CN216609806U - Double-color nail column die - Google Patents

Abstract

The utility model discloses a bicolor nail column die which comprises two stroke limiting devices, two female dies with different structures, two female die matching mechanisms with the same structure and a rotating device for placing two male dies with the same structure. Wherein, two female dies are respectively and correspondingly connected with one of the female die matching mechanisms. The female die matching mechanism comprises a push rod and a bottom plate for placing the female die. The rotating device is detachably connected with the bottom plates, the rotating device simultaneously drives the two bottom plates to slide back and forth along the direction of the column hole of the nail column and the corresponding push rods, and the push rods respectively control the corresponding female dies to correspond to the corresponding male dies to form or collapse the injection molding space when sliding. When the corresponding injection molding space is collapsed, the two bottom plates are fixedly connected with the corresponding stroke limiting devices, so that the rotating device is separated from the two bottom plates simultaneously. The rotation tracks of the two male dies on the rotating device are the same. The utility model realizes that the same injection mold can inject two materials, thereby reducing the injection cost.

Description

Double-color nail column die

Technical Field

The utility model relates to the technical field of injection mold processes, in particular to a double-color nail column mold.

Background

The post product adopts different materials to carry out injection molding according to different use occasions. Some use occasions require that the nail post cylinder has the characteristic of wear resistance. The POM material called as "steel for racing" has the characteristics of fatigue resistance, impact resistance and the like, and can meet the requirement that a layer of injection molding material such as POM is required to be injected on the surface of the POM material in order to increase the wear-resistant characteristic of the nail column body. However, the existing single-color mold can only inject a single material, and cannot meet the process requirements. The mode of additionally adding a set of single-color mold for secondary injection molding undoubtedly increases the handing-over difficulty of the two-time injection molding and the corresponding equipment cost, and is not advisable.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the double-color nail column mold is provided, two materials can be injected by the same injection mold, and the injection molding cost is reduced.

In order to solve the problems, the utility model adopts the following scheme:

the bicolor nail column mold comprises two stroke limiting devices, two female molds with different structures, two female mold matching mechanisms with the same structure and a rotating device for placing two male molds with the same structure;

the two female dies are respectively and correspondingly connected with one of the female die matching mechanisms;

the female die matching mechanism comprises a push rod and a bottom plate for placing the female die;

the rotating device is detachably connected with the bottom plates, the rotating device simultaneously drives the two bottom plates to slide back and forth with the corresponding push rods along the direction of the column hole of the nail column, and the push rods respectively control the corresponding female dies to correspond to the corresponding male dies to form or collapse injection molding spaces when sliding;

when the corresponding injection molding space is collapsed, the two bottom plates are fixedly connected with the corresponding stroke limiting devices, so that the rotating device is separated from the two bottom plates simultaneously;

the rotation tracks of the two male dies on the rotating device are the same.

Furthermore, a sliding block and a return spring are arranged on the bottom plate;

the sliding blocks are arranged on the bottom plate in a sliding mode, the sliding blocks are respectively fixedly connected with one end of each return spring and the corresponding female die, the other end of each return spring is fixedly connected with the bottom plate, and the push rod controls the corresponding female die and the corresponding male die to form an injection molding space and compress the return springs when sliding.

Furthermore, a guide groove is formed in the sliding block, a guide post matched with the guide groove is arranged at one end, close to the guide groove, of the push rod, and the guide post enters the guide groove when sliding and correspondingly pushes the sliding block to enable the corresponding female die and the corresponding male die to form the injection molding space.

Furthermore, the number of the push rods, the sliding blocks and the return springs on each female die matching mechanism is two, and the two sliding blocks are correspondingly connected with the two components of one female die.

Further, the stroke limiting device comprises a panel and a limiting piece;

the limiting part, one end of the push rod, which is far away from the bottom plate, and one end of the push rod, which is far away from the bottom plate, are all fixed on the panel. The limiting part is fixedly connected with the bottom plate after the injection molding space is collapsed.

Furthermore, the limiting part comprises a connecting part and a clamping part;

a through groove is formed in the bottom plate, one end of the connecting part penetrates through the through groove to be fixedly connected with the panel, and the other end of the connecting part is fixedly connected with the clamping part;

the clamping portion is fixedly connected with the bottom plate after the injection molding space and the injection molding space are collapsed.

