CN219017726U - Rubber coating mechanism - Google Patents

Abstract

The utility model discloses an encapsulation mechanism, and belongs to the technical field of encapsulation equipment. According to the rubber coating mechanism, the vertical seat is driven by the translation driving assembly to slide along the horizontal direction, so that the rubber coating roller can move to a designated position above a product, then the rubber coating roller is driven by the lifting driving assembly to descend along the vertical direction and lean against the end face of the product, the other end of the rubber coating paper is pressed to the vertical state from the horizontal state, then the vertical seat is driven by the translation driving assembly to slide along the horizontal direction again, so that the rubber coating roller moves along the horizontal direction, the other end of the rubber coating paper in the vertical state is adhered to the bottom face of the product, meanwhile, the elastic piece applies a biasing force for enabling the rubber coating roller to be tightly adhered to the bottom face of the product along the vertical direction, so that the rubber coating roller can tightly push the rubber coating paper, the rubber coating roller is prevented from excessively extruding the rubber coating paper and the product, damage to the rubber coating paper and the product is prevented, the degree of automation is high, and the rubber coating working efficiency is improved.

Description

Rubber coating mechanism

Technical Field

The utility model relates to the technical field of encapsulation equipment, in particular to an encapsulation mechanism.

Background

After the processing of the battery cell is finished, adhesive paper is required to be adhered to cover one end of the battery cell, so that the effects of insulation, fire resistance, strength increase and the like are achieved. Specifically, one end of the gummed paper is adhered to the top surface of the battery cell, and then the other end of the gummed paper is downwards folded along the end surface of one end of the battery cell and adhered to the bottom surface of the battery cell, so that the encapsulation operation is completed.

In the prior art, manual encapsulation is adopted, so that the working efficiency is low, and the defects such as bubbles and folds are easy to occur after the adhesive tape is pasted, so that the protection effect of the adhesive tape on the battery cell is affected.

Disclosure of Invention

The utility model aims to provide an encapsulation mechanism which improves encapsulation work efficiency and reduces adhesive failure rate of adhesive tape.

In order to achieve the above object, the following technical scheme is provided:

the encapsulation mechanism for wrap up the gummed paper in the one end of product, encapsulation mechanism includes:

a base;

the stand is arranged on the base in a sliding manner along the horizontal direction;

the rubber coating assembly comprises a rubber coating roller, the rubber coating roller is slidably arranged on the vertical seat along the vertical direction, and the rubber coating roller is arranged in parallel with the rubber paper;

the translation driving assembly is used for driving the vertical seat to slide along the base;

the lifting driving assembly is used for driving the rubber covered roller to slide along the vertical seat;

and the elastic piece is used for applying biasing force for enabling the rubber covered roller to be tightly attached to the bottom surface of the product along the vertical direction to the rubber covered roller.

As an alternative scheme of the encapsulation mechanism, the encapsulation assembly further comprises a mounting seat, the mounting seat is slidably arranged on the vertical seat along the vertical direction, the mounting seat is connected with the lifting driving assembly, and the encapsulation roller is rotatably arranged on the mounting seat.

As an alternative to the encapsulation mechanism, the mount comprises:

the first support seat is slidably arranged on the vertical seat along the vertical direction and is connected with the lifting driving assembly;

the second support is slidably arranged on the first support along the vertical direction, the elastic piece is positioned between the bottom of the second support and the first support, and the rubber covered roller is rotatably arranged on the second support.

As an alternative to the encapsulation mechanism, the second support comprises:

the sliding seat body is slidably arranged on the first support seat along the vertical direction, and the elastic piece is positioned between the bottom of the sliding seat body and the first support seat; the sliding seat body is provided with a plurality of mounting structures which are sequentially arranged along a preset direction; the preset direction is perpendicular to the horizontal direction and the vertical direction in pairs;

the rubber covered roller is rotatably arranged on the adapter seat body, and the adapter seat body can be locked or unlocked with any mounting structure through the locking piece.

As an alternative scheme of rubber coating mechanism, the elastic component is the spring, the bottom of sliding seat body is equipped with the guide bar, the one end of guide bar with sliding seat body fixed connection, the other end is followed vertical direction runs through support one, the spring cover is located the outside of guide bar.

As an alternative to the encapsulation mechanism, the translational drive assembly comprises:

the translation screw rod is rotatably arranged on the base;

the translation sliding block is slidably arranged on the base along the horizontal direction, sleeved on the outer side of the translation screw rod and in threaded connection with the translation screw rod; the vertical seat is fixedly connected with the translation sliding block;

the translation driving piece drives the translation screw rod to rotate; and/or the number of the groups of groups,

the lift drive assembly includes:

the lifting screw rod is rotatably arranged on the vertical seat;

the lifting sliding block is slidably arranged on the vertical seat along the vertical direction, and is sleeved on the outer side of the lifting screw rod and in threaded connection with the lifting screw rod; the rubber coating assembly is arranged on the lifting sliding block;

and the lifting driving piece drives the lifting screw rod to rotate.

As an alternative to the encapsulation mechanism, the lifting drive is a servo motor; and/or the number of the groups of groups,

the translation driving piece is a servo motor.

As an alternative to the encapsulation mechanism, the outside of the encapsulation roller is covered with a flexible backing layer.

As an alternative scheme of the rubber coating mechanism, the flexible cushion layer is formed on the outer side of the rubber coating roller by adopting an antistatic silica gel material through vulcanization.

As an alternative to the encapsulation mechanism, the thickness of the flexible cushion layer is 3mm;

the hardness of the flexible cushion layer is between 20 degrees Shore A and 30 degrees Shore A.

Compared with the prior art, the utility model has the beneficial effects that:

according to the rubber coating mechanism, the vertical seat is driven by the translation driving assembly to slide along the horizontal direction, so that the rubber coating roller can move to a designated position above a product, then the rubber coating roller is driven by the lifting driving assembly to descend along the vertical direction and lean against the end face of the product, the other end of the rubber coating paper is pressed to the vertical state from the horizontal state, then the vertical seat is driven by the translation driving assembly to slide along the horizontal direction again, so that the rubber coating roller moves along the horizontal direction, the other end of the rubber coating paper in the vertical state is adhered to the bottom face of the product, and meanwhile, the elastic piece applies a biasing force for enabling the rubber coating roller to cling to the bottom face of the product along the vertical direction, so that the rubber coating roller can prop against the rubber coating paper, the rubber coating roller is prevented from excessively extruding the rubber coating paper and the product, and damage to the rubber coating paper and the product is prevented; the degree of automation is high, has improved rubber coating work efficiency and glued paper and has pasted the defective rate.

Drawings

FIG. 1 is a schematic diagram of a encapsulation mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of an encapsulation mechanism;

FIG. 3 is a schematic diagram showing the positional relationship between the gummed paper and the product in the initial state of encapsulation in the embodiment of the utility model;

FIG. 4 is a schematic diagram showing the positional relationship between the gummed paper and the product in the intermediate state of encapsulation in the embodiment of the present utility model;

fig. 5 is a schematic diagram showing the positional relationship between the gummed paper and the product in the encapsulated state in the embodiment of the present utility model.

Reference numerals:

100. a product; 200. glue paper;

1. a base;

2. a vertical seat;

3. an encapsulation assembly; 31. a rubber covered roller; 311. a flexible cushion layer; 32. a mounting base; 321. a first support; 322. a second support; 3221. a sliding seat body; 32211. a mounting structure; 32212. a guide rod; 3222. an adapter body;

4. a translational drive assembly; 41. translating the screw rod; 42. a translation slider; 43. a translation driving member;

5. a lifting driving assembly; 51. lifting the screw rod; 52. a lifting slide block; 53. a lifting driving member;

6. an elastic member.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 1-2, the present embodiment provides an encapsulation mechanism for wrapping an adhesive tape 200 on one end of a product 100, the encapsulation mechanism includes a base 1, a stand 2, an encapsulation assembly 3, a translation driving assembly 4, a lifting driving assembly 5 and an elastic member 6, wherein the stand 2 is slidably disposed on the base 1 along a horizontal direction (i.e., a Y direction in fig. 1); the rubber coating assembly 3 comprises a rubber coating roller 31, wherein the rubber coating roller 31 is slidably arranged on the vertical seat 2 along the vertical direction (namely the Z direction in fig. 1), and the rubber coating roller 31 is arranged in parallel with the rubber coating paper 200; the translation driving component 4 is used for driving the vertical seat 2 to slide along the base 1; the lifting driving assembly 5 is used for driving the rubber covered roller 31 to slide along the vertical seat 2; the elastic member 6 is used to apply a biasing force to the rubber covered roller 31 to make the rubber covered roller 31 vertically abut against the bottom surface of the product 100.

