CN216607449U

CN216607449U - Condenser pipe grooving machine

Info

Publication number: CN216607449U
Application number: CN202123452955.5U
Authority: CN
Inventors: 华盛良; 陈燕萍; 华宇涛
Original assignee: Jiangyin Snaike Technology Co ltd
Current assignee: Jiangyin Snaike Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-27
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a condenser pipe grooving machine, which comprises: the frame and rack-mounted first removal portion, location portion, first mounting bracket, the drive division, the cooling part, saw blade portion and supporting part, be equipped with first clamping part on the first removal portion, second clamping part and limited supporting part, it sets up in the middle of first clamping part and second clamping part to prescribe a limit to the supporting part, location portion sets up in first clamping part one side, connect saw blade portion through the bearing on the first mounting bracket, the one end and the drive saw blade portion of saw blade portion are connected to the drive division rotate, the other end of saw blade portion is equipped with the supporting part, support the supporting part or keep away from the saw blade portion, the cooling part sets up between first mounting bracket and supporting part, the cooling part is located the below of saw blade portion, first clamping part, second clamping part and prescribe a limit to the supporting part all can be close to or keep away from the saw blade portion. The utility model aims to provide a condenser pipe grooving machine which is reasonable in structure, high in machining efficiency, stable in clamping, accurate in positioning and free of scraps from splashing.

Description

Condenser pipe grooving machine

Technical Field

The utility model relates to the field of condenser processing equipment, in particular to a condenser pipe grooving machine.

Background

Automotive condensers are components of automotive air conditioning systems that radiate heat from tubes into the surrounding air in a rapid manner, with most condensers being located at the front end of the radiator of an automobile. The condenser transfers the heat absorbed in the evaporator to the medium to be carried away together with the heat energy converted by the effect. The conventional structure of the existing condenser comprises a condenser pipe, a plurality of radiating fins and pipelines, wherein the condenser pipe is provided with a plurality of grooves at equal intervals, the radiating fins are inserted between the condenser pipes which are arranged in parallel, and the pipelines are communicated with the condenser pipe and used for conveying condensing agents.

In the existing process of slotting the condenser pipe, the slotting of the condenser pipe is performed by adopting an artificial saw blade, the machining mode and the machining equipment are low in efficiency firstly, then the slotting position and the slotting depth are not accurate, and finally the cut metal chips fly in disorder.

The existing pipe body clamp is poor in clamping effect and inaccurate in positioning position.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide the condenser pipe grooving machine which is reasonable in structure, high in machining efficiency, stable in clamping, accurate in positioning, wide in application range and free of splashing of chips.

According to an aspect of the present invention, there is provided a condensation duct grooving machine, including: the frame and rack-mounted first removal portion, location portion, first mounting bracket, the drive division, the cooling part, saw blade portion and supporting part, be equipped with first clamping part on the first removal portion, second clamping part and limited supporting part, it sets up in the middle of first clamping part and second clamping part to prescribe a limit to the supporting part, location portion sets up in first clamping part one side, connect saw blade portion through the bearing on the first mounting bracket, the one end and the drive saw blade portion of saw blade portion are connected to the drive division rotate, the other end of saw blade portion is equipped with the supporting part, support the supporting part or keep away from the saw blade portion, the cooling part sets up between first mounting bracket and supporting part, the cooling part is located the below of saw blade portion, first clamping part, second clamping part and prescribe a limit to the supporting part all can be close to or keep away from the saw blade portion.

In some embodiments, the first clamping portion includes a second mounting frame, a first driving member and a pipe clamp, the first driving member and the pipe clamp are both disposed on the second mounting frame, the output end of the first driving member is connected to the pipe clamp, the first driving member drives the pipe clamp to open and close, and the first clamping portion and the second clamping portion are identical in structure.

In some embodiments, the pipe clamp includes a first jaw, a second jaw, a guide portion, and a limiting screw, the first jaw is fixedly connected to the second mounting frame, the guide portion is disposed between the first jaw and the second jaw, the second jaw is provided with a first guide slot, the limiting screw is vertically fixed to the first jaw, the limiting screw passes through the first guide slot, and the second jaw is connected to the first driving member.

