CN204700235U - A fully automatic riveting device - Google Patents

Abstract

The utility model discloses a kind of full-automatic riveting set, comprise automatic material selecting device, supercharging device, rifle body, open/close mechanism, mechanism for picking and control system.Automatic material selecting device comprises vibrating disc, guide track, excessively guide groove, sorting mechanism and continuous nail feeding machanism; Rifle body comprises gun barrel, feed pipe and gas and oil mixed cylinder; Open/close mechanism comprises nut, opening and closing lobe, locking slot and reposition element; Mechanism for picking comprises preposition non-return element, drawing cover and locking three lobes.Automatic material selecting device is used for rivet automatic order to be delivered to rifle body, after rivet enters rifle body, completes automatic riveting by the style of work of open/close mechanism, mechanism for picking and supercharging device.Full-automatic riveting set size of the present utility model is little, cost is low, light, self-feeding, upper riveting can be realized, be suitable for different products and different application scenarios, the intensity of hand labor can be reduced, increase work efficiency, to meet the industrial requirement of development.

Description

A fully automatic riveting device

technical field

The utility model relates to a fully automatic riveting device, in particular to a riveting device for automatically feeding nails, riveting and pulling cores.

Background technique

At present, there are several major categories of riveting devices on the market: traditional manual mechanical riveting devices, semi-automatic riveting devices and automatic riveting devices. Among them, the traditional manual mechanical riveting device relies on manual retrieving and riveting, which is time-consuming and laborious, and the work efficiency is low; the semi-automatic riveting device is also the most widely circulated on the market, and is usually directly called an automatic riveting device, but in fact it still relies on manual retrieving. Pneumatic components or other components are riveted, but the work efficiency is still low; the last type of automatic riveting device can automatically complete the retrieving and riveting, but this type of riveting device is fixed installation equipment, the equipment is relatively large, there are certain requirements for the workpiece, and it is heavy Inflexible, high cost, and difficult to promote, it is only widely used on large-scale parts in aviation and other fields.

Utility model content

The utility model aims to provide a small-sized, low-cost, and portable automatic riveting device, which can realize automatic feeding and riveting, and is suitable for different workpieces and different application occasions. In this way, the intensity of manual labor can be reduced and work efficiency can be improved to meet the ever-growing industrial needs.

According to the first aspect of the utility model, a fully automatic riveting device is provided. The fully automatic riveting device includes an automatic material selection device, a booster device, a gun body, a opening and closing mechanism, a picking mechanism and a control system, wherein,

The automatic material selection device includes a vibration plate, a material guide track, a transition guide groove, a sorting mechanism and a nail feeding mechanism, the vibration plate is connected with the transition guide groove through the material guide track, and the transition guide groove One end connected to the material guide track is provided with the sorting mechanism, and the other end of the transition guide groove is provided with the nail feeding mechanism;

The gun body includes a gun barrel, a gun body air inlet, a feed pipe, an oil cylinder, an air chamber, a plurality of pistons and a control switch, the feed pipe is used to receive rivets from the nail feeding mechanism, the oil cylinder and The air chambers are sealedly connected to each other by pistons, and the oil cylinder is provided with an oil port, the air chamber is provided with an air inlet, and the pistons are provided with piston rods;

The opening and closing mechanism includes a nut installed at one end of the gun body, the nut is provided with an opening and closing flap, and the opening and closing flap can be opened for the rivet to pass through or locked to clamp the rivet;

The pick-up mechanism includes a front non-return element, a pull sleeve, a three-lobe frame and a locking three-lobe mounted on the three-lobe frame, and the front non-return element is arranged in the gun body close to the One end of the opening and closing mechanism, the drawing sleeve, the three-lobe frame and the locking three-lobes are arranged on the end of the piston rod close to the opening and closing mechanism, so that one end of the rivet can pass through the drawing sleeve and enter the locking the three petals and being clamped by the three locking petals;

The pressurization device includes an oil pressure chamber, an air pressure chamber and a spacer piston, the oil pressure chamber is connected to the oil port of the oil cylinder through an oil pipe, and an air inlet is provided at the bottom of the air pressure chamber; wherein ,

The automatic material selection device is used to automatically and orderly transport the rivets to the gun body. After the rivets enter the gun body, the opening and closing mechanism, the picking mechanism and the pressurizing device pass through the The control of the control system cooperates to complete the automatic riveting.

In a preferred embodiment, the control system includes a controller, an HMI human-computer interaction device, position detection components, pneumatic components, switches and electrical protection devices.

