Vehicle-mounted controller composite busbar and crimping forming device

Abstract

The invention relates to the technical field of composite busbars, and discloses a vehicle-mounted controller composite busbar and a crimping forming device thereof, the crimping forming device comprises a bottom plate, a cover plate and a positioning assembly arranged on the bottom plate; the positioning assembly comprises a first seat, a second seat and an extrusion seat which are arranged on the bottom plate, the first seat is higher than the second seat, and the first seat and the second seat form a stepped structure for supporting a composite busbar; the extrusion base is connected to the second base, a positioning base is arranged on the side, facing the first base, of the extrusion base in a sliding mode, and the positioning base slides in the direction close to or away from the first base. According to the invention, the step-shaped composite busbar can be subjected to hot pressing better.

Description

Technical Field

[0001] The present application relates to the technical field of composite busbar preparation, and in particular to a composite busbar for a vehicle-mounted controller and a crimping molding device thereof. Background Art

[0002] The vehicle controller composite busbar (also known as laminated busbar or Laminated Busbar) is a multi-layer composite structure connecting bar, which is mainly used to transmit electrical energy from the battery to the motor of the electric vehicle, becoming the core power transmission equipment of the electric vehicle.

[0003] The composite busbar is made of one or more layers of conductive material and insulating material. After these materials are stacked together, they are bonded together by hot pressing to form a multi-layer connection bar. This structure enables the composite busbar to carry large currents and high voltages while maintaining low impedance and inductance.

[0004] In the hot pressing process of the composite busbar, after the adhesive is applied between the conductive material and the insulating layer, the composite busbar is hot pressed using a mold. The composite busbar has a variety of shapes, such as rectangular structures, U-shaped structures, special-shaped structures, etc., to meet the needs of different application scenarios. Figure 1 Some composite busbar structures are stepped. During the hot pressing process, both the vertical and horizontal parts of the stepped structure need to be extruded. Currently, the hot pressing effect of the stepped part is poor, which makes it easy for the bonding stability of this part to fall short of expectations. Summary of the invention

[0005] In a first aspect, the present application provides a crimping molding device.

[0006] This application adopts the following technical solutions: A crimping forming device, applied to a stepped composite busbar, comprises a bottom plate, a cover plate and a positioning assembly arranged on the bottom plate; the positioning assembly comprises a first seat, a second seat and an extrusion seat arranged on the bottom plate, the first seat is higher than the second seat, and the first seat and the second seat form a stepped structure for supporting the composite busbar; the extrusion seat is connected to the second seat, a positioning seat is slidably arranged on one side of the extrusion seat toward the first seat, and the positioning seat slides in a direction close to or away from the first seat; The second seat is provided with connecting plates which are slidably mounted on the upper surfaces of both ends of the second seat, and an elastic member is arranged between the second seat and the lower surface of the connecting plate, and the extrusion seat is installed on the connecting plate; a trigger member is arranged on the upper surface of the extrusion seat, and a support member is arranged on the upper surface of the second seat, and the support member and the positioning seat are linked to each other, and when the cover plate moves downward to drive the extrusion seat to move downward, the elastic member is compressed, and the support member abuts against the lower surface of the connecting plate, at which time the extrusion seat is close to the surface of the second seat, and the cover plate continues to move downward, and the positioning seat is driven by the trigger member to move in the direction of the first seat and abut against the side wall of the composite busbar, and the positioning seat can drive the support member to slide to release the supporting state of the support member on the connecting plate, and the cover plate continues to move downward so that the extrusion seat abuts against the surface of the composite busbar.

[0007] By adopting the above technical solution, the composite busbar is placed on the first seat and the second seat, and the cover plate moves downward to push the extrusion seat to move downward. When the support member restricts the extrusion seat from moving downward, the extrusion seat is close to the horizontal part of the composite busbar step. At this time, the cover plate moves downward to drive the positioning seat to move, so that the positioning seat is pressed against the vertical part of the composite busbar. The positioning seat slides and releases the positioning effect of the support member on the extrusion seat, so that the extrusion seat can continue to move downward, so that the extrusion seat is pressed against the horizontal part of the composite busbar step again. By pressing the stepped vertical part and the horizontal part in steps, the extrusion effect on the stepped part of the composite busbar is improved, and the scratching of the busbar surface is greatly reduced.

