CN111185758B - A kind of automatic assembly equipment for seat belt retractor - Google Patents

Abstract

The invention relates to an automatic assembling equipment for a seat belt retractor, which comprises a worktable, a rotary disk device 1 and a rotary disk device two arranged left and right are installed on the upper part of the worktable, and the upper part of the rotary disk device 1 is provided with four placing stations at equal intervals in a ring shape. , the upper part of the worktable is sequentially installed with the feeding manipulator, the ratchet assembly mechanism, the pressing mechanism and the transfer manipulator along the counterclockwise rotation direction of the first rotary disk device, and the feeding conveying component is installed on the rear side of the feeding manipulator; the upper part of the second rotary disk device, etc. There are eight assembly stations in the space ring, and the upper part of the worktable is sequentially installed with the upper shell feeding mechanism, the mandrel main wheel feeding mechanism, the synchronous feeding mechanism, the gear assembly mechanism I, the gear The second assembly mechanism, the third gear assembly mechanism, and the end cover transfer and pressing mechanism; the present invention has a compact structure, shortens the work flow, improves assembly efficiency through full automation, reduces manual participation, and improves assembly accuracy and efficiency.

Description

A kind of automatic assembly equipment for seat belt retractor

technical field

The invention relates to the technical field of retractor assembling equipment, in particular to an automatic assembling device for a seat belt retractor.

Background technique

At this stage, with the rapid development of society, people's living standards have been greatly improved, and more and more attention has been paid to the quality of life. Among them, cars are the most important means of transportation in life. The sales of cars have increased, and the demand for their main accessories has also increased. ; For example, the retractor of the car seat belt, the function of the retractor is to store the webbing and lock the webbing to pull out. It is the most complicated mechanical part in the seat belt. There is a ratchet mechanism inside the retractor. Under normal circumstances, the occupant can freely pull the webbing on the seat at a constant speed, but when the continuous pulling process of the webbing from the retractor stops or when the vehicle encounters an emergency, the ratchet mechanism will act. The locking action automatically locks the webbing and prevents the webbing from being pulled out; the retractor mainly includes the accessories retractor body, ratchet structure, upper shell, spindle main wheel, slave gear, transmission gear, main gear, ring gear, transition wheel and end caps; at present, the various parts of the finished seat belt retractor are mainly assembled and spliced by hand. However, due to the small size of each part of the retractor and the high reliability of the connection between the parts, the manual assembly of the coil It also takes a lot of time to pick up the parts, align the parts, and install the parts with the help of tools (tweezers, needle-nose pliers, etc.) when collecting the receiver. The manual assembly efficiency is low, the cost is high, and the quality is low.

SUMMARY OF THE INVENTION

The present invention provides an automatic assembly equipment for a seat belt retractor, which solves the above problems.

For solving the above problems, the technical solutions provided by the present invention are as follows:

An automatic assembling equipment for a seat belt retractor, comprising a workbench, a rotary disc device 1 and a rotary disc device 2 arranged on the left and right are installed on the upper part of the workbench, and the upper part of the rotary disc device 1 is provided with four placing stations at equal intervals in a ring shape, The upper part of the worktable is installed with the feeding manipulator, the ratchet assembly mechanism, the pressing mechanism and the transfer manipulator in turn along the counterclockwise rotation direction of the first rotary disc device, and the feeding conveying component is installed on the rear side of the feeding manipulator; the upper part of the second rotary disc device is equally spaced There are eight assembly stations in the ring, and a fixture base plate is installed on the upper part of each assembly station. The upper part of each fixture base plate is preset with a left discharge position, a middle discharge position and a right discharge position. The upper part of the worktable rotates along the In the anti-clockwise rotation direction of the disc device 2, the upper shell feeding mechanism, the mandrel main wheel feeding mechanism, the synchronous feeding mechanism, the gear assembly mechanism 1, the gear assembly mechanism 2, the gear assembly mechanism 3 and the end cover transfer pressure are installed in sequence. The right end of the transfer manipulator is located above the first assembly station, and the upper part of the worktable is located on the back side of the end cover transfer and pressing mechanism. There is also a finished product unloading manipulator and a finished product conveying component.

Preferably, the ratchet assembly mechanism includes a rotary assembly table 1, a reclaiming manipulator, a positioning and pressing component, a stop and holding component, a position detection component, a ratchet feeding manipulator and a rotating clamping assembly, and the reclaiming manipulator is installed in the rotating assembly. The right side of table 1 is used to move the products on the placement station to the upper part of rotary assembly table 1. The positioning and pressing component is installed on the side of rotary assembly table 1 to position and press the products on rotary assembly table 1. The stop and hold component is installed on the right side of the rotary assembly table 1, the position detection component is installed on the rear side of the rotary assembly table 1, the ratchet feeding manipulator is installed on the left side of the rotary assembly table 1, and the fixed end of the rotary clamping component is installed On the back side of the rotary assembly table 1, the working end of the rotary clamping component is located above the rotary assembly table 1; one side of the ratchet feeding manipulator is also provided with a ratchet feeding plate; The mobile unit and the clamping finger cylinder, the fixed end of the XY mobile unit and the fixed end are installed on the upper part of the stop base plate, the working end of the XY mobile unit is connected with the fixed end of the clamping finger cylinder, and the working end of the clamping finger cylinder is clamped by the clamping jaw Hold the middle of the product.

Preferably, the pressing mechanism includes a pressing bracket, a pressing top plate, a pressing power unit, a pressing upper plate, a pressing middle plate, a pressing buffer, a pressing lower plate and a pressing head, and a pressing power unit The fixed end is installed on the upper part of the press-fit bracket through the press-fit top plate, the working end of the press-fit power unit is downwardly connected to the upper part of the press-fit upper plate, and multiple press-fit plates are installed between the press-fit upper plate and the press-fit middle plate. For the balance guide rod, a pressing buffer is installed between the pressing middle plate and the pressing lower plate, and a plurality of pressing heads are installed on the lower part of the pressing lower plate; the lower end of the pressing head is trumpet-shaped.

Preferably, the mandrel main wheel feeding mechanism includes a mandrel main wheel feeding tray, a direct vibration component, a dislocation distribution chute, a distribution power unit, a distribution plate and a mandrel main wheel feeding manipulator, so The first end of the direct vibration component is supported on the discharge end of the feeding tray of the mandrel main wheel, the dislocation material distribution slideway is supported on the tail end of the direct vibration component one, and the fixed end of the material distribution power unit is installed on the dislocation material distribution slide. At the front end of the channel, the material distribution plate is installed on the rear side of the dislocation distribution chute, and the mandrel main wheel feeding manipulator is installed between the material distribution plate and the second rotating disk device, so as to pick up and move the products on the material distribution plate. In the upper shell of the middle discharge material level; the structure of the upper shell feeding mechanism is the same as that of the mandrel main wheel feeding mechanism.