In a preferred embodiment, the feed pipe is arranged on the gun barrel and communicates with the gun barrel, and the feed pipe and the gun barrel form an included angle of 10°-30°.

In a preferred embodiment, the gun barrel is provided with a limiting slot device, so that each piston cannot rotate circumferentially relative to the gun barrel, but can only translate axially relative to the gun barrel.

In a preferred embodiment, the top end of the nail feeding mechanism is connected with a hose connector, and the top end of the hose connector communicates with the feed pipe of the gun body through a hose;

The lower end of the nail-feeding mechanism is connected with a cylinder, and the cylinder is provided with a nail-feeding piston rod that can move to the bottom of the hose joint;

The automatic material selection device is also provided with a feeding cylinder, through the air intake/exhaust operation of the feeding cylinder, the nail feeding piston rod moves upward/downward;

The bottom of the rivet-feeding piston rod is provided with an air inlet, and the cylinder conveys the rivet through the air inlet operation. When the air inlet is inhaled, the rivet at the bottom of the hose joint can be rushed to the gun body by high pressure to enter the rivet. in the feed tube.

In a preferred embodiment, the side structure of the front non-return element is a tapered structure that gradually widens from one side close to the opening and closing mechanism to the other side away from the opening and closing mechanism. The shape structure can prevent the rivet clamped by the tension structure from moving away from the tension mechanism.

In a preferred embodiment, the plurality of pistons includes a first piston (40), a second piston (42), a third piston (43) and a fourth piston (41), wherein

The first piston (40) and the second piston (42) are sleeved in the gun body and the piston rod of the second piston (42) passes through the middle of the first piston (40) sealingly, the The third piston (43) and the fourth piston (41) seal through the second piston and the piston rod of the third piston (43) seals through the fourth piston (41) through;

A rear cover is provided on the side of the gun body far from the opening and closing mechanism, the air chamber is arranged at a position close to the rear cover, and the oil cylinder is arranged upstream of the air chamber.

In a preferred embodiment, the opening and closing flap is provided with a locking groove and a reset element, the locking groove is used to lock the rivet, and the reset element is used to reset the opening and closing flap after the rivet is released.

According to the second aspect of the utility model, a fully automatic riveting method is provided, the method adopts the fully automatic riveting device as described above, and the method includes the steps of:

(1) Vibrating the rivets through the vibrating plate and transporting them to the sorting mechanism via the material guide track;

(2) The sorting mechanism transports the rivets to the transition guide groove at preset time intervals, and then sends them into the nail feeding mechanism;

(3) Send the rivet into the gun body through the nail feeding mechanism, and make the rivet enter the opening and closing flap through the front non-return element and lock the cap end of the rivet in the At the port of the opening and closing valve;

(4) The air inlet of the air chamber is opened, the air enters the air chamber to increase the pressure, and pushes the second piston (42) and the third piston (43) to move, so that the pull The puller moves to the position of the control switch, and at the same time, the second piston (42) pushes the fourth piston (41), so that the top end of the fourth piston (41) moves to the position of the locking three-lobe Location;

(5) Open the air inlet of the gun body, air enters the gun body from the air inlet of the gun body, and pushes the first piston (40) to move towards the direction of the air chamber, so that the tension clasp unlocked;

(6) Make the tail end of the rivet enter the three locking lobes through the drawing sleeve and be clamped by the three locking lobes;

(7) Make the top of the piston rod of the third piston (43) push the tail end of the rivet to move forward, the opening and closing flap expands outwards, the rivet pushes back the opening and closing flap, and the opening and closing flap is restored to clamping state;

(8) Open the air inlet of the pressurizing device, gas enters the air pressure chamber and pushes the spacer piston, and the oil squeezed out from the oil pressure chamber enters the oil cylinder through the oil pipe and the oil port inside, while the air inlet of the air chamber exhausts,

(9) Make the first piston (40) move forward further to lock the opening and closing valve, and the second piston (42) moves further backward (towards the direction of the air chamber) to lock the three locking the tail end of the rivet by flaps so as to break the rivet;

(10) After the rivet is pulled off, the locking three petals are loosened, the cap end of the rivet is driven out and struck on the object to be riveted, and the tail end of the rivet is discharged out of the gun body through the window.

Preferably, the HMI human-computer interaction device can control and monitor the entire process of automatic riveting of the riveting device, and the control system can intelligently handle emergency situations.

