CN213504646U - Gas pipe fitting switching-over feeding mechanism - Google Patents

Abstract

The utility model discloses a gas pipe fitting switching-over feeding mechanism belongs to gas pipe production field. The utility model comprises a reversing unit and a feeding unit, wherein the reversing unit comprises fixed support frames at two sides, a steering support frame is arranged between the fixed support frames at two sides, and the bottom of the steering support frame is provided with lifting power and rotating power; the side of the fixed support frame is also provided with a turnover frame, and the bottom of the turnover frame is provided with jacking power; the feeding unit comprises a front material receiving section for receiving the pipe fitting and a rear material feeding section for sending the pipe fitting out backwards, a material blocking lifting section extending upwards is arranged between the front material receiving section and the rear material feeding section, and jacking power is arranged on the side edge of the material blocking lifting section. The utility model overcomes among the prior art gas pipe production turns to the current situation that the process lacks systematic transmission, can realize that the flexibility of gas pipe turns to and process transmission around, and can realize automated control, can effectively improve production efficiency, reduces intensity of labour.

Description

Gas pipe fitting switching-over feeding mechanism

Technical Field

The utility model relates to a gas pipe production technical field, more specifically say, relate to gas pipe fitting switching-over feeding mechanism.

Background

The production of gas pipes relates to the turnover cooperation among a plurality of processes, and especially after the connecting joint at the end of a pipe fitting is installed, the gas tightness of the pipe fitting needs to be detected, the pipe fitting with the same specification needs to be bundled in a sub-packaging mode after the gas tightness is detected, in practice production, the bundling number and the pipe fitting orientation of the pipe fitting are required, and therefore the pipe fitting needs to be turned before bundling. At present, a turnover system integrating pipe fitting turning, conveying and bundling into a whole is lacked in the industry, and how to realize turnover matching among all working procedures is a key research point. The production efficiency of enterprises can be effectively improved by integrating all the processes on the same production line, and the complicated operation of intermediate process turnover is reduced.

Through retrieval, the Chinese patent application number: 2013101759698, the name of invention creation is: an automatic pipe fitting discharging and feeding device comprises a discharging mechanism capable of being embedded into a pipe fitting, a driving mechanism capable of driving the pipe fitting on the discharging mechanism to move, and a feeding mechanism capable of grabbing and conveying the pipe fitting on the discharging mechanism, wherein the discharging mechanism is provided with two chain rings arranged side by side, the two chain rings are jointly arranged on two main shafts arranged side by side through a group of chain wheels, a plurality of pairs of pipe fitting clamping dies capable of being embedded into the same pipe fitting are respectively fixed on the two chain rings, the driving mechanism is arranged on one main shaft and comprises a ratchet wheel fixed on the main shaft, the feeding mechanism comprises two material supporting dies and a feeding cylinder, wherein the feeding cylinder can drive the two material supporting dies to push out the pipe fittings on the corresponding pipe fitting clamping dies; this application can continuously place the pipe fitting and can automatic pipe fitting of seeing off.

Also as in chinese patent application No.: 2018100643220, the name of invention creation is: a180-degree turnover device for flexible products comprises a turnover conveyor belt, a reversing conveyor belt, a first driving mechanism for driving the turnover conveyor belt to operate, a second driving mechanism for driving the reversing conveyor belt to operate and a plurality of turnover rollers; the reversing conveyor belt is arranged below the turnover conveyor belt; the plurality of turnover rollers are arranged in a semicircular arc to form a turnover roller group, and the turnover roller group surrounds the outer side of any end part of the turnover conveyor belt so as to form a turnover channel between the turnover roller group and the turnover conveyor belt. This application is intended for turning over products, but is not suitable for turning over gas pipes, and currently still lacks a good design for effectively combining turning over and conveying and feeding.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome among the prior art gas pipe production and turn to the current situation that the process lacks systematic transmission, plan to provide gas pipe fitting switching-over feeding mechanism, can realize that the flexibility of gas pipe turns to and process transmission around, and can realize automated control, can effectively improve production efficiency, reduce intensity of labour.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a gas pipe fitting switching-over feeding mechanism, including switching-over unit and feeding unit, the switching-over unit includes the fixed support frame of both sides, still is equipped with the steering support frame between the fixed support frame of both sides, and the steering support frame bottom is equipped with lift power and rotary power; the side of the fixed support frame is also provided with a turnover frame, and the bottom of the turnover frame is provided with jacking power; the feeding unit comprises a front material receiving section for receiving the pipe fitting and a rear material feeding section for sending the pipe fitting out backwards, a material blocking lifting section extending upwards is arranged between the front material receiving section and the rear material feeding section, and jacking power is arranged on the side edge of the material blocking lifting section.