Preferably, the synchronous feeding mechanism includes a first vibration plate for providing the ring gear, a second vibration plate for providing the end cover of the accessories, a first direct vibration component, a second direct vibration component, a temporary placing table, and a temporary placing table 2 And the dual product feeding manipulator, the first end of the direct vibration component and the second direct vibration component are correspondingly connected to the discharge ends of the first and second vibration plates, and the first end of the temporary placement table It is connected to the rear end of the direct vibration component 1, and the second guide trough set on the upper part of the head end of the temporary placing table 2 is connected to the rear end of the direct vibration component 2, and the rear ends of the temporary placing platform 1 and the temporary placing platform 2 are set with limit positions. The double product feeding manipulator is installed between the temporary placement table 1 and the assembly station of the rotary disk device 2.

Preferably, the gear assembly mechanism 1 includes a feeder feed plate from the gear, a direct vibration component from the gear, a material distribution positioning component 1, a temporary placement table 3, a temporary placement manipulator, a transmission gear feed plate, a transmission gear direct vibration component, a separation The second material positioning component, the first combination table and the combined feeding manipulator, the head ends of the direct vibration component of the secondary gear and the direct vibration component of the transmission gear are respectively connected to the discharge ends of the feeding plate of the secondary gear and the feeding plate of the transmission gear, respectively. The material distribution positioning component 1 and the material distribution positioning component 2 are respectively connected to the rear end of the direct vibration component of the slave gear and the direct vibration component of the transmission gear. One side of the material distribution and positioning assembly 1 is used to move the accessories of the material distribution and positioning assembly 1 from the gear to the temporary placing table 3; the combination table 1 is installed on the left end of the material distribution and positioning assembly 2 and is located behind the temporary placing table 3. The combination feeding manipulator is installed on one side of the combination table 1 to move the products on the combination table 1 to the middle discharge position.

Preferably, the second rotating disk device includes a second rotating stepping motor, a second cam divider, a reinforcing fixed rod, a fixed plate, a second reinforcing rotating shaft and a second rotating disk, and the fixed end of the second rotating stepping motor is separated from the cam The input shaft of the cam divider is fixedly connected, the upper middle position of the cam divider is fixedly connected with the lower part of the fixed plate through the reinforcing fixing rod, and the output shaft of the cam divider is upward through the reinforcing rotating shaft two sleeved on the outside of the reinforcing fixed plate and rotates The lower center position of the second disk is fixedly connected, and the fixed disk is located above the second rotating disk, and the diameter of the second rotating disk is larger than that of the fixed disk.

Preferably, the gear assembly mechanism 2 includes a vibration plate 3 for providing the accessory main gear, a direct vibration component 3, a material distribution positioning component 3 and a main gear feeding manipulator, and the head end of the direct vibration component 3 is supported by the vibration The discharge end of the plate 3, the material distribution positioning assembly 3 is carried on the tail end of the direct vibration assembly 3, and the main gear feeding manipulator is installed on one side of the material distribution positioning assembly 3. Move to the upper part of the mandrel main wheel placed on the upper shell;

The second gear assembly mechanism further includes an auxiliary pressing component, which is installed on the upper part of the fixed plate and corresponds to the position of the assembling station.

Preferably, the third gear assembly mechanism includes a transition wheel vibrating plate for providing a transition wheel for accessories, a transition wheel direct vibration component, a material distribution positioning component four, a ring gear assembly manipulator, an auxiliary pressing wheel assembly and a transition wheel feeding manipulator, The head end of the transition wheel direct vibration assembly is supported on the head end of the transition wheel vibration plate, the material distribution positioning assembly 4 is supported at the tail end of the transition wheel direct vibration assembly, and the auxiliary pressure wheel assembly is installed on the left front side of the material distribution positioning assembly 4. , the ring gear assembly manipulator is installed on the fixed plate, and is used to move the ring gear placed in the left material position into the upper shell of the middle discharge position. side, so as to move the fittings on the distributing positioning assembly 4 into the upper casing and engage with the inside of the ring gear.

Preferably, the end cap transfer and pressing mechanism includes a pressing bracket, an internal detection component, an XZ moving component and a suction head component, and the internal detection component is installed on the top of the pressing bracket and is used for centering and placing the material level. The appearance inspection is carried out inside the product. The fixed end of the XZ mobile component is installed in the middle of the press-fitting bracket, and the suction head component is installed on the movable end of the XZ mobile component to suck and move the end cap located on the right discharge position. The upper part of the product at the middle discharge level is assembled into a finished product.

Compared with the prior art, the beneficial effect is that, by adopting the above scheme, the present invention adopts two rotating disk devices, each mechanism is arranged around the rotating disk, the structure is compact, the work flow is shortened, the full automation improves the assembly efficiency, reduces the manual participation, and reduces the The labor cost improves the assembly accuracy; each mechanism works in coordination with the two rotating disk devices, and the two rotating disk devices rotate independently and cooperate with each other, saving assembly time, improving assembly efficiency, and meeting the huge market demand. Market application value.

Description of drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art, the following briefly introduces the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for invention. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the overall structure schematic diagram of the present invention;

2 is a schematic structural diagram of a ratchet assembly mechanism of the present invention;

FIG. 3 is a schematic structural diagram of the positioning and pressing material assembly of the present invention;

FIG. 4 is a schematic structural diagram of the pressing mechanism of the present invention;

5 is a schematic structural diagram of the mandrel main wheel feeding mechanism of the present invention;

6 is a schematic structural diagram of a gear assembly mechanism of the present invention;

Fig. 7 is a structural schematic diagram of a material distribution and positioning assembly of the present invention;

8 is a schematic diagram of the second structure of the rotary disk device of the present invention;

9 is a schematic structural diagram of the second gear assembly mechanism of the present invention;

10 is a schematic structural diagram of an auxiliary pressing material assembly of the present invention;

11 is a schematic diagram of the third structure of the gear assembly mechanism of the present invention;

12 is a schematic structural diagram of an auxiliary pinch roller assembly of the present invention;

FIG. 13 is a schematic structural diagram of the end cover transfer and pressing mechanism of the present invention;

14 is a schematic diagram of the explosion structure of the seat belt retractor of the present invention;

As shown in the above illustration: 1. Work table 2, ratchet assembly mechanism 21, rotary assembly table 1 22, reclaiming manipulator 23, positioning and pressing material assembly 231, left positioning part 232, positioning horizontal cylinder 233, positioning base 234, positioning slider 235, positioning pressure plate 236, right positioning part 24, stop and hold assembly 25, position detection assembly 26, rotary clamping assembly 3, pressing mechanism 31, pressing bracket 32, pressing top plate 33, pressing power unit 34, Press-fit upper plate 35, press-fit balance guide rod 36, press-fit middle plate 37, press-fit buffer 38, press-fit lower plate 39, press-fit head 4, mandrel main wheel feeding mechanism 41, mandrel main wheel feeder Material tray 42, direct vibration component 1 43, dislocation distribution chute 44, material distribution plate 45, mandrel main wheel feeding manipulator 5, gear assembly mechanism 1 51, slave gear feeding tray 52, slave gear direct vibration assembly 53 , Distributing positioning assembly 1 531, Distributing positioning bracket 532, Positioning top plate 533, Positioning finger cylinder 534, Positioning horizontal slide 54, Temporary placing table 3 55, Temporary placing manipulator 56, transmission gear direct vibration assembly 57, Combination table 1 58. Combined feeding manipulator 6, gear assembly mechanism two 61, vibration plate three 62, direct vibration component three 63, material distribution positioning assembly three 64, main gear feeding manipulator 65, auxiliary pressing component 651, pressing base 652, Pressing guide rod 653, pressing top plate 654, pressing lifting cylinder 655, pressing plate 656, arc pressing head 7, gear assembly mechanism 3 71, transition wheel vibration plate 72, transition wheel direct vibration assembly 73, material distribution Positioning component four 74, ring gear assembly manipulator 75, auxiliary pressure roller assembly 751, pressure roller bracket 752, pressure roller top plate 753, pressure roller horizontal cylinder 754, pressure roller block 755, pressure roller head 756, pressure roller guide rod 76, transition Wheel feeding manipulator 8, end cover transfer and pressing mechanism 81, pressing bracket 82, internal detection component 83, XZ moving component 84, suction head component 9, rotary disc device 2 91, rotary stepping motor 2 92, cam segmentation Device two 93, fixed plate 94, rotating plate two 95, fixture base plate 96, left discharge position 97, middle discharge position 98, right discharge position 10, feeding conveying assembly 11, feeding manipulator 12, transfer manipulator 13 , Rotary disc device 14, Finished product retractor 1 40. Parts retractor body 141, Parts ratchet structure 142, Parts upper shell 143, Parts mandrel main wheel 144, Parts slave gear 145, Parts transmission gear 146, Parts main gear 147, Parts ring gear 148, Parts transition wheel 149 , Accessory cover.

Detailed ways

In order to facilitate understanding of the present invention, the present invention will be described in more detail below with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described in this specification. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "fixed", "integrated", "left", "right" and similar expressions used in this specification are only for the purpose of illustration, and in the drawings, elements with similar structures are marked with the same reference numerals.

Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the technical field of the present invention. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments, and are not used to limit the present invention.

As shown in Figure 1, the overall structure of the present invention is:

An automatic assembly equipment for a seat belt retractor, comprising a workbench 1, the upper part of the workbench 1 is equipped with a rotating disk device one 13 and a rotating disk device two 9 arranged left and right, and the upper part of the rotating disk device one 13 is provided with four circularly equidistantly spaced rings. A placing station, the upper part of the worktable 1 is sequentially installed along the counterclockwise rotation direction of the rotary disc device 1 13 for the feeding manipulator 11, the ratchet assembly mechanism 2, the pressing mechanism 3 and the transfer manipulator 12 for transferring the retractor body. , the rear side of the feeding manipulator 11 is equipped with a feeding conveying assembly 10 for conveying the body of the retractor; the upper part of the rotary disc device 29 is provided with eight assembling stations at equal intervals in a ring shape, and a fixture is installed on the upper part of each assembly station The base plate 95, the upper part of each fixture base plate 95 is preset with a left discharge position 96, a middle discharge position 97 and a right discharge position 98, and the upper part of the worktable 1 is sequentially installed along the counterclockwise rotation direction of the rotary disk device 2 9. The upper shell feeding mechanism for transferring the upper shell of the accessories, the mandrel main wheel feeding mechanism 4 for transferring the mandrel main wheel, the synchronous feeding mechanism for transferring the accessories ring gear and the accessories end cover, for A gear assembly mechanism for combining the accessory slave gear and transmission gear with the upper casing 5. Gear assembly mechanism two for combining the accessory main gear with the mandrel main wheel 6. The accessory ring gear and the accessory transition wheel are combined with The gear assembly mechanism 3 7 and the end cover transfer pressing mechanism 8 are combined by the upper shell. The right end of the transfer manipulator 12 is located above the first assembly station, and the upper part of the worktable 1 is located on the back side of the end cover transfer and pressing mechanism 8. Equipped with finished product blanking manipulator and finished product conveying components.

Further, a man-machine interactive display screen is also installed on the upper right side of the workbench 1, and a PLC control device is also installed on one side of the workbench 1, and the man-machine interactive display screen (control panel) is electrically connected with the PLC control device, and rotates. Disc device one 13, rotary disc device two 9, feeding manipulator 11, ratchet assembly mechanism 2, pressing mechanism 3, transfer manipulator 12, feeding conveying assembly 10, upper shell feeding mechanism, mandrel main wheel feeding mechanism 4 , Synchronous feeding mechanism, gear assembly mechanism one 5, gear assembly mechanism two 6, gear assembly mechanism three 7, end cover transfer and pressing mechanism 8, finished product unloading manipulator and finished product conveying components are all electrically connected with PLC control equipment. That is, the human-computer interaction display screen controls various mechanisms, devices and components to realize automatic operation according to the set program through the PLC control equipment; among them, the PLC control equipment and the human-computer interaction display screen are both existing technologies. The automatic operation of the equipment can be realized, which is the prior art and will not be described in detail again.

Further, the feeding manipulator 11 is used to pick up the accessory retractor body on the feeding conveying assembly 10 and move and place it to the first placement station on the rotary disc device one 13; the feeding conveying assembly 10 can be selected from the prior art The belt conveying assembly in the middle; the rotary disc device 1 13 includes a rotary stepping motor 1, a divider and a rotating disc 1, the working end of the rotary stepping motor 1 is fixedly connected with the input shaft of the divider, and the output shaft of the divider faces upward and is connected to the input shaft of the divider. The central position of the lower part of the rotating plate 1 is fixedly connected, that is, the rotary stepping motor drives the splitter to rotate, and then drives the rotating plate 1 to realize intermittent rotation; there are four placement stations on the upper part of the rotating plate 1, and the upper part of each placing station is Install a jig, the upper part of the jig is used to place the retractor body; and the position corresponding to the feeding robot 11 on the upper part of the rotating plate is the first placing position, and the working position corresponding to the ratchet assembly mechanism 2 is the second. Placement station, the station corresponding to the pressing mechanism 3 is the third placing station, and the station corresponding to the transfer manipulator 12 is the fourth placing station; the transfer manipulator 12 is used to place the fourth placing station The product pick-up movement is placed on the first assembly station of the turntable two 94 .

