CN220050394U

CN220050394U - Adjustable multi-point synchronous spot welder

Info

Publication number: CN220050394U
Application number: CN202320078588.7U
Authority: CN
Inventors: 郭坚; 曹传传; 田长辉
Original assignee: Qingdao Ruilijie Metal Co ltd
Current assignee: Qingdao Ruilijie Metal Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-11-21
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses an adjustable multipoint synchronous spot welder, which relates to the technical field of synchronous spot welders and comprises a rack and a mainframe box arranged on the rack, wherein a sliding frame capable of sliding up and down is arranged on the mainframe box, a fixing frame is arranged below the mainframe box and the sliding frame, a welding part is horizontally connected with the sliding frame in a sliding manner on the sliding frame and the fixing frame, a power supply part is arranged in the mainframe box, and the welding part is powered by the power supply part. When the adjustable multipoint synchronous spot welder provided by the utility model is used for multipoint synchronous spot welding, the plurality of welding spots which are arbitrarily separated by a certain distance in a certain plane range can be subjected to spot welding by arranging the sliding frame, the fixing frame and the welding part matched with the sliding frame, the welding heads are easy to adjust and have high precision, and the adjustable multipoint synchronous spot welder has the effect of improving the working efficiency of batch processing of the same workpieces.

Description

Adjustable multi-point synchronous spot welder

Technical Field

The utility model relates to the technical field of synchronous spot welders, in particular to an adjustable multi-point synchronous spot welder.

Background

The spot welder is a mechanical equipment, and adopts the principle of double-sided double-point overcurrent welding, when in work, two electrodes press the workpiece, so that two layers of metal form a certain contact resistance under the pressure of two electrodes, when welding current flows from one electrode to the other electrode, instant heat welding is formed at two contact resistance points, and the welding current instantly flows from the other electrode to the electrode along the two workpieces to form a loop, and the internal structure of the welded workpiece is not damaged.

In order to ensure the size of the nugget and the strength of the welding spot, the welding time and the welding current can be mutually complemented in a certain range. To obtain a certain strength of the weld, a high current and a short time (strong condition, also called hard specification) may be used, and a low current and a long time (weak condition, also called soft specification) may be used. Whether hard or soft specifications are chosen depends on the metal properties, thickness and power of the welder used. There is an upper and lower limit to the current and time required for metals of different properties and thickness, which is the criteria for use. In the case of multipoint spot welding, particularly when a plurality of welding spots are performed by a single work piece co-worker, the requirements on the accuracy and the welding quality of the welding spots are high, and therefore the operation is extremely difficult.

The utility model patent with the prior bulletin number of CN208613990U discloses an up-down synchronous spot welder, which comprises a fixed seat, a guide rail and an electric telescopic rod, wherein the guide rail is arranged on the upper part of the fixed seat, a sliding block is arranged in the guide rail, a welding head is arranged on the side part of the sliding block, a clamping block is arranged on one side of the guide rail far away from the sliding block, a clamp is arranged on the side part of the clamping block, a rubber pad is adhered on the inner side of the clamp, the upper part of the sliding block is connected with the telescopic end of the electric telescopic rod through a connecting rod, a supporting frame is fixedly connected between the electric telescopic rod, and the lower part of the supporting frame is connected with the upper part of the guide rail through a supporting rod.

The technical scheme provides synchronous spot welder from top to bottom, during the use, through will wait to weld the inside of piece centre gripping at anchor clamps 7, then realize the zonulae occludens between anchor clamps 7 and the guide rail 2 through fixture block 6, effectively realize treating the effective fixed of welding piece, through the extension and the shrink of electric telescopic handle 3, realize that bonding tool 5 reciprocates in the both sides of waiting to weld the piece, realize welding process, effectively realize synchronous welding from top to bottom, simple convenient realization is treated the effective fixed of welding piece, and realize the welding process of different direction heterolateral simultaneously, reach the purpose of synchronous spot welding from top to bottom, avoid the deformation that unidirectional unilateral welding leads to, guarantee the welded quality. However, it is not possible to modify a specific welding spot according to a specific workpiece, and in particular, in the case of multipoint welding, it is extremely difficult to adjust and fix the welding head.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to provide an adjustable multi-point synchronous spot welder, which can realize spot welding of a plurality of welding spots at any distance in a certain plane range by arranging a sliding frame, a fixing frame and a welding part matched with the sliding frame, wherein the welding heads are easy to adjust and have high precision, and the adjustable multi-point synchronous spot welder has the effect of improving the working efficiency of the same workpieces in batch processing.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a synchronous spot welder of multiple spot with adjustable, includes the frame with set up in mainframe in the frame, be provided with the balladeur train that can slide from top to bottom on the mainframe, mainframe with the balladeur train below is provided with the mount, the balladeur train with the horizontal slip is connected with the welding portion on the mount, be provided with power supply unit in the mainframe, the welding portion by power supply unit power supply.

