CN214266666U

CN214266666U - Spot welding machine with positioning and clamping structure for preventing workpiece from being damaged

Info

Publication number: CN214266666U
Application number: CN202022717606.0U
Authority: CN
Inventors: 张旭; 张天波; 金三明
Original assignee: Jiangsu Asapu Intelligent Technology Co ltd
Current assignee: Jiangsu Asapu Intelligent Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-09-24
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a spot welder with tight structure of location clamp prevents work piece damage, including spot welder body, base, workstation and servo motor, the lower extreme fixed mounting of spot welder body has the base, and the upper end of base installs the workstation, the lower extreme fixed mounting of workstation has the protecting box, and the inboard middle part fixed mounting of protecting box has servo motor, servo motor's output fixed mounting has the transfer line, install on the threaded rod the outer end of belt pulley, install the carriage release lever on the threaded rod, the regulating plate is installed to the inboard of linking piece, the mid-mounting of sliding block has the support guide bar. This spot welder with work piece damage is prevented to location clamping structure can conveniently carry out stable spacing centre gripping to the work piece, reduces the work piece and takes place the not hard up possibility of skew, can play certain centre gripping cushioning effect to the work piece at the in-process of centre gripping simultaneously, avoids causing the damage because of the centre gripping dynamics is too big to the work piece.

Description

Spot welding machine with positioning and clamping structure for preventing workpiece from being damaged

Technical Field

The utility model relates to a spot welder correlation technique field specifically is a spot welder with work piece damage is prevented to location clamping structure.

Background

With the development of society, spot welding is generally required to be performed when some mechanical devices and some electronic components are processed, however, in order to effectively improve the working efficiency and the automation degree during spot welding, a spot welding machine is generally used for auxiliary work, most of spot welding machines adopt the principle of double-sided double-point over-current welding, and the spot welding machines can be classified into a universal type, a special type and the like according to the application during use.

However, the existing spot welding machine has the following problems:

1. when the existing spot welding machine works, a good limiting and fixing effect on a machined workpiece is not facilitated, so that the workpiece is easy to shift and loosen in the machining process, and further the subsequent normal spot welding operation is influenced;

2. when the existing spot welding machine is used for fixing a workpiece, certain clamping buffering effect is not convenient to play, so that the workpiece is easily damaged due to overlarge clamping force, and the practicability of the spot welding machine is greatly reduced.

Aiming at the problems, the novel design is carried out on the basis of the original spot welding machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spot welder with work piece damage is prevented to location clamp structure, in order to solve and to provide current spot welder in the above-mentioned background art at the during operation, be not convenient for play good spacing fixed action to the work piece of processing, thereby lead to the in-process work piece of processing to appear shifting phenomenon not hard up easily, and then influence follow-up normal spot welding operation, when fixing the work piece, be not convenient for play certain centre gripping cushioning effect, thereby the dynamics of easy centre gripping causes the damage to the work piece, and then the very big problem that has reduced spot welder self practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a spot welding machine with a positioning and clamping structure and capable of preventing workpieces from being damaged comprises a spot welding machine body, a base, a workbench and a servo motor, wherein the base is fixedly mounted at the lower end of the spot welding machine body, the workbench is mounted at the upper end of the base, a protective box is fixedly mounted at the lower end of the workbench, the servo motor is fixedly mounted in the middle of the inner side of the protective box, a transmission rod is fixedly mounted at the output end of the servo motor, a belt pulley is mounted on the transmission rod, the outer end of the belt pulley is mounted on a threaded rod, the upper end of the threaded rod is mounted inside a vertical fixing column, the vertical fixing column is fixedly mounted on the side of the upper end of the workbench, a movable rod is mounted on the threaded rod, a connecting block is fixedly mounted at the inner end of the movable rod, an adjusting plate is mounted on the inner side of the connecting block, anti-skid convex teeth are fixedly mounted on the side of the adjusting plate, and connecting rods are mounted at the outer ends of the anti-skid convex teeth, and the end of the connecting rod is arranged on the sliding block, the middle part of the sliding block is provided with a supporting guide rod, the end of the supporting guide rod is fixedly arranged in the connecting block, and the outer side of the supporting guide rod is provided with a return spring.

Preferably, the threaded rods are symmetrically arranged about a vertical central axis of the transmission rod, and the symmetrically distributed threaded rods are connected with the transmission rod through the belt pulley.

Preferably, the outer end of the moving rod is in threaded connection with the threaded rod, and the threads at the two ends of the threaded rod are opposite in direction.

Preferably, the connecting block and the moving rod are of a welding integrated structure, the outer end outer wall of the moving rod is attached to the inner wall of the vertical fixing column, and the moving rod is in sliding connection with the vertical fixing column.

Preferably, the inner of regulating plate has the equidistant evenly distributed antiskid dogtooth, and is connected for articulated formula between the regulating plate and the sliding block all and the tip of connecting rod.

