Capacitor module welding jig
By designing a capacitor module welding fixture, and utilizing sliding connections and magnetic suction devices to achieve precise positioning of capacitor terminals, the problems of low assembly efficiency and poor welding quality of capacitor modules are solved, thereby improving the assembly efficiency and welding quality of capacitor modules.
Patent Information
- Application Number
- CN202423075910.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In the existing technology, when assembling capacitor modules, it is troublesome for operators to adjust the position of capacitor terminals, resulting in low assembly efficiency and difficulty in ensuring welding quality.
Design a capacitor module welding fixture, including a base, a first positioning plate and a second positioning plate, to achieve alignment and angle adjustment of terminal positioning slots through sliding connection, and to maintain stability with magnetic attraction device, adapting to different capacitor heights and specifications.
It simplifies the assembly process of capacitor modules, improves welding efficiency and quality, reduces the gap between terminals and connection holes, and improves welding accuracy and stability.
Smart Images
Figure CN223801722U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of capacitor module production, especially relates to a capacitor module welding jig. BACKGROUND
[0002] The capacitor module is connected between the terminals of two capacitors through a connecting sheet, and is formed by connecting a plurality of capacitors in series or parallel, and when assembling the capacitor module, two connecting holes on the connecting sheet need to be respectively sleeved into the terminals of two capacitors, and then the connecting sheet is connected and fixed with the terminals through welding.
[0003] At present, when assembling the capacitor module, the operator positions the capacitors in the jig, and then sleeves the connecting sheet, but since the jig cannot position the position of the terminal when the capacitors are put in, the angle of the terminal may be offset, resulting in deviation between the positions of the terminals of the two capacitors and the two connecting holes of the connecting sheet, and it is not easy to sleeve, so the operator usually needs to adjust the angle of the capacitor, and then the connecting hole of the connecting sheet can be sleeved into the terminals of the two capacitors, so that the manual adjustment operation is troublesome, the assembly efficiency is low, and the precision of manual adjustment is low, which may cause the gap between the capacitor terminals and the connecting holes of the connecting sheet to be too large in some positions, resulting in reduced welding quality. Therefore, the technical personnel in the field hope that a capacitor module welding jig can conveniently adjust the position of the capacitor terminal, improve the assembly efficiency of the connecting sheet and the terminal, and improve the welding efficiency and welding quality of the capacitor module. SUMMARY
[0004] The main purpose of the utility model is to provide a capacitor module welding jig, which aims to solve the technical problems of troublesome operation of the operator in adjusting the position of the capacitor terminal and low assembly efficiency in the prior art.
[0005] To achieve the above-mentioned purpose, the utility model provides a capacitor module welding jig, which comprises a base, a first positioning plate and a second positioning plate, the base is provided with a containing groove for placing capacitors, the first positioning plate and the second positioning plate are respectively arranged on the front side and the rear side above the containing groove, the first positioning plate and the second positioning plate are both in sliding connection with the base, the first positioning plate and the second positioning plate can approach or move away from each other in the front-rear direction, the rear side of the first positioning plate is provided with a first terminal positioning groove, the front side of the second positioning plate is provided with a second terminal positioning groove, the first terminal positioning groove and the second terminal positioning groove are arranged opposite to each other, and the first terminal positioning groove and the second terminal positioning groove can accommodate and position the terminals of the capacitors when approaching each other.
[0006] The plurality of capacitors can be placed in the accommodating groove of the base, and the first positioning plate and the second positioning plate can slide forward and backward above the accommodating groove; after the plurality of capacitors are placed in the accommodating groove by the operator, the first positioning plate and the second positioning plate are pushed to be close to each other, the first terminal positioning groove and the second terminal positioning groove push the terminals of the capacitors to rotate to the middle during the process of being close to each other, and finally the terminals are positioned between the first terminal positioning groove and the second terminal positioning groove, and the angles of the plurality of capacitors can be adjusted at the same time, at this time, the positions of the terminals of the adjacent two capacitors are matched and aligned with the positions of the two connecting holes of the connecting piece, and then the operator can conveniently sleeve the connecting piece, and there is no need to adjust the angles of the capacitors one by one to match the connecting piece; in addition, the terminals of the capacitors are more convenient to connect with the connecting holes of the connecting piece, which is beneficial to reducing the gap between the terminals and the connecting holes and improving the welding quality. By using the capacitor module welding jig, the operation of assembling the capacitor module is more convenient, and the welding efficiency and the welding quality of the capacitor module are improved.