The full-automatic riveting device of the utility model is small in size, low in cost, and light in weight. It can realize automatic feeding and riveting, and is suitable for different parts and different application occasions. It greatly reduces the intensity of manual labor and improves work efficiency. Meet ever-evolving industrial needs.

Description of drawings

Fig. 1 is an overall equipment diagram of a fully automatic riveting device according to an embodiment of the present invention, in which part of the structure is shown in a side sectional view;

Fig. 2 is the enlarged side sectional view of the gun body structure of the fully automatic riveting device in Fig. 1; And

Fig. 3 is a top sectional view of the gun body structure of the fully automatic riveting device in Fig. 1 .

Detailed ways

Preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so as to better understand the purpose, features and advantages of the utility model. It should be understood that the embodiments shown in the accompanying drawings are not intended to limit the scope of the utility model, but only to illustrate the spirit of the technical solution of the utility model.

After long-term and in-depth research, the present inventor has provided a fully automatic riveting device that can automatically complete the retrieving and riveting. The device can automatically feed nails, rivet, and core without manual operation. , light and flexible, suitable for different parts and different applications, so as to reduce the intensity of manual labor and improve work efficiency to meet the continuously developing industrial needs. Based on the above findings, the utility model has completed the utility model.

Fig. 1 shows the overall equipment diagram of the fully automatic riveting device of the present invention, wherein part of the structure is shown in side sectional view. As shown in Fig. 1, the fully automatic riveting device of the present invention includes an automatic material selection device A, a booster device B, a gun body C, a opening and closing mechanism D, a picking mechanism E and a control system (not shown).

The automatic material selection device A includes a vibration plate 1 , a material guide track 4 , a transition guide groove 6 , a sorting mechanism 2 and a nail feeding mechanism 12 . Wherein, the vibrating plate 1 is connected to the transition guide groove 6 through the guide rail 4, and one end of the transition guide groove 6 connected to the guide rail 4 is provided with a sorting mechanism 2, and the other end of the transition guide groove 6 is provided with a nail feeding mechanism 12, The top of the nail feeding mechanism 12 is connected with a hose connector 13, and the lower end of the nail feeding mechanism 12 is connected with the cylinder 9, and the cylinder 9 is provided with a piston rod 8 that can move to the bottom of the hose connector 13, and the bottom of the piston rod 8 is provided with an air inlet Port 7, cylinder 9 delivers the rivet through the intake operation of the intake port 7.

The rivet can keep the orderly attitude of the cap up and the nail down through the vibration on the vibrating plate 1 to enter the guide track 4 and move to the sorting mechanism 2 along with the guide track 4, and the sorting mechanism 2 can At intervals of time, one rivet 3 is transported to the transition guide groove 6 while maintaining the aforementioned orderly posture, and then sent into the cavity of the nail feeding mechanism 12 . After the rivet 3 enters the cavity of the nail feeding mechanism 12 , the upward movement of the piston rod 8 can push the rivet 3 to the bottom of the hose joint 13 .

The automatic material selection device A is also provided with a feeding cylinder. Through the air intake/exhaust operation of the feeding cylinder, the nail feeding piston rod 8 moves upward/downward, and the top of the hose joint 13 connects with the gun body structure through the hose 16. The gun body feed pipe 21 communicates. After the air inlet 7 has air, the rivet positioned at the bottom of the hose joint 13 can be flushed into the gun body feed pipe 21 by high pressure.

The gun body C includes a gun barrel 60 , a feed pipe 21 , an air-oil mixing cylinder 38 , a first piston 40 , a second piston 42 , a third piston 43 and a fourth piston 41 . The feed pipe 21 is arranged on the gun barrel 60 and forms an included angle α of 10°-30° with the gun barrel 60 . The first piston 40 and the second piston 42 are sleeved in the gun body and the piston rod of the second piston 42 passes through the middle of the first piston 40 in a sealed manner, and the third piston 43 and the first piston Four pistons 41 pass through the second piston sealingly and the piston rod of the third piston 43 passes through the fourth piston 41 sealingly; the air-oil mixing cylinder 38 includes an oil cylinder 34 and an air chamber 35 , the gun body is provided with a rear cover 36 on the side farther from the opening and closing mechanism, the air chamber is arranged at a position close to the rear cover, and the oil cylinder is arranged upstream of the air chamber.

