CN216213653U

CN216213653U - Calibration tool

Info

Publication number: CN216213653U
Application number: CN202122641484.6U
Authority: CN
Inventors: 刘瑞; 贺强; 姜林华; 张兵; 李佳佳
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-05
Anticipated expiration: 2031-10-29

Abstract

The utility model provides a calibration tool which comprises a base, a clamping jaw calibration part and a pressing cutter calibration part. The base is provided with a datum plane attached to a lamination table of the lamination machine; the clamping jaw calibration part is arranged on the base and is provided with a clamping jaw horizontal calibration surface arranged in parallel with the reference surface and a clamping jaw parallel calibration surface arranged perpendicular to the clamping jaw horizontal calibration surface, and the clamping jaw horizontal calibration surface and the clamping jaw parallel calibration surface are respectively used for calibrating the initial positions of the clamping jaw assembly in the horizontal direction and the parallel direction; the pressing knife calibration part is arranged on the base and is provided with a pressing knife horizontal calibration surface arranged in parallel with the reference surface and a pressing knife parallel calibration surface arranged perpendicular to the pressing knife horizontal calibration surface, and the pressing knife horizontal calibration surface and the pressing knife parallel calibration surface are respectively used for calibrating the initial positions of the pressing knife assembly in the horizontal direction and the parallel direction. The calibration tool provided by the utility model can realize convenient calibration of the clamping jaw assembly and the pressing cutter assembly, is simple to operate and has higher calibration precision.

Description

Calibration tool

Technical Field

The utility model relates to the technical field of lithium battery manufacturing, in particular to a calibration tool.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel but adopts a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. New energy automobile includes: hybrid Electric Vehicles (HEV), pure electric vehicles (BEV), fuel cell vehicles (FCEV), hydrogen engine vehicles, gas vehicles, alcohol ether vehicles, and the like.

One of the key technologies for the development of electric vehicles depends on the development of lithium ion battery technology, that is, the development of lithium ion battery manufacturing equipment plays a key role in the development of electric vehicles. The square lamination technology is one of the important technologies in the current lithium ion battery manufacturing, and the speed of the lamination directly determines the whole line productivity and the manufacturing cost of the lithium ion battery.

When the existing lamination equipment carries out lamination, a negative plate is clamped to a lamination platform through a feeding and stacking clamping jaw, then the negative plate and the positive plate are respectively fixed above and below a diaphragm at a position of the lamination platform, so that a lamination formed by the positive plate, the diaphragm and the negative plate is manufactured, the lamination is clamped through the feeding and stacking clamping jaw, the lamination is transferred to the lamination platform, and finally the positive plate, the diaphragm and the negative plate are fastened through a pressing knife, so that a lamination process is completed.

The key of the square lamination process is the stability of the positions of the feeding and stacking clamping jaws and the pressing knife. If send and fold clamping jaw and pressing the sword and take place the skew at the lamination in-process, can directly lead to taking place the alignment degree between positive plate, diaphragm and the negative plate bad to and diaphragm fold scheduling problem and influence battery utmost point group finished product quality, and then lead to the outflow of battery utmost point group defective products and the improvement of defective rate.

However, in the existing lamination process, when the positions of the stack feeding clamping jaw and the press knife are deviated, the positions of the stack feeding clamping jaw and the press knife are generally calibrated in a manual measurement and calibration mode, so that the operation is inconvenient, the calibration precision cannot be guaranteed, and the operation efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a calibration tool, which can conveniently calibrate initial positions of a clamping jaw assembly and a pressing knife assembly.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a calibration frock to the initial position of calibration lamination machine's clamping jaw subassembly and pressure sword subassembly, the calibration frock includes:

a base having a reference surface to be attached to a lamination stage of the lamination machine;

the clamping jaw calibration part is arranged on the base and is provided with a clamping jaw horizontal calibration surface arranged in parallel with the reference surface and a clamping jaw parallel calibration surface arranged perpendicular to the clamping jaw horizontal calibration surface, and the clamping jaw horizontal calibration surface and the clamping jaw parallel calibration surface are respectively used for calibrating the initial positions of the clamping jaw assembly in the horizontal direction and the parallel direction;

the pressing knife calibration part is arranged on the base and provided with a pressing knife horizontal calibration surface arranged in parallel with the reference surface and a pressing knife parallel calibration surface arranged perpendicular to the pressing knife horizontal calibration surface, and the pressing knife horizontal calibration surface and the pressing knife parallel calibration surface are respectively used for calibrating the initial position of the pressing knife assembly in the horizontal direction and the parallel direction.

Further, clamping jaw calibration portion is including locating follow on the base first clamping jaw calibration piece and the second clamping jaw calibration piece of base length direction interval arrangement, all be formed with on the first clamping jaw calibration piece with on the second clamping jaw calibration piece clamping jaw horizontal calibration face, and be located clamping jaw horizontal calibration face one side the parallel calibration face of clamping jaw.

Further, the distance between the first clamping jaw calibration block and the second clamping jaw calibration block is adjustable.

Furthermore, be equipped with on the first clamping jaw calibration piece and slide protrudingly, and in be equipped with on the base and follow the spout that base length direction arranged, first clamping jaw calibration piece lockable slide in the spout.

Furthermore, the first clamping jaw calibration block is provided with a long strip hole arranged along the length direction of the base, the base is provided with a screwed hole, and the first clamping jaw calibration block is fixedly connected with the base through a screwed piece penetrating through the long strip hole and screwed in the screwed hole.

Further, be equipped with the fixed block that has the screw hole on the base, the fixed block with between the first clamping jaw calibration piece through the spiro union in adjusting screw in the screw hole links to each other, just adjusting screw's one end is rotated and is located on the first clamping jaw calibration piece, and in be equipped with on adjusting screw's the other end and be used for controlling adjusting screw's operating part.

Further, the pressing knife calibration part comprises a pressing knife calibration block arranged on the base, and the pressing knife calibration block is provided with a pressing knife horizontal calibration surface and a pressing knife parallel calibration surface positioned on one side of the pressing knife horizontal calibration surface; the pressing knife calibration block is positioned on one side of the clamping jaw calibration part, and/or the pressing knife calibration block is positioned between the first clamping jaw calibration block and the second clamping jaw calibration block.

Further, a concave clamping jaw calibration avoiding groove is formed on the first clamping jaw calibration block corresponding to one side, close to the parallel calibration surface of the clamping jaw, of the horizontal calibration surface of the clamping jaw; and/or, corresponding to the pressing knife horizontal calibration surface close to one side of the pressing knife parallel calibration surface, and a pressing knife calibration avoiding groove which is concavely arranged is formed on the pressing knife calibration block.

Further, the base is connected with the lamination table through a connecting piece penetrating through the base; and/or a lightening hole is formed in the base.

Further, end positioning pieces are arranged at two opposite ends of the base, and end abutting surfaces which are in abutting contact with the lamination table are arranged on the two end positioning pieces; and/or a side positioning piece is arranged on at least one side of the base, and the side positioning piece is provided with a side abutting surface which is in abutting contact with the lamination table.

Compared with the prior art, the utility model has the following advantages:

according to the calibration tool, the initial position of the clamping jaw assembly in the horizontal direction and the parallel direction can be calibrated by arranging the clamping jaw calibration part, the initial position of the pressing knife assembly in the horizontal direction and the parallel direction can be calibrated by arranging the pressing knife calibration part, and meanwhile, the clamping jaw calibration part and the pressing knife calibration part are arranged, so that the calibration tool is simple and convenient when the clamping jaw assembly and the pressing knife assembly are calibrated, the calibration precision is high, and the operation efficiency is effectively improved.

In addition, the fine setting operation of interval between first clamping jaw calibration piece and the fixed block can be realized to the setting of adjusting screw, and then the adjustment accuracy of first clamping jaw calibration piece can be improved. Through setting up tip setting element and lateral part setting element, can play the positioning action when installing the lamination bench with calibration fixture, realize the convenient installation and the location installation of calibration fixture.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic view of an overall structure of a calibration fixture according to an embodiment of the present invention;

fig. 2 is a top view of a calibration fixture according to an embodiment of the present invention;

FIG. 3 is a front view of a calibration fixture according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a clamping jaw assembly and a pressing blade assembly according to an embodiment of the utility model;

description of reference numerals:

1. a base; 101. a first end positioning member; 102. a second end positioning member; 103. a side positioning member; 104. lightening holes; 105. a chute;

2. a clamping jaw; 3. pressing a cutter; 4. a lamination table; 5. a screw member; 6. a fixed block;

7. a first jaw alignment block; 701. a first jaw horizontal alignment surface; 702. the first clamping jaw is parallel to the calibration surface; 703. a sliding projection; 704. a strip hole;