In some embodiments, the guide part comprises a second guide groove arranged at the top of the first clamping jaw and a guide protrusion arranged at the bottom of the second clamping jaw, the guide protrusion is matched with the second guide groove, a first arc surface is arranged at the front end of the first clamping jaw, a second arc surface is arranged at the front end of the second clamping jaw, and a side edge of the first clamping jaw is fixedly connected with the limiting piece.

In some embodiments, location portion includes third mounting bracket, first mounting hole, locating lever and fastening bolt, is equipped with first mounting hole on the third mounting bracket, and the locating lever is inserted in first mounting hole, and fastening bolt passes first mounting hole and supports the locating lever and prescribes a limit to the position of locating lever.

In some embodiments, the limiting support portion includes a fourth mounting bracket and a support block, and a front end of the support block has a third arc surface.

In some embodiments, the first moving portion includes two first linear rails arranged in parallel, and a first slider, a second slider and a third slider sleeved on the first linear rails, the first clamping portion is fixed on the top of the first slider, the second clamping portion is fixed on the top of the third slider, the limiting support portion is fixed on the top of the second slider, and the first slider, the second slider and the third slider can be fixed on the first linear rails through bolts.

In some embodiments, the blade portion comprises: the saw blade is provided with at least one spacer block, the spacer blocks separate the saw blade, the outer wall of the other end of the rotating shaft is provided with a threaded locking nut which is connected with the rotating shaft to limit the saw blade and the spacer, and one end of the rotating shaft, which is far away from the limiting part, is provided with a supporting hole;

the limiting part comprises a limiting block and a locking wrench, the limiting block is fixed at the end part of the rotating shaft, the locking wrench is hinged on the installation part, a locking groove is arranged on the locking wrench, the locking groove is consistent with the limiting block in shape, and the locking wrench limits the rotating shaft to rotate.

In some embodiments, the driving part comprises a first motor, a speed reducer and a driven gear, wherein the output end of the first motor is connected with the speed reducer, the driven gear is connected to the outer wall of the rotating shaft through a key, and the speed reducer is connected with the driven gear;

the cooling part comprises a liquid groove, a splash cover and a cooling liquid pump, the splash cover is hinged to the liquid groove, an outlet of the cooling liquid pump is arranged in the liquid groove, the saw blade and the partition block are arranged between the liquid groove and the splash cover, and the liquid groove and the splash cover are fixedly connected through a buckle.

In some embodiments, the supporting portion includes a second moving part and a thimble, the second moving part drives the thimble to be far away from or close to the rotating shaft, the thimble props against the supporting hole, the second moving part includes a second driving part, a second linear rail, a fourth slider and a first mounting seat, the fourth slider is sleeved on the second linear rail, the first mounting seat is fixedly arranged on the fourth slider, an output end of the second driving part is connected with the first mounting seat and drives the first mounting seat to make a linear reciprocating motion on the second linear rail, and the thimble is fixedly arranged on the first mounting seat.

Compared with the prior art, the condenser pipe grooving machine disclosed by the utility model comprises the following components: the automatic chip-removing machine has the beneficial effects of reasonable structure, high processing efficiency, stable clamping, accurate positioning, wide application range and no chip splashing; the first clamping part, the second clamping part and the limiting support part move on the first moving part, so that the slotting of pipe bodies with different lengths can be adapted, the slotting position of the pipe bodies can be adjusted, and the limiting piece is inserted in a pre-arranged groove during clamping to limit the first position; restraining the tubular body with the forward ends of the first jaw and the second jaw; limiting the pipe body clamping by using a positioning part to position the length of the pipe body; the second clamping jaw is driven to open and close through the first driving piece, so that the pipe body can be placed or taken down conveniently, and the positioning is accurate; cutting power is applied to the rotating shaft by using the driving part; the distance between the saw blades is accurately controlled by the combination of the rotating shaft, the spacer blocks and the saw blades, and the adjustment is convenient and applicable to the cutting grooves of condenser pipes with different specifications; the supporting part is used for supporting the rotating shaft, so that the groove width is prevented from being influenced by the shaking of the rotating shaft in the cutting process; the cooling part is used for reducing the temperature of the saw blade, so that the service life of the saw blade is prolonged, and meanwhile, the metal scraps are prevented from splashing.

