CN115325037A - Flexible production line for bearing assembly - Google Patents

Abstract

The invention relates to the technical field of automatic assembly of robots, in particular to a flexible production line for bearing assembly, wherein a ball filling device, a setting device and a ball separating device are integrated on each bearing assembly platform, a steel ball blanking mechanism is arranged at the top end of the ball filling device and is used for automatically and sequentially blanking steel balls with different types and sizes, a plurality of transportation components are used for sending out a bearing assembly instruction, calling an idle transportation component to a raw material three-dimensional warehouse, transporting a raw material tray taken out of the raw material three-dimensional warehouse to an idle bearing assembly platform by using a stacker, assembling an inner ring and an outer ring by using the setting device, filling the corresponding type of steel balls into a bearing by the ball filling device according to an order, sending the bearing to the ball separating device for ball separation and placing and installing a retainer after the operation is finished, transporting the assembled bearing to a riveting press by using the transportation component for riveting, finally placing the bearing on a finished product three-dimensional warehouse, finishing the flexible assembly of the bearing, and simultaneously producing bearing products with different types.

Description

A flexible production line for bearing assembly

technical field

The invention relates to the technical field of robot automatic assembly, in particular to a flexible bearing assembly production line.

Background technique

Bearings are an important part of contemporary mechanical equipment, and are generally composed of outer rings, inner rings, steel balls and cages. In the prior art, for example, a joint bearing assembly automatic production line disclosed in Chinese patent document CN201410547121.8 includes storage Material, inner and outer ring measurement, slotting, fitting, clearance detection, laser marking, cleaning, oiling and packaging are integrated, and each equipment is set up in sequence to solve the problem of low automation and low assembly efficiency in the assembly of existing joint bearings problem, the Chinese patent document CN202110359101.8 discloses a bearing automatic assembly device including a rotary unit and a first feeding unit, a second feeding unit, a third feeding unit, a fourth feeding unit arranged around the rotating unit, The fifth feeding unit and the discharging unit complete automatic assembly. A teaching production line for automatic assembly of bearings disclosed in Chinese patent document CN202011307013.5 includes a bead filling module, a set module, a walking shaft module, a bead separating module, and a riveting module. Through the application of automated production lines in the assembly process of industrial robots, automatic assembly of deep groove ball bearings, bearing riveting, visual inspection, and automatic loading and unloading can be realized. The production of fixed-type bearings cannot meet the simultaneous production needs of small batches and multiple models. The assembly of a new type of bearing requires a large amount of equipment and capital investment, and the bearing assembly can only be carried out according to preset settings. When a raw material is in short supply or The production plan has changed, and the equipment can only stop running, so it is not enough to meet the higher practical needs.

Contents of the invention

In view of this, the purpose of the present invention is to propose a flexible bearing assembly production line to solve the problem that a special machine can only produce a fixed type of bearing and cannot meet the simultaneous production needs of small batches of multiple types.

Based on the above purpose, the present invention provides a flexible production line for bearing assembly, including a raw material three-dimensional warehouse for storing raw materials, a finished product three-dimensional warehouse for storing finished bearing products, a stacker for taking out raw material trays from the raw material three-dimensional warehouse, Bead filling device for steel ball infusion, sizing device for bearing inner ring, outer ring and steel ball assembly, bead separator for bearing inner steel ball equalization and installation of upper cage after assembly, bead separator for bead separation The riveting machine for riveting the rear bearing and the lower cage is characterized in that it also includes:

There are several bearing assembly tables arranged in a row. Each bearing assembly table is integrated with a bead filling device, a shaper, and a bead separator. The top of the bead filling device is equipped with a steel ball unloading mechanism, which is used for different models and sizes. Steel balls are automatically fed one by one;

There are several transportation components, which are used to transport the raw material pallets taken out of the raw material three-dimensional warehouse to the idle bearing assembly table for assembly.

Preferably, a tray conveyor belt is provided on the front side of the bearing assembly platform.

Preferably, a raw material conveyor belt is provided on the front side of the raw material three-dimensional warehouse.