8. a second jaw alignment block; 801. a second jaw horizontal alignment surface; 802. the second clamping jaw is parallel to the calibration surface; 803. a stepped bore;

9. a pressing cutter calibration block; 901. a pressing knife horizontal calibration surface; 902. the pressing cutter is parallel to the calibration surface;

10. adjusting screws; 11. an operating member; 12. the clamping jaw is calibrated to avoid the groove; 13. the groove is dodged in the pressure sword calibration.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", "front", "rear", "left", "right", etc. appear, they are based on the orientation or positional relationship shown in the drawings and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in conjunction with specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The utility model relates to a calibration tool, which is used for calibrating the initial positions of a clamping jaw assembly and a pressing knife assembly of a laminating machine, and as shown in fig. 1 to 4, the calibration tool comprises a base 1, and a clamping jaw calibration part and a pressing knife calibration part which are arranged on the base 1. The clamping jaw calibration part can calibrate the initial position of the clamping jaw assembly in the horizontal direction and the parallel direction, and the press blade calibration part can calibrate the initial position of the press blade assembly in the horizontal direction and the parallel direction.

Based on the above general description, in the present embodiment, as a preferred embodiment, as shown in fig. 1, the calibration fixture of the present embodiment includes a base 1, and a clamping jaw calibration portion and a pressing blade calibration portion which are provided on the base 1. Wherein the base 1 has a reference surface to be attached to a lamination table 4 of a lamination machine. Clamping jaw calibration part the clamping jaw calibration part has the horizontal calibration face of clamping jaw that arranges with the reference surface parallel, and the parallel calibration face of clamping jaw that sets up perpendicularly with the horizontal calibration face of clamping jaw, and clamping jaw horizontal calibration face and the parallel calibration face of clamping jaw are used for calibrating the initial position of clamping jaw assembly in horizontal direction and parallel direction respectively.

The pressing blade calibration part is provided with a pressing blade horizontal calibration surface 901 arranged in parallel with the reference surface, and a pressing blade parallel calibration surface 902 arranged perpendicular to the pressing blade horizontal calibration surface 901, wherein the pressing blade horizontal calibration surface 901 and the pressing blade parallel calibration surface 902 are respectively used for calibrating the initial positions of the pressing blade assembly in the horizontal direction and the parallel direction.

It should be noted that the jaw assembly described in this embodiment includes, as shown in fig. 4, a first jaw set and a second jaw set respectively disposed on the upper and lower sides of the base 1, and the distance between the two jaws 2 of the first jaw set and the second jaw set can be adjusted according to actual requirements.

Meanwhile, the pressing blade assembly in this embodiment is also shown in fig. 4, and includes a first pressing blade set and a second pressing blade set separately disposed on the upper and lower sides of the base 1, where the first pressing blade set and the second pressing blade set both include two pressing blades 3, and each pressing blade 3 can be operated independently. The initial position of the embodiment refers to the levelness and parallelism which the clamping jaw assembly and the pressing knife assembly need to maintain during operation so as to ensure the quality of subsequent lamination operation.

Referring to fig. 3, the reference surface in the present embodiment refers to a contact surface of the base 1 that is in contact with the top surface of the lamination stage 4. The structures of the lamination machine, the lamination table 4, the clamping jaw assembly and the pressing knife assembly which are not described in the embodiment can refer to common structural parts in the prior art, and are not described again.

The specific structure of the base 1 of the present embodiment is, as shown in fig. 1 and 3, a rectangular parallelepiped shape as a whole, and in the specific implementation, since the base 1 is attached to the lamination table 4 of the lamination machine, the outline of the base 1 can be designed and adjusted according to the actual outline of the lamination table 4, and if the outline of the portion where the lamination table 4 and the base 1 are engaged is a cylinder or a cube, the outline of the base 1 follows the outline of the engaged portion.

Preferably, the base 1 is connected to the lamination table 4 by a connecting member inserted through the base 1, and in order to facilitate positioning of the calibration jig on the lamination table 4, end positioning members are provided at opposite ends of the base 1, and each of the end positioning members has an end abutting surface abutting against the lamination table 4. Also, it is preferable that a side positioning member 103 is provided on at least one side of the base 1, and the side positioning member 103 has a side abutment surface which is brought into abutment contact with the lamination table 4.

