A casting mold for lead-acid battery bus

By designing upper and lower cavity sockets and using sealing gaskets in the casting mold of the lead-acid battery busbar, and increasing the space for heating and heat dissipation, the problem of uneven heat dissipation of the mold is solved, rapid cooling and uniform heat dissipation of the mold is achieved, and production efficiency is improved.

CN222710786UActive Publication Date: 2025-04-04ZHEJIANG TIANNENG BATTERY (JIANGSU) CO LTD
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Patent Information

Application Number
CN202420609542.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2025-04-04
Estimated Expiration
2034-03-27

AI Technical Summary

Technical Problem

The casting molds of existing lead-acid battery busbars have uneven heat dissipation problems, resulting in uneven heat dissipation of the mold and affecting production efficiency.

Method used

By designing upper and lower cavity sockets and using sealing gaskets to improve sealing, and increasing the heating and heat dissipation space through mold arrangement, uniform heating is achieved using heating columns and rectangular heating columns to ensure uniform heating of the mold during injection molding.

Benefits of technology

The rapid cooling and uniform heat dissipation of the mold are achieved, the production efficiency is improved, and the sealing properties of the mold are enhanced through sealing gaskets, avoiding mold damage and sealing problems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a casting mold for a lead-acid battery busbar, relates to the technical field of lead-acid battery manufacturing, and comprises a base plate, an injection molding unit, a lower mold, a heating unit and an upper mold unit; the injection molding unit is installed on the upper end of the base plate; the injection molding unit comprises a hydraulic press, a mounting plate, a transverse connecting pipe, an injection molding pipe and an injection molding connecting pipe; the rear side of the upper end of the base plate is fixedly connected with the hydraulic press, the upper end of the hydraulic press is fixedly connected with the mounting plate, the front end of the mounting plate is fixedly connected with the transverse connecting pipe, the lower terminal of the transverse connecting pipe is fixedly connected with six injection molding pipes, the upper end of the transverse connecting pipe is fixedly connected with the lower end of the injection molding connecting pipe, the casting mold for the lead-acid battery busbar can improve the sealing performance through the sleeve connection of the upper and lower cavities and the sealing pad, can increase the space for heating and heat dissipation through the arrangement of the molds so that it can be cooled quickly to ensure uniform heat dissipation of the mold.
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Description

Technical Field

[0001] The utility model relates to the technical field of lead-acid battery manufacturing, in particular to a casting mold for a lead-acid battery busbar. Background Art

[0002] Lead-acid battery (VRLA) is a battery whose electrodes are mainly made of lead and its oxides, and whose electrolyte is sulfuric acid solution. With the development of science and technology and the popularization and use of household electrical appliances, lead-acid batteries are more and more widely used in the market. Commonly used parts include tabs and matching busbars. In the traditional production process of busbars, a lead pot is required. The lead pot is filled with high-temperature lead liquid. The mold for making the busbar is immersed in the lead pot and then taken out. After cooling, casting welding, demoulding and other steps, the busbar is completed;

[0003] Among them, the prior art has a lead-acid battery busbar casting mold proposed in the authorization announcement number CN212285833U, which mainly includes a mold body and a plurality of lead injection grooves provided on the mold body, wherein a connection seat for connecting with a heating device is provided at the bottom of the mold body, and at least two rows of parallel lead injection grooves are provided on the mold body along the length direction, and a hollow groove penetrating the mold body is provided on the mold body between each row of lead injection grooves; the connection seat includes a reinforcing rib and a connecting plate fixedly provided at the bottom of the reinforcing rib, wherein the reinforcing rib is fixedly provided at the bottom of the mold body parallel to the width direction of the mold body, and the connecting plate is fixedly connected to the reinforcing rib parallel to the length direction of the mold body;

[0004] The prior art cannot improve the sealing by sleeve connection of upper and lower cavities and sealing gaskets, and cannot increase the space for heating and heat dissipation by arranging the molds, resulting in uneven heat dissipation of the molds. Therefore, we propose a casting mold for a lead-acid battery bus. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a casting mold for a lead-acid battery bus, which can improve the sealing performance by means of upper and lower cavity sleeves and sealing gaskets, and can increase the space for heating and heat dissipation by arranging the mold so that it can be cooled quickly to ensure uniform heat dissipation of the mold, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a casting mold for a lead-acid battery busbar, comprising a bottom plate, an injection molding unit, a lower mold and a heating unit and an upper mold unit;