Furthermore, a clamping piece is arranged on the bottom plate, and a groove is formed in the position, corresponding to the clamping piece, of the rotating device;

the clamping piece is connected with the groove in an interference fit mode.

Further, the rotating device comprises a turntable and a driving device;

the turntable is fixed at the movable end of the driving device;

the two male dies are distributed on the turntable.

Furthermore, a convex structure is arranged on one female die;

the convex structure is used for forming a yielding space on the surface of the nail column piece, and the yielding space and the other female die and the male die form the injection molding space.

Further, the device also comprises a stroke control mechanism;

the stroke control mechanism is connected with the rotating device and is used for controlling the rotating device to move along the column hole direction of the nail column.

In conclusion, the utility model has the beneficial effects that: the utility model provides a double-colored nail post mould, when moulding plastics, utilize rotating device to take the bottom plate to remove, cooperate with the push rod, let female mould and public mould form the space of moulding plastics of compound die, after the completion of moulding plastics, remove rotating device earlier, let the space of moulding plastics collapse, the nail post spare of once moulding plastics of completion that makes bottom plate and rotating device separate is stayed on a public mould in the time, at this moment, rotating device lets two public mould exchange positions, let and it closes with another female mould to leave the public mould of nail post spare of once moulding plastics of completion, the repeated process of moulding plastics, the nail post spare of once moulding plastics has just been accomplished and has been moulded plastics with the secondary of different materials, realize that same injection mold can mould plastics two kinds of materials promptly, the cost of moulding plastics is reduced.

Drawings

FIG. 1 is a schematic view of a mold closing state of one-time injection molding of a bicolor stud mold according to an embodiment of the utility model;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view illustrating an open state of one-shot injection molding of the bicolor stud mold according to the embodiment of the utility model;

FIG. 4 is a schematic diagram illustrating a mold closing state of the secondary injection molding of the bicolor stud mold according to the embodiment of the utility model;

FIG. 5 is an enlarged schematic view of the structure at B in FIG. 4;

FIG. 6 is a schematic diagram illustrating an open state of the two-shot molding of the two-shot stud mold according to the embodiment of the utility model;

FIG. 7 is a schematic structural diagram of a stroke limiting device of a bicolor stud mold in a mold closing state according to an embodiment of the utility model;

fig. 8 is a schematic structural view of a stroke limiting device of a bicolor stud mold according to an embodiment of the utility model in a mold opening state.

Description of reference numerals:

1. a stroke limiting device; 2. a female die; 3. a female die matching mechanism; 4. a male die; 5. a rotating device; 6. a clamping piece; 7. a groove; 8. a raised structure; 9. a stroke control mechanism; 10. a through groove; 11. a panel; 12. a limiting member; 13. a connecting portion; 14. a clamping part; 15. an injection molding space;

31. a push rod; 32. a base plate; 33. a slider; 34. a return spring; 35. a guide groove; 36. a guide post;

51. a turntable; 52. a drive device.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 8, the two-color pin mold includes two stroke limiting devices 1, two female molds 2 with different structures, two female mold matching mechanisms 3 with the same structure, and a rotating device 5 for placing two male molds 4 with the same structure;

the two female dies 2 are respectively and correspondingly connected with one of the female die matching mechanisms 3;

the female die matching mechanism 3 comprises a push rod 31 and a bottom plate 32 for placing the female die 2;

the rotating device 5 is detachably connected with the bottom plates 32, the rotating device 5 simultaneously drives the two bottom plates 32 to slide back and forth with the corresponding push rods 31 along the direction of the column holes of the nail column, and the push rods 31 respectively control the corresponding female dies 2 to form or collapse the injection molding space 15 corresponding to the corresponding male dies 4 when sliding;

when the corresponding injection space 15 is collapsed, the two bottom plates 32 are fixedly connected with the corresponding stroke limiting device 1, so that the rotating device 5 is separated from the two bottom plates 32 at the same time;

the rotation tracks of the two male dies 4 on the rotating device 5 are the same.