In practice, the connecting member is preferably inserted through the end positioning member, the connecting member fixes the base 1 to the lamination table 4 by fixing the end positioning member to the lamination table 4, and the connecting member is preferably made of conventional bolt or screw products. The end-positioning piece and the side-positioning piece 103 may be integrally formed with the base 1, or may be fixedly connected to the base 1 by bolts, welding, or other methods.

Of course, the above-mentioned side positioning elements 103 are preferably arranged on one side of the base 1, and the number of the side positioning elements 103 can be adjusted and designed according to the actual positioning requirement, for example, one side positioning element 103 is arranged on each of the two sides of the base 1.

In the present embodiment, for convenience of description and introduction of the end positioning elements, as shown in fig. 1, the two end positioning elements located at the left side of the base 1 are the first end positioning elements 101, the first end positioning elements 101 are plate-shaped, the two end positioning elements located at the right end of the base 1 are the second end positioning elements 102, the second end positioning elements 102 are generally L-shaped in overall structure, and the side positioning elements 103 are also plate-shaped in overall structure.

In a specific embodiment, the side surfaces of the two first end positioners 101 and the two second end positioners 102 facing the base 1 are the end abutment surfaces, and the side surfaces of the side positioners 103 facing the base 1 are side abutment surfaces. When the base 1 is mounted on the lamination table 4, the alignment tool can be positioned on the lamination table 4 only by attaching the end abutting surface and the side abutting surface to the lamination table 4.

In the present embodiment, the first end positioning piece 101 and the side positioning piece 103 are provided in a plate shape, and the overall structure of the second end positioning piece 102 is designed to be substantially L-shaped, so that the mounting arrangement of the base 1 is facilitated, and the adjustment and design can be performed according to the actual mounting requirement of the base 1 and the shape and structure of the lamination stage 4 when the structure is specifically designed.

As shown in fig. 1, in the present embodiment, a lightening hole 104 is preferably formed on the base 1 to lighten the weight of the base 1, so as to facilitate the installation and the removal of the calibration fixture, and make the calibration fixture lighter. In specific implementation, the base 1 is provided with two waist-shaped lightening holes 104 which are arranged at intervals.

Preferably, the jaw calibration portion in this embodiment includes a first jaw calibration block 7 and a second jaw calibration block 8 which are arranged on the base 1 at intervals along the length direction of the base 1, and a jaw horizontal calibration surface and a jaw parallel calibration surface located on one side of the jaw horizontal calibration surface are formed on both the first jaw calibration block 7 and the second jaw calibration block 8. Wherein, referring again to fig. 1, the second jaw alignment block 8 is located at the right end of the base 1, and the first jaw alignment block 7 is located at the left side of the second jaw alignment block 8.

As shown in fig. 3, the first jaw alignment block 7 and the second jaw alignment block 8 are each L-shaped in cross section. For convenience of description and related discussion, the upper surface of the right side of the first jaw alignment block 7 is referred to as the jaw horizontal alignment surface, and is referred to as the first jaw horizontal alignment surface 701, and similarly, the side surface of the left side of the first jaw horizontal alignment surface 701 is referred to as the jaw parallel alignment surface, and is referred to as the first jaw parallel alignment surface 702.

The upper surface of the left side of the second jaw alignment block 8 is the above jaw horizontal alignment plane and is referred to as a second jaw horizontal alignment plane 801, and the side surface of the right side of the second jaw horizontal alignment plane 801 is the above jaw parallel alignment plane and is referred to as a second jaw parallel alignment plane 802. That is, in order to improve the use effect of the jaw alignment portion, the L-shaped structures on the first jaw alignment block 7 and the second jaw alignment block 8 are oppositely arranged.

In the present embodiment, it is preferable that the first jaw alignment block 7 and the second jaw alignment block 8 have an adjustable distance therebetween so as to be capable of matching the first jaw set and the second jaw set having different distances therebetween, and performing alignment work on the first jaw set and the second jaw set.

In the specific structure, as shown in fig. 1 and fig. 2, a sliding protrusion 703 is provided on the first jaw calibration block 7, and a sliding groove 105 arranged along the length direction of the base 1 is provided on the base 1, and the first jaw calibration block 7 is lockably slid in the sliding groove 105. And as a further setting, the first clamping jaw calibration block 7 is provided with a long strip hole 704 arranged along the length direction of the base 1, the base 1 is provided with a screw hole, and the first clamping jaw calibration block 7 is fixedly connected with the base 1 through a screw connector 5 penetrating through the long strip hole 704 and screwed in the screw hole.