[0008] Optionally, a sliding groove is provided on the extrusion seat, and a sliding rod is installed on the positioning seat to slide through the sliding groove. A first reset member is provided between the sliding rod and the inner wall of the sliding groove. The end of the sliding rod away from the positioning seat has a portion that exceeds the surface of the extrusion seat. The end of the sliding rod away from the positioning seat is pressed by the trigger member to slide, and the first reset member is used to provide a force for resetting the positioning seat.

[0009] By adopting the above technical solution, the triggering member is pressed by the movement of the cover plate, that is, it can push the end of the sliding rod to drive the sliding rod to slide, so that the positioning seat presses the vertical part of the composite busbar step against the first seat.

[0010] Optionally, the trigger member includes a trigger plate which is slidably arranged on the upper surface of the extrusion seat, a second reset member is arranged between the trigger plate and the surface of the extrusion seat, and the trigger plate is provided with a trigger strip extending downward. When the trigger plate is pressed by the cover plate and moves downward, the trigger strip moves downward and pushes the sliding rod to slide.

[0011] By adopting the above technical solution, the trigger plate moves downward, so that the trigger bar abuts against the end of the sliding rod and drives the sliding rod to slide.

[0012] Optionally, a positioning column is provided on the lower surface of the trigger plate, a positioning groove for the positioning column to slide is opened on the surface of the extrusion seat, and the second reset member is installed in the positioning groove. When the trigger plate moves downward, the second reset member is compressed.

[0013] Optionally, the support member includes a support plate horizontally slidably arranged on the surface of the second seat, a support column is arranged on the surface of the support plate, a clearance groove is opened on the surface of the connecting plate, and a support rod is arranged on the surface of the support plate which passes through the clearance groove and is slidably inserted into the lower surface of the positioning seat; when the positioning seat moves toward the direction approaching the first seat, the support plate can be driven to slide by the support rod, and the support column can move to the position of the clearance groove.

[0014] By adopting the above technical solution, the support column slides to the position of the clearance groove, so that the connecting plate can continue to move downward.

[0015] Optionally, a connecting groove is provided on the positioning seat, the end of the sliding rod is connected to the connecting groove, and the sliding rod can slide up and down in the connecting groove, and the inner bottom surface of the connecting groove is provided with a third reset member connected to the bottom surface of the sliding rod, when the cover plate drives the extrusion seat to move downward, the sliding rod can move downward in the connecting groove, and the third reset member is compressed.

[0016] By adopting the above technical solution, the sliding rod can continue to move downward with the extrusion seat, while the positioning seat is not easy to move downward, thereby reducing scratches on the stepped vertical part of the composite busbar.

[0017] Optionally, a vertically upward guide column is provided on the surface of the second seat, and the guide column slides through the connecting plate and the extrusion seat.

[0018] By adopting the above technical solution, the extrusion seat can be guided so that the extrusion seat is not easily offset.

[0019] Optionally, a vertical rod is provided on the lower surface of the connecting plate, and a plug-in groove for sliding and plugging the vertical rod is opened on the surface of the second seat, and the elastic member is installed in the plug-in groove.

[0020] By adopting the above technical solution, the stability of the up and down movement of the connecting plate is improved.

[0021] Optionally, limiting blocks are arranged on both sides of the side walls of the sliding rod, and the inner wall of the connecting groove is provided with limiting grooves for allowing the limiting blocks to slide up and down.

[0022] By adopting the above technical solution, the stability of the connection between the sliding rod and the positioning seat is improved.

[0023] In a second aspect, the present application provides a composite busbar for a vehicle-mounted controller.

[0024] A composite busbar of an on-vehicle controller is prepared using the crimping molding device in the above scheme.