[0007] Preferably, the base comprises a positioning seat, a left side plate and a right side plate, the accommodating groove is arranged on the positioning seat, the left side plate and the right side plate are fixedly connected to the left and right sides of the positioning seat respectively, the first positioning plate and the second positioning plate are arranged between the left side plate and the right side plate, and the left side of the first positioning plate and the left side of the second positioning plate are slidably connected to the left side plate, and the right side of the first positioning plate and the right side of the second positioning plate are slidably connected to the right side plate.
[0008] The first positioning plate and the second positioning plate are arranged between the left side plate and the right side plate, the left side plate and the right side plate provide support for the left and right sides of the first positioning plate and the second positioning plate, so that the structure of the first positioning plate and the second positioning plate is more stable, and the front and back sides of the space below the first positioning plate and the second positioning plate can be conveniently used for placing capacitors or preliminary adjustment.
[0009] Preferably, the left side plate is fixedly connected with a first guide rail, the right side plate is fixedly connected with a second guide rail, the first guide rail and the second guide rail extend in the front-rear direction, the left side of the first positioning plate and the left side of the second positioning plate are slidably connected to the first guide rail, and the right side of the first positioning plate and the right side of the second positioning plate are slidably connected to the second guide rail.
[0010] The first guide rail and the second guide rail have simple structures, so that the first positioning plate and the second positioning plate slide more smoothly.
[0011] Preferably, the left side plate is provided with a first adjusting long hole, the right side plate is provided with a second adjusting long hole, the first adjusting long hole and the second adjusting long hole extend in the up-down direction, the left and right sides of the positioning seat are respectively provided with a first screw hole and a second screw hole, the first screw hole is opposite to the first adjusting long hole and is connected by a first screw, and the second screw hole is opposite to the second adjusting long hole and is connected by a second screw.
[0012] Since the left side plate is provided with the first adjusting long hole and the right side plate is provided with the second adjusting long hole, when the first screw and the second screw are loosened, the up-down positions of the left side plate and the right side plate can be adjusted, so that the up-down positions of the first positioning plate and the second positioning plate can be adjusted according to the height of the terminals of the capacitor, the use is more flexible, and different height capacitors can also be adapted.
[0013] Preferably, the positioning seat is further provided with a first avoiding hole and a second avoiding hole, the first avoiding hole is located directly below the left side plate, the second avoiding hole is located directly below the right side plate, the first avoiding hole can be inserted into the left side plate, and the second avoiding hole can be inserted into the right side plate.
[0014] The first avoiding hole and the second avoiding hole are arranged directly below the left side plate and the right side plate respectively, so that when the left side plate and the right side plate are adjusted downward, the lower side of the left side plate can be inserted into the first avoiding hole, and the lower side of the right side plate can be inserted into the second avoiding hole, so that the left side plate and the right side plate can be adjusted downward by a greater distance, increasing the range of adapting to the height of the capacitor.
[0015] Preferably, the first positioning plate and the second positioning plate are provided with a magnetic attraction device, and the magnetic attraction device can attract the first positioning plate and the second positioning plate to each other when they are close to each other.
[0016] When the first positioning plate and the second positioning plate are close to each other, the magnetic attraction device can attract the first positioning plate and the second positioning plate to each other, so as to keep the close state during the welding process, keep the capacitor and the terminal, and improve the welding quality; after the welding is completed, the operator can also conveniently separate the first positioning plate and the second positioning plate to take out the capacitor module.