In practice, the screw member 5 is preferably made of a conventional bolt product, such as a hexagon bolt. Corresponding to the long hole 704, a waist-shaped hole is formed in the first jaw calibration block 7, the head of the bolt is hidden in the waist-shaped hole, and the width of the waist-shaped hole can be matched with the head of the bolt,

that is, in use, the shank of the bolt is threaded through the kidney-shaped hole and the elongated hole 704 to engage the threaded hole in the base 1. Meanwhile, two threaded step holes 803 are formed in the second clamping jaw horizontal calibration surface 801 of the second clamping jaw calibration block 8, and correspondingly, a screw hole is formed in the base 1, so that the second clamping jaw calibration block 8 can be fixed on the base 1 through a bolt.

Referring to fig. 1 to 3, preferably, the base 1 is provided with a fixing block 6 having a threaded hole, the fixing block 6 and the first jaw calibration block 7 are connected by an adjusting screw 10 screwed into the threaded hole, one end of the adjusting screw 10 is rotatably provided on the first jaw calibration block 7, and an operating part 11 for operating the adjusting screw 10 is provided at the other end of the adjusting screw 10.

As shown in fig. 1, in the present embodiment, the fixing block 6 is designed to have a shape in which a groove is formed at a middle position thereof, the threaded hole is located at a middle position of the groove, and the groove can form an escape function to the operating member 11. In practical application, the fixing block 6 is fixed on the base 1 through bolts.

When the distance between the first clamping jaw calibration block 7 and the second clamping jaw calibration block 8 needs to be adjusted, the locking of the connecting piece on the first clamping jaw calibration block 7 is firstly released, then the position of the first clamping jaw calibration block 7 can be adjusted by rotating the adjusting screw 10, the fine adjustment operation of the distance between the first clamping jaw calibration block 7 and the fixing block 6 can be realized, and the adjusting precision of the first clamping jaw calibration block 7 can be improved.

Preferably, the blade pressing calibration portion of the present embodiment includes a blade pressing calibration block 9 disposed on the base 1, a blade pressing horizontal calibration surface 901 formed on the blade pressing calibration block 9, and a blade pressing parallel calibration surface 902 located on one side of the blade pressing horizontal calibration surface 901. And as a further arrangement, the press blade calibration block 9 is located on one side of the jaw calibration section.

In specific implementation, the blade calibration block 9 may be disposed between the first jaw calibration block 7 and the second jaw calibration block 8, or both the blade calibration block 9 and the first jaw calibration block 7 and the second jaw calibration block 8 may be disposed on the left side of the jaw calibration portion as shown in fig. 1. Since each press knife can be operated independently, in practical application, only one press knife calibration block 9 is provided.

Referring to fig. 3, in this embodiment, the structure of the blade pressing calibration block 9 is similar to that of the first jaw calibration block 7, the cross section of the blade pressing calibration block is L-shaped, the upper surface on the right side of the blade pressing calibration block 9 is a blade pressing horizontal calibration surface 901, and the side surface on the right side of the blade pressing horizontal calibration surface 901 is a blade pressing parallel calibration surface 902.

Also, in the present embodiment, a concave jaw alignment avoiding groove 12 is formed on the first jaw alignment block 7 corresponding to a side of the jaw horizontal alignment surface close to the jaw parallel alignment surface. Meanwhile, a concave pressing tool calibration avoiding groove 13 is formed on the pressing tool calibration block 9 corresponding to one side of the pressing tool horizontal calibration surface 901 close to the pressing tool parallel calibration surface 902. The bottom and the side part of the pressing knife and the clamping jaw which are better attached to each calibration surface can be enabled by arranging the clamping jaw calibration avoiding groove 12 and the pressing knife calibration avoiding groove 13, so that the precision of the calibration of the clamping jaw assembly and the pressing knife assembly is ensured.