[0025] In summary, the present application includes at least one of the following beneficial effects: 1. The stepped vertical and horizontal parts of the composite busbar are extruded step by step through the extrusion seat and the positioning seat to improve the extrusion effect; 2. The extrusion seat is installed on the connecting plate, and the elastic member drives the connecting plate to move upward, which can drive the extrusion seat to reset upward. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the composite busbar; Figure 2 It is a schematic diagram of the structure of an embodiment of the present application; Figure 3 is an exploded schematic diagram of a cover plate in an embodiment of the present application; Figure 4 is an exploded schematic diagram of an extrusion seat in an embodiment of the present application; Figure 5 is an exploded schematic diagram of a connecting plate in an embodiment of the present application; Figure 6 is a schematic diagram of a trigger member in an embodiment of the present application; Figure 7 is a cross-sectional schematic diagram of an extrusion seat in an embodiment of the present application; Figure 8 is a schematic diagram of the support.

[0027] Explanation of the accompanying drawings: 1. composite busbar; 2. bottom plate; 3. cover plate; 4. positioning assembly; 41. first seat; 42. second seat; 43. extrusion seat; 5. positioning seat; 6. connecting plate; 7. elastic member; 8. trigger member; 81. trigger plate; 82. trigger strip; 9. support member; 91. support plate; 92. support column; 10. sliding groove; 11. sliding rod; 12. first reset member; 13. second reset member; 14. positioning column; 15. positioning groove; 16. support rod; 17. slot; 18. give way groove; 19. connecting groove; 20. third reset member; 21. guide column; 22. vertical rod; 23. plug-in groove; 24. limit block; 25. limit groove; 26. accommodating groove. DETAILED DESCRIPTION

[0028] The following is combined with Figure 2-Figure 8 This application is described in further detail. Example

[0029] The present application embodiment discloses a compression molding device. Figure 2 and Figure 3 The compression molding device is mainly used in the hot pressing process of the stepped composite busbar 1, which includes a base plate 2, a cover plate 3 and a positioning assembly 4 installed on the base plate 2. The positioning assembly 4 is symmetrically fixed on the base plate 2 in two groups, so that two composite busbars can be hot pressed at the same time. After the composite busbar 1 is placed on the positioning assembly 4, the compression molding device is placed on the hot press, and the composite busbar 1 is hot pressed by pressing the cover plate 3 downward. A guide sleeve structure is provided between the cover plate 3 and the base plate 2, so that the cover plate 3 is not easily offset during extrusion.

[0030] Reference Figure 3 and Figure 4 The positioning assembly 4 includes a first seat 41, a second seat 42 installed on the bottom plate 2, and an extrusion seat 43 for matching with the first seat 41 and the second seat 42. The first seat 41 and the second seat 42 are both long strip structures. The height of the first seat 41 is higher than that of the second seat 42, and the first seat 41 is located outside the second seat 42. The first seat 41 and the second seat 42 form a stepped structure, and the composite busbar 1 is placed on the first seat 41 and the second seat 42. The horizontal part of the step of the composite busbar 1 abuts against the surface of the second seat 42, and the vertical part abuts against the side wall of the first seat 41. The extrusion seat 43 is installed above the second seat 42, and the extrusion seat 43 is slidably provided with a positioning seat 5 on one side of the first seat 41. The positioning seat 5 can slide in the direction close to the first seat 41 and press the composite busbar 1 against the surface of the first seat 41. The composite busbar 1 has some bent terminal structures, and a space for accommodating terminals is correspondingly opened in the first seat 41, the second seat and other parts.

[0031] Reference Figure 4 and Figure 5 The upper surfaces of both ends of the second seat 42 are slidably mounted with connecting plates 6, and the extrusion seat 43 is mounted on the upper surface of the connecting plate 6. The surface of the second seat 42 is fixed with a guide column 21 extending upward, and the guide column 21 is slidably arranged through the connecting plate 6 and the extrusion seat 43, so that the extrusion seat 43 is not easy to deviate on the connecting plate 6, and the extrusion seat 43 is easy to be removed from the connecting plate 6. Figure 3 An elastic member 7 is provided between the lower surface of the connecting plate 6 and the surface of the second seat 42. When the cover plate 3 moves downward to drive the extrusion seat 43 to move downward, the connecting plate 6 moves downward and the elastic member 7 is compressed. The elastic member 7 provides a force for the connecting plate 6 to reset upward.

