CN216829113U

CN216829113U - Spot welding machine convenient to operation

Info

Publication number: CN216829113U
Application number: CN202220343494.3U
Authority: CN
Inventors: 陆辉
Original assignee: Suzhou Changersheng Commercial Equipment Co ltd
Current assignee: Suzhou Changersheng Commercial Equipment Co ltd
Priority date: 2022-02-19
Filing date: 2022-02-19
Publication date: 2022-06-28
Anticipated expiration: 2032-02-19

Abstract

The application relates to a spot welder convenient to operation relates to spot welder technical field, aims at improving the comparatively complicated problem of process that operating personnel need manually support work piece cooperation spot welding. A spot welding machine convenient to operate comprises a machine body and two groups of electric welding rods arranged on the outer side wall of the machine body; the side wall of the machine body close to the welding rods is provided with two groups of pushing pieces opposite to the welding rods, and the two pushing pieces are both positioned between the two welding rods; the output end of each pushing piece is provided with a fixed block, the side walls, close to each other, of the two fixed blocks are provided with sliding grooves, and each sliding groove is internally provided with a clamping assembly used for clamping a workpiece. This application has the effect of realizing mechanical clamping work piece fast and conveniently carrying out work piece spot welding.

Description

Spot welding machine convenient to operation

Technical Field

The application relates to the technical field of spot welding machines, in particular to a spot welding machine convenient to operate.

Background

At present, a spot welding machine pressurizes a workpiece through two electrodes, so that two layers of metal form contact resistance under the pressure of the two electrodes, and when welding current of the spot welding machine rapidly circulates in the two electrodes, instant thermal welding can be formed at the contact resistance, so that the metal is welded.

In the related art, a spot welding machine includes a machine body and two sets of oppositely disposed welding rods disposed on an outer side wall of the machine body, wherein a driving assembly for driving one set of welding rods to move toward the other set of welding rods is disposed on the outer side wall of the machine body. An operator can manually adjust and align the workpieces to be welded, place the workpieces between the two groups of welding rods, and control the two welding rods to clamp the workpieces through the driving assembly, so that the workpieces are spot-welded.

In view of the related art described above, the inventors have found that at least the following problems exist in the art: in the process of spot welding, an operator needs to manually support the workpiece to match spot welding, the operation process is troublesome, the efficiency of spot welding of the workpiece is easily influenced, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the comparatively complicated problem of process that operating personnel need manually support work piece cooperation spot welding, this application provides a spot welder convenient to operation.

The application provides a spot welder convenient to operation adopts following technical scheme:

a spot welding machine convenient to operate comprises a machine body and two groups of electric welding rods arranged on the outer side wall of the machine body; the side wall of the machine body close to the welding rods is provided with two groups of pushing pieces opposite to the welding rods, and the two pushing pieces are both positioned between the two welding rods; the output end of each pushing piece is provided with a fixed block, the side walls, close to each other, of the two fixed blocks are provided with sliding grooves, and each sliding groove is internally provided with a clamping assembly used for clamping a workpiece.

Through adopting above-mentioned technical scheme, operating personnel will treat that welded work piece carries out quick centre gripping through the centre gripping subassembly, the output of control impeller contracts, in order to remove the work piece that the centre gripping finishes to the working range of two electric welding rods, thereby realize mechanical centre gripping work piece and carry out the quick spot welding of work piece, the loaded down with trivial details degree of operating personnel manual support work piece and cooperation spot welder work has been reduced, operator's both hands have been liberated so that operate spot welder, the phenomenon emergence of touching with the electric welding rod when having reduced operating personnel to support the work piece has simultaneously been improved, operating personnel's operation spot welder's security has been improved.

Preferably, the clamping assembly comprises a fixed clamping plate, a movable clamping plate, a driving motor and a rotating screw rod; the fixed clamping plate is fixedly arranged at one end of the sliding groove in the length direction, and the movable clamping plate is arranged in the sliding groove in a sliding manner; the driving motor is arranged at one end, far away from the fixed clamping plate, of the fixed block, the screw rod is rotated and arranged between the driving motor and the fixed clamping plate, and the screw rod is rotated and connected with the movable clamping plate in a threaded mode.

Through adopting above-mentioned technical scheme, operating personnel control driving motor's output rotates, drives and rotates the lead screw and rotate, rotates the lead screw and drives and move splint and remove along the length direction of rotation lead screw to realize moving splint and decide quick centre gripping and the pine of splint to the work piece and unload.

Preferably, a plurality of rolling grooves are formed in the inner side wall of the sliding groove, and each rolling groove is internally provided with a ball capable of abutting against the movable clamping plate in a rotating manner.