This embodiment calibration frock, through setting up clamping jaw calibration portion, can realize the calibration to the initial position of clamping jaw subassembly in horizontal direction and parallel direction to through setting up pressure sword calibration portion, can realize the calibration of the initial position of pressure sword subassembly in horizontal direction and parallel direction, simultaneously, the setting of clamping jaw calibration portion and pressure sword calibration portion makes when carrying out the calibration operation to clamping jaw subassembly and pressure sword subassembly, and is simple convenient, and the calibration precision is high, has effectively improved the operating efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a calibration frock to the initial position of calibration lamination machine's clamping jaw subassembly and pressure sword subassembly, its characterized in that, calibration frock includes:

a base (1) having a reference surface to be bonded to a lamination table (4) of the lamination machine;

the clamping jaw calibration part is arranged on the base (1) and is provided with a clamping jaw horizontal calibration surface arranged in parallel with the reference surface and a clamping jaw parallel calibration surface arranged perpendicular to the clamping jaw horizontal calibration surface, and the clamping jaw horizontal calibration surface and the clamping jaw parallel calibration surface are respectively used for calibrating the initial positions of the clamping jaw assembly in the horizontal direction and the parallel direction;

the pressing knife calibration part is arranged on the base (1), the pressing knife calibration part is provided with a pressing knife horizontal calibration surface (901) which is arranged in parallel with the reference surface, and a pressing knife parallel calibration surface (902) which is perpendicular to the pressing knife horizontal calibration surface (901), and the pressing knife horizontal calibration surface (901) and the pressing knife parallel calibration surface (902) are respectively used for calibrating the initial positions of the pressing knife assembly in the horizontal direction and the parallel direction.

2. The calibration tool of claim 1, wherein: clamping jaw calibration portion is including locating follow on base (1) first clamping jaw calibration piece (7) and second clamping jaw calibration piece (8) that base (1) length direction interval was arranged, on first clamping jaw calibration piece (7) with all be formed with on second clamping jaw calibration piece (8) clamping jaw horizontal calibration face, and be located clamping jaw horizontal calibration face one side the parallel calibration face of clamping jaw.

3. The calibration tool of claim 2, wherein: the distance between the first clamping jaw calibration block (7) and the second clamping jaw calibration block (8) is adjustable.

4. The calibration tool of claim 3, wherein: be equipped with on first clamping jaw alignment piece (7) and slide protruding (703), and in be equipped with on base (1) and follow spout (105) that base (1) length direction arranged, first clamping jaw alignment piece (7) can slide with locking in spout (105).

5. The calibration tool of claim 4, wherein: be equipped with on first clamping jaw calibration block (7) along rectangular hole (704) that base (1) length direction arranged, and in be equipped with the spiro union hole on base (1), first clamping jaw calibration block (7) through wear through rectangular hole (704) and spiro union in spiro union downthehole spiro union piece (5) of spiro union, and with base (1) links firmly.

6. The calibration tool of claim 4, wherein: be equipped with fixed block (6) that have the screw hole on base (1), fixed block (6) with between first clamping jaw calibration piece (7) through the spiro union in adjusting screw (10) in the screw hole link to each other, just the one end of adjusting screw (10) is rotated and is located on first clamping jaw calibration piece (7), and in be equipped with on the other end of adjusting screw (10) and be used for controlling operating part (11) of adjusting screw (10).

7. The calibration tool of claim 2, wherein: the pressing knife calibration part comprises a pressing knife calibration block (9) arranged on the base (1), the pressing knife horizontal calibration surface (901) and a pressing knife parallel calibration surface (902) positioned on one side of the pressing knife horizontal calibration surface (901) are formed on the pressing knife calibration block (9); the pressing knife calibration block (9) is located on one side of the clamping jaw calibration part, and/or the pressing knife calibration block (9) is located between the first clamping jaw calibration block (7) and the second clamping jaw calibration block (8).

8. The calibration tool of claim 7, wherein: a clamping jaw calibration avoiding groove (12) which is arranged in a concave manner is formed on the first clamping jaw calibration block (7) corresponding to one side of the clamping jaw horizontal calibration surface, which is close to the clamping jaw parallel calibration surface; and/or a pressing knife calibration avoiding groove (13) which is arranged in a concave manner is formed on the pressing knife calibration block (9) corresponding to one side of the pressing knife horizontal calibration surface (901) close to the pressing knife parallel calibration surface (902).

9. The calibration tool according to any one of claims 1 to 8, characterized in that: the base (1) is connected with the lamination table (4) through a connecting piece penetrating through the base; and/or a lightening hole (104) is arranged on the base (1).

10. The calibration tool of claim 9, wherein: end positioning parts are arranged at two opposite ends of the base (1), and end abutting surfaces which are in abutting contact with the lamination table (4) are arranged on the two end positioning parts; and/or a side positioning piece (103) is arranged on at least one side of the base (1), and the side positioning piece (103) is provided with a side abutting surface which is abutted and contacted with the lamination table (4).