CN219924827U - Welding jig and shunt welding set - Google Patents

Abstract

The utility model discloses a welding fixture and a welding device for a shunt, wherein the welding fixture comprises a heat conduction part and a bearing part, and the heat conduction part is used for bearing a first processing workpiece; the bearing part is connected to the heat conducting part, the bearing part is made of heat insulation materials, the bearing part is provided with a bearing elastic sheet, and the bearing elastic sheet is used for bearing a second processing workpiece and enabling the second processing workpiece to be arranged above the first processing workpiece at intervals. The technical scheme of the utility model aims to realize stable welding of the alloy resistor of the shunt and the integrated circuit board by utilizing the welding fixture, improve the welding reliability of the welding device of the shunt and further improve the practicability of the welding fixture.

Description

Welding jig and shunt welding set

Technical Field

The utility model relates to the technical field of welding of current splitters, in particular to a welding fixture and a welding device for the current splitters.

Background

In the existing welding device for the current shunt, the welding of the alloy resistor and the integrated circuit board of the shunt can be realized by adopting a contact type heating welding mode, after the alloy resistor is heated to the welding temperature, the integrated circuit board is pressed onto the alloy resistor, so that the soldering paste is melted and connected with the alloy resistor and the integrated circuit board, and the welding processing of the alloy resistor and the integrated circuit board of the shunt is realized.

In the existing shunt welding device, the welding process is mostly performed by clamping or extracting the integrated circuit board by using a manipulator after the alloy resistor is heated to a proper welding temperature and then moving the integrated circuit board onto the alloy resistor. However, the manipulator is used for clamping or extracting the integrated circuit board for welding operation, and a larger space is reserved for the manipulator to move by the diverter welding device, so that the occupied space of the diverter welding device is larger; and when the manipulator moves the integrated circuit board, the manipulator is easy to deviate due to mechanical stroke deviation, so that the alloy resistor and the integrated circuit board can not realize a welding effect of tighter fit, and the welding reliability and practicality of the welding device of the current divider are reduced.

Disclosure of Invention

The utility model mainly aims to provide a welding fixture and a welding device for a shunt, and aims to realize stable welding of alloy resistance of the shunt and an integrated circuit board by using the welding fixture, improve the welding reliability of the welding device for the shunt and further improve the practicability of the welding fixture.

In order to achieve the above object, the welding fixture provided by the present utility model includes a heat conducting portion and a bearing portion, where the heat conducting portion is used to bear a first machined workpiece; the bearing part is connected to the heat conducting part, the bearing part is made of heat insulation materials, the bearing part is provided with a bearing elastic sheet, and the bearing elastic sheet is used for bearing a second processing workpiece and enabling the second processing workpiece to be arranged above the first processing workpiece at intervals.

Optionally, the bearing part and the heat conducting part are enclosed to form at least one processing groove, the surface of the heat conducting part is formed into a groove bottom wall of the processing groove, the processing groove is used for accommodating a first processing workpiece and a second processing workpiece, and two opposite inner side walls of each processing groove are respectively provided with the bearing elastic piece.

Optionally, the inner side wall of the processing groove surrounds the first processing workpiece, and the inner side wall of the processing groove is concavely provided with a pick-and-place avoiding groove.

Optionally, the bearing part is provided with two first limit structures in each processing groove, and the two first limit structures are arranged at intervals and respectively abut against opposite sides of the second processing workpiece.

Optionally, the bearing part is further provided with a second limiting structure, the second limiting structure is arranged between the two first limiting structures, and the second limiting structure is used for fixedly inserting a second processing workpiece.

Optionally, the bearing part is provided with a heat insulation table in each processing groove, the heat insulation table is arranged on the groove bottom wall of the processing groove and is arranged side by side with the first processing workpiece, and the surface of the heat insulation table opposite to the heat conduction part is used for supporting the second processing workpiece in a butt joint manner.

Optionally, defining that the welding fixture has a height direction, the bearing elastic sheet includes a connection section and a support section, and the connection section is connected to a surface of the bearing part facing away from the heat conducting part; the support section is buckled and connected to the connecting section and is obliquely arranged, the distance between the support section and the inner wall of the bearing part is gradually increased from top to bottom along the height direction, the support section is made of elastic materials and is used for bearing and supporting a second processing workpiece.

Optionally, a third limiting structure is arranged on the surface of the heat conducting part, and the third limiting structure is used for fixedly inserting the first processing workpiece.

Optionally, the bearing part is detachably connected with the heat conducting part.

The utility model also provides a welding device for the flow divider, which comprises a pushing mechanism and a welding fixture, wherein the welding fixture is the welding fixture, and the pushing mechanism is movably arranged above the welding fixture.

According to the technical scheme, the heat-insulating bearing part is arranged on the heat conducting part of the welding fixture, the bearing elastic piece with certain elasticity is arranged on the bearing part, the first processing workpiece can be arranged on the heat conducting part, the heat conducting part is used for conducting heat to the first processing workpiece to heat the first processing workpiece, the bearing elastic piece is used for bearing and supporting the second processing workpiece, the second processing workpiece is supported above the first processing workpiece by the bearing elastic piece before welding processing, the first processing workpiece and the second processing workpiece are arranged at intervals mutually before welding processing, the temperature is prevented from being transferred to the second processing workpiece when the first processing workpiece is heated, and the first processing workpiece and the second processing workpiece can be better preset into a whole to be placed into a welding device of the flow divider for welding processing under the action of the welding fixture. And when the first processing workpiece is heated to the welding temperature, the pushing mechanism arranged above the welding fixture can be utilized to push the second processing workpiece to move downwards towards the first processing workpiece, at this time, the second processing workpiece can exert pressure on the bearing elastic sheet when moving downwards, so that the bearing elastic sheet is stressed to elastically deform so as to avoid movement of the second processing workpiece, the second processing workpiece can move downwards to abut against the first processing workpiece to melt the soldering paste arranged between the first processing workpiece and the second processing workpiece, and the soldering paste is connected with the first processing workpiece and the second processing workpiece to realize welding processing operation of the diverter. Under the action of the welding fixture, the welding fixture can be utilized to accurately preassemble the first machined workpiece and the second machined workpiece, so that the arrangement of a manipulator in the welding device of the flow divider is reduced, the whole volume of the welding device of the flow divider is further reduced, and the welding operation of the welding device of the flow divider is simplified; and under the limiting bearing effect of the bearing elastic piece on the second machined workpiece, the welding sites of the first machined workpiece and the welding sites of the second machined workpiece can be aligned with each other better, and the welding operation is performed by vertically pushing the second machined workpiece to move onto the first machined workpiece, so that welding deviation can be reduced better, the welding machining qualification rate of the welding device of the current divider is further improved, and the practicability and reliability of the welding fixture are improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an embodiment of a welding fixture according to the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Welding fixture	133	Processing groove
11	Heat conduction part	1331	Get and put and dodge groove
				111	Third limit structure	135	First limit structure
13	Bearing part	137	Second limiting structure
				131	Bearing spring piece	139	Heat insulation table
1311	Connecting section	300	Pushing mechanism
				1313	Support section

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In the existing shunt soldering apparatus, the soldering process is mostly performed by clamping or extracting the integrated circuit board by a manipulator after the alloy resistor is heated to a proper soldering temperature, and then moving the integrated circuit board onto the alloy resistor. However, the manipulator is used for clamping or extracting the integrated circuit board for welding operation, and a larger space is reserved for the manipulator to move by the diverter welding device, so that the occupied space of the diverter welding device is larger; and when the manipulator moves the integrated circuit board, the manipulator is easy to deviate due to mechanical stroke deviation, so that the alloy resistor and the integrated circuit board can not realize a welding effect of tighter fit, and the welding reliability and practicality of the welding device of the current divider are reduced. In view of the above problems, the present utility model proposes a welding jig 100.

Referring to fig. 1, in an embodiment of the present utility model, the welding fixture 100 includes a heat conducting portion 11 and a carrying portion 13, wherein the heat conducting portion 11 is used for carrying a first processing workpiece; the bearing part 13 is connected to the heat conducting part 11, the bearing part 13 is made of heat insulation material, the bearing part 13 is provided with a bearing elastic piece 131, the bearing elastic piece 131 is used for bearing a second processing workpiece, and the second processing workpiece is arranged above the first processing workpiece at intervals.

