CN102581811B - Detacher - Google Patents

Abstract

The invention discloses a disassembler, which belongs to the field of maintenance devices for mechanical parts. The remover includes: a thimble assembly, a sleeve, and a first screw and a one-way device arranged in the sleeve. The thimble assembly includes a plurality of thimbles matching the pin holes, and the thimble is detachably installed on the output of the one-way device. end, the input end of the one-way device is connected with one end of the first screw rod, the other end of the first screw rod protrudes from the sleeve and is provided with an operating part, and the end of the sleeve close to the operating part is provided with an internal thread, and the internal thread is connected to the first screw rod Match the threads on the The invention realizes the function of the same tool not only for pulling out pins but also for ejecting pins by using the characteristic of one-way torque transmission of the one-way device, and has wide applications. And the structure of the present invention is simple, easy to use, when carrying, compared with many tools that need to be carried at present, the weight is smaller, more convenient, and can not be missed.

Description

a disassembler

technical field

The invention relates to a maintenance device for mechanical parts, in particular to a disassembler.

Background technique

In daily mechanical disassembly and maintenance, various disassemblers are needed, for example, pin pullers, pin ejectors, pullers, etc. The traditional disassembler is generally a function to achieve one function. Therefore, when performing mechanical operations, because different disassembly tools are required for different parts, it is necessary to carry a large number of tools when going out, so that they can be removed in time when the machinery fails. It is disassembled, inspected and repaired to restore the normal operation of the machine.

In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art:

The existing disassembler can usually only realize one function, so the staff needs to carry multiple disassembly tools at the same time, which is easy to miss. When using it, it is time-consuming and laborious to find the corresponding disassembler, which is inconvenient to use. In addition, because the detacher is usually made of metal, multiple detachers are carried at the same time, which is heavy and inconvenient to carry.

Contents of the invention

In order to overcome the problems of carrying multiple detachers at the same time, heavy weight, inconvenient carrying and inconvenient use, an embodiment of the present invention provides a detacher. Described technical scheme is as follows:

A remover, comprising: a thimble assembly, a sleeve, and a first screw and a one-way device arranged in the sleeve, the thimble assembly includes a plurality of thimbles matching the pin holes, and the thimbles are detachable ground installed on the output end of the one-way device, the input end of the one-way device is connected to one end of the first screw, and the other end of the first screw protrudes from the sleeve and is provided with an operating part, The end of the sleeve close to the operating part is provided with an internal thread, and the internal thread matches the thread on the first screw rod.

Specifically, the one-way device includes a drive rod, one-way device body and one-way device sleeve;

The one-way device includes a drive rod, one-way device body and one-way device sleeve;

The drive rod includes a connecting rod and a cylinder-like body, one end of the connecting rod is connected to one end surface of the cylinder-like body, the other end of the connecting rod is the input end of the one-way device, and the cylinder-like body The outer diameter of the body is larger than the outer diameter of the connecting rod, and the other end surface of the cylindrical body includes at least two protrusions, each of which includes a smooth slope and a vertical surface connected to the slope, so The at least two protrusions are helically arranged around the central axis of the cylindrical body;

The one-way device body is a stepped body with an outer stepped surface composed of a large-diameter part and a small-diameter part, the large-diameter part is the output end of the one-way device, and the small-diameter part is provided with at least two second A groove, the first groove corresponds to the inclined surface one by one, and a one-way device spring and a roller are arranged in the first groove, and the one-way device spring is arranged against the one-way device Between the body and one end of the roller, the other end of the roller is against the corresponding inclined surface;

One end of the one-way sleeve is connected to the small-diameter portion, the other end of the one-way sleeve is provided with an inner flange, and the cylindrical body is arranged in the one-way sleeve. The connecting rod passes through the inner flange and the inner flange clamps the quasi-cylindrical body.

Further, the one-way device also includes a blocking plate and a fastener, the blocking plate is fixed on the small diameter portion by the fastener, the blocking plate has at least two limit arms, and the roller There is a limit slot matched with the limit arm on the top.

