Lithium battery anode production device

Abstract

The invention relates to a lithium battery anode production device which comprises a material box with the top open, a plurality of rows of round holes are formed in the bottom wall of the material box side by side, a bottom plate for sealing the round holes is arranged at the top in the material box, the bottom plate is driven by an electric push rod I to move horizontally, and through holes communicated with the corresponding round holes are formed in the bottom plate. A mounting plate driven by an electric push rod II to move up and down is arranged at the bottom of the material box, a material pipe with the top end penetrating through the corresponding round hole and extending into the through hole is arranged on the mounting plate, a baffle ring is arranged on the inner bottom wall of an opening of the material pipe, and a sealing block is arranged in the material pipe above the baffle ring; ejector rods which can penetrate through the opening of the baffle ring, extend into the material pipe and abut against the sealing block are further arranged below the material pipe, and the multiple sets of ejector rods are fixed to the base; and a pressing plate which is driven by a hydraulic rod to move up and down is arranged at the top in the material box. The compaction degree of extruded materials can be effectively improved, and the problem that the materials are too loose when being extruded is solved.

Description

Technical Field

[0001] The invention relates to the field of lithium battery production, and in particular to a lithium battery anode production device. Background Art

[0002] Lithium batteries are batteries that use lithium metal or lithium alloy as the negative electrode material and use non-aqueous electrolyte solutions, so this type of battery is also called a lithium metal battery. Unlike other batteries, lithium batteries have the characteristics of high charging density, long life and high unit cost. Depending on the structural design and electrode materials, lithium batteries can generate voltages from 1.5V to 3.7V.

[0003] However, when producing lithium batteries, traditional production equipment uses direct stamping to extrude materials. During use, the materials are relatively loose at the beginning. Therefore, the materials just extruded are loose in texture and low in density, which affects the use effect of the lithium battery in the later stage. Therefore, there is a lithium battery anode production equipment with patent number CN113675377B to solve the above problems. However, the device has the following defects when in use, such as: the material in the material box is compacted by the pressure plate and then squeezed out from the circular hole to form a product with multiple columnar structures. Since the pressure of the pressure plate is smaller due to the large force area of ​​the pressure plate, it is not easy to extrude the material through multiple groups of circular holes. Similarly, it is not easy to compact the material to prevent it from being in a loose state. Moreover, when the material is not compacted and not completely shaped, it is squeezed out of the circular hole and suspended in the air, which causes the columnar material at this time to bend or break due to external factors. Summary of the invention

[0004] The purpose of the present invention is to provide a lithium battery anode production device.

[0005] The technical problem of the present invention is mainly solved by the following technical solutions:

[0006] A lithium battery anode production device, comprising a material box with an open top:

[0007] The bottom wall of the material box is provided with multiple rows of circular holes in parallel, wherein a bottom plate for sealing the circular holes is provided at the top of the material box, and the bottom plate is driven by an electric push rod I to move horizontally, and a through hole connected to the corresponding circular hole is provided on the bottom plate, and a mounting plate driven by an electric push rod II to move up and down is provided at the bottom of the material box, wherein a material tube with a top end passing through the corresponding circular hole and extending into the through hole is provided on the mounting plate, and a retaining ring is provided on the bottom wall of the material tube opening, and a sealing block is provided in the material tube above the retaining ring, wherein a push rod which can pass through the retaining ring opening and extend into the material tube to abut against the sealing block is also provided below the material tube, and multiple groups of push rods are fixed on the base;

[0008] A pressure plate driven by a hydraulic rod to move up and down is arranged on the top of the material box, wherein the pressure plate is connected to the output shaft of the hydraulic rod through a vertical rod, and a fixed plate is arranged on the vertical rod, an electric push rod III is arranged on the fixed plate, wherein a mounting frame is arranged on the output shaft of the electric push rod III, a tamping rod corresponding to the material pipe is arranged on the mounting frame, and a mounting hole for accommodating the bottom end of the tamping rod is arranged on the pressure plate.

