New energy blowing expansion extrusion equipment

The new energy air blowing expansion extrusion equipment uses air pressure to uniformly extrude the battery cells, solving the problem of inconsistent battery cell capacity in existing equipment and achieving uniform force and pressure control during the battery cell production process.

CN223462252UActive Publication Date: 2025-10-21SUZHOU LIANGCAI LOGISTICS TECH
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Patent Information

Application Number
CN202422543023.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-10-21
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

Existing extrusion equipment cannot guarantee the consistency of battery cell capacity, resulting in uneven extrusion pressure on battery cells at different positions.

Method used

New energy air blowing, expansion and extrusion equipment is used to extrude the battery cells using air pressure. The air-filled cavity of the spacer assembly is inflated to press the battery cells, ensuring that the battery cells in each extrusion cavity are evenly stressed. Soft rubber sheets are used to avoid damage to hard materials, and a pressure relief valve is used to control the pressure in the air flow channel.

Benefits of technology

The consistency of capacity is achieved during the battery cell production process, battery cell damage is avoided, and the force uniformity of the battery cell and the pressure control are ensured to be within a reasonable range.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides new energy blowing expansion extrusion equipment which comprises a bottom plate, a first side plate and a second side plate are arranged at the front end and the rear end of the bottom plate respectively, a first fixing rod and a second fixing rod are arranged on the left side and the right side of the bottom plate respectively, and the left side of the first side plate is connected with the left side of the second side plate through the first fixing rod. The right side of the first side plate is connected with the right side of the second side plate through a second fixing rod, a plurality of groups of spacing assemblies are arranged between the first side plate and the second side plate, extrusion cavities used for placing battery cells are formed between the adjacent spacing assemblies, an air inlet assembly is arranged above the first fixing rod, and the air inlet assembly is communicated with the spacing assemblies; and the interval assembly is inflated through the air inlet assembly, and the interval assembly is expanded to jack and press the battery cell in the extrusion cavity. In the production process of the battery cell, the battery cell is extruded by adopting air pressure, so that the consistency of the capacity of the produced battery cell is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery cell production equipment, in particular to a new energy blowing inflation extrusion equipment. BACKGROUND

[0002] The capacity of the battery cell is an important technical parameter, and the battery cell needs to be extruded in the production process to ensure the consistency of the production battery cell capacity. The existing extrusion equipment, such as the utility model patent with the authorized announcement number CN210040424U, discloses an extrusion tool for controlling the thickness of the battery cell. The tool uses a push plate to push the baffle one by one to the left to extrude the battery cell. In this structure, the baffles are multiple. Since there is friction between each baffle and the guide rod, the farther the baffle is from the push plate, the smaller the force it receives, and the smaller the extrusion force on the battery cell. This results in different extrusion forces on the battery cells at different positions, which cannot guarantee the consistency of the battery cell capacity. SUMMARY

[0003] The technical problem to be solved by the utility model is that the existing extrusion equipment cannot guarantee the consistency of the battery cell capacity. The utility model provides a new energy blowing inflation extrusion equipment.

[0004] The technical solution adopted by the utility model to solve its technical problem is as follows: a new energy blowing inflation extrusion equipment, including the bottom plate, the front and rear ends of the bottom plate are respectively provided with the first side plate and the second side plate, the left and right sides of the bottom plate are respectively provided with the first fixed rod and the second fixed rod, the left side of the first side plate and the second side plate is connected through the first fixed rod, the right side of the first side plate and the second side plate is connected through the second fixed rod, a plurality of interval assemblies are arranged between the first side plate and the second side plate, the extrusion cavities for placing the battery cells are formed between the adjacent interval assemblies, the air inlet assembly is arranged above the first fixed rod, the air inlet assembly is communicated with the interval assembly, the interval assembly is inflated and presses the battery cell in the extrusion cavity through the air inlet assembly.

[0005] Further, the interval assembly includes a first baffle, a second baffle, a first soft rubber plate, a second soft rubber plate, and a steel ring. The outer edges of the first soft rubber plate and the second soft rubber plate are respectively pasted on the left and right sides of the steel ring, forming an inflation cavity between the first soft rubber plate and the second soft rubber plate. The steel ring serves as a ring-shaped support for the inflation cavity. The first baffle and the second baffle are both rectangular plates with openings in the middle. The first baffle is arranged on the outside of the first soft rubber plate, and the second baffle is arranged on the outside of the second soft rubber plate. The first baffle and the second baffle fix the first soft rubber plate and the second soft rubber plate inside and at the edges. The upper edges of the first baffle and the second baffle are connected together. The first soft rubber plate and the second soft rubber plate are exposed to the two sides of the extrusion cavity from the openings in the middle of the first baffle and the second baffle.

