Honeycomb pole piece pressing die

Abstract

The utility model relates to a honeycomb pole piece pressing die in the technical field of pole piece production equipment, which comprises a base, pressing assemblies are arranged on the base, each pressing assembly comprises an upper die and a lower die which are matched with each other, a supporting plate and a plurality of pressing assemblies are arranged on the base, the supporting plate is fixedly connected with the base through a vertical rod, the lower die is fixed on the base, and the pressing assemblies are fixed on the base. The upper die is located over the lower die and connected with the supporting plate through a first vertical telescopic rod. A material taking gasket is arranged on the pressing face of the lower die and connected with a second vertical telescopic rod, a cavity is formed in the upper portion of the upper die and communicated with an exhaust pipe, and an air guide hole is formed in the upper die and communicated with the cavity through an air guide channel. According to the utility model, a plurality of pole pieces can be simultaneously pressed and formed, and are convenient and quick to take; gas generated in the pressing process uniformly enters the dust collection box, centralized treatment is facilitated, and environmental pollution is reduced; the production efficiency and the quality of the pole piece are improved, and production is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of pole piece production equipment, and particularly relates to a honeycomb pole piece pressing die. Background Art

[0002] As an important component of the battery, the electrode needs to be soaked in electrolyte after the battery is assembled.

[0003] Traditional electrode production processes mostly involve mold pressing, but the contact surface between the pressed electrode and the electrolyte is small, requiring a long period of time for the electrode to be soaked. Patent document CN220497770U discloses a honeycomb electrode pressing mold, comprising: a base, the base being provided with a plurality of partition columns; a sleeve, disposed on the base, the sleeve having an accommodation space, and the plurality of partition columns being located within the accommodation space; a pressing column, disposed on the same side of the base as the sleeve, the pressing column having a plurality of through holes, the plurality of through holes corresponding to and matching the plurality of partition columns. Although the honeycomb electrode pressed in this patent can increase the contact surface between the honeycomb electrode and the electrolyte when in contact with the electrolyte, shortening the waiting time for soaking and improving production efficiency, it can only press one electrode at a time, and it is inconvenient to remove the formed electrode. After removing the electrode, the electrode removal ring needs to be re-sleeved on the bottom of the partition column. The sleeve-sleeving process requires alignment, which affects production efficiency and is not conducive to efficient production. Therefore, a honeycomb pole piece pressing mold is needed to solve the above technical problems. Utility Model Content

[0004] In response to the above-mentioned defects in the prior art, the utility model provides a honeycomb pole piece pressing mold, comprising a base, a pressing assembly is provided on the base, and the pressing assembly includes an upper mold and a lower mold that cooperate with each other, a support plate and a plurality of pressing assemblies are provided on the base, the support plate is fixedly connected to the base through a vertical rod, the lower mold is fixed on the base, the upper mold is located directly above the lower mold and is connected to the support plate through a vertical telescopic rod 1; a material picking gasket is provided on the pressing surface of the lower mold, the material picking gasket is connected to a vertical telescopic rod 2, the fixed end of the vertical telescopic rod 2 is fixedly connected to the lower mold, and the telescopic end of the vertical telescopic rod 2 is fixedly connected to the lower surface of the material picking gasket, a cavity is provided on the upper part of the upper mold, the cavity is connected to an exhaust pipe, and an air guide hole is provided on the upper mold, and the air guide hole is connected to the cavity through an air guide channel.

[0005] Preferably, the first vertical telescopic rod and the second vertical telescopic rod are electric push rods or hydraulic rods.

[0006] Preferably, the lower die includes a circular seat, a cylindrical boss is provided in the middle of the circular seat, a limiting sleeve is provided on the outer cover of the boss, the inner diameter of the limiting sleeve is equal to the diameter of the boss, a plurality of partition columns are fixed on the boss, and the material removal gasket is provided with through holes corresponding to the partition columns one by one, and the partition columns pass through the corresponding through holes;

[0007] The upper mold is a cylindrical pressing block that cooperates with the boss. The lower surface of the pressing block is provided with cylindrical cavities corresponding to each separator column. The air guide holes are located at the top of each cylindrical cavity. The upper and lower molds are arranged to press out honeycomb-shaped pole pieces.