Preferably, the transport assembly includes a plurality of conveyor belt compound AGVs, and a conveyor belt for transporting raw material pallets is provided at the top of the conveyor belt compound AGVs.

Preferably, the transportation component also includes a composite AGV with manipulators. A multi-degree-of-freedom collaborative robot arm is provided at the top of the composite AGV. An electromagnetic chuck is installed at the end of the collaborative robot arm, which is electrically powered to generate electromagnetic adsorption for grabbing the packaged bearings.

Preferably, the bearing assembly platform is provided with a transfer manipulator and an operation manipulator, and the ends of the transfer manipulator and the operation manipulator are equipped with electromagnetic grippers for grasping, positioning and assembling of multi-type bearings.

Preferably, the steel ball unloading mechanism includes a hopper arranged at the top of the bead filling device, a material cylinder is connected to the bottom of the hopper, and a retaining column is erected inside the material cylinder, and an annular gap is formed between the outside of the retaining column and the inside of the material cylinder, and the gap is spirally wound There are multiple rotating slideways, and there is a leakage hole at the bottom of the rotating slideway, and the diameter of the leakage hole decreases successively from top to bottom, so that steel balls of different types and sizes can be automatically discharged one by one.

Preferably, the top of each rotating slideway is an annular opening at the connection between the hopper and the barrel, and a partition is provided between each annular opening, and the width of each annular opening corresponds to the diameter of the leakage hole of each rotating slideway.

Preferably, an electromagnetic valve is provided at the end of the rotary slideway to control the feeding of a corresponding number of steel balls.

Preferably, the bead filler is provided with a vibrator for driving the barrel to vibrate and discharge.

Beneficial effects of the present invention: each bearing assembly platform is integrated with a bead filling device, a shaping device, and a bead separator, and the top of the bead filling device is equipped with a steel ball unloading mechanism, which is used for automatic successive unloading of steel balls of different sizes , a number of transport components, wait for the bearing assembly command to be issued, call the idle transport components to the raw material three-dimensional warehouse, use the stacker to transport the raw material pallets taken out of the raw material three-dimensional warehouse to the idle bearing assembly table, and assemble the inner ring through the shaper The outer ring and the bead filling device fill the bearing with the corresponding type of steel balls according to the order. After this operation is completed, it is sent to the bead separator for separation and installation of the cage. The assembled bearing is transported by the transportation component to the riveting machine for internal riveting Pressing treatment, and finally placed on the three-dimensional warehouse of finished products, complete the flexible assembly of bearings, and carry out simultaneous production of different types of bearing products at the same time.

Description of drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention. Invention, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work.

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

Fig. 2 is a top view structural schematic diagram of the bearing assembly platform of the present invention;

Fig. 3 is the schematic diagram of the three-dimensional structure of the raw material three-dimensional warehouse and the conveyor belt composite AGV of the present invention;

Fig. 4 is a three-dimensional structural schematic diagram of the bearing assembly platform of the present invention;

Fig. 5 is the schematic diagram of the three-dimensional structure of the riveting press of the present invention;

Fig. 6 is the schematic diagram of the three-dimensional structure of the manipulator composite AGV and the finished product three-dimensional warehouse of the present invention;

Fig. 7 is a schematic structural view of the steel ball blanking mechanism of the present invention;

Fig. 8 is a top view of the steel ball unloading mechanism of the present invention.

Labeled in the figure:

1. Conveyor belt composite AGV; 2. Tray conveyor belt; 3. Bearing assembly platform; 301. Teaching device; 302. Display screen; 303. Bead separator; 304. Transfer manipulator; ;307. Operation manipulator; 308. Control panel; 4. Riveting conveyor belt; 5. Riveting machine; 6. Seven-axis manipulator; warehouse; 11. stacker; 12. three-dimensional raw material warehouse; 13. raw material conveyor belt; 14. steel ball unloading mechanism; 141. hopper; 142. barrel; Hole; 146, annular opening; 147, partition; 148, vibrator.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific examples.