[0007] Bottom plate: The injection unit is installed on the upper end;

[0008] Injection molding unit: comprising a hydraulic press, a mounting plate, a transverse connecting pipe, an injection molding pipe and an injection molding connecting pipe, wherein the upper rear side of the bottom plate is fixedly connected with a hydraulic press, the upper end of the hydraulic press is fixedly connected with a mounting plate, the front end of the mounting plate is fixedly connected with a transverse connecting pipe, the lower terminal of the transverse connecting pipe is fixedly connected with six injection molding pipes, the upper end of the transverse connecting pipe is fixedly connected with the lower end of the injection molding connecting pipe, and the rear end of the injection molding connecting pipe is connected with injection molding material;

[0009] Lower mold and heating unit: installed on the bottom plate;

[0010] Upper mold unit: installed on the lower mold and heating unit.

[0011] The connection port of the injection molding is docked by a hydraulic press, and the injection molding tube is fixed by a mounting plate. The injection molding material enters the transverse connection tube through the injection molding connection tube and flows evenly from the injection molding tube into the mold through the transverse connection tube, so as to achieve the purpose of injection molding the mold.

[0012] Furthermore, the lower mold and the heating unit include a heating column fixing frame and a rectangular heating column. The upper end of the bottom plate is fixedly connected to two heating column fixing frames, and three rectangular heating columns are evenly fixedly connected between the two heating column fixing frames. The rectangular heating column is fixed by the heating column fixing frame, and the mold can be heated by the rectangular heating column, so that the mold is heated more evenly, and bubbles are prevented from being generated by uneven heating during mold injection.

[0013] Furthermore, the lower mold and heating unit also include a lower mold fixing plate, a threaded column, a lower mold cavity, a triangular limiting column and a sealing gasket. Six lower mold cavities are evenly fixedly connected in the middle of the upper and lower ends of the lower mold fixing plate. Three triangular limiting columns are fixedly connected in the middle of the upper end of the lower mold fixing plate. A plurality of threaded columns are fixedly connected at the four corners of the upper end of the lower mold fixing plate. The sealing gasket passes through the threaded column and the triangular limiting column and is placed on the lower mold fixing plate. The lower mold cavity is clamped between two rectangular heating columns. The lower mold cavity is arranged and fixed by the lower mold fixing plate, and the upper and lower molds are more accurately connected to each other by limiting the triangular limiting column. The mold is cast through the lower mold cavity, and the upper and lower molds are tightly connected by the threaded column. The sealing gasket ensures the sealing of the mold connection.

[0014] Furthermore, the upper mold unit comprises an upper mold fixing plate and a threaded sleeve, the upper four corners of the upper end of the upper mold fixing plate are rotatably connected with the threaded sleeve, and the inner side of the threaded sleeve is threadedly connected with the outer side of the threaded column. The upper mold cavity is fixed by the upper mold fixing plate, and the upper mold fixing plate is tightly connected with the lower mold fixing plate by the threaded connection of the threaded sleeve and the threaded column, thereby ensuring the sealing of the mold during casting.

[0015] Furthermore, the upper mold unit also includes an upper mold cavity, a triangular limiting hole and a mold injection tube. The inner side of the upper mold fixing plate is fixedly connected with the upper mold cavity, the outer side of the upper mold cavity is slidably connected with the inner side of the lower mold cavity, the upper end of the triangular limiting hole is fixedly connected with the mold injection tube, and three triangular limiting holes are provided in the middle of the upper end of the upper mold fixing plate, and the triangular limiting holes are slidably connected with the triangular limiting columns. The material is injected into the cavities of the upper mold cavity and the lower mold cavity through the mold injection tube, so as to achieve the function of casting the mold, and the triangular limiting holes are correspondingly connected with the triangular limiting columns, so as to ensure the correspondence of the upper and lower mold positions, thereby achieving the function of limiting and ensuring the sealing of the mold during injection molding.