Drawings

FIG. 1 is a schematic structural view of a condenser tube groover according to the present invention;

FIG. 2 is a schematic structural view of a first clamping portion of the condenser tube grooving machine according to the present invention;

FIG. 3 is a cross-sectional view of a first clamping section of the condenser tube slotter of the present invention;

FIG. 4 is a schematic structural view of a positioning portion of the condenser tube groover of the present invention;

FIG. 5 is a schematic view of a first moving section of the condenser tube slotter of the present invention;

FIG. 6 is an exploded view of a saw blade portion of the condenser tube grooving machine of the present invention;

FIG. 7 is a schematic structural view of a driving part of the condenser tube grooving machine according to the present invention;

FIG. 8 is a schematic view of the cooling section of the condenser tube slotter of the present invention;

fig. 9 is a schematic structural view of a supporting portion of the condensation duct groover of the present invention.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that equivalent changes or substitutions in function, method or structure according to the embodiments are included in the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.

As shown in fig. 1, the present invention provides a condenser grooving machine, which comprises: a frame 1, a first moving part 2, a positioning part 3, a first mounting frame 4 and a driving part 5 which are arranged on the frame, cooling part 6, blade portion 7 and supporting part 8, be equipped with first clamping part 9 on the first removal portion 2, second clamping part 10 and limited supporting part 11, it sets up in the middle of first clamping part 9 and second clamping part 10 to limit supporting part 11, location portion 3 sets up in first clamping part 9 one side, connect blade portion 7 through the bearing on the first mounting bracket 5, the one end of blade portion 7 and the rotation of drive blade portion 7 are connected to drive portion 5, the other end of blade portion 7 is equipped with supporting part 8, supporting part 8 supports or keeps away from blade portion 7, cooling part 6 sets up between first mounting bracket 4 and supporting part 8, cooling part 6 is located the below of blade portion 7, first clamping part 9, second clamping part 10 and limited supporting part 8 all can be close to or keep away from blade portion 7. The first clamping part 9, the second clamping part 10 and the limiting support part 11 move on the first moving part 2, so that the slotting of pipe bodies with different lengths can be adapted, the slotting position of the pipe bodies can be adjusted, and the limiting piece 913 is inserted into a pre-arranged groove during clamping to limit the first position; the tubular body is confined by the front ends of the first jaw 94 and the second jaw 95; limiting the pipe body clamping by using a positioning part to position the length of the pipe body; the second clamping jaw 95 is driven to open and close through the first driving piece 92, so that the pipe body can be placed or taken down conveniently, and the positioning is accurate; by using the driving part 5 as the rotating shaft 71; the distance between the saw blades 72 is accurately controlled by the combination of the rotating shaft 71, the spacer blocks 73 and the saw blades 72, and the adjustment is convenient for adapting to the cutting grooves of the condensation pipes with different specifications; the supporting part is used for supporting the rotating shaft 71, so that the rotating shaft 71 is prevented from shaking to influence the groove width in the cutting process; reducing the temperature of the saw blade 72 by the cooling portion 6 improves the life of the saw blade 72 while preventing metal chips from splashing.

As shown in fig. 2, the first clamping portion 9 includes a second mounting frame 91, a first driving member 92 and a pipe clamp 93, the first driving member 92 and the pipe clamp 93 are both disposed on the second mounting frame 91, an output end of the first driving member 92 is connected to the pipe clamp 93, the first driving member 92 drives the pipe clamp 93 to open and close, and the first clamping portion 9 and the second clamping portion have the same structure.

The pipe body clamp 93 comprises a first clamping jaw 94, a second clamping jaw 95, a guide part 96 and a limiting screw rod 97, the first clamping jaw 94 is fixedly connected to the second mounting frame 91, the guide part 96 is arranged between the first clamping jaw 94 and the second clamping jaw 95, a first guide groove 98 is arranged on the second clamping jaw 95, the limiting screw rod 97 is vertically fixed on the first clamping jaw 94, the limiting screw rod 97 penetrates through the first guide groove 98, and the second clamping jaw 95 is connected with the first driving piece 92. The first guide groove 98 and the guide part 96 define a moving path of the second clamping jaw 95, and the second clamping jaw 95 moves above the first clamping jaw 94 under the pushing of the first driving piece 92 to realize the opening and closing of the first arc surface 911 and the second arc surface 912, so that a pipe body can be placed or taken down conveniently. The screw is provided on the limit screw 97, and the screw has a small clearance with the second jaw 95, which does not affect the movement of the second jaw 95 and prevents the second jaw 95 from disengaging from the first jaw 94.