Furthermore, in the reversing unit, the turnover frame comprises a front bearing section with gradually-reduced height, the tail of the front bearing section upwards extends to form a middle material blocking section, the top of the middle material blocking section backwards extends to form a rear bearing section, the top of the fixed support frame is provided with a clamping groove for placing a pipe fitting, the length extending position of the front bearing section is between the clamping groove openings of the fixed support frame, and the length extending position of the rear bearing section reaches behind the front material receiving section.

Furthermore, the tail part of the rear bearing section is also provided with a tail baffle plate extending upwards.

Furthermore, the bottom of the turnover frame is provided with a guide supporting leg, and the side frame of the system is correspondingly provided with guide wheels distributed on two sides of the guide supporting leg.

Furthermore, in the feeding unit, the tail part of the rear feeding section is also provided with a stop block extending upwards, and the heights of the top surfaces of the front receiving section and the rear feeding section are gradually reduced along the conveying direction.

Furthermore, the feeding unit also comprises an auxiliary feeding assembly, the auxiliary feeding assembly comprises a jacking mounting seat arranged on the side edge of the rear feeding section, and one side of the jacking mounting seat is connected with longitudinal pushing power and used for driving the jacking mounting seat to move horizontally along the longitudinal direction; install the installation grudging post on the jacking mount pad, the installation grudging post top is connected with the link through articulated frame, and the middle part of link is equipped with keeps off the material arch, and the back end of link is the transmission section that highly gradually hangs down, still is equipped with jacking power on the jacking mount pad, and this jacking power top links to each other with the link.

Furthermore, in the feeding unit, a movable stop block extending upwards is further arranged on the side edge of the rear feeding section, and jacking power is arranged below the movable stop block.

Furthermore, the feeding unit is arranged on a sliding platform, the bottom of the sliding platform is matched with a transverse guide rail arranged on a rack at the bottom of the system, and a power part for driving the sliding platform to move horizontally along the transverse guide rail is arranged at the end part of the sliding platform.

Furthermore, a longitudinal guide rail is arranged on the sliding platform along the conveying direction, the bottom of the jacking installation seat is matched with the longitudinal guide rail, and longitudinal pushing power is used for driving the jacking installation seat to move horizontally along the longitudinal guide rail.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a gas pipe fitting switching-over feeding mechanism utilizes switching-over unit, pay-off unit to cooperate in proper order, can realize that the flexibility of gas pipe turns to and process transmission around, and can realize automated control, can effectively improve production efficiency, reduces intensity of labour.

(2) The utility model discloses a gas pipe fitting switching-over feeding mechanism, all revolving rack bottoms are equipped with the direction landing leg, and the correspondence is equipped with the leading wheel in this regional system frame for effectively leading to the jacking process, keep the pipe fitting lift stable.

(3) The utility model discloses a gas pipe fitting switching-over feeding mechanism, pay-off unit install on the platform that slides, and the transverse guide that slides platform bottom and system frame bottom set up cooperatees, so set up the interval between the pay-off unit that can effectively adjust both sides, can support and have enough to meet the need the transmission to the pipe fitting of different length promptly, and the suitability is wider.

(4) The utility model discloses a gas pipe fitting switching-over feeding mechanism, among the pay-off unit, but the back feeding section goes up the movable dog of the lifting control who sets up, can cooperate in a flexible way during the use, when the back end process is unfinished, steerable movable dog jack-up that makes progress stops more pipe fittings and gets into the rear end transmission, makes the rear end keep the pipe fitting that accords with regulation quantity, and the operation accords with the production reality more.