The left end and the right end of the oil cylinder 34 are respectively provided with a first piston 40 and a second piston 42, the piston rod of the second piston 42 is provided with a limit pin 53, and a limit groove 54 is also provided in the second piston 42, and the end of the second piston 42 Screw plug is installed, and oil cylinder 34 is sealed with other parts of gun body by parts such as piston, and air chamber 35 is also sealed with other parts of gun body. The gun barrel 60 is provided with a limiting slot device, so that each piston cannot rotate circumferentially relative to the gun barrel 60 , but can only translate axially relative to the gun barrel 60 . As shown in Figure 1-2, the gun body C is provided with a gun body air inlet 32 near the middle position, and the air inlet 32 of the gun body is opened to allow air to flow in, which can push the first piston to move to the right. As shown in FIG. 3 , a window 50 is provided on one side of the gun body. During the working process of the automatic riveting device, when the window 50 is controlled by the control system, it can be opened or closed according to the riveting process.

The opening and closing mechanism D includes a nut 29 installed at one end of the gun body. The nut 29 is provided with a three-lobe opening and closing flap 31 , and the opening and closing flap 31 is provided with a locking groove 30 and a reset element 28 .

The pick-up mechanism E includes a front non-return element 22 arranged on the top of the gun body, and the front non-return element 22 is provided with a reset element 23 . As shown in Figure 1-2, the side structure of the front non-return element 22 is a tapered structure that gradually widens from left to right. Move left to right. A drawing sleeve 25, a three-lobe frame 27 and a locking three-lobe 26 are arranged on the top of the piston rod, wherein the drawing sleeve 25 and the locking three-lobe 26 are angled at the same angle.

The pressurization device B includes an oil pressure chamber 45, an air pressure chamber 46 and a spacer piston, wherein the oil pressure chamber 45 is connected to the oil port 33 provided on the oil cylinder 34 through the oil pipe 10, and the bottom end of the air pressure chamber 46 is provided with an air inlet 47 .

As mentioned above, when the rivet is punched into the feed pipe 21 of the gun body by high pressure, the rivet enters the opening and closing flap 31 through the front non-return element 22 and is locked at the port of the opening and closing flap 31 . At this time, the air inlet 37 of the air chamber 35 in the gun body C is opened, the cavity 35 takes in air, and the piston 42 and the piston are pushed forward, and when the drawing sleeve 25 moves to the position of the control switch 49, the air inlet of the gun body 32 opens and takes in air, pushes the first piston 40 to move downstream, the opening and closing flaps 31 of the three petals are unlocked, the second piston 42 and the third piston 43 continue to move forward, and the top end of the piston rod of the fourth piston 41 pushes against the locked three petals 26. The tail end of the rivet enters the locking three-lobe 26 through the drawing sleeve 25 arranged at the top of the piston rod of the second piston 42, and the locking three-lobe 26 picks up the tail end of the rivet through the spring, and the top of the piston rod of the third piston 43 Proceed forward against the tail end of the rivet, the three flaps 31 expand outwards, the flaps 31 push open, the rivets push out the opening of the flaps, and the flaps 31 restore and clamp.

Then, the air inlet 47 of the pressurizing device B is opened, the gas enters, and pushes the spacer piston, and the oil squeezed out from the oil pressure chamber 45 enters the oil cylinder 34 through the oil pipe 10 and the oil port 33, and pushes the first piston 40, The second piston 42 moves in the opposite direction to expand the cylinder 34 . Simultaneously, the air inlet 37 deflates, the first piston 40 moves forward to lock the closing flap 31, and the second piston 42 moves backward to lock the rivet tail end. The left end of rivet is clamped by opening and closing flap 31, and the right end (tail end) is clamped and pulled to the right by locking three petals 26, and after rivet is pulled off, locking three petals 26 loosens, and the front end of rivet (for The left end) part is driven out and punched on the object to be riveted, and the tail end of the rivet is discharged from the body of the gun through the window 50, thus completing an automatic riveting.

The control system of the automatic riveting device of the utility model includes a controller, an HMI human-computer interaction device, a position detection component, a pneumatic component, a switch device and an electrical protection device. The HMI human-computer interaction equipment can control and monitor the automatic riveting of the rivet device throughout the whole process, and the control system can intelligently handle emergencies.

The preferred embodiments of the utility model have been described in detail above, but it should be understood that those skilled in the art can make various changes or modifications to the utility model after reading the above teaching content of the utility model. These equivalent forms also fall within the scope defined by the appended claims of this application.