As shown in fig. 3, the guide portion 96 includes a second guide groove 99 disposed at the top of the first clamping jaw 94 and a guide protrusion 910 disposed at the bottom of the second clamping jaw 95, the guide protrusion 910 is engaged with the second guide groove 99, a first arc surface 911 is disposed at the front end of the first clamping jaw 94, a second arc surface 912 is disposed at the front end of the second clamping jaw 95, and a side of the first clamping jaw 94 is fixedly connected with a limiting piece 913. The first guide groove 98 and the limiting screw 97 are used for guiding, the second clamping jaw 95 is easy to be skewed under the driving of the first driving piece 9, and the position of the second clamping jaw 95, which is completely limited by the guide protrusion 910 and the second guide groove 99, is increased. The first arc surface 911 and the second arc surface 912 are arcs close to a semicircle, and the first arc surface 911 and the second arc surface 912 are combined to be approximately circular so as to be convenient for clamping the pipe body.

As shown in fig. 4, the positioning portion 3 includes a third mounting frame 31, a first mounting hole 32, a positioning rod 33 and a fastening bolt 34, the third mounting frame 31 is provided with the first mounting hole 32, the positioning rod 33 is inserted into the first mounting hole 32, and the fastening bolt 34 passes through the first mounting hole 32 and abuts against the positioning rod 33 and limits the position of the positioning rod 33. The length of the positioning rod 33 extending out is adjusted through the matching of the fastening bolt 34 and the first mounting hole 32, and one end of the positioning rod 33 close to the first clamping part 9 supports against the pipe body needing to be grooved, so that the length of the pipe body needing to be grooved is positioned.

The limiting support 11 includes a fourth mounting bracket 41 and a support block 42, and a front end of the support block 42 has a third arc surface 43. The third arc 43 is used to further define and support the tube.

As shown in fig. 5, the first moving portion 2 includes two first wire rails 21 arranged in parallel, and a first slider 22, a second slider 23, and a third slider 24 sleeved on the first wire rail 21, the first clamping portion 9 is fixed on the top of the first slider 22, the second clamping portion is fixed on the top of the third slider 24, the limiting support portion is fixed on the top of the second slider 23, and the first slider 22, the second slider 23, and the third slider 24 can be fixed on the first wire rail 21 by bolts. By using the first clamping part 9, the second clamping part 10 and the limiting support part 11 to move on the first moving part 2, the slotting of pipe bodies with different lengths can be adapted.

As shown in fig. 6, the blade portion 7 includes: the cutting tool comprises a rotating shaft 71, a saw blade 72, a plurality of spacing blocks 73, a locking nut 74 and a limiting part 75, wherein one end of the rotating shaft 71 is connected with the limiting part 75, the saw blade 72 and the spacing pieces are sleeved on the rotating shaft 71, at least one saw blade 72 is arranged, the spacing blocks 73 are arranged in a plurality, the saw blade 72 is divided by the spacing blocks 73, the outer wall of the other end of the rotating shaft 71 is provided with the threaded locking nut 74 which is connected with the rotating shaft 71 to limit the saw blade 72 and the spacing pieces, and one end of the rotating shaft 71, which is far away from the limiting part 75, is provided with a supporting hole; in order to facilitate the calculation of the width of the spacing blocks 73 to be set to be 100mm, 50mm, 20mm, 10mm and the like, the distance between the slots required to be adjusted is that the spacing blocks 73 are selected according to specific sizes to set the distance between the saw blades 72, meanwhile, the number of the saw blades 72 is determined according to the number of the slots required, and the positions of the spacing blocks 73 and the saw blades 72 are limited by the locking nuts 74.