Further, a second groove is axially opened in the first screw rod, a return spring is provided in the second groove, and a shaft along the axis of the first screw rod is provided on the side wall of the second groove. The connecting rod is provided with a connecting rod pin that can move in the elongated through hole.

Further, the thimble assembly also includes an end cover and a plurality of fixing blocks, the thimbles are respectively fixed on the corresponding fixing blocks, the fixing blocks are provided with fixing pins, and the end cover is fixed on the large The end face of the diameter portion and the fixing pin is sandwiched between the end cover and the large diameter portion.

Further, the sleeve includes a first sleeve, a second sleeve and a sleeve connection part, the opposite ends of the first sleeve and the second sleeve are provided with a mating plug-in structure, and the first sleeve The opposite ends of the first sleeve and the second sleeve are provided with outer flanges, and the sleeve connecting portion fixes the outer flanges together.

Optionally, the operating component is a twisted rod, and the twisted rod vertically passes through the first screw.

Further, the remover also includes a vise; the vise includes a second screw rod, a wrench fixed at one end of the second screw rod, a fixed clamp body fixed at the other end of the second screw rod, and a movable The movable tong body installed on the second screw rod, the movable tong body is located between the wrench and the fixed tong body, the fixed tong body is provided with a groove opening upward, and the sleeve is movably It is installed in the groove and the outer wall of the sleeve is provided with a protrusion that can abut against the body of the fixed pliers.

Further, the outer wall of the sleeve is provided with an outwardly extending protrusion, and the remover also includes a puller, and the puller includes a puller sleeve and a puller claw fixed on the puller sleeve, The puller sleeve is fitted on the first sleeve and abuts against the raised portion.

Further, the detacher also includes a base, and a recessed portion abutting against one end of the sleeve is provided inside the base.

The beneficial effects brought by the technical solution provided by the embodiments of the present invention are:

By setting the one-way device in the sleeve, the input end of the one-way device is connected with the first screw rod, and the thimble is installed at the output end of the one-way device, so that the thimble can be driven along the direction of the sleeve by rotating the first screw rod. Axial direction forward and backward movement. When the thimble moves forward along the axis of the sleeve, the one-way device simultaneously transmits torque; and when the thimble moves backward along the axis of the sleeve, the one-way device no longer transmits torque. In this way, when the output end of the one-way device is installed with the thimble for ejecting the pin, the first screw rod drives the thimble to move forward along the axial direction of the sleeve, so that the pin can be ejected. When the output end of the one-way device is installed with a thimble that matches the thread of the pin hole on the workpiece, the first screw drives the thimble to move forward along the axis of the sleeve, and at the same time transmits torque through the one-way device, so that The thimble is screwed into the pin hole, and when the thimble is screwed into a desired position, the first screw rod rotates in the opposite direction to drive the thimble to move backward, so as to separate from the workpiece together with the pin. That is to say, the embodiment of the present invention realizes the function of the same tool not only for pulling out pins but also for ejecting pins by utilizing the characteristic of torque transmission in one direction of the one-way device, and has a wide range of uses. The disassembler of the present invention is simple in structure and easy to use. Compared with many tools that need to be carried at present, the disassembler is lighter in weight, more convenient, and will not be missed.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a schematic structural view of the detacher provided in Embodiment 1 of the present invention;

Fig. 2 is a partially enlarged structural schematic diagram of the one-way device provided in Embodiment 1 of the present invention;

3 is a schematic structural view of the drive rod provided in Embodiment 1 of the present invention;

Fig. 4 is a schematic structural view of the one-way device body provided in Embodiment 1 of the present invention;

Fig. 5 is a schematic structural view of the thimble assembly provided in Embodiment 1 of the present invention;

Fig. 6 is a schematic structural view of the detacher provided in Embodiment 2 of the present invention;

Figure 7 is a schematic structural view of the vise provided in Embodiment 2 of the present invention;

Fig. 8 is a schematic structural view of the detacher provided in Embodiment 3 of the present invention;

Fig. 9 is a schematic structural view of the detacher provided in Embodiment 4 of the present invention.

