CN212444974U - Auxiliary tool - Google Patents

Abstract

The utility model discloses an auxiliary fixtures, including slide rail, support rail, first pressing tongs, second pressing tongs, gag lever post and adjustment mechanism. The first pressing clamp is slidably arranged on the sliding rail through the first sliding block, the second pressing clamp is slidably arranged on the sliding rail through the second sliding block, and a clamping end of the second pressing clamp, which is used for pressing the target piece, is opposite to a clamping end of the first pressing clamp, which is used for pressing the target piece; the supporting rail is slidably arranged on the sliding rail, the limiting rod is arranged on the supporting rail through an adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the positioning end of the limiting rod and the clamping end of the first pressing clamp. The auxiliary tool can clamp and fix the target part to be assembled or overhauled in a multi-direction mode, and the assembling and maintaining process is safe and controllable, so that the assembling precision is guaranteed, the assembling efficiency is improved, and the product yield is guaranteed.

Description

Auxiliary tool

Technical Field

The utility model relates to an overhaul of equipments technical field, in particular to auxiliary fixtures can carry out diversified location to target parts such as pneumatic valve.

Background

The reciprocating compressor is a compressor which periodically changes the volume of a cylinder body through the reciprocating motion of a piston or a diaphragm in a cylinder and realizes the pressurization and the delivery of gas. Belongs to a volume type compressor.

The air valve is the heart of the reciprocating compressor, the effective operation of the air valve is the key of the reliability of the whole compressor, and according to statistics, over 40 percent of unplanned stops of the compressor are all caused by air valve faults. Improper installation use is one of the causes of most gas valve failures.

For example, the metal valve plate air valve includes a disk-shaped valve seat and a disk-shaped valve stopper, and a valve plate, a damper plate, and a spring are disposed between the valve seat and the valve stopper. In the assembling process, the valve seat and the valve limiter of the air valve are not easy to fix, and the fastening bolt can cause the valve plate to displace, so that the damping plate is in contact with the spring, the spring is abraded, the spring is broken after the air valve runs for a period of time, and the compressor fault is caused.

At present, the air valve is assembled by domestic valve manufacturers only by hands, the assembling effect mainly depends on the experience of assembling workers, the valve seat and the valve limiter of the air valve are not easy to fix in the assembling process, the assembling efficiency is low, and the product yield is difficult to ensure.

Therefore, how to fix the gas valve in the process of assembling and maintaining the gas valve is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an auxiliary fixtures, when the pneumatic valve on reciprocating compressor was maintained and was assembled, can carry out diversified fixing to the pneumatic valve through this auxiliary fixtures, guarantee assembly and maintenance process safety controllable to guarantee the assembly precision, improve assembly efficiency, guarantee the product yield.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an auxiliary fixtures, includes slide rail, support rail, first pressure pincers, second pressure pincers, gag lever post and adjustment mechanism, wherein:

the first pressing clamp is slidably arranged on the sliding rail through a first sliding block, the second pressing clamp is slidably arranged on the sliding rail through a second sliding block, and a clamping end of the second pressing clamp, which is used for pressing a target piece, is opposite to a clamping end of the first pressing clamp, which is used for pressing the target piece;

the supporting rail is slidably arranged on the sliding rail, the limiting rod is arranged on the supporting rail through an adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the positioning end of the limiting rod and the clamping end of the first pressing clamp.

In above-mentioned auxiliary fixtures, adjustment mechanism includes third slider and vertical pole, wherein:

the third sliding block is slidably arranged on the supporting rail and is provided with a locking mechanism for locking and fixing the third sliding block on the supporting rail;

the vertical rod is fixedly connected to the third sliding block;

the adjusting end of the limiting rod is connected with the vertical rod through a clamping adjusting assembly.

In above-mentioned auxiliary fixtures, press from both sides tight adjusting part and include adjusting screw, first clamp splice and second clamp splice, wherein:

the first clamping block is a U-shaped clamping block and can be sleeved on the vertical rod in a relatively sliding manner;

the second clamping block is a U-shaped clamping block and can be sleeved on the limiting rod in a relatively sliding manner;

the adjusting screw rod sequentially penetrates through a through hole formed in the opening end of the first clamping block and a through hole formed in the opening end of the second clamping block and is used for adjusting the clamping degree of the first clamping block and the second clamping block.