As shown in FIG. 2 , the ratchet assembly mechanism 2 includes a rotary assembly table 1 21, a reclaiming manipulator 22, a positioning and pressing assembly 23, a stop and holding assembly 24, a position detection assembly 25, a ratchet feeding manipulator and a rotating clamping position Component 26, the reclaiming manipulator 22 is installed on the right side of the rotary assembly table one 21, and is used to move the product on the placement station to the upper part of the rotary assembly table one 21, and the positioning and pressing component 23 is installed on the rotary assembly table one 21. On the side, to position and press the product on the rotary assembly table one 21, the stop and hold assembly 24 is installed on the right side of the rotary assembly table one 21, the position detection assembly 25 is installed on the rear side of the rotary assembly table one 21, on the ratchet wheel The material manipulator is installed on the left side of the rotary assembly table 1 21, the fixed end of the rotary lock assembly 26 is installed on the rear side of the rotary assembly table 1 21, and the working end of the rotary lock assembly 26 is located above the rotary assembly table 1 21; There is also a ratchet feeding plate on one side of the feeding manipulator;

The stop and hold assembly 24 includes a stop base plate, an XY moving unit and a clamping finger cylinder. The fixed end of the XY moving unit and the clamping base is installed on the upper part of the stop base plate, and the working end of the XY moving unit is connected with the fixed end of the clamping finger cylinder. , the working end of the clamping finger cylinder clamps the middle of the product through the clamping jaw.

Further, the ratchet assembly mechanism 2 is used to rotate and assemble the ratchet structure onto the accessory retractor body; the rotary assembly table 1 21 includes an assembly table 1 and a servo motor, and the fixed end of the servo motor is fixed on the workbench 1 through the motor mounting seat. The lower part of the assembling table is fixedly connected with the lower center position of the assembly table 1 with the working end of the servo motor facing upward, and the upper part of the assembling table 1 is provided with a feeding slot to facilitate the placement of the retractor body; the position detection component 25 is used to detect the assembly table 1. Check whether the orientation of the retractor body on the top meets the requirements. If it does not meet the requirements, send a signal to the PLC control device, and the PLC control device will then give the servo motor a working signal, and then drive the assembly table to rotate, so that the orientation of the retractor body meets the relevant requirements. , the servo motor works to drive the assembly table to rotate, so that the position window sill of the accessory retractor body on the assembly table 1 meets the requirements; the position detection component 25 includes a camera bracket, a lifting seat and a CCD camera, that is, the CCD camera is installed on the camera through the lifting seat. On the upper part of the bracket, a CCD camera detects the position state of the retractor body on the rotating assembly table 1 21 and sends a signal to the PLC control device.

As shown in FIG. 3 , the positioning and pressing component 23 is used to perform the positioning and pressing operation on the retractor body on the rotary assembly table 1 21 ; wherein, the positioning and pressing component 23 includes a left positioning portion 231 and a right positioning portion 236 , and The left positioning part 231 includes a positioning horizontal cylinder 232, a positioning base 233, a positioning sliding block 234 and a positioning pressure plate 235, and the fixed end of the positioning horizontal cylinder 232 and the positioning base 233 are arranged and fixed on the upper part of the workbench 1. The lower part of the positioning slider 234 is fixed on the upper part of the positioning base 233 by bolts. The interior of the positioning slider 234 is provided with a horizontal through groove. After the horizontal through groove is fixedly connected with one end of the positioning platen 235, when the product is positioned and pressed, the positioning horizontal cylinder 232 works to drive the positioning slide plate to move horizontally, so that the positioning platen 235 is pressed against the bottom of the product, so as to realize the left positioning The working operation of the part 231 and the right positioning part 236 realizes the positioning and pressing of the product;

The rotary latch assembly 26 is used to rotate and clamp the ratchet structure on the upper part of the retractor body; wherein, the rotary latch assembly 26 includes a latch bracket, a latch lift cylinder, a latch stepper motor and a sleeve. The fixed end of the lifting cylinder is installed on the upper part of the card position bracket, the working end of the card position lifting cylinder is connected with the fixed end of the card position stepper motor, and the working end of the card position stepping motor is fixedly connected with the upper part of the sleeve. The lower end of the cylinder is provided with a card slot that matches the outside of the ratchet structure; during the assembly of the rotating card position, the card position lifting cylinder works to drive the card position stepper motor to descend, and then the card position stepper motor works to drive the sleeve to rotate, and the ratchet wheel is driven to rotate. The structure is rotated and snapped to the corresponding position of the upper part of the retractor body.

As shown in FIG. 4 , the pressing mechanism 3 includes a pressing bracket 31 , a pressing top plate 32 , a pressing power unit 33 , a pressing upper plate 34 , a pressing middle plate 36 , a pressing buffer 37 , and a pressing lower plate 34 . The plate 38 and the pressing head 39, the fixed end of the pressing power unit 33 is installed on the upper part of the pressing bracket 31 through the pressing top plate 32, and the working end of the pressing power unit 33 is fixedly connected to the upper part of the pressing upper plate 34. , a plurality of press-fit balance guide rods 35 are installed between the press-fit upper plate 34 and the press-fit middle plate 36, a press-fit buffer member 37 is installed between the press-fit middle plate 36 and the press-fit lower plate 38, and the press-fit lower plate 38 A plurality of pressing heads 39 are installed at the lower part; the lower ends of the pressing heads 39 are trumpet-shaped.

Further, the pressing mechanism 3 is used to further press the ratchet structure to the upper part of the retractor body, and the pressing buffer 37 includes four buffer units, each buffer unit includes a telescopic rod and a telescopic rod sleeved outside the telescopic rod. For the compression spring, the upper end and the lower end of the four buffer units are correspondingly and fixedly connected with the lower part of the pressing middle plate 36 and the upper part of the pressing lower plate 38 .

Further, the position corresponding to the upper part of the rotating plate 2 94 and the upper shell feeding mechanism is the second assembly station; the upper shell feeding mechanism is used to pick up and move the upper shell of the accessories and place the rolls in the middle discharge position 97 of the second assembly station. The upper part of the receiver body.

As shown in FIG. 5 , the mandrel main wheel feeding mechanism 4 corresponds to the third assembly station, and the mandrel main wheel feeding mechanism 4 includes the mandrel main wheel feeding tray 41 , the direct vibration component one 42 , and the dislocation material distribution. The slideway 43, the material distribution power unit, the material distribution plate 44 and the mandrel main wheel feeding manipulator 45, the head end of the direct vibration component one 42 is supported on the discharge end of the mandrel main wheel feeding plate 41, and the dislocation is divided into two parts. The material chute 43 is connected to the rear end of the direct vibration component one 42, the fixed end of the material distribution power unit is installed at the front end of the dislocation material distribution chute 43, the material distribution plate 44 is installed on the rear side of the dislocation material distribution chute 43, and the core The shaft main wheel feeding manipulator 45 is installed between the dividing plate 44 and the rotary disc device 2 9, so as to pick up and move the products on the dividing plate 44 and place them in the upper shell of the middle discharge position 97; the upper shell feeding mechanism Consistent with the structure of the mandrel main wheel feeding mechanism 4 .

