CN217667084U

CN217667084U - Press-fit welding jig

Info

Publication number: CN217667084U
Application number: CN202220967910.7U
Authority: CN
Inventors: 罗周彬; 白梦云
Original assignee: Suzhou Saiweide Electronic Technology Co ltd
Current assignee: Suzhou Saiweide Electronic Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-10-28
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a pressfitting welding jig, include: the pressing mechanism comprises a lifting table and a reset structure connected with the lifting table, the lifting table controls the welding equipment to lift through a pressing structure, a bearing support is arranged on the table top of the lifting table, and a limiting spring is arranged at the bottom of the bearing support; the welding equipment comprises a pressing plate and welding gun heads, wherein the welding gun heads are arranged on one side of the pressing plate, which is far away from the pressing structure, the pressing plate can drive the welding gun heads to synchronously press downwards, and the welding gun heads are resistance welding gun heads; still include check out test set, check out test set includes detection case and test probe, and test probe orientation bears the weight of the bearing plane of support, and test probe and welding rifle head subtend set up, the utility model discloses can carry out real-time detection to resistance pressure welding's quality, practiced thrift the independent detection flow after the pressfitting welding, very big promotion welding efficiency to can carry out real-time optimization to welding quality.

Description

Press-fit welding jig

Technical Field

The utility model relates to a welding jig field especially relates to a pressfitting welding jig.

Background

The resistance welding is to melt a welding piece and a base material by using the resistance of a workpiece (the resistance of a welding point of the workpiece) through the heat effect generated after current passes through the resistance welding and then to weld the welding piece and the base material together through the action of pre-pressing force. The welding current is generally adjustable, and the welding current is constant current and is within the allowable range of the current welding machine. During welding, the current is short-circuited by utilizing the heat effect generated by the resistance between the short-circuit and a weldment. The welding machine generally does not work continuously, namely, the welding machine does not always have secondary voltage output like a common welding machine, the welding machine works in an intermittent state, the resistance between workpieces is small, so that the voltage between the workpieces is low, and the electric shock voltage of a human body cannot be reached, so that people cannot go out, further, gloves are also arranged during the work, a certain insulation effect is also achieved, and the welding machine needs to be reliably grounded during the work.

However, the welding quality of resistance welding is often checked by visual inspection and lamplight detection, and additional process steps are required, and no device capable of detecting the welding quality of resistance welding in real time by using the generated current value is purchased.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides a pressfitting welding jig.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a press-fit welding jig comprises: pressing mechanism and connection be in the last welding equipment of pressing mechanism, its characterized in that: the pressing mechanism comprises a lifting table and a reset structure connected with the lifting table, the lifting table controls the welding equipment to lift through a pressing structure, a bearing support is arranged on the table top of the lifting table, and a limiting spring is arranged at the bottom of the bearing support; the welding equipment comprises a pressing plate and welding gun heads, wherein the welding gun heads are arranged on one side of the pressing plate, which is far away from the pressing structure, the pressing plate can drive the welding gun heads to synchronously press downwards, and the welding gun heads are resistance welding gun heads; the welding gun further comprises detection equipment, the detection equipment comprises a detection box and a detection probe, the detection probe faces to the bearing plane of the bearing support, and the detection probe and the welding gun head are arranged oppositely.

The utility model discloses a preferred embodiment still includes display device for show testing result.

In a preferred embodiment of the present invention, the detection box is disposed on a base plane of the lifting table.

In a preferred embodiment of the present invention, the reset structure comprises a lifting rail and a reset spring sleeved outside the lifting rail.

In a preferred embodiment of the present invention, the return spring coincides with the lifting rail axis.

In a preferred embodiment of the present invention, a resistance welding box for connecting the welding torch head is provided in the elevating platform.

In a preferred embodiment of the present invention, the circuit of the resistance welding box passes through the pressing plate from the inside, and is connected in parallel to a plurality of welding gun heads.

In a preferred embodiment of the present invention, the pressing structure includes a movable bracket and a fixed bracket, and the movable bracket is connected to the fixed bracket through a rotating shaft.

