CN219881517U

CN219881517U - Flat welding jig

Info

Publication number: CN219881517U
Application number: CN202320904835.4U
Authority: CN
Inventors: 李斌; 巫辅根
Original assignee: Hunan Shengyuan Energy Technology Co ltd
Current assignee: Hunan Shengyuan Energy Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-10-24
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses a horizontally arranged welding jig, which comprises a base, wherein a replaceable jig plate is arranged on the base, a soldering tin groove is formed in the replaceable jig plate, a first accommodating groove and a second accommodating groove are also formed in the replaceable jig plate, the first accommodating groove and the second accommodating groove are respectively in butt joint with the soldering tin groove and are symmetrically arranged on two sides of the soldering tin groove, a bracket is fixedly arranged on the base, a first wire pressing unit and a second wire pressing unit are arranged on the bracket, the first wire pressing unit and the second wire pressing unit are respectively positioned right above the first accommodating groove and the second accommodating groove at the arrangement positions, and the soldering tin groove is used for positioning welding parts of connecting wires and plug wires to be welded; the first accommodating groove is used for accommodating and limiting the fixed patch cord; the second accommodating groove is used for accommodating and limiting the fixed connecting wire; the first pressing line unit is used for driving the first pressing block to pre-press and fix the patch cord in the first accommodating groove; the second line pressing unit is used for driving a connecting line which is fixedly pressed in the second accommodating groove by the second pressing block.

Description

Flat welding jig

Technical Field

The utility model relates to the technical field of lithium ion battery pack production, in particular to a horizontally-arranged welding jig.

Background

In the process of generating and processing the lithium ion battery pack, a connecting wire and a patch cord of the lithium ion battery pack are required to be welded. In the related art, the connecting wire and the patch cord are welded in a manual welding mode, and the connecting wire and the patch cord are easy to slide in the welding process by adopting manual welding, so that cold joint is caused, and the time for manually fixing the wire is long; meanwhile, when welding, the connecting wire is required to be fixed through tweezers or scissors, the handheld electric iron is used for welding, tin cannot be added at the moment, the tin which is required to be added in advance at the welding position of two wires to be welded is required to be mutually fused together, then tin supplementing operation is carried out, and therefore the welding efficiency of the connecting wire and the patch cord is low, and the welding quality is low.

Aiming at the problems of low welding efficiency and low welding quality of a connecting wire and a patch cord of a lithium-ion battery pack in the related art, a better technical scheme is not yet available.

Disclosure of Invention

In view of the foregoing, it is necessary to provide a horizontally arranged welding jig to at least solve the problems of low welding efficiency and low welding quality of the connecting wire and the patch cord of the lithium-ion battery pack in the related art.

The technical scheme provided by the embodiment of the utility model is as follows: the flat welding jig comprises a base, wherein a replaceable jig plate is arranged on the base, a soldering tin groove is formed in the replaceable jig plate, a first accommodating groove and a second accommodating groove are further formed in the replaceable jig plate, the first accommodating groove and the second accommodating groove are respectively in butt joint with the soldering tin groove and are symmetrically arranged on two sides of the soldering tin groove, a support is further fixedly arranged on the base, a first wire pressing unit and a second wire pressing unit are arranged on the support, and the first wire pressing unit and the second wire pressing unit are respectively positioned right above the first accommodating groove and the second accommodating groove in the arrangement positions, wherein the soldering tin groove is used for positioning a welding part of a connecting wire and a plug wire to be welded; the first accommodating groove is used for accommodating the patch cord and limiting and fixing the patch cord; the second accommodating groove is used for accommodating the connecting wire and limiting and fixing the connecting wire; the first pressing line unit is used for driving a corresponding first pressing block to pre-press and fix the patch cord in the first accommodating groove; the second line pressing unit is used for driving a connecting line which is fixedly arranged in the second accommodating groove in a prepressing mode through a corresponding second pressing block.