Drawings

Fig. 1 is a schematic structural diagram of a reversing unit in the present invention;

fig. 2 is a schematic structural view of the transfer frame of the present invention;

fig. 3 is a schematic structural view of a single-sided feeding unit of the present invention;

fig. 4 is a rear view partial structure schematic diagram of the feeding unit of a single side in the present invention.

The reference numerals in the schematic drawings illustrate:

100. a front carriage; 101. a front tube body clamping groove; 102. a front conveyor chain; 300. a pipe fitting;

200. supporting legs; 201. supporting a vertical plate; 202. a guide wheel; 203. first jacking power; 204. a middle seat; 205. rotating power; 206. fixing a support frame; 207. a steering support frame; 210. a turnover frame; 211. a front bearing section; 212. a middle material blocking section; 213. a rear bearing section; 214. a tail baffle plate; 215. a guide leg;

400. a front material receiving section; 401. a material blocking lifting section; 402. a post-feeding section; 403. a stopper; 404. connecting the supporting legs; 405. a sliding platform; 406. a longitudinal guide rail; 407. longitudinal pushing power; 408. jacking the mounting seat; 409. second jacking power; 410. installing a vertical frame; 411. a connecting frame; 412. the material blocking bulge is arranged; 413. a transmission section; 414. a hinged frame; 415. third jacking power; 416. a movable stop block; 417. a guide clamping groove; 418. fourth jacking power; 420. a transverse guide rail;

500. and bundling the bearing units.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1 to 4, the gas pipe reversing and feeding mechanism of this embodiment includes a reversing unit and a feeding unit that are sequentially arranged, where the reversing unit includes two fixed support frames 206 on two sides, a steering support frame 207 is further disposed between the two fixed support frames 206 on two sides, and a lifting power and a rotating power 205 are disposed at the bottom of the steering support frame 207; the side of the fixed support frame 206 is also provided with a turnover frame 210, and the bottom of the turnover frame 210 is provided with jacking power; the feeding unit comprises a front material receiving section 400 used for receiving the pipe 300 and a rear material feeding section 402 used for sending the pipe 300 backwards, a material blocking lifting section 401 extending upwards is arranged between the front material receiving section 400 and the rear material feeding section 402, and jacking power is arranged on the side edge of the material blocking lifting section 401.

Specifically, as shown in fig. 1, the first jacking power 203, which is the jacking power at the bottom of the revolving frame 210 in the reversing unit, may specifically adopt various jacking power mechanisms such as an air cylinder. As shown in fig. 2, the revolving rack 210 on each side includes a front receiving section 211 with gradually decreasing height, a middle material blocking section 212 extends upward from the tail of the front receiving section 211, the top of the middle material blocking section 212 extends rearward with gradually decreasing height to form a rear receiving section 213, and a tail material blocking plate 214 extending upward is further disposed at the tail of the rear receiving section 213; the top of the fixed support frame 206 is provided with a clamping groove for placing the pipe fitting 300, and the length extending position of the front bearing section 211 is between the clamping groove openings of the fixed support frame 206 and does not reach the central position of the bottom of the clamping groove opening of the fixed support frame 206; the length of the rear receiving section 213 extends to the rear of the front receiving section 400, so that when the turnover frame 210 descends, the pipe 300 on the front receiving section 211 can fall into the slot along the edge of the slot of the fixed support frame 206; when the turnover frame 210 is raised again, the rear receiving section 213 can lift up the tube 300 in the slot of the fixing support frame 206 and transfer the tube to the front receiving section 400. The middle material blocking section 212 is used for the working side face contacted with the pipe fitting 300, and the fixing support frame 206 is used for the clamping groove working face contacted with the pipe fitting 300, and is provided with replaceable buffer layers, so that the impact of direct collision of the pipe fitting 300 is buffered, the surface damage is avoided, and rubber or other common materials in other industries can be adopted. Similarly, other parts directly contacting the pipe 300 may be provided with buffer layers.

