Adjustable gasket for slit type extrusion coating machine

By designing adjustable gaskets, using the combination of fixed gaskets and adjustable gaskets, the complex problem of gasket replacement during switching of slit extrusion coating machines is solved, achieving rapid model switching and time and cost savings.

CN222943801UActive Publication Date: 2025-06-06SHANWEI TIANMAO NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202421730441.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-06-06
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The fixed-width gaskets used in existing slit type extrusion coating machines need to be frequently disassembled when switching models, resulting in a long model switching time and a complicated replacement process, which affects the equipment productivity.

Method used

An adjustable gasket is designed, including a fixed gasket body, a left gasket body, a right gasket body, a first adjustable gasket body and a second adjustable gasket body. The coating width setting of different models is achieved through the position adjustment of these components, avoiding the replacement of the overall gasket.

Benefits of technology

It realizes rapid model replacement without frequent disassembly of gaskets, shortens model switching time of extrusion coating machines, reduces design costs, and saves time for each disassembly, cleaning, installation and commissioning.

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Abstract

The utility model discloses an adjustable gasket for a slit type extrusion coating machine, which comprises a fixed gasket body provided with a first through hole; the left side gasket body is vertically arranged on one side of the fixed gasket body and is provided with a second through hole; the right side gasket body is vertically arranged on the other side of the fixed gasket body and is provided with a third through hole; the first adjustable gasket body is movably arranged above the gasket body on the left side; the second adjustable gasket body is movably arranged above the right side gasket body; the thickness of the fixed gasket body, the thickness of the left side gasket body, the thickness of the right side gasket body, the thickness of the first adjustable gasket body and the thickness of the second adjustable gasket body are equal. By means of the mode, the gasket does not need to be disassembled frequently every time when models are replaced, only the position of the adjustable gasket body needs to be changed, the model switching time is effectively shortened, the gasket does not need to be replaced integrally, the number of jigs needed for model replacement is not too large, and the design cost is effectively reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of slit-type extrusion coating machines, in particular to an adjustable gasket for slit-type extrusion coating machines. Background Art

[0002] Polymer lithium battery is a kind of new energy battery, and in the manufacturing process of lithium-ion battery, the coating process is the key process. Given that the current consumer demand for products is customized, it means that the product models produced by the factory will be greater than the configured machines. For example, some factories produce about 25 models per week, sometimes even more. The two coating process lines have to change several different models every day, which is very time-consuming and seriously affects the utilization rate of the coating equipment.

[0003] At present, the gaskets used in the existing slit extrusion coaters in the industry are conventional single-width fixed gaskets, that is, the width of the gaskets used in the slit extrusion coaters on the market is fixed. When the model of the slit extrusion coater is switched, the gasket needs to be frequently disassembled each time the model is changed. The model switching time of the extrusion coater is long, and the replacement of the gasket is also a whole replacement, which makes the number of jigs required for the model change relatively increase. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides an adjustable gasket for a slit-type extrusion coating machine, which can solve the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To solve the above technical problems, the utility model provides the following technical solutions: an adjustable gasket for a slit extrusion coater, characterized in that it includes: a fixed gasket body, which is in a long flat shape, wherein a plurality of first through holes are arranged at intervals in the fixed gasket body; a left gasket body, which is in a long flat shape, vertically arranged on one side of the fixed gasket body, wherein a second through hole is arranged in the left gasket body; a right gasket body, which is in a long flat shape, vertically arranged on the other side of the fixed gasket body, wherein a third through hole is arranged in the right gasket body; a first adjustable gasket body, which is in a long flat shape, movably arranged above the left gasket body; a second adjustable gasket body, which is in a long flat shape, movably arranged above the right gasket body; wherein the thicknesses of the fixed gasket body, the left gasket body, the right gasket body, the first adjustable gasket body and the second adjustable gasket body are all equal.

[0008] Furthermore, the fixed gasket body, the left gasket body and the right gasket body are integrally formed.