In the auxiliary tool, the auxiliary tool further comprises a fourth sliding block, the fourth sliding block is slidably arranged on the sliding rail, and the upper side surface of the fourth sliding block and the upper side surface of the supporting rail are equal in height.

In the auxiliary tool, a first positioning pin matched with a first groove on the lower side surface of the target part is arranged on the upper side surface of the support rail;

and a second positioning pin matched with a second groove in the lower side surface of the target part is arranged on the upper side surface of the fourth sliding block.

In the auxiliary tool, a locking mechanism used for being locked and fixed with the sliding rail is arranged on the first sliding block or the first pressing clamp;

and/or a locking mechanism used for locking and fixing the second sliding block or the second pressing clamp with the sliding rail is arranged on the second sliding block or the second pressing clamp;

and/or a locking mechanism used for being locked and fixed with the sliding rail is arranged on the fourth sliding block;

and/or a locking mechanism used for being locked and fixed with the sliding rail is arranged on the supporting rail.

In the auxiliary tool, a first vertical through hole is formed in the clamping end of the first pressing clamp, a first adjusting screw is arranged in the first vertical through hole, the bottom end of the first adjusting screw is located below the first vertical through hole and is provided with a first pressing block used for pressing the target piece, and a first adjusting nut is arranged on the portion, located above the first vertical through hole, of the first adjusting screw.

In the auxiliary tool, a second vertical through hole is formed in the clamping end of the second pressing clamp, a second adjusting screw is arranged in the second vertical through hole, the bottom end of the second adjusting screw is located below the second vertical through hole and is provided with a second pressing block used for pressing the target piece, and a second adjusting nut is arranged on the portion, located above the second vertical through hole, of the second adjusting screw.

In the auxiliary tool, the first vertical through hole and the second vertical through hole are both strip-shaped holes.

In the auxiliary tool, two ends of the slide rail are respectively provided with a first positioning block;

and/or a second positioning block is arranged at one end, far away from the sliding rail, of the support rail.

When the auxiliary tool is used for positioning the air valve, after the valve seat, the spring, the damping sheet, the valve sheet and the valve cover are placed in place, the air valve is quickly and efficiently pressed and fixed through the first pressing clamp and the second pressing clamp, so that the air valve is axially positioned in the vertical direction; then through adjustment mechanism, make the location end of gag lever post and the clamp of first pressure pincers hold the end and be connected to for first pressure pincers provide circumference in the horizontal plane and support, in order to provide extra rigidity, guarantee that the pneumatic valve still remains stable motionless under the big moment of torsion circumstances, that is to say, can realize circumference location to the pneumatic valve through the gag lever post.

It can be seen that when the reciprocating compressor air valve is maintained and assembled, the air valve can be fixed in multiple directions through the auxiliary tool, any displacement of the air valve in the vertical direction and in the horizontal plane is avoided, maintenance of the air valve is facilitated, the relative positions of an air valve block, a damping sheet and a spring are guaranteed to be unchanged, safety and controllability of the assembling and maintaining process are guaranteed, assembling precision is guaranteed, assembling efficiency is improved, and product yield is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an auxiliary tool provided in an embodiment of the present invention.

Wherein:

1-a first positioning block, 2-a first slide block, 3-a support rail, 4-a slide rail, 5-a fourth slide block,

6-second slide, 301-first positioning pin, 501-second positioning pin,

7-a second pressing pliers, 8-a second pressing block,

9-a first pressing block, 10-a first pressing clamp,

101-a first vertical via, 701-a second vertical via,

11-a limiting rod, 12-a first clamping block, 13-a second clamping block,

14-vertical rod, 15-third slide block, 16-second positioning block,

17-first mount, 18-second mount.

Detailed Description

The utility model discloses an auxiliary fixtures can treat the assembly or treat that the target piece of examining and repairing presss from both sides tightly fixedly, for example when maintaining and assembling the pneumatic valve on reciprocating compressor, carries out diversified clamp to the pneumatic valve through this auxiliary fixtures and fixes, guarantees assembly and maintenance process safety controllable to guarantee the assembly precision, improve assembly efficiency, guarantee the product yield.

However, the present invention is not limited to this, and the air valve on the reciprocating compressor is only exemplified as the target component to be clamped and fixed, and in other cases, a person skilled in the art may also clamp and fix other components by using the auxiliary tool, and the application scenario of the auxiliary tool is not particularly limited.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an auxiliary tool according to an embodiment of the present invention.