[0017] Preferably, the magnetic attraction device comprises a first magnetic attraction piece and a second magnetic attraction piece, the first magnetic attraction piece is fixedly connected to the first positioning plate, the second magnetic attraction piece is fixedly connected to the second positioning plate, and the first magnetic attraction piece and the second magnetic attraction piece are opposite to each other and can attract each other.
[0018] Preferably, the first positioning plate is further provided with a first capacitor positioning groove, the first capacitor positioning groove is arranged on the lower side of the first terminal positioning groove, the second positioning plate is further provided with a second capacitor positioning groove, the second capacitor positioning groove is arranged on the lower side of the second terminal positioning groove, the first capacitor positioning groove and the second capacitor positioning groove are arranged opposite to each other, and the first capacitor positioning groove and the second capacitor positioning groove can accommodate and position the capacitor when they are close to each other.
[0019] When the first positioning plate and the second positioning plate are close to each other and are attracted, the first capacitor positioning groove and the second capacitor positioning groove can push and position the capacitor, so that the capacitor is prevented from being inclined in the accommodating groove, and the stability during terminal fixing is improved.
[0020] Preferably, the capacitor module welding jig further comprises a fixing seat, the fixing seat is used for being fixed with an external welding device, and the fixing seat is detachably connected with the base.
[0021] The fixing seat is fixed with the welding device, and the base, the first positioning plate and the second positioning plate can be detached from the welding device. The base, the first positioning plate and the second positioning plate can have multiple groups. When a capacitor module is positioned on a group of the base, the first positioning plate and the second positioning plate and is connected to the fixing seat for welding, another group of the base, the first positioning plate and the second positioning plate can be removed from the capacitor module after welding and can be replaced with a new capacitor module to be welded. In this way, the welding efficiency can be improved by alternately performing the above operations.
[0022] Preferably, the fixing seat is provided with a positioning plug, the base is provided with a positioning hole, the positioning plug and the positioning hole are arranged in a matched mode, and the positioning plug can be inserted into the positioning hole. The positioning plug and the positioning hole can facilitate quick disassembly and positioning of the base. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to the structures shown in the drawings without creative labor.
[0024] Figure 1 The structure schematic view of the capacitor welding module jig of the present application when the capacitor is not put in;
[0025] Figure 2 The structure schematic view of the capacitor module welding jig of the present application when the capacitor is put in and the first positioning plate and the second positioning plate are not close to each other;
[0026] Figure 3The second positioning plate structure schematic view of the utility model is shown in the figure;
[0027] Figure 4 The capacitor module jig structure schematic view of the utility model when the first positioning plate and the second positioning plate are close to the terminal positioning end after the capacitor is put in;
[0028] Figure 5 The capacitor module jig structure schematic view of the utility model when the capacitor is connected by the connecting sheet;
[0029] Figure 6 The base disassembly structure schematic view of the capacitor module welding jig of the utility model.
[0030] In the drawing: 11-positioning seat, 111-receiving groove, 112-first screw hole, 114-first avoiding hole, 115-second avoiding hole, 116-positioning hole, 12-left side plate, 121-first guide rail, 122-first adjusting long hole, 13-right side plate, 131-second guide rail, 132-second adjusting long hole, 2-first positioning plate, 21-first terminal positioning groove, 24-first positioning sheet, 3-second positioning plate, 31-second terminal positioning groove, 32-second magnetic attraction piece, 33-second capacitor positioning groove, 34-second positioning sheet, 4-fixing seat, 41-positioning bolt, 5-capacitor, 51-terminal, 6-connecting sheet.
[0031] The utility model realizes the purpose, the functional feature and the advantage will be further explained in combination with the embodiment, and referring to the drawing. Specific implementation
[0032] The technical scheme in the embodiment of the utility model will be clearly and completely described in combination with the drawing in the embodiment of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of the utility model protection.
[0033] It should be noted that if the embodiment of the utility model involves directional indication, such as up, down, left, right, front, back, etc., the directional indication is only used to explain the relative position relationship, movement condition and the like between the components in a certain specific posture, if the specific posture changes, the directional indication also changes accordingly.
