CN217964599U

CN217964599U - Servo hand riveter

Info

Publication number: CN217964599U
Application number: CN202222344694.3U
Authority: CN
Inventors: 程斌; 韩思成
Original assignee: Lixing Industrial Technology Shanghai Co ltd
Current assignee: Lixing Industrial Technology Shanghai Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-06
Anticipated expiration: 2032-09-02

Abstract

The embodiment of the utility model discloses servo hand riveter, which comprises a housin, install the bearing frame on the casing, the speed reducer is installed on the bearing frame, the motor is connected with the speed reducer, the gear and the nut gear meshing of speed reducer, nut gear and screw connection, the nut gear is installed on end flange, end flange is connected with the bearing frame, end flange's other end installation sensor, the terminal installation axle sleeve of lead screw, waste pipe's end is located the axle sleeve, be equipped with reset spring between the end of lead screw and waste pipe's the one end, waste pipe's one end is connected with negative pressure generator, the front end and the draw claw seat of axle sleeve are connected, the front end of drawing claw seat is installed in leading the pipe, the inside of drawing claw seat is equipped with the clamping jaw, the rear end and the waste pipe of clamping jaw are connected, the lead screw that is located the sensor outside is equipped with the sheath outward, the sheath top is equipped with the feeding pipe joint, the front end of leading the pipe is installed on the clamping jaw seat. The utility model discloses the realization is to rivet the monitoring and the control of power and position, guarantees product quality's stability to the rivet.

Description

Servo hand riveter

Technical Field

The utility model relates to a riveting tool field, concretely relates to servo hand riveter.

Background

The rivet-pulling is a riveting method for riveting a riveting piece by using hand or compressed air as power and deforming a special rivet through a special tool, belongs to a cold riveting method, and is divided into several types of electric, manual and pneumatic according to the type of power. When the hydraulic riveter is used, the riveting force and the position of the riveting force at each time are difficult to monitor and control, the product quality is difficult to control, and the space required by installation is large. With the development of automobiles, the existing electric automobiles are rapidly developed, the core of the electric automobiles, namely batteries, is also an important part, the cost of the batteries occupies more than half of the cost of the whole automobile, the battery packs need to be riveted when the existing batteries are produced, the battery packs belong to more precise products, the traditional hydraulic hand riveters cannot be accurately controlled, and the required space is large. When a part of parts are riveted, the surfaces to be riveted are not a plane due to inconsistent thickness of the parts or different installation positions of the parts, the traditional rivet gun cannot be finely adjusted, the advancing stroke of the rivet gun driven by other mechanisms is fixed, and the rivet gun is easy to damage or poor in riveting effect when in riveting.

SUMMERY OF THE UTILITY MODEL

The utility model provides a servo hand riveter realizes the monitoring and the control of rivet riveting power and position, guarantees product quality's stability.

In order to achieve the above object, the utility model provides a following technical scheme:

the servo rivet gun comprises a motor, a speed reducer, a negative pressure generator, a nut gear and a shell, wherein a bearing seat is installed on the shell, the speed reducer is installed on the bearing seat, the motor is connected with the speed reducer, a gear of the speed reducer is meshed with the nut gear, the nut gear is connected with a lead screw, the nut gear is installed on an end face flange, the end face flange is connected with the bearing seat, a sensor is installed at the other end of the end face flange, the lead screw is located in the center of the shell, a shaft sleeve is installed at the tail end of the lead screw, the tail end of a waste material pipe is located in the shaft sleeve, a reset spring is arranged between the tail end of the lead screw and one end of the waste material pipe, the reset spring is located in the shaft sleeve, the waste material pipe penetrates through the lead screw, one end of the waste material pipe is connected with the negative pressure generator, the front end of the shaft sleeve is connected with a pull claw seat, the front end of the pull claw seat is installed in a guide pipe, the rear end of a clamping claw is connected with the waste material pipe, a sheath is arranged outside the lead screw outside the sensor, a feeding pipe is arranged above the sheath, and is installed on the clamping claw seat, and the front end of the clamping claw seat is connected with a rivet seat.

Preferably, still include the relocation mechanism, the relocation mechanism includes flange, slider, guide rail, clamp plate and spring, and the guide rail is installed on the casing, slider and guide rail sliding connection, and the flange is installed on the slider, and the clamp plate is installed in one side of flange, is equipped with the spring between clamp plate and the bearing frame.

Preferably, the sliding block further comprises a cover plate, the cover plate is installed on one side of the shell, and the top surface of the cover plate is located at the end face of the sliding block.

Preferably, the pressing plate further comprises a stop block, wherein the stop block is arranged on the bearing seat and is positioned on one side of the pressing plate.

Preferably, the check block is T-shaped, and comprises a mounting part and a blocking part, wherein the mounting part is mounted on the bearing seat through 2 bolts, and the blocking part faces the pressure plate.

Preferably, the negative pressure generator is mounted on the cover plate.