Further, the middle part of the upper shell of the accessories is provided with a jack, and the inner part of the upper shell of the accessories is integrally provided with a right rotating shaft and a rear rotating shaft; The main wheel feeding mechanism 4 is used to pick up and move the accessory mandrel main wheel on the distribution plate 44 to the middle jack position of the upper shell of the third assembly station, that is, the intermediate shaft in the mandrel main wheel is inserted into the upper shell. In the jack position of the shell; further, the dislocation material distribution chute 43 is a T-shaped chute, one end of the dislocation material distribution chute 43 is connected to the discharge end of the direct vibration component one 42, and the other two dislocation material distribution chute 43 The connection square between the ends is consistent with the moving direction of the material distribution power unit. The material distribution plate 44 is installed on the rear side of the dislocation material distribution chute 43 , and the fixed end of the material distribution power unit is installed in front of the dislocation material distribution chute 43 . On the other hand, the working end of the distribution power unit pushes the main wheel of the fitting mandrel in the dislocation distribution chute 43 backward to the distribution plate 44, which is disc-shaped and is in the center of the distribution plate 44. There is a slot hole for placing the mandrel main wheel; there is also a limit power unit on the right side of the dislocation distribution chute 43 to prevent the mandrel main wheel from moving over travel, that is, the limit power unit includes the limit level Cylinder and limit block, the fixed end of the limit horizontal cylinder is installed on the right side of the dislocation material distribution slideway 43, the working end of the limit horizontal cylinder faces the left side and is fixedly connected with the right end of the limit block. The left end of the stopper is provided with an arc-shaped opening, which can effectively prevent the mandrel main wheel from being blocked; hole location.

Preferably, the synchronous feeding mechanism corresponds to the fourth assembly station, and the synchronous feeding mechanism is used to move the accessory ring gear and the end cover to the left feeding position 96 and the right feeding position 98, respectively, and the synchronous feeding mechanism includes: In terms of vibration plate 1 for ring gears, vibration plate 2 for providing end caps for accessories, direct vibration component 1 42, direct vibration component 2, temporary table 1, temporary table 2 and dual product feeding manipulators, the straight The first end of the vibration component 1 42 and the direct vibration component 2 are correspondingly connected to the discharge ends of the first and second vibration plates. The upper part of the first end of the temporary placing table 2 is installed on the upper part of the guide trough 2, which is connected to the rear end of the direct vibration component 2. The end of the temporary placing table 1 and the temporary placing table 2 are provided with limit plates, and the double product feeding manipulator is installed. Between the temporary placement table 1 and the assembly station of the rotary disk device 2 9; the difference between the double product feeding manipulator and the conventional manipulator is that there are two clamping parts at the lower part of the working end, so as to clamp the accessory ring gear at the same time. and accessory end caps.

As shown in FIG. 6 , the gear assembly mechanism 1 5 corresponds to the fifth assembly station. The gear assembly mechanism 1 5 includes a feeder plate 51 from the gear, a direct vibration component 52 from the gear, a material distribution positioning component 53, and a temporary table. 354. Temporary placement manipulator 55, transmission gear feeding plate, transmission gear direct vibration assembly 56, material distribution positioning assembly two, combination table 1 57 and combined feeding manipulator 58, the direct vibration assembly 52 from the transmission gear and the transmission gear The head end of the vibration component 56 is respectively connected to the discharge end of the feeder from the gear feeding plate 51 and the transmission gear. At the rear end of the direct vibration component 56 of the transmission gear, the temporary placing table 3 54 is installed on the rear side of the material-distributing positioning component 1 53, and the temporary placing manipulator 55 is installed on the side of the material-distributing and positioning component 1 53, which is used to place the material-distributing positioning component. The accessories of the first 53 are moved from the gears and placed on the temporary table 3 54; the combination table 1 57 is installed on the left end of the material distribution positioning component 2 and is located on the rear side of the temporary table 3 54, and the combination feeding manipulator 58 is installed on the combination table 1. One side of 57 is used to move the product on the combination table 57 to the middle discharge position 97; the difference between the combined feeding manipulator 58 and the conventional manipulator is that its working end is provided with two clamping parts, one is the left one. The clipping part and the right clipping part, the left clipping part is used to move the products on the fifth assembly station to the combination table 1 57, and the right clipping part is used to place the accessories transmission gear on the second material distribution positioning component. to the upper part of the product on the combination table one 57.

As shown in Figure 7, the material distribution positioning assembly 53 includes a material distribution positioning bracket 531, a positioning top plate 532, a positioning finger cylinder 533 and a positioning horizontal slideway 534. The positioning top plate 532 is fixed on the upper part of the material distribution positioning bracket 531, and the positioning finger cylinder The fixed end of 533 is installed on the lower part of the positioning top plate 532, the right end of the positioning horizontal slideway 534 is supported on the tail end of the direct vibration assembly 52 from the gear, and the upper part of the positioning horizontal slideway 534 is provided with two storage positions for positioning the finger cylinder. The working end of 533 is facing upward to hold the material storage position on the right side. When the output accessories from the gear feeding plate 51 move from the gear through the gear straight vibration assembly 52 to the material storage position on the left side of the positioning horizontal slideway 534 , the positioning finger cylinder 533 works to hold the accessory slave gear located on the right storage position through the gripper jaw, and the temporary placement manipulator 55 can pick up the accessory slave gear located on the left storage position, and move it and place it on the The upper part of the temporary placing table 3 54 ; the structure of the second material distribution positioning assembly, the third material distribution positioning assembly 63 and the fourth material positioning assembly 73 is the same as that of the material distribution positioning assembly 1 53 .

As shown in FIG. 8 , the second rotating disk device 9 includes a second rotating stepping motor 91 , a second cam divider 92 , a reinforcing fixed rod, a fixed disk 93 , a second reinforcing rotating shaft and a second rotating disk 94 . The fixed end of the second motor is fixedly connected with the input shaft of the second cam divider. The upper middle position of the cam divider is fixedly connected with the lower part of the fixed plate through the reinforcement fixing rod. The second outer reinforcing rotating shaft is fixedly connected to the lower center of the second rotating disk, and the fixed disk 93 is located above the second rotating disk.

As shown in FIG. 9 , the second gear assembly mechanism 6 corresponds to the sixth assembly station. The gear assembly mechanism two 6 includes a vibration plate 61 for providing the main gear of the accessories, a direct vibration component 62 , and a material distribution positioning component 363 And the main gear feeding manipulator 64, the first end of the direct vibration component 3 is connected to the discharge end of the vibration plate 3, the material distribution positioning component 3 is connected to the tail end of the direct vibration component 3, and the main gear feeding manipulator is installed on the dividing end. One side of the material positioning assembly 3 is used to move the accessory main gear on the material distribution positioning assembly 3 to the upper part of the mandrel main wheel of the upper shell.

