A lithium battery anode production device

Abstract

The present invention relates to a lithium battery anode production device, comprising a material box with an open top, wherein the bottom wall of the material box is provided with multiple rows of circular holes in parallel, wherein a bottom plate is provided at the top of the material box to seal the circular holes, and the bottom plate is driven by an electric push rod I to move horizontally, and a through hole is provided on the bottom plate to communicate with the corresponding circular hole, and a mounting plate is provided at the bottom of the material box to move up and down by an electric push rod II, wherein a material tube is provided on the mounting plate, the top of which passes through the corresponding circular hole and extends into the through hole, 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 is further provided below the material tube, which can pass through the retaining ring opening and extend into the material tube to abut against the sealing block, and multiple groups of push rods are fixed to the base; and a pressure plate is provided at the top of the material box to move up and down by a hydraulic rod. The present invention can effectively improve the compaction degree of extruded material, which helps to avoid the problem of material being too loose when extruded.

Description

Technical Field

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

[0002] Lithium batteries use lithium metal or lithium alloys as the negative electrode material and a non-aqueous electrolyte solution, hence the name lithium metal battery. Unlike other batteries, lithium batteries boast high charge density, long lifespan, and high unit cost. Depending on the structural design and electrode materials, lithium batteries can generate voltages ranging from 1.5V to 3.7V.

[0003] However, when producing lithium batteries, traditional production equipment uses direct stamping to extrude materials. During use, the material is relatively loose at the beginning. Therefore, the material just extruded has a loose texture and a low 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 force area of ​​the pressure plate is large, its pressure is smaller, making it difficult 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, and when the material is squeezed out of the circular hole and suspended in the air without being compacted and completely shaped, the columnar material at this time is arbitrarily affected by external factors and bent or broken. Summary of the Invention

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

[0005] The technical problems of the present invention are mainly solved by the following technical solutions:

[0006] A lithium battery anode production device includes 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 on 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 of the material box, 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 is further provided below the material tube, which can pass through the retaining ring opening and extend into the material tube to abut against the sealing block, and multiple groups of push rods are fixed to the base;

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

[0009] Preferably, a sleeve is provided 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 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 provided on the outer sleeve of 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 is provided on the top surface of the retaining ring for magnetic connection with the sealing block.

[0012] Preferably, the diameter of the tamping rod is adapted 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 that when the present invention is used, the material to be processed is placed inside the material box. At this time, the pressure plate is driven down into the material box by the hydraulic rod to squeeze the material to compact it. 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 as to be 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 slow upward movement of the material pipe. 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. At the same time, the tamping rod is inserted into the material pipe to squeeze 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 structural schematic diagram 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. slide rod, 23. bump, 24. spring. DETAILED DESCRIPTION

[0018] Below by embodiment, and in conjunction with the accompanying 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 is provided on the top of the material box 1 to seal the circular holes 2, 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. A mounting plate 6 is provided at the bottom of the material box 1 to be driven by an electric push rod II7 to move up and down, wherein a material tube 8 with a top end passing through the corresponding circular hole 2 and extending into the through hole 5 is provided on the mounting plate 6, and a retaining ring 9 is provided on the bottom wall of the opening of the material tube 8. A sealing block 10 is provided in the material tube above the retaining ring 9, wherein a push rod 11 is further provided below the material tube 8, which can pass through the opening of the retaining ring 9 and extend into the material tube 8 to abut against the sealing block 10, and multiple groups of push rods 11 are fixed on the base 12;

[0021] A pressing plate 13 is provided at the top of the material box 1, which 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 provided on the vertical rod 15, and an electric push rod III17 is provided on the fixing plate 16, wherein a mounting bracket 18 is provided on the output shaft of the electric push rod III17, and a tamping rod 19 corresponding to the material tube 8 is provided on the mounting bracket 18, wherein a mounting hole for accommodating the bottom end of the tamping rod 19 is provided 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. 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 rod 22 that passes through the mounting plate 6 and is located on the outside of the base 12, and the bottom end of the slide rod 22 is provided with a protrusion 23, wherein the slide rod 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 to abut 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 abutted by the left side wall of the material box 1. When the left side wall of the material box 1 abuts against 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 adapted to the inner diameter of the material tube 8 , wherein a magnetic connection layer is provided on the top surface of the retaining ring 9 , which is magnetically connected to the sealing block 10 .

[0025] In this embodiment, the diameter of the tamping rod 19 is adapted to 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 pressure 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 tube 8 to slowly slide into the material box 1 through the circular hole 2 and the through hole 5, so as to insert the material tube 8 into the compacted material in the material box 1, so that the material tube 8 can load and take the material in the material box 1 into it during the process of slowly moving upward. During 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 III 17 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 squeezed material can also be shaped by the material pipe 8.

[0027] Then the electric push rod II7 drives the mounting plate 6 to bring the material tube 8 back to its original position, and the pressing plate 13 continues to compact the material in the material box 1 to fill the hollow area inside it. Then the above steps are repeated to fill the material tube 8 and compact and shape the material 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 blocks the material in the material box 1 from overflowing through the circular hole 2, and at the same time, it can cut off the material above the material tube 8. 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 slide 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 its upper part. When the material tube 8 moves down to a certain extent, it will be sleeved on the corresponding On the ejector pin 11, 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, in the process of the material tube 8 slowly moving downward, the ejector pin 11 will slowly eject the columnar material compacted and formed inside the material tube 8 through the sealing block 10 to achieve demoulding. In the process of the columnar material slowly ejecting from the material tube 8, its top end 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 when it is ejected, thereby improving the quality of the material.

[0029] The present invention has been described in detail above, but the contents described are only preferred embodiments of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope 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 on 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 of the material box, 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 is further provided below the material tube, which can pass through the retaining ring opening and extend into the material tube to abut against the sealing block, and multiple groups of push rods are fixed to the base; A pressure plate is provided at the top of the material box, which is driven by a hydraulic rod to move up and down, wherein the pressure plate is connected to the output shaft of the hydraulic rod through a vertical rod, and a fixed plate is provided on the vertical rod, and an electric push rod III is provided on the fixed plate, wherein a mounting frame is provided on the output shaft of the electric push rod III, and a tamping rod corresponding to the material pipe is provided on the mounting frame, wherein the pressure plate is provided with a mounting hole for accommodating the bottom end of the tamping rod.

2. The lithium battery anode production device according to claim 1, characterized in that: The material pipe above the mounting plate is covered with a sleeve, the inner diameter of the sleeve is larger than the diameter of the material pipe, any two adjacent groups of sleeves are connected by a connecting rod, and the outermost connecting rod is provided with a sliding rod that 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 the sliding rod above the mounting plate is covered with a spring.

3. The 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 to offset the inner wall corresponding to the material box.

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

5. The lithium battery anode production device according to claim 1, characterized in that: The diameter of the tamping rod is adapted 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 opening of the material tube are both provided with chamfered corners.

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