Preferably, the inner wall of sliding block and the outer wall of supporting the guide bar laminate each other, and constitute sliding connection structure between sliding block and the supporting guide bar.

Compared with the prior art, the beneficial effects of the utility model are that: the spot welding machine with the positioning and clamping structure for preventing the workpiece from being damaged can be used for conveniently and stably limiting and clamping the workpiece, reducing the possibility of offset and looseness of the workpiece, and simultaneously playing a certain clamping and buffering role on the workpiece in the clamping process, so that the workpiece is prevented from being damaged due to overlarge clamping force;

1. the movable rod can synchronously move relative to the threaded rod under the action of reverse threads due to rotation of the threaded rod, the movable rod can drive the connecting block to synchronously move, the end part of a workpiece can be pressed by the movement of the connecting block, and meanwhile, the contact friction force between the movable rod and the workpiece can be increased through the anti-skidding convex teeth uniformly distributed on the inner side of the adjusting plate, so that the stability of the workpiece in fixing is improved;

2. the adjusting plate is arranged, the adjusting plate drives the connecting rod to move after being stressed, the connecting rod can move to push the sliding block to slide on the supporting guide rod, certain buffering effect can be achieved under the effect of the reset spring through the movement of the sliding block, and therefore damage to a workpiece due to overlarge clamping force in the clamping process is avoided.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic cross-sectional view of the threaded rod and the vertical fixing column of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is the utility model discloses a sliding block and support guide bar sectional structure sketch map.

In the figure: 1. a spot welder body; 2. a base; 3. a work table; 4. a protective box; 5. a servo motor; 6. a transmission rod; 7. a belt pulley; 8. a threaded rod; 9. a vertical fixing column; 10. a travel bar; 11. a joining block; 12. an adjusting plate; 13. anti-skid convex teeth; 14. a connecting rod; 15. a slider; 16. supporting the guide bar; 17. a return spring.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a spot welding machine with a positioning and clamping structure for preventing a workpiece from being damaged comprises a spot welding machine body 1, a base 2, a workbench 3, a protective box 4, a servo motor 5, a transmission rod 6, a belt pulley 7, a threaded rod 8, a vertical fixed column 9, a movable rod 10, a connecting block 11, an adjusting plate 12, anti-skidding convex teeth 13, a connecting rod 14, a sliding block 15, a supporting guide rod 16 and a reset spring 17, wherein the base 2 is fixedly arranged at the lower end of the spot welding machine body 1, the workbench 3 is arranged at the upper end of the base 2, the protective box 4 is fixedly arranged at the lower end of the workbench 3, the servo motor 5 is fixedly arranged in the middle of the inner side of the protective box 4, the transmission rod 6 is fixedly arranged at the output end of the servo motor 5, the belt pulley 7 is arranged on the transmission rod 6, the outer end of the belt pulley 7 is arranged on the threaded rod 8, the upper end of the threaded rod 8 is arranged inside the vertical fixed column 9, and the vertical fixed column 9 is fixedly arranged at the side of the upper end of the workbench 3, install the carriage release lever 10 on the threaded rod 8, and the inner fixed mounting of carriage release lever 10 has linking piece 11, adjusting plate 12 is installed to linking piece 11's inboard, and the avris fixed mounting of adjusting plate 12 has anti-skidding dogtooth 13, connecting rod 14 is installed to anti-skidding dogtooth 13's outer end, and the tip of connecting rod 14 is installed on sliding block 15, the mid-mounting of sliding block 15 has support guide bar 16, and the tip fixed mounting that supports guide bar 16 links up the inside of piece 11, and reset spring 17 is installed in the outside that supports guide bar 16.

The threaded rods 8 are symmetrically arranged about a vertical central axis of the transmission rod 6, the symmetrically distributed threaded rods 8 are connected with the transmission rod 6 through the belt pulley 7, and the threaded rods 8 can be driven to synchronously rotate under the action of the belt pulley 7 through the rotation of the transmission rod 6.

The outer end of the moving rod 10 is in threaded connection with the threaded rod 8, threads at two ends of the threaded rod 8 are opposite in trend, and the moving rod 10 can synchronously move relatively under the action of reverse threads due to rotation of the threaded rod 8.

Join in the piece 11 and be welding integral structure between the carriage release lever 10, and the outer end outer wall of carriage release lever 10 and the inner wall of vertical fixed column 9 laminate each other to be sliding connection between carriage release lever 10 and the vertical fixed column 9, the motion of carriage release lever 10 can drive and join in the piece 11 and carry out synchronous motion, laminates each other between the outer end outer wall of carriage release lever 10 and the vertical fixed column 9 simultaneously, thereby can avoid the carriage release lever 10 to follow threaded rod 8 and carry out synchronous rotation.