[0034] In addition, if the embodiments of the utility model have the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of the technical personnel in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.
[0035] As shown in Figures 1 to 6 , a capacitor module welding jig, comprising a base, a first positioning plate 2 and a second positioning plate 3, the base is provided with a containing groove 111 for placing capacitors 5, the first positioning plate 2 and the second positioning plate 3 are respectively arranged on the front side and the rear side above the containing groove 111, the first positioning plate 2 and the second positioning plate 3 are both in sliding connection with the base, the first positioning plate 2 and the second positioning plate 3 can approach or move away from each other in the front-rear direction, the rear side of the first positioning plate 2 is provided with a first terminal positioning groove 21, the front side of the second positioning plate 3 is provided with a second terminal positioning groove 31, the first terminal positioning groove 21 and the second terminal positioning groove 31 are arranged opposite to each other, and the first terminal positioning groove 21 and the second terminal positioning groove 31 can accommodate and position the terminals 51 of the capacitors when approaching each other.
[0036] The containing groove 111 of the base can place a plurality of capacitors 5 which need to be connected into a capacitor module. Taking the capacitor module with five capacitors 5 as an example, before welding, referring to Figure 1 , the first positioning plate 2 and the second positioning plate 3 are in a state of moving away from each other; then the operator places and arranges the five capacitors in the containing groove 111 along the left-right direction in turn, each capacitor has two terminals 51, a total of ten terminals 51, the first positioning plate 2 has ten first terminal positioning grooves 21, and the second positioning plate 3 has ten second terminal positioning grooves 31, the first terminal positioning groove 21 and the second terminal positioning groove 31 are in the same height as the terminals 51 of the capacitors 5, referring to Figure 2 ; then the first positioning plate 2 and the second positioning plate 3 are pushed to approach each other, so that each first terminal positioning groove 21 and each second terminal positioning groove 31 approach the corresponding terminal 51, the first terminal positioning groove 21 and the second terminal positioning groove 31 push the terminal 51 to rotate to the middle during the approaching process, finally the terminal 51 is positioned between the first terminal positioning groove 21 and the second terminal positioning groove 31, and the angles of the plurality of capacitors 5 can be adjusted at the same time, finally the first positioning plate 2 and the second positioning plate 3 are adhered to fix the ten terminals 51 in order, referring to Figure 4At this time, the positions of the terminals 51 of the two adjacent capacitors 5 are matched and aligned with the positions of the two connecting holes of the connecting piece 6; then the operator can conveniently put on the connecting piece 6, and the positions of the terminals 51 of the capacitors 5 are matched with the positions of the connecting holes of the connecting piece 6. Figure 5 Therefore, it is not necessary to adjust the angles of the capacitors 5 one by one to match the connecting piece 6. In addition, the terminals 51 of the capacitors 5 are more convenient to connect with the connecting holes of the connecting piece 6, which is beneficial to reduce the gap between the terminals 51 and the connecting holes and improve the welding quality. By using the capacitor module welding jig, the operation of assembling the capacitor module is more convenient, and the welding efficiency and welding quality of the capacitor module are improved.
[0037] In some specific embodiments, referring to Figure 6 The base includes a positioning seat 11, a left side plate 12 and a right side plate 13, a containing groove 111 is arranged on the positioning seat 11, the left side plate 12 and the right side plate 13 are respectively fixedly connected to the left and right sides of the positioning seat 11, the first positioning plate 2 and the second positioning plate 3 are arranged between the left side plate 12 and the right side plate 13, the left side of the first positioning plate 2 and the left side of the second positioning plate 3 are slidably connected to the left side plate 12, and the right side of the first positioning plate 2 and the right side of the second positioning plate 3 are slidably connected to the right side plate 13.
[0038] The first positioning plate 2 and the second positioning plate 3 are arranged between the left side plate 12 and the right side plate 13, and the left side plate 12 and the right side plate 13 provide support for the left and right sides of the first positioning plate 2 and the second positioning plate 3, so that the structure of the first positioning plate 2 and the second positioning plate 3 is more stable, and the front and rear sides of the lower side space of the first positioning plate 2 and the second positioning plate 3 can be conveniently used for operations such as placing the capacitors 5 or preliminarily adjusting the positions.
[0039] Further, the first guide rail 121 is fixedly connected to the left side plate 12, and the second guide rail 131 is fixedly connected to the right side plate 13. The first guide rail 121 and the second guide rail 131 extend in the front-rear direction. The left side of the first positioning plate 2 and the left side of the second positioning plate 3 are slidably connected to the first guide rail 121, and the right side of the first positioning plate 2 and the right side of the second positioning plate 3 are slidably connected to the second guide rail 131.
[0040] The structure of the first guide rail 121 and the second guide rail 131 is simple, so that the sliding of the first positioning plate 2 and the second positioning plate 3 is smoother.
[0041] Further, the first guide rail 121 is fixedly connected to the left side plate 12, and the second guide rail 131 is fixedly connected to the right side plate 13. The first guide rail 121 and the second guide rail 131 extend in the front-rear direction. The left side of the first positioning plate 2 and the left side of the second positioning plate 3 are slidably connected to the first guide rail 121, and the right side of the first positioning plate 2 and the right side of the second positioning plate 3 are slidably connected to the second guide rail 131.
[0042] Further, the left side plate 12 is provided with a first adjusting long hole 122, and the right side plate 13 is provided with a second adjusting long hole 132, both of which extend in the up-down direction. The left and right sides of the positioning seat 11 are respectively provided with a first screw hole 112 and a second screw hole. The first screw hole 112 is opposite to the first adjusting long hole 122 and is connected by a first screw, and the second screw hole is opposite to the second adjusting long hole 132 and is connected by a second screw.
[0043] Since the left side plate 12 is provided with the first adjusting long hole 122, and the right side plate 13 is provided with the second adjusting long hole 132, when the first screw and the second screw are loosened, the up-down positions of the left side plate 12 and the right side plate 13 can be adjusted, so that the up-down positions of the first positioning plate 2 and the second positioning plate 3 can be adjusted according to the height of the terminal 51 of the capacitor 5, which is more flexible to use, and can also adapt to capacitors 5 of different heights. After being adjusted to the appropriate height, the first screw and the second screw can fix the left side plate 12 and the right side plate 13.
[0044] Further, the positioning seat 11 is also provided with a first avoiding hole 114 and a second avoiding hole 115. The first avoiding hole 114 is located directly below the left side plate 12, and the second avoiding hole 115 is located directly below the right side plate 13. The first avoiding hole 114 can allow the left side plate 12 to be inserted, and the second avoiding hole 115 can allow the right side plate 13 to be inserted.
[0045] The first avoiding hole 114 is located directly below the left side plate 12, and the second avoiding hole 115 is located directly below the right side plate 13. When the left side plate 12 and the right side plate 13 are adjusted downward, the lower side of the left side plate 12 can be inserted into the first avoiding hole 114, and the lower side of the right side plate 13 can be inserted into the second avoiding hole 115. In this way, the left side plate 12 and the right side plate 13 can be adjusted downward by a greater distance, increasing the range of adaptation to the height of the capacitor 5.
[0046] Further, the first positioning plate 2 is detachably connected with a first positioning sheet 24, and the first terminal positioning groove 21 is arranged on the first positioning sheet 24. The second positioning plate 3 is detachably connected with a second positioning sheet 34, and the second terminal positioning groove 31 is arranged on the second positioning sheet 34. In this way, for different sizes and distances of the terminal 51 on different capacitors 5, different first positioning sheets 24 and second positioning sheets 34 can be replaced to change the first terminal positioning groove 21 on the first positioning plate 2 and the second terminal positioning groove 31 on the second positioning plate 3, facilitating the adaptation to more specifications of capacitors 5.
[0047] In some specific embodiments, the first positioning plate 2 and the second positioning plate 3 are provided with magnetic attraction devices, which can attract each other when they are close.
[0048] When the first positioning plate 2 and the second positioning plate 3 are close to each other, the magnetic attraction device can attract the first positioning plate 2 and the second positioning plate 3 to each other, so as to keep the close state during the welding process, and keep the capacitor 5 and the terminal 51, thereby improving the welding quality; after the welding is completed, the operator can also separate the first positioning plate 2 and the second positioning plate 3 to take out the capacitor module.
[0049] Further, the magnetic attraction device includes a first magnetic attraction member and a second magnetic attraction member 32, the first magnetic attraction member is fixedly connected to the first positioning plate 2, and the second magnetic attraction member 32 is fixedly connected to the second positioning plate 3, the first magnetic attraction member and the second magnetic attraction member 32 are oppositely arranged and can be attracted to each other. The first magnetic attraction member and the second magnetic attraction member 32 can be magnetically attracted to each other, when the first magnetic attraction member is a magnet, the second magnetic attraction member 32 can be a magnet, or a magnetic material such as iron, cobalt, nickel, etc.
[0050] In some embodiments, the first positioning plate 2 is further provided with a first capacitor positioning groove, the first capacitor positioning groove is arranged on the lower side of the first terminal positioning groove 21, the second positioning plate 3 is further provided with a second capacitor positioning groove 33, the second capacitor positioning groove 33 is arranged on the lower side of the second terminal positioning groove 31, the first capacitor positioning groove and the second capacitor positioning groove 33 are oppositely arranged, and the first capacitor positioning groove and the second capacitor positioning groove 33 can accommodate and position the capacitor when they are close to each other.
[0051] When the first positioning plate 2 and the second positioning plate 3 are close to each other and attracted, the first capacitor positioning groove and the second capacitor positioning groove 33 can push and position the capacitor 5, so as to prevent the capacitor 5 from being inclined in the accommodating groove 111, and improve the stability of the terminal 51 during fixing.
[0052] In some embodiments, the capacitor module welding jig further includes a fixing seat 4, the fixing seat 4 is used for being fixed with an external welding device, and the fixing seat 4 is detachably connected with the base.
[0053] The fixing seat 4 is fixed with the welding device, and the base, the first positioning plate 2 and the second positioning plate 3 can be detached from the welding device, the base, the first positioning plate 2 and the second positioning plate 3 can have multiple groups, when a group of the base, the first positioning plate 2 and the second positioning plate 3 are positioned on the capacitor module and connected to the fixing seat 4 for welding, another group of the base, the first positioning plate 2 and the second positioning plate 3 can take out the welded capacitor module and replace a new capacitor module to be welded, and the above operations are alternately performed, so as to improve the welding efficiency.
[0054] Further, the fixing seat 4 is provided with a positioning pin 41, the base is provided with a positioning hole 116, the positioning pin 41 and the positioning hole 116 are matched, and the positioning pin 41 can be inserted into the positioning hole 116. The positioning hole 116 is specifically arranged on the positioning seat 11, and the positioning pin 41 and the positioning hole 116 can facilitate quick disassembly and positioning of the base. Preferably, the base can be fixed with a shaft sleeve or a linear bearing, and the inner hole of the shaft sleeve or the linear bearing serves as the positioning hole 116, so that the number of times of insertion and extraction can be increased.
[0055] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like, which is made under the inventive concept of the present application, and based on the content of the present application and the drawings, is included in the patent protection scope of the present application.
Claims
1. A capacitor module welding jig, characterized by, The capacitor positioning device comprises a base, a first positioning plate (2) and a second positioning plate (3), the base is provided with a containing groove (111) for placing a capacitor (5), the first positioning plate (2) and the second positioning plate (3) are respectively arranged on the front side and the rear side above the containing groove (111), the first positioning plate (2) and the second positioning plate (3) are in sliding connection with the base, the first positioning plate (2) and the second positioning plate (3) can move close to or away from each other in the front-rear direction, the rear side of the first positioning plate (2) is provided with a first terminal positioning groove (21), the front side of the second positioning plate (3) is provided with a second terminal positioning groove (31), the first terminal positioning groove (21) is arranged opposite to the second terminal positioning groove (31), and the first terminal positioning groove (21) and the second terminal positioning groove (31) can accommodate and position the terminals (51) of the capacitor when moving close to each other.