[0016] Furthermore, it also includes an electric telescopic rod and a placement plate, wherein four electric telescopic rods are fixedly connected to the four corners of the upper end of the bottom plate, and the upper end of the electric telescopic rod is fixedly connected to the placement plate. The placement plate is driven up and down by the electric telescopic rod, so that the mold can be easily taken out after heating or cooling during injection molding.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the casting mold of the lead-acid battery busbar has the following advantages:

[0018] 1. The casting mold of the lead-acid battery busbar can improve the sealing performance by sleeve connection of the upper and lower cavities and sealing gaskets, ensure the sealing performance of assembly and fixation by thread connection, and prevent damage to the mold and the sealing performance of the mold by adding sealing gaskets.

[0019] 2. The casting mold of the lead-acid battery busbar can increase the space for heating and heat dissipation by arranging the mold so that it can be cooled quickly to ensure uniform heat dissipation of the mold, which is convenient for heating the device during injection molding and rapid cooling after injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the left side structure of the utility model;

[0022] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0023] In the figure: 1 bottom plate, 2 electric telescopic rod, 3 injection unit, 31 hydraulic press, 32 mounting plate, 33 transverse connecting pipe, 34 injection pipe, 35 injection connecting pipe, 4 lower mold and heating unit, 41 lower mold fixing plate, 42 threaded column, 43 lower mold cavity, 44 triangular limiting column, 45 sealing gasket, 46 heating column fixing frame, 47 rectangular heating column, 5 upper mold unit, 51 upper mold fixing plate, 52 threaded sleeve, 53 upper mold cavity, 54 triangular limiting hole, 55 mold injection pipe, 6 placement plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 , This embodiment provides a technical solution for a casting mold of a lead-acid battery busbar: a casting mold of a lead-acid battery busbar, comprising a base plate 1, an injection unit 3, a lower mold and heating unit 4 and an upper mold unit 5;

[0026] Bottom plate 1: The injection unit 3 is installed on the upper end;

[0027] Injection molding unit 3: comprising a hydraulic press 31, a mounting plate 32, a transverse connecting pipe 33, an injection molding pipe 34 and an injection molding connecting pipe 35, the hydraulic press 31 is fixedly connected to the rear side of the upper end of the bottom plate 1, the upper end of the hydraulic press 31 is fixedly connected to the mounting plate 32, the front end of the mounting plate 32 is fixedly connected to the transverse connecting pipe 33, the lower terminal of the transverse connecting pipe 33 is fixedly connected to six injection molding pipes 34, the upper end of the transverse connecting pipe 33 is fixedly connected to the lower end of the injection molding connecting pipe 35, and the rear end of the injection molding connecting pipe 35 is connected to the injection molding material;

[0028] Lower mold and heating unit 4: installed on the bottom plate 1;

[0029] Upper mold unit 5: installed on the lower mold and heating unit 4.

[0030] The connection port of the injection molding is docked by the hydraulic press 31, and the injection molding pipe is fixed by the mounting plate 32. The injection molding material enters the transverse connection pipe 33 through the injection molding connection pipe 35, and flows into the mold from the injection molding pipe 34 through the transverse connection pipe 33, so as to achieve the purpose of injection molding the mold.

[0031] The lower mold and heating unit 4 includes a heating column fixing frame 46 and a rectangular heating column 47. Two heating column fixing frames 46 are fixedly connected to the upper end of the bottom plate 1, and three rectangular heating columns 47 are evenly fixedly connected between the two heating column fixing frames 46. The rectangular heating columns 47 are fixed by the heating column fixing frame 46, and the mold can be heated by the rectangular heating columns 47, so that the mold is heated more evenly, and bubbles are prevented from being generated by uneven heating during mold injection.