It can be understood that the welding device for the current divider can be applied to welding processing between the alloy resistor of the current divider current detection module and the integrated circuit board, and further the product processing production of the current divider is realized. The welding device of the shunt can firstly utilize the heating device to heat the alloy resistor, so that the temperature of the alloy resistor can quickly reach the welding temperature for melting the soldering paste, the integrated circuit board is moved to the alloy resistor when the alloy resistor reaches the welding temperature, at the moment, the soldering paste preset on the alloy resistor or the integrated circuit board is melted under the high temperature effect and permeates between the alloy resistor and the integrated circuit board, so that the welding site of the alloy resistor and the welding site of the integrated circuit board can be connected after the soldering paste is solidified, and the welding process of the alloy resistor of the shunt and the integrated circuit is realized. Because in alloy resistance heating process, integrated circuit board and alloy resistance separation for on the alloy resistance heated temperature can not transmit the integrated circuit board, and then effectively ensure the integrated circuit board at alloy resistance heating in-process stable in structure, effectively avoid the integrated circuit board impaired, improve the production qualification rate of shunt.

By providing the soldering jig 100 in the shunt soldering apparatus, it is possible to carry the alloy resistor and the integrated circuit board of the shunt in advance with the soldering jig 100 well before the soldering process, and to keep the alloy resistor and the integrated circuit board spaced apart during the alloy resistor heating process. At this time, the first processing workpiece carried by the welding fixture 100 may be an alloy resistor of the current divider, the second processing workpiece carried by the welding fixture 100 may be an integrated circuit board of the current divider, and the first processing workpiece is carried on the heat conducting portion 11 of the welding fixture 100, and the heat conducting portion 11 may be a heat conducting structure formed by manufacturing a material with a certain heat conducting property, so that heat generated by the heating device in the welding device of the current divider can be transferred to the first processing workpiece by using the heat conducting portion 11, thereby realizing heating of the first processing workpiece. And through setting up carrier part 13 on heat conduction portion 11, this carrier part 13 can be made by thermal insulation material and form, and then can effectively keep apart the heat transfer on the heat conduction portion 11 to on carrier part 13, this moment through setting up carrier shell fragment 131 on carrier part 13, this carrier shell fragment 131 can be dodge structure or extending structure etc. for having certain elasticity, and under the thermal insulation effect of carrier part 13, can make carrier shell fragment 131 can not receive the heating temperature influence of heat conduction portion 11, therefore, through predetermining the second processing work piece and bear on carrier shell fragment 131, can make the second processing work piece under the thermal insulation effect of carrier part 13, effectively avoid the heat transfer on the heat conduction portion 11 to the second processing work piece on, make first processing work piece can effectively avoid the second processing work piece to receive the heating influence of heat conduction portion 11 to first processing work piece and intensify at the heating in-process. After the first processing workpiece is heated to reach the welding temperature, the second processing workpiece can be driven to move towards the first processing workpiece by utilizing a push rod or a lower pressing block to act on the second processing workpiece above the welding fixture 100, at this time, the second processing workpiece can push the bearing elastic sheet 131 to elastically deform and retract to avoid the second processing workpiece in the process of downward movement due to the elastic action of the bearing elastic sheet 131, so that the second processing workpiece can stably move onto the first processing workpiece, and the welding paste can be heated and melted to infiltrate into the welding site of the first processing workpiece and the welding site of the second processing workpiece to realize the welding process of the two processing workpieces, thereby ensuring the normal operation of the welding device of the shunt.

Under the effect of welding jig 100, can utilize welding jig 100 to form an entirety with first processing work piece and second processing work piece pre-installation well before welding, and through directly placing the welding jig 100 that carries first processing work piece and second processing work piece on the processing station of shunt welding device, directly heat transfer to first processing work piece on the welding jig 100 heats up first processing work piece, and after first processing work piece reaches the welding temperature, the welding processing of the second processing work piece of pushing presettingon welding jig 100 can be realized to the shunt and flow the module, make shunt welding device need not to set up clamping device and draw or the integrated circuit board of centre gripping remove and weld processing on the alloy resistance, shunt welding device overall structure can effectively be simplified, be convenient for reduce shunt welding device's area occupied, simultaneously convenience of customers is to the processing work piece pre-installation, improve shunt welding device's operating convenience, improve welding jig 100's practicality and reliability.