In an initial state of the product 100, the adhesive tape 200 is adhered to the top surface of the product 100 by the suction head (as shown in fig. 3), specifically, one end of the adhesive tape 200 is adhered to the top surface of the product 100, the adhesive tape 200 is in a horizontal state as a whole, the translation driving assembly 4 drives the vertical seat 2 to slide along the horizontal direction, so that the adhesive tape 31 can move to a designated position above the product 100, then the lifting driving assembly 5 drives the adhesive tape 31 to descend along the vertical direction and lean against the end surface of the product 100, the other end of the adhesive tape 200 is pressed to the vertical state from the horizontal state (as shown in fig. 4), then the translation driving assembly 4 drives the vertical seat 2 to slide along the horizontal direction again, so that the adhesive tape 31 moves along the horizontal direction, and the other end of the adhesive tape 200 in the vertical state is adhered to the bottom surface of the product 100 (as shown in fig. 5), and meanwhile, the elastic piece 6 applies a biasing force for enabling the adhesive tape 31 to cling to the bottom surface of the product 100 along the vertical direction, so as to ensure that the adhesive tape 31 can tightly push the adhesive tape 200 and prevent the adhesive tape 200 and the product 100 from being damaged by the adhesive tape 31; the encapsulation mechanism of this embodiment, degree of automation is high, has improved encapsulation work efficiency and gummed paper and has pasted the defective rate. Meanwhile, the rubber coating mechanism has the advantages of simple structure and easy adjustment.

It should be noted that, the translational displacement of the rubber covered roller 31 is controlled by the working time of the translational driving assembly 4, and the lifting displacement of the rubber covered roller 31 is controlled by the working time of the lifting driving assembly 5. The lifting displacement and the translation displacement of the rubber covered roller 31 are predetermined known parameters, and can be predetermined through multiple actual production or testing, so that the rubber covered roller 31 covers the rubber covered paper 200 on one end of the product 100 to complete the rubber covered operation, which is not limited herein.

Optionally, the encapsulation assembly 3 further includes a mounting base 32, the mounting base 32 is slidably disposed on the stand 2 along a vertical direction, and the mounting base 32 is connected with the lifting driving assembly 5, so that the mounting base 31 is driven by the lifting driving assembly 5 to lift along the stand 2, and the encapsulation roller 31 is rotatably disposed on the mounting base 32. Illustratively, the rubber covered roller 31 is provided to the mounting block 32 by a rotational support such as a bearing. Thus, when the encapsulation operation is performed, the encapsulation roller 31 can freely rotate, so that sliding friction is converted into rolling friction, damage to the gummed paper 200 can be avoided, and defects such as bubbles and wrinkles of the gummed paper 200 can be further reduced.

Optionally, the mounting base 32 includes a first support 321 and a second support 322, the first support 321 is slidably disposed on the stand 2 along a vertical direction, and the first support 321 is connected with the lifting driving assembly 5; the second support 322 is slidably disposed on the first support 321 along a vertical direction, the elastic member 6 is disposed between the bottom of the second support 322 and the first support 321, and the rubber roller 31 is rotatably disposed on the second support 322. It should be noted that when the rubber covered roller 31 rolls along the bottom surface of the product 100 and the other end of the rubber covered paper 200 is adhered to the bottom surface of the product 100, the rubber covered roller 31 abuts against the rubber covered paper 200, in other words, a certain extrusion force exists between the rubber covered roller 31 and the product 100, the elastic member 6 is arranged between the bottom of the second support 322 and the first support 321, so that the extrusion force between the rubber covered roller 31 and the product 100 can be buffered, and the rigid contact between the rubber covered roller 31 and the product 100 is converted into the elastic contact, which is beneficial to protecting the rubber covered paper 200 and the product 100.

Optionally, the second support 322 includes a sliding base 3221 and an adapter base 3222, the sliding base 3221 is slidably disposed on the first support 321 along a vertical direction, and the elastic member 6 is located between the bottom of the sliding base 3221 and the first support 321; the sliding base 3221 is provided with a plurality of mounting structures 32211 sequentially arranged along a preset direction (i.e., an X direction in fig. 1); the preset direction is perpendicular to the horizontal direction and the vertical direction in pairs; the rubber covered roller 31 is rotatably disposed on the adapter body 3222, and the adapter body 3222 can be locked or unlocked with any mounting structure 32211 through a locking member. Through locking the adapter body 3222 with different mounting structures 32211, the position of the rubber covered roller 31 can be changed to adapt to different models of products 100, and the application range of the rubber covered mechanism is enlarged. Illustratively, the locking member is a bolt, the mounting structure 32211 is a threaded hole, and the adapter body 3222 may be locked to the sliding seat body 3221 by screwing the bolt with the corresponding threaded hole.