The limiting part 75 comprises a limiting block 76 and a locking wrench 77, the limiting block 76 is fixed at the end of the rotating shaft 71, the locking wrench 77 is hinged on the mounting part, a locking groove is arranged on the locking wrench 77, the locking groove is consistent with the limiting block 76 in shape, and the locking wrench 77 limits the rotating shaft 71 to rotate. When the number of the saw blades 72 and the position between the saw blades 72 need to be adjusted, the lock nut 74 needs to be loosened in advance, and thus the position of the rotating shaft 71 needs to be defined, and thus the position of the rotating shaft 71 is defined by catching the stopper 7 by the lock wrench 77, which facilitates the loosening of the lock nut 74. The locking wrench 77 must be disengaged from the stopper 76 when performing grooving.

As shown in fig. 7, the driving part 5 includes a first motor 51, a speed reducer 52 and a driven gear 53, wherein the output end of the first motor 51 is connected with the speed reducer 52, the driven gear 53 is connected with the outer wall of the rotating shaft 71 through a key, and the speed reducer 52 is connected with the driven gear 53; the first motor 51 is used to drive the speed reducer 52, and finally the driven gear 53 is used to drive the rotating shaft 51 to rotate, although the first motor 51, the synchronous belt and the belt pulley can also be used to directly drive the rotating shaft 71 to rotate, the optimal scheme is still to drive the rotating shaft through the speed reducer 52 under the condition that the number of the saw blades 72 is large.

As shown in fig. 8, the cooling portion 6 includes a liquid tank 61, a splash cover 62, and a coolant pump 63, the splash cover 62 is hinged to the liquid tank 61, an outlet of the coolant pump 63 is provided in the liquid tank 61, a saw blade 72 and a spacer 73 are provided between the liquid tank 61 and the splash cover 62, and the liquid tank 61 and the splash cover 62 are fixedly connected by a snap fit. The coolant is pumped into the liquid tank 61 by the coolant pump 63, the height of the liquid level needs to be higher than the bottom of the saw blade 72 but lower than the bottom of the spacer 73, and the cooling part 6 is used to reduce the temperature of the saw blade 72, thereby prolonging the service life of the saw blade 72 and preventing metal chips from splashing.

As shown in fig. 9, the supporting portion 8 includes a second moving member 81 and a thimble 82, the second moving member 81 drives the thimble 82 to move away from or close to the rotating shaft 71, the thimble 82 props against the supporting hole, the second moving member 81 includes a second driving member 83, a second wire track 84, a fourth slider 85 and a first mounting seat 86, the fourth slider 85 is sleeved on the second wire track 84, the first mounting seat 86 is fixedly disposed on the fourth slider 85, an output end of the second driving member 83 is connected to the first mounting seat 86 and drives the first mounting seat 86 to reciprocate linearly on the second wire track 84, and the thimble 82 is fixedly disposed on the first mounting seat 86. The second driving member 83 is a cylinder, and drives the first mounting seat 86 to slide on the wire track by compressed air, and finally drives the thimble 82 to abut against the supporting hole, and the thimble 82 abuts against the supporting hole to prevent the rotating shaft 71 from shaking during the rotation process.

The foregoing describes only some embodiments of the present invention and modifications and variations thereof will be apparent to those skilled in the art without departing from the spirit and scope of the utility model.

Claims

1. Condenser pipe groover, its characterized in that includes: the saw blade device comprises a frame, and a first movable portion, a positioning portion, a first mounting frame, a driving portion, a cooling portion, a saw blade portion and a supporting portion which are installed on the frame, wherein a first clamping portion, a second clamping portion and a limited supporting portion are arranged on the first movable portion, the limited supporting portion is arranged between the first clamping portion and the second clamping portion, the positioning portion is arranged on one side of the first clamping portion, the saw blade portion is connected to the first mounting frame through a bearing, the driving portion is connected with one end of the saw blade portion and drives the saw blade portion to rotate, the other end of the saw blade portion is provided with the supporting portion, the supporting portion supports or keeps away from the saw blade portion, the cooling portion is arranged between the first mounting frame and the supporting portion, the cooling portion is located below the saw blade portion, and the first clamping portion, the second clamping portion and the limited supporting portion can be close to or far away from the saw blade portion.