[0006] Further, in order to support the partition, the first partition is internally provided with a first steel plate at the upper and lower ends, and the second partition is internally provided with a second steel plate at the upper and lower ends. The steel plate is used to strengthen the partition, so as to ensure the strength of the partition under pressure.

[0007] Further, the air inlet assembly comprises an air inlet plate arranged above the first fixed rod, at least one air flow channel is arranged in the air inlet plate, an air inlet valve in communication with the air flow channel is arranged at one end of the air inlet plate, a pressure relief valve in communication with the air flow channel is arranged at the other end of the air inlet plate, and a plurality of pressure distribution connectors are further arranged on the air inlet plate, and the air flow channel is in communication with the inflation cavity of the spacing assembly through the pressure distribution connectors.

[0008] Further, the air inlet channel is two, arranged in parallel at the upper and lower ends, and the upper and lower air inlet channels are communicated through the communication holes.

[0009] Further, the opening end of the air flow channel is further provided with a gas plug for plugging.

[0010] Further, in order to play a buffering and damping role in the process of circulation and transportation, a plurality of air damping cavities are arranged at the bottom of the extrusion cavity, and the air damping cavities are formed by the transverse extension of the first partition and the second partition on both sides of the extrusion cavity.

[0011] Further, in order to facilitate carrying, handles are arranged on the first side plate and the second side plate.

[0012] Further, in order to meet the needs of automatic production, an automatic positioning device is further arranged on the bottom surface of the bottom plate. The automatic positioning device can quickly position and install on the automatic equipment.

[0013] Further, in order to facilitate circulation and movement, rollers are arranged on the left and right sides of the bottom plate.

[0014] The new energy blowing and expanding extrusion equipment has the advantages that: in the process of producing the battery cell, the battery cell is extruded by air pressure, so that the consistency of the production battery cell capacity is ensured; the extrusion cavity is formed by the soft rubber plate, the battery cell is extruded, and damage of the battery cell caused by hard material is avoided; the plurality of pressure distribution connectors are used to make each extrusion cavity bear force at the same time, so that the uniform force of the battery cell in different extrusion cavities is ensured; the pressure relief valve is used to control the pressure in the air flow channel, so that the pressure is kept in the required range, and excessive pressure or insufficient pressure of the battery cell is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings and examples.

[0016] Figure 1It is the three-dimensional structure schematic view of the new energy blowing inflation extrusion equipment.

[0017] Figure 2 It is the three-dimensional structure schematic view of the new energy blowing inflation extrusion equipment.

[0018] Figure 3 It is the overhead structure schematic view of the new energy blowing inflation extrusion equipment.

[0019] Figure 4 It is Figure 3 The cross section structure schematic view of A-A.

[0020] Figure 5 It is Figure 3 The cross section structure schematic view of B-B.

[0021] Figure 6 It is Figure 5 The enlarged structure schematic view of right side battery cell.

[0022] Figure 7 It is the front view structure schematic view of the new energy blowing inflation extrusion equipment.

[0023] Figure 8 It is the rear view structure schematic view of the new energy blowing inflation extrusion equipment.

[0024] Figure 9 It is the side view structure schematic view of the new energy blowing inflation extrusion equipment.

[0025] In the figure: 1, bottom plate, 2, first side plate, 3, second side plate, 4, spacing assembly, 4.1, first baffle, 4.2, second baffle, 4.3, first steel plate, 4.4, second steel plate, 4.5, first soft rubber plate, 4.6, second soft rubber plate, 4.7, steel ring, 4.8, inflation cavity, 5, first fixed rod, 6, second fixed rod, 7, air inlet valve, 8, pressure relief valve, 9, pressure dividing connector, 10, air inlet plate, 10.1, airflow channel, 10.2, communication hole, 11, air plug, 12, automatic positioning device, 13, handle, 14, roller, 15, battery cell, 16, extrusion cavity, 17, air damping cavity. DETAILED DESCRIPTION

[0026] The utility model will be further described in detail in combination with the drawings. These drawings are all simplified schematic diagrams, only the basic structure of the utility model is schematically shown, therefore, only the relevant structure of the utility model is shown, and the direction and reference (such as up, down, left, right, etc.) can only be used to help the description of the features in the drawings. Therefore, the following specific embodiments are not used in a limiting sense, and the scope of the claimed subject matter is only defined by the appended claims and their equivalents.