Through adopting above-mentioned technical scheme, the ball makes the sliding friction who moves splint and sliding tray inside wall change into rolling friction, has reduced the frictional resistance when moving splint and moving along the length direction of sliding tray, has reduced the load burden to driving motor's work, has ensured driving motor's life, has improved the translation rate that moves splint simultaneously to realize that the quick centre gripping of centre gripping subassembly to the work piece unloads with the pine.

Preferably, the outer fringe cover of rotation lead screw is equipped with the elastic component, elastic component one end links to each other with the lateral wall that moves splint and keep away from fixed splint, the elastic component other end links to each other with the inside wall of sliding tray, elastic component accessible self elasticity promotes to move the splint orientation and moves near the direction of fixed splint.

By adopting the technical scheme, when the driving motor drives the movable clamping plate and the fixed clamping plate to be mutually abutted, the elastic piece can enable the movable clamping plate to be kept abutted against the fixed clamping plate through the elasticity of the elastic piece, so that the clamping degree of the clamping assembly to the workpiece is guaranteed; meanwhile, when the pushing piece drives the workpiece to move, the elastic piece can absorb the shaking acting force of the workpiece, and the clamping stability of the clamping assembly on the workpiece is improved.

Preferably, the side walls of the fixed clamping plate and the movable clamping plate, which are close to each other, are provided with insulating layers.

By adopting the technical scheme, the insulating layer reduces the power utilization harm to the pushing piece, the driving motor and a human body when two electric welding rods perform spot welding on a workpiece, and improves the use safety of the spot welding machine; the soft insulating layer increases the clamping stability of the clamping assembly to the workpiece.

Preferably, a mounting groove is formed in the side wall, close to the pushing member, of the machine body, a telescopic member is arranged in the mounting groove, the output end of the telescopic member is connected with the pushing member, and the output end of the telescopic member can drive the pushing member to slide along the length direction of the mounting groove.

By adopting the technical scheme, the output end of the telescopic piece of the operator can be stretched to adjust the positions of the pushing piece and the workpiece relative to the position between the two welding rods; when the clamping assembly clamps workpieces with different thicknesses, the telescopic piece can adjust the position of the workpieces, so that two welding rods can conveniently perform electric welding work on the workpieces, and the overall practicability of the spot welding machine is improved.

Preferably, a limiting plate for limiting the pushing piece to be separated from the mounting groove is arranged at one end, close to the machine body, of the pushing piece, and a limiting groove for the limiting plate to abut into is formed in the inner side wall of the mounting groove.

Through adopting above-mentioned technical scheme, when the impeller slided along the length direction of mounting groove, the limiting plate can slide along the length direction of spacing groove, and the limiting plate offsets with the inside wall of spacing groove to the restriction impeller breaks away from the mounting groove, has ensured the normal action when the extensible member drives the impeller and removes.

Preferably, a connecting rod is arranged between the two pushing pieces, and a level gauge is arranged on the outer side wall of the connecting rod.

By adopting the technical scheme, the connecting plate enables the extending lengths of the output ends of the two pushing pieces to be consistent, and the level meter enables an operator to visually observe whether the two pushing pieces are at the same horizontal height, so that the operator can conveniently and conveniently use the spot welding machine; an operator can adjust the position of the pushing piece through the level gauge so as to carry out spot welding on the workpiece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving motor is arranged to drive the rotating screw rod to rotate, so that the movable clamping plate moves along the length direction of the rotating screw rod, and the clamping assembly can rapidly clamp and release the workpiece; the output end of the pushing piece is controlled to stretch, so that both hands of an operator are liberated, the complexity of holding a workpiece and operating a spot welding machine by the operator is reduced, and the workpiece mechanically clamped is mechanically and quickly subjected to spot welding.

2. The push piece is driven to move along the height direction of the machine body through the telescopic piece, and the push piece is limited by the limiting plate to be separated from the mounting groove, so that the push piece and the workpiece can be quickly adjusted relative to the relative positions of the two welding rods, and the convenience and the practicability of the spot welding machine are improved.

Drawings

FIG. 1 is a schematic diagram of a spot welder for ease of operation in accordance with an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an exploded view of the interface between the clamping assembly, pusher member and housing.

Description of reference numerals:

1. a body; 11. welding rods; 12. a pusher member; 121. a fixed block; 1211. a sliding groove; 1212. a rolling groove; 1213. a ball bearing; 122. a limiting plate; 123. a connecting rod; 1231. a level gauge; 13. mounting grooves; 131. a telescoping member; 132. a limiting groove; 2. a clamping assembly; 21. fixing the clamping plate; 211. an insulating layer; 22. a movable clamping plate; 23. a drive motor; 24. rotating the screw rod; 241. an elastic member.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses spot welder convenient to operation.

