CN113526084A

CN113526084A - Reversing equipment for machining conical pipe fitting

Info

Publication number: CN113526084A
Application number: CN202110844215.1A
Authority: CN
Inventors: 胡从玉; 钱武清; 晋罗军; 郭爱花; 钱元军
Original assignee: Laian Eternal Machining Co ltd
Current assignee: Laian Eternal Machining Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-10-22

Abstract

The invention discloses reversing equipment for processing a conical pipe fitting, which comprises a first conveying seat, a U-shaped reversing component and a second conveying seat which are sequentially arranged along the conveying direction of a conical pipe, wherein a plurality of bearing components are arranged on the first conveying seat, each bearing component comprises two opposite bearing wheels, and each U-shaped reversing component comprises a U-shaped framework and a conveying belt moving on the surface of the U-shaped framework; when the tapered pipe passes through the first conveying seat with the larger-diameter end, the larger-diameter end of the tapered pipe falls into the U-shaped reversing component. According to the reversing equipment for processing the conical pipe fitting, the small end of the conical pipe fitting is in the front direction in the conveying process, then the conveying assembly arranged on the second conveying seat is matched with the bearing assembly at the outermost edge of the second conveying seat, the reversed conical pipe fitting can be conveyed to the second conveying seat, the conical pipe fitting can be conveniently conveyed into quenching equipment, and the quenching efficiency of the conical pipe fitting is improved.

Description

Reversing equipment for machining conical pipe fitting

Technical Field

The invention relates to the technical field of pipe fitting machining, in particular to reversing equipment for machining a conical pipe fitting.

Background

As is known, in order to improve the hardness and strength of a metal part, quenching, commonly known as fire dipping, is a heat treatment process for metal and glass, wherein quenching is to heat an alloy product or glass to a certain temperature and then rapidly cool the alloy product or glass in water, oil or air containing mineral substances so as to improve the hardness and strength of the alloy, and when the conventional steel pipe is quenched, the steel pipes need to be conveyed into quenching equipment one by using guide equipment so as to facilitate the normal processing of the quenching equipment, but during the quenching process, conical pipe fittings are often processed.

For example, the chinese patent with the name of "201921433624.7" is a sheet metal processing device for tapered tubes, which makes the sheet metal processing of tapered tubes have good fixing effect and avoids the occurrence of dangerous situations such as springback and displacement during processing.

The shortcoming of prior art is in, and quenching equipment when quenching, need at first inject the microcephaly of toper pipe fitting into the quenching hole, can be comparatively convenient quench machining to toper pipe fitting, but current quenching guiding equipment is when leading, the toper pipe fitting that the toper piece after the processing has part is that the major part leads in the front and carries, thereby very big increase the transport difficulty, still need the manual work to come the direction change of toper pipe fitting, and not only inefficiency, and labour cost is high moreover.

Disclosure of Invention

The invention aims to provide reversing equipment for machining a conical pipe fitting, which is used for solving the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme:

a pipe reversing device comprises a first conveying seat, a U-shaped reversing assembly and a second conveying seat which are sequentially arranged along the conveying direction of a conical pipe, wherein a plurality of bearing assemblies are arranged on the first conveying seat, and each bearing assembly comprises two opposite bearing wheels;

the U-shaped reversing assembly comprises a U-shaped framework and a conveyor belt moving on the surface of the U-shaped framework; when the conical pipe fitting passes through the first conveying seat with a larger-diameter end, the larger-diameter end of the conical pipe fitting falls into the U-shaped reversing assembly, and the rotation reversing is realized under the combined action of the driving of the conveyor belt and the tail end of the first conveying seat.

Preferably, the U-shaped frame includes a plurality of second conveying guide wheels and a plurality of first conveying guide wheels disposed on the fixing plate, each of the first conveying guide wheels and the second conveying guide wheels forms a U-shaped conveying area, and the conveying belt is sequentially wound around the first conveying guide wheels and the second conveying guide wheels along the U-shaped conveying area.

Preferably, one of the first conveying guide wheels is arranged below the tail end of the first conveying seat, and one of the first conveying guide wheels is arranged at the initial end of the second conveying seat.

Preferably, the conveying assembly is arranged above the second conveying seat and is used for receiving and conveying the reversed conical pipe fitting so that the conical pipe fitting is conveyed to the bearing guide wheel on the second conveying seat.

Preferably, the conveying assembly is arranged on a fixed side plate on the second conveying seat, the conveying assembly comprises two guide wheel discs arranged on the fixed side plate in a sliding mode and supporting wheels arranged on the two fixed side plates in a rotating mode, the supporting wheels and the guide wheel discs are in transmission connection through a transmission assembly, and when the supporting wheels receive the conical pipe fitting, the two guide wheel discs can be driven to be folded through a transmission assembly, so that the conical pipe fitting can be guided.

Preferably, the two shaft levers of the supporting wheel are both provided with a buffer assembly, and the buffer assembly comprises a spring column fixedly arranged on the shaft lever and a third elastic part sleeved on the outer side of the spring column.

Preferably, the transmission assembly comprises a sleeve sleeved on the guide wheel disc shaft rod and a shifting fork piece, one end of the shifting plug-in unit is rotatably arranged on the sleeve, and the shifting fork piece is obliquely arranged on the fixed side plate.

The shaft levers on the two sides of the supporting wheel are movably provided with idler wheels, and the idler wheels are arranged in transmission grooves formed in the shifting fork piece in a rolling mode.

Preferably, the shifting fork piece is movably arranged on the fixed side plate through a connecting shaft sleeve, and the connecting shaft sleeve is movably arranged on an arc-shaped groove formed in the fixed side plate.

Preferably, a limiting convex column is arranged on the belt surface of the conveyor belt and can be inserted into the pipe hole of the conical pipe fitting.

Preferably, the fixed side plate is provided with a buffer slot in an inclined manner, and the end part of the spring column is arranged in the buffer slot in a sliding manner.

In the technical scheme, the reversing equipment for machining the conical pipe fitting, provided by the invention, has the beneficial effects that:

according to the invention, the U-shaped reversing assembly is arranged between the first conveying seat and the second conveying seat, then the conveying direction of the conical pipe fitting is changed under the combined action of the U-shaped reversing assembly and the first conveying seat, if the conveying of the conical pipe fitting with the large head in front is met, the larger-diameter end of the conical pipe fitting falls onto the conveying belt on the U-shaped reversing assembly due to the gravity of the conical pipe fitting, then the conical pipe fitting is conveyed by the conveying belt to be driven to move towards the first conveying seat, so that the direction of the conical pipe fitting can be changed, the small head direction of the conical pipe fitting is in front, the conical pipe fitting is conveyed, and therefore, the conical pipe fitting does not need to be conveyed and reversed manually, the labor cost is reduced, the conical pipe fitting can be conveniently conveyed into quenching equipment, and the quenching efficiency of the conical pipe fitting is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic structural view of a first conveying base and a second conveying base according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second conveying base and a U-shaped reversing assembly according to an embodiment of the present invention;

fig. 3 is a schematic plan view of a first conveying base and a second conveying base according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the first conveying seat and the second conveying seat when the tapered pipe provided by the embodiment of the present invention is poured onto the second conveying seat;

fig. 5 is a schematic structural diagram of a U-shaped reversing assembly and a fixing plate according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a fixing side plate according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a idler plate and a drive assembly provided in accordance with an embodiment of the present invention;

FIG. 8 is a schematic structural view of a fork member and a sleeve according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a transfer module according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a location B-B according to an embodiment of the present invention

FIG. 11 is a schematic structural diagram provided in accordance with an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of another perspective provided by the embodiment of the present invention;

FIG. 13 is a schematic cross-sectional view taken along line A-A of the case according to the embodiment of the present invention;

FIG. 14 is a schematic structural view of a rotary rod according to an embodiment of the present invention;

FIG. 15 is a schematic side view of a rotary rod according to an embodiment of the present invention;

fig. 16 is a schematic structural diagram of a fixing block according to an embodiment of the present invention;

FIG. 17 is a schematic structural view of a first transporting base and a wheel of a loading wheel according to an embodiment of the present invention;

FIG. 18 is a schematic view of a clamping member and a driving post according to an embodiment of the present invention;

FIG. 19 is a schematic cross-sectional view of a clip according to an embodiment of the present invention;

FIG. 20 is an enlarged schematic view of FIG. 9 at A according to an embodiment of the present invention;

FIG. 21 is a schematic view of a barrier member according to an embodiment of the present invention;

FIG. 22 is a schematic view of a barrier member according to an embodiment of the present invention;

FIG. 23 is a schematic structural view of a friction surface assembly provided in accordance with an embodiment of the present invention;

FIG. 24 is a schematic structural diagram of a second wedge-shaped block and a pressing block according to an embodiment of the present invention;

FIG. 25 is a cross-sectional view of a friction surface assembly according to an embodiment of the present invention;

FIG. 26 is a schematic structural view of a barrier member according to an embodiment of the present invention;

FIG. 27 is a cross-sectional view of a load-bearing idler according to an embodiment of the present invention;

description of reference numerals:

1. a box body; 2. a feeding box; 3. a barrier member; 4. a friction plate; 5. rotating the stick; 6. meshing teeth; 7. a drive post; 9. a first extrusion block; 91. a first hinge lever; 92. a pressing handle; 10. a second extrusion block; 1001. a second hinge lever; 1002. a first elastic member; 1003. a first wedge block; 11. an arc-shaped protrusion; 21. a first conveying base; 211. a load wheel; 2111. a bearing guide wheel; 212. a spin column; 31. a first support column; 32. a second support column; 41. connecting columns; 42. a second elastic member; 43. briquetting; 44. a second wedge block; 441. inserting a rod; 4411. a stopper; 45. shifting blocks; 51. a fixed block; 511. a convex portion; 71. a transmission gear; 72. a clamping member; 721. a carrier plate; 7201. a large mouth part; 7202. a small mouth part.

12. A second conveying seat; 121. a baffle plate; 13. fixed side plates, 131 and a guide wheel disc; 1311. a sleeve; 1312. a fork member; 1313. connecting the shaft sleeve; 1314. a first contact; 1315. a second contact; 132. a support wheel; 1321. a third elastic member; 1322. a spring post; 1323. a roller; 1301. an arc-shaped slot; 1302. a transmission groove; 1303. a buffer tank; 14. a fixing plate; 15. a conveyor belt; 151. a limiting convex column; 152. a first conveying guide wheel; 153. and a second conveying guide wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Referring to fig. 1-27, a pipe reversing apparatus includes a first conveying base 21, a U-shaped reversing assembly, and a second conveying base 12, which are sequentially arranged along a conveying direction of a tapered pipe, wherein the first conveying base 21 is provided with a plurality of bearing assemblies, and each bearing assembly includes two oppositely arranged bearing wheels 211;

the U-shaped reversing assembly comprises a U-shaped framework and a conveyor belt 15 moving on the surface of the U-shaped framework; when the conical pipe passes through the first conveying seat 21 with the end with the larger diameter, the end with the larger diameter falls into the U-shaped reversing component, the rotation reversing is realized under the combined action of the driving of the conveying belt 15 and the tail end of the first conveying seat 21, the conveying direction of the conical pipe is changed by arranging the conveying belt 15 for reversing between the first conveying seat 21 and the second conveying seat 12 and arranging the U-shaped reversing component between the first conveying seat 21 and the second conveying seat 12 and under the combined action of the U-shaped reversing component and the first conveying seat, if the conveying condition that the large head is in front is met, the larger diameter end of the conical pipe falls onto the conveying belt on the U-shaped reversing component due to the self gravity of the conical pipe, then the conical pipe is driven to move towards the first conveying seat in the conveying process of the conveying belt, so that the direction of the conical pipe can be changed, and the direction of the small head of the conical pipe is in front, the conical pipe fitting quenching device is used for conveying, manual carrying and reversing are not needed, labor cost is reduced, the conical pipe fitting can be conveyed into quenching equipment conveniently, and quenching efficiency of the conical pipe fitting is improved.

Specifically, the U-shaped frame includes a plurality of second conveying guide wheels 153 and a plurality of first conveying guide wheels 152 disposed on the fixing plate 14, each of the first conveying guide wheels 152 and the second conveying guide wheels 153 forms a U-shaped conveying area, and the conveying belt 15 is sequentially wound around the first conveying guide wheels 152 and the second conveying guide wheels 153 along the U-shaped conveying area. As shown in fig. 20, the U-shaped conveying area is the conveying direction of the conveyor belt 15.

In this embodiment, one of the first conveying rollers 152 is disposed below the end of the first conveying seat 21, one of the first conveying rollers 152 is disposed at the initial end of the second conveying seat 12, the position of the conveying belt 15 passes below the first conveying seat 21, and the end of the first conveying seat 21 is disposed with a bearing roller 2111, that is, the position of the conveying belt 15 passes below the bearing roller 2111, so as to facilitate reversing the tapered pipe.

In a further embodiment of the present invention, the present invention further includes a conveying assembly disposed above the second conveying seat 12, wherein the conveying assembly is configured to receive and convey the reversed tapered pipe to convey the tapered pipe to the guide wheel 2111 on the second conveying seat 12.

Further, the conveying assembly is arranged on the fixed side plate 13 on the second conveying seat 12, the conveying assembly comprises two guide wheel discs 131 arranged on the fixed side plate 13 in a sliding mode and supporting wheels 132 arranged on the two fixed side plates 13 in a rotating mode, the supporting wheels 132 and the guide wheel discs 131 are connected through a transmission assembly in a transmission mode, and when the supporting wheels 132 receive the conical pipe fitting, the two guide wheel discs 131 can be driven to be folded through a transmission assembly to guide the conical pipe fitting. The supporting wheels 132 are obliquely arranged on the two fixed side plates 13, when the conical pipe fitting is conveyed by the conveyor belt 15, the conical pipe fitting is poured on the supporting wheels 132, is supported by the supporting wheels 132, and then drives the two guide wheel discs 131 in transmission connection to fold through the connecting assembly so as to guide the conical pipe fitting.

Furthermore, the two shaft rods of the supporting wheel 132 are provided with a buffering assembly, and the buffering assembly includes a spring post 1322 fixedly disposed on the shaft rod and a third elastic member 1321 sleeved outside the spring post 1322.

In the further proposed scheme of the present invention, the transmission assembly includes a sleeve 1311 sleeved on the shaft of the pilot wheel disc 131 and a shifting fork 1312, one end of the shifting plug is rotatably disposed on the sleeve 1311, and the shifting fork 1312 is obliquely disposed on the fixed side plate 13.

The axles on both sides of the supporting wheel 132 are movably provided with rollers 1323, and the rollers 1323 are rolled in the transmission slots 1302 formed on the shifting fork 1312.

In the embodiment of the invention, the shifting fork 1312 is movably arranged on the fixed side plate 13 through the connecting shaft sleeve 1313, and the connecting shaft sleeve 1313 is movably arranged on the arc-shaped groove 1301 formed in the fixed side plate 13.

Specifically, the belt surface of the conveyor belt 15 is provided with a limiting convex column 151, and the limiting convex column 151 can be inserted into a pipe hole of the conical pipe fitting.

Furthermore, a buffering slot 1303 is obliquely arranged on the fixed side plate 13, and the end of the spring post 1322 is slidably arranged in the buffering slot 1303. The supporting wheel 132 and the spring column 1322 are also obliquely arranged, and can directly receive the toppling force of the conical pipe fitting, so that the force dispersion and friction of the device are reduced, the stretching of the third elastic part 1321 is facilitated, when the supporting wheel 132 is obliquely glided, the connecting shaft sleeve 1313 is also arranged, the connecting shaft sleeve 1313 is arranged in the arc-shaped groove 1301 in a sliding manner, the shifting fork 1312 is arranged on the connecting shaft sleeve 1313 in a rotating manner, the rotating direction of the shifting fork 1312 is perpendicular to the arc-shaped groove 1301, namely, the inclined shifting fork 1312 can be extruded when the roller 1323 obliquely moves downwards, the shifting fork 1312 is enabled to be in the rotating process along the rotating shaft of the connecting shaft sleeve 1313, the connecting shaft sleeve 1313 is arranged in the arc-shaped groove 1301 in a sliding manner, the displacement generated by driving the shifting fork 1312 when the rolling ball is obliquely pressed downwards can be adapted, namely, the toppling force of the conical pipe fitting can be directly received, and the connecting shaft sleeve 1313 is arranged, the shifting of the shifting fork piece 1312 to the guide wheel can not be influenced, and the using effect of the device is improved.

In the invention, a first contact 1314 and a second contact 1315 for controlling a driving motor are arranged on a shaft rod of the idler pulley disc 131, when the two idler pulley discs 131 approach, the first contact 1314 and the second contact 1315 are in contact to enable a driving device to drive the two idler pulley discs 131 to rotate, a driving motor is arranged on a shaft rod on the idler pulley disc 131, the first contact 1314 and the second contact 1315 are connected through a conducting wire to control a motor for driving the idler pulley disc 131 to rotate, and when the first contact 1314 and the second contact 1315 are in contact, the driving motor starts to operate to drive the idler pulley disc 131 to rotate.

The last group of bearing wheels 211 at the end of the first conveying seat 21 in each group of bearing wheels 211 is a bearing guide wheel 2111 for bearing, the first group of wheels on the second conveying seat 12 is the bearing wheels 211, the bearing wheels 211 are two conveying wheels arranged oppositely, and the distance between the two opposite wheels is not generated, so that the conical pipe fitting can be conveyed conveniently.

The invention can make two bearing guide wheels 2111 arranged on the first conveying seat 21 adapt to open under the gravity condition by arranging the conveying belt 15 for reversing between the first conveying seat 21 and the second conveying seat 12, namely under the condition of meeting the conveying with a big head, namely a big end with a diameter being in front, and make the big head sink to a certain extent, and under the condition that the bearing wheel 211 and the bearing guide wheel 2111 are continuously conveyed and the gravity of the big head is heavier, make the big head of the conical pipe piece conveyed onto the conveying belt 15, then through the conveying of the conveying belt 15, make the two conical pipe pieces conveyed along the conveying belt 15 to the lower part of the first conveying seat 21, thereby making the direction of the conical pipe piece changed, making the direction of the small head of the conical pipe piece in front, then through the conveying component arranged on the second conveying seat 12 matching with the most marginal bearing component on the second conveying seat 12, can carry the toper pipe fitting that the switching-over was come to second transport seat 12 on, can be convenient for carry the toper pipe fitting to the quenching equipment in.

