CN220196697U - Clamping and welding mechanism - Google Patents

Abstract

The utility model discloses a clamping and welding mechanism, which relates to the field of motor assembly equipment, and is technically characterized in that: the device comprises a frame, a longitudinal linear module arranged on the frame, a transverse linear module arranged on an output end of the longitudinal linear module, and a support arranged on the output end of the longitudinal linear module, wherein the support comprises a first support arm, a second support arm and a top wall connected between the first support arm and the second support arm, the first support arm is provided with a first welding head, the top wall is connected with a connecting block in a sliding manner, the connecting block is provided with a second welding head at the relative position of the first welding head, the second support arm is provided with a driving piece for driving the connecting block to face or deviate from the first welding head in a sliding manner, and an elastic piece is arranged between the output end of the driving piece and the connecting block. The utility model is not easy to generate poor contact and leads to the condition of virtual welding, thereby being beneficial to improving welding precision.

Description

Clamping and welding mechanism

Technical Field

The utility model relates to the field of motor assembly equipment, in particular to a clamping and welding mechanism.

Background

The clamping welding mechanism is a mechanism for enabling a positive electrode welding head and a negative electrode welding head to contact with a welding position of a workpiece in a clamping mode and welding the welding position of the workpiece, and the existing false welding mechanism generally comprises a manipulator, a clamping jaw cylinder arranged at an output end of the manipulator, and a positive electrode welding head and a negative electrode welding head which are respectively arranged on two clamping fingers of the clamping jaw cylinder.

The positive electrode welding head and the negative electrode welding head are clamped by the cylinder clamping jaw directly, and the positive electrode welding head and the negative electrode welding head are in hard contact with the welding position of the workpiece, so that the welding force of the welding position cannot be adjusted in a self-adaptive manner, and the welding precision is low.

There is therefore a need to propose a new solution to this problem.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a clamping welding mechanism which is not easy to cause poor contact and leads to the condition of cold welding, thereby being beneficial to improving welding precision.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a press from both sides welding mechanism, includes the frame, sets up the vertical sharp module in the frame and sets up the horizontal sharp module on vertical sharp module output, still including setting up the support on vertical sharp module output, the support includes relative first support arm, second support arm and the roof of connecting between first support arm and second support arm that sets up, be provided with first bonding tool on the first support arm, sliding connection has the connecting block on the roof, be provided with the second bonding tool in the relative position of first bonding tool on the connecting block, be provided with the drive piece that is used for driving the connecting block towards or deviate from first bonding tool to slide on the second support arm, be provided with the elastic component between the output of drive piece and the connecting block.

In one embodiment, a driving block is fixed at the output end of the driving piece, a guide groove is formed in the connecting block, a guide pillar is fixed on the driving block, one end of the guide pillar, far away from the driving block, is slidably connected in the guide groove, the guide groove is a stepped guide groove, a limiting part used for preventing the guide pillar from slipping out of the guide groove is arranged on the guide pillar, a spring is sleeved between the driving block and the connecting block on the guide pillar, a pressure sensor is fixed on the connecting block, a pressure trigger rod capable of being abutted against the pressure sensor is fixed on the driving block, and the length of the pressure trigger rod is smaller than the natural length of the spring and is larger than the limit compression length of the spring.

In one embodiment, the support is further provided with a displacement sensor for controlling the sliding stroke of the connecting block.

In one embodiment, the connecting block is connected with the top wall through a sliding rail pair.

In one embodiment, one of the first and second welding heads is a positive welding head and the other is a negative welding head.

In summary, the utility model has the following beneficial effects: according to the utility model, through the arrangement of the longitudinal linear module and the transverse linear module, the movement of the bracket in the Z axis and Y axis directions is realized, so that the first welding head and the second welding head can be accurately adjusted to the target welding position of the workpiece, and meanwhile, through the arrangement of the elastic piece, when the second welding head approaches to the first welding head to clamp the welding position of the workpiece, the second welding head can flexibly contact with the workpiece, so that the second welding head can be self-adaptively and tightly attached to the welding position of the workpiece, poor contact is not easy to occur, the condition of false welding is caused, and the improvement of welding precision is facilitated.

Drawings

FIG. 1 is a schematic view of a clip welding mechanism according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a driving block, a guide post, a spring, a pressure sensor and a pressure trigger rod in the clip welding mechanism according to the embodiment of the present application.