In one embodiment, the support comprises a vertical column, the vertical bottom end of the vertical column is fixedly connected with the base, two truss arms perpendicular to the vertical column and extending transversely are arranged on the vertical top end of the vertical column, each truss arm is far away from the end connected with the vertical column and is provided with an L-shaped mounting table, and the first line pressing unit and the second line pressing unit are respectively arranged on the corresponding L-shaped mounting tables.

In one embodiment, the first wire pressing unit further comprises a first driving unit and a first welding connecting rod, the first driving unit is vertically arranged on the corresponding L-shaped mounting table, an output shaft of the first driving unit is connected with the first welding connecting rod, and the first welding connecting rod is far away from an end connected with the output shaft of the first driving unit and is connected with the first pressing block, wherein the first welding connecting rod is an arch-shaped connecting rod.

In one embodiment, the second wire pressing unit further comprises a second driving unit and a second welding connecting rod, the second driving unit is vertically arranged on the corresponding L-shaped mounting table, an output shaft of the second driving unit is connected with the second welding connecting rod, and the second welding connecting rod is far away from the end connected with the output shaft of the second driving unit and is connected with the second pressing block, wherein the second welding connecting rod is a straight connecting rod.

In one embodiment, the first driving unit and the second driving unit are both driving cylinders.

In one embodiment, the first drive unit is connected to the first welded connection rod by a threaded sleeve and/or the second drive unit is connected to the second welded connection rod by a threaded sleeve.

In one embodiment, the bottom end surfaces of the first pressing block and the second pressing block are respectively provided with a silica gel gasket.

In one embodiment, the vertical column is further provided with two control devices for controlling the first driving unit and the second driving unit, wherein the control devices comprise electromagnetic valves.

In one embodiment, the first accommodating groove comprises a plug groove part and a first wire dividing beam part, and the second accommodating groove comprises a second wire dividing beam part, wherein the plug groove part is used for accommodating plug terminals of plug wires; the first wire dividing beam part is used for dividing the wire harness of the patch cord and limiting and fixing the wire harness of the patch cord by matching with the first pressing block; the second wire dividing beam part is used for dividing the wire harness of the connecting wire and is matched with the second pressing block to limit and fix the wire harness of the connecting wire.

Compared with the prior art, the horizontal welding jig provided by the embodiment of the utility model can meet the welding and fixing requirements of connecting wires with different specifications and sizes and patch wires by arranging the first accommodating groove and the second accommodating groove respectively, enabling the welding position of the patch wires and the butt joint of the connecting wires to be positioned in the soldering tin groove, and realizing the limiting and fixing of the patch wires and the connecting wires and the positioning of welding positions by matching with the first wire pressing unit and the second wire pressing unit respectively, and simultaneously can meet the requirements of reducing the sliding of wires in the welding process and the tin supplementing in the welding process, shortening the time for fixing the wires in the welding process, improving the production efficiency and the welding quality, and solving the problems of low welding efficiency and low welding quality of the connecting wires and the patch wires of the lithium electronic battery pack in the related art.

Drawings

FIG. 1 is a perspective view of a flat welding jig according to an embodiment of the present utility model;

fig. 2 is an assembly diagram of a bracket, a first wire pressing unit and a second wire pressing unit according to an embodiment of the present utility model;

fig. 3 is a structural diagram of a replaceable jig plate according to an embodiment of the present utility model.

Reference numerals:

100. a base;

200. a replaceable jig plate; 201. a solder tank; 202. a first accommodating groove; 203. a second accommodating groove; 204. a plug groove part; 205. a first harness dividing portion; 206. a second harness dividing portion;

300. a bracket; 31. a vertical column; 32. a truss arm; 321. an L-shaped mounting table;

400. a first wire pressing unit; 41. a first briquette; 42. a first driving unit; 43. a first welded connecting rod;

500. a second wire pressing unit; 51. a second briquetting; 52. a second driving unit; 53. a second welded connecting rod;

600. a silica gel pad;

700. and a control device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 is noted that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the flat welding jig according to the embodiment of the utility model includes a base 100, a replaceable jig plate 200 is provided on the base 100, a solder slot 201 is provided on the replaceable jig plate 200, a first accommodating groove 202 and a second accommodating groove 203 are further provided on the replaceable jig plate 200, the first accommodating groove 202 and the second accommodating groove 203 are respectively butted with the solder slot 201 and symmetrically provided on two sides of the solder slot 201, a bracket 300 is further fixedly provided on the base 100, the bracket 300 is provided with a first wire pressing unit 400 and a second wire pressing unit 500, and the first wire pressing unit 400 and the second wire pressing unit 500 are respectively located right above the first accommodating groove 202 and the second accommodating groove 203 in the setting positions,

and a solder groove 201 for positioning a welding portion of the connecting wire and the patch cord to be welded.