As shown in FIG. 10 , the second gear assembly mechanism 6 also includes an auxiliary pressing component 65 . The auxiliary pressing component 65 is installed on the upper part of the fixed plate and corresponds to the position of the assembling station; the auxiliary pressing component 65 is used for pressing the middle and placing For the product on the material level, avoid other accessories from lifting when assembling the main gear. The auxiliary material pressing component 65 includes the material pressing base 651, the pressing material guide rod 652, the pressing material top plate 653, the pressing material lifting cylinder 654 and the material pressing plate 655. Two parallel pressing guide rods 652 are installed between the lower part of the pressing top plate 653 and the upper part of the pressing base 651, the fixed end of the pressing lifting cylinder 654 is installed on the upper part of the pressing top plate 653, and the The work can be fixedly connected to the middle of the left end of the pressing plate 655 end down, the left side of the pressing plate 655 is also sleeved on the outside of the pressing guide rod 652 through a linear bearing, and the lower part of the right end of the pressing plate 655 is also fixed with an arc. Pressing head 656; During the pressing operation, the pressing lifting cylinder 654 works to drive the pressing plate 655 to descend along the pressing guide rod 652, and then the pressing head on the right side of the pressing plate 655 presses the other materials in the upper shell. The accessories are pressed to prevent other accessories from lifting.

As shown in FIG. 11 , the gear assembly mechanism 3 7 corresponds to the seventh assembly station, and the gear assembly mechanism 3 7 includes a transition wheel vibration plate 71 for providing a transition wheel for accessories, a transition wheel direct vibration component 72 , and a material distribution positioning component 473. The ring gear assembly manipulator 74, the auxiliary pressing wheel assembly 75 and the transition wheel feeding manipulator 76, the head end of the transition wheel direct vibration assembly is connected to the head end of the transition wheel vibration plate, and the material distribution positioning assembly four is connected to the transition wheel The rear end of the wheel direct vibration assembly 72, the auxiliary pressing wheel assembly is installed on the left front side of the material distribution positioning assembly 4, and the ring gear assembly manipulator 74 is installed on the fixed plate for moving and placing the ring gear placed in the left discharge position. In the upper shell of the middle discharge level, the transition wheel feeding manipulator 76 is installed on one side of the distributing positioning assembly 473, so as to move the accessories on the distributing positioning assembly four 73 into the upper shell and connect with the ring. The gears mesh inside.

As shown in FIG. 12 , after the ring gear assembling manipulator 74 places the ring gear into the upper casing, the auxiliary pressing wheel assembly 75 is used to press the ring gear into the upper casing, so that the transition wheel feeding manipulator 76 can transfer the fittings to the upper casing. Placed on the rear rotating shaft of the upper shell; wherein, the auxiliary pinch roller assembly 75 includes a pinch wheel bracket 751, a pinch wheel top plate 752, a pinch wheel horizontal cylinder 753, a pinch wheel block 754 and a pinch wheel head 755, and the pinch wheel top plate 752 is installed On the upper part of the pressure roller bracket 751, the fixed end of the pressure roller horizontal cylinder 753 is obliquely installed on the upper left side of the pressure roller top plate 752 through the cylinder mounting bracket, and the working end of the pressure roller horizontal cylinder 753 is fixedly connected to one end of the pressure roller block 754. The front side of the pressure roller block 754 is sleeved on the left end of the pressure roller guide rod 756 , the right end of the pressure roller guide rod 756 is installed on the cylinder mounting frame through a linear bearing, and the pressure roller head 755 is inserted and fixed on the left side of the pressure roller block 754 ; During the pressure roller operation, the pressure roller horizontal cylinder 753 works to drive the pressure roller block 754 to move to the left. At this time, due to the action of the pressure roller guide rod 756, the pressure roller block 754 and the pressure roller head 755 can be moved to the left smoothly. The gears are pressed into the upper case.

As shown in FIG. 13 , the end cap transferring and pressing mechanism 8 corresponds to the eighth assembly station. The end cap transferring and pressing mechanism 8 includes a pressing bracket 81 , an internal detection component 82 , an XZ moving component 83 and a suction head component 84. The internal detection component 82 is installed on the top of the press-fit bracket 81, which is used to perform visual inspection on the inside of the product at the middle discharge level. The fixed end of the XZ moving component 83 is installed in the middle of the press-fit bracket, and the suction head component is installed. On the movable end of the XZ moving assembly, the end cap located on the right discharge position is sucked and moved and pressed onto the upper part of the product at the middle discharge position to assemble into a finished product.

Further, the end cover transfer and pressing mechanism 8 is used to move and press the end cover of the accessories into the upper shell to assemble into a finished retractor; the internal detection component 82 is used to take pictures of the assembly of the accessories in the upper shell , and transmitted to the PLC control equipment to judge whether there is any abnormality, the internal inspection component is the CCD camera component; the XZ moving component 83 is used to drive the suction head assembly 84 to move along the X axis and the Z axis; the suction head assembly 84 includes a suction cup and a suction cup. The nozzle and the suction cup are fixed at the lower part of the XZ mobile assembly. The suction pipe runs through the suction cup and is connected with the suction nozzle pipe. The suction pipe is connected with the air pump pipe inside the workbench through the air intake pipe, so that the suction head assembly realizes the adsorption of the end cover.

As shown in FIG. 14 , the finished retractor 14 includes an accessory retractor body 140 , an accessory ratchet structure 141 , an accessory upper shell 142 , an accessory mandrel main wheel 143 , an accessory slave gear 144 , an accessory transmission gear 145 , and an accessory master gear 146 , the accessory ring gear 147, the accessory transition wheel 148 and the accessory end cover 149, and are assembled in sequence according to the set process.

Assembly process:

A. The feeding step of the retractor body: the feeding conveying component transports the retractor body forward, and is picked up by the feeding manipulator and moved and placed on the first station on the rotating plate 1; at this time, the rotating plate device A work rotates the retractor body on the first placement station counterclockwise to the second placement station position of the ratchet assembly mechanism;

B. Ratchet structure assembly steps: The reclaimer body first picks up and moves the retractor body on the second placement station and places it on the upper part of the rotary assembly table 1. The position detection component detects the position state of the retractor body, and the positioning pressure The feeding component positions and compresses the lower part of the accessory retractor body, and the stop and holding component clamps and fixes the middle part of the retractor body. The upper part of the retractor body is rotated and clamped by the rotating clamping component, and then the ratchet structure is rotated and clamped to the corresponding position on the upper part of the retractor body; When the disc device works, the retractor body and the ratchet structure on the second placing station are rotated counterclockwise to the third placing station of the pressing mechanism;

C. The pressing step of the ratchet structure; the pressing power unit drives the pressing upper plate to drive the pressing middle plate and the pressing lower plate to descend, and the ratchet structure is stably pressed on the upper part of the retractor body through the pressing head; rotate When the disc device works, the body of the retractor and the ratchet structure after being pressed on the third placing station are rotated counterclockwise to the fourth placing station of the transfer manipulator;

D. Transfer steps of the retractor body and the ratchet structure: The transfer manipulator picks up the retractor body and the ratchet structure on the fourth placement station and moves it to the upper part of the first assembly station; the second rotating disk device works to assemble the first assembly After pressing on the station, the retractor body and the ratchet structure are rotated counterclockwise and sent to the middle discharge position of the second assembly station corresponding to the upper shell feeding mechanism;