[0009] Furthermore, the first adjustable gasket body is provided with a first scale along its length direction, and the second adjustable gasket body is provided with a second scale along its length direction.

[0010] Furthermore, a first protrusion extending toward the right gasket body is provided at the top end of the left gasket body, and a second protrusion extending toward the left gasket body is provided at the top end of the right gasket body.

[0011] Furthermore, a fourth through hole is provided at one end of the first adjustable gasket body away from the second adjustable gasket body, and a fifth through hole is provided at one end of the second adjustable gasket body away from the first adjustable gasket body, wherein the other end of the first adjustable gasket body is provided with a first extension block extending downward, and the other end of the second adjustable gasket body is provided with a second extension block extending downward.

[0012] Furthermore, a first groove is provided in a horizontal direction at the top end of the left gasket body toward a side of the right gasket body, a first clamping block is provided in a horizontal direction at the first extension block toward a side of the left gasket body and is accommodated in the first groove, a second groove is provided in a horizontal direction at the top end of the right gasket body toward a side of the left gasket body, and a second clamping block is provided in a horizontal direction at the second extension block toward a side of the right gasket body and is accommodated in the second groove.

[0013] Furthermore, the first slot and the second slot are in the shape of long rectangles, and the first clamping block and the second clamping block are in the shape of long rectangles, wherein the width of the first slot along the vertical direction is equal to the width of the first clamping block along the vertical direction, and the width of the second slot along the vertical direction is equal to the width of the second clamping block along the vertical direction.

[0014] Furthermore, the first clamping block is arranged in parallel and spaced apart from the first adjustable gasket body, and the second clamping block is arranged in parallel and spaced apart from the second adjustable gasket body.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides an adjustable gasket for a slit extrusion coater, which has the following beneficial effects: the adjustable gasket for a slit extrusion coater disclosed in the utility model includes: a fixed gasket body, provided with a first through hole; a left gasket body, vertically arranged on one side of the fixed gasket body, provided with a second through hole; a right gasket body, vertically arranged on the other side of the fixed gasket body, provided with a third through hole; a first adjustable gasket body, movably arranged above the left gasket body; a second adjustable gasket body, movably arranged above the right gasket body; wherein the thicknesses of the fixed gasket body, the left gasket body, the right gasket body, the first adjustable gasket body and the second adjustable gasket body are all equal. Through the above method, the position of the adjustable gasket used in the slit extrusion coater disclosed by the utility model can be changed, so that each time the model is changed, there is no need to frequently remove the gasket, and only the position of the adjustable gasket body needs to be changed, which effectively shortens the model switching time of the extrusion coater, and does not require the gasket to be replaced as a whole, so that the number of jigs required for the model change does not need to be too large, and there is no need for one jig for each model, which effectively reduces the design cost and can also save the time of each disassembly, cleaning, installation and debugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an embodiment of an adjustable gasket for a slot-type extrusion coating machine of the utility model;

[0018] Figure 2 It is a structural schematic diagram of another embodiment of the adjustable gasket for the slot-type extrusion coating machine of the utility model;

[0019] Figure 3 for Figure 2 A schematic diagram of a first partial structure of the adjustable gasket;

[0020] Figure 4 for Figure 2 Schematic diagram of the second partial structure of the adjustable gasket. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1The utility model provides an adjustable gasket for a slot extrusion coater, comprising a fixed gasket body 10, a left gasket body 11, a right gasket body 12, a first adjustable gasket body 13 and a second adjustable gasket body 14.

[0023] The fixed gasket body 10 is in a long flat shape, wherein a plurality of first through holes 101 are arranged at intervals in the fixed gasket body 10. It should be understood that the fixed gasket body 10 is used to be fixedly arranged on the die head of the slot extrusion coater, that is, the fixed gasket body 10 is fixed on the lower die head of the slot extrusion coater through the first through holes 101, and then pressed by the upper die head.

[0024] The left gasket body 11 is in a long flat shape, wherein the left gasket body 11 is vertically disposed on one side of the fixed gasket body 10 , and a second through hole 111 is disposed in the left gasket body 11 .

[0025] The right gasket body 12 is in a long flat shape, wherein the right gasket body 12 is vertically disposed on the other side of the fixed gasket body 10 , and a third through hole 121 is disposed in the right gasket body 12 .

[0026] Preferably, the fixed gasket body 10 , the left gasket body 11 and the right gasket body 12 are integrally formed.

[0027] Furthermore, a first protrusion 112 extending toward the right gasket body 12 is provided at the top of the left gasket body 11 , and a second protrusion 122 extending toward the left gasket body 11 is provided at the top of the right gasket body 12 .

[0028] The first adjustable gasket body 13 is in a long flat shape, wherein the first adjustable gasket body 13 is movably disposed above the left gasket body 11 .

[0029] The second adjustable gasket body 14 is in a long flat shape, wherein the second adjustable gasket body 14 is movably disposed above the right gasket body 12 .

[0030] It should be understood that the first adjustable gasket body 13 and the second adjustable gasket body 14 of the present embodiment are also used to be placed on the lower die head of the slit extrusion coater, that is, when the first adjustable gasket body 13 and the second adjustable gasket body 14 are placed on the lower die head of the slit extrusion coater, the first adjustable gasket body 13 is above the left gasket body 11 and the second adjustable gasket body 14 is above the right gasket body 12, and the first adjustable gasket body 13 and the second adjustable gasket body 14 are movable, and the first adjustable gasket body 13 and the second adjustable gasket body 14 can be moved manually to change the position of the first adjustable gasket body 13 and the second adjustable gasket body 14 to adjust the width between the first adjustable gasket body 13 and the second adjustable gasket body 14 to change the model of the slit extrusion coater.

[0031] In this embodiment, the thicknesses of the fixed gasket body 10, the left gasket body 11, the right gasket body 12, the first adjustable gasket body 13 and the second adjustable gasket body 14 are all equal, so that when the upper die head of the slit extrusion coater presses the lower die head, the fixed gasket body 10, the left gasket body 11, the right gasket body 12, the first adjustable gasket body 13 and the second adjustable gasket body 14 can be pressed at the same time.

[0032] Preferably, the first adjustable gasket body 13 is provided with a first scale along its length direction, and the second adjustable gasket body 14 is provided with a second scale along its length direction, so that the adjusted length of the first adjustable gasket body 13 and the adjusted length of the second adjustable gasket body 14 can be quickly known.

[0033] Further, a fourth through hole 131 is provided at one end of the first adjustable gasket body 13 away from the second adjustable gasket body 14, and a fifth through hole 141 is provided at one end of the second adjustable gasket body 14 away from the first adjustable gasket body 13. It should be understood that the fourth through hole 131 and the fifth through hole 141 can be used as positioning holes, that is, the lower die head is also provided with a clamping hole (there are multiple) corresponding to the positioning hole, so as to facilitate the penetration of bolts to fix the adjustable gasket body.

[0034] In this embodiment, the other end of the first adjustable gasket body 13 is provided with a first extension block 132 extending downward, and the other end of the second adjustable gasket body 14 is provided with a second extension block 142 extending downward. It should be understood that the distance between the first extension block 132 and the second extension block 142 is used as the coating width, and the distance between the first extension block 132 and the second extension block 142 is changed by changing the position of the first adjustable gasket body 13 and / or the second adjustable gasket body 14 to adjust the coating width and change the model.

[0035] Further references Figure 2-Figure 4 The top end of the left gasket body 11 is provided with a first slot 113 in the horizontal direction toward the side of the right gasket body 12, and the first extension block 132 is provided with a first clamping block 133 received in the first slot 113 on the side of the left gasket body 11. It should be understood that the first clamping block 133 can slide in the first slot 113 in the horizontal direction.

