CN114434134A

CN114434134A - Tightening device and assembling device for motor vehicle parts

Info

Publication number: CN114434134A
Application number: CN202210121159.3A
Authority: CN
Inventors: 李祖兵; 马世彤; 陆敏; 王达; 衡恒; 肖志强; 曹葵康; 黄沄
Original assignee: Tztek Technology Co Ltd
Current assignee: Tztek Technology Co Ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-05-06
Anticipated expiration: 2042-02-09
Also published as: CN114434134B

Abstract

The invention provides a tightening device and an assembling device for motor vehicle parts, which comprise a tightening module and a pickup module, wherein the pickup module is used for picking up the motor vehicle parts, the pickup module is arranged on the tightening module, the tightening module is used for driving the pickup module to move, the pickup module comprises a connecting assembly, an elastic assembly and a clamping assembly, one end of the connecting assembly is fixedly connected with the tightening module, the other end of the connecting assembly is fixedly connected with the clamping assembly, the elastic assembly is sleeved on the clamping assembly with a telescopic function, the parts are abutted against the inner wall of the clamping assembly under the action of the elastic assembly, and the parts clamped by the clamping assembly are fastened on a runner plate of a motor vehicle under the driving of the tightening module; the picking module in the device does not need to be connected with an air source or a power supply, the elastic assembly can clamp parts through the matching of the clamping assembly, the parts clamped by the picking module are fastened on the runner plate under the driving of the screwing module, and the screwing device is simple in structure and low in cost.

Description

Tightening device and assembling device for motor vehicle parts

Technical Field

The invention relates to the field of assembly of motor vehicles, in particular to a tightening device and an assembly device for motor vehicle parts.

Background

In the field of motor vehicle assembly, it is becoming more and more popular to assemble its parts through mechanical automation, for example: in a heat exchanger in a motor vehicle, a flow channel plate is used as a base plate, and various components such as valves are mounted on the flow channel plate. The two media flow separately in the flow passage plate, wherein the heat of one medium is transferred to the other medium to realize heat exchange.

The last screwing mechanism of automobile parts is generally screwed by a professional screw machine, and the screwing mechanism is generally picked up by a clamping jaw or a suction head in order to improve the universality, but the clamping jaw or the suction head is communicated with an air source, so that the structure of the screwing mechanism is complex and the cost is high.

Disclosure of Invention

In view of the above, the present invention provides a tightening device and an assembling device for a motor vehicle component, which utilize the cooperation of a pick-up module and a tightening module to fasten the component on a runner plate without communicating a gas source or a power source.

In order to solve the technical problems, the invention adopts the following technical scheme:

in one aspect, a tightening device for an automotive part according to an embodiment of the present invention includes a tightening device body including:

screwing down the module;

the picking module is used for picking up motor vehicle parts and is arranged on the tightening module, and the tightening module is used for driving the picking module to move; wherein,

the picking module comprises a connecting assembly, an elastic assembly and a clamping assembly, one end of the connecting assembly is fixedly connected with the screwing module, the other end of the connecting assembly is fixedly connected with the clamping assembly, the elastic assembly is sleeved on the clamping assembly with a telescopic function, the part is abutted against the inner wall of the clamping assembly under the action of the elastic assembly, and the part clamped by the clamping assembly is fastened on a runner plate of a motor vehicle under the driving of the screwing module.

Preferably, coupling assembling includes connecting rod and mounting panel, mounting panel fixed mounting in the one end of connecting rod, the other end of connecting rod with screw up module fixed connection.

Preferably, the centre gripping subassembly includes sleeve part and holder, sleeve part and holder form with spare part assorted space, sleeve part with coupling assembling fixed connection, holder movable mounting in on the coupling assembling, elastic component suit simultaneously and butt in on the outer wall of sleeve part and holder.

Preferably, the clamping piece is provided with a protrusion, and when the clamping assembly clamps the part, the protrusion abuts against the outer wall of the part.

Preferably, the outer walls of the sleeve part and the clamping part are respectively provided with a first groove and a second groove, the elastic component is sleeved and abutted on the inner walls of the first groove and the second groove, and the first groove and the second groove are matched with the elastic component.

Preferably, the clamping component comprises a plurality of sleeve parts and clamping parts, the sleeve parts and the clamping parts are arranged alternately, and the clamping parts are abutted to the outer wall of the part evenly.