In a preferred embodiment of the present invention, the movable support is provided with a handle for manual pressing.

In a preferred embodiment of the present invention, the height of the bearing plane of the bearing bracket is always higher than the height of the free end of the detection probe.

The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:

(1) The utility model discloses a set up the test probe at the base plate opposite side that resistance welding was aimed at to can carry out real-time detection to resistance pressure welding's quality, practiced thrift independent detection flow after the pressfitting welding, very big promotion welding efficiency, simultaneously, can also show the testing result through display device in real time. The operator can optimize and adjust the resistance pressure welding current in real time through the detection data, and the production efficiency is improved.

(2) The utility model discloses in set up spacing spring bottom bearing support for push down the mechanism and drive the welding rifle head and push down bearing support that will bear circuit board or other metal sheet structures, by the welding plane under spacing spring's reverse action force, can contact with the test probe just, thereby avoid crushing test probe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

FIG. 1 is a perspective view of a preferred embodiment of the present invention;

fig. 2 is a side view of a preferred embodiment of the present invention;

in the figure: 1. a lifting platform; 11. a display device; 12. a lifting guide rail; 13. a return spring; 2. a load bearing support; 21. a limiting spring; 31. a detection box; 32. detecting the probe; 41. a pressing structure; 42. pressing the plywood; 43. and welding the gun head.

Detailed Description

The invention will now be described in further detail with reference to the drawings, which are simplified schematic drawings illustrating, by way of illustration only, the basic structure of the invention and thus showing only the elements relevant to the invention, and also with reference to the description of the invention, an "embodiment", "one embodiment" or "another embodiment" indicating that a particular feature, structure or characteristic described in connection with the embodiment is included in at least some, but not necessarily all embodiments.

As shown in fig. 1 and fig. 2, a press-fit welding jig includes: the welding device comprises a pressing mechanism and a welding device connected to the pressing mechanism, wherein the pressing mechanism comprises a lifting table 1 and a reset structure connected with the lifting table 1, the lifting table 1 controls the welding device to lift through a pressing structure 41, a bearing support 2 is arranged on the table top of the lifting table 1, and a limiting spring 21 is arranged at the bottom of the bearing support 2; the welding equipment comprises a pressing plate 42 and a welding gun head 43, the welding gun heads 43 are arranged on one side of the pressing plate 42, which is far away from the pressing structure 41, the pressing plate 42 can drive the welding gun heads 43 to be pressed downwards synchronously, and the welding gun heads 43 are resistance welding gun heads; still include check out test set, check out test set includes detection case 31 and test probe 32, and test probe 32 is towards the bearing plane who bears support 2, and test probe 32 and the welding rifle head 43 subtend setting.

As shown in fig. 1, a display device 11 is further arranged on the lifting platform 1 and used for displaying the detection result, and an operator can monitor the pressure and current value of the resistance pressure welding in real time, so that the device can be adjusted through rapid reaction, and the irrecoverable economic loss caused by the defect problem found again in the subsequent detection process after the batch processing is completed is avoided.

In the preferred embodiment, detection case 31 sets up on the base plane of elevating platform 1, and bear support 2 and also set up on the base plane, bear support 2's the bearing plane height simultaneously and be higher than the free end height of detecting probe 32 all the time, it should be realized, through adjusting or changing reset spring 13, adjust its coefficient of elasticity and can accomplish this point, bearing plane can't invade the occupation space who occupies detection mechanism, can effectively avoid pushing down the mechanism and touch the influence of welding rifle head 43 and destroy detection mechanism even, ensure detection mechanism's durability.