E. Assembly steps of the upper shell: the upper shell feeding mechanism picks up the upper shell of the accessories and moves the cover to the retractor body to seal the ratchet structure inside; The product is rotated counterclockwise and sent to the position of the third assembly station corresponding to the feeding mechanism of the mandrel main wheel;

F. Assembly steps of the mandrel main wheel: the mandrel main wheel feed plate output accessories mandrel main wheel goes through the direct vibration component 1 to the dislocation distribution chute, and then the distribution power unit orients the mandrel main wheel on the dislocation distribution chute to the dislocation distribution chute. Then push it to the material distribution plate, and the mandrel main wheel feeding manipulator picks up and moves it into the jack of the upper shell; the second rotating disk device works to rotate the products on the third assembly station counterclockwise to send and synchronize The position of the fourth assembly station corresponding to the feeding mechanism;

G. Double product feeding steps: the ring gear of the first output accessory of the vibration plate passes through the direct vibration component 1 to the temporary table 1, the end cover of the output accessories of the vibration plate 2 passes through the direct vibration component 2 to the temporary table 2, and the double product feeding manipulator The work moves the accessory ring gear and the end cover into the left and right discharge positions on the fourth assembly station; the second work of the rotary disk device rotates the products on the fourth assembly station counterclockwise to the corresponding position. the position of the fifth assembly station corresponding to the gear assembly mechanism;

H. Assembly steps from gears and transmission gears: output the accessories from the gear feeding tray from the gear via the direct vibration component of the gear to the distribution positioning assembly 1, and then temporarily place the manipulator to pick up the accessories located on the distribution positioning assembly 1 from the gear. Move and place it on the temporary placing table 3; the left gripping part in the combined feeding manipulator first picks up and moves the product on the fifth assembly station and places it on the upper part of the combination table 1, and the transmission gear feed plate output parts The transmission gear passes through the transmission gear The direct vibration component is placed on the second material distribution and positioning assembly, and the right clamping part in the combined feeding manipulator moves the accessory transmission gear on the second material distribution and positioning assembly to the right rotating shaft located on the upper shell of the combination table 1, and then temporarily The placing manipulator is on the upper part of the transmission gear that moves the gear on the temporary placing table 3 to the combination table 1, and finally the left gripping part of the combination feeding manipulator moves the product on the combination table 1 back to the fifth. In the middle discharge position of the assembly station; the second rotating disk device works to rotate the product on the fifth assembly station counterclockwise to the position of the sixth assembly station corresponding to the second gear assembly mechanism;

I. Main gear assembly steps: The main gear of the three output parts of the vibrating plate is transported to the third material distribution positioning assembly through the three direct vibration assembly, and the auxiliary pressing assembly presses the product on the middle discharge position to avoid other accessories when assembling the main gear. Tilt up, the main gear feeding manipulator clamps and moves the main gear of the accessories on the third positioning assembly to the upper part of the mandrel main wheel of the upper shell; the second rotating disc device works to rotate the product on the sixth assembly station counterclockwise Sent to the position of the seventh assembly station corresponding to the third gear assembly mechanism;

J. Assembly steps of ring gear and transition wheel: The ring gear assembly manipulator first picks up and moves the inner ring gear in the left discharge position of the seventh assembly station and places it in the upper shell of the middle discharge position, and the auxiliary pressing wheel assembly works to assemble the ring gear. Pressed in the upper shell; the transition wheel vibrating plate output accessories, the transition wheel, is transported to the distributing and positioning assembly 4 through the transition wheel direct vibration assembly, and the transition wheel feeding manipulator picks and moves the transition wheel in the distributing and positioning assembly four and places it on the back of the upper shell. In the rotating shaft, the transition wheel is engaged with the inside of the ring gear at this time; the second rotating disk device works to rotate the product on the seventh assembly station counterclockwise to the eighth assembly station corresponding to the end cover transfer and pressing mechanism. place;

K. Steps of end cover pressing: the internal inspection component conducts visual inspection of the products on the eighth assembly station, that is, the installation positions of the accessories in the upper shell; the XZ moving component absorbs the end cover of the right discharge position of the eighth assembly station Move and press the upper part of the upper shell of the middle discharge material position to assemble the finished retractor;

L. Finished product unloading step: The finished product unloading manipulator picks up and moves the finished product retractor on the eighth assembly station and places it into the finished product conveying assembly;

Thus, the whole process of assembling the finished retractor is completed.

It should be noted that the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as the scope of the description of the present invention; and, for those of ordinary skill in the art, improvements can be made according to the above descriptions or transformation, and all these improvements and transformations should belong to the protection scope of the appended claims of the present invention.

Claims (9)

1. The automatic assembling equipment for the safety belt retractor comprises a workbench and is characterized in that a first rotating disk device and a second rotating disk device which are arranged left and right are installed on the upper portion of the workbench, four placing stations are annularly arranged on the upper portion of the first rotating disk device at equal intervals, a feeding manipulator, a ratchet wheel assembling mechanism, a pressing mechanism and a transfer manipulator which are used for transferring the retractor body are sequentially installed on the upper portion of the workbench along the anticlockwise rotating direction of the first rotating disk device, and a feeding conveying assembly used for conveying the retractor body is installed on the rear side of the feeding manipulator; eight assembly stations are annularly arranged on the upper portion of the second rotary disc device at equal intervals, a jig substrate is installed on the upper portion of each assembly station, a left material placing position, a middle material placing position and a right material placing position are preset on the upper portion of each jig substrate, an upper shell feeding mechanism for transferring an upper shell of an accessory, a mandrel main wheel feeding mechanism for transferring a mandrel main wheel, a synchronous feeding mechanism for transferring an accessory ring gear and an accessory end cover, a gear assembly mechanism I for combining an accessory slave gear and a transmission gear with the upper shell, a gear assembly mechanism II for combining an accessory main gear with the mandrel main wheel, a gear assembly mechanism III for combining an accessory ring gear and an accessory transition wheel with the upper shell and an end cover transferring and pressing mechanism are sequentially installed on the upper portion of the workbench along the anticlockwise rotation direction of the second rotary disc device, and the right end of the transfer manipulator is located above the first assembly station, a finished product discharging manipulator and a finished product conveying assembly are further arranged on the upper portion of the workbench and positioned on the rear side of the end cover transfer press-fitting mechanism;

the ratchet wheel assembling mechanism comprises a first rotating assembling table, a material taking manipulator, a positioning material pressing component, a stopping clamping component, a position detection component, a ratchet wheel feeding manipulator and a rotating clamping component, wherein the material taking manipulator is installed on the right side of the first rotating assembling table and used for moving and placing a product on a placing station to the upper portion of the first rotating assembling table; a ratchet feeding disc is further arranged on one side of the ratchet feeding manipulator;

the stopping and clamping assembly comprises a stopping bottom plate, an XY moving unit and a clamping finger cylinder, fixed ends of the XY moving unit and the clamping finger cylinder are installed on the upper portion of the stopping bottom plate, a working end of the XY moving unit is connected with the fixed end of the clamping finger cylinder, and the working end of the clamping finger cylinder clamps the middle portion of a product through a clamping jaw.