First, the embodiment of the utility model provides an auxiliary fixtures, including slide rail 4, support rail 3, first pressing tongs 10, second pressing tongs 7, gag lever post 11 and adjustment mechanism. Wherein:

the first pressing pliers 10 are slidably arranged on the sliding rail 4 through the first sliding block 2, the second pressing pliers 7 are slidably arranged on the sliding rail 4 through the second sliding block 6, and a clamping end of the second pressing pliers 7 for pressing a target part is opposite to a clamping end of the first pressing pliers 10 for pressing the target part;

the supporting rail 3 is slidably arranged on the sliding rail 4, the limiting rod 11 is arranged on the supporting rail 3 through an adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the positioning end of the limiting rod 11 and the clamping end of the first pressing clamp 10.

When the auxiliary tool is used for positioning the air valve, after the valve seat, the spring, the damping sheet, the valve sheet and the valve cover are placed in place, the air valve is quickly and efficiently pressed and fixed through the first pressing clamp 10 and the second pressing clamp 7, so that the air valve is axially positioned in the vertical direction; then through adjustment mechanism, make the location end of gag lever post 11 be connected with the clamping end of first pressure pincers 10 to for first pressure pincers 10 provides the circumference in the horizontal plane and support, in order to provide extra rigidity, guarantee under the big moment of torsion condition that the pneumatic valve still remains stable motionless, that is to say, can realize circumference location to the pneumatic valve through gag lever post 11.

It can be seen that when the reciprocating compressor air valve is maintained and assembled, the air valve can be fixed in multiple directions through the auxiliary tool, any displacement of the air valve in the vertical direction and in the horizontal plane is avoided, maintenance of the air valve is facilitated, the relative positions of an air valve block, a damping sheet and a spring are guaranteed to be unchanged, safety and controllability of the assembling and maintaining process are guaranteed, assembling precision is guaranteed, assembling efficiency is improved, and product yield is guaranteed.

In a specific embodiment, the adjusting mechanism in the auxiliary tool includes a third slider 15 and a vertical rod 14. Wherein: the third slider 15 is slidably disposed on the support rail 3, and a locking mechanism (see specifically a locking knob a in fig. 1) for locking and fixing the third slider 15 on the support rail 3 is disposed on the third slider 15; the vertical rod 14 is fixedly connected to the third sliding block 15; the adjusting end of the limiting rod 11 is connected with the vertical rod 14 through a clamping adjusting assembly, and when the adjusting device is used, the positioning end of the adjusting limiting rod 11 is abutted against the first pressing block 9 at the clamping end of the first pressing clamp and is connected with the first pressing block through a screw.

Specifically, the clamping adjustment assembly includes an adjustment screw, a first clamp block 12 and a second clamp block 13. Wherein: the first clamping block 12 is a U-shaped clamping block and can be sleeved on the vertical rod 14 in a relatively sliding manner; the second clamping block 13 is a U-shaped clamping block and can be sleeved on the limiting rod 11 in a relatively sliding manner; the adjusting screw rod sequentially penetrates through a through hole formed in the opening end of the first clamping block 12 and a through hole formed in the opening end of the second clamping block 13 and is used for adjusting the clamping degree of the first clamping block 12 and the second clamping block 13.

Specifically, the U-shaped bottom of the first clamping block 12 is provided with a first adjusting hole adapted to the vertical rod 14 (see fig. 1 specifically, the vertical rod 14 passes through the first adjusting hole inside the first clamping block 12), and the aperture of the first adjusting hole ranges from 15mm to 25mm, and is preferably set to 20 mm; the U-shaped bottom of the second clamping block 13 is provided with a second adjusting hole adapted to the limiting rod 11 (see fig. 1 specifically, the limiting rod 11 passes through the second adjusting hole inside the second clamping block 13), and the aperture of the second adjusting hole ranges from 10mm to 15mm, and is preferably set to 12 mm.

In a specific embodiment, a first vertical through hole 101 is formed at a clamping end of the first pressing clamp 10 in the auxiliary tool, and a first adjusting screw is arranged in the first vertical through hole 101. The bottom end of the first adjusting screw is located below the first vertical through hole 101, and is provided with a first pressing block 9 for pressing the target piece. The part of the first adjusting screw rod above the first vertical through hole 101 is provided with a first adjusting nut.

Moreover, a second vertical through hole 701 is formed in the clamping end of the second pressing clamp 7 in the auxiliary tool, and a second adjusting screw is arranged in the second vertical through hole 701. The bottom end of the second adjusting screw is located below the second vertical through hole 701, and a second pressing block 8 for pressing the target part is arranged. The part of the second adjusting screw rod above the second vertical through hole 701 is provided with a second adjusting nut.

In the use process, the first pressing block 9 and the second pressing block 8 are used for providing pressing force for pressing the target part in the vertical direction, moreover, the pressing force of the first pressing block 9 is adjustable through a first adjusting screw connected with the first pressing block, and the pressing force of the second pressing block 8 is adjustable through a first adjusting screw connected with the second pressing block.

Preferably, the first vertical through hole 101 provided on the first pressing tong 10 and the second vertical through hole 701 provided on the second pressing tong 7 are both strip-shaped holes, and the width range of the strip-shaped holes is 6mm to 10mm, and is preferably set to 8 mm.

In a specific embodiment, the two ends of the slide rail 4 in the auxiliary tool are respectively provided with the first positioning block 1, so as to prevent the first slide block 2 and the second slide block 6 from falling off accidentally; a second positioning block 16 is disposed on the end of the support rail 3 away from the slide rail 4 to prevent the third sliding block 15 from falling off accidentally.

In a specific embodiment, the auxiliary tool further comprises a fourth sliding block 5. The fourth sliding block 5 is slidably disposed on the sliding rail 4, and the upper side surface of the fourth sliding block 5 and the upper side surface of the supporting rail 3 are equal in height, so that when a target piece is fastened and fixed, the sliding rail 4, the fourth sliding block 5 on the sliding rail 4 and the supporting rail 3 constitute a supporting seat for supporting the target piece. Moreover, in order to enhance the positioning effect, the upper side surface of the support rail 3 is provided with a first positioning pin 301 matched with the first groove on the lower side surface of the target piece; the upper side of the fourth sliding block 5 is provided with a second positioning pin 501 matched with the second groove on the lower side of the target member.

When the air valve is clamped and fastened, the first positioning pin 301 and the second positioning pin 501 are respectively positioned in the grooves at the bottom of the valve seat to limit; the first pressing block 9 and the second pressing block 8 are respectively positioned in the grooves in the top of the valve cover for limiting.

When the air valve is clamped and fastened, the upper side surface of the fourth sliding block 5 and the upper side surface of the supporting rail 3 are both positioned below a target part and used for supporting the target part, the air valve is pressed and positioned through the first pressing block 9 and the second pressing block 8, the upper part and the lower part of the air valve can be firmly held, and the air valve is prevented from displacing in the fastening process; the stopper rod 11 can prevent the valve cover located at the upper portion of the air valve from rotating and moving, and the first positioning pin 301 and the second positioning pin 501 can prevent the valve seat located at the lower portion of the air valve from rotating and moving. Therefore, the auxiliary tool can support and position the air valve with enough strength, safety and controllability of the air valve in the maintenance process are achieved, rotation of the valve plate is covered by the air valve cover when the air valve is fastened is avoided, and reliability of equipment maintenance is improved.

In addition, among this auxiliary fixtures, the interval between fourth slider 5 and the support rail 3 can be adjusted according to the actual size of target piece to constitute the changeable supporting seat of size, can adapt the pneumatic valve of multiple different models, not unidimensional, not isostructure, and other spare part products of not unidimensional, not isostructure.

In a specific embodiment, a locking mechanism for locking and fixing with the slide rail 4 is arranged on the first slide block 2 or the first press plier 10 in the auxiliary tool; a locking mechanism used for locking and fixing the second sliding block 6 or the second pressing clamp 7 with the sliding rail 4 is arranged on the second sliding block 6 or the second pressing clamp 7; a locking mechanism used for locking and fixing the fourth sliding block 5 with the sliding rail 4 is arranged on the fourth sliding block; the support rail 3 is provided with a locking mechanism for locking and fixing with the slide rail 4.