As shown in fig. 1, in this embodiment, a V-shaped open slot is formed at the top of the fixing support 206 for receiving the pipe 300, a middle seat 204 is further disposed between the fixing support 206 at two sides, and a lifting power is provided below the middle seat 204, and specifically, a plurality of lifting power members such as an air cylinder can be used for driving the middle seat 204 to lift; the middle base 204 is further provided with a rotary power 205, which may be a rotary cylinder or a motor, and the steering support 207 is connected to an output end of the rotary power 205, and is driven by the rotary power 205 to rotate to steer the pipe 300. The steering support frame 207 has a certain extending length so as to stably support the pipe 300, the top of the steering support frame 207 is also provided with a V-shaped opening clamping groove, and side baffles which extend upwards to a certain height are arranged on two sides of the V-shaped opening clamping groove so as to prevent the pipe 300 from falling off in the steering process.

When the commutation unit of this embodiment is in actual operation:

a. the pipe fitting 300 processed and detected in the previous working procedure is conveyed by the front conveying frame 100, a front conveying chain 102 is arranged in the front conveying frame 100, a front pipe body clamping groove 101 with a V-shaped opening is formed in the tail end of the front conveying frame 100, and the pipe fitting 300 is conveyed by the front conveying chain 102 to reach the front pipe body clamping groove 101.

b. In the reversing unit, the initial height of the turnover frame 210 is located below the front pipe body clamping groove 101, the front end extension length of the front bearing section 211 exceeds the position of the front pipe body clamping groove 101, the first jacking power 203 starts up jacking, the front end of the front bearing section 211 is about to jack up the pipe fitting 300 in the front pipe body clamping groove 101, the pipe fitting 300 slides to abut against the middle material blocking section 212 along the front bearing section 211, the height of the pipe fitting 300 is higher than that of the fixed support frame 206, and the lower side of the pipe fitting 300 is located in the opening clamping groove area at the top of the fixed support frame 206.

c. The first jacking power 203 is controlled to descend and return, and the pipe 300 falls back into the open clamping groove at the top of the fixed support frame 206, namely, is supported by the fixed support frames 206 at the two ends. The initial height of the steering support frame 207 is lower than the height of the fixed support frame 206, at the moment, the lifting power below the middle base 204 is started to drive the middle base 204 to jack, the steering support frame 207 rises to jack the pipe fitting 300 to be separated from the fixed support frame 206, and then the rotating power 205 is started to drive the steering support frame 207 to rotate for 180 degrees, namely, the two ends of the pipe fitting 300 are steered, so that the requirements of the subsequent bundling process are met.

d. After the steering is finished, similarly, the steering support frame 207 is controlled to descend and return, and the pipe fitting 300 falls back into the fixed support frame 206; and starting the first jacking power 203, wherein the rear bearing section 213 jacks up the pipe 300 at the moment, the tail end of the rear bearing section 213 extends beyond the front end of the front material receiving section 400 in the feeding unit, the height of the rear end of the rear bearing section 213 after jacking is basically flush with the front end of the front material receiving section 400, and the pipe 300 reaches the front material receiving section 400 along the rear bearing section 213 for further conveying. The whole steering transmission process is completed, and then the material is further sent to the bundling bearing mechanism 500 through the feeding unit for bundling operation.

As shown in fig. 3, which is a structural schematic view of a single-sided feeding unit, a material blocking lifting section 401 extending upward is provided between a front material receiving section 400 and a rear material receiving section 402, the top of the material blocking lifting section 401 extends rearward to form the rear material receiving section 402, a stopper 403 extending upward is further provided at the tail of the rear material receiving section 402, and the heights of the top surfaces of the front material receiving section 400 and the rear material receiving section 402 are both gradually reduced along the conveying direction; the jacking power of keeping off material lifting section 401 side, third jacking power 415 specifically can adopt multiple common jacking power spare such as cylinder.

In this embodiment, the bottom of the feeding unit region is provided with a system bottom frame, and the bottoms of the front material receiving section 400 and the rear material receiving section 402 can be connected with the bottom frame through connecting legs 404, for example, three groups of connecting legs 404 are provided in fig. 3. Furthermore, a sliding platform 405 is arranged on the frame at the bottom of the system, in this embodiment, the feeding unit is installed on the sliding platform 405, and the bottoms of the front receiving section 400 and the rear feeding section 402 are fixed on the sliding platform 405 through the connecting support legs 404.

The feeding unit further comprises an auxiliary feeding assembly, the auxiliary feeding assembