CN217799536U

CN217799536U - Resistance spot welding machine that can switch over fast

Info

Publication number: CN217799536U
Application number: CN202222018395.0U
Authority: CN
Inventors: 杜会生; 胡卫东; 冯彬; 王华彪
Original assignee: Teli New Energy Huizhou Co ltd
Current assignee: Teli New Energy Huizhou Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-15
Anticipated expiration: 2032-08-02

Abstract

The utility model provides a resistance spot welding machine that can fast switch over. Resistance spot welding machine that can fast switch over includes the spot welder body, fixed mounting has a plurality of holding framves on the spot welder body, and is a plurality of install a plurality of holding pieces on the holding frame, it is a plurality of install two positioning mechanism on the holding frame respectively, positioning mechanism includes: the clamping device comprises a frame-shaped block, a first screw, a moving block, a movable groove, a fixing block, a second screw, a rectangular block, a motor, a rack, a circular block, a plurality of tooth grooves and a limiting plate, wherein the frame-shaped block is fixedly installed on the clamping frame, the first screw is rotatably installed on the frame-shaped block, the moving block is installed on the first screw in a threaded mode, and the movable groove is formed in one side of the moving block. The utility model provides a resistance spot welding machine that can fast switch over has the operation comparatively convenient, can calibrate, improve the advantage of the unity that the position was placed to the welding work piece to the position of welding work piece.

Description

Resistance spot welding machine that can fast switch over

Technical Field

The utility model relates to a spot welder technical field especially relates to a resistance spot welder that can fast switch over.

Background

The spot welder is the most advanced equipment of hindering that welds at present, adopts two-sided two points to flow over current welding's principle, and two electrode pressurization work pieces of during operation make two-layer metal form certain contact resistance under the pressure of two electrodes, and welding current forms instantaneous heat welding at two contact resistance points when flowing through another electrode from an electrode, and welding current flows to this electrode formation return circuit along two work pieces from another electrode in the twinkling of an eye to can not hinder by the inner structure of welding work piece, the spot welder has better practical value in numerous fields, among the prior art, a resistance welding spot welder that can switch over fast is disclosed, including spot welder body, the outside surface of spot welder body has cup jointed the adjustable ring, the below position of adjustable ring is located the side surface of spot welder body and has fixed drive motor through the bolt, drive bearing has been cup jointed on drive motor's output shaft, drive bearing and adjustable ring side surface pass through the insection meshing connection, the inside of spot welder body is equipped with first regulation lead screw, first regulation lead screw drives through drive motor, and drives the steady electrode block when first regulation lead screw and the holding block and the drive motor produces when the holding piece and can carry out the high displacement of the processing of the work piece of the drive motor to the work piece of the drive of the holding of the drive of this spot welder, can adjust the work piece to the work piece of the use of the drive motor to carry out the quick change-over of the high of the holding of the work piece of the drive of this spot welder.

However, still have the weak point among this prior art, above-mentioned utility model in cooperate through holding frame and two holding pieces and fix welding workpiece, when welding workpiece arranged in between two holding pieces, the position of welding workpiece both sides can't be confirmed, can't guarantee the accuracy that welding workpiece placed the position to can lead to welding workpiece to accomplish in the course of working that the processing position can't be unified, influence the accurate degree of welding workpiece processing easily.

Therefore, there is a need to provide a new resistance spot welding machine capable of fast switching to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a resistance spot welder that can fast switch over that the operation is comparatively convenient, can calibrate, improve the uniformity that the position was placed to the welding work piece the position.

In order to solve the technical problem, the utility model provides a resistance spot welding welder that can fast switch over, include: the spot welder body, fixed mounting has a plurality of holding framves on the spot welder body, it is a plurality of install a plurality of holding pieces on the holding frame, it is a plurality of install two positioning mechanism on the holding frame respectively, positioning mechanism includes: the clamping device comprises a frame block, a first screw rod, a moving block, a moving groove, a fixing block, a second screw rod, a rectangular block, a motor, a rack, a circular block, a plurality of tooth grooves and a limiting plate, wherein the frame block is fixedly installed on a clamping frame, the first screw rod is rotatably installed on the frame block, the moving block is in threaded installation on the first screw rod, the moving groove is formed in one side of the moving block, the fixing block is fixedly installed on the moving block, the second screw rod is rotatably installed on the fixing block, the rectangular block is in threaded installation on the second screw rod, the motor is installed on one side of the fixing block, an output shaft of the motor is fixedly connected with one end of the second screw rod, the rack is fixedly installed on one side of the rectangular block, the circular block is rotatably installed in the moving groove, the tooth grooves are formed in the circular block, the tooth grooves are matched with the rack, and the limiting plate is fixedly installed on one side of the circular block.