In the accompanying drawings, the components represented by each label are listed as follows:

1 thimble assembly; 11 thimble; 12 fixed block; 13 end cap; 14 fixed pin; 2 sleeve; 21 first sleeve; 22 second sleeve; 23 sleeve connection; 24 outer flange; 25 screw sleeve; 26 limit screw; 3 top pad; 31 top pad screw; 4 one-way device; 41 one-way device body; 411 large diameter part; 412 small diameter part; 413 outer step surface; 414 first groove; 4141 limit groove; 42 one-way device sleeve; 421 inner flange; 43 drive rod; 431 connecting rod; one end of 4311 connecting rod; the other end of 4312 connecting rod; 432 type cylinder; Spring; 45 roller; 46 catch; 461 limit arm; 47 fastener; 48 connecting rod pin; 5 operating part; 6 first screw rod; 61 elongated through hole; 62 second groove; 8 vise; 81 second screw; 82 wrench; 83 fixed clamp body; 84 movable clamp body; 9 puller; 91 puller sleeve; 92 puller claw; 10 base.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Embodiment one

The embodiment of the present invention provides a disassembler, as shown in Figure 1, the disassembler includes: a thimble assembly 1, a sleeve 2, and a first screw 6 and a one-way device 4 arranged in the sleeve 2, the thimble assembly 1 includes a plurality of thimbles 11 matching the pin holes, the thimbles 11 are detachably installed on the output end of the one-way device 4, the input end of the one-way device 4 is connected with one end of the first screw rod 6, and the other end of the first screw rod 6 One end protrudes from the sleeve and is provided with an operating part 5 . The end of the sleeve 2 close to the operating part 5 is provided with an internal thread, which matches the thread on the first screw 6 .

Specifically, a screw sleeve 25 may be installed on the inner wall of the sleeve 2 and fixed with a limit screw 26 . The internal thread of the screw sleeve 25 matches the thread of the first screw rod 6 , and the external thread of the screw sleeve 25 matches the internal thread of the sleeve 2 .

Specifically, as shown in FIG. 2 , the one-way device specifically includes: a driving rod 43 , a one-way device body 41 and a one-way device sleeve 42 .

3, the driving rod 43 includes a connecting rod 431 and a cylinder-like body 432. One end 4311 of the connecting rod is connected to one end surface of the cylinder-like body 432, and the other end 4312 of the connecting rod is the input end of the one-way device 4, which is a cylinder-like body. The outer diameter of 432 is larger than the outer diameter of connecting rod 431, and the other end surface of quasi-cylindrical body 432 comprises two protrusions, and each protrusion comprises a smooth slope 4321 and a vertical surface 4322 connected with slope 4321, and the two protrusions are like The central axis of the cylinder 432 is arranged in a helical shape at the center. As shown in Figure 4, the one-way device body 41 is the stepped body of the band outer step surface 413 that is made up of large-diameter part 411 and small-diameter part 412, and large-diameter part 411 is the output end of one-way device 4, and on the small-diameter part 412 There are two first grooves 414, the first grooves 414 correspond to the aforementioned slopes 4321 one by one, the first groove 414 is provided with a one-way device spring 44 and a roller 45, and the one-way device spring 44 is arranged on the one-way Between the guide body 41 and one end of the roller 45 , the other end of the roller 45 abuts against the corresponding slope 4321 . It should be noted that the number of protrusions is not limited to two, and there may be multiple; correspondingly, the number of first grooves 414 is not limited to two.

Referring to Fig. 2 again, one end of the one-way device sleeve 42 is connected with the small-diameter portion 412, and the other end of the one-way device sleeve 42 is provided with an inner flange 421, and the quasi-cylindrical body 432 is located in the one-way device sleeve 42, and the connecting rod 431 passes through the inner flange 421 and the inner flange 421 clamps the quasi-cylindrical body 432 .