In this embodiment, the soldering tin groove 201 is also an operation port for soldering the soldering position (i.e. soldering portion) corresponding to the connecting wire and the patch cord, and after the corresponding wires are respectively placed in the first accommodating groove 202 and the second accommodating groove 203 and the soldering positions of the corresponding wires are butted, the soldering head of the electric soldering iron is placed in the soldering tin groove 201, so that the connection wire and the patch cord can be soldered; in the present embodiment, during the soldering process, the corresponding solder is also injected into the solder tank 201, so that the solder wets the corresponding soldered portion.

The first accommodating groove 202 is used for accommodating the patch cord and limiting and fixing the patch cord.

In this embodiment, the first accommodating groove 202 accommodates the patch cord and also positions and fixes the patch cord to reduce the sliding of the wire in the welding process.

The second accommodating groove 203 is used for accommodating the connecting wire and limiting and fixing the connecting wire.

In this embodiment, the second accommodating groove 203 accommodates the connecting wire and also positions and fixes the connecting wire to reduce the sliding of the wire in the welding process.

The first pressing unit 400 is used for driving the corresponding first pressing block 41 to pre-press and fix the patch cord in the first accommodating groove 202.

In this embodiment, the first pressing unit 400 drives the first pressing block 41 to move toward the first accommodating groove 202, and makes the first pressing block 41 press on the first accommodating groove 202 to limit and fix the plug wire, thereby reducing the sliding of the wire in the welding process.

The second pressing unit 500 is used for driving the corresponding second pressing block 51 to pre-press and fix the connecting wire in the second accommodating groove 203.

In this embodiment, the second pressing unit 500 drives the second pressing block 51 to move towards the second accommodating groove 203, and the second pressing block 51 is pressed onto the second accommodating groove 203 to limit and fix the connecting wire, so as to reduce sliding of the wire in the welding process.

In the above-mentioned flat welding jig, through setting up the replaceable jig board 200 of removable, and then satisfy the fixed demand of welding of connecting wire and patch cord of different specification sizes, place patch cord and connecting wire respectively through adopting first accommodation groove 202 and second accommodation groove 203, and make the welded part that patch cord and connecting wire butt joint be located soldering tin groove 201, spacing press-fit to patch cord and connecting wire respectively in cooperation first line ball unit 400 and second line ball unit 500, realize spacing fixed and the location of welding position to patch cord and connecting wire, can also satisfy the slip of reduction wire rod in the welding process and carry out the tin-supplementing in the welding process, the fixed wire rod's of welding in-process time has been shortened, production efficiency and welding quality are improved, the problem that lithium electronic battery pack's connecting wire and patch cord carry out welding inefficiency and welding quality are low in the solution correlation technique.

In order to realize the installation of the first wire pressing unit and the second wire pressing unit, in one embodiment, referring to fig. 1 and 2, the bracket 300 includes a vertical column 31, a vertical bottom end of the vertical column 31 is fixedly connected with the base 100, a vertical top end of the vertical column 31 is provided with two truss arms 32 perpendicular to the vertical column 31 and extending transversely, an L-shaped mounting table 321 is provided at an end, far away from the end connected with the vertical column 31, of each truss arm 32, and the first wire pressing unit 400 and the second wire pressing unit 500 are respectively installed on the corresponding L-shaped mounting table 321.

In this embodiment, the vertical upright 31 may be an aluminum alloy upright, and is locked to the base 100 or welded to the base; in this embodiment, the truss arm 32 is a stainless steel sheet integrally formed with an L-shaped mounting table 321, and the truss arm 32 is welded to the vertical column 31.

