Die for upper cover of obliquely-spliced square shell of battery pack

By using a movable collar and a vertical guide rod for lifting and lowering, and an electromagnet for fixation, the problem of insufficient mold closing stability and accuracy of the battery cover mold is solved, and high-precision molding of the battery cover is achieved.

CN223456387UActive Publication Date: 2025-10-21ZHEJIANG SENDONG TECH CO LTD
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Patent Information

Application Number
CN202422102466.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2025-10-21
Estimated Expiration
2034-08-29

AI Technical Summary

Technical Problem

The existing battery cover mold has poor stability and accuracy during the mold closing process, which affects the molding precision of the battery cover.

Method used

The upper mold base is raised and lowered by a movable collar and a vertical guide rod, which are combined with an electromagnet for fixation to ensure precise alignment and mold closing of the upper and lower mold bases, thereby improving stability and accuracy.

Benefits of technology

High-precision molding of the battery cover was achieved. The movable collar and vertical guide rod were connected by a sliding joint to ensure precise alignment and mold closing of the upper and lower mold bases. The electromagnet was used for adsorption and fixation, which improved the molding stability and accuracy of the battery cover.

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Abstract

The utility model discloses an upper cover mould of a battery pack oblique splicing square shell, which relates to the technical field of upper cover moulds of battery packs, and comprises a lower mould base, an upper mould base is arranged at the upper end of the lower mould base, a vertical guide rod is arranged on one side of the upper mould base and one side of the lower mould base, and a connecting base plate is integrally formed at the lower end of the vertical guide rod; the inserting end blocks are arranged at the two ends of the lower portion of the upper die base, assembling connecting grooves are formed in the connecting positions of the inserting end blocks and the lower die base, and the two assembling connecting grooves and the lower die base are of an integrated structure; and the embedded groove is formed in one assembling connection groove, an electromagnet is arranged in the embedded groove in an embedded mode, and the electromagnet is fixedly connected with the inserting connection end block in an adsorption mode, so that the problems that according to an existing battery cover mold, battery covers of different shapes can be conveniently machined through an arranged adjustable mechanism, and the machining efficiency is high are solved. However, the upper mold and the lower mold are poor in mold closing stability and precision in the using process, and the forming precision of the battery cover is affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack upper cover mould technical field, concretely is a kind of battery pack oblique spliced square shell upper cover mould. BACKGROUND

[0002] Battery pack refers to the battery pack, battery management system and other necessary electrical components are packaged in a protective container in an integral whole, battery pack oblique spliced square shell upper cover needs to be assisted forming by die in the process of processing.

[0003] For example, the announcement number is: CN 214773665 U (named a battery cover mould with deformation structure), including the lower mould for shaping and the upper mould for sealing the lower mould, the lower mould is slidably connected with the material containing plate, the material containing plate is fixedly connected with the isolation plate for preventing injection molding raw materials from flowing into the gap between the lower mould and the material containing plate, the isolation plate is detachably connected with multiple different shapes of shaping, the battery cover mould with deformation structure, by the material containing plate slidably connected in the lower mould, the user is convenient to control the material containing plate to slide upward and discharge when using, by the isolation plate, the injection molding raw materials are not easy to leak into the gap between the material containing plate and the lower mould, so that the normal sliding of the material containing plate is not hindered, by the multiple different shapes of shaping pieces detachably connected on the isolation plate, the user can install different shapes of shaping pieces according to the needs to obtain different shapes of battery cover.

[0004] The above-mentioned battery cover mould is convenient for processing battery cover of different shapes by the adjustable mechanism, but the stability and accuracy of the upper die and the lower die in the process of use are poor, which affects the forming precision of the battery cover, therefore, we provide a battery pack oblique spliced square shell upper cover mould. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a battery pack oblique spliced square shell upper cover mould to solve the problem that the existing battery cover mould is convenient for processing battery cover of different shapes by the adjustable mechanism, but the stability and accuracy of the upper die and the lower die in the process of use are poor, which affects the forming precision of the battery cover.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a battery pack oblique spliced square shell upper cover mould, including lower die seat, the upper end of lower die seat is provided with upper die seat, and the side of upper die seat and lower die seat is provided with vertical guide rod, and the lower end of vertical guide rod is integrally formed with connecting base plate;