When the one-way device 4 is working, when the first screw rod 6 rotates and moves forward in one direction, the driving rod 43 connected to it will also rotate and move forward, and the roller 45 is pressed against the corresponding one-way device spring 44 under the action of the one-way device spring 44. on the slope 4321, and slide along the slope 4321 from high to low until it touches the protruding vertical surface 4322 of the cylinder-like body 432, at this time, the cylinder-like body 432 drives the one-way device body 41 together through the roller 45 As the driving rod 43 rotates, torque is transmitted, and at the same time, the one-way device 4 moves forward along with the first screw rod 6 . When the first screw rod 6 rotates in another direction and moves backward, the driving rod 43 also rotates and moves backward. At this time, the roller 45 slides from low to high along the slope 4321, no longer transmits torque, and the driving rod 43 The one-way device sleeve 42 is driven to move backward by the inner flange 421 , thereby driving the one-way device body 41 to move backward.

In this embodiment, one end of the one-way sleeve 42 and the small-diameter portion 412 can be screwed together, which is convenient for assembly and disassembly. Apparently, one end of the one-way sleeve 42 and the small-diameter portion 412 can also be fixed together by screws or the like.

Further, the one-way device 4 also includes a blocking piece 46 and a fastener 47, the blocking piece 46 is fixed on the small diameter portion 412 by the fastener 47, the blocking piece 46 has at least two limit arms 461, and the roller 45 is provided with The limiting groove 4141 matched with the limiting arm 461. This structure can prevent the spring 44 and the roller 45 of the one-way device from slipping off during the assembly process of the one-way device 4, which is convenient for assembly.

The above-mentioned one-way device has a simple structure, is convenient to manufacture and assemble, and is easy to realize. However, the one-way device in this embodiment of the present invention can also adopt the existing one-way device structure on the market, such as the one-way device structure disclosed in the application number 200820084147.3, or the one-way device structure disclosed in the application number 201020253104.0.

Further, referring to FIG. 1 again, a second groove 62 is axially opened in the first screw rod 6, and a return spring 7 is arranged in the second groove 62, and an axial long groove 62 is arranged on the side wall of the second groove 62. The connecting rod 431 is provided with a connecting rod pin 48 that can move axially in the elongated through hole 61 .

As shown in Figure 5, the thimble assembly 1 also includes an end cover 13 and a plurality of fixing blocks 12, the thimbles 11 are respectively fixed on the corresponding fixing blocks 12, the fixing blocks 12 are provided with fixing pins 14, and the end cover 13 is fixed on the large diameter On the end surface of the portion 411 , the fixing pin 14 is interposed between the end cover 13 and the large-diameter portion 411 . This structure is convenient for quick replacement of the thimble 11 and is convenient to use.

Further, the sleeve 2 includes a first sleeve 21, a second sleeve 22 and a sleeve connecting portion 23, and the opposite ends of the first sleeve 21 and the second sleeve 22 are provided with interfitting plug-in structures, and the second Both the first sleeve 21 and the second sleeve 22 are provided with outer flanges 24 , and the sleeve connecting portion 23 fixes the outer flanges 24 together. Specifically, in this embodiment, the sleeve connecting portion 23 may be a nut with an inner flange. It is easy to know that the sleeve connection part 23 may also adopt a connection structure such as a screw. Dividing the sleeve 2 into a first sleeve 21 and a second sleeve 22 facilitates the assembly of the disassembler. It is easy to know that the sleeve 2 can also be an integrally formed structure.

Preferably, the operating component 5 is a twisted rod, which vertically passes through the first screw rod 6 and is fixed by screws (not shown in the figure).

Preferably, the other end of the first screw rod is provided with a top pad 3 and fixed with a top pad screw 31 .

In the assembly process of the disassembler of the present invention, the return spring 7 is packed into the second groove 62 of the first screw rod 6, and then the connecting rod 431 of the one-way device 4 is inserted into the second groove 62, and the connecting rod pin 48 passes through the second groove 62. The overlong through hole 61 is fixed on the connecting rod 431, then the screw sleeve 25 is screwed onto the first screw rod 6, then the first sleeve 21 is screwed onto the screw sleeve, and then the second sleeve 22 is installed. , and use the sleeve connection part 23 to fix the first sleeve 21 and the second sleeve 22 . Then install the thimble assembly 1 on the large diameter part 411 . Finally, the twisted rod is vertically passed through the other end of the first screw rod 6, and fixed by screws.

The remover of the embodiment of the present invention can be used as a pin ejector, and can also be used as a pin puller. The working principle of the disassembler according to the embodiment of the present invention will be described below in conjunction with FIG. 1 .