[0009] Preferably, a sleeve is disposed on the material pipe above the mounting plate, and the inner diameter of the sleeve is larger than the diameter of the material pipe, wherein any two adjacent groups of sleeves are connected by a connecting rod, and a sliding rod is provided on the outermost connecting rod, which passes through the mounting plate and is located on the outside of the base, and a protrusion is provided at the bottom end of the sliding rod, wherein a spring is disposed on the sliding rod above the mounting plate.

[0010] Preferably, the width of the bottom plate is equal to the width of the bottom of the material box, wherein the length of the bottom plate is smaller than the length of the bottom of the material box, and the end of the bottom plate connected to the output shaft of the electric push rod I is set against the inner wall corresponding to the material box.

[0011] Preferably, the diameter of the sealing block is adapted to the inner diameter of the material tube, wherein a magnetic connection layer magnetically connected to the sealing block is provided on the top surface of the retaining ring.

[0012] Preferably, the diameter of the tamping rod is matched to the inner diameter of the material tube, wherein the corner edges at the bottom of the tamping rod and the corner edges at the top of the material tube opening are both provided with rounded corners.

[0013] The beneficial effect of the present invention is as follows: when the present invention is used, the material to be processed is placed inside the material box, and at this time, the pressure plate is driven by the hydraulic rod to move down into the material box to squeeze the material to compact it, and at the same time, the electric push rod II drives the mounting plate to drive the material pipe to slowly slide into the material box through the circular hole and the through hole, so that the material pipe is inserted into the compacted material in the material box through the material pipe, so that the material in the material box can be loaded and taken into it during the process of slowly moving upward, and at the same time, the electric push rod III drives the mounting frame to drive the tamping rod to move down in the mounting hole, so that the tamping rod drives the material to be squeezed into the material pipe, and at the same time, the tamping rod is inserted into the material pipe to extrude the material inside it, so that the material in the material pipe is prevented from being in a loose state after multiple extrusions and tamping, and the extruded material can also be shaped through the material pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 is a cross-sectional view of the present invention;

[0016] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0017] In the figure: 1, material box, 2, round hole, 3, bottom plate, 4, electric push rod I, 5, through hole, 6, mounting plate, 7, electric push rod II, 8, material tube, 9, retaining ring, 10, sealing block, 11, push rod, 12, base, 13, pressure plate, 14, hydraulic rod, 15, vertical rod, 16, fixing plate, 17, electric push rod III, 18, mounting frame, 19, tamping rod, 20, sleeve, 21, connecting rod, 22, sliding rod, 23, bump, 24, spring. DETAILED DESCRIPTION

[0018] The following are examples and the attached Figure 1-3 , the technical solution of the present invention is further specifically described.

[0019] A lithium battery anode production device includes a material box 1 with an open top:

[0020] The bottom wall of the material box 1 is provided with multiple rows of circular holes 2 in parallel, wherein a bottom plate 3 for sealing the circular holes 2 is provided at the top of the material box 1, and the bottom plate 3 is driven by an electric push rod I4 to move horizontally, and a through hole 5 communicating with the corresponding circular hole 2 is provided on the bottom of the material box 1, and a mounting plate 6 driven by an electric push rod II7 to move up and down is provided at the bottom of the material box 1, wherein a material tube 8 is provided on the mounting plate 6, the top of which passes through the corresponding circular hole 2 and extends into the through hole 5, and a retaining ring 9 is provided on the bottom wall of the opening of the material tube 8, and a sealing block 10 is provided in the material tube above the retaining ring 9, wherein a push rod 11 which can pass through the opening of the retaining ring 9 and extend into the material tube 8 and abut against the sealing block 10 is also provided below the material tube 8, and multiple groups of push rods 11 are fixed on the base 12;

[0021] A pressing plate 13 is arranged at the top of the material box 1 and is driven by a hydraulic rod 14 to move up and down, wherein the pressing plate 13 is connected to the output shaft of the hydraulic rod 14 through a vertical rod 15, and a fixing plate 16 is arranged on the vertical rod 15, and an electric push rod III17 is arranged on the fixing plate 16, wherein a mounting frame 18 is arranged on the output shaft of the electric push rod III17, and a tamping rod 19 corresponding to the material pipe 8 is arranged on the mounting frame 18, wherein a mounting hole for accommodating the bottom end of the tamping rod 19 is arranged on the pressing plate 13.

[0022] like Figure 1 , 2 As shown in Figure 3, the material tube 8 above the mounting plate 6 is covered with a sleeve 20, and the inner diameter of the sleeve 20 is larger than the diameter of the material tube 8, wherein any two adjacent groups of sleeves 20 are connected by a connecting rod 21, and the outermost connecting rod 21 is provided with a slide bar 22 that penetrates the mounting plate 6 and is located on the outside of the base 12, and the bottom end of the slide bar 22 is provided with a protrusion 23, wherein the slide bar 22 above the mounting plate 6 is covered with a spring 24.

[0023] like Figure 2As shown, the width of the bottom plate 3 is equal to the width of the bottom of the material box 1, wherein the length of the bottom plate 3 is smaller than the length of the bottom of the material box 1, and the end of the bottom plate 3 connected to the output shaft of the electric push rod I4 is set against the inner wall corresponding to the material box 1. Then, when the electric push rod I4 drives the bottom plate 3 to move left, it will not be resisted by the left side wall of the material box 1. When the left side wall of the material box 1 resists the bottom plate 3, the through hole 5 on the bottom plate 3 is just offset from the circular hole 2 on the bottom wall of the material box 1.

[0024] In this embodiment, the diameter of the sealing block 10 is matched with the inner diameter of the material tube 8 , wherein a magnetic connection layer magnetically connected to the sealing block 10 is provided on the top surface of the retaining ring 9 .

[0025] In this embodiment, the diameter of the tamping rod 19 is matched with the inner diameter of the material tube 8, wherein the corner edges at the bottom of the tamping rod 19 and the corner edges at the top of the opening of the material tube 8 are both provided with rounded corners.

[0026] The working principle of the present invention is that when in use, the material to be processed is placed inside the material box 1. At this time, the hydraulic rod 14 drives the pressing plate 13 to move down into the material box 1 to squeeze the material to compact it. At the same time, the electric push rod II7 drives the mounting plate 6 to drive the material pipe 8 to slowly slide into the material box 1 through the circular hole 2 and the through hole 5, so that the material pipe 8 is inserted into the compacted material in the material box 1, so that the material pipe 8 can load and take the material in the material box 1 into it during the process of slowly moving upward. In this process, the mounting plate 6 is driven by the spring 24 drives the sleeve 20 to move upward, and the bottom wall of the material box 1 presses against the sleeve 20 and compresses the spring 24 through the connecting rod 21. At the same time, the electric push rod III17 drives the mounting frame 18 to drive the tamping rod 19 to move downward in the mounting hole, so that the tamping rod 19 drives the material to be squeezed into the material pipe 8. At the same time, the tamping rod 19 is inserted into the material pipe 8 to squeeze the material inside, so that the material in the material pipe 8 is prevented from being in a loose state after multiple squeezing and tamping, and the extruded material can also be shaped through the material pipe 8;

[0027] Then the electric push rod II7 drives the mounting plate 6 to drive the material tube 8 to reset, and the pressing plate 13 continues to compact the material in the material box 1 to fill the hollow area inside it, and then repeats the above steps to fill the material tube 8 and compact and shape the material loaded inside it;