Referring to fig. 1 and 2, a spot welder easy to operate includes a machine body 1 placed on the ground and two sets of welding rods 11 connected to the outer side wall of the machine body 1, and the two sets of welding rods 11 are distributed along the length direction of the machine body 1. Two groups of pushing pieces 12 are connected to the side wall of the machine body 1 close to the welding rod 11, and in the embodiment, the pushing pieces 12 are pushing cylinders. Two groups of pushing pieces 12 are respectively positioned at two sides of the electric welding rods 11, and the two groups of pushing pieces 12 are positioned between the two groups of electric welding rods 11.

Referring to fig. 1 and 2, the output end of each pushing member 12 is welded and fixed with a fixing block 121, the side walls of the two fixing blocks 121 close to each other are provided with a sliding groove 1211, and the sliding groove 1211 extends in the vertical direction. A clamping unit 2 for clamping a workpiece is connected to the inside of the slide groove 1211.

Referring to fig. 1 and 2, the clamping assembly 2 includes a fixed clamping plate 21, a movable clamping plate 22, a driving motor 23 and a rotating screw 24, and in the present embodiment, both the fixed clamping plate 21 and the movable clamping plate 22 are made of plastic with poor conductivity. One end in the longitudinal direction of the fixed clip plate 21 is welded and fixed to the slide groove 1211, and the fixed clip plate 21 is positioned at one end in the longitudinal direction of the slide groove 1211. One end of the movable clamp 22 in the longitudinal direction is located inside the sliding groove 1211, and the movable clamp 22 can slide along the longitudinal direction of the sliding groove 1211. The insulating layer 211 is adhered and fixed on the side walls of the fixed clamping plate 21 and the movable clamping plate 22 which are close to each other, in the embodiment, the insulating layer 211 can be made of rubber, so that the power utilization accidents caused by the working of the spot welding machine are reduced, and the use safety of the spot welding machine is improved.

Referring to fig. 1 and 2, the driving motor 23 is welded to an end of the fixing block 121 away from the fixing plate 21, and the rotating screw 24 is located inside the sliding groove 1211. One end of the rotating screw rod 24 is rotatably connected with the fixed clamping plate 21 through a bearing, the other end of the rotating screw rod 24 is rotatably connected with the inner side wall of the sliding groove 1211 through a bearing, and one end of the rotating screw rod 24 far away from the fixed clamping plate 21 is fixedly welded with the output end of the driving motor 23. The rotating screw rod 24 penetrates through the movable clamping plate 22, and the rotating screw rod 24 is in threaded connection with the movable clamping plate 22. When the output end of the driving motor 23 drives the rotating screw 24 to rotate, the movable clamp 22 is driven to slide along the length direction of the sliding groove 1211.

Referring to fig. 1 and 2, an elastic member 241 is sleeved on an outer edge of the rotating screw 24, and in this embodiment, the elastic member 241 is a spring. One end of the elastic member 241 is welded to the side wall of the movable clamp 22 close to the driving motor 23, and the other end of the elastic member 241 is welded to the inner side wall of the sliding groove 1211. The elastic member 241 can push the movable clamp plate 22 to move toward the fixed clamp plate 21 by its own elastic force.

Referring to fig. 1 and 2, a plurality of rolling grooves 1212 are uniformly formed in the inner sidewall of the sliding groove 1211, a ball 1213 is rotatably connected to the inside of each rolling groove 1212, and the ball 1213 can abut against the outer sidewall of the movable clamp 22, so that a friction force generated between the movable clamp 22 and the fixed block 121 when the movable clamp 22 moves is reduced.

Referring to fig. 1 and 2, a mounting groove 13 is formed in a side wall of the machine body 1 close to the pushing member 12, and the mounting groove 13 extends along a height direction of the machine body 1. The inner side wall of the mounting groove 13 is welded and fixed with a telescopic piece 131, and in the embodiment, the telescopic piece 131 is a telescopic cylinder. One end of the pushing piece 12 close to the machine body 1 is positioned in the mounting groove 13, and the output end of the telescopic piece 131 is welded and fixed with the pushing piece 12. When the output end of the telescopic member 131 is extended, the pushing member 12 can be driven to move along the height direction of the machine body 1.

Referring to fig. 1 and 3, a limiting plate 122 is welded and fixed at one end of the pushing member 12 close to the machine body 1, and a limiting groove 132 for the limiting plate 122 to abut into is formed in an inner side wall of the mounting groove 13. When the output end of the telescopic member 131 drives the pushing member 12 to slide along the length direction of the mounting groove 13, the limiting plate 122 can slide along the length direction of the limiting groove 132, so as to limit the pushing member 12 to be separated from the mounting groove 13.