[0007] Further comprising:

[0008] The plug-in end block is arranged at the lower end position of the upper die seat, and assembly grooves are arranged at the connecting positions of the plug-in end block and the lower die seat, and the two assembly grooves are integrated with the lower die seat;

[0009] The embedded slot is arranged in one of the assembly grooves, and an electromagnet is embedded in the embedded slot, and the electromagnet is fixedly connected with the plug-in end block through adsorption;

[0010] The positioning sleeve ring and the movable sleeve ring are sleeved and arranged at the outer position of the vertical guide rod, the positioning sleeve ring is integrated with the vertical guide rod, and the first connecting rod and the second connecting rod are welded on the outer wall of the positioning sleeve ring and the movable sleeve ring;

[0011] The assembly disc is welded at one end of the first connecting rod and the second connecting rod, and connecting circular grooves are arranged at the connecting positions of the assembly disc and the outer walls of the upper die seat and the lower die seat, and the two connecting circular grooves are integrated with the upper die seat and the lower die seat.

[0012] Preferably, the inner wall of the movable sleeve ring is provided with two inner grooves, and stainless steel balls are movably arranged in the two inner grooves through a rotating shaft and a bearing, and the rolling connecting positions of the stainless steel balls and the vertical guide rod are provided with guide arc grooves, and the two guide arc grooves are integrated with the vertical guide rod.

[0013] Preferably, the movable sleeve ring is provided with a support disc below, the support disc is integrated with the vertical guide rod, and the size of the support disc is greater than that of the movable sleeve ring.

[0014] Preferably, the top of the vertical guide rod is provided with a limiting top disc, the limiting top disc is integrated with the vertical guide rod, and the size of the limiting top disc is greater than that of the movable sleeve ring.

[0015] Preferably, the outer portion of one of the assembly grooves is provided with an electric plug, and the output end of the electric plug is electrically connected with the input end of the electromagnet.

[0016] Preferably, the inner portion of the connecting circular groove is provided with four mounting screw holes, one end of the first connecting rod and the second connecting rod is welded with an assembly disc, and the caliber of the connecting circular groove is equal to the size of the assembly disc.

[0017] Preferably, the inner portion of the mounting screw hole is provided with a fixing screw, and the assembly disc is fixedly connected with the connecting circular groove through the fixing screw.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model discloses a battery pack inclined square shell upper cover is formed between lower mould base and upper mould base through clamping, and in the process of clamping, through the sleeve lifting movable connection of movable collar and vertical guide rod, the upper mould base is driven to lift, and the lower mould base keeps unmoved, and movable collar passes through the limit guiding movement of stainless steel ball and guiding arc groove, so that the upper mould base can be accurately aligned with the lower mould base and clamped, the adjustable mechanism of setting of the existing battery cover mould is convenient for processing the battery cover of different shapes, but the stability and accuracy of clamping of upper mould and lower mould are poor in the process of using, lead to the problem of influencing the forming precision of battery cover.

[0020] 2. After clamping, connect the electric plug to the socket, so that the electromagnet generates magnetic force after being electrified, and adsorbs the plug-in end block inserted into the assembly slot, so as to be adsorbed and fixed after the lower mould base and the upper mould base are clamped, thereby improving the stability of the battery pack inclined square shell upper cover clamped between the lower mould base and the upper mould base. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure schematic diagram of the cold bending machine with automatic clamping function of the utility model;

[0022] Figure 2 It is the lower mould base structure schematic diagram of the utility model;

[0023] Figure 3 It is the upper mould base structure schematic diagram of the utility model;

[0024] Figure 4 It is the movable collar and vertical guide rod connection structure schematic diagram of the utility model;

[0025] In the drawing: 1, lower mould base; 2, upper mould base; 3, assembly slot; 4, plug-in end block; 5, electric plug; 6, vertical guide rod; 7, connecting bottom disc; 8, limit top disc; 9, positioning collar; 10, support disc; 11, movable collar; 12, first connecting rod; 13, second connecting rod; 14, assembly disc; 15, fixed screw; 16, connecting circular groove; 17, mounting screw hole; 18, embedded groove; 19, electromagnet; 20, inner recess; 21, stainless steel ball; 22, guiding arc groove. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0027] Please refer to Figures 1-4The utility model provides an embodiment: a battery pack inclined square shell upper cover mould, including lower mould seat 1, the upper end of lower mould seat 1 is provided with upper mould seat 2, the one side of upper mould seat 2 and lower mould seat 1 is provided with vertical guide rod 6, the lower end of vertical guide rod 6 is integrally formed with the setting of connecting base plate 7,