[0008] Preferably, the base is circular, with the bottom of the base rotatably connected to a fixed seat via a bearing. A rack is fixed to the side wall of the base, meshing with a gear, which is connected to a stepper motor. This position drives the base to rotate, and the centrifugal force generated during rotation can make the raw material powder of the electrode to be pressed on the lower die more evenly distributed, thereby improving the pressing effect.

[0009] Preferably, a vibrator is provided on the base, and the vibration of the vibrator makes the powder to be pressed on the lower die more evenly distributed, thereby improving the quality of the pole piece after pressing.

[0010] Preferably, a dust collecting box is further included, and the plurality of exhaust pipes are connected to the dust collecting box through air ducts. Gas generated during the pressing process is uniformly fed into the dust collecting box, which is convenient for centralized treatment and reduces environmental pollution.

[0011] The present invention also includes other components that enable the normal operation of the honeycomb pole piece pressing mold, such as the stepper motor control assembly, the control assembly of the vertical telescopic rods 1 and 2, and the control assembly of the vibrator, all of which are conventional technologies in the art. Furthermore, devices or components not specifically defined in the present invention, such as the electric push rod, hydraulic rod, and vibrator, all utilize conventional technologies and equipment in the art.

[0012] The beneficial effects of the utility model are as follows: multiple pole pieces can be pressed and formed at the same time, and the pole pieces can be taken out conveniently and quickly; the gas generated during the pressing process enters the dust collection box uniformly, which is convenient for centralized treatment and reduces environmental pollution; the production efficiency and the quality of the pole pieces are improved, which is beneficial to production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0014] Figure 1 This is a structural schematic diagram of a honeycomb pole piece pressing mold in Example 1 of the present utility model;

[0015] Figure 2 for Figure 1The view from the AA point in the middle;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the middle pressing component;

[0017] Figure 4 This is a structural schematic diagram of a honeycomb pole piece pressing mold in Example 2.

[0018] In the figure: 1. Fixed seat; 2. Base; 3. Vibrator; 4. Round seat; 5. Limiting sleeve; 6. Pressure block; 7. Exhaust pipe; 8. Vertical telescopic rod 1; 9. Cavity; 10. Air guide channel; 11. Separator column; 12. Material removal gasket; 13. Boss; 14. Vertical telescopic rod 2; 15. Support plate; 16. Rack; 17. Gear; 18. Stepper motor. DETAILED DESCRIPTION

[0019] The present invention is described below in conjunction with the accompanying drawings and specific embodiments of the present invention. The description herein is intended only to explain the present invention and is not intended to limit the present invention. Based on the embodiments of the present invention, any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without creative work to all other embodiments obtained based on the embodiments of the present invention shall be included within the scope of protection of the present invention.

[0020] Example 1

[0021] like Figure 1-3 As shown, the utility model provides a honeycomb pole piece pressing mold, including a base 2, a pressing assembly is provided on the base 2, and the pressing assembly includes an upper mold and a lower mold that cooperate with each other, a support plate 15 and a plurality of pressing assemblies are provided on the base 2, the support plate 15 is fixedly connected to the base 2 through a vertical rod, the lower mold is fixed on the base 2, the upper mold is located directly above the lower mold and is connected to the support plate 15 through a vertical telescopic rod 18; a material picking gasket 12 is provided on the pressing surface of the lower mold, the material picking gasket 12 is connected to a vertical telescopic rod 2 14, the fixed end of the vertical telescopic rod 2 14 is fixedly connected to the lower mold, and the telescopic end of the vertical telescopic rod 2 14 is fixedly connected to the lower surface of the material picking gasket 12, a cavity 9 is provided on the upper part of the upper mold, the cavity 9 is connected to the exhaust pipe 7, and an air guide hole is provided on the upper mold, and the air guide hole is connected to the cavity 9 through an air guide channel 10.

[0022] The vertical telescopic rod 1 8 and the vertical telescopic rod 2 14 are electric push rods or hydraulic rods.