In order that the conical pipe fitting cannot deviate in the reversing process, the baffle plate 121 is arranged between the first conveying seat 21 and the second conveying seat 12, so that the conical pipe fitting can be limited when the conical pipe fitting is reversed, and the conical pipe fitting can fall onto the supporting wheel 132 after being turned.

In order to better adapt to the reversing and guiding of the conical pipe, a bearing guide wheel 2111 which can be adaptively expanded along with the gravity of the conical pipe is arranged at the final position of the first conveying seat 21 and on the second conveying seat 12. Specifically, as shown in fig. 17, a rotating column 212 is rotatably disposed on the first bearing seat, and a bearing guide wheel 2111 is slidably disposed in the rotating column 212 and can rotate synchronously with the rotating column 212 when the rotating column 212 rotates, a spring is disposed in the rotating column 212, and its elastic force makes the two bearing guide wheels 2111 approach to each other, then the tapered pipe falls into between the two bearing guide wheels 2111, under the action of its gravity, the two bearing guide wheels 2111 expand outward in an adaptive manner, and a plurality of sets of bearing guide wheels 2111 capable of expanding in an adaptive manner are disposed on the second conveying seat 12, so that the bearing guide wheels 2111 can expand in an adaptive manner according to the gravity of different positions of the tapered pipe, so that the tapered pipe is substantially horizontally conveyed, thereby further conveying the tapered pipe into the quenching apparatus, the two bearing guide wheels 2111 disposed at the end of the first conveying seat 21, the reversing of the conical pipe fitting conveyed by the big head is facilitated, the big head can sink conveniently, and the big head is positioned on the conveyor belt 15.

Specifically, in order to improve the quenching quality of the conical pipe fitting, the treatment equipment for continuously processing the conical pipe fitting is arranged in front of the first conveying seat, and specifically comprises a box body 1 for containing the conical pipe fitting and further comprises: the rotary rod 5 is rotatably arranged in the box body 1, a placing groove for fixing the conical pipe fitting is formed in the rotary rod 5, a driving motor is arranged on a shaft of the rotary rod 5, which rotates with the box body 1, and is used for driving the rotary rod 5 to rotate, the surface friction assembly is arranged along the axial direction of the placing groove and comprises a plurality of friction plates 4 which are sequentially connected, and each friction plate 4 is telescopically connected to the groove wall of each placing groove through an elastic supporting assembly;

thereby the conical surface pipe rotation realizes surface treatment in order to rub with friction disc 4 in the standing groove internal rotation, and is concrete, and friction disc 4 is a plurality of articulated friction cushions that can handle the conical surface pipe spare mutually, and the total length that a plurality of friction cushions set up side by side and the length looks adaptation between the conical surface pipe spare, the surface of conical surface pipe spare is when the contact friction cushion, and can handle the conical surface pipe spare when the conical surface pipe spare is rotatory.

Specifically, the invention arranges the rotating rod 5 in the box body 1, a plurality of placing grooves are uniformly arranged on the rotating rod 5, the two ends of each placing groove are respectively provided with the clamping pieces 72, when the rotating rod 5 rotates, the two clamping pieces 72 can be synchronously extruded through the arrangement of the arc-shaped bulge parts 11, so that the two clamping pieces 72 move towards the placing grooves and then clamp the conical pipes, and the clamping pieces 72 do not influence the clamping of the clamping pieces 72 no matter what the placing direction of the conical pipes above the clamping pieces 72 is, improve the functional of holder 72, and the placing of the toper pipe fitting of being convenient for, at the in-process of placing the toper pipe fitting, needn't place according to the order, can increase the result of use of device promptly.

In this embodiment, when the surface friction component receives the gravity of the tapered pipe, each elastic support component can adaptively elastically support the tapered pipe, and by the arrangement of the elastic support components, the tapered pipe can be adaptively contacted with a substantially equal force, that is, the uniformity of the acting force of the friction plate 4 on the tapered pipe is improved, specifically, after the clamping component clamps the tapered pipe, because the radial dimensions of the axial positions of the tapered pipe are different, the tapered pipe is contacted with the friction plate 4 on the friction component arranged in the placing groove, when the tapered pipe is placed on the friction component, the second elastic component 42 at the corresponding position can be correspondingly extruded, so that the second elastic component 42 can receive different gravities, then the elastic deformation of the tapered pipe is in different degrees, then the elastic force acts on the pressing block 43, then the pressing block 43 abuts against the second wedge block 44 which is horizontally placed, because the elasticity of the second elastic member 42 is different, the elasticity of the second elastic member 42 overcomes the friction force between the second wedge-shaped block 44 and the rotating rod 5, so that the second wedge-shaped blocks 44 on each group can move outwards by different distances, and the acting force of each friction plate 4 acting on the conical member is basically consistent, so that when the conical member is rotated and polished, the polishing force of the surface of the conical member is basically consistent, and the polishing uniformity of the surface of the conical member is improved.