When the remover of this embodiment is used as a pin ejector, the shape of the thimble 11 is selected to correspond to the shape of the pin hole of the workpiece. When working, the thimble 11 is facing the pin hole of the fixed workpiece, and the twisted rod is rotated clockwise, the first screw 6 rotates along the axis of the sleeve 2 and moves forward, and the thimble 11 is driven forward by the one-way device 4 movement, thereby driving the ejector pin 11 to start pushing the pin until the pin is ejected from the pin hole.

When the remover of this embodiment is used as a pin puller, the shape of the thimble 11 selected for installation is a threaded needle shape, and the thread parameters are consistent with those of the pin to be pulled. When the disassembler is working, the screw rod is rotated clockwise, the first screw rod 6 rotates forward along the axis direction of the sleeve 2, and drives the one-way device 4 to rotate, thereby driving the thimble 11 to rotate forward, and the thimble 11 is screwed into the pin In the screw hole, when the thimble 11 is tightened with the pin in the pin hole, the twisted rod is rotated counterclockwise. According to the characteristic of the one-way device 4, "it can only rotate in a certain direction, and lock in another direction". Now the one-way device 4 is locked, that is, the one-way device 4 no longer rotates with the twisted rod, and now the thimble 11 is only subjected to tension, and the pin can be pulled out by the tension. It should be noted that the pitch difference between the first screw rod 6 and the ejector pin 11 is eliminated by moving the connecting rod pin 48 in the elongated through hole 61 .

The embodiment of the present invention realizes the function of the same tool not only for pulling out pins but also for ejecting pins by using the characteristic of torque transmission in one direction of the one-way device, and has a wide range of applications. The disassembler of the present invention is simple in structure and easy to use. Compared with many tools that need to be carried at present, the disassembler is lighter in weight, more convenient, and will not be missed.

Example 2

As shown in Figure 6, the embodiment of the present invention provides a detacher. The structure of the detacher in embodiment 2 is basically the same as that in embodiment 1, the only difference is that the detacher in embodiment 2 also includes a tiger Clamp 8.

As shown in Figure 7, the vise 8 includes: a second screw rod 81, a wrench 82 fixed at one end of the second screw rod 81, a fixed clamp body 83 fixed at the other end of the second screw rod 81, and movably installed on the second screw rod 81. The movable clamp body 84 on the 81, the movable clamp body 84 is located between the wrench 82 and the fixed clamp body 83, the fixed clamp body 83 is provided with an upward groove, the sleeve 2 is movably installed in the groove and the outer wall of the sleeve 2 It is provided with a raised portion that can be offset against the fixed clamp body 83 .

In this embodiment, the protrusion is the outer flange of the first sleeve 21 . It is easy to know that if the sleeve 2 is of an integrated structure, an outer flange can also be formed on the outer wall of the sleeve 2, and the outer flange can be used as a raised portion.

The working process of the disassembler according to the embodiment of the present invention will be described below with reference to FIG. 6 . Install the first sleeve 21 into the groove of the fixed body 83 . When working, put the workpiece on the workbench with the fixed clamp body 83, rotate the wrench 82 clockwise, and drive the second screw rod 81 to rotate clockwise, thereby driving the movable clamp body 84 to move to the right until the workpiece is tightly fixed on the movable clamp In the middle of body 84 and fixed clamp body 83. According to the height position of the pin hole on the workpiece, adjust the height of the first sleeve 21 so that the thimble 11 is aligned with the pin hole, rotate the twisted rod clockwise, and drive the first screw rod 6 to move to the left, thereby driving the thimble through the one-way device 4 11 moves axially to the left, so that the thimble pin 11 pushes the pin out of the pin hole. Rotate the winch counterclockwise to push the thimble 11 out of the pin hole, then turn the wrench 82 counterclockwise to loosen the workpiece.

In this embodiment, the vise can also be detached from the disassembler and used as a vise alone, as shown in FIG. 7 . The specific working process is well known to those skilled in the art, and will not be described in detail here.