Preferably, the outer walls of the sleeve piece and the clamping piece are respectively provided with a third groove and a fourth groove, the third groove and the fourth groove are close to the edge of the sleeve piece, and the elastic component is sleeved and abutted on the inner walls of the third groove and the fourth groove.

Preferably, the clamping assembly further comprises a limiting plate, the limiting plate is detachably mounted on the outer wall of the sleeve piece and corresponds to the third groove, and the limiting plate is used for abutting the elastic assembly on the outer wall of the sleeve piece.

Preferably, the tightening device body further comprises a transfer module, the transfer module is used for transferring the parts picked by the picking module, the tightening module is mounted on the transfer module, the picking module moves to the position above the parts under the transfer of the transfer module, and the picking module is matched with the parts under the action of the tightening module so as to pick the parts.

In another aspect, the invention further provides an assembling device for motor vehicle parts, which includes the tightening device for motor vehicle parts provided in the above embodiments.

The technical scheme of the invention at least has one of the following beneficial effects:

the invention discloses a tightening device and an assembling device for motor vehicle parts, wherein a pickup module in the device does not need to be connected with an air source or a power supply, an elastic component and a clamping component are matched to clamp the parts, the parts clamped by the pickup module are fastened on a runner plate under the driving of the tightening module, and the tightening device has a simple structure and lower cost.

Drawings

Fig. 1 is a schematic overall structural view of a tightening device for a motor vehicle component according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic structural diagram of a pick-up module in a tightening device for motor vehicle parts according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a clamp used in a tightening device for a motor vehicle component according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a component part in the tightening device for a motor vehicle component part according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of another angle of the pick-up module in the tightening device for the motor vehicle component according to the embodiment of the invention.

Reference numerals:

a. a seal ring; b. a component part; b1, hexagonal structure; 20. screwing down the device body; 20a, a transfer module; 20b, screwing the module; 20c, a pick-up module; 20c1, connecting rod; 20c2, mounting plate; 20c3, a clip; 20c31, second groove; 20c32, fourth groove; 20c33, bumps; 20c34, mounting holes; 20c4, sleeve member; 20c5, a limit plate; 20c6, a limit stop; 20d, a camera module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

The embodiment of the invention provides a tightening device for motor vehicle parts, which can clamp the parts without communicating an air source or a power source by utilizing the matching between an elastic component and a clamping component in a picking module 20c, and a part b clamped by the picking module 20c is fastened on a runner plate of a motor vehicle under the driving of a tightening module 20b, wherein the picking module 20c in the device has a simple structure and lower cost.

A tightening device for a motor vehicle component according to an embodiment of the present invention will be described first in detail with reference to the accompanying drawings.

It should be noted that: the parts b in the embodiment of the present invention are various valves with threads, such as: EXV valves, etc., the embodiments of the present invention described below are illustrated as threaded EXV valves, but are not limited thereto. Based on the difference in size and structure of various valves, the size and structure of the elastic assembly and the clamping assembly need to be adjusted correspondingly.

Specifically, as shown in fig. 1 and fig. 2, the tightening device for a motor vehicle component according to an embodiment of the present invention includes a tightening device body 20, the tightening device body 20 includes a tightening module 20b and a picking module 20c, the picking module 20c is used for picking up the motor vehicle component, the picking module 20c is mounted on the tightening module 20b, the picking module 20c includes a connecting assembly, an elastic assembly and a clamping assembly, one end of the connecting assembly is fixedly connected to the tightening module 20b, the other end of the connecting assembly is fixedly connected to the clamping assembly, the elastic assembly is sleeved on the clamping assembly with a telescopic function, the component b abuts against an inner wall of the clamping assembly under the action of the elastic assembly, and the component clamped by the clamping assembly is fixed on a runner plate of the motor vehicle under the driving of the tightening module 20 b.

That is to say, utilize the elastic force of elastic component itself to act on the outer wall of centre gripping subassembly to make centre gripping subassembly gather inwards and act on the spare part, realize the centre gripping of spare part. After the clamping assembly clamps the component b, the component b is driven by the tightening module 20b to rotate so as to fasten the component b on a runner plate of the motor vehicle, and the component assembly is completed.

The tightening module 20b is used to drive the pick-up module 20c to move and rotate to fasten the parts to the runner plate. The tightening module 20b comprises a press assembly, when the picking module 20c is located right above the component, the press assembly drives the picking module 20c to move downwards and enables the clamping assembly to be sleeved on the component, and the clamping assembly expands outwards under the action of the press assembly and gathers inwards under the action of the elastic assembly to achieve picking of the component. When the tightening module 20b fastens the component to the runner plate, the clamping assembly is moved upward and disengaged from the component by the tightening module 20 b.

It should be understood that: the clamping assembly is a clamping assembly with a telescopic function, can be expanded outwards and can also be gathered inwards, the clamping assembly is expanded outwards under the action of external force to match the parts, and the clamping assembly is gathered inwards under the action of the elastic assembly to pick up the parts. The picking module 20c does not need to be communicated with an air source or a power source to be used as a driving force, and the picking module 20c can be clamped or loosened by utilizing the screwing module 20b to provide an upward or downward external force to the picking module 20c, so that the device is simple in structure, convenient to operate and low in cost.

In one embodiment, as shown in fig. 3, the connecting assembly includes a connecting rod 20c1 and a mounting plate 20c2, the mounting plate 20c2 is fixedly mounted at one end of the connecting rod 20c1, and the other end of the connecting rod 20c1 is fixedly connected to the tightening module 20 b. The mounting plate 20c2 is used to mount the clamping assembly, and the shape of the mounting plate 20c2 is set according to specific requirements. In addition, the length of the connecting rod 20c1 is also set according to specific requirements, and the embodiment of the invention is not limited.

In one embodiment, as shown in fig. 2, the clamping assembly includes a sleeve member 20c4 and a clamping member 20c3, the sleeve member 20c4 is fixedly connected to the connecting assembly, the clamping member 20c3 is movably mounted on the connecting assembly, and the elastic member is sleeved on and abutted against the outer walls of the sleeve member 20c4 and the clamping member 20c 3. Based on the cylindrical configuration of the EXV valve on the vehicle, the clamping assembly needs to match the shape of the EXV valve for accurate pick-up thereof. When the parts are in other shapes, such as: the parts are in a conical structure, and the clamping assembly is correspondingly matched.

That is, the sleeve 20c4 and the clamping member 20c3 form a space matching with the shape of the component, when the component is located in the matching space, the clamping member 20c3 abuts against the outer wall of the component under the action of the elastic member based on the movable mounting of the clamping member 20c3 on the mounting plate 20c2 of the connecting assembly, so as to clamp the component. It should be understood that: when the component enters the space formed by the sleeve 20c4 and the clamping member 20c3, the clamping member 20c3 rotates around the end connected with the connecting assembly at a certain angle, the clamping member 20c3 abuts against the outer wall of the component under the action of the elastic assembly, and the sleeve 20c4 guides the component.

Further, when the component is located in the space formed by the sleeve member 20c4 and the clamping member 20c3, the area of the sleeve member 20c4 corresponding to the component is larger than the area of the clamping member 20c3 corresponding to the component, that is, the clamping member 20c3 only needs to act on a small area of the component to clamp the component.

In one embodiment, as shown in fig. 4, the holding member 20c3 has a mounting hole 20c34, the holding member 20c3 is movably mounted on the mounting plate 20c2 through the mounting hole 20c34, and the holding member 20c3 is capable of rotating around an end near the mounting hole 20c34 under the action of external force. The clamping assembly with the telescopic function in the embodiment of the invention is further understood as follows: when the component enters the space formed by the clamping pieces 20c3 and the sleeve piece 20c4, the clamping pieces 20c3 expand outwards, and the clamping pieces 20c3 abut against the outer wall of the component under the action of the elastic component.

In one embodiment, as shown in fig. 4, the clip member 20c3 is provided with a protrusion 20c33, and when the clip member clips the component, the protrusion 20c33 abuts against the outer wall of the component. That is, the protrusion 20c33 protrudes from the space formed by the sleeve member 20c4 and the clamping member 20c3, so as to improve the clamping effect of the clamping member 20c3 and improve the stability of the device.

Preferably, the clamping assembly comprises a plurality of sleeve members 20c4 and a plurality of clamping members 20c3, the plurality of sleeve members 20c4 and the plurality of clamping members 20c3 are arranged at intervals, and the plurality of clamping members 20c3 are abutted on the outer wall of the component uniformly. The clamping pieces 20c3 clamp the parts uniformly from different positions, so that the phenomenon of angular deviation of the parts is avoided, the picking stability of the parts is improved, and the posture accuracy of the parts is improved.