In a further embodiment of the present invention, the elastic support assembly comprises a connection column 41 rotatably connected to the friction plate 4, a pressing block 43 slidably disposed in the rotation rod 5, a second wedge-shaped block 44 slidably connected to an inclined surface of the pressing block 43, and a second elastic member 42 disposed between the connection column 41 and the pressing block 43, the second wedge-shaped block 44 is slidably disposed in the rotation rod 5, a frictional force between the second wedge-shaped block 44 and the rotation rod 5 is greater than a frictional force between the friction plate 4 and the tapered tube during surface treatment, i.e. during polishing, the second wedge-shaped block 44 does not move, but when the tapered tube is placed on the friction plate 4 and is clamped by the clamping member 72, since radial dimensions of the tapered tube are different, the second elastic member 42 has different extrusion degrees, which enable the second wedge-shaped block 44 to overcome the frictional force between the second wedge-shaped block 44 and the rotation rod 5, and moves to a corresponding distance, and the friction force between the friction plate 4 and the surface of the conical pipe is smaller than the friction force between the second wedge block 44 and the rotating roller 5. In the invention, the rotating rod 5 is provided with the resettable inserted rod 441 in a sliding manner, and the inserted rod 441 is inserted into each group of second wedge blocks 44 of each placing groove, after surface treatment is carried out, the second wedge blocks 44 can transversely move for different distances towards the direction of the stop 4411 due to different acting forces of springs, so as to adapt to the basic parallelism of each friction plate 4 to the force of the tapered pipe, then the inserted rod 441 is pushed towards the direction of the second wedge blocks 44, the fixedly connected stop 4411 is driven to move towards the direction of the second wedge blocks 44, and each second wedge block 44 is returned to the initial position, namely, the second elastic piece 42, the connecting column 41 and the friction plate 4 of the press block 43 which are in sliding fit with each other are driven to return to the initial position.

Further, a tension spring is sleeved on the outer wall of the transmission column 7, one end of the tension spring is rotatably arranged on the clamping piece 72, the other end of the tension spring is fixedly arranged on the rotating rod 5, under the elastic force of the tension spring, the clamping piece 72 shrinks to the interior of the rotating rod 5, the tension spring is mainly arranged to be capable of performing surface treatment on the conical pipe fitting, and the transmission column 7 and the clamping piece 72 connected with the transmission column can be shrunk to the initial position so as to be convenient for next use.

Further, a transmission gear 71 is fixedly arranged at one end of the transmission column 7, the box body 1 is provided with meshing teeth 6 which can be meshed with the transmission gear 71, when the transmission gear 71 is meshed with the meshing teeth 6, the transmission gear 71 can drive the conical pipe fitting to rotate through the transmission column 7 and the clamping piece 72, the transmission gear 71 is staggered with the positions of the meshing teeth 6 before use, when the transmission gear is extruded by the arc-shaped protruding portion 11, the transmission column 7 synchronously moves in a phase mode and then corresponds to the positions of the meshing teeth 6, namely when the rotary rod 5 rotates, the transmission gear 71 and the meshing teeth 6 can drive the transmission column 7 and the clamping piece 72 to rotate, and the clamped conical pipe fitting is driven to rotate.

Furthermore, the arc-shaped protrusion 11 is fixedly arranged on the inner side wall of the box body 1, and the arc-shaped protrusion 11 is arranged on the moving path of the transmission column 7. In the rotation direction of the rotary rod 5, the arc-shaped protrusion 11 is disposed in front of the meshing teeth 6, that is, the transmission column 7 is first acted by the arc-shaped protrusion 11 so as to correspond to the position of the meshing teeth 6 of the transmission gear 71, and then is meshed with the meshing teeth 6.

In the further proposed scheme of the invention, a feeding box 2 is arranged at an opening at the top of a box body 1, two ends of the feeding box 2 are both rotatably provided with a baffle piece 3, one side of the baffle piece 3 is respectively and sequentially provided with a first bearing column 31 and a second bearing column 32 for bearing a pipe fitting, one end of the baffle is provided with a shifting block 45, and specifically, when the baffle piece 3 bears a conical pipe fitting, two bearing conditions are provided, namely: as shown in fig. 11, the two conical pipes stacked up and down are placed in the same direction, i.e., in the same direction. At this time, the second supporting columns 32 support the conical pipe fitting below, and the first supporting columns 31 are respectively positioned at ports at two ends of the conical pipe fitting; case two: as shown in fig. 12, the two tapered pipe fittings stacked up and down are placed in opposite directions, that is, the second support column 32 supports the tapered pipe fitting below, and the first support columns 31 are respectively located at the ports at the two ends of the tapered pipe fitting; under two kinds of circumstances, at the during operation, when separating shelves piece 3 by the effect of fixed block 51, second bearing post 32 breaks away from the support to the toper pipe fitting, and relative, first bearing post 31 can peg graft to the mouth of pipe of the toper pipe fitting of upper place in, supports the toper pipe fitting of upper place.

The rotating rod 5 is symmetrically provided with fixed blocks 51 which are in one-to-one correspondence with the transmission columns 7, a convex part 511 is formed on each fixed block 51, and the convex part 511 can shift the shifting block 45 on the rotating path when rotating, so that the pipe fittings fall into the placing grooves on the rotating rod 5. When the fixing block 51 acts on the blocking piece 3 to release the bearing of the tapered pipe fitting from the blocking piece 3 and then to drop the tapered pipe fitting into the placing groove, the transmission column 7 acts on the arc-shaped protruding portion 11.

In the embodiment provided by the invention, a large opening part 7201 and a coaxial small opening part 7202 are formed on the clamping piece 72, the transmission column 7 is arranged on the rotating rod 5 in a sliding mode, and the transmission column 7 and the clamping piece 72 are coaxial.

In the further scheme provided by the invention, the large opening portion 7201 is provided with a second extrusion assembly, when the large opening portion 7201 receives the large head extrusion of the tapered pipe, the second extrusion assembly is opened to tightly abut against the tapered pipe, the small opening portion 7202 is provided with a first extrusion assembly, when the small opening portion 7202 receives the small head extrusion of the tapered pipe, the first extrusion assembly tightly abuts against the tapered pipe, specifically, the large opening portion 7201 and the small opening portion 7202 are both formed on the clamping member 72, as shown in fig. 8, the large opening portion 7201 and the small opening portion 7202 are coaxial, the large head of the tapered pipe is sleeved on the large opening portion 7201, that is, the large opening portion 7201 is mainly used for fixing the position of the large head of the tapered pipe, when the tapered pipe is extruded by the arc-shaped bulge portion 11, the side wall of the tapered pipe can abut against the handle 92, the small head of the tapered pipe is inserted into the small opening portion 7202, that is, that the small opening portion 7202 is used for fixing the small head of the tapered pipe, no matter what the direction of placing of the toper pipe fitting of top is, then do not influence the centre gripping of holder 72, improve the functional of holder 72, and the placing of the toper pipe fitting of being convenient for, at the in-process of placing the toper pipe fitting, needn't place according to the order, can increase the result of use of device promptly.