From the above description, the beneficial effects of the present invention are: the utility model provides a bicolor nail post mould, when moulding plastics, utilize 5 take bottom plates 32 to remove of rotating device, cooperate with push rod 31, let master model 2 and public mould 4 form the space 15 of moulding plastics of compound die, after the completion of moulding plastics, remove rotating device 5 earlier, let the space 15 of moulding plastics collapse, the nail post piece of once accomplishing moulding plastics that is stayed on a public mould 4 is got when making bottom plate 32 and rotating device 5 separation, at this moment, rotating device 5, let two public moulds 4 exchange the position, let the nail post piece public mould 4 that leaves to have accomplished once moulding plastics close with another master model 2, the process of moulding plastics repeatedly, the nail post piece that has accomplished once to mould plastics has just accomplished the secondary with different materials to mould plastics, realize that same injection mold can mould plastics two kinds of materials promptly, and reduce the injection cost.

Further, a sliding block 33 and a return spring 34 are arranged on the bottom plate 32;

the sliding blocks 33 are slidably disposed on the bottom plate 32, the sliding blocks 33 are respectively fixedly connected with one end of the return spring 34 and the corresponding female mold 2, the other end of the return spring 34 is fixedly connected with the bottom plate 32, and the push rod 31 controls the corresponding female mold 2 and the corresponding male mold 4 to form an injection space 15 and compress the return spring 34 through the sliding blocks 33 when sliding.

From the above description, through slider 33 and reset spring 34 cooperate, can realize that push rod 31 forms the space 15 of moulding plastics when promoting slider 33, and utilizes reset spring 34's elasticity to reset after slider 33 breaks away from the control of push rod 31 for the space 15 of moulding plastics is automatic to be collapsed, convenient to use, and automatic process that resets and can make the compound die and die sinking is more convenient.

Further, a guide groove 35 is formed in the slide block 33, a guide post 36 matched with the guide groove 35 is arranged at one end, close to the guide groove 35, of the push rod 31, and the guide post 36 enters the guide groove 35 when sliding and correspondingly pushes the slide block 33, so that the corresponding female mold 2 and the corresponding male mold 4 form the injection molding space 15.

As can be seen from the above description, the push rod 31 is matched with the guide slot 35 through the guide post 36 to complete the control of the slide block 33, and only needs to move into and out of the guide slot 35, so that the structure is simple and the control is convenient.

Further, the number of the push rods 31, the slide blocks 33 and the return springs 34 on each female die matching mechanism 3 is two, and the two slide blocks 33 are correspondingly connected with two components of one female die 2.

From the above description, the female mold 2 is divided into two components, which are controlled by different sliding blocks 33, so as to realize flexible splicing combination, and meet different injection molding requirements.

Further, the stroke limiting device 1 includes a panel 11 and a limiting member 12;

the limiting part 12, one end of the push rod 31 far away from the bottom plate 32 and one end of the push rod 31 far away from the bottom plate 32 are all fixed on the panel 11, and the limiting part 12 is fixedly connected with the bottom plate 32 after the injection space 15 is disassembled.

As can be seen from the above description, the push rod 31 and other devices are integrally disposed on the panel 11, and the bottom plate 32 is limited and fixed by the limiting member 12, so that the structural size of the device can be optimized, and the control mode can be simplified.

Further, the limiting member 12 includes a connecting portion 13 and a clamping portion 14;

a through groove 10 is formed in the bottom plate 32, one end of the connecting portion 13 penetrates through the through groove 10 to be fixedly connected with the panel 11, and the other end of the connecting portion 13 is fixedly connected with the clamping portion 14;

the clamping portion 14 is fixedly connected with the bottom plate 32 after the injection molding space 15 and the injection molding space 15 are disassembled.

As can be seen from the above description, the panel 11, the connecting portion 13 and the clamping portion 14 cooperate to realize the stroke control of the bottom plate 32, and have a simple structure, and can stably provide the clamping function.

Furthermore, a clamping piece 6 is arranged on the bottom plate 32, and a groove 7 is arranged on the rotating device 5 corresponding to the clamping piece 6;

the clamping piece 6 is connected with the groove 7 in an interference fit mode.

From the above description, the clamping piece 6 and the groove 7 are in interference fit, the bottom plate 32 is driven to move by using friction force, automatic disengagement is realized after the bottom plate 32 is fixed, the structure is simple, the clamping piece can be matched with the mold opening and closing process of the device, and the control difficulty of equipment is reduced.