Preferably, the negative pressure generator is mounted on the cover plate through a suction pipe joint, an O-shaped ring is mounted on the suction pipe joint, the negative pressure generator is connected with the suction pipe joint through a locking nut, and the air pipe joint is arranged on the negative pressure generator.

Preferably, the feed pipe is inclined and the screw is horizontal.

Compared with the prior art, the beneficial effects of the utility model are that:

in the process of pulling the rivet, the utility model monitors the real-time tension through the sensor at the rear and monitors the position of the rivet through the servo motor encoder, and draws a force curve and a position curve on the upper computer, thereby realizing the control of the product quality; through the floating mechanism, the problem of poor riveting caused by different thicknesses of workpieces is greatly reduced.

The utility model discloses an integration and miniaturization have greatly promoted the quality of product and have reduced its required installation space.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention.

Fig. 2 is another schematic view of the embodiment of the present invention.

Fig. 3 is a bottom view of the embodiment of the present invention.

Fig. 4 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 3.

FIG. 5 is a cross-sectional view of the rivet as it is being loaded.

Fig. 6 is a partial schematic view of an embodiment of the present invention.

Fig. 7 is a partial cross-sectional view of an embodiment of the invention.

Fig. 8 is a schematic view of a combination of a claw seat and a rivet seat according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in the figures, the embodiment of the utility model discloses a servo riveter, which comprises a motor 1, a speed reducer 2, a negative pressure generator 3, a nut gear 4 and a shell 5, wherein a bearing seat 6 is arranged on the shell 5, the speed reducer 2 is arranged on the bearing seat 6, the motor 1 is connected with the speed reducer 2, a gear of the speed reducer 2 is meshed with the nut gear 4, the nut gear 4 is connected with a lead screw 7, the nut gear 4 drives the lead screw 7 to move horizontally, the nut gear 4 is arranged on an end face flange 8, the end face flange 8 is connected with the bearing seat 6, a sensor 9 is arranged at the other end of the end face flange 8, the lead screw 7 is positioned at the center of the shell 5, a shaft sleeve 10 is arranged at the tail end of the lead screw 7, the tail end of a waste pipe 11 is positioned in the shaft sleeve 10, a return spring 12 is arranged between the tail end of the lead screw 7 and one end of the waste pipe 11, reset spring 12 is located axle sleeve 10, lead screw 7 drives axle sleeve 10 and removes, waste material pipe 11 passes lead screw 7, waste material pipe 11's one end is connected with negative pressure generator 3, waste material pipe 11 is used for the emission of waste material, axle sleeve 10's front end with draw claw seat 12 to be connected, axle sleeve 10 drives and draws claw seat 13 to remove, the front end of drawing claw seat 13 is installed in leading positive pipe 14, the inside of drawing claw seat 12 is equipped with clamping jaw 15, clamping jaw 15's rear end is connected with waste material pipe 11, the lead screw that is located the sensor 9 outside is equipped with sheath 16 outward, sheath 16 top is equipped with inlet pipe joint 17, install inlet pipe 18 on the inlet pipe joint 17, the front end of leading positive pipe 14 is installed on claw seat 19, claw seat 19's front end is connected with rivet seat 20.

The motor 1 here is a servomotor.

The utility model discloses creative use servo motor 1 drive speed reducer 2, speed reducer 2 drives nut gear 4 through the last gear of speed reducer and rotates, and nut gear 4 drive lead screw 7 realizes feeding and the shrink.

The utility model discloses an in the embodiment, still include the relocation mechanism, the relocation mechanism includes flange 21, slider 22, guide rail 23, clamp plate 24 and spring 25, and guide rail 23 installs on casing 5, slider 22 and guide rail 23 sliding connection, and flange 21 installs on slider 22, and clamp plate 24 installs in one side of flange 21, is equipped with spring 25 between clamp plate 24 and the bearing frame 6.

The utility model discloses an entire structure passes through flange 21 to be connected with other power unit, and other power unit remove through driving flange 21, and then drive the utility model discloses moving as a whole is to riveting department. Therefore, a plurality of workpieces to be riveted are provided, the outer surfaces of the workpieces are not necessarily in the same plane, if the thicknesses of the workpieces are different, the mounting positions of the workpieces of the same type are different, so that the surfaces to be riveted are not in the same plane, the front end displacement of the hand riveter can float to a certain extent instead of directly lifting 24636 to the workpieces of different end surfaces, and other mechanisms drive the hand riveter to move to a preset displacement, so that the movement cannot be changed due to the change of the outer surfaces of the workpieces, and the floating mechanism is used for avoiding the riveting of the workpieces. Of course, the utility model discloses the plane difference of treating riveted work piece of using can not be too big.

The housing 5 can be floated by sliding the guide rail 23 on the slider 22 for a certain distance. The spring 25 plays a role of return.

In an embodiment of the present invention, the sliding device further includes a cover plate 26, the cover plate 26 is installed on one side of the housing 5, and the top surface of the cover plate 26 is located at the end surface of the sliding block 22. The cover plate 26 acts as a limit to limit the displacement of the guide rail 23 on the slider 22.