According to the technical scheme, the heat-insulating bearing part 13 is arranged on the heat conducting part 11 of the welding fixture 100, and the bearing elastic piece 131 with certain elasticity is arranged on the bearing part 13, so that a first processing workpiece is arranged on the heat conducting part 11, the heat conducting part 11 is used for transferring heat to the first processing workpiece to heat the first processing workpiece, the bearing elastic piece 131 is used for bearing and supporting a second processing workpiece, the second processing workpiece is supported above the first processing workpiece by the bearing elastic piece 131 before welding processing, the first processing workpiece and the second processing workpiece are arranged at intervals mutually before welding processing, and the temperature is prevented from being transferred to the second processing workpiece when the first processing workpiece is heated, so that the first processing workpiece and the second processing workpiece can be better preset into a whole to be placed in a flow divider welding device for welding processing under the action of the welding fixture 100. And when first processing work piece heats to welding temperature, can utilize to set up pushing mechanism in welding jig 100 top and promote the second processing work piece and move towards first processing work piece decline, at this moment, can exert pressure to bearing shell fragment 131 when the second processing work piece descends and removes for bearing shell fragment 131 atress takes place elastic deformation and dodges the second processing work piece and remove, make the first processing work piece of second processing work piece that can descend the removal butt first processing work piece of moving melt the soldering paste that sets up between first processing work piece and second processing work piece, make the soldering paste connect first processing work piece and second processing work piece realize the welding process operation of shunt. Under the action of the welding fixture 100, the welding fixture 100 can be utilized to accurately preassemble the first machined workpiece and the second machined workpiece, so that the arrangement of a manipulator in the diverter welding device is reduced, the whole volume of the diverter welding device is further reduced, and the welding machining operation of the diverter welding device is simplified; and under the spacing bearing effect of the bearing elastic piece 131 on the second processing workpiece, the welding site of the first processing workpiece and the welding site of the second processing workpiece can be aligned with each other better, and the welding operation is performed by vertically pushing the second processing workpiece to move onto the first processing workpiece, so that welding deviation can be reduced better, the welding processing qualification rate of the welding device of the current divider is further improved, and the practicability and reliability of the welding fixture 100 are improved.

Referring to fig. 1, in an embodiment of the present utility model, at least one processing groove 133 is formed around the bearing portion 13 and the heat conducting portion 11, a surface of the heat conducting portion 11 is formed as a groove bottom wall of the processing groove 133, the processing groove 133 is used for accommodating a first processing workpiece and a second processing workpiece, and two opposite inner side walls of each processing groove 133 are respectively provided with a bearing elastic sheet 131.

In this embodiment, the carrying portion 13 may be concavely provided with a through hole penetrating through the carrying portion 13, so that when the carrying portion 13 is connected to the heat conducting portion 11, the through hole and the surface of the heat conducting portion 11 enclose to form the processing groove 133, at this time, by increasing the number of through holes on the carrying portion 13, the carrying portion 13 and the heat conducting portion 11 enclose to form a plurality of processing grooves 133, that is, one, two, three, five or even more processing grooves 133 may be formed on the welding fixture 100, so that a user may utilize the welding fixture 100 to preassemble a plurality of first processing workpieces and second processing workpieces to perform batch welding processing operation, which is beneficial to better improving the production and processing efficiency of the welding device of the shunt, and further improving the practicality and reliability of the welding fixture 100. By forming the enclosing structure of the processing groove 133, the first processing workpiece and the second processing workpiece preassembled in the processing groove 133 can be reduced from being influenced by external environment, and are prevented from being offset due to the action of air flow or external force, so that the accuracy and the relative welding reliability of the first processing workpiece and the second processing workpiece are further improved. And through set up respectively on two relative inside walls in each processing groove 133 and bear shell fragment 131, can independently carry out welding process to the first processing work piece in each processing groove 133 and second processing work piece better to can make two sets of bearing shell fragment 131 that set up on the relative both sides wall in processing groove 133 more stable support second processing work piece make the interval separation of two in first processing work piece heating process, further improved welding jig 100's structural stability and reliability.

Referring to fig. 1, in an embodiment of the present utility model, an inner sidewall of the processing groove 133 is provided around the first processing workpiece, and an access recess 1331 is concavely provided on the inner sidewall of the processing groove 133.