[0032] The lower mold and heating unit 4 also includes a lower mold fixing plate 41, a threaded column 42, a lower mold cavity 43, a triangular limiting column 44 and a sealing gasket 45. Six lower mold cavities 43 are evenly fixedly connected to the middle of the upper and lower ends of the lower mold fixing plate 41, three triangular limiting columns 44 are fixedly connected to the middle of the upper end of the lower mold fixing plate 41, and multiple threaded columns 42 are fixedly connected to the four corners of the upper end of the lower mold fixing plate 41. The sealing gasket 45 passes through the threaded column 42 and the triangular limiting column 44 and is placed on the lower mold fixing plate 41. The lower mold cavity 43 is clamped between two rectangular heating columns 47. The lower mold cavities 43 are arranged and fixed by the lower mold fixing plate 41, and the upper and lower molds are more accurately connected to each other by the limiting of the triangular limiting column 44. The mold is cast through the lower mold cavity 43, and the upper and lower molds are tightly connected by the threaded column 42. The sealing gasket 45 ensures the sealing of the mold connection.

[0033] The upper mold unit 5 includes an upper mold fixing plate 51 and a threaded sleeve 52. The upper four corners of the upper end of the upper mold fixing plate 51 are rotatably connected with the threaded sleeve 52, and the inner side of the threaded sleeve 52 is threadedly connected with the outer side of the threaded column 42. The upper mold cavity is fixed by the upper mold fixing plate 51, and the threaded sleeve 52 is threadedly connected with the threaded column 42 so that the upper mold fixing plate 51 is tightly connected with the lower mold fixing plate 41, thereby ensuring the sealing of the mold during casting.

[0034] The upper mold unit 5 also includes an upper mold cavity 53, a triangular limiting hole 54 and a mold injection tube 55. The inner side of the upper mold fixing plate 51 is fixedly connected with the upper mold cavity 53. The outer side of the upper mold cavity 53 is slidably connected with the inner side of the lower mold cavity 43. The upper end of the triangular limiting hole 54 is fixedly connected with the mold injection tube 55. Three triangular limiting holes 54 are provided in the middle of the upper end of the upper mold fixing plate 51. The triangular limiting holes 54 are slidably connected with the triangular limiting pillars 44. The material is injected into the upper mold cavity 53 and the lower mold cavity 43 through the mold injection tube 55, so as to achieve the function of casting the mold. The triangular limiting holes 54 are correspondingly connected with the triangular limiting pillars 44, so as to ensure the correspondence of the upper and lower mold positions, thereby achieving the function of limiting and ensuring the sealing of the mold during injection molding.

[0035] It also includes an electric telescopic rod 2 and a placement plate 6. Four electric telescopic rods 2 are fixedly connected to the four corners of the upper end of the bottom plate 1, and the upper end of the electric telescopic rod 2 is fixedly connected to the placement plate 6. The placement plate 6 is driven up and down by the electric telescopic rod 2, so that the mold can be easily taken out after injection heating or cooling.

[0036] The working principle of a casting mold for a lead-acid battery bus provided by the utility model is as follows: The connection port of the injection molding is docked by a hydraulic press 31, and the injection molding tube is fixed by a mounting plate 32. The injection molding material enters the transverse connecting tube 33 through the injection molding connecting tube 35, and flows evenly from the injection molding tube 34 into the mold through the transverse connecting tube 33. The purpose of injection molding the mold is achieved. The rectangular heating column 47 is fixed by a heating column fixing frame 46, and the mold can be heated by the rectangular heating column 47, so that the mold is heated more evenly, and bubbles are prevented from being generated by uneven heating during mold injection. The lower mold cavity 43 is arranged and fixed by the lower mold fixing plate 41, and the upper and lower molds are more accurately connected to each other by the limiting of the triangular limiting column 44. The mold is cast through the lower mold cavity 43, and the upper and lower molds are tightly connected by the threaded column 42, and the sealing gasket 45 ensures the sealing of the mold connection. The upper mold cavity is fixed by the upper mold fixing plate 51, and the upper mold fixing plate 51 is tightly connected to the lower mold fixing plate 41 by the threaded connection of the threaded sleeve 52 and the threaded column 42, so as to ensure the sealing of the mold during casting. The material is injected into the upper mold cavity 53 and the lower mold cavity 43 through the mold injection tube 55, so as to achieve the function of casting the mold, and the triangular limiting hole 54 is correspondingly connected with the triangular limiting column 44 to ensure the correspondence of the upper and lower mold positions, so as to achieve the function of limiting and ensure the sealing of the mold during injection molding. The placement plate 6 is driven up and down by the electric telescopic rod 2, so that the mold can be easily taken out after heating or cooling for injection molding.