In this embodiment, the elastic member 6 is a spring, the bottom of the sliding base 3221 is provided with a guide rod 32212, the spring is sleeved on the outer side of the guide rod 32212, one end of the guide rod 32212 is fixedly connected with the sliding base 3221, and the other end of the guide rod 32212 penetrates the first support 321 along the vertical direction, in other words, the guide rod 32212 can slide along with the sliding base 3221 along the vertical direction relative to the first support 321, so that compression of the spring is not affected. When the extrusion force between the product 100 and the rubber covered roller 31 is too large, the rubber covered roller 31 pushes the sliding base 3221 to move downwards relative to the first support 321 along the vertical direction, so that the spring is compressed, and a buffering effect is achieved.

In this embodiment, two guide rods 32212 and two springs are respectively arranged, and the two springs are sleeved on the outer sides of the two guide rods 32212 in a one-to-one correspondence manner, so that the buffering effect can be further improved.

Optionally, the translation driving assembly 4 includes a translation screw 41, a translation slider 42, and a translation driving member 43, where the translation screw 41 is rotatably disposed on the base 1; the translation sliding block 42 is slidably arranged on the base 1 along the horizontal direction, and the translation sliding block 42 is sleeved on the outer side of the translation screw 41 and is in threaded connection with the translation screw 41; the vertical seat 2 is fixedly connected with the translation sliding block 42; the translation driving member 43 drives the translation screw 41 to rotate. The adoption of the transmission mode of the cooperation of the translation screw rod 41 and the translation sliding block 42 has the advantage of high transmission precision, is beneficial to improving the control precision of the translation displacement of the rubber covered roller 31, and further improves the flatness of the adhesive tape 200.

Further, the lifting driving assembly 5 comprises a lifting screw rod 51, a lifting sliding block 52 and a lifting driving piece 53, wherein the lifting screw rod 51 is rotatably arranged on the vertical seat 2; the lifting slide block 52 is slidably arranged on the vertical seat 2 along the vertical direction, and the lifting slide block 52 is sleeved on the outer side of the lifting screw rod 51 and is in threaded connection with the lifting screw rod 51; the encapsulation assembly 3 is mounted on the lifting slide block 52; the elevation driving member 53 drives the elevation screw 51 to rotate. The lifting screw rod 51 and the lifting sliding block 52 are adopted to be matched with each other, so that the lifting device has the advantage of high transmission precision, is beneficial to improving the control precision of lifting displacement of the rubber covered roller 31, and further improves the flatness of the adhesive tape 200.

Alternatively, the lifting drive 53 is a servo motor; the translation driving member 43 is a servo motor. The servo motor has high control precision, is favorable for further improving the control precision of the lifting displacement and the translation displacement of the rubber covered roller 31, and improves the pasting quality of the rubber covered paper 200.

Optionally, the rubber covered roller 31 is made of a metal material, such as stainless steel 304, which has high strength, is not easy to deform the outer surface, and does not produce impurities such as rust, thereby being beneficial to improving the flatness of the adhesive tape 200.

Optionally, the outside of the rubber covered roller 31 is covered with a flexible cushion 311. The flexible cushion layer 311 can also play a certain role in buffering the extrusion force between the product 100 and the rubber covered roller 31, which is beneficial to protecting the gummed paper 200 and the product 100.

Alternatively, the thickness of the flexible cushion 311 is 3mm. Optionally, the hardness of the flexible cushion layer 311 is between 20 degrees shore a and 30 degrees shore a. For example, the hardness of the flexible cushion layer 311 may be any value between shore a20 and shore a30, such as shore a20, shore a21, shore a22, shore a23, shore a24, shore a25, shore a26, shore a27, shore a28, shore a29, shore a30, etc. In this way, the cushioning effect of the flexible cushion layer 311 can be further improved.