In this embodiment, the first processing workpiece and the second processing workpiece are disposed in the processing groove 133, so that the shape of the processing groove 133 is attached to the shape of the first processing workpiece and the shape of the second processing workpiece, and the inner side wall of the processing groove 133 can surround the first processing workpiece, so that a certain fixed limiting effect can be achieved by using the processing groove 133 of the welding fixture 100, the holding stability of the welding fixture 100 to the first processing workpiece and the second processing workpiece is ensured, the first processing workpiece and the second processing workpiece are effectively prevented from being offset in the welding process, the accurate alignment welding between the first processing workpiece and the second processing workpiece is further improved, and the structural stability and reliability of the welding fixture 100 are improved. And through the sunken setting of getting on the inside wall of processing groove 133 and put dodging groove 1331, should get and put dodging groove 1331 and can run through the notch setting of processing groove 133 on loading part 13 for the user can stretch into get and put and dodge the opposite both sides wall of the first processing work piece of centre gripping in groove 1331, and then realize extracting the processing work piece and get the operation of placing in processing groove 133 with first processing work piece holder from processing groove 133, further improved the loading of welding jig 100 and draw the convenience, improved the practicality and the reliability of welding jig 100.

Referring to fig. 1, in an embodiment of the present utility model, the carrying portion 13 is provided with two first limiting structures 135 in each processing groove 133, and the two first limiting structures 135 are spaced apart and used for respectively abutting against opposite sides of the second processed workpiece.

In this embodiment, the bearing portion 13 may form the first limiting structure 135 by disposing a limiting post or a limiting protruding structure in the processing groove 133, and disposing the two first limiting structures 135 at intervals, when the second processing workpiece is preloaded into the processing groove 133 of the welding fixture 100, the two first limiting structures 135 disposed at intervals in the processing groove 133 may abut against two opposite sidewalls of the second fixture, and further, the two first limiting structures 135 may abut against portions of the second processing workpiece not contacting the first processing workpiece. Furthermore, under the butt limiting action of two first limit structures 135, the second processing workpiece can be more stably supported and preset above the first processing workpiece by the bearing elastic sheet 131 in the heating process of the first processing workpiece, and in the welding process, the second processing workpiece can be more stably and vertically lowered and moved onto the first processing workpiece by the limiting action of the first limit structures 135 to be welded, so that the second processing workpiece is better prevented from being offset due to the action of external force when the shunt welding device operates, the accurate alignment welding of the first processing workpiece and the second processing workpiece is further ensured, and the practicability and the structural stability of the welding fixture 100 are improved. The first limiting structure 135 may be formed by integral injection molding or integral casting with the bearing portion 13, or the first limiting structure 135 is made of a heat insulating material identical to that of the bearing portion 13 and is connected and embedded on the bearing portion 13, so that the first limiting structure 135 may have the same heat insulating performance as that of the bearing portion 13, and further, the second processing workpiece is prevented from being affected by heat in the heating process of the first processing workpiece, and the structural stability and reliability of the welding fixture 100 are further improved.

Further, referring to fig. 1, in an embodiment of the present utility model, the carrying portion 13 is further provided with a second limiting structure 137, the second limiting structure 137 is disposed between the two first limiting structures 135, and the second limiting structure 137 is used for inserting and fixing a second processing workpiece.

In this embodiment, the second processing workpiece may be provided with a plugging fixing hole, at this time, by setting the bearing portion 13 in the processing groove 133 with the second limiting structure 137, the second limiting structure 137 may be a columnar structure or a protruding structure matched with the plugging fixing hole of the second processing workpiece, and the second limiting structure 137 is set between the two first limiting structures 135, so that when the second processing workpiece is preloaded into the processing groove 133, the second limiting structure 137 may be plugged into the plugging fixing hole of the second processing workpiece, and then the second limiting structure 137 is utilized to plug into and fix and limit the second processing workpiece, and under the matching limiting effect of the first limiting structure 135, the limiting fixing effect of the welding fixture 100 on the second processing workpiece may be further improved, at this time, the second limiting structure 137 may be arranged in the plugging fixing hole in a penetrating manner, so that the second processing workpiece may be better kept by the vertical lowering movement of the second limiting structure 137 when the diverter welding device pushes the second processing workpiece to the first processing workpiece for welding, and further improvement of the reliability of the welding fixture in the welding process of the second processing workpiece is better avoided, and further improvement of the practical welding reliability of the second processing workpiece is avoided. The second limiting structure 137 may be formed by integrally injection molding or integrally casting with the bearing portion 13, or the second limiting structure 137 is made of a heat insulating material identical to that of the bearing portion 13 and is connected to the bearing portion 13, so that the second limiting structure 137 may have the same heat insulating performance as that of the bearing portion 13, and further, the second processing workpiece is prevented from being affected by heat in the heating process of the first processing workpiece, and the structural stability and reliability of the welding fixture 100 are further improved.