In order to realize the movement of the first pressing block 41 for the purpose of driving the wire rod to perform the limit fixation, referring to fig. 2, in some embodiments, the first wire pressing unit 400 further includes a first driving unit 42 and a first welding connection rod 43, the first driving unit 42 is vertically disposed on the corresponding L-shaped mounting table 321, an output shaft of the first driving unit 42 is connected with the first welding connection rod 43, and an end of the first welding connection rod 43, which is far from the output shaft connected with the first driving unit 42, is connected with the first pressing block 41, wherein the first welding connection rod 43 is an arcuate connecting rod.

In this embodiment, to achieve the initial height of the first press 41 pitch-replaceable jig plate 200, the first driving unit 42 is connected to the first welding connection rod 43 through a screw sleeve (not shown in the drawing).

It will be appreciated that, by adjusting the threaded sleeve, the adjustment of the height of the first pressing block 41 can be realized, and then the adjustment of the compression degree of compressing different wires can be satisfied.

In some alternative embodiments, the first driving unit 42, which is capable of driving the first welding connection rod 43 to move vertically to drive the first pressing block 41 to pre-press and fix the plug wire, is suitable for the first driving unit according to the embodiment of the present utility model, for example: the first driving unit 42 may be a driving cylinder.

In order to realize the movement of the second pressing block 42 for the purpose of driving the wire rod to perform the limit fixation, referring to fig. 2, in some embodiments, the second wire pressing unit 500 further includes a second driving unit 52 and a second welding connection rod 53, where the second driving unit 52 is vertically disposed on the corresponding L-shaped mounting table 321, an output shaft of the second driving unit 52 is connected with the second welding connection rod 53, and an end of the second welding connection rod 53, which is far from the output shaft connected with the second driving unit 52, is connected with the second pressing block 51, and the second welding connection rod 53 is a straight connection rod.

In this embodiment, to achieve the initial height of the second press block 51 to which the jig plate 200 is to be replaced, the second driving unit 52 is connected to the second welding rod 53 through a screw bushing (not shown).

It can be appreciated that, by adjusting the threaded sleeve, the height of the second pressing block 51 can be adjusted, and then the adjustment of the compression degree of compressing different wires can be satisfied.

In some alternative embodiments, the second driving unit 52, which is capable of driving the second welding connection rod 53 to move vertically to drive the second pressing block 51 to pre-press and fix the connection line, is suitable for the second driving unit according to the embodiment of the present utility model, for example: the second driving unit 52 may be a driving cylinder.

To protect the wire rods fixed by the pre-pressing, the corresponding wire rods are prevented from being crushed, and in some embodiments, the bottom end surfaces of the first pressing block 41 and the second pressing block 51 are provided with a silica gel gasket 600.

In some of these embodiments, the vertical column 31 is further provided with two control devices 700 for controlling the first drive unit 42 and the second drive unit 52, wherein the control devices (700) comprise solenoid valves.

In this embodiment, the solenoid valve is used to control on-off of a pipeline for supplying air to the air intake and the air exhaust of the driving cylinders corresponding to the first driving unit 42 and the second driving unit 52, so as to realize start-stop control of the corresponding driving cylinders.

To achieve the accommodation of the connection wires and the patch cords, referring to fig. 1 and 3, in some embodiments, the first accommodation groove 202 includes a plug-in groove portion 204 and a first harness splitting portion 205, and the second accommodation groove 203 includes a second harness splitting portion 206, where the plug-in groove portion 204 is used to accommodate a plug-in terminal of the patch cord; a first wire harness branching portion 205 for branching the wire harness of the patch cord and limiting and fixing the wire harness of the patch cord in cooperation with the first pressing block 41; and the second wire dividing beam part 206 is used for dividing the wire harness of the connecting wire and limiting and fixing the wire harness of the connecting wire by matching with the second pressing block 51.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a flat welding jig, its characterized in that includes base (100), be equipped with interchangeable tool board (200) on base (100), interchangeable tool board (200) system has soldering tin groove (201), interchangeable tool board (200) are last still to be equipped with first holding groove (202) and second holding groove (203), first holding groove (202) with second holding groove (203) respectively with soldering tin groove (201) butt joint and symmetry set up soldering tin groove (201) both sides, still set firmly support (300) on base (100), support (300) are equipped with first line ball unit (400) and second line ball unit (500), just first line ball unit (400) with second line ball unit (500) are located respectively in the setting position first holding groove (202) and directly over second holding groove (203),