[0028] Also includes:

[0029] Plug end block 4 is set in the lower two end positions of upper mould seat 2, and the connecting position of plug end block 4 and lower mould seat 1 is provided with assembly slot 3, and two assembly slots 3 are integral structure with lower mould seat 1;

[0030] The embedded groove 18 is provided in one assembly slot 3, and the embedded groove 18 is embedded with electromagnet 19, and the electromagnet 19 is fixedly connected with the plug end block 4;

[0031] Positioning sleeve ring 9 and movable sleeve ring 11 are sleeved and arranged on the outer position of vertical guide rod 6, and the positioning sleeve ring 9 is integral structure with the vertical guide rod 6, and the outer wall of the positioning sleeve ring 9 and the movable sleeve ring 11 is welded with the first connecting rod 12 and the second connecting rod 13;

[0032] Assembly disc 14 is welded on one end position of first connecting rod 12 and second connecting rod 13, and the connecting position of assembly disc 14 and the outer wall of upper mould seat 2 and lower mould seat 1 is provided with connecting circular groove 16, and two connecting circular grooves 16 are integral structure with upper mould seat 2 and lower mould seat 1.

[0033] When using, the battery pack inclined square shell upper cover is molded between the lower mould seat and the upper mould seat, in the process of molding, the movable sleeve ring is connected with the vertical guide rod through the sleeving lifting activity, drives the upper mould seat to lift, the lower mould seat remains unmoved, the movable sleeve ring is limited and guided by the stainless steel ball and the guide arc groove, so that the upper mould seat can be accurately aligned with the lower mould seat.

[0034] Please refer to Figure 4 The inner wall of movable sleeve ring 11 is provided with two inner grooves 20, the inner part of two inner grooves 20 is movably provided with stainless steel ball 21 through rotating shaft and bearing, the rolling connection position of stainless steel ball 21 and vertical guide rod 6 is provided with guide arc groove 22, two guide arc grooves 22 are integral structure with vertical guide rod 6, and the two inner grooves 20 provided on the inner wall of movable sleeve ring 11 play the role of bearing stainless steel ball 21.

[0035] Please refer to Figure 1 The lower part of movable sleeve ring 11 is provided with support disc 10, the support disc 10 is integral structure with vertical guide rod 6, the size of support disc 10 is greater than the size of movable sleeve ring 11, and the support disc 10 provided under movable sleeve ring 11 plays the role of supporting and limiting movable sleeve ring 11.

[0036] See also Figure 1 A limiting top plate 8 is set at the top of the vertical guide rod 6. The limiting top plate 8 and the vertical guide rod 6 are an integrated structure. The size of the limiting top plate 8 is larger than the size of the movable ring 11. The limiting top plate 8 set at the top of the vertical guide rod 6 plays a role in limiting and preventing slipping.

[0037] See also Figure 2 An electrical plug 5 is provided on the outside of an assembly connection slot 3, and the output end of the electrical plug 5 is electrically connected to the input end of the electromagnet 19. The electrical plug 5 provided on the outside of an assembly connection slot 3 plays the role of an external power supply.

[0038] See also Figure 1 、 Figure 2 and Figure 3 Four mounting screw holes 17 are provided inside the connecting circular groove 16, and one end of the first connecting rod 12 and the second connecting rod 13 are welded with an assembly plate 14. The diameter of the connecting circular groove 16 is equal to the size of the assembly plate 14, and the four mounting screw holes 17 provided inside the connecting circular groove 16 serve to facilitate the installation of fasteners.

[0039] See also Figure 1 、 Figure 2 and Figure 3 A fixing screw 15 is installed inside the mounting screw hole 17, and the assembly plate 14 is fixedly connected to the connecting circular groove 16 through the fixing screw 15. The fixing screw 15 installed inside the mounting screw hole 17 plays a role in auxiliary fixed connection.