Referring to fig. 1, in an embodiment of the present utility model, the carrying portion 13 is provided with a heat insulation table 139 in each processing groove 133, the heat insulation table 139 is provided on a groove bottom wall of the processing groove 133 and is disposed side by side with the first processing workpiece, and a surface of the heat insulation table 139 opposite to the heat conducting portion 11 is used for supporting a second processing workpiece in an abutting manner.

In the present embodiment, by providing the heat insulating stand 139 on the tank bottom wall of the processing tank 133, the heat insulating stand 139 may be formed integrally with the carrying portion 13, or may be formed of the same heat insulating material as the carrying portion 13, so that the heat insulating stand 139 may have a certain heat insulating performance. Through setting up thermal-insulated platform 139 side by side in one side of first processing work piece to correspond the second processing work piece and show the partial setting in the outside of first processing work piece, at this moment, because the tank bottom wall of processing groove 133 is the surface of heat conduction portion 11, through setting up thermal-insulated platform 139, can utilize thermal-insulated platform 139 to keep apart the tank bottom wall of second processing work piece and processing groove 133 when the second processing work piece moves to first processing work piece, be favorable to preventing better that the second processing work piece from receiving the heat influence of heat conduction portion 11, improve shunt welding set's welding process finished product qualification rate better. And utilize thermal-insulated platform 139 can also play certain supporting role for thermal-insulated platform 139 can support the part that the second processing work piece did not contact with first processing work piece, is favorable to avoiding the second processing work piece to receive the bending when the pressure effect is great, has further improved welding jig 100's structural stability and reliability.

Referring to fig. 1, in one embodiment of the present utility model, a welding fixture 100 is defined to have a height direction, and a carrying spring piece 131 includes a connection section 1311 and a support section 1313, where the connection section 1311 is connected to a surface of the carrying portion 13 opposite to the heat conducting portion 11; the supporting section 1313 is bent and connected to the connecting section 1311, and is obliquely arranged, the distance between the supporting section 1313 and the inner wall of the bearing portion 13 gradually increases from top to bottom along the height direction, the supporting section 1313 is made of an elastic material, and the supporting section 1313 is used for bearing and supporting the second processing workpiece.

In this embodiment, the bearing elastic piece 131 may include a connection section 1311 and a support section 1313, and may be fixed on the bearing portion 13 by using the connection section 1311 to connect, and at this time, the connection section 1311 may be fixed on the bearing portion 13 by using a bolt, or a clamping groove or a clip may be provided on the bearing portion 13 to clamp and fix the connection section 1311, so as to improve the connection stability and reliability of the bearing elastic piece 131 and the bearing portion 13. At this time, the supporting section 1313 formed by manufacturing a certain elastic material is bent and connected to the connecting section 1311, and the distance between the supporting section 1313 and the inner wall of the bearing portion 13 is gradually increased from top to bottom along the height direction, so that the supporting section 1313 forms a certain inclined supporting structure and is arranged on the inner wall of the bearing portion 13, and further the second processing workpiece can be more stably supported on the supporting section 1313 of the bearing elastic piece 131, so that the bearing elastic piece 131 is arranged above the first processing workpiece at intervals. After the temperature of the first machined workpiece reaches the welding temperature, the second machined workpiece can be welded by applying a pushing force on the second machined workpiece, the second machined workpiece can move downwards towards the first machined workpiece under the action of the pressing force, at the moment, the supporting part of the bearing elastic piece 131 can be pushed by the second machined workpiece in the descending process, under the connecting and fixing action of the connecting part on the supporting part, the other end of the supporting part is stressed to be elastically deformed to move towards the inner wall of the bearing part 13, and then the second machined workpiece can drive the supporting section 1313 of the bearing elastic piece 131 to elastically retract under the action of the pushing force to release the supporting action on the second machined workpiece, so that the avoidance of the bearing elastic piece 131 when moving the second machined workpiece is realized, and the second machined workpiece can stably move to the first machined workpiece to realize welding, so that the structural reliability and stability of the welding fixture 100 are further improved.

Referring to fig. 1, in an embodiment of the present utility model, a third limiting structure 111 is disposed on a surface of the heat conducting portion 11, and the third limiting structure 111 is used for inserting and fixing the first processing workpiece.