2. The capacitor module welding fixture of claim 1, wherein, The base comprises a positioning seat (11), a left side plate (12) and a right side plate (13), the containing groove (111) is arranged on the positioning seat (11), the left side plate (12) and the right side plate (13) are fixedly connected to the left side and the right side of the positioning seat (11) respectively, and the first positioning plate (2) and the second positioning plate (3) are arranged between the left side plate (12) and the right side plate (13). The left side of the first positioning plate (2) and the left side of the second positioning plate (3) are in sliding connection with the left side plate (12), and the right side of the first positioning plate (2) and the right side of the second positioning plate (3) are in sliding connection with the right side plate (13).
3. The capacitor module welding fixture of claim 2, wherein, The left side plate (12) is fixedly connected with a first guide rail (121), the right side plate (13) is fixedly connected with a second guide rail (131), the first guide rail (121) and the second guide rail (131) extend in the front-rear direction, the left side of the first positioning plate (2) and the left side of the second positioning plate (3) are in sliding connection with the first guide rail (121), and the right side of the first positioning plate (2) and the right side of the second positioning plate (3) are in sliding connection with the second guide rail (131).
4. The capacitor module welding fixture of claim 2, wherein, The left side plate (12) is provided with a first adjusting long hole (122), the right side plate (13) is provided with a second adjusting long hole (132), the first adjusting long hole (122) and the second adjusting long hole (132) extend in the up-down direction, the left side and the right side of the positioning seat (11) are respectively provided with a first screw hole (112) and a second screw hole, the first screw hole (112) is opposite to the first adjusting long hole (122) and is connected by a first screw, and the second screw hole is opposite to the second adjusting long hole (132) and is connected by a second screw.
5. The capacitor module welding fixture of claim 4, wherein, The positioning seat (11) is further provided with a first avoiding hole (114) and a second avoiding hole (115), the first avoiding hole (114) is located directly below the left side plate (12), the second avoiding hole (115) is located directly below the right side plate (13), the first avoiding hole (114) can be inserted into the left side plate (12), and the second avoiding hole (115) can be inserted into the right side plate (13).
6. The capacitor module welding fixture of claim 1, wherein, The first positioning plate (2) and the second positioning plate (3) are provided with magnetic attraction devices, and the magnetic attraction devices can attract each other when the first positioning plate (2) and the second positioning plate (3) are close to each other.
7. The capacitor module welding fixture of claim 6, wherein, The magnetic attraction devices include first magnetic attraction members and second magnetic attraction members (32), the first magnetic attraction members are fixedly connected to the first positioning plate (2), the second magnetic attraction members (32) are fixedly connected to the second positioning plate (3), the first magnetic attraction members and the second magnetic attraction members (32) are oppositely arranged and can attract each other.
8. The capacitor module welding fixture of claim 1, wherein, The first positioning plate (2) is further provided with a first capacitor positioning groove, the first capacitor positioning groove is arranged on the lower side of the first terminal positioning groove (21), the second positioning plate (3) is further provided with a second capacitor positioning groove (33), the second capacitor positioning groove (33) is arranged on the lower side of the second terminal positioning groove (31), the first capacitor positioning groove and the second capacitor positioning groove (33) are oppositely arranged, and the first capacitor positioning groove and the second capacitor positioning groove (33) can accommodate and position capacitors when they are close to each other.
9. The capacitor module welding fixture of claim 1, wherein, The capacitor module welding jig further includes a fixing seat (4), the fixing seat (4) is used for being fixed with an external welding device, and the fixing seat (4) is detachably connected with the base.
10. The capacitor module welding fixture of claim 9, wherein, The fixing seat (4) is provided with a positioning bolt (41), the base is provided with a positioning hole (116), the positioning bolt (41) and the positioning hole (116) are matched, the positioning bolt (41) can be inserted into the positioning hole (116).