[0037] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A casting mold for a lead-acid battery busbar, characterized in that: It comprises a base plate (1), an injection unit (3), a lower mold and heating unit (4), and an upper mold unit (5); Bottom plate (1): an injection molding unit (3) is installed on the upper end; The injection molding unit (3) comprises a hydraulic press (31), a mounting plate (32), a transverse connecting pipe (33), an injection molding pipe (34) and an injection molding connecting pipe (35), wherein the hydraulic press (31) is fixedly connected to the rear side of the upper end of the bottom plate (1), the upper end of the hydraulic press (31) is fixedly connected to the mounting plate (32), the front end of the mounting plate (32) is fixedly connected to the transverse connecting pipe (33), the lower end of the transverse connecting pipe (33) is fixedly connected to six injection molding pipes (34), the upper end of the transverse connecting pipe (33) is fixedly connected to the lower end of the injection molding connecting pipe (35), and the rear end of the injection molding connecting pipe (35) is connected to the injection molding material; Lower mold and heating unit (4): mounted on the bottom plate (1); Upper mold unit (5): installed on the lower mold and heating unit (4).

2. The casting mold for a lead-acid battery busbar according to claim 1, characterized in that: The lower mould and heating unit (4) comprises a heating column fixing frame (46) and a rectangular heating column (47); the upper end of the bottom plate (1) is fixedly connected to two heating column fixing frames (46); and three rectangular heating columns (47) are evenly fixedly connected between the two heating column fixing frames (46).

3. The casting mold for a lead-acid battery busbar according to claim 2, characterized in that: The lower mold and heating unit (4) further comprises a lower mold fixing plate (41), a threaded column (42), a lower mold cavity (43), a triangular limiting column (44) and a sealing gasket (45); six lower mold cavities (43) are evenly fixedly connected in the middle of the upper and lower ends of the lower mold fixing plate (41); three triangular limiting columns (44) are fixedly connected in the middle of the upper end of the lower mold fixing plate (41); a plurality of threaded columns (42) are fixedly connected at the four corners of the upper end of the lower mold fixing plate (41); the sealing gasket (45) passes through the threaded column (42) and the triangular limiting column (44) and is placed on the lower mold fixing plate (41); and the lower mold cavity (43) is clamped between two rectangular heating columns (47).

4. The casting mold for a lead-acid battery busbar according to claim 3, characterized in that: The upper mold unit (5) comprises an upper mold fixing plate (51) and a threaded sleeve (52); the upper four corners of the upper mold fixing plate (51) are rotatably connected to the threaded sleeve (52); the inner side of the threaded sleeve (52) is threadedly connected to the outer side of the threaded column (42).

5. The casting mold for a lead-acid battery busbar according to claim 4, characterized in that: The upper mold unit (5) further comprises an upper mold cavity (53), a triangular limiting hole (54) and a mold injection tube (55); the inner side of the upper mold fixing plate (51) is fixedly connected to the upper mold cavity (53); the outer side of the upper mold cavity (53) is slidably connected to the inner side of the lower mold cavity (43); the upper end of the triangular limiting hole (54) is fixedly connected to the mold injection tube (55); three triangular limiting holes (54) are provided in the middle of the upper end of the upper mold fixing plate (51); the triangular limiting holes (54) are slidably connected to the triangular limiting columns (44).

6. The casting mold for a lead-acid battery busbar according to claim 1, characterized in that: It also comprises an electric telescopic rod (2) and a placement plate (6), wherein four electric telescopic rods (2) are fixedly connected at the four corners of the upper end of the base plate (1), and the upper end of the electric telescopic rod (2) is fixedly connected to the placement plate (6).

Citation Information

Patent Citations

  • Casting mold of lead-acid storage battery busbar

    CN212285833U