the soldering tin groove (201) is used for positioning a welding part of a connecting wire and a plug wire to be welded and connected;

the first accommodating groove (202) is used for accommodating the patch cord and limiting and fixing the patch cord;

the second accommodating groove (203) is used for accommodating the connecting wire and limiting and fixing the connecting wire;

the first wire pressing unit (400) is used for driving a corresponding first pressing block (41) to pre-press and fix the patch wires in the first accommodating groove (202);

the second pressing line unit (500) is used for driving a connecting line which is fixedly arranged in the second accommodating groove (203) in a prepressing mode by a corresponding second pressing block (51).

2. The horizontally arranged welding jig according to claim 1, wherein the bracket (300) comprises a vertical column (31), the vertical bottom end of the vertical column (31) is fixedly connected with the base (100), two truss arms (32) perpendicular to the vertical column (31) and extending transversely are arranged at the vertical top end of the vertical column (31), an L-shaped mounting table (321) is arranged at the end, far away from the connection end of the vertical column (31), of each truss arm (32), and the first wire pressing unit (400) and the second wire pressing unit (500) are respectively arranged on the corresponding L-shaped mounting table (321).

3. The horizontally arranged welding jig according to claim 2, wherein the first wire pressing unit (400) further comprises a first driving unit (42) and a first welding connecting rod (43), the first driving unit (42) is vertically arranged on the corresponding L-shaped mounting table (321), an output shaft of the first driving unit (42) is connected with the first welding connecting rod (43), and an end, far away from the end connected with the output shaft of the first driving unit (42), of the first welding connecting rod (43) is connected with the first pressing block (41), wherein the first welding connecting rod (43) is an arch-shaped connecting rod.

4. The horizontally arranged welding jig according to claim 3, wherein the second wire pressing unit (500) further comprises a second driving unit (52) and a second welding connecting rod (53), the second driving unit (52) is vertically arranged on the corresponding L-shaped mounting table (321), an output shaft of the second driving unit (52) is connected with the second welding connecting rod (53), and an end, far away from the end connected with the output shaft of the second driving unit (52), of the second welding connecting rod (53) is connected with the second pressing block (51), wherein the second welding connecting rod (53) is a straight connecting rod.

5. The flat welding jig according to claim 4, wherein the first drive unit (42) and the second drive unit (52) are both drive cylinders.

6. The horizontally arranged welding jig according to claim 5, characterized in that the first drive unit (42) is connected with the first welding connection rod (43) by means of a threaded sleeve and/or the second drive unit (52) is connected with the second welding connection rod (53) by means of a threaded sleeve.

7. The horizontally arranged welding jig according to claim 5, wherein the bottom end surfaces of the first press block (41) and the second press block (51) are both provided with a silica gel gasket (600).

8. The horizontally arranged welding jig according to claim 5, wherein the vertical column (31) is further provided with two control devices (700) controlling the first drive unit (42) and the second drive unit (52), wherein the control devices (700) comprise solenoid valves.

9. The flat welding jig according to claim 1, wherein the first accommodation groove (202) includes an insert groove portion (204) and a first harness portion (205), the second accommodation groove (203) includes a second harness portion (206), wherein the insert groove portion (204) is for accommodating an insert terminal of a patch cord; the first wire dividing part (205) is used for dividing the wire harness of the patch cord and limiting and fixing the wire harness of the patch cord by matching with the first pressing block (41); the second wire dividing beam part (206) is used for dividing the wire harness of the connecting wire and limiting and fixing the wire harness of the connecting wire by matching with the second pressing block (51).