[0032] A trigger 8 is installed on the upper surface of the extrusion seat 43, and a support 9 is installed on the upper surface of the second seat 42. The support 9 is located below the connecting plate 6. The positioning seat 5 and the support 9 are linked, and when the positioning seat 5 slides, the support 9 can be driven to slide synchronously. When the cover plate 3 moves downward, it is squeezed on the trigger 8 and synchronously drives the extrusion seat 43 to move downward. After the connecting plate 6 moves downward for a certain distance, the support 9 abuts against the lower surface of the connecting plate 6, so that the connecting plate 6 cannot move downward any more. At this time, the extrusion seat 43 almost abuts against the surface of the horizontal part of the step of the composite busbar 1. If the cover plate 3 continues to move downward, the positioning seat 5 can be driven to slide through the trigger 8, so that the positioning seat 5 moves in the direction of the first seat 41 and abuts against the side wall of the composite busbar 1. In the process of the movement of the positioning seat 5, the support 9 is driven to slide, and the limiting effect of the support 9 on the connecting plate 6 is released. If the cover plate 3 continues to move downward, the extrusion seat 43 can be driven downward to abut against the surface of the composite busbar 1.

[0033] Reference Figure 6 and Figure 7 , a sliding groove 10 is horizontally provided on the extrusion seat 43, a sliding rod 11 is installed on the side wall of the positioning seat 5, the sliding rod 11 slides horizontally through the sliding groove 10, and the end of the sliding rod 11 has a portion that exceeds the surface of the extrusion seat 43. A first reset member 12 is installed between the sliding rod 11 and the sliding groove 10, and the first reset member 12 is a spring, and the spring is sleeved on the side wall of the sliding rod 11. A stepped hole-shaped portion is provided at one end of the sliding groove 10 away from the first seat 41 to provide space for the installation of the spring. In the initial state, the end of the sliding rod 11 exceeds the surface of the extrusion seat 43, and the trigger member 8 squeezes the end of the sliding rod 11 so that the sliding rod 11 slides in the sliding groove 10, and the first reset member 12 is compressed to provide a force for resetting the sliding rod 11.

[0034] Reference Figure 4 and Figure 6 The trigger member 8 includes a trigger plate 81 which is slidably mounted on the surface of the extrusion seat 43, and a second reset member 13 is mounted between the trigger plate 81 and the extrusion seat 43. A trigger bar 82 extending downward is mounted on the trigger plate 81, and the end of the trigger bar 82 has an inclined surface. Figure 7When the trigger plate 81 moves downward, the trigger bar 82 can abut against the end of the sliding rod 11 to push the sliding rod 11. Furthermore, in order to make the trigger plate 81 slide more stably on the extrusion seat 43, a positioning column 14 is fixed to the lower surface of the trigger plate 81, and a positioning groove 15 for the positioning column 14 to slide and plug is provided on the extrusion seat 43. The second reset member 13 is a spring, and the spring is installed in the positioning groove 15. When the trigger plate 81 moves downward, the spring is compressed, providing a force for the trigger plate 81 to move upward and reset. Further preferably, a receiving groove 26 can be provided on the surface of the extrusion seat 43, and the trigger plate 81 can be squeezed into the receiving groove 26, so that the surface of the extrusion seat 43 and the surface of the trigger plate 81 are flush.

[0035] Reference Figure 5 and Figure 8 The support member 9 includes a support plate 91 that slides horizontally on the surface of the second seat 42, and a support column 92 extending upward is fixed on the surface of the support plate 91. A sliding fit such as a slider slot can be provided between the support plate 91 and the surface of the second seat 42, so that the support plate 91 slides more stably. When the connecting plate 6 moves downward, the support column 92 abuts against the lower surface of the connecting plate 6, so that the trigger plate 81 continues to move downward and pushes the movement of the positioning seat 5. The positioning seat 5 and the support plate 91 are linked, that is, the movement of the positioning seat 5 drives the movement of the support plate 91, so that the support column 92 releases the supporting effect on the connecting plate 6.