It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

As shown in Figures 1 to 8, a flexible bearing assembly production line includes a raw material three-dimensional warehouse 12 for storing raw materials, a finished product three-dimensional warehouse 10 for storing finished bearing products, and a stack for taking out raw material trays from the raw material three-dimensional warehouse 12. Stacker 11, bead filling device 306 for steel ball infusion, sizing device 305 for bearing inner ring, outer ring and steel ball assembly, assembly for the assembly of bearing inner steel balls and the installation of the upper cage The bead device 303, the riveting machine 5 used for riveting the bearing and the lower cage after separating the beads, also includes a bearing assembly table 3, and several bearing assembly tables 3 are arranged in a row, and each bearing assembly table 3 is integrated with a filling machine. The bead device 306, the shaper 305, the bead separator 303, the top of the bead filling device 306 is provided with a steel ball unloading mechanism 14, which is used for automatic successive unloading of steel balls of different sizes, and the transport assembly is provided with several transport assemblies for The raw material pallets taken out of the raw material three-dimensional warehouse 12 are transported to the idle bearing assembly platform 3 for assembly.

The present invention is based on the existing bearing automatic assembly teaching production line, including a raw material three-dimensional warehouse 12 for storing raw materials, a finished product three-dimensional warehouse 10 for storing finished bearing products, a stacker 11 for taking out raw material pallets from the raw material three-dimensional warehouse 12, Bead injector 306 for infusion of steel balls, shaper 305 for assembly of bearing inner ring, outer ring and steel balls, bead separator 303 for equal division of steel balls in the bearing and installation of upper cage after assembly, The riveting machine 5 used for riveting the bearing and the lower cage after separating the balls, in particular, also includes a bearing assembly table 3, and several bearing assembly tables 3 are arranged in a row, and each bearing assembly table 3 is integrated with a The bead filling device 306, the setting device 305, the bead separating device 303, and the top of the bead filling device 306 is equipped with a steel ball unloading mechanism 14, which is used for automatic unloading of steel balls of different sizes one by one, several transport components, pending the issue of bearing assembly instructions , before calling the idle transport components to the raw material three-dimensional warehouse 12, use the stacker 11 to transport the raw material pallets taken out of the raw material three-dimensional warehouse 12 to the idle bearing assembly table 3, assemble the inner and outer rings through the shaper 305, and the bead filling device 306 fills the bearing with steel balls of the corresponding type according to the order. After this operation is completed, it is sent to the bead separator 303 to separate the beads and install the cage. The assembled bearing is transported by the transportation component to the riveting machine 5 for internal riveting. And finally placed on the finished product three-dimensional warehouse 10, the flexible assembly of the bearing is completed, and the simultaneous production of different types of bearing products is carried out at the same time.

In the embodiment of the present invention, a tray conveyor belt 2 is provided on the front side of the bearing assembly platform 3 .

In the embodiment of the present invention, a raw material conveyor belt 13 is provided on the front side of the raw material three-dimensional warehouse 12 .

In the embodiment of the present invention, the transport assembly includes a plurality of conveyor belt complex AGV1, and the top of the conveyor belt complex AGV1 is provided with a conveyor belt for conveying raw material pallets, thereby relying on the stacker 11 to transport the raw material pallets taken out of the raw material three-dimensional warehouse 12 to the raw material conveyor belt 13, transported by the raw material conveyor belt 13 to the conveyor belt composite AGV1, and then transported to the idle tray conveyor belt 2 for corresponding assembly operations. Preferably, the front side of the riveting press 5 is also provided with a riveting conveyor belt 4, The seven-axis manipulator 6, the assembled bearing is transported by the conveyor belt compound AGV1 to the riveting conveyor belt 4 for loading, and then the seven-axis manipulator 6 grabs it and enters the riveting press 5 for riveting.

In an embodiment of the present invention, the transport assembly also includes a composite manipulator AGV9, a multi-degree-of-freedom cooperative robot arm is provided at the top of the composite robot AGV9, and an electromagnetic chuck is installed at the end of the cooperative robot arm, which is powered to generate electromagnetic adsorption for Catch the packed bearings, thereby transporting the packed bearings to the finished product three-dimensional warehouse 10 for placement.