[0027] As Figures 1-9 The utility model discloses a new energy blowing inflation extrusion equipment, including the bottom plate 1, still be equipped with the automatic positioning device 12 on the bottom surface of bottom plate 1, the automatic positioning device 12 is four in this embodiment, in order to facilitate the flow transfer movement, the left and right sides of bottom plate 1 are equipped with two rows of gyro wheel 14, the front and rear ends of bottom plate 1 are equipped with first side plate 2 and second side plate 3 respectively, in order to facilitate handling, the first side plate 2 and second side plate 3 are all equipped with handle 13, two handle 13 are equipped on each side plate in this embodiment, the left and right sides of bottom plate 1 are equipped with first fixed rod 5 and second fixed rod 6 respectively, the first fixed rod 5 is two in this embodiment, and the second fixed rod 6 is three, the installation space of air inlet assembly is reserved above first fixed rod 5, and first fixed rod 5 and second fixed rod 6 are used for the fixation of interval assembly 4, the left side of first side plate 2 and second side plate 3 is connected through first fixed rod 5, the right side of first side plate 2 and second side plate 3 is connected through second fixed rod 6, and a plurality of interval assembly 4 is equipped between first side plate 2 and second side plate 3, the extrusion cavity 16 for placing the electric core 15 is formed between adjacent interval assembly 4, air inlet assembly is equipped above first fixed rod 5, air inlet assembly is communicated with interval assembly 4, interval assembly 4 is inflated and presses the electric core 15 in extrusion cavity 16 through the inflation of air inlet assembly.

[0028] As Figure 4 The air inlet assembly includes the air inlet plate 10 arranged above the first fixed rod 5, at least one airflow channel 10.1 is arranged in the air inlet plate 10, one end of the air inlet plate 10 is provided with an air inlet valve 7 communicated with the airflow channel 10.1, the other end of the air inlet plate 10 is provided with a pressure relief valve 8 communicated with the airflow channel 10.1, a plurality of pressure distribution joints 9 are further arranged on the air inlet plate 10, and the airflow channel 10.1 is communicated with the inflation cavity 4.8 of the interval assembly 4 through the pressure distribution joints 9. The air inlet channel is two, and the two air inlet channels are arranged in parallel and are communicated through the communication holes 10.2. The open end of the airflow channel 10.1 is further provided with a gas plug 11 for plugging.

[0029] As Figure 5 And Figure 6As shown, the spacing assembly 4 comprises a first partition plate 4.1, a second partition plate 4.2, a first soft rubber plate 4.5, a second soft rubber plate 4.6 and a steel ring 4.7, the outer edges of the first soft rubber plate 4.5 and the second soft rubber plate 4.6 are respectively pasted on the left and right sides of the steel ring 4.7, the first soft rubber plate 4.5 and the second soft rubber plate 4.6 form an inflation cavity 4.8 therebetween, the steel ring 4.7 serves as a ring-shaped support of the inflation cavity 4.8, the first soft rubber plate 4.5 and the second soft rubber plate 4.6 are flexible materials, therefore, the steel ring 4.7 is used for supporting and bonding the first soft rubber plate 4.5 and the second soft rubber plate 4.6 on the steel ring 4.7. The first partition plate 4.1 and the second partition plate 4.2 are both rectangular plates with openings in the middle, the first partition plate 4.1 is arranged on the outer side of the first soft rubber plate 4.5, the second partition plate 4.2 is arranged on the outer side of the second soft rubber plate 4.6, and the first partition plate 4.1 and the second partition plate 4.2 buckle the first soft rubber plate 4.5 and the second soft rubber plate 4.6 in the inside and fix the edges, the upper side edges of the first partition plate 4.1 and the second partition plate 4.2 are buckled and connected together, the first soft rubber plate 4.5 and the second soft rubber plate 4.6 are exposed on both sides of the extrusion cavity 16 from the openings in the middle of the first partition plate 4.1 and the second partition plate 4.2. In order to support the partition plates, the first steel plate 4.3 is arranged in the inside of the upper and lower ends of the first partition plate 4.1, and the second steel plate 4.4 is arranged in the inside of the upper and lower ends of the second partition plate 4.2. The steel plates are used for reinforcing the partition plates to ensure the strength of the partition plates under pressure. In order to play a buffering and damping role in the process of flowing and transporting, the bottom of the extrusion cavity 16 is provided with a plurality of air damping cavities 17, and the air damping cavities 17 are formed by the lateral extensions of the first partition plate 4.1 and the second partition plate 4.2 on both sides of the same extrusion cavity 16.