In an embodiment of the present invention, the present invention further comprises a stopper 27, the stopper 27 is installed on the bearing seat 6, and the stopper 27 is located on one side of the pressing plate 24. The stop 27, like the cover plate 26, acts as a stop to limit the displacement of the rail 23 on the slide 22.

In an embodiment of the present invention, the stopper 27 is T-shaped, the stopper 27 includes an installation portion 271 and a blocking portion 272, the installation portion 271 is installed on the bearing seat 6 through 2 bolts, and the blocking portion 272 faces the pressing plate 24.

In an embodiment of the present invention, the negative pressure generator 3 is mounted on the cover plate 26.

In an embodiment of the present invention, the negative pressure generator 3 is installed on the cover plate 26 through the suction pipe connector 28, the O-shaped ring is installed on the suction pipe connector 28, the negative pressure generator 3 is connected with the suction pipe connector 28 through the lock nut 29, and the air pipe connector 30 is installed on the negative pressure generator 3.

The utility model discloses a rivet 31 is held in clamping jaw department to the suction that rear suction tube connects 28 produced, releases rivet seat 20 with rivet 31 under both linkages. The feed amount of the screw rod 7 is controlled by the servo motor 1, so that the return spring 12 opens the clamping jaw 15, and the suction force generated by the suction pipe joint 28 sucks the tail part of the rivet 31 into the clamping jaw 15 until the bottom surface of the rivet 31 is attached to the rivet seat 20. At the moment, the motor 1 rotates reversely, the screw rod 7 feeds reversely, the clamping jaw 15 is driven to retreat, and the rivet pulling is completed. The motor 1 rotates forwards to release the clamping jaw 14, and the waste material discharge is completed. In the rivet pulling process, real-time tension is monitored through a sensor 9 at the rear, the position is monitored through a servo motor encoder, and a force curve and a position curve are drawn on an upper computer, so that the control of product quality is realized.

In one embodiment of the present invention, the feeding pipe 18 is inclined and the lead screw 7 is horizontal. Rivet 31 enters from feed tube 18.

The foregoing is illustrative and explanatory of the structure of the invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the structure or scope of the invention as defined in the appended claims.

Claims

1. Servo hand riveter, its characterized in that: the automatic feeding device comprises a motor, a speed reducer, a negative pressure generator, a nut gear and a shell, wherein a bearing seat is installed on the shell, the speed reducer is installed on the bearing seat, the motor is connected with the speed reducer, a gear of the speed reducer is meshed with the nut gear, the nut gear is connected with a lead screw, the nut gear is installed on an end face flange, the end face flange is connected with the bearing seat, a sensor is installed at the other end of the end face flange, the lead screw is located at the center of the shell, a shaft sleeve is installed at the tail end of the lead screw, the tail end of a waste pipe is located in the shaft sleeve, a reset spring is arranged between the tail end of the lead screw and one end of the waste pipe, the waste pipe penetrates through the lead screw, one end of the waste pipe is connected with the negative pressure generator, the front end of the shaft sleeve is connected with a pulling claw seat, the front end of the pulling claw seat is installed in a guide pipe, a clamping jaw is arranged inside the pulling claw seat, the rear end of the clamping jaw is connected with the waste pipe, a lead screw sheath outside the sensor, a feeding pipe joint is arranged above the sheath, a feeding pipe is installed on the head, and the front end of the guiding pipe is installed on the clamping claw seat, and connected with a rivet seat.

2. A servo riveter according to claim 1 wherein: the floating mechanism comprises a flange, a sliding block, a guide rail, a pressing plate and a spring, the guide rail is installed on the shell, the sliding block is connected with the guide rail in a sliding mode, the flange is installed on the sliding block, the pressing plate is installed on one side of the flange, and the spring is arranged between the pressing plate and the bearing seat.

3. A servo riveter according to claim 2 wherein: the sliding block is characterized by further comprising a cover plate, wherein the cover plate is installed on one side of the shell, and the top surface of the cover plate is located on the end face of the sliding block.

4. A servo riveter according to claim 2, wherein: the pressing plate is characterized by further comprising a stop block, wherein the stop block is arranged on the bearing seat and is positioned on one side of the pressing plate.

5. A servo riveter according to claim 4, wherein: the dog is the T type, and the dog includes installation department and block portion, and the installation department passes through 2 bolts to be installed on the bearing frame, and block portion is towards the clamp plate.

6. A servo riveter according to claim 3 wherein: the negative pressure generator is mounted on the cover plate.

7. A servo riveter according to claim 6, wherein: the negative pressure generator is arranged on the cover plate through a suction pipe joint, an O-shaped ring is arranged on the suction pipe joint, the negative pressure generator is connected with the suction pipe joint through a locking nut, and the air pipe joint is arranged on the negative pressure generator.

8. A servo riveter according to claim 1 wherein: the feed pipe is in an inclined state, and the screw rod is in a horizontal state.