Preferably, the same butt plate is fixedly installed between the inner walls of the two sides of the frame-shaped block, a sliding hole is formed in the butt plate, a limiting block is fixedly installed on one side of the moving block, and the limiting block is installed in the sliding hole in a sliding mode.

Preferably, two bar grooves, two have been seted up on the both sides inner wall of activity groove bar inslot slidable mounting has two sliding blocks, two the sliding block all with rectangular block fixed connection.

Preferably, the same butt joint round rod is fixedly installed between the inner walls of the two sides of the movable groove, and the butt joint round rod is rotatably connected with the round block.

Preferably, the same circular rod is fixedly mounted between the inner walls of the two sides of the movable groove, the joining block is fixedly mounted on the circular block, and the joining block is in contact with the circular rod.

Preferably, the mounting groove has been seted up on the limiting plate, fixed mounting has a plurality of circular bull sticks, and is a plurality of between the both sides inner wall of mounting groove rotate the cover on the circular bull stick and be equipped with circular section of thick bamboo.

Preferably, a protective cover is fixedly mounted on the fixing block and fixedly connected with the motor, and a plurality of air holes are formed in the protective cover.

Compared with the prior art, the utility model provides a resistance spot welding machine that can fast switch over has following beneficial effect:

through setting up a plurality of positioning mechanism on the spot welder body, thereby can rectify the position of the both sides of the welding workpiece who has placed, thereby make the welding workpiece be located fixed position department, so as to guarantee the unity of welding workpiece processing, the form that two limiting plates set to the regulation can adapt to the welding workpiece of the different specifications in the certain limit, be the pivoted form with two limiting plate settings, can make things convenient for the welding workpiece to put into between two limiting plates more, prevent that the welding workpiece from appearing blocking at the in-process of placeeing.

Drawings

Fig. 1 is a schematic diagram of a partially overlooked cross-sectional structure of a preferred embodiment of a resistance spot welding machine capable of fast switching according to the present invention;

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

FIG. 3 is an enlarged schematic view of portion B shown in FIG. 2;

fig. 4 is the side view assembly drawing of the middle moving block, the moving groove, the second screw rod and the rectangular block.

Reference numbers in the figures: 1. a spot welder body; 2. a clamping frame; 3. a clamping piece; 4. a frame block; 5. a first screw; 6. a moving block; 7. a movable groove; 8. a fixed block; 9. a second screw; 10. a rectangular block; 11. a motor; 12. a rack; 13. a circular block; 14. a tooth socket; 15. and a limiting plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic diagram of a partial top cross-sectional structure of a resistance spot welding machine capable of fast switching according to a preferred embodiment of the present invention; FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1; FIG. 3 is an enlarged schematic view of portion B shown in FIG. 2; fig. 4 is a side view assembly drawing of the middle moving block, the moving groove, the second screw rod and the rectangular block. Resistance spot welding machine that can switch over fast includes: spot welder body 1, fixed mounting has a plurality of holding frames 2 on the spot welder body 1, and a plurality of holding frames 2 are the annular array and distribute, installs a plurality of holding pieces 3 on a plurality of holding frames 2, all installs two holding pieces 3 on every holding frame 2, and two liang of mutual adaptations of correspondence of a plurality of holding pieces 3 install two positioning mechanism on a plurality of holding frames 2 respectively, and positioning mechanism includes: the device comprises a frame-shaped block 4, a first screw rod 5, a movable block 6, a movable groove 7, a fixed block 8, a second screw rod 9, a rectangular block 10, a motor 11, a rack 12, a circular block 13, a plurality of tooth grooves 14 and a limiting plate 15, wherein the frame-shaped block 4 is fixedly arranged on a clamping frame 2, the first screw rod 5 is rotatably arranged on the frame-shaped block 4, one end of the first screw rod 5 is fixedly provided with an adjusting block, the movable block 6 is in threaded arrangement on the first screw rod 5, the movable groove 7 is arranged on one side of the movable block 6, the fixed block 8 is fixedly arranged on the movable block 6, the second screw rod 9 is rotatably arranged on the fixed block 8, the rectangular block 10 is in threaded arrangement on the second screw rod 9, the rectangular block 10 is provided with a circular groove, the circular groove is matched with the second screw rod 9, the inner wall of the circular groove is provided with an internal thread, the internal thread is meshed with the thread groove on the second screw rod 9, one side of rectangular block 10 is inlayed and is had a plurality of rolling beads, a plurality of rolling beads all contact with one side of movable block 6, reduce the wearing and tearing that rectangular block 10 received through the rolling bead, motor 11 installs in one side of fixed block 8, motor 11's output shaft and second screw rod 9's one end fixed connection, rack 12 fixed mounting is on one side of rectangular block 10, fixed mounting has same butt joint round bar between the both sides inner wall of activity groove 7, circular block 13 rotates through the butt joint round bar and installs in activity groove 7, the rotation central point of circular block 13 has been confirmed to the butt joint round bar, a plurality of tooth's socket 14 all set up on circular block 13, a plurality of tooth's socket 14 are annular array and distribute, a plurality of tooth looks adaptations that set up on a plurality of tooth's socket 14 and the rack 12, limiting plate 15 fixed mounting is on one side of circular block 13.