Further, the rotating device 5 comprises a rotating disc 51 and a driving device 52;

the turntable 51 is fixed at the movable end of the driving device 52;

the two male dies 4 are distributed on the rotating disc 51.

As can be seen from the above description, the driving device 52 rotates the rotary table 51 to exchange the positions of the two male molds 4.

Furthermore, a convex structure 8 is arranged on one female die 2;

the protruding structures 8 are used for forming yielding spaces on the surfaces of the nail column pieces, and the yielding spaces, the other female die 2 and the male die 4 form the injection molding space 15.

From the above description, it can be seen that the protrusion structure 8 is provided on one female mold 2, so that the shape of the stud member can be changed to match with the other female mold 2, and a further injection space 15 is formed on the basis of the original product, thereby completing the secondary injection of the product.

Further, a stroke control mechanism 9 is also included;

the stroke control mechanism 9 is connected to the turning device 5 and is adapted to control the turning device 5 to move in the direction of the bore of the stud.

From the above description, it can be known that the movement of the rotating device 5 is controlled by the stroke control mechanism 9, which can effectively improve the injection molding efficiency of the whole nail column, so that the device is more intelligent.

Referring to fig. 1 to 7, a first embodiment of the present invention is:

the bicolor stud mold, as shown in fig. 1, 3 and 7, comprises two stroke limiting devices 1, a stroke control mechanism 9, two female molds 2 with different structures, two female mold matching mechanisms 3 with the same structure and a rotating device 5 for placing two male molds 4 with the same structure. Wherein, two female dies 2 are respectively and correspondingly connected with one female die matching mechanism 3. The master model fitting mechanism 3 includes a pusher 31 and a base plate 32 on which the master model 2 is placed. The rotating device 5 is detachably connected with the bottom plates 32, the rotating device 5 simultaneously drives the two bottom plates 32 to slide back and forth along the direction of the column hole of the nail column and the corresponding push rods 31, and the push rods 31 respectively control the corresponding female dies 2 to form or collapse the injection molding space 15 corresponding to the corresponding male dies 4 when sliding. The two base plates 32 are fixedly connected to the respective stroke limiting device 1 when the respective injection space 15 is collapsed, so that the rotating device 5 is simultaneously separated from the two base plates 32. Moreover, in order to ensure that the positions of the two male dies 4 can be correspondingly exchanged, the rotation tracks of the two male dies 4 on the rotating device 5 are the same. A stroke control mechanism 9 is connected to the turning device 5 and is adapted to control the turning device 5 to move in the direction of the bore of the stud.

In the present embodiment, as shown in fig. 1, 2 and 4, two mother molds 2 are used for primary injection and secondary injection respectively, and one mother mold 2 is provided with the convex structure 8 for primary injection. The convex structures 8 are used for forming yielding spaces on the surfaces of the nail column pieces, and the yielding spaces and the other female die 2 and the male die 4 used for secondary injection molding form injection molding spaces 15. The operation flow of the double-color nail column die is as follows:

firstly, as shown in fig. 1 and fig. 2, when the mold is closed, the rotating device 5 is controlled to move upwards and keep connection with the bottom plate 32, and is matched with the push rod 31, so that the male mold 4 and the female mold 2 are correspondingly combined into the injection space 15 for injection molding;

then, as shown in fig. 3, after the injection is completed, the rotating device 5 is controlled to move downward, and the rotating device 5 and the bottom plate 32 are separated by the fixing action of the stroke limiting device 1. At this time, the stud members molded in the injection space 15 composed of the female mold 2 for one-time injection are retained on the corresponding male mold 4;

then, as shown in fig. 4 and 5, the rotating device 5 is controlled to rotate, that is, the two male molds 4 are made to exchange positions, so that the stud member having completed the one-shot injection is moved to below the female mold 2 for the second-shot injection. At this time, the male mold 4 originally in this position is moved under the female mold 2 for one-shot injection. And, the product on the male mold 4, which has completed the secondary injection molding, has been taken out.

Finally, controlling the rotating device 5 to move upwards, and repeating the die assembly and injection molding process; and opening the mold again as shown in fig. 6 to obtain a product after the secondary injection molding.