It is easy to know that the remover of embodiment 2 is the same as the remover of embodiment 1, and can also be used as a pin puller, and the specific process is the same as that of embodiment 1, and the detailed description is omitted here.

The embodiment of the present invention realizes the function of the same tool not only for pulling out pins but also for ejecting pins by using the characteristic of torque transmission in one direction of the one-way device, and has a wide range of applications. The disassembler of the present invention is simple in structure and easy to use. Compared with many tools that need to be carried at present, the disassembler is lighter in weight, more convenient, and will not be missed. In addition, thanks to the vise, the workpiece can be clamped, further facilitating pin ejection. And the vise can also be used alone, which can easily lock the workpiece.

Example 3

As shown in Figure 8, the embodiment of the present invention provides a detacher. The structure of the detacher of embodiment 3 is basically the same as that of the detacher of embodiment 1, the only difference is that the detacher sleeve 2 of embodiment 3 The outer wall of the outer wall is provided with an outwardly extending protrusion, and the remover also includes a puller 9, the puller includes a puller sleeve 91 and a puller claw 92 fixed on the puller sleeve 91, and the puller sleeve 91 is set on the The first sleeve 2 abuts against the raised portion of the sleeve 2 and is fixed with screws.

In this embodiment, the protrusion is the outer flange of the first sleeve 21 . It is easy to know that if the sleeve 2 is of an integrated structure, an outer flange can also be formed on the outer wall of the sleeve 2, and the outer flange can be used as a raised portion.

Specifically, the working process of the detacher according to the embodiment of the present invention will be described with reference to FIG. 8 . When pulling horse 9 is installed, first pull down twisted rod, then puller cover 91 is installed on the first sleeve 21, and arrives at the outer flange of first sleeve 21, fixes with screw, loads up twisted rod again. It should be noted that the shape of the ejector pin 11 selected at this time is conical, and is used to withstand the workpiece when the disassembler is working. When the disassembler works, push the thimble 11 against the center hole of the shaft end of the workpiece, then place the puller claw 92 on the end face of the part on the shaft, rotate the twisted rod clockwise, and drive the first screw rod 6 to move to the left. The sleeve 21 moves relative to the first screw rod 6, and drives the puller 9 to move axially to the right under the action of the screw drive, and the parts on the shaft are disassembled from the shaft.

It is easy to know that the remover in embodiment 3 is the same as the remover in embodiment 1, and can also be used as a pin ejector and a pin puller, and a detailed description is omitted here.

A kind of detacher of the present invention adds puller 9 on the basis of embodiment 1, makes the detacher of the present invention add another function on existing two functions, promptly can also be used as puller use, The disassembler has a wide range of uses, is convenient to use, and is also very convenient when it is carried, so that it will not be missed.

Example 4

As shown in Figure 9, the embodiment of the present invention provides a detacher. The structure of the detacher in embodiment 4 is basically the same as that in embodiment 1, the only difference is that the detacher in embodiment 3 also includes a base 10. The base 10 is provided with a concave portion abutting against one end of the sleeve 2 .

Further, the cross-sectional profile of the base 10 is in a convex shape, and the part where the concave part corresponds to the inner diameter of the sleeve 2 can be hollow, so as to reduce the overall weight of the remover.

Specifically, the working process of the detacher according to the embodiment of the present invention will be described with reference to FIG. 9 . When installing the base 10, the thimble assembly 1 is removed first, and then the base 10 is put on. When working, place the remover under a heavy object, with the base on a level surface, and the top pad in contact with the heavy object. Rotate the winch counterclockwise, and the first screw rod 6 moves upward in a helical manner to jack up the heavy object; reversely rotate the winch rod to put down the heavy object.

It is easy to know that the remover of embodiment 4, like the remover of embodiment 1, can also be used as a pin ejector and a pin puller, and a detailed description is omitted here.

In the embodiment of the present invention, by adding the base 10, the disassembler can be used as a jack, which expands the range of use of the disassembler, makes it more convenient to use, and simplifies the quantity and quality when carrying, making the carrying tool more convenient. Convenient and not easy to miss.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (10)

1. a stripping attachment, it is characterized in that, comprise: thimble assembly, sleeve and be located at the first screw rod and the isolator in described sleeve, described thimble assembly comprises multiple thimbles that match with pin-and-hole, described thimble is removably mounted on the output of described isolator, the input of described isolator is connected with one end of described the first screw rod, the other end of described the first screw rod stretches out described sleeve and is provided with functional unit, described sleeve is provided with internal thread near one end of described functional unit, and the screw thread on described internal thread and described the first screw rod matches.