The utility model is further provided with: the welding part comprises an upper welding frame connected with the sliding frame in a sliding manner and a lower welding frame connected with the fixing frame in a sliding manner, an upper extending part is connected with the upper welding frame in a sliding manner, a movable welding head is arranged at one end of the upper extending part, a lower extending part is connected with the lower welding frame in a sliding manner, the upper welding frame and the lower welding frame are connected in a sliding manner and are all provided with wiring holes, and the welding frames and the extending parts can be fixed by hand-screwed bolts.

The utility model is further provided with: the upper welding frame and the lower welding frame are respectively provided with a synchronous groove, and the upper extension part and the lower extension part are respectively provided with a synchronous rod, and the two synchronous rods are connected in a sliding manner.

The utility model is further provided with: the power supply part comprises a power supply and a spiral telescopic conductive wire connected between the power supply and the movable welding head and between the power supply and the fixed welding head.

The utility model is further provided with: the support plate is arranged on the frame, a plurality of through holes are uniformly distributed in the support plate, and a support frame is inserted in the through holes.

The utility model is further provided with: a welding box is arranged below the supporting plate and is used for accommodating the welding part.

The utility model is further provided with: the upper extension part and the lower extension part are respectively provided with scales and handles, and the upper welding frame and the lower welding frame are respectively provided with a handle.

In summary, the beneficial technical effects of the utility model are as follows:

(1) The welding head can realize spot welding of a plurality of welding spots which are arbitrarily separated by a certain distance in a certain plane range, is easy to adjust and high in precision, and has the outstanding effect of improving the working efficiency when the same workpieces are processed in batches.

(2) The upper welding head and the lower welding head can synchronously move, the upper welding head and the lower welding head are ensured to be always positioned in the same vertical shaft, and the coaxiality of the upper welding head and the lower welding head is ensured, so that the welding quality of the upper welding head and the lower welding head is ensured.

(3) The movable part is fixed by a thread mode, so that the stability of fixation is ensured, and the position precision during multiple times of processing is ensured.

Drawings

FIG. 1 is a schematic overall construction of an embodiment of the present utility model;

FIG. 2 is a schematic view of the mounting structure of a weld in one embodiment of the utility model;

fig. 3 is a schematic view of an exploded structure of a welded portion in one embodiment of the present utility model.

Reference numerals: 1. a frame; 2. a main chassis; 3. a carriage; 4. a fixing frame; 5. a welding part; 6. a power supply unit; 7. a welding frame is arranged; 8. a welding frame is arranged; 9. an upper extension; 10. a movable welding head; 11. a lower extension; 12. a wiring hole; 13. a movable block; 14. a synchronization groove; 15. a synchronizing lever; 16. a conductive wire; 17. a support plate; 18. a support frame; 19. welding a box; 20. a scale; 21. a handle.

Detailed Description

The present utility model will be described more fully hereinafter with reference to the accompanying examples.

Referring to fig. 1, 2 and 3, an adjustable multipoint synchronous spot welder comprises a frame 1 and a main cabinet 2 arranged on the frame 1, wherein a carriage 3 capable of sliding up and down is arranged on the main cabinet 2, a fixing frame 4 is arranged below the main cabinet 2 and the carriage 3, a driving cylinder is arranged at the upper end of the frame 1, the carriage 3 is driven by the driving cylinder to slide up and down, the carriage 3 and the fixing frame 4 are horizontally connected with a welding part 5 in a sliding manner, a power supply part 6 is arranged in the main cabinet 2, and the welding part 5 is powered by the power supply part 6. The welding part 5 comprises an upper welding frame 7 connected with the sliding frame 3 in a sliding manner and a lower welding frame 8 connected with the fixing frame 4 in a sliding manner, wherein an upper extension part 9 is connected to the upper welding frame 7 in a sliding manner, a movable welding head 10 is arranged at one end of the upper extension part 9, a lower extension part 11 is connected to the lower welding frame 8 in a sliding manner, the upper welding frame 7 is connected with the lower welding frame 8 in a sliding manner and is provided with wiring holes 12, the welding frames and the extension parts can be fixed by hand screws, the upper welding frame 7 and the sliding frame 3 can be fixed by nuts, the lower welding frame 8 and the fixing frame 4 can be fixed by the nuts, a movable block 13 is arranged on one side of the sliding frame 3 and one side of the fixing frame 4, and the movable block 13 is detachably connected with the sliding frame 3 and the fixing frame 4. The upper welding frame 7 and the lower welding frame 8 are respectively provided with a synchronous groove 14, the upper extension part 9 and the lower extension part 11 are respectively provided with a synchronous rod 15, and the two synchronous rods 15 are connected in a sliding manner. The power supply 6 comprises a power source and a helically retractable conductive wire 16 connected between the power source and the movable welding head 10 and between the power source and the fixed welding head. The machine frame 1 is provided with a support plate 17, a plurality of through holes are uniformly distributed in the support plate 17, and a support frame 18 is inserted in the through holes. A welding box 19 is provided below the support plate 17, the welding box 19 being adapted to accommodate the welding part 5. The upper extension part 9 and the lower extension part 11 are respectively provided with a scale 20 and a handle 21, and the upper welding frame 7 and the lower welding frame 8 are respectively provided with a handle 21.