Specifically, the base of the first pressing pliers 10 is connected with the first sliding block 2 through a first bolt, and a first locking mechanism is arranged on the first base 17 of the first pressing pliers 10. When the first locking mechanism is in a locking state, the first pressing pliers 10 and the first sliding block 2 are locked and fixed together and cannot rotate around the first bolt; when the first locking mechanism is in an open state, the first pressing jaw 10 can rotate relative to the first sliding block 2. Preferably, the first locking mechanism comprises an adjusting bolt and a threaded hole which is arranged on the first base 17 of the first pressing clamp 10 and is matched with the adjusting bolt. When the first pressing pliers 10 needs to be adjusted to be in a locking state, the adjusting bolt is rotated to move downwards to press the first sliding block 2, and then the first sliding block 2 and the first pressing pliers 10 can be locked and fixed together through friction force; when the relative angle between the first pressing pliers 10 and the sliding rail 4 needs to be adjusted, the adjusting bolt is rotated reversely to move upwards to release the friction force, and at the moment, the first pressing pliers 10 can be rotated until the first pressing pliers 10 is adjusted to rotate to a proper angle and then locked.

Similarly, the base of the second pressing clamp 7 is connected with the second sliding block 6 through a second bolt, and a second locking mechanism is arranged on the second base 18 of the second pressing clamp 7. The specific structure and use mode of the second locking mechanism are the same as those of the first locking mechanism, and are not described in detail herein.

In addition, a locking mechanism of a knob structure is arranged on a side surface of the fourth slider 5, specifically, referring to a locking knob a in fig. 1, the fourth slider 5 can be locked and fixed on the slide rail 4 by rotating the locking knob a, and the fourth slider 5 can be unlocked by rotating the locking knob a in the opposite direction, so that the position of the fourth slider 5 on the slide rail 4 can be adjusted.

Similarly, the side surfaces of the first slider 2, the second slider 6, the support rail 3 and the third slider 15 are also respectively provided with a locking mechanism of a knob structure, and the specific structure and the use mode thereof are the same as those of the locking knob a, which is not described herein again.

In the use, above-mentioned each locking mechanism homoenergetic provides high efficiency's tight effect of clamp, ensures that the target piece is firmly fixed. But is not limited thereto, the locking mechanism may be implemented by a ram mechanism or other means.

To sum up, the embodiment of the present invention provides an auxiliary tool using method as follows:

step 1, preparation: the supporting rail 3 and the fourth sliding block 5 are adjusted on the sliding rail 4 according to the size of the air valve, and the first positioning pin 301 and the second positioning pin 501 can be correctly clamped in the groove at the bottom of the air valve.

And 2, adjusting the first pressing block 9 and the second pressing block 8 into grooves in the valve cover at the upper part of the air valve, and locking and fixing the first pressing clamp 10 and the second pressing clamp 7 on the sliding rail 4 through a locking mechanism.

And 3, pressing the air valve by using the first pressing clamp 10 and the second pressing clamp 7. First briquetting 9 and second briquetting 8 will block in the suitable position of pneumatic valve recess, guarantee that first briquetting 9 and second briquetting 8 can block the pneumatic valve when the fastening pneumatic valve, the contralateral at the pneumatic valve of the position of placing of first briquetting 9 and second briquetting 8 when dismantling the pneumatic valve.

And 4, adjusting the limiting rod 11 to abut against the first pressing block 9, and then fastening the first clamping block 12 and the second clamping block 13 to make the limiting rod 11 immovable and provide additional compression-resistant and tension-resistant moments for the first pressing block 9 on the first pressing clamp 10.

And 5, normally disassembling and fastening the air valve by using a torque wrench.

And 6, loosening the first clamping block 12 and the second clamping block 13, lifting the first pressing clamp 10 and the second pressing clamp 7, and taking out the air valve to finish assembly or maintenance.

To sum up, the embodiment of the utility model provides an auxiliary fixtures has following advantage:

1) the valve can solve the problem of the movement of the damping sheet and the valve sheet after the valve is assembled or maintained, and can safely, effectively and accurately install the valve back to avoid the problem of abrasion of the spring and the damping sheet.

2) The automatic maintenance of the air valve with high quality can be realized, the maintenance quality of the air valve is guaranteed, and the air valve is prevented from returning to a factory and being scrapped. The air valve set is maintained by returning to the factory for about 15 ten thousand yuan, wherein the cost of accessories is about 8 ten thousand yuan, the maintenance cost of about 7 ten thousand yuan/set of air valve set can be saved by using the auxiliary tool, and the maintenance cost of the air valve is saved by 21 ten thousand yuan every year.