[0036] Furthermore, the top end of the right gasket body 12 is provided with a second slot 123 in the horizontal direction toward the side of the left gasket body 11, and the second extension block 142 is provided with a second clamping block 143 received in the second slot 123 on the side of the right gasket body 12. It should be understood that the second clamping block 143 can slide in the second slot 123 in the horizontal direction.

[0037] In this embodiment, the first slot 113 and the second slot 123 are in the shape of a long rectangular strip, and the first clamping block 133 and the second clamping block 143 are in the shape of a long rectangular strip, wherein the width of the first slot 113 along the vertical direction is equal to the width of the first clamping block 133 along the vertical direction ( Figure 2 The width of the second slot 123 along the vertical direction is equal to the width of the second locking block 143 along the vertical direction, so that the first locking block 133 can only move in the first slot 113 along the horizontal direction, and the second locking block 143 can only move in the second slot 123 along the horizontal direction.

[0038] Preferably, the first locking block 133 is arranged in parallel and spaced apart from the first adjustable gasket body 13 , and the second locking block 143 is arranged in parallel and spaced apart from the second adjustable gasket body 14 .

[0039] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable gasket for a slot extrusion coater, characterized in that: include: The fixing gasket body is in a long flat shape, wherein a plurality of first through holes are arranged at intervals in the fixing gasket body; The left gasket body is in a long flat shape and is vertically arranged on one side of the fixed gasket body, wherein a second through hole is arranged in the left gasket body; The right gasket body is in a long flat shape and is vertically arranged on the other side of the fixed gasket body, wherein a third through hole is arranged in the right gasket body; The first adjustable gasket body is in a long flat shape and is movably arranged above the left gasket body; The second adjustable gasket body is in a long flat shape and is movably arranged above the right gasket body; Wherein, the thicknesses of the fixed gasket body, the left gasket body, the right gasket body, the first adjustable gasket body and the second adjustable gasket body are all equal.

2. The adjustable gasket for a slot extrusion coater according to claim 1, characterized in that: The fixed gasket body, the left gasket body and the right gasket body are integrally formed.

3. The adjustable gasket for a slot extrusion coater according to claim 2, characterized in that: The first adjustable gasket body is provided with a first scale along its length direction, and the second adjustable gasket body is provided with a second scale along its length direction.

4. The adjustable gasket for a slot extrusion coater according to claim 3, characterized in that: A first protrusion extending toward the right gasket body is provided at the top end of the left gasket body, and a second protrusion extending toward the left gasket body is provided at the top end of the right gasket body.

5. The adjustable gasket for a slot extrusion coater according to claim 3, characterized in that: A fourth through hole is provided at one end of the first adjustable gasket body away from the second adjustable gasket body, and a fifth through hole is provided at one end of the second adjustable gasket body away from the first adjustable gasket body, wherein the other end of the first adjustable gasket body is provided with a first extension block extending downward, and the other end of the second adjustable gasket body is provided with a second extension block extending downward.

6. The adjustable gasket for a slot extrusion coater according to claim 5, characterized in that: The top end of the left gasket body is provided with a first groove in the horizontal direction toward one side of the right gasket body, the first extension block is provided with a first clamping block accommodated in the first groove toward one side of the left gasket body, the top end of the right gasket body is provided with a second groove in the horizontal direction toward one side of the left gasket body, and the second extension block is provided with a second clamping block accommodated in the second groove toward one side of the right gasket body.

7. The adjustable gasket for a slot extrusion coater according to claim 6, characterized in that: The first slot and the second slot are in the shape of long rectangles, and the first clamping block and the second clamping block are in the shape of long rectangles, wherein the width of the first slot along the vertical direction is equal to the width of the first clamping block along the vertical direction, and the width of the second slot along the vertical direction is equal to the width of the second clamping block along the vertical direction.

8. The adjustable gasket for a slot extrusion coater according to claim 7, characterized in that: The first clamping block is arranged in parallel with and spaced from the first adjustable gasket body, and the second clamping block is arranged in parallel with and spaced from the second adjustable gasket body.