[0023] The lower die includes a circular seat 4, a cylindrical boss 13 is provided in the middle of the circular seat 4, a limiting sleeve 5 is provided on the outer cover of the boss 13, the inner diameter of the limiting sleeve 5 is equal to the diameter of the boss 13, a plurality of partition columns 11 are fixed on the boss 13, and the material removal gasket 12 is provided with through holes corresponding to the partition columns 11 one by one, and the partition columns 11 pass through the corresponding through holes;

[0024] The upper mold is a cylindrical pressing block 6 that cooperates with the boss 13. The lower surface of the pressing block 6 is provided with cylindrical cavities corresponding to the separators 11. The air guide holes are located at the top of each cylindrical cavity. The arrangement of the upper and lower molds can press out a honeycomb-shaped pole piece.

[0025] The base 2 is provided with a vibrator 3. The vibration of the vibrator 3 makes the powder to be pressed on the lower die more evenly distributed, thereby improving the quality of the pole piece after pressing.

[0026] The machine also includes a dust collecting box, and the plurality of exhaust pipes 7 are connected to the dust collecting box through air ducts. The gas generated during the pressing process enters the dust collecting box in a unified manner, which is convenient for centralized treatment and reduces environmental pollution.

[0027] Working Principle: The upper die is moved up and down by the extension and retraction of vertical telescopic rod 1. When the upper die moves down, the lower die enters the limiting sleeve and moves down along the limiting sleeve. In the next process, the partition column enters the cylindrical cavity of the upper die. Air enters the cavity through the air guide channel and then enters the dust collection box through the exhaust pipe, reducing environmental pollution and facilitating centralized processing. The lower pressure surface of the upper die presses the raw material powder on the upper pressure surface of the lower die. The pressing operation can be repeated multiple times to ensure the pressing effect. After the pressing is completed, the upper die moves up, and the vertical telescopic rod 2 moves up, driving the material removal gasket to move up, sending the formed electrode on the material removal gasket out of the limiting sleeve for easy removal and reducing damage to the electrode during the material removal process. After removing the formed electrode, the vertical telescopic rod 2 contracts to reset the material removal gasket, eliminating the need for alignment and improving efficiency. Before pressing, the vibrator vibrates to make the raw material powder on the lower die more evenly distributed, improving the pressing effect.

[0028] Example 2

[0029] like Figure 3-4As shown, the utility model provides a honeycomb pole piece pressing mold, including a base 2, a pressing assembly is provided on the base 2, and the pressing assembly includes an upper mold and a lower mold that cooperate with each other, a support plate 15 and a plurality of pressing assemblies are provided on the base 2, the support plate 15 is fixedly connected to the base 2 through a vertical rod, the lower mold is fixed on the base 2, the upper mold is located directly above the lower mold and is connected to the support plate 15 through a vertical telescopic rod 18; a material picking gasket 12 is provided on the pressing surface of the lower mold, the material picking gasket 12 is connected to a vertical telescopic rod 2 14, the fixed end of the vertical telescopic rod 2 14 is fixedly connected to the lower mold, and the telescopic end of the vertical telescopic rod 2 14 is fixedly connected to the lower surface of the material picking gasket 12, a cavity 9 is provided on the upper part of the upper mold, the cavity 9 is connected to the exhaust pipe 7, and an air guide hole is provided on the upper mold, and the air guide hole is connected to the cavity 9 through an air guide channel 10.

[0030] The vertical telescopic rod 1 8 and the vertical telescopic rod 2 14 are electric push rods or hydraulic rods.

[0031] The lower die includes a circular seat 4, a cylindrical boss 13 is provided in the middle of the circular seat 4, a limiting sleeve 5 is provided on the outer cover of the boss 13, the inner diameter of the limiting sleeve 5 is equal to the diameter of the boss 13, a plurality of partition columns 11 are fixed on the boss 13, and the material removal gasket 12 is provided with through holes corresponding to the partition columns 11 one by one, and the partition columns 11 pass through the corresponding through holes;

[0032] The upper mold is a cylindrical pressing block 6 that cooperates with the boss 13. The lower surface of the pressing block 6 is provided with cylindrical cavities corresponding to the separators 11. The air guide holes are located at the top of each cylindrical cavity. The arrangement of the upper and lower molds can press out a honeycomb-shaped pole piece.

[0033] The base 2 is circular, and the bottom of the base 2 is rotatably connected to the fixed base 1 via a bearing. A circle of racks 16 are fixed to the side walls of the base 2. The racks 16 are engaged with gears 17, and the gears 17 are connected to a stepper motor 18. This part is provided to drive the base 2 to rotate. The centrifugal force generated during the rotation can make the raw material powder of the electrode to be pressed on the lower die more evenly distributed, thereby improving the pressing effect.