Referring to fig. 1 and 3, a connecting rod 123 is welded and fixed between the mutually close side walls of the two groups of pushing members 12, and a level 1231 is adhered and fixed on the outer side wall of the connecting rod 123 for visually displaying whether the two pushing members 12 are at the same vertical height.

The implementation principle of the spot welder convenient to operate of the embodiment of the application is as follows:

an operator places a workpiece to be welded between the two groups of clamping assemblies 2, and the outer side wall of the workpiece is abutted against the side wall of the fixed clamping plate 21 close to the movable clamping plate 22. The output end of the driving motor 23 is controlled to rotate positively to drive the rotating screw rod 24 to rotate positively, so that the movable clamping plate 22 moves towards the direction close to the fixed clamping plate 21, and the movable clamping plate 22 and the fixed clamping plate 21 can clamp the workpiece quickly.

The output end of the telescopic member 131 is controlled to contract, and the pushing member 12 is driven to move along the height direction of the machine body 1, so that the workpiece is adjusted between the two welding rods 11. The output end of the pushing piece 12 is controlled to contract so as to drive the workpiece to move towards the machine body 1, so that the workpiece is mechanically clamped and rapid spot welding is carried out.

After the workpiece is subjected to spot welding, the output end of the pushing piece 12 is controlled to extend out to drive the workpiece to be separated from the working range of the two welding rods 11; finally, the output end of the driving motor 23 is controlled to drive the rotating screw rod 24 to rotate reversely, so that the movable clamping plate 22 is separated from clamping the workpiece, an operator can take out the workpiece after spot welding, and the safety of the workpiece spot welding process is further improved.

The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited in sequence, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A spot welding machine convenient to operate comprises a machine body (1) and two groups of electric welding rods (11) arranged on the outer side wall of the machine body (1); the method is characterized in that: the side wall of the machine body (1) close to the welding rods (11) is provided with two groups of pushing pieces (12) opposite to the welding rods (11), and the two pushing pieces (12) are both positioned between the two welding rods (11); the output end of each pushing piece (12) is provided with a fixing block (121), the side walls, close to each other, of the two fixing blocks (121) are provided with sliding grooves (1211), and each sliding groove (1211) is internally provided with a clamping assembly (2) used for clamping a workpiece.

2. A spot welder for facilitating the handling of the same, as set forth in claim 1, characterized by: the clamping assembly (2) comprises a fixed clamping plate (21), a movable clamping plate (22), a driving motor (23) and a rotating screw rod (24); the fixed clamping plate (21) is fixedly arranged at one end of the sliding groove (1211) in the length direction, and the movable clamping plate (22) is arranged in the sliding groove (1211) in a sliding manner; driving motor (23) set up in fixed block (121) keep away from the one end of deciding splint (21), it sets up between driving motor (23) and deciding splint (21) to rotate lead screw (24), rotate lead screw (24) and move splint (22) threaded connection.

3. A spot welder for facilitating the handling of the same, according to claim 2, characterized by: a plurality of rolling grooves (1212) are formed in the inner side wall of the sliding groove (1211), and balls (1213) which can abut against the movable clamping plate (22) are rotatably arranged in each rolling groove (1212).

4. A spot welder for facilitating the handling of the same, according to claim 2, characterized by: the outer fringe cover of rotation lead screw (24) is equipped with elastic component (241), elastic component (241) one end links to each other with the lateral wall that moves splint (22) and keep away from deciding splint (21), the elastic component (241) other end links to each other with the inside wall of sliding tray (1211), elastic component (241) accessible self elasticity promotes to move splint (22) orientation and is close to the direction of deciding splint (21) and removes.

5. A spot welder easy to operate according to claim 4, characterized in that: and the side walls of the fixed clamping plate (21) and the movable clamping plate (22) which are close to each other are provided with insulating layers (211).

6. A spot welder for facilitating the handling of the same, as set forth in claim 1, characterized by: the side wall of the machine body (1) close to the pushing piece (12) is provided with a mounting groove (13), an expansion piece (131) is arranged in the mounting groove (13), the output end of the expansion piece (131) is connected with the pushing piece (12), and the output end of the expansion piece (131) can drive the pushing piece (12) to slide along the length direction of the mounting groove (13).

7. A spot welder easy to operate according to claim 6, characterized in that: one end, close to the machine body (1), of the pushing piece (12) is provided with a limiting plate (122) used for limiting the pushing piece (12) to be separated from the mounting groove (13), and the inner side wall of the mounting groove (13) is provided with a limiting groove (132) for the limiting plate (122) to abut into.

8. A spot welder for facilitating the handling of said workpiece according to claim 7, characterized by: a connecting rod (123) is arranged between the two pushing pieces (12), and a level gauge (1231) is arranged on the outer side wall of the connecting rod (123).