Optionally, the flexible cushion layer 311 is formed on the outer side of the rubber covered roller 31 by adopting an antistatic silica gel material through vulcanization, so that the connection stability of the flexible cushion layer 311 and the rubber covered roller 31 can be improved, gaps between the flexible cushion layer 311 and the rubber covered roller 31 are avoided, and the adhesive quality of the rubber paper 200 is improved. Meanwhile, the flexible cushion layer 311 has an antistatic effect, prevents static adsorption between the flexible cushion layer 311 and the gummed paper 200, and is beneficial to improving the pasting quality of the gummed paper 200.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. The encapsulation mechanism for wrap the gummed paper (200) on one end of the product (100), the encapsulation mechanism comprising:

a base (1);

the vertical seat (2) is arranged on the base (1) in a sliding manner along the horizontal direction;

the rubber coating assembly (3), the rubber coating assembly (3) comprises a rubber coating roller (31), the rubber coating roller (31) is slidably arranged on the vertical seat (2) along the vertical direction, and the rubber coating roller (31) and the rubber paper (200) are arranged in parallel;

the translation driving assembly (4) is used for driving the vertical seat (2) to slide along the base (1);

the lifting driving assembly (5) is used for driving the rubber covered roller (31) to slide along the vertical seat (2);

and the elastic piece (6) is used for applying a biasing force for enabling the rubber covered roller (31) to be tightly attached to the bottom surface of the product (100) along the vertical direction to the rubber covered roller (31).

2. The encapsulation mechanism according to claim 1, wherein the encapsulation assembly (3) further comprises a mounting base (32), the mounting base (32) is slidably arranged on the standing base (2) along the vertical direction, the mounting base (32) is connected with the lifting driving assembly (5), and the encapsulation roller (31) is rotatably arranged on the mounting base (32).

3. Encapsulation mechanism according to claim 2, characterized in that the mounting block (32) comprises:

the first support (321) is slidably arranged on the vertical seat (2) along the vertical direction, and the first support (321) is connected with the lifting driving assembly (5);

the second support (322), the second support (322) is located along vertical direction slidable support (321), elastic component (6) are located the bottom of second support (322) with between support (321), rubber covered roller (31) rotationally locate support (322).

4. A mechanism as claimed in claim 3, wherein said second support (322) comprises:

the sliding seat body (3221) is slidably arranged on the first support (321) along the vertical direction, and the elastic piece (6) is positioned between the bottom of the sliding seat body (3221) and the first support (321); the sliding seat body (3221) is provided with a plurality of mounting structures (32211) which are sequentially arranged along a preset direction; the preset direction is perpendicular to the horizontal direction and the vertical direction in pairs;

the rubber covered roller (31) is rotatably arranged on the adapter base (3222), and the adapter base (3222) can be locked or unlocked with any mounting structure (32211) through a locking piece.

5. The encapsulation mechanism according to claim 4, wherein the elastic member (6) is a spring, a guide rod (32212) is disposed at the bottom of the sliding base body (3221), one end of the guide rod (32212) is fixedly connected with the sliding base body (3221), the other end of the guide rod penetrates through the first support (321) along the vertical direction, and the spring is sleeved on the outer side of the guide rod (32212).

6. Encapsulation mechanism according to claim 1, characterized in that the translational drive assembly (4) comprises:

the translation screw rod (41) is rotatably arranged on the base (1);

the translation sliding block (42) is slidably arranged on the base (1) along the horizontal direction, and the translation sliding block (42) is sleeved on the outer side of the translation screw rod (41) and is in threaded connection with the translation screw rod (41); the vertical seat (2) is fixedly connected with the translation sliding block (42);

a translation driving member (43), wherein the translation driving member (43) drives the translation screw rod (41) to rotate; and/or the number of the groups of groups,

the lift drive assembly (5) comprises:

the lifting screw rod (51) is rotatably arranged on the vertical seat (2);

the lifting slide block (52) is slidably arranged on the vertical seat (2) along the vertical direction, and the lifting slide block (52) is sleeved on the outer side of the lifting screw rod (51) and is in threaded connection with the lifting screw rod (51); the rubber coating assembly (3) is mounted on the lifting sliding block (52);

and the lifting driving piece (53) drives the lifting screw rod (51) to rotate.

7. Encapsulation mechanism according to claim 6, characterized in that the lifting drive (53) is a servo motor; and/or the number of the groups of groups,

the translation driving piece (43) is a servo motor.

8. Encapsulation mechanism according to claim 1, characterized in that the outer side of the encapsulation roller (31) is covered with a flexible cushion layer (311).

9. The encapsulation mechanism of claim 8, wherein the flexible cushion layer (311) is vulcanization molded outside the encapsulation roller (31) using an antistatic silicone material.

10. Encapsulation mechanism according to claim 9, characterized in that the thickness of the flexible cushion layer (311) is 3mm;

the hardness of the flexible cushion layer (311) is between 20 degrees Shore A and 30 degrees Shore A.

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