[0034] The base 2 is provided with a vibrator 3. The vibration of the vibrator 3 makes the powder to be pressed on the lower die more evenly distributed, thereby improving the quality of the pole piece after pressing.

[0035] The machine also includes a dust collecting box, and the plurality of exhaust pipes 7 are connected to the dust collecting box through air ducts. The gas generated during the pressing process enters the dust collecting box in a unified manner, which is convenient for centralized treatment and reduces environmental pollution.

[0036] Working Principle: The upper die moves up and down through the extension and retraction of vertical telescopic rod 1. As the upper die moves downward, the lower die enters the limiting sleeve and moves downward along it. During the next process, a separator column enters the cylindrical cavity of the upper die. Air enters the cavity through the air guide channel and then enters the dust collection box through the exhaust pipe, reducing environmental pollution and facilitating centralized processing. The lower pressure surface of the upper die presses the raw material powder on the upper pressure surface of the lower die. This pressing operation can be repeated multiple times to ensure the pressing effect. After the pressing is completed, the upper die moves upward, and vertical telescopic rod 2 moves upward, driving the material removal gasket upward, sending the formed electrode on the material removal gasket out of the limiting sleeve for easy removal and reducing damage to the electrode during the material removal process. After the formed electrode is removed, vertical telescopic rod 2 retracts to reset the material removal gasket, eliminating the need for alignment and improving efficiency. Before pressing, the vibrator vibrates, and the stepper motor drives the base to rotate, which can make the raw material powder on the lower die more evenly distributed, improving the pressing effect.

[0037] While the embodiments of the present invention have been described above, the foregoing description is intended to be illustrative, non-exhaustive, and not limited to the disclosed embodiments. Numerous modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of protection of the present invention.

Claims

1. A honeycomb pole piece pressing die, comprising a base, a pressing assembly provided on the base, the pressing assembly comprising an upper die and a lower die that cooperate with each other, characterized in that: The base is provided with a support plate and multiple pressing components, the support plate is fixedly connected to the base through a vertical rod, the lower mold is fixed on the base, the upper mold is located directly above the lower mold and is connected to the support plate through a vertical telescopic rod 1; a material picking gasket is provided on the pressing surface of the lower mold, the material picking gasket is connected to a vertical telescopic rod 2, the fixed end of the vertical telescopic rod 2 is fixedly connected to the lower mold, the telescopic end of the vertical telescopic rod 2 is fixedly connected to the lower surface of the material picking gasket, a cavity is provided on the upper part of the upper mold, the cavity is connected to an exhaust pipe, and an air guide hole is provided on the upper mold, and the air guide hole is connected to the cavity through an air guide channel.

2. The honeycomb pole piece pressing die according to claim 1, characterized in that: The first vertical telescopic rod and the second vertical telescopic rod are electric push rods or hydraulic rods.

3. The honeycomb pole piece pressing die according to claim 1, characterized in that: The lower die includes a circular seat, a cylindrical boss is provided in the middle of the circular seat, a limiting sleeve is provided on the outer cover of the boss, the inner diameter of the limiting sleeve is equal to the diameter of the boss, a plurality of partition columns are fixed on the boss, and the material removal gasket is provided with through holes corresponding to the partition columns one by one, and the partition columns pass through the corresponding through holes; The upper mold is a cylindrical pressing block that cooperates with the boss. The lower surface of the pressing block is provided with cylindrical cavities corresponding to each partition column one by one, and the air guide holes are located at the top of each cylindrical cavity.

4. The honeycomb pole piece pressing die according to claim 1, characterized in that: The base is circular, and the bottom of the base is rotatably connected to a fixed seat through a bearing. A circle of racks is fixed on the side wall of the base, and the racks are engaged with gears, and the gears are connected to a stepping motor.

5. The honeycomb pole piece pressing die according to claim 1, characterized in that: A vibrator is provided on the base.

6. The honeycomb pole piece pressing die according to claim 1, characterized in that: It also includes a dust collection box, and the multiple exhaust pipes are connected to the dust collection box through air guide pipes.

Images