Claims (8)

1. A full-automatic riveting device is characterized by comprising an automatic material selecting device, a supercharging device, a gun body, an opening and closing mechanism, a picking mechanism and a control system,

the automatic material selecting device comprises a vibration disc, a material guide rail, a transition guide groove, a sorting mechanism and a nail feeding mechanism, wherein the vibration disc is connected with the transition guide groove through the material guide rail, the sorting mechanism is arranged at one end of the transition guide groove connected with the material guide rail, and the nail feeding mechanism is arranged at the other end of the transition guide groove;

the gun body comprises a gun barrel, a gun body air inlet, a feeding pipe, an oil cylinder, an air chamber, a plurality of pistons and a control switch, wherein the feeding pipe is used for receiving rivets from the nail feeding mechanism;

the opening and closing mechanism comprises a nut arranged at one end of the gun body, an opening and closing flap is arranged on the nut, and the opening and closing flap can be opened to allow a rivet to pass through or locked to clamp the rivet;

the picking mechanism comprises a front check element, a drawing sleeve, a three-clack frame and three locking clacks arranged on the three-clack frame, the front check element is arranged at one end, close to the opening and closing mechanism, in the gun body, the drawing sleeve, the three-clack frame and the three locking clacks are arranged at one end, close to the opening and closing mechanism, of the piston rod, so that one end of a rivet can enter the three locking clacks through the drawing sleeve and is clamped by the three locking clacks;

the pressurizing device comprises an oil pressure cavity, an air pressure cavity and a spacing piston, the oil pressure cavity is connected with the oil through opening of the oil cylinder through an oil pipe, and an air inlet is formed in the bottom end of the air pressure cavity; wherein,

the automatic material selecting device is used for automatically and orderly conveying rivets to the gun body, and after the rivets enter the gun body, the opening and closing mechanism, the picking mechanism and the pressurizing device cooperate to complete automatic riveting under the control of the control system.

2. The full-automatic riveting apparatus according to claim 1, wherein the control system comprises a controller, an HMI human machine interaction device, a position detection component, a pneumatic component, a switch type component and an electrical protection component.

3. The full-automatic riveting apparatus according to claim 1, wherein the feed pipe is arranged on and communicated with the gun barrel, and the feed pipe and the gun barrel form an included angle of 10-30 degrees.

4. The fully automatic riveting apparatus according to claim 1, wherein a limiting detent arrangement is provided within the barrel such that each piston cannot rotate circumferentially relative to the barrel but can only translate axially relative to the barrel.

5. The full-automatic riveting apparatus according to claim 1,

the top end of the nail feeding mechanism is connected with a hose connector, and the top end of the hose connector is communicated with the feeding pipe of the gun body through a hose;

the lower end of the nail feeding mechanism is connected with an air cylinder, and a nail feeding piston rod which can move to the bottom of the hose connector is arranged in the air cylinder;

the automatic material selecting device is also provided with a feeding cylinder, and the nail feeding piston rod moves upwards/downwards through the air inlet/exhaust operation of the feeding cylinder;

the bottom of sending the nail piston rod is provided with the air inlet, and the rivet is carried through the operation of admitting air of air inlet to the cylinder, and when the air inlet admitted air, the rivet that is located hose nipple bottom can be by the high atmospheric pressure rush to in the rifle body inlet pipe.

6. The automatic riveting device according to claim 1, wherein the side structure of the front check element is a tapered structure which gradually widens from one side close to the opening-closing mechanism to the other side far away from the opening-closing mechanism, and the tapered structure can prevent the rivet clamped by the opening-closing mechanism from moving in the direction far away from the opening-closing mechanism.

7. The full-automatic riveting apparatus according to claim 1, wherein the plurality of pistons comprises a first piston (40), a second piston (42), a third piston (43), and a fourth piston (41), wherein

The first piston (40) and the second piston (42) are sleeved in the gun body, a piston rod of the second piston (42) penetrates through the first piston (40) in a sealing mode, the third piston (43) and the fourth piston (41) penetrate through the second piston in a sealing mode, and a piston rod of the third piston (43) penetrates through the fourth piston (41) in a sealing mode;

the gun body is provided with a rear cover at one side far away from the opening and closing mechanism, the air chamber is arranged at a position close to the rear cover, and the oil cylinder is arranged at the upstream of the air chamber.

8. The automatic riveting device of claim 1, wherein the opening and closing flap is provided with a locking groove and a reset element, the locking groove is used for locking a rivet, and the reset element is used for resetting the opening and closing flap after the rivet is released.