2. stripping attachment as claimed in claim 1, is characterized in that, described isolator comprises:

Described isolator comprises drive rod, one-way device body and isolator sleeve;

Described drive rod comprises connecting rod and class cylinder, one end of described connecting rod is connected with the cylindrical end face of described class, the other end of described connecting rod is the input of described isolator, the cylindrical external diameter of described class is greater than the external diameter of described connecting rod, the cylindrical other end of described class is formed with at least two projections, each described projection comprises a level and smooth inclined-plane and the vertical plane being connected with described inclined-plane, and described at least two projections arrange in the shape of a spiral centered by the cylindrical central axis of described class;

Described one-way device body is the step-like body of step surface outside the band being grouped into by large diameter portion and minor diameter part, described large diameter portion is the output of described isolator, described minor diameter part is arranged with at least two the first grooves, described the first groove is corresponding one by one with described inclined-plane, and be provided with isolator spring and roller in described the first groove, described isolator spring supports and is located between described one-way device body and one end of described roller, and the other end of described roller is butted on corresponding described inclined-plane;

One end of described isolator sleeve is connected with described path part, and the other end of described isolator sleeve is provided with inward flange, and described class cylinder is located in described isolator sleeve, and described connecting rod blocks described class cylinder through described inward flange and described inward flange.

3. stripping attachment as claimed in claim 2, it is characterized in that, described isolator also comprises catch and securing member, and described catch is fixed on described path part by described securing member, described catch has at least two position limit arms, and described roller is provided with the stopper slot matching with described position limit arm.

4. stripping attachment as claimed in claim 2, it is characterized in that, in described the first screw rod, axially offer the second groove, in described the second groove, be provided with on the sidewall of back-moving spring and described the second groove and offer the axial microscler through hole along described the first screw rod, described connecting rod is provided with the link pin that can move in described microscler through hole.

5. stripping attachment as claimed in claim 2, it is characterized in that, described thimble assembly also comprises end cap and multiple fixed block, described thimble is separately fixed on corresponding described fixed block, described fixed block is provided with steady pin, and described end cap is fixed on the end face of described large diameter portion and described steady pin is folded between described end cap and described large diameter portion.

6. stripping attachment as claimed in claim 1, is characterized in that, described functional unit is shed stick, and described shed stick is vertically through described the first screw rod.

7. stripping attachment as claimed in claim 1, it is characterized in that, described sleeve comprises the first sleeve, the second sleeve and sleeve connecting portion, described the first sleeve one end relative with the second sleeve is provided with the connected structure cooperatively interacting, and described the first sleeve is equipped with outward flange with the relative one end of described the second sleeve, and described sleeve connecting portion is fixed together described outward flange.

8. the stripping attachment as described in claim 1 to 7 any one, is characterized in that, described stripping attachment also comprises vice;

Described vice comprises the second screw rod, is fixed on the spanner of described second screw rod one end, is fixed on the fixing vice body of the described second screw rod other end and is arranged on movably the movable vice body on described the second screw rod, described movable vice body is between described spanner and described fixing vice body, on described fixing vice body, offer the groove of opening upwards, described sleeve is arranged in described groove movably and described sleeve outer wall is provided with the lug boss that can offset with described fixing vice body.

9. the stripping attachment as described in claim 1 to 7 any one, it is characterized in that, described sleeve outer wall is provided with outward extending lug boss, described stripping attachment also comprises and draws horse, described draw horse to comprise to draw horse cover and be fixed on described in draw that horse puts draw horse pawl, described in draw horse cover to be sleeved on described the first sleeve and be butted on described lug boss.

10. the stripping attachment as described in claim 1 to 7 any one, is characterized in that, described stripping attachment also comprises base, is provided with the depressed part offseting with one end of described sleeve in described base.