In the figure: 1. a frame; 2. a longitudinal straight line module; 3. a transverse straight line module; 4. a bracket; 41. a first support arm; 42. a second support arm; 5. a first welding head; 6. a second welding head; 7. a driving member; 8. sensing displacement; 9. a connecting block; 10. a driving block; 11. a guide post; 12. a spring; 13. a pressure sensor; 14. a pressure trigger lever.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

As shown in fig. 1 and 2, an embodiment of the present application provides a pinch welding mechanism, which includes a frame 1, a longitudinal linear module 2 disposed on the frame 1, and a transverse linear module 3 disposed on an output end of the longitudinal linear module 2. The device comprises a longitudinal linear module 2, and is characterized by further comprising a bracket 4 arranged at the output end of the longitudinal linear module 2, wherein the bracket 4 comprises a first supporting arm 41, a second supporting arm 42 and a top wall which is oppositely arranged and connected between the first supporting arm 41 and the second supporting arm 42, the first supporting arm 41 is provided with a first welding head 5, the top wall is slidably connected with a connecting block 9, the connecting block 9 is provided with a second welding head 6 at the opposite position of the first welding head 5, the second supporting arm 42 is provided with a driving piece 7 which is used for driving the connecting block 9 to slide towards or away from the first welding head 5, and an elastic piece is arranged between the output end of the driving piece 7 and the connecting block 9, and the driving piece 7 is an electric cylinder.

The arrangement of the longitudinal linear module 2 and the transverse linear module 3 in the above manner realizes the movement of the support 4 in the Z-axis and Y-axis directions, so that the target welding positions of the first welding head 5 and the second welding head 6 to the workpiece can be accurately regulated, and meanwhile, when the second welding head 6 approaches to the first welding head 5 to clamp the welding position of the workpiece through the arrangement of the elastic piece, the second welding head 6 can flexibly contact with the workpiece, so that the second welding head 6 can be self-adaptively attached to the welding position of the workpiece tightly, poor contact is not easy to occur, the condition of cold welding is caused, and the improvement of welding precision is facilitated.

In this embodiment, be fixed with driving piece 10 on the output of driving piece 7, the guide slot has been seted up on connecting block 9, be fixed with guide pillar 11 on the driving piece 10, the one end sliding connection that driving piece 10 was kept away from to guide pillar 11 is in the guide slot, the guide slot is the ladder guide slot, is provided with the spacing portion that is arranged in preventing guide pillar 11 from slipping in the guide slot on the guide pillar 11, the cover is equipped with spring 12 on the guide pillar 11 between driving piece 10 and connecting block 9, be fixed with pressure sensor 13 on the connecting block 9, be fixed with the pressure triggering lever 14 that can offset with pressure sensor 13 on the driving piece 10, the length of pressure triggering lever 14 is less than spring 12's natural length, and is greater than spring 12's limit compression length.

Through the arrangement, when the spring 12 is compressed to a certain amount, the pressure trigger rod 14 is propped against the pressure sensor 13, and when the pressure value reaches the target set value, the driving piece 7 stops outputting power, so that the clamping force of the workpiece between the first welding head 5 and the second welding head 6 can be accurately controlled.

In this embodiment, the support 4 is further provided with a displacement sensor 8 for controlling the sliding stroke of the connecting block 9.

In this embodiment, the connection block 9 is connected with the top wall through a sliding rail pair. Through the setting of slide rail pair for the slip of connecting block 9 is more stable smooth and easy.

In this embodiment, one of the first welding head 5 and the second welding head 6 is an anode welding head, and the other is a cathode welding head, and specifically, a resistance welding manner in the prior art is used to weld the workpiece, and the resistance welding manner is not described in detail in this embodiment.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (5)

1. The utility model provides a press from both sides welding mechanism, includes frame (1), sets up vertical sharp module (2) on frame (1) and sets up horizontal sharp module (3) on vertical sharp module (2) output, its characterized in that: still including setting up support (4) on the output of vertical sharp module (2), support (4) are including relative first support arm (41) that set up, second support arm (42) and connect the roof between first support arm (41) and second support arm (42), be provided with first bonding tool (5) on first support arm (41), sliding connection has connecting block (9) on the roof, be provided with second bonding tool (6) in the relative position of first bonding tool (5) on connecting block (9), be provided with on second support arm (42) and be used for driving connecting block (9) towards or deviate from first bonding tool (5) drive piece (7) slidingly, be provided with the elastic component between the output of drive piece (7) and connecting block (9).

2. The clip welding mechanism of claim 1, wherein: the driving piece (7) is fixed with driving piece (10) on the output, the guide slot has been seted up on connecting block (9), be fixed with guide pillar (11) on driving piece (10), one end sliding connection that driving piece (10) was kept away from to guide pillar (11) is in the guide slot, the guide slot is the ladder guide slot, is provided with the spacing portion that is used for preventing the slippage in guide pillar (11) follow the guide slot on guide pillar (11), the cover is equipped with spring (12) between driving piece (10) and connecting block (9) on guide pillar (11), be fixed with pressure sensor (13) on connecting block (9), be fixed with pressure triggering lever (14) that can offset with pressure sensor (13) on driving piece (10), the length of pressure triggering lever (14) is less than the natural length of spring (12), and is greater than the limit compression length of spring (12).

3. The clip welding mechanism of claim 1, wherein: the bracket (4) is also provided with a displacement sensor (8) for controlling the sliding travel of the connecting block (9).

4. The clip welding mechanism of claim 1, wherein: the connecting block (9) is connected with the top wall through a sliding rail pair.

5. The clip welding mechanism of claim 1, wherein: one of the first welding head (5) and the second welding head (6) is a positive electrode welding head, and the other is a negative electrode welding head.