In this embodiment, as shown in fig. 7, the bottom plate 32 is provided with a clamping member 6, and the rotating device 5 is provided with a groove 7 at a position corresponding to the clamping member 6. The clamping piece 6 is connected with the groove 7 in an interference fit mode. Preferably, the clamping piece 6 can be clamped by a nylon pin, and in addition, the connection between the bottom plate 32 and the rotating device 5 can be realized by other detachable connection modes such as magnetic attraction.

Further, in the present embodiment, as shown in fig. 1, the rotating device 5 includes a turntable 51 and a driving device 52. Wherein, the turntable 51 is fixed at the movable end of the driving device 52. Two male dies 4 are distributed on the rotating disc 51.

Referring to fig. 1 and fig. 3, a second embodiment of the present invention is:

in the two-color stud mold, as shown in fig. 1 and 3, a slider 33 and a return spring 34 are provided on a bottom plate 32 in addition to the first embodiment. The sliding blocks 33 are slidably disposed on the bottom plate 32, the sliding blocks 33 are respectively fixedly connected with one end of the return spring 34 and the corresponding female mold 2, the other end of the return spring 34 is fixedly connected with the bottom plate 32, and the push rod 31 controls the corresponding female mold 2 and the corresponding male mold 4 to form the injection molding space 15 and compress the return spring 34 through the sliding blocks 33 when sliding.

Specifically, the slide block 33 is provided with a guide groove 35, one end of the push rod 31 close to the guide groove 35 is a guide post 36 matched with the guide groove 35, and the guide post 36 enters the guide groove 35 when sliding and correspondingly pushes the slide block 33 to enable the corresponding female mold 2 and the corresponding male mold 4 to form the injection molding space 15.

And, the number of the push rod 31, the slide block 33 and the return spring 34 on each master model matching mechanism 3 is two, and the two slide blocks 33 are correspondingly connected with the two components of one master model 2.

In the present embodiment, as shown in fig. 1 and fig. 3, the specific process of the push rod 31 for controlling the female mold 2 and the male mold 4 to form or collapse the injection space 15 includes:

first, when forming the injection space 15, as shown in fig. 1, the bottom plate 32 moves up under the driving of the rotating device 5, and the guide posts 36 on the two push rods 31 generate a component force on the inclined surfaces thereof to push the slide blocks 33 when entering the corresponding guide grooves 35 on the slide blocks 33, so that the two components of the female mold 2 approach each other and form the injection space 15 together with the male mold 4. At the same time, the return spring 34 is compressed due to the movement of the slider 33.

Secondly, when the injection space 15 is collapsed, as shown in fig. 3, the bottom plate 32 moves down, and the guide posts 36 exit the guide grooves 35; at the same time, the slider 33 is moved and restored by the elastic force of the restoring spring 34, so that the two parts of the female mold 2 are separated and the injection space 15 is collapsed. At the same time, the base plate 32 continues to move downwards and is caught by the stroke limiting device 1. The rotating device 5 and the bottom plate 32 are also separated, and the die opening is completed.

Referring to fig. 7 and 8, a third embodiment of the present invention is:

in addition to the two-color pin mold according to the first or second embodiment, as shown in fig. 7 and 8, the stroke limiting device 1 includes a face plate 11 and a limiting member 12. The end of the limiting member 12, the end of the push rod 31 far away from the bottom plate 32, and the end of the push rod 31 far away from the bottom plate 32 are all fixed on the panel 11, and the limiting member 12 is fixedly connected with the bottom plate 32 after the injection space 15 is disassembled. Specifically, the stopper 12 includes a connecting portion 13 and a snap portion 14. The bottom plate 32 is provided with a through groove 10, one end of the connecting portion 13 penetrates through the through groove 10 to be fixedly connected with the panel 11, and the other end of the connecting portion 13 is fixedly connected with the clamping portion 14. The clamping portion 14 is fixedly connected with the bottom plate 32 after the injection space 15 and the injection space 15 are disassembled.

In this embodiment, specifically, the limiting member 12 may be engaged with the through slot 10 by using a T-shaped component such as a screw.