[0036] Reference Figure 7 and Figure 8 The connecting plate 6 is provided with a clearance groove 18. Figure 8 The state in the figure is that the support column 92 has moved to the clearance groove 18. A support rod 16 is fixed to the surface of the support plate 91, and a slot 17 is provided on the lower surface of the fixing seat. The support rod 16 is slidably inserted into the slot 17. When the positioning seat 5 slides horizontally, the support plate 91 can be driven to move by the support rod 16, and the support column 92 can move to the position of the clearance groove 18, so that the support column 92 no longer supports the connecting plate 6.

[0037] Reference Figure 5 and Figure 8 A vertical rod 22 is fixed on the lower surface of the connecting plate 6, and the vertical rod 22 is preferably fixed at the four corners of the connecting plate 6. A plug-in slot 23 for plugging the vertical rod 22 is provided on the surface of the second seat 42, and the elastic member 7 is a spring and is installed in the plug-in slot 23. The vertical rod 22 and the plug-in slot 23 cooperate to realize the up and down sliding of the connecting plate 6.

[0038] Reference Figure 6 and Figure 7The positioning seat 5 is provided with a connection groove 19, and one end of the sliding rod 11 is installed in the connection groove 19. The two side walls of the end of the sliding rod 11 are fixed with limit blocks 24, and the inner wall of the connection groove 19 is provided with limit grooves 25. The limit blocks 24 slide up and down in the limit grooves 25, so that the sliding rod 11 can move up and down relatively in the connection groove 19. The bottom of the connection groove 19 is also installed with a third reset member 20, which is a spring and is installed on the bottom surface of the connection groove 19.

[0039] When the support member 9 releases the movement of the connecting plate 6, the extrusion seat 43 is squeezed by the cover plate 3 and moves downward a certain distance to press against the composite busbar 1, and the support rod 16 contacts the inner top surface of the slot 17, so that the positioning seat 5 cannot move downward, thereby preventing the positioning seat 5 from scratching the surface of the composite busbar 1 due to the downward movement; the downward movement of the extrusion seat 43 can drive the sliding rod 11 to move relatively downward in the sliding groove 10, and the third reset member 20 is compressed, thereby not affecting the movement of the extrusion seat 43.

[0040] The implementation principle of a crimping forming device in an embodiment of the present application is as follows: the cover plate 3 moves downward, driving the extrusion seat 43 to move downward until the support column 92 abuts against the connecting plate 6. At this time, the extrusion seat 43 and the composite busbar 1 are very close to or abut against each other, but there is no force between the two; the cover plate 3 continues to move downward and squeezes the trigger member 8, so that the positioning seat 5 slides and abuts against the side wall of the composite busbar 1. The sliding process of the positioning seat 5 drives the support column 92 to move. The support column 92 moves to the position of the give way groove 18, so that the support column 92 no longer supports the connecting plate 6. The cover plate 3 can drive the extrusion seat 43 to move downward and abut against the composite busbar 1, and during the downward movement of the extrusion seat 43, the fixed seat will not slide with it, but the sliding rod 11 will slide in the connecting groove 19. Example

[0041] This embodiment discloses a composite busbar for a vehicle-mounted controller, which is prepared using the crimping molding device described in Example 1.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A crimping forming device, applied to a stepped composite busbar (1), characterized in that: The composite busbar (1) comprises a base plate (2), a cover plate (3), and a positioning assembly (4) arranged on the base plate (2); the positioning assembly (4) comprises a first seat (41), a second seat (42), and an extrusion seat (43) arranged on the base plate (2); the first seat (41) is higher than the second seat (42); the first seat (41) and the second seat (42) form a stepped structure for supporting the composite busbar (1); the extrusion seat (43) is connected to the second seat (42); a positioning seat (5) is slidably arranged on one side of the extrusion seat (43) toward the first seat (41); the positioning seat (5) slides in a direction approaching or away from the first seat (41); Connecting plates (6) are slidably mounted on the upper surfaces of both ends of the second seat (42), and an elastic member (7) is arranged between the second seat (42) and the lower surface of the connecting plate (6). The extrusion seat (43) is mounted on the connecting plate (6). A trigger member (8) is arranged on the upper surface of the extrusion seat (43), and a support member (9) is arranged on the upper surface of the second seat (42). The support member (9) and the positioning seat (5) are linked to each other. When the cover plate (3) moves downward to drive the extrusion seat (43) to move downward, the elastic member (7) is compressed, and the support member (9) is pressed against the bottom surface of the second seat (42). The support member (9) abuts against the lower surface of the connecting plate (6), and at this time, the extrusion seat (43) is close to the surface of the second seat (42). The cover plate (3) continues to move downward, and the positioning seat (5) is driven by the trigger member (8) to move in the direction of the first seat (41) and abut against the side wall of the composite busbar (1). The positioning seat (5) can drive the support member (9) to slide to release the support state of the support member (9) on the connecting plate (6). The cover plate (3) continues to move downward so that the extrusion seat (43) abuts against the surface of the composite busbar (1).