[0028] When the material in the material tube 8 is compacted and shaped, the electric push rod I4 drives the bottom plate 3 to move left so that the through hole 5 is staggered with the circular hole 2. The bottom plate 3 is used to block the material in the material box 1 from overflowing through the circular hole 2, and at the same time, the material above the material tube 8 can be cut off. At this time, the electric push rod II7 drives the mounting plate 6 to drive the material tube 8 to move down and slide out of the circular hole 2. During this process, the spring 24 stretches and pushes the connecting rod 21 to drive the sliding rod 22 to move up in the hole on the mounting plate 6, so that the sleeve 20 slides out of the material tube 8 and extends to the top of it. When the material tube 8 moves down to a certain extent, it will be sleeved on the corresponding The ejector pin 11 is on the ejector tube 8, and then the material tube 8 continues to move downward so that the ejector pin 11 passes through the retaining ring 9 and contacts the sealing block 10. Then, during the slow downward movement of the material tube 8, the ejector pin 11 will slowly eject the compacted columnar material inside the material tube 8 through the sealing block 10 to achieve demolding. During the slow ejection of the columnar material from the material tube 8, the top end of the columnar material will slide into the sleeve 20 above the material tube 8. The sleeve 20 supports the upper half of the columnar material to prevent it from swinging greatly during the ejection process, so as to improve the stability and safety of the columnar material during ejection, thereby improving the quality of the material.

[0029] The present invention is described in detail above, but the contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of application of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A lithium battery anode production device, comprising a material box with an open top, characterized in that: The bottom wall of the material box is provided with multiple rows of circular holes in parallel, wherein a bottom plate for sealing the circular holes is provided at the top of the material box, and the bottom plate is driven by an electric push rod I to move horizontally, and a through hole connected to the corresponding circular hole is provided on the bottom plate, and a mounting plate driven by an electric push rod II to move up and down is provided at the bottom of the material box, wherein a material tube with a top end passing through the corresponding circular hole and extending into the through hole is provided on the mounting plate, and a retaining ring is provided on the bottom wall of the material tube opening, and a sealing block is provided in the material tube above the retaining ring, wherein a push rod which can pass through the retaining ring opening and extend into the material tube to abut against the sealing block is also provided below the material tube, and multiple groups of push rods are fixed on the base; A pressure plate driven by a hydraulic rod to move up and down is arranged on the top of the material box, wherein the pressure plate is connected to the output shaft of the hydraulic rod through a vertical rod, and a fixed plate is arranged on the vertical rod, an electric push rod III is arranged on the fixed plate, wherein a mounting frame is arranged on the output shaft of the electric push rod III, a tamping rod corresponding to the material pipe is arranged on the mounting frame, and a mounting hole for accommodating the bottom end of the tamping rod is arranged on the pressure plate.

2. A lithium battery anode production device according to claim 1, characterized in that: A sleeve is arranged on the outer sleeve of the material pipe above the mounting plate, and the inner diameter of the sleeve is larger than the diameter of the material pipe, wherein any two adjacent groups of sleeves are connected by a connecting rod, and a sliding rod is arranged on the outermost connecting rod, which passes through the mounting plate and is located on the outer side of the base, and a protrusion is arranged on the bottom end of the sliding rod, wherein a spring is arranged on the outer sleeve of the sliding rod above the mounting plate.

3. A lithium battery anode production device according to claim 1, characterized in that: The width of the bottom plate is equal to the width of the bottom of the material box, wherein the length of the bottom plate is smaller than the length of the bottom of the material box, and the end of the bottom plate connected to the output shaft of the electric push rod I is set against the inner wall corresponding to the material box.

4. A lithium battery anode production device according to claim 1, characterized in that: The diameter of the sealing block is matched to the inner diameter of the material pipe, wherein a magnetic connection layer magnetically connected to the sealing block is arranged on the top surface of the retaining ring.

5. A lithium battery anode production device according to claim 1, characterized in that: The diameter of the tamping rod is matched with the inner diameter of the material tube, wherein the corner edges at the bottom of the tamping rod and the corner edges at the top of the material tube opening are both provided with chamfered corners.

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