In the embodiment of the present invention, a transfer manipulator 304 and an operation manipulator 307 are provided on the bearing assembly platform 3, and electromagnetic grippers are installed at the ends of the transfer manipulator 304 and the operation manipulator 307, which are used for grabbing and positioning assembly of multiple types of bearings. The conveyor belt compound AGV1 sends the raw materials to the transfer manipulator 304 pick-up place through the tray conveyor belt 2, and the transfer manipulator 304 transports the parts to the shaper 305 and assembles the inner and outer rings, and then operates the manipulator 307 to take the parts to the bead filling device 306, and fills the beads The machine 306 fills the bearing with steel balls of the corresponding type according to the order. After this operation is completed, it is sent to the bead separator 303 for bead separation, and then the transfer manipulator 304 completes the placement of the cage, and the transfer manipulator 304 transports the assembled bearing to the material. The disc conveyor belt 2, and then the bearing is transported to the conveyor belt composite AGV1 by the material tray conveyor belt 2.

In the embodiment of the present invention, the steel ball unloading mechanism 14 includes a hopper 141 located at the top of the bead filling device for mixing steel balls of different sizes. A stop post 143 is provided, and an annular gap is formed between the outside of the stop post 143 and the inside of the barrel 142, and a plurality of rotating slides 144 are spirally wound in the gap, and a leak hole 145 is provided at the bottom of each rotating slide 144, and The hole diameters of the leakage holes 145 decrease successively from top to bottom, so that steel balls of different sizes are automatically fed successively.

In the embodiment of the present invention, the top of each rotating slideway 144 is an annular opening 146 at the junction of the hopper 141 and the material barrel 142, and a partition 147 is arranged between each annular opening 146, and the width of each annular opening 146 is related to each rotation The hole diameters of the leak holes of the slideway 144 are correspondingly consistent, so that the mixed steel balls in the hopper 141 leak downward along the corresponding annular openings 146, even if the steel balls with a size smaller than the annular openings 146 fall into the rotating slideway 144, they will also flow in the spiral direction. When the bottom falls, the leakage hole 145 leaks material down successively until it falls into the rotating slideway 144 of corresponding size and size, so that the steel balls of corresponding size and size are dropped out of the corresponding rotating slideway 144 for assembly.

In the embodiment of the present invention, an electromagnetic valve is provided at the tail end of the rotating slideway 144. During assembly, the electromagnetic valve at the tail end of the corresponding rotating slideway 144 is opened to control the feeding of a corresponding number of steel balls, and then automatically closed.

In the embodiment of the present invention, the bead filling device 306 is provided with a vibrator 148 for driving the barrel 142 to vibrate and discharge the material, so as to further facilitate the vibration and discharge of the steel balls.

Specifically, the bearing assembly platform 3 is also provided with a teaching pendant 301 and a display screen 302 for production display or teaching demonstration. The bearing assembly platform 3 is also provided with a control panel 308 for controlling operation parameters. The riveting press 5 The side is also provided with a waste warehouse 7 for depositing unqualified products, and a baler 8 for baling operations.

In a flexible production line for bearing assembly disclosed by the present invention, when in use, each bearing assembly platform 3 is integrated with a bead filling device 306, a shaper 305, and a bead separator 303, and at the same time, steel balls are installed on the top of the bead filling device 306. The unloading mechanism 14 is used for automatic unloading of steel balls of different sizes one by one. Several transport components are waiting to issue a bearing assembly instruction, and call the idle transport components to the raw material three-dimensional warehouse 12, and use the stacker 11 to place the raw material three-dimensional warehouse 12 The raw material trays taken out are transported to the idle bearing assembly station 3, and the inner and outer rings are assembled through the shaper 305, and the bead filling device 306 fills the bearing with steel balls of the corresponding type according to the order, and sends it to the bead separator 303 after this operation is completed Beads are separated and the cage is placed and installed. The assembled bearing is transported by the transport component to the riveting machine 5 for internal riveting treatment, and finally placed on the finished product three-dimensional warehouse 10 to complete the flexible assembly of the bearing and carry out different types of bearing products at the same time simultaneous production work.