2. A crimping molding device according to claim 1, characterized in that: The extrusion seat (43) is provided with a sliding groove (10), the positioning seat (5) is provided with a sliding rod (11) which slides through the sliding groove (10), a first reset member (12) is provided between the sliding rod (11) and the inner wall of the sliding groove (10), the end of the sliding rod (11) away from the positioning seat (5) has a portion extending beyond the surface of the extrusion seat (43), the end of the sliding rod (11) away from the positioning seat (5) is pressed by the trigger member (8) to slide, and the first reset member (12) is used to provide a force for resetting the positioning seat (5).

3. A crimping molding device according to claim 2, characterized in that: The trigger member (8) comprises a trigger plate (81) slidably disposed on the upper surface of the extrusion seat (43) up and down, a second reset member (13) is disposed between the trigger plate (81) and the surface of the extrusion seat (43), and the trigger plate (81) is provided with a trigger strip (82) extending downwardly, and when the trigger plate (81) is pressed by the cover plate (3) to move downwardly, the trigger strip (82) moves downwardly and pushes the sliding rod (11) to slide.

4. A crimping molding device according to claim 3, characterized in that: A positioning column (14) is provided on the lower surface of the trigger plate (81), a positioning groove (15) for the positioning column (14) to slide is provided on the surface of the extrusion seat (43), and the second reset member (13) is installed in the positioning groove (15). When the trigger plate (81) moves downward, the second reset member (13) is compressed.

5. A crimping molding device according to claim 3, characterized in that: The support member (9) comprises a support plate (91) horizontally slidably arranged on the surface of the second seat (42); a support column (92) is arranged on the surface of the support plate (91); a clearance groove (18) is opened on the surface of the connecting plate (6); and a support rod (16) is arranged on the surface of the support plate (91) and passes through the clearance groove (18) and is slidably inserted into the lower surface of the positioning seat (5); when the positioning seat (5) moves in a direction approaching the first seat (41), the support plate (91) can be driven to slide by the support rod (16), and the support column (92) can move to the position of the clearance groove (18).

6. A crimping molding device according to claim 5, characterized in that: The positioning seat (5) is provided with a connecting groove (19), the end of the sliding rod (11) is connected to the connecting groove (19), and the sliding rod (11) can slide up and down in the connecting groove (19), and the inner bottom surface of the connecting groove (19) is provided with a third reset member (20) connected to the bottom surface of the sliding rod (11), and when the cover plate (3) drives the extrusion seat (43) to move downward, the sliding rod (11) can move downward in the connecting groove (19), and the third reset member (20) is compressed.

7. A crimping molding device according to claim 6, characterized in that: A guide column (21) extending vertically upward is provided on the surface of the second seat (42), and the guide column (21) is slidably passed through the connecting plate (6) and the extrusion seat (43).

8. A crimping molding device according to claim 6, characterized in that: The lower surface of the connecting plate (6) is provided with a vertical rod (22), the surface of the second seat (42) is provided with an insertion groove (23) for the vertical rod (22) to be slidably inserted, and the elastic member (7) is installed in the insertion groove (23).

9. A crimping molding device according to claim 6, characterized in that: Limit blocks (24) are arranged on both sides of the side walls of the sliding rod (11), and the inner wall of the connecting groove (19) is provided with a limit groove (25) for allowing the limit block (24) to slide up and down.

10. A composite busbar for a vehicle-mounted controller, characterized in that: It is prepared using the crimping molding device according to any one of claims 1 to 9.

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