2. The automatic assembling device for the safety belt retractor according to claim 1, wherein the pressing mechanism comprises a pressing support, a pressing top plate, a pressing power unit, a pressing upper plate, a pressing middle plate, a pressing buffer member, a pressing lower plate and a pressing head, a fixed end of the pressing power unit is mounted on the upper portion of the pressing support through the pressing top plate, a working end of the pressing power unit is fixedly connected with the upper portion of the pressing upper plate downwards, a plurality of pressing balance guide rods are mounted between the pressing upper plate and the pressing middle plate, the pressing buffer member is mounted between the pressing middle plate and the pressing lower plate, and a plurality of pressing heads are mounted on the lower portion of the pressing lower plate; the lower end of the pressing head is in a horn shape.

3. The automatic assembling device for the safety belt retractor according to claim 1, wherein the mandrel main wheel feeding mechanism comprises a mandrel main wheel feeding disc, a first direct vibration component, a staggered distribution slideway, a distribution power unit, a distribution plate and a mandrel main wheel feeding manipulator, the head end of the first direct vibration component is received at the discharge end of the mandrel main wheel feeding disc, the staggered distribution slideway is received at the tail end of the first direct vibration component, the fixed end of the distribution power unit is installed at the front end of the staggered distribution slideway, the distribution plate is installed at the rear side of the staggered distribution slideway, and the mandrel main wheel feeding manipulator is installed between the distribution plate and the second rotating disc device so as to pick up and move products on the distribution plate into an upper shell of a middle discharge position; the structure of the upper shell feeding mechanism is consistent with that of the mandrel main wheel feeding mechanism.

4. The automatic assembling device for the safety belt retractor according to claim 1, wherein the synchronous feeding mechanism comprises a first vibration disc for providing a ring gear, a second vibration disc for providing an accessory end cover, a first direct vibration assembly, a second direct vibration assembly, a first temporary placing table, a second temporary placing table and a double-product feeding manipulator, head ends of the first direct vibration assembly and the second direct vibration assembly are correspondingly connected with discharge ends of the first vibration disc and the second vibration disc, a first guide chute arranged at the upper part of the head end of the first temporary placing table is connected with the tail end of the first direct vibration assembly, a second guide chute arranged at the upper part of the head end of the second temporary placing table is connected with the tail end of the second direct vibration assembly, limiting plates are arranged at the tail ends of the first temporary placing table and the second temporary placing table, and the double-product feeding manipulator is arranged between assembling stations of the first temporary placing table and the rotary disc device.

5. The automatic seatbelt retractor assembling apparatus according to claim 1, wherein, the first gear assembly mechanism comprises a slave gear feeding disc, a slave gear direct vibration assembly, a material distribution positioning assembly I, a temporary placing table III, a temporary placing manipulator, a transmission gear feeding disc, a transmission gear direct vibration assembly, a material distribution positioning assembly II, a combined table I and a combined feeding manipulator, the head ends of the driven gear direct vibration assembly and the transmission gear direct vibration assembly are respectively and correspondingly connected with the discharge ends of the driven gear feeding disc and the transmission gear feeding disc, the first material distribution positioning assembly and the second material distribution positioning assembly are respectively and correspondingly connected with the tail ends of the driven gear direct vibration assembly and the transmission gear direct vibration assembly, the third temporary placing table is installed on the rear side of the first material distribution positioning assembly, and the temporary placing manipulator is installed on one side of the first material distribution positioning assembly and used for movably placing accessories of the first material distribution positioning assembly onto the third temporary placing table from a gear; the first combination table is installed at the left end of the second material distribution positioning assembly and located on the rear side of the third temporary placing table, and the combined feeding manipulator is installed on one side of the first combination table so as to move and place products on the first combination table to a middle material placing position.

6. The automatic assembling device of the safety belt retractor according to claim 1, wherein the second rotating disc device comprises a second rotating stepping motor, a second cam divider, a reinforcing fixing rod, a fixing disc, a reinforcing rotating shaft and a second rotating disc, a fixed end of the second rotating stepping motor is fixedly connected with an input shaft of the second cam divider, an upper middle position of the second cam divider is fixedly connected with a lower portion of the fixing disc through the reinforcing fixing rod, an output shaft of the cam divider faces upwards and is fixedly connected with a lower center position of the second rotating disc through the reinforcing rotating shaft sleeved outside the reinforcing fixing plate, the fixing disc is located above the second rotating disc, and the diameter of the second rotating disc is larger than that of the fixing disc.

7. The automatic assembling device for the safety belt retractor according to claim 6, wherein the gear assembling mechanism two comprises a third vibrating plate for providing a main gear of the accessory, a third direct vibrating component, a third distributing positioning component and a main gear feeding manipulator, the head end of the third direct vibrating component is received at the discharging end of the third vibrating plate, the third distributing positioning component is received at the tail end of the third direct vibrating component, and the main gear feeding manipulator is installed at one side of the third distributing positioning component and used for moving and placing the main gear of the accessory on the third distributing positioning component to the upper part of the spindle main wheel of the upper shell;

the gear assembly mechanism II further comprises an auxiliary material pressing component, and the auxiliary material pressing component is mounted on the upper portion of the fixed disc and corresponds to the assembly station.

8. The automatic seatbelt retractor assembling apparatus according to claim 6, wherein, the gear assembly mechanism III comprises a transition wheel vibration disc for providing an accessory transition wheel, a transition wheel direct vibration assembly, a material distribution positioning assembly IV, a ring gear assembly manipulator, an auxiliary pressing wheel assembly and a transition wheel feeding manipulator, the head end of the transition wheel direct vibration assembly is connected with the head end of the transition wheel vibration disc, the material distribution positioning assembly IV is connected with the tail end of the transition wheel direct vibration assembly, the auxiliary pressing wheel assembly is arranged on the left front side of the material distribution positioning assembly IV, the annular gear assembly manipulator is arranged on the fixed disc, the ring gear arranged in the left material placing position is movably arranged in the upper shell of the middle material placing position, the transition wheel feeding manipulator is arranged at one side of the material distributing positioning component IV, so as to move the accessory transition wheel on the fourth distributing positioning component to be placed into the upper shell and to be meshed with the inner part of the ring gear.

9. The automatic assembling device for the safety belt retractor according to claim 1, wherein the end cover transferring and press-fitting mechanism comprises a press-fitting support, an internal detection component, an XZ moving component and a suction head component, the internal detection component is installed at the top of the press-fitting support and used for performing appearance inspection on the inside of a product with a middle material placing position, a fixed end of the XZ moving component is installed in the middle of the press-fitting support, and the suction head component is installed on a movable end of the XZ moving component so as to suck and move the end cover located on the right material placing position and press-fit the upper portion of the product with the middle material placing position to assemble the end cover into a finished product.

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