In summary, the utility model discloses a two-color nail column mold, during injection molding, a rotating device with a bottom plate is used to move, a guide column on a push rod enters a guide groove and pushes a slide block, a female mold and a male mold form an injection molding space for mold closing, after injection molding is completed, the rotating device is moved to push the guide column out of the guide groove, the slide block is reset by a reset spring, the injection molding space is collapsed, the bottom plate is fixed under the cooperation of a limiting part and a panel, the bottom plate is separated from the rotating device, a nail column part which is left on one male mold and has completed one injection molding is obtained, at the moment, the rotating device enables the two male molds to exchange positions, the nail column male mold which has completed one injection molding is closed with the other female mold, the injection molding process is repeated, the nail column part which has completed one injection molding completes the second injection molding with different materials, namely, the same injection mold can inject two materials, the injection molding cost is reduced.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the contents of the present specification and the drawings, or applied to the related technical fields directly or indirectly, are included in the scope of the present invention.

Claims (10)

1. The bicolor nail column mold is characterized by comprising two stroke limiting devices, two female molds with different structures, two female mold matching mechanisms with the same structure and a rotating device for placing two male molds with the same structure;

the two female dies are respectively and correspondingly connected with one of the female die matching mechanisms;

the female die matching mechanism comprises a push rod and a bottom plate for placing the female die;

the rotating device is detachably connected with the bottom plates, the rotating device simultaneously drives the two bottom plates to slide back and forth with the corresponding push rods along the direction of the column hole of the nail column, and the push rods respectively control the corresponding female dies to correspond to the corresponding male dies to form or collapse injection molding spaces when sliding;

when the corresponding injection molding space is collapsed, the two bottom plates are fixedly connected with the corresponding stroke limiting devices, so that the rotating device is separated from the two bottom plates simultaneously;

the rotation tracks of the two male dies on the rotating device are the same.

2. The bicolor spike post die as claimed in claim 1, wherein the bottom plate is provided with a slide block and a return spring;

the sliding blocks are slidably arranged on the bottom plate, the sliding blocks are respectively fixedly connected with one end of the return spring and the corresponding female die, the other end of the return spring is fixedly connected with the bottom plate, and the push rod controls the corresponding female die and the corresponding male die to form an injection molding space through the sliding blocks and compresses the return spring when sliding.

3. The bicolor spike post mold of claim 2, wherein a guide groove is formed in the sliding block, a guide post matched with the guide groove is arranged at one end, close to the guide groove, of the push rod, and the guide post enters the guide groove when sliding and correspondingly pushes the sliding block to enable the corresponding female mold and the corresponding male mold to form the injection molding space.

4. The bicolor nailing post mold of claim 3, wherein the number of the push rods, the sliding blocks and the return springs on each female mold matching mechanism is two, and the two sliding blocks are correspondingly connected with two components of one female mold.

5. The bicolor post mold of claim 1, wherein the travel limiting device comprises a face plate and a stop;

the locating part, the one end that the bottom plate was kept away from to the push rod and the one end that the bottom plate was kept away from to the push rod all is fixed in on the panel, the locating part is in after the space of moulding plastics collapses with bottom plate fixed connection.

6. The bicolor post mold according to claim 5, wherein the limiting member comprises a connecting portion and a clamping portion;

a through groove is formed in the bottom plate, one end of the connecting part penetrates through the through groove to be fixedly connected with the panel, and the other end of the connecting part is fixedly connected with the clamping part;

the clamping portion is fixedly connected with the bottom plate after the injection molding space and the injection molding space are collapsed.

7. The bicolor nail column die according to claim 1, wherein a clamping piece is arranged on the bottom plate, and a groove is arranged on the rotating device at a position corresponding to the clamping piece;

the clamping piece is connected with the groove in an interference fit mode.

8. The bicolor post mold of claim 1, wherein the rotating means includes a turntable and a drive means;

the turntable is fixed at the movable end of the driving device;

the two male dies are distributed on the turntable.

9. The bicolor post mold of claim 1, wherein one of the female molds is provided with a raised structure;

the protruding structure is used for forming a yielding space on the surface of the nail post, and the yielding space, the female die and the male die form the injection molding space.

10. The bicolor post mold of claim 1, further comprising a stroke control mechanism;

the stroke control mechanism is connected with the rotating device and is used for controlling the rotating device to move along the column hole direction of the nail column.

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