3) The compressor air valve maintenance and replacement device has the characteristics of safety and reliability in use, convenience in maintenance and replacement of the air valve, low maintenance cost, wide application range and the like, has safety benefits and economic benefits, and has wide popularization value in loading and unloading equipment and other related fields relating to compressor air valve application.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made thereto within the knowledge of those skilled in the art.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an auxiliary fixtures, its characterized in that includes slide rail (4), support rail (3), first pressing tongs (10), second pressing tongs (7), gag lever post (11) and adjustment mechanism, wherein:

the first pressing clamp (10) is slidably arranged on the sliding rail (4) through a first sliding block (2), the second pressing clamp (7) is slidably arranged on the sliding rail (4) through a second sliding block (6), and a clamping end of the second pressing clamp (7) used for pressing a target piece is arranged opposite to a clamping end of the first pressing clamp (10) used for pressing the target piece;

the supporting rail (3) is slidably arranged on the sliding rail (4), the limiting rod (11) is arranged on the supporting rail (3) through an adjusting mechanism, and the adjusting mechanism is used for adjusting the distance between the positioning end of the limiting rod (11) and the clamping end of the first pressing clamp (10).

2. Auxiliary tool according to claim 1, characterized in that said adjusting mechanism comprises a third slider (15) and a vertical rod (14), wherein:

the third sliding block (15) is slidably arranged on the supporting rail (3), and a locking mechanism used for locking and fixing the third sliding block (15) on the supporting rail (3) is arranged on the third sliding block (15);

the vertical rod (14) is fixedly connected to the third sliding block (15);

the adjusting end of the limiting rod (11) is connected with the vertical rod (14) through a clamping adjusting assembly.

3. The auxiliary tooling of claim 2, wherein the clamping adjustment assembly comprises an adjustment screw, a first clamp block (12) and a second clamp block (13), wherein:

the first clamping block (12) is a U-shaped clamping block and can be sleeved on the vertical rod (14) in a relatively sliding manner;

the second clamping block (13) is a U-shaped clamping block and can be sleeved on the limiting rod (11) in a relatively sliding manner;

the adjusting screw rod sequentially penetrates through a through hole formed in the opening end of the first clamping block (12) and a through hole formed in the opening end of the second clamping block (13) and is used for adjusting the clamping degree of the first clamping block (12) and the second clamping block (13).

4. The auxiliary tool according to claim 1, further comprising a fourth slider (5), wherein the fourth slider (5) is slidably disposed on the slide rail (4), and an upper side surface of the fourth slider (5) and an upper side surface of the support rail (3) are equal in height.

5. The auxiliary tool according to claim 4, characterized in that the upper side of the support rail (3) is provided with a first positioning pin (301) adapted to a first groove on the lower side of the target member;

and the upper side surface of the fourth sliding block is provided with a second positioning pin (501) matched with a second groove on the lower side surface of the target part.

6. The auxiliary tool according to claim 5, characterized in that a locking mechanism for locking and fixing with the slide rail (4) is arranged on the first slide block (2) or the first press plier (10);

and/or a locking mechanism used for locking and fixing the second sliding block (6) or the second pressing clamp (7) with the sliding rail (4) is arranged on the second sliding block (6) or the second pressing clamp;

and/or a locking mechanism used for locking and fixing the fourth sliding block (5) with the sliding rail (4) is arranged on the fourth sliding block;

and/or a locking mechanism used for locking and fixing the sliding rail (4) is arranged on the supporting rail (3).

7. The auxiliary tool according to claim 1, characterized in that a first vertical through hole (101) is formed in a clamping end of the first pressing clamp (10), a first adjusting screw is arranged in the first vertical through hole (101), a bottom end of the first adjusting screw is located below the first vertical through hole (101) and is provided with a first pressing block (9) used for pressing the target piece, and a first adjusting nut is arranged on a portion, located above the first vertical through hole (101), of the first adjusting screw.

8. The auxiliary tool according to claim 7, characterized in that a second vertical through hole (701) is formed in a clamping end of the second pressing clamp (7), a second adjusting screw is arranged in the second vertical through hole (701), a second pressing block (8) used for pressing the target piece is arranged at the bottom end of the second adjusting screw and located below the second vertical through hole (701), and a second adjusting nut is arranged on the portion, located above the second vertical through hole (701), of the second adjusting screw.

9. The auxiliary tool according to claim 8, wherein the first vertical through hole (101) and the second vertical through hole (701) are both strip-shaped holes.

10. The auxiliary tool according to any one of claims 1 to 9, wherein two ends of the slide rail (4) are respectively provided with a first positioning block (1);

and/or a second positioning block (16) is arranged at one end, far away from the sliding rail (4), of the support rail (3).

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