Those of ordinary skill in the art should understand that: the discussion of any of the above embodiments is exemplary only, and is not intended to imply that the scope of the present invention (including claims) is limited to these examples; under the idea of the present invention, the above embodiments or Combinations between technical features in different embodiments are also possible, steps may be carried out in any order, and there are many other variations of the different aspects of the invention as described above, which are not presented in detail for the sake of brevity.

The present invention is intended to embrace all such alternatives, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a flexible production line of bearing assembly, includes the three-dimensional storehouse of raw and other materials that is used for storing the raw and other materials, is used for depositing the three-dimensional storehouse of finished product of bearing finished product, a stacker that is used for taking out raw and other materials tray in the three-dimensional storehouse of raw and other materials, a irritate pearl ware that is used for the steel ball to infuse, a calibrator that is used for bearing inner race, outer lane and steel ball fit assembly, a branch pearl ware that is used for the installation of the interior steel ball of bearing etc. and last holder after the cover, a riveting press that is used for dividing behind the pearl bearing and lower holder riveting, a serial communication port, still include:

the device comprises a plurality of bearing assembly tables, a ball filling device, a shaping device and a ball distributing device, wherein the bearing assembly tables are distributed in an arrayed manner, the ball filling device, the shaping device and the ball distributing device are integrated on each bearing assembly table, and a steel ball blanking mechanism is arranged at the top end of each ball filling device and is used for automatically and successively blanking steel balls of different types and sizes;

the transportation assembly is provided with a plurality of trays for transporting the raw material trays taken out of the raw material three-dimensional warehouse to an idle bearing assembly table for assembly.

2. The bearing assembling flexible production line of claim 1, wherein a tray conveyor is arranged on the front side of the bearing assembling table.

3. The bearing assembly flexible production line of claim 1, wherein a raw material conveying belt is arranged on the front side of the raw material three-dimensional warehouse.

4. The bearing assembly flexible production line of claim 1, wherein said transport assembly comprises a plurality of conveyor composite AGVs having a conveyor belt on top for conveying a raw material pallet.

5. The bearing assembling flexible production line of claim 1, wherein the transportation assembly further comprises a mechanical arm composite AGV, the top end of the mechanical arm composite AGV is provided with a multi-degree-of-freedom cooperative mechanical arm, and an electromagnetic chuck is arranged at the tail end of the cooperative mechanical arm, so that electricity is generated to generate electromagnetic adsorption for grabbing the packaged bearing.

6. The bearing assembling flexible production line of claim 1, wherein a transferring manipulator and an operating manipulator are arranged on the bearing assembling table, and electromagnetic clamping jaws are arranged at the tail ends of the transferring manipulator and the operating manipulator and used for grabbing, positioning and assembling of bearings of multiple models.

7. The bearing assembling flexible production line as claimed in claim 1, wherein the steel ball blanking mechanism comprises a hopper arranged at the top end of the steel ball filling device, a material cylinder is connected to the bottom of the hopper, a retaining column is vertically arranged in the material cylinder, an annular gap is formed between the outer side of the retaining column and the inner side of the material cylinder, a plurality of rotating slideways are spirally wound in the gap, a leakage hole is formed at the bottom end of each rotating slideway, and the diameters of the leakage holes from top to bottom are sequentially reduced so as to automatically and gradually blank steel balls of different types and sizes.

8. The flexible production line for bearing assembly according to claim 7, wherein the top end of each rotary slideway is an annular opening at the joint of the hopper and the charging barrel, a partition plate is arranged between the annular openings, and the width of each annular opening is correspondingly consistent with the aperture of a leak hole of each rotary slideway.

9. The flexible production line for bearing assembly according to claim 7, wherein an electromagnetic valve is arranged at the tail end of the rotating slideway and used for controlling the blanking of a corresponding number of steel balls.

10. The flexible production line for bearing assembly according to claim 7, wherein a vibrator for driving the charging barrel to vibrate and discharge is arranged on the bead filling device.

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