In this embodiment, a fixing hole may be formed on the first machined workpiece, at this time, by setting a third limit structure 111 on the surface of the heat conducting portion 11, the third limit structure 111 may be a limit post or a limit protrusion structure connected to the heat conducting portion 11, so that when the first machined workpiece is preassembled onto the welding fixture 100, the third limit structure 111 may be inserted into the fixing hole of the first machined workpiece, so as to achieve limit fixing of the first machined workpiece, which is favorable for avoiding the first machined workpiece from shifting on the welding fixture 100, so that the first machined workpiece and the second machined workpiece can be better and accurately aligned for welding, thereby ensuring the production qualification rate of the welding device of the current divider, and further improving the practicality and reliability of the welding fixture 100.

In one embodiment of the present utility model, the carrying portion 13 is detachably connected to the heat conducting portion 11.

In this embodiment, a fastening structure or a bolt fixing structure that is matched with each other may be provided between the bearing portion 13 and the heat conducting portion 11, so that the bearing portion 13 and the heat conducting portion 11 may be fastened and fixed by a fastening connection or a bolt connection to form a detachable whole, which is favorable for convenient assembly between the bearing portion 13 and the heat conducting portion 11. And through adopting the detachable connection setting with carrying part 13 and heat conduction portion 11, can realize the boundary extraction of processing work piece through dismantling carrying part 13 and heat conduction portion 11 after welding process finishes, receive the baffle of carrying shell fragment 131 when avoiding extracting the work piece after the processing from welding jig 100 and be inconvenient for the extraction of processing work piece to be off-line, effectively improved welding jig 100's simple operation nature, further improved welding jig 100's practicality and reliability.

The utility model also provides a welding device for the shunt, which comprises a pushing mechanism 300 and a welding fixture 100, wherein the pushing mechanism 300 is movably arranged above the welding fixture 100, and the specific structure of the welding fixture 100 refers to the embodiment.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A welding fixture, comprising:

the heat conduction part is used for bearing a first processing workpiece; and

the bearing part is connected to the heat conducting part, the bearing part is made of heat insulation materials, the bearing part is provided with a bearing elastic sheet, and the bearing elastic sheet is used for bearing the second processing workpiece and enabling the second processing workpiece to be arranged above the first processing workpiece at intervals.

2. The welding jig of claim 1, wherein the carrying portion and the heat conducting portion are surrounded to form at least one processing groove, a surface of the heat conducting portion is formed to be a groove bottom wall of the processing groove, the processing groove is used for accommodating a first processing workpiece and a second processing workpiece, and two opposite inner side walls of each processing groove are respectively provided with the carrying elastic sheet.

3. The welding jig of claim 2 wherein the inner side wall of the processing tank is disposed around the first processed workpiece, and the inner side wall of the processing tank is concavely provided with a pick-and-place avoiding tank.

4. The welding jig of claim 2 wherein the carrier portion has two first spacing structures disposed in each processing slot, the two first spacing structures being spaced apart and adapted to abut respectively opposite sides of a second processed workpiece.

5. The welding jig of claim 4, wherein the carrier portion further comprises a second limiting structure, the second limiting structure being disposed between the two first limiting structures, the second limiting structure being configured to plug-in fix the second machined workpiece.

6. The welding jig of claim 2, wherein the carrying portion is provided with a heat insulating table in each of the processing grooves, the heat insulating table is provided on a bottom wall of the processing groove and is arranged side by side with the first processing workpiece, and a surface of the heat insulating table facing away from the heat conducting portion is used for supporting a second processing workpiece in an abutting manner.

7. The welding jig of any one of claims 1 to 6 wherein the welding jig is defined to have a height direction, the load-bearing dome comprising:

the connecting section is connected to the surface of the bearing part, which is opposite to the heat conducting part; and

the support section, the support section buckle connect in the linkage segment to the slope sets up, interval between support section and the inner wall of bearing part is along the direction of height top-down increase gradually, the material of support section is elastic material, the support section is used for bearing and supporting the second processing work piece.

8. The welding jig according to any one of claims 1 to 6, wherein a third limit structure is provided on a surface of the heat conducting portion, the third limit structure being configured to insert and fix the first processed workpiece.

9. The welding jig of any one of claims 1 to 6 wherein the carrier portion is detachably connected to the thermally conductive portion.

10. A welding device for a shunt, characterized in that the welding device for a shunt comprises a pushing mechanism and a welding fixture, wherein the welding fixture is one of the welding fixtures of claims 1 to 9, and the pushing mechanism is movably arranged above the welding fixture.