In order to limit the movement direction of the moving block 6, the stability of the limiting plate 15 is increased, and the two sides of the limiting plate 15 are kept stable, in the embodiment, preferably, the same butt plate is fixedly installed between the inner walls of the two sides of the frame-shaped block 4, a sliding hole is formed in the butt plate, a limiting block is fixedly installed on one side of the moving block 6, and the limiting block is slidably installed in the sliding hole.

In order to restrict the motion trend of rectangular block 10, restrict the home range of rectangular block 10, increase rectangular block 10's stability simultaneously, in this embodiment, preferably, seted up two bar grooves on the both sides inner wall of movable groove 7, two bar inslot slidable mounting have two sliding blocks, two sliding blocks all with rectangular block 10 fixed connection.

In order to limit the rotation range of the circular block 13 and ensure that the limit plate 15 can be adjusted to be horizontal, in this embodiment, it is preferable that the same circular rod is fixedly installed between the two inner walls of the movable groove 7, and an engagement block is fixedly installed on the circular block 13 and contacts with the circular rod.

In order to reduce the wear of limiting plate 15, in this embodiment, preferably, the mounting groove has been seted up on the limiting plate 15, and fixed mounting has a plurality of circular bull sticks between the both sides inner wall of mounting groove, rotates the cover on a plurality of circular bull sticks and is equipped with a circular section of thick bamboo.

In order to protect the motor 11 and ensure that heat generated by the motor 11 in the protective cover can be dissipated in time, in the embodiment, preferably, the protective cover is fixedly mounted on the fixed block 8 and is fixedly connected with the motor 11, and a plurality of air holes are formed in the protective cover.

The utility model provides a resistance spot welding welder that can fast switch over's theory of operation as follows:

after placing welding workpiece between two holding pieces 3, in order to confirm the placing position of welding workpiece, guarantee the accuracy of the next processing position of welding workpiece, the positioning mechanism that sets up on spot welder body 1 can be utilized to calibrate the position of welding workpiece, during operation, when welding workpiece is located behind two holding pieces 3, two motors 11 that set up on corresponding holding frame 2 will start simultaneously, motor 11 drives second screw 9 of fixed connection with it and rotates, when second screw 9 rotates, receive the influence of screw thread and the cooperation restriction of two sliding blocks, will make rectangular block 10 move on second screw 9, rectangular block 10 drives two sliding blocks and slides in two bar grooves, rectangular block 10 will keep away from holding frame 2 gradually, rack 12 moves in step under the drive of rectangular block 10, under the effect of rack 12, limiting plate 13 will drive limiting plate 15 to rotate with butt joint round rod, limiting plate 15 that originally is in vertical linear distribution will be adjusted into horizontal state gradually, limiting plate 15 will be close to welding workpiece gradually, until the equal restriction of the effect of the oblique welding workpiece of a plurality of circular rod of installation on 15 and two limiting plate 15, thereby limiting plate 15 or the just the welding workpiece of the limit plate 15 of the oblique welding workpiece under the effect of the limit. In the use process, if need add man-hour to the welding workpiece of other specifications, can adjust the distance between two limiting plates 15 according to actual need, thereby make two limiting plates 15 adapt to brand-new welding workpiece, during the operation, only need manually rotate first screw rod 5, receive the drive of screw thread and the stopper and the cooperation restriction between the butt plate, will make movable block 6 remove on first screw rod 5, under the drive of movable block 6, the position of limiting plate 15 will be adjusted, until after transferring limiting plate 15 to suitable position, can stop the regulation to first screw rod 5, limiting plate 15 will keep fixed position motionless.

Compared with the prior art, the utility model provides a resistance spot welder that can fast switch over has following beneficial effect:

through set up a plurality of positioning mechanism on spot welder body 1, thereby can rectify the position of the both sides of the welding workpiece who has placed, thereby make welding workpiece be located fixed position department, so as to guarantee the unity of welding workpiece processing, the form that two limiting plates 15 set to the regulation can adapt to the welding workpiece of the different specifications in the certain limit, be the pivoted form with two limiting plate 15 settings, can make things convenient for welding workpiece to put into between two limiting plates 15 more, prevent that the welding workpiece from appearing blocking at the in-process of placeeing.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. The utility model provides a resistance spot welding machine that can fast switch over, includes the spot welder body, its characterized in that, fixed mounting has a plurality of holding framves on the spot welder body, and is a plurality of install a plurality of holding pieces on the holding frame, it is a plurality of install two positioning mechanism on the holding frame respectively, positioning mechanism includes: the clamping device comprises a frame-shaped block, a first screw, a moving block, a moving groove, a fixing block, a second screw, a rectangular block, a motor, a rack, a circular block, a plurality of tooth grooves and a limiting plate, wherein the frame-shaped block is fixedly installed on the clamping frame, the first screw is rotatably installed on the frame-shaped block, the moving block is in threaded installation on the first screw, the moving groove is formed in one side of the moving block, the fixing block is fixedly installed on the moving block, the second screw is rotatably installed on the fixing block, the rectangular block is in threaded sleeving on the second screw, the motor is installed on one side of the fixing block, the output shaft of the motor is fixedly connected with one end of the second screw, the rack is fixedly installed on one side of the rectangular block, the circular block is rotatably installed in the moving groove, the tooth grooves are formed in the circular block, the tooth grooves are matched with the rack, and the limiting plate is fixedly installed on one side of the circular block.

2. A resistance welding spot welding machine capable of achieving rapid switching according to claim 1, characterized in that a same butt plate is fixedly installed between inner walls of two sides of the frame-shaped block, sliding holes are formed in the butt plate, a limiting block is fixedly installed on one side of the moving block, and the limiting block is installed in the sliding holes in a sliding mode.

3. A resistance welding spot welder capable of quickly switching according to claim 1 wherein two bar-shaped grooves are opened on the inner walls of both sides of said movable groove, two sliding blocks are slidably mounted in said two bar-shaped grooves, and both said sliding blocks are fixedly connected with the rectangular block.

4. A fast switching resistance spot welding machine according to claim 1 wherein the same butt round rod is fixedly mounted between the two side inner walls of said movable slot, said butt round rod being rotatably connected to the round block.

5. A fast switching resistance spot welding machine according to claim 1 wherein a single circular rod is fixedly mounted between the inner walls of the two sides of the movable slot, and wherein an engagement block is fixedly mounted on the circular block and contacts the circular rod.

6. A resistance welding spot welding machine capable of achieving fast switching according to claim 1, characterized in that a mounting groove is formed in the limiting plate, a plurality of circular rotating rods are fixedly mounted between inner walls of two sides of the mounting groove, and a circular cylinder is rotatably sleeved on the circular rotating rods.

7. A resistance welding spot welder capable of switching rapidly as claimed in claim 1 wherein a protective cover is fixedly mounted on said fixed block, said protective cover is fixedly connected with the motor, and said protective cover is provided with a plurality of air holes.