In one embodiment, as shown in fig. 2 and 4, the sleeve member 20c4 and the holding member 20c3 have a first groove and a second groove 20c31 respectively on the outer wall thereof, and the elastic member is sleeved and abutted against the inner walls of the first groove and the second groove 20c 31. The width and depth of the first and second grooves 20c31 match the size of the elastic component, that is, the first and second grooves 20c31 match the elastic component when the elastic component is sleeved in the first and second grooves 20c31, and the elastic component is preferably, but not limited to, a sealing ring a with an O-shaped structure.

The first and second grooves 20c31 define the position of the sealing ring a on the sleeve member 20c4, and prevent the sealing ring a from shifting on the sleeve member 20c4, so that the plurality of clamping members 20c3 can uniformly act on the outer wall of the component, and the assembly precision of the device is improved.

Further, the outer walls of the sleeve 20c4 and the holding member 20c3 are respectively provided with a third groove and a fourth groove 20c32, the third groove and the fourth groove 20c32 are close to the edge of the sleeve 20c4, and the elastic component is sleeved and abutted on the inner walls of the third groove and the fourth groove 20c 32.

That is, two sealing rings a are sleeved on different positions on the outer wall of the sleeve member 20c4, the two sealing rings a improve the abutting force acting on the component, and in addition, the condition that one of the sealing rings a is prevented from being broken improves the safety and stability of the device.

Further, as shown in fig. 2, the clamping assembly further includes a limiting plate 20c5, the limiting plate 20c5 is detachably mounted on the outer wall of the sleeve member 20c4 and corresponds to the third groove, and the limiting plate 20c5 is used for abutting the elastic assembly on the outer wall of the sleeve member 20c 4. That is, the position of the sealing ring a on the outer wall of the sleeve member 20c4 is further limited by the limiting plate 20c5, and during the process of sleeving the clamping assembly on the component under the action of external force, the clamping member 20c3 moves outwards under the abutting force of the component to expand the sealing ring a outwards, and is easy to be separated from the outer wall of the sleeve member 20c4 at the moment of expanding the sealing ring a, so that the limiting plate 20c5 and the third groove are simultaneously limited to prevent the sealing ring a from being separated from the sleeve member 20c4, and the assembly stability of the device is improved.

In an embodiment, as shown in fig. 5, fig. 5 is a schematic structural diagram of an EXV valve provided in an embodiment of the present invention, and a hexagonal structure is disposed on the EXV valve. As shown in fig. 6, based on the hexagonal structure of the EXV valve, the clamping assembly in the embodiment of the present invention is provided with a hexagonal structure stopper 20c6 matching with the hexagonal structure of the EXV valve, and the stopper 20c6 further improves the precision and stability of the posture of the picking module 20c clamping the component.

It should be noted that: the structure of the limiting member 20c6 can be adaptively changed according to the structure of the specific component, and the embodiment of the invention is not limited, for example: the component parts are provided with a pentagonal structure, and the limiting pieces 20c6 are matched with the pentagonal structure.

In one embodiment, as shown in fig. 1, the tightening device body 20 further includes a transfer module 20a, the transfer module 20a is used for transferring the parts picked up by the pickup module 20c, the tightening module 20b is mounted on the transfer module 20a, the pickup module 20c moves down to above the parts in the transfer of the transfer module 20a, and the pickup module 20c is matched with the parts under the action of the tightening module 20b to pick up the parts. The transfer module 20a is preferably a multi-axis robot, but is not limited thereto, and the transfer module 20a may be a linear module, for example.

Further, the tightening device body 20 further includes a camera module 20d, the camera module 20d is fixedly mounted on the transfer module 20a, and the transfer module 20a and the tightening module 20b drive the pickup module 20c to move based on the position information acquired by the camera module 20 d. The transfer module 20a moves the pickup module 20c to a position directly above the component based on the position information of the component acquired by the camera module 20d, and the press unit drives the pickup module 20c to move downward based on the position information of the component acquired by the camera module 20d, so that the holding unit matches the component. The transfer module 20a transfers the components on the pickup module 20c into the ports of the flow path plate based on the position information of the flow path plate acquired by the camera module 20 d.

The camera module 20d comprises a camera and a light source, the camera is fixedly connected with the light source, the camera can obtain high-quality picture information under the irradiation of the light source, and the assembly precision of the device is further improved.