Specifically, the large mouth portion 7201 of the clamping member 72 is provided with a second pressing assembly, the second pressing assembly comprises a first pressing block 439 slidably disposed on the clamping member 72, a first hinge rod 91 rotatably connected to the first pressing block 439, and a pressing handle 92 slidably disposed on the clamping member 72, the other end of the first hinge rod 91 is rotatably disposed on the pressing handle 92, the large end of the tapered tube is sleeved on the large mouth portion 7201, then the side wall of the tapered tube will abut against the pressing handle 92 when pressed by the arc-shaped protrusion 11, under the interference of the tapered tube, the pressing handle 92 will make the first pressing have a movement in a direction away from the first hinge rod 91 by the action of the first hinge rod 91, and then, due to the wedge-shaped contact between the first pressing block 439 and the clamping member 72, as shown in fig. 9, the first pressing block 439 will protrude outwards along the inclined plane, and thus can contact with the inner wall of the tapered tube, thereby increasing the friction force between the clamping piece 72 and the conical pipe fitting and facilitating the improvement of the clamping force on the big end of the conical pipe fitting when the clamping piece 72 rotates;

a first extrusion assembly is arranged on the small opening 7202 of the clamping piece 72, the first extrusion assembly comprises a second extrusion block 4310 movably arranged on the side wall of the small opening 7202, a second hinge rod 1001 rotatably connected to the second extrusion block 4310 and a first wedge-shaped block 1003 slidably arranged in the radial direction of the clamping piece 72, the other end of the second hinge rod 1001 is hinged to the first wedge-shaped block 1003, the first extrusion assembly is mainly used for improving the friction force between the small opening 7202 and the small head of the tapered pipe, specifically, the small head of the tapered pipe is inserted in the small opening 7202, then when the tapered pipe is extruded by the arc-shaped bulge 11, the side wall of the small head of the tapered pipe can be abutted against the bearing plate 721, under the abutting of the tapered pipe, the bearing plate 721 is extruded towards the first wedge-shaped block 1003, so that the first wedge-shaped block 1003 moves towards the direction of the first elastic piece 1002, thereby driving the second hinge rod 1001 to rotate along the axis hinged with the clamping piece 72, so that the second pressing block 4310 rotatably connected to the second hinge rod 1001 moves toward the small opening 7202, as shown in fig. 10, thereby increasing the friction between the clamping member 72 and the tapered pipe, and facilitating to improve the clamping force on the small end of the tapered pipe when the clamping member 72 rotates.

When the polishing device is used and needs to polish the conical pipe fitting, firstly, the conical pipe fitting with the same specification is placed in the feeding box 2, then the device is started, the driving motor connected with the central shaft of the rotating rod 5 rotates to drive the rotating rod 5 to rotate, the rotating direction of the rotating rod rotates towards the direction of the arc-shaped protruding part 11, and in the rotating process:

1) the fixed block 51 arranged on the rotating rod 5 also synchronously rotates, then the shifting block 45 arranged on the baffle piece 3 arranged at two sides of the feeding box 2 is shifted, the convex part 511 formed on the fixed block 51 extrudes and penetrates between the shifting block 45 and the baffle piece 3, then in continuous rotation, the convex part 511 can extrude the rolling ball on the shifting block 45, so that the rolling ball drives the baffle piece 3 to rotate outwards along the shaft rod, namely the second bearing column 32 is separated from the borne conical pipe, then the first bearing column 31 at the upper part can draw close to the feeding box 2, then the conical pipe positioned at the upper part is supported, the first bearing columns 31 at two ends are inserted into the pipe holes in the conical pipe to support the conical pipe at the upper part, then the pipe at the lower part falls into the placing groove (the shaft rod rotationally connected with the baffle piece 3 and the feeding box 2 is provided with a torque spring, the elasticity of the torque spring enables the second bearing column 32 arranged at the lower part of the baffle piece 3 to face the feeding box 2, and the upper first support column 31 is far away from the feed box 2 and the stop 3 can rotate relative to the rotation direction of the feed box 2).

2) After the conical part drops to the standing groove, change transmission post 7 that 5 both ends of rod set up through arc bulge 11, under the extrusion of arc bulge 11, transmission post 7 removes to the direction of turning rod 5, make at the in-process that removes, can drive the synchronous inward movement of holder 72 that is connected, at this moment, will carry out the centre gripping to conical pipe spare soon, it is concrete, the big head department cover of conical pipe spare is on the outer wall of the big mouth portion 7201 of holder 72, then the little head department of conical pipe spare pegs graft in little mouth portion 7202, (the radial dimension of holder 72 big mouth department and the radial dimension of little mouth portion 7202 process then at the in-process of the inside extrusion of holder 72 according to the two head dimensions of the conical pipe spare of treating processing: 1. at the big end: the big end of the conical pipe is sleeved on the big opening 7201, then when the conical pipe is extruded by the arc-shaped protrusion 11, the side wall of the conical pipe can abut against the pressing handle 92, then (a friction pad which is arranged on the pressing handle 92 and increases friction force), under the interference of the conical pipe, the pressing handle 92 enables the first extrusion to move towards the direction far away from the first hinge rod 91 under the action of the first hinge rod 91, then as the first extrusion block 439 is in wedge-shaped contact with the clamping piece 72, as shown in fig. 9, the first extrusion block 439 can protrude outwards along the inclined plane, so that the first extrusion block can be in contact with the inner wall of the conical pipe, and the friction force between the clamping piece 72 and the conical pipe can be increased; 2. small end: the small end of the tapered pipe is inserted into the small opening 7202, then when the tapered pipe is pressed by the arc-shaped protrusion 11, the sidewall of the small end of the tapered pipe abuts against the bearing plate 721, and then (the bearing plate 721 is also provided with a friction pad for increasing the friction force with the tapered pipe), under the abutment of the tapered pipe, the bearing plate 721 presses towards the first wedge-shaped block 1003, so that the first wedge-shaped block 1003 moves towards the first elastic member 1002, thereby driving the second hinge rod 1001 to rotate along the shaft hinged with the clamping member 72, and moving the second pressing block 4310 rotationally connected with the second hinge rod 1001 towards the small opening 7202, as shown in fig. 10, thereby increasing the friction force between the clamping member 72 and the tapered pipe;