The inner of regulating plate 12 has equidistant evenly distributed's anti-skidding dogtooth 13, and is connected for articulated formula between the tip of regulating plate 12 and sliding block 15 all with connecting rod 14, thereby utilize regulating plate 12 inner evenly distributed's anti-skidding dogtooth 13 can increase with the work piece between the contact friction power, improve the stability when fixed to the work piece from this, the motion of regulating plate 12 can promote sliding block 15 under connecting rod 14's effect and carry out the simultaneous movement simultaneously.

The inner wall of the sliding block 15 and the outer wall of the supporting guide rod 16 are mutually attached, a sliding connection structure is formed between the sliding block 15 and the supporting guide rod 16, and the sliding block 15 and the supporting guide rod 16 are mutually attached, so that the stability of the sliding block 15 in the movement process on the supporting guide rod 16 can be improved.

The working principle is as follows: in using the spot welder provided with a locating and clamping arrangement to prevent damage to the workpiece, first according to the illustrations of figures 1-4, when a workpiece needs to be spot-welded, two ends of the workpiece are placed on the inner side of the adjusting plate 12, the servo motor 5 is started to enable the transmission rod 6 to rotate, the transmission rod 6 rotates to enable the threaded rod 8 to rotate under the action of the belt pulley 7, the threaded rod 8 rotates to enable the moving rod 10 to move towards the inner side of the vertical fixing column 9 under the action of reverse threads, the moving rod 10 moves to drive the connecting block 11 to synchronously move, the two ends of the workpiece can be clamped and fixed through the moving connecting block 11, and simultaneously, the anti-skid convex teeth 13 uniformly distributed at the inner end of the adjusting plate 12 are utilized, thereby improving the contact friction force between the workpiece and the workpiece, and improving the stability of the workpiece during fixing;

as shown in fig. 1, 3 and 4, in the process of fixing a workpiece, the adjusting plate 12 is stressed to drive the connecting rod 14 to move synchronously, the movement of the connecting rod 14 can push the sliding block 15 to move on the supporting guide rod 16, and at this time, the movement of the sliding block 15 can play a certain buffering role under the action of the return spring 17, so as to avoid unnecessary damage to the workpiece due to excessive clamping force.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spot welder with work piece damage is prevented to location clamping structure, includes spot welder body (1), base (2), workstation (3) and servo motor (5), its characterized in that: the spot welding machine is characterized in that a base (2) is fixedly mounted at the lower end of a spot welding machine body (1), a workbench (3) is mounted at the upper end of the base (2), a protective box (4) is fixedly mounted at the lower end of the workbench (3), a servo motor (5) is fixedly mounted in the middle of the inner side of the protective box (4), a transmission rod (6) is fixedly mounted at the output end of the servo motor (5), a belt pulley (7) is mounted on the transmission rod (6), the outer end of the belt pulley (7) is mounted on a threaded rod (8), the upper end of the threaded rod (8) is mounted inside a vertical fixing column (9), the vertical fixing column (9) is fixedly mounted on the side of the upper end of the workbench (3), a moving rod (10) is mounted on the threaded rod (8), a connecting block (11) is fixedly mounted at the inner end of the moving rod (10), an adjusting plate (12) is mounted on the inner side of the connecting block (11), and the avris fixed mounting of regulating plate (12) has anti-skidding dogtooth (13), connecting rod (14) are installed to the outer end of anti-skidding dogtooth (13), and the tip of connecting rod (14) is installed on sliding block (15), the mid-mounting of sliding block (15) has support guide bar (16), and the tip fixed mounting that supports guide bar (16) links up the inside of piece (11) to reset spring (17) are installed in the outside that supports guide bar (16).

2. A spot welder provided with a positioning and clamping structure for preventing damage to a workpiece according to claim 1, characterized in that: the threaded rods (8) are symmetrically arranged about a vertical central axis of the transmission rod (6), and the symmetrically distributed threaded rods (8) are connected with the transmission rod (6) through the belt pulley (7).

3. A spot welder provided with a positioning and clamping structure for preventing damage to a workpiece according to claim 1, characterized in that: the outer end of the moving rod (10) is in threaded connection with the threaded rod (8), and the threads at the two ends of the threaded rod (8) are opposite in trend.

4. A spot welder provided with a positioning and clamping structure for preventing damage to a workpiece according to claim 1, characterized in that: the connecting block (11) and the moving rod (10) are of a welding integrated structure, the outer end outer wall of the moving rod (10) is attached to the inner wall of the vertical fixing column (9), and the moving rod (10) is in sliding connection with the vertical fixing column (9).

5. A spot welder provided with a positioning and clamping structure for preventing damage to a workpiece according to claim 1, characterized in that: the inner of regulating plate (12) has equidistant evenly distributed anti-skidding dogtooth (13), and regulating plate (12) and sliding block (15) all are connected with the tip of connecting rod (14) for articulated formula.

6. A spot welder provided with a positioning and clamping structure for preventing damage to a workpiece according to claim 1, characterized in that: the inner wall of sliding block (15) and the outer wall of supporting guide bar (16) are mutually laminated, and a sliding connection structure is formed between sliding block (15) and supporting guide bar (16).