[0030] Working principle:

[0031] The battery cell 15 is placed in the extrusion cavity 16 one by one, then the air inlet valve 7 is connected to the air source, the air inlet plate 10 is inflated, the high-pressure gas enters the airflow channel 10.1 and then enters each inflation cavity 4.8 through the pressure distribution joint 9, the inflation cavity 4.8 is inflated, and the soft rubber plates on both sides are pressed outward to expand and press the battery cell 15, thereby realizing the extrusion of the battery cell 15. When the pressure in the airflow channel 10.1 is too large, the pressure is released through the pressure relief valve 8, and after the pressurization is completed, the battery cell 15 is taken out, the pressure in the airflow channel 10.1 is released through the pressure relief valve 8, and the battery cell 15 is taken out.

[0032] Based on the above ideal embodiments of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the scope of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of the claims.

Claims

1. A new energy blowing expansion extrusion device, characterized by: The utility model provides a battery cell extrusion device, including bottom plate, the front and rear ends of bottom plate are equipped with first side plate and second side plate respectively, the left and right sides of bottom plate are equipped with first fixed link and second fixed link respectively, the left side of first side plate and second side plate is connected through first fixed link, the right side of first side plate and second side plate is connected through second fixed link, and a plurality of groups of interval components are arranged between first side plate and second side plate, extrusion cavity for placing battery cell is formed between adjacent interval components, air inlet assembly is arranged above first fixed link, air inlet assembly communicates with interval component, and interval component is inflated and presses battery cell in extrusion cavity through air inlet assembly.

2. The new energy blowing, expanding and extruding apparatus according to claim 1, characterized in that: The interval component includes a first partition plate, a second partition plate, a first soft rubber plate, a second soft rubber plate, and a steel ring. The outer edges of the first and second soft rubber plates are respectively attached to the left and right sides of the steel ring, forming an inflation cavity between the first and second soft rubber plates. The first and second partition plates are both rectangular plates with openings in the middle. The first partition plate is arranged outside the first soft rubber plate, and the second partition plate is arranged outside the second soft rubber plate. The first and second partition plates fix the first and second soft rubber plates inside and at the edges. The first and second soft rubber plates are exposed on both sides of the extrusion cavity through the openings in the first and second partition plates.

3. The new energy blowing, expanding and extruding apparatus according to claim 2, characterized in that: The first partition plate has a first steel plate inside both ends, and the second partition plate has a second steel plate inside both ends.

4. The new energy blowing, expanding and extruding apparatus according to claim 2, characterized in that: The air inlet assembly includes an air inlet plate arranged above the first fixed link. The air inlet plate has at least one air flow channel inside. One end of the air inlet plate has an air inlet valve connected to the air flow channel, and the other end has a pressure relief valve connected to the air flow channel. The air inlet plate also has multiple pressure distribution connectors. The air flow channel is connected to the inflation cavity of the interval component through the pressure distribution connectors.

5. The new energy blowing, expanding and extruding apparatus according to claim 4, characterized in that: The air inlet channel is two parallel channels arranged vertically, and the two channels are connected through a communication hole.

6. The new energy blowing inflation extrusion device according to claim 4, characterized in that: The open end of the air flow channel also has a plug for plugging.

7. The new energy blowing inflation extrusion device according to claim 1, characterized in that: The extrusion cavity has multiple air damping cavities at the bottom, which are formed by the lateral extensions of the first and second partition plates on both sides of the extrusion cavity.

8. The new energy blowing inflation extrusion device according to claim 1, characterized in that: Both the first and second side plates have handles.

9. The new energy blowing inflation extrusion device according to claim 1, characterized in that: The bottom surface of the bottom plate also has an automatic positioning device.

10. The new energy blowing inflation extrusion device according to claim 1, characterized in that: The left and right sides of the bottom plate have rollers.

Citation Information

Patent Citations

  • Extrusion tool for controlling thickness of battery cell

    CN210040424U