3) when the conical pipe enters the placing groove and is clamped by the clamping assembly, because the radial sizes of the axial positions of the conical pipe are different, the conical pipe is in contact with the friction plates 4 on the friction assembly arranged in the placing groove, when the conical pipe is placed on the friction assembly, the second elastic piece 42 at the corresponding position is correspondingly extruded, so that the second elastic piece 42 receives different gravity, the elastic deformation of the second elastic piece is in different degrees, the elastic force acts on the pressing block 43, the pressing block 43 abuts against the second wedge-shaped block 44 which is horizontally placed, and due to the different elastic forces of the second elastic piece 42, the elastic force of the second elastic piece 42 overcomes the friction force between the second wedge-shaped block 44 and the rotating rod 5, the second wedge-shaped blocks 44 on each group move outwards by different distances, so that the acting force of each friction plate 4 on the conical piece is basically consistent, therefore, when the rotary grinding is carried out, the grinding force of the surface of the conical pipe fitting is basically consistent, and the grinding uniformity of the surface of the conical pipe fitting is improved.

4) After the conical pipe fitting is clamped, the transmission gear 71 on the transmission column 7 at the moment corresponds to the position of the meshing teeth 6, then, after the continuous rotation, the transmission gear 71 rotates by itself under the meshing action of the meshing teeth 6, namely, the fixedly connected clamping piece 72 is driven to rotate, so that the conical pipe fitting is driven to rotate in the placing groove in the rotating process, then as the friction component in the placing groove is unchanged, during rotation of the conical member, the conical tube is caused to rub against the friction plate 4, i.e., when the conical piece is polished and the transmission post 7 is separated from the arc-shaped bulge part 11, the two clamping pieces 72 return to the initial positions under the elasticity of the tension spring, the clamping of the conical pipe piece is released, then, after the continuous rotation, the polished conical member falls onto the carrier wheel 211 on the first transport base 21 through the through hole at the bottom of the box 1.

In order to facilitate smooth conveying of the tapered pipe after surface treatment to the quenching equipment, a first conveying seat 21 and a second conveying seat 12 are arranged below the box body 1 and used for conveying and reversing the tapered pipe, and since the direction of the tapered pipe processed in the box body 1 is random, when the tapered pipe falls onto a bearing wheel 211 on the first conveying seat 21, the large end of the tapered pipe can be conveyed forwards, which is inconvenient for conveying the tapered pipe to the quenching equipment, so that a reversing device for reversing the tapered pipe is arranged behind the first conveying seat 21 to solve the problem that the large end of the tapered pipe is conveyed forwards.

When the tapered pipe after surface treatment enters the first conveying seat 21, the tapered pipe is continuously conveyed towards the second conveying seat 12 by the conveying bearing wheel 211, during the conveying process, if the small end is conveyed ahead, because the weight of the small end is small compared with that of the large end, when the tapered pipe is conveyed to the position of the conveying belt 15 continuously, the tapered pipe can be conveyed to the conveying belt 15 above the second conveying seat 12 continuously, then the tapered pipe can be conveyed continuously, when the tapered pipe is conveyed to the large end, when the tapered pipe is conveyed to the position of the bearing guide wheel 2111 arranged on the first conveying seat 21 continuously, because the weight of the large end of the tapered pipe is heavy, when the tapered pipe passes through the position of the bearing guide wheel 2111, the two bearing guide wheels 2111 are caused to move outwards in an adaptive manner, as shown in fig. 17, the two bearing guide wheels 2111 will move towards the direction of the rotating column 212 respectively, and at this time the large end will sink a part, then under the conditions of continuous conveying and self-gravity, the big end of the tapered pipe will finally incline and fall onto the conveyor belt 15, as shown in fig. 20, at this time, the big end of the tapered pipe is clamped on the limiting convex column 151 arranged on the conveyor belt 15, then the side wall is lapped on the bearing guide wheel 2111 arranged on the first conveying seat 21, then under the continuous conveying of the conveyor belt 15, the big end of the tapered pipe is driven to move along the conveying direction of the conveyor belt 15, the conveyor belt 15 passes under the first conveying seat 21 and also drives the tapered pipe to move under the end of the first conveying seat 21, at this time, the tapered pipe will be in a vertical state, then when the conveying is continued, the tapered pipe will tilt towards the direction of the second conveying seat 12 with the big end of the tapered pipe as a fulcrum, when the tilting is performed, the tilted state is as shown in fig. 21, at this time, the tilted tapered pipe is placed into the conveying assembly (the initial state of the transmission assembly is as shown in fig. 17, the two guide wheel discs 131 are at the farthest distance, the poured conical pipe can pass through the two guide wheel discs 131 and fall onto the supporting wheel 132, the supporting wheel 132 is at the top, the third elastic element 1321 is not in a compressed state, and the shifting fork 1312 is in an inclined state), and the conveying assembly at this time has the following states:

1) the inclined conical pipe passes through the two guide wheel discs 131, and then is caught by the support wheels 132, the support wheels 132 are compressed obliquely downward under the gravity of the conical pipe, and are compressed downward along the inclined buffer grooves 1303, that is, the support wheels 132 also move obliquely downward in synchronization,