When the device is installed, firstly, a proper number of welding parts 5 are selected according to workpieces to be welded, after the welding parts 5 are assembled, the sliding blocks 13 on the sliding frame 3 and the fixed frame 4 are sequentially slid into the sliding frame 3 and the fixed frame 4 from one side, then the movable blocks 13 are installed again and then are connected with a driving cylinder, after the welding parts 5 are installed, firstly, the approximate positions of the welding parts are adjusted, the conducting wires 16 are connected with a power supply, firstly, the upper welding frame 7 and the lower welding frame 8 are synchronously adjusted to the positions corresponding to the X axis of the welding spots of the workpieces on the sliding frame 3 and the fixed frame 4, then the upper welding frame 7 and the sliding frame 3 are fixed, the lower welding frame 8 and the fixed frame 4 are synchronously adjusted, then the upper extending parts 9 and the lower extending parts 11 are synchronously adjusted, the specific extension length can be determined according to a scale 20, after the Y axis is adjusted, the upper extending parts 9 and the upper welding frame 7 are fixedly connected with the power supply by using a butterfly bolt, at the same time, and simultaneously, the position of the lower extending parts 11 and the welding parts are synchronously adjusted, and the welding parts are sequentially positioned, and the welding parts are welded 5 are required to be positioned and all the welding parts are positioned. When the device is used, the support frame 18 is inserted into the support plate 17, the height of the support frame 18 is consistent with that of the fixed welding head, a clamp or a tool can be arranged on the support frame 18 according to the condition of a workpiece, so that workpiece positioning is realized, after the workpiece positioning, the driving cylinder is started, the movable frame is driven to move downwards (Z axis), the movable welding head 10 and the fixed welding head are close to contact with the upper surface and the lower surface of the workpiece, so that spot welding work is realized, after spot welding is finished, the driving cylinder drives the movable frame to reset, the workpiece is taken out, the next workpiece is replaced, and single multi-point spot welding work can be finished.

The working principle of the embodiment is as follows: when the device is used, the support frame 18 is inserted into the support plate 17, the height of the support frame 18 is consistent with that of the fixed welding head, a clamp or a tool can be arranged on the support frame 18 according to the condition of a workpiece, so that workpiece positioning is realized, after the workpiece positioning, the driving cylinder is started, the movable frame is driven to move downwards (Z axis), the movable welding head 10 and the fixed welding head are close to contact with the upper surface and the lower surface of the workpiece, so that spot welding work is realized, after spot welding is finished, the driving cylinder drives the movable frame to reset, the workpiece is taken out, the next workpiece is replaced, and single multi-point spot welding work can be finished. The above description is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model. All equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. An adjustable multipoint synchronous spot welder, characterized in that: including frame (1) with set up in mainframe (2) on frame (1), be provided with on mainframe (2) balladeur train (3) that can slide from top to bottom, mainframe (2) with balladeur train (3) below is provided with mount (4), balladeur train (3) with horizontal slip is connected with welding portion (5) on mount (4), be provided with power supply portion (6) in mainframe (2), welding portion (5) are by power supply portion (6) power supply.

2. An adjustable multipoint synchronous spot welder according to claim 1, wherein: the welding part (5) comprises an upper welding frame (7) connected with the sliding frame (3) in a sliding manner and a lower welding frame (8) connected with the fixing frame (4) in a sliding manner, wherein the upper welding frame (7) is connected with an upper extending part (9) in a sliding manner, one end of the upper extending part (9) is provided with a movable welding head (10), the lower welding frame (8) is connected with a lower extending part (11) in a sliding manner, the upper welding frame (7) and the lower welding frame (8) are connected in a sliding manner and are all provided with wiring holes (12), the welding frames and the extending parts can be fixed by hand screws, the upper welding frame (7) and the sliding frame (3) can be fixed by nuts, the sliding frame (3) and one side of the fixing frame (4) are all provided with movable blocks (13), and the movable blocks (13) and the sliding frame (3) and the fixing frame (4) are detachably connected.

3. An adjustable multipoint synchronous spot welder according to claim 2, wherein: the upper welding frame (7) and the lower welding frame (8) are respectively provided with a synchronous groove (14), and the upper extension part (9) and the lower extension part (11) are respectively provided with a synchronous rod (15), and the two synchronous rods (15) are connected in a sliding way.

4. An adjustable multipoint synchronous spot welder according to claim 1, wherein: the power supply part (6) comprises a power supply and a spiral telescopic conductive wire (16) connected between the power supply and the movable welding head (10) and between the power supply and the fixed welding head.

5. An adjustable multipoint synchronous spot welder according to claim 1, wherein: the support plate (17) is arranged on the frame (1), a plurality of through holes are uniformly distributed in the support plate (17), and a support frame (18) is inserted in the through holes.

6. An adjustable multipoint synchronous spot welder according to claim 5, wherein: a welding box (19) is arranged below the supporting plate (17), and the welding box (19) is used for accommodating the welding part (5).

7. An adjustable multipoint synchronous spot welder according to claim 2, wherein: the upper extension part (9) and the lower extension part (11) are respectively provided with a scale (20) and a handle (21), and the upper welding frame (7) and the lower welding frame (8) are respectively provided with a handle (21).