2. The condenser tube grooving machine of claim 1, wherein the first clamping portion comprises a second mounting frame, a first driving member and a tube clamp, the first driving member and the tube clamp are both disposed on the second mounting frame, an output end of the first driving member is connected with the tube clamp, the first driving member drives the tube clamp to open and close, and the first clamping portion and the second clamping portion are identical in structure.

3. The condenser tube grooving machine of claim 2, wherein the tube clamp comprises a first clamping jaw, a second clamping jaw, a guide portion and a limiting screw, the first clamping jaw is fixedly connected to the second mounting frame, the guide portion is arranged between the first clamping jaw and the second clamping jaw, the second clamping jaw is provided with a first guide groove, the limiting screw is vertically fixed to the first clamping jaw, the limiting screw penetrates through the first guide groove, and the second clamping jaw is connected to the first driving member.

4. The condenser tube grooving machine according to claim 3, wherein the guide portion comprises a second guide groove formed in the top of the first clamping jaw and a guide protrusion formed in the bottom of the second clamping jaw, the guide protrusion is matched with the second guide groove, a first arc surface is arranged at the front end of the first clamping jaw, a second arc surface is arranged at the front end of the second clamping jaw, and a side edge of the first clamping jaw is fixedly connected with the limiting piece.

5. The condenser tube groover of claim 1, wherein the positioning portion comprises a third mounting frame, a first mounting hole, a positioning rod and a fastening bolt, the third mounting frame is provided with the first mounting hole, the positioning rod is inserted into the first mounting hole, and the fastening bolt penetrates through the first mounting hole to abut against the positioning rod and limit the position of the positioning rod.

6. The condenser groover of claim 1, wherein the limiting support comprises a fourth mounting bracket and a support block, a front end of the support block having a third arcuate surface.

7. The condenser tube grooving machine according to claim 1, wherein the first moving portion comprises two first wire rails arranged in parallel, and a first slider, a second slider and a third slider sleeved on the first wire rails, the first clamping portion is fixed on a top of the first slider, the second clamping portion is fixed on a top of the third slider, the limiting support portion is fixed on a top of the second slider, and the first slider, the second slider and the third slider can be fixed on the first wire rails by bolts.

8. The condenser tube notching machine of claim 1, wherein the saw blade portion comprises: the saw blade limiting device comprises a rotating shaft, saw blades, a plurality of partition blocks, a locking nut and a limiting part, wherein one end of the rotating shaft is connected with the limiting part, the saw blades and a spacer are sleeved on the rotating shaft, at least one saw blade is arranged, the partition blocks divide the saw blades, the outer wall of the other end of the rotating shaft is provided with a threaded locking nut which is connected with the rotating shaft to limit the saw blades and the spacer, and one end of the rotating shaft, which is far away from the limiting part, is provided with a supporting hole;

the limiting part comprises a limiting block and a locking wrench, the limiting block is fixed at the end of the rotating shaft, the locking wrench is hinged to the installation part, a locking groove is formed in the locking wrench, the locking groove is consistent with the limiting block in shape, and the locking wrench limits the rotating shaft to rotate.

9. The condenser grooving machine according to claim 8, wherein the driving part comprises a first motor, a speed reducer and a driven gear, an output end of the first motor is connected with the speed reducer, the driven gear is connected to an outer wall of the rotating shaft through a key, and the speed reducer is connected with the driven gear;

the cooling portion includes liquid tank, splashproof lid and coolant liquid pump, the splashproof lid articulates on the liquid tank, the export setting of coolant liquid pump is in the liquid tank, saw bit and spacer setting are between liquid tank and splashproof lid, through buckle fixed connection between liquid tank and the splashproof lid.

10. The condenser tube grooving machine of claim 9, wherein the support portion comprises a second moving part and a thimble, the second moving part drives the thimble to be far away from or close to the rotating shaft, the thimble abuts against the support hole, the second moving part comprises a second driving piece, a second line rail, a fourth slider and a first mounting seat, the fourth slider is sleeved on the second line rail, the first mounting seat is fixedly arranged on the fourth slider, an output end of the second driving piece is connected with the first mounting seat and drives the first mounting seat to perform linear reciprocating motion on the second line rail, and the thimble is fixedly arranged on the first mounting seat.