2) in the process of moving downwards, the rollers 1323 arranged on the shaft rods at the two sides of the supporting wheel 132 also move downwards in an inclined manner, because the rollers 1323 are arranged in the transmission grooves 1302 formed in the shifting fork 1312 in a rolling manner, when the rollers 1323 move downwards, the shifting fork 1312 in the inclined state is driven to rotate along the shaft hinged with the connecting shaft sleeve 1313, the other end of the shifting fork 1312 is movably arranged on the sleeve 1311, so that the two guide wheel discs 131 are synchronously driven to move oppositely, the two guide wheel discs 131 are folded, then when the guide wheels 131 are closed, the first contact point 1314 and the second contact point 1315 are contacted, even if the driving motor for driving the guide wheel discs 131 to rotate starts to rotate, and the conical pipe fitting at the moment is arranged between the supporting wheel 132 and the two guide wheel discs 131, (because the conical pipe fitting is obliquely inclined to the supporting wheel 132, therefore, in the invention, the supporting wheel 132 and the spring post 1322 are also obliquely arranged, so that the tilting force of the conical pipe fitting can be directly received, the force dispersion and friction of the device are reduced, the stretching of the third elastic member 1321 is facilitated, the supporting wheel 132 is obliquely glided, meanwhile, the connecting shaft sleeve 1313 is arranged in the arc-shaped groove 1301 in a sliding manner, the shifting fork 1312 is rotationally arranged on the connecting shaft sleeve 1313, the rotating direction of the shifting fork 1312 is perpendicular to the arc-shaped groove 1301, so that the inclined shifting fork 1312 can be pressed when the roller 1323 moves obliquely downwards, the shifting fork 1312 can be driven to move in the rotating process of the rolling ball along the rotating shaft of the connecting shaft sleeve 1313, and the connecting shaft sleeve 1313 is arranged in the arc-shaped groove 1301 in a sliding manner, so that the displacement generated by driving the shifting fork 1312 during oblique depressing can be adapted, that the tilting force of the conical pipe fitting can be directly received, and the shifting of the shift fork 1312 to the guide wheel can be not affected by the arrangement of the connecting bushing 1313).

3) At this time, one end of the tapered pipe is also lapped on the first bearing assembly on the second conveying seat 12, as shown in fig. 21, and then under the rotation of the bearing guide wheel 2111 and the guide wheel disc 131, the tapered pipe is driven to move, that is, the tapered pipe gradually passes through the first bearing assembly on the second conveying seat 12 and then gradually passes through the space between the supporting wheel 132 and the two guide wheel discs 131, and finally is conveyed, so that the tapered pipe is conveyed to the plurality of bearing guide wheels 2111 arranged on the second conveying seat 12, thereby reversing the conveying direction of the tapered pipe, and then is conveyed through the conveying assembly, thereby facilitating the quenching processing of the tapered pipe.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The reversing equipment for machining the conical pipe fitting is characterized by comprising a first conveying seat (21), a U-shaped reversing assembly and a second conveying seat (12) which are sequentially arranged along the conveying direction of the conical pipe, wherein a plurality of bearing assemblies are arranged on the first conveying seat (21), and each bearing assembly comprises two opposite bearing wheels (211);

the U-shaped reversing assembly comprises a U-shaped framework and a conveyor belt (15) moving on the surface of the U-shaped framework; when the conical pipe fitting passes through the first conveying seat (21) with a larger-diameter end, the larger-diameter end of the conical pipe fitting falls into the U-shaped reversing assembly, and rotation reversing is achieved under the combined action of the driving of the conveyor belt (15) and the tail end of the first conveying seat (21).

2. Reversing device for tapered tube machining according to claim 2, characterized in that the U-shaped frame comprises a plurality of second conveying guide wheels (153) and a plurality of first conveying guide wheels (152) arranged on the fixed plate (14), each of the first conveying guide wheels (152) and the second conveying guide wheels (153) forming a U-shaped conveying area, and the conveyor belt (15) is wound around the first conveying guide wheels (152) and the second conveying guide wheels (153) in sequence along the U-shaped conveying area.

3. Reversing device for the machining of tapered tubular elements according to claim 1, characterised in that one of said first transfer rollers (152) is arranged below the end of the first delivery seat (21) and one of said first transfer rollers (152) is arranged at the initial end of the second delivery seat (12).

4. The reversing device for tapered tubular processing according to claim 3, further comprising a transfer assembly disposed above the second transport base (12), the transfer assembly being configured to receive and transfer the reversed tapered tubular to be transported to the loading guide (2111) on the second transport base (12).

5. The reversing device for conical pipe machining according to claim 4, wherein the conveying assembly is arranged on a fixed side plate (13) on the second conveying seat (12), the conveying assembly comprises two guide wheel discs (131) arranged on the fixed side plate (13) in a sliding mode and a supporting wheel (132) arranged on the two fixed side plates (13) in a rotating mode, the supporting wheel (132) and the guide wheel discs (131) are in transmission connection through a transmission assembly, and when the supporting wheel (132) receives the conical pipe, the two guide wheel discs (131) can be driven to be closed through a transmission assembly to guide the conical pipe.

6. The reversing device for tapered pipe machining according to claim 5, wherein a buffer assembly is arranged on each of the two shaft rods of the support wheel (132), and the buffer assembly comprises a spring post (1322) fixedly arranged on the shaft rod and a third elastic member (1321) sleeved outside the spring post (1322).

7. The reversing device for tapered pipe machining according to claim 3, characterized in that the transmission assembly comprises a sleeve (1311) sleeved on the shaft of the guide wheel disc (131) and a shifting fork (1312), one end of the shifting plug is rotatably arranged on the sleeve (1311), and the shifting fork (1312) is obliquely arranged on the fixed side plate (13).

The shaft rods on the two sides of the supporting wheel (132) are movably provided with rollers (1323), and the rollers (1323) are arranged in transmission grooves (1302) formed in the shifting fork piece (1312) in a rolling mode.

8. The reversing device for machining the conical pipe fitting according to claim 7, wherein the shifting fork (1312) is movably arranged on the fixed side plate (13) through a connecting shaft sleeve (1313), and the connecting shaft sleeve (1313) is movably arranged on an arc-shaped groove (1301) formed in the fixed side plate (13).

9. The reversing device for tapered pipe machining according to claim 1, wherein a limiting convex column (151) is arranged on a belt surface of the conveyor belt (15), and the limiting convex column (151) can be inserted into a pipe hole of the tapered pipe.

10. The reversing device for conical pipe machining according to claim 3, wherein a buffering groove (1303) is formed in the fixed side plate (13) in an inclined mode, and the end portion of the spring column (1322) is arranged in the buffering groove (1303) in a sliding mode.