In one embodiment, a reset structure is connected to the pressing plate 42, the reset structure includes a lifting guide rail 12 and a reset spring 13 sleeved outside the lifting guide rail 12, the pressing plate 42 is sleeved outside the lifting guide rail 12, so that a pressing line of the pressing plate 42 is stable and controllable, surface welding positions are staggered, meanwhile, the reset spring 13 can rapidly separate the welding gun head 43 and the pressing plate 42 after an operator releases a pressing mechanism, time and labor are saved, welding slag is prevented from remaining, further, the reset spring 13 is overlapped with an axis of the lifting guide rail 12, excessive friction cannot occur between the pressing plate 42 and the lifting guide rail 12, and durability and accuracy of guiding of the lifting guide rail 12 are improved.

In one embodiment, a resistance welding electrical box connected with the welding gun heads 43 is arranged in the lifting platform 1, so that the external redundancy of the device is reduced, the device is high in integrity and convenient to move and adapt to different production processes, and further, in one embodiment, a circuit of the resistance welding electrical box penetrates through the pressing plate 42 from the inside and is connected with the welding gun heads 43 in parallel, so that external wiring of the device can be reduced, and circuit interference in the lifting process is avoided.

In an embodiment, the pressing structure 41 includes a movable support and a fixed support, the movable support is connected to the fixed support through a rotating shaft, a handle is disposed on the movable support for manual pressing, and it should be noted that the pressing structure 41 is realized through two relatively moving supports and the rotating shaft, and the jig field belongs to a common technical means, and specific structures are not described herein.

The utility model discloses a set up test probe 32 at the base plate opposite side that resistance welding was aimed at to can carry out real-time detection to resistance pressure welding's quality, practiced thrift the independent detection flow in pressfitting welding back, very big promotion welding efficiency, simultaneously, can also show the testing result through display device 11 in real time. The operator can optimize and adjust the current of the resistance pressure welding in real time through the detection data, and the production efficiency is improved.

The utility model discloses in set up spacing spring 21 bottom bearing support 2 for push down mechanism drive welding gun head 43 and push down bearing support 2 that bears circuit board or other metal sheet structure, by the welding under spacing spring 21's reverse action power, can contact with test probe 32 just, thereby avoid crushing test probe 32.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A press-fit welding jig includes: pressing mechanism and connection be in welding equipment on the pressing mechanism, its characterized in that:

the pressing mechanism comprises a lifting table and a reset structure connected with the lifting table, the lifting table controls the welding equipment to lift through a pressing structure, a bearing support is arranged on the table top of the lifting table, and a limiting spring is arranged at the bottom of the bearing support;

the welding equipment comprises a pressing plate and welding gun heads, wherein the welding gun heads are arranged on one side of the pressing plate, which is far away from the pressing structure, the pressing plate can drive the welding gun heads to synchronously press downwards, and the welding gun heads are resistance welding gun heads;

the welding gun further comprises detection equipment, the detection equipment comprises a detection box and a detection probe, the detection probe faces to the bearing plane of the bearing support, and the detection probe and the welding gun head are arranged oppositely.

2. A press-fit welding jig according to claim 1, characterized in that: the device also comprises a display device for displaying the detection result.

3. A press-fit welding jig according to claim 1, characterized in that: the detection box is arranged on the base plane of the lifting table.

4. A press-fit welding jig according to claim 1, characterized in that: the reset structure comprises a lifting guide rail and a reset spring sleeved on the outer side of the lifting guide rail.

5. A press-fit welding jig according to claim 4, characterized in that: the reset spring is superposed with the axis of the lifting guide rail.

6. A press-fit welding jig according to claim 1, characterized in that: and a resistance welding electric box connected with the welding gun head is arranged in the lifting platform.

7. A press-fit welding jig according to claim 6, characterized in that: and a circuit of the resistance welding box penetrates through the laminated plate from the inside and is connected with the welding gun heads in parallel.

8. A press-fit welding jig according to claim 1, characterized in that: the pressing structure comprises a movable support and a fixed support, and the movable support is connected with the fixed support through a rotating shaft.

9. The press-fit welding jig of claim 8, wherein: the movable support is provided with a handle for manual pressing.

10. A press-fit welding jig according to claim 1, characterized in that: the height of the bearing plane of the bearing support is always higher than the height of the free end of the detection probe.