[0040] Working principle: When in use, the battery pack oblique square shell cover is molded between the lower mold base 1 and the upper mold base 2. During the mold closing process, the upper mold base 2 is driven to move up and down through the movable ring 11 and the vertical guide rod 6. The lower mold base 1 remains stationary, and the movable ring 11 is limited and guided by the stainless steel ball 21 and the guide arc groove 22, so that the upper mold base 2 can be accurately aligned with the lower mold base 1 for mold closing. After the mold closing is completed, the power plug 5 is connected to the socket so that the electromagnet 19 generates magnetic force after being energized, and absorbs the plug-in terminal block 4 inserted into the assembly groove 3, so that the lower mold base 1 and the upper mold base 2 are adsorbed and fixed after the mold closing, which improves the stability of the battery pack oblique square shell cover in the mold closing between the lower mold base 1 and the upper mold base 2, improves the precision of the molding of the battery pack oblique square shell cover, and completes the use of the battery pack oblique square shell cover mold.

[0041] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A battery pack oblique square shell cover mold, comprising a lower mold base (1), an upper mold base (2) is provided at the upper end of the lower mold base (1), a vertical guide rod (6) is provided on one side of the upper mold base (2) and the lower mold base (1), and a connecting chassis (7) is integrally formed at the lower end of the vertical guide rod (6); characterized in that Also includes: Plug-in end blocks (4) are arranged at both ends below the upper die base (2), and assembly connection grooves (3) are provided at the connection position between the plug-in end blocks (4) and the lower die base (1), and both assembly connection grooves (3) are integrally formed with the lower die base (1); An embedded groove (18) is provided inside one of the assembly connection grooves (3), and an electromagnet (19) is embedded inside the embedded groove (18), and the electromagnet (19) is fixedly connected to the plug-in terminal block (4) by adsorption; A positioning collar (9) and a movable collar (11) are sleeved and arranged at an outer position of the vertical guide rod (6), and the positioning collar (9) and the vertical guide rod (6) are an integral structure, and a first connecting rod (12) and a second connecting rod (13) are welded on the outer walls of the positioning collar (9) and the movable collar (11); An assembly connecting plate (14) is welded to one end of the first connecting rod (12) and the second connecting rod (13), and a connecting circular groove (16) is provided at the connection position between the assembly connecting plate (14) and the outer wall of the upper die base (2) and the lower die base (1), and the two connecting circular grooves (16) are respectively integrated with the upper die base (2) and the lower die base (1).

2. The battery pack upper cover mold of claim 1, wherein: Two inner grooves (20) are provided on the inner wall of the movable sleeve (11), stainless steel balls (21) are movably provided inside the two inner grooves (20) through a rotating shaft and a bearing, and a guide arc groove (22) is provided at the rolling connection position between the stainless steel balls (21) and the vertical guide rod (6), and the two guide arc grooves (22) are both an integral structure with the vertical guide rod (6).

3. The battery pack upper cover mold of claim 1, wherein: A support plate (10) is provided below the movable collar (11). The support plate (10) and the vertical guide rod (6) are an integrated structure. The size of the support plate (10) is larger than that of the movable collar (11).

4. The battery pack upper cover mold of claim 1, wherein: A limiting top plate (8) is provided on the top of the vertical guide rod (6). The limiting top plate (8) and the vertical guide rod (6) are an integrated structure. The size of the limiting top plate (8) is larger than the size of the movable collar (11).

5. The battery pack diagonal square shell upper cover mold of claim 1, wherein: An electrical connection plug (5) is provided outside one of the assembly slots (3), and an output end of the electrical connection plug (5) is electrically connected to an input end of the electromagnet (19).

6. The battery pack diagonal square shell upper cover mold of claim 1, wherein: Four mounting screw holes (17) are provided inside the connecting circular groove (16), and one end of the first connecting rod (12) and the second connecting rod (13) are welded with an assembly plate (14), and the diameter of the connecting circular groove (16) is equal to the size of the assembly plate (14).

7. The battery pack diagonal square shell upper cover mold of claim 6, wherein: A fixing screw (15) is installed inside the mounting screw hole (17), and the assembly receiving plate (14) is fixedly connected to the connecting circular groove (16) through the fixing screw (15).

Citation Information

Patent Citations

  • Battery cover mold with deformation structure

    CN214773665U