The tightening process of the embodiment of the invention is as follows:

one end movable mounting based on the holder is on coupling assembling, picks up the in-process of module downstream, and in the space that the spare part was impressed the sleeve part and holder formation to make protruding butt on the holder on the outer wall of spare part under elastic component's effect, in order to carry out the centre gripping to the spare part. During the process that the part enters the space formed by the sleeve part and the clamping part, the clamping part rotates around one end connected with the connecting component for a certain angle. The device utilizes the structure of self to accomplish the centre gripping to spare part, need not to connect air supply or power, and this tightening device simple structure cost is lower.

The embodiment of the invention also provides an assembling device for the motor vehicle parts, which comprises the screwing device for the motor vehicle parts, and the assembling device has lower cost and simple operation on the premise of simple structure and lower cost.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A tightening device for motor vehicle parts, characterized by comprising a tightening device body (20), the tightening device body (20) comprising:

a tightening module (20 b);

a pick-up module (20c) for picking up a motor vehicle component (b), the pick-up module (20c) being mounted on the tightening module (20b), the tightening module (20b) being configured to drive the pick-up module (20c) into motion; wherein,

the picking module (20c) comprises a connecting assembly, an elastic assembly and a clamping assembly, one end of the connecting assembly is fixedly connected with the screwing module (20b), the other end of the connecting assembly is fixedly connected with the clamping assembly, the elastic assembly is sleeved on the clamping assembly with a telescopic function, the part (b) abuts against the inner wall of the clamping assembly under the action of the elastic assembly, and the part (b) clamped by the clamping assembly is fastened on a runner plate of a motor vehicle under the driving of the screwing module (20 b).

2. The tightening device for motor vehicle parts according to claim 1, characterized in that the connecting assembly includes a connecting rod (20c1) and a mounting plate (20c2), the mounting plate (20c2) is fixedly mounted to one end of the connecting rod (20c1), and the other end of the connecting rod (20c1) is fixedly connected to the tightening module (20 b).

3. The tightening device for motor vehicle parts according to claim 1, wherein the clamping assembly comprises a sleeve member (20c4) and a clamping member (20c3), the sleeve member (20c4) and the clamping member (20c3) form a space matched with the parts, the sleeve member (20c4) is fixedly connected with the connecting assembly, the clamping member (20c3) is movably mounted on the connecting assembly, and the elastic assembly is simultaneously sleeved and abutted on the outer walls of the sleeve member (20c4) and the clamping member (20c 3).

4. The tightening device for motor vehicle parts according to claim 3, characterized in that the clamp member (20c3) is provided with a projection (20c33), and the projection (20c33) abuts on an outer wall of the part (b) when the clamp assembly clamps the part (b).

5. The tightening device for motor vehicle parts according to claim 3, characterized in that the sleeve member (20c4) and the clamping member (20c3) are provided on their outer walls with a first and a second groove (20c31), respectively, the elastic member being fitted around and abutting against the inner walls of the first and second grooves (20c31), the first and second grooves (20c31) matching the elastic member.

6. The tightening device for motor vehicle components according to claim 3, wherein the clamping assembly comprises a plurality of the sleeve members (20c4) and clamping members (20c3), a plurality of the sleeve members (20c4) and a plurality of the clamping members (20c3) are arranged at intervals, and a plurality of the clamping members (20c3) are evenly abutted against the outer wall of the component (b).

7. The tightening device for motor vehicle parts according to claim 3 or 5, characterized in that the outer walls of the sleeve member (20c4) and the clamping member (20c3) are further provided with third and fourth grooves (20c32), respectively, the third and fourth grooves (20c32) being close to the edge of the sleeve member (20c4), and the elastic member is fitted over and abutted against the inner walls of the third and fourth grooves (20c 32).

8. The tightening device for motor vehicle parts according to claim 7, characterized in that the clamping assembly further comprises a stopper plate (20c5), the stopper plate (20c5) being detachably mounted on the outer wall of the sleeve member (20c4) and corresponding to the third groove, the stopper plate (20c5) being used to abut the elastic assembly against the outer wall of the sleeve member (20c 4).

9. The tightening device for motor vehicle parts according to claim 1, characterized in that the tightening device body (20) further comprises a transfer module (20a), the transfer module (20a) being adapted to transfer the parts (b) picked up by the pick-up module (20c), the tightening module (20b) being mounted on the transfer module (20a), the pick-up module (20c) being moved down over the parts (b) upon transfer of the transfer module (20a) and being adapted to match the pick-up module (20c) with the parts (b) under the action of the tightening module (20b) to pick them.

10. An assembly device for motor vehicle components, characterized in that it comprises a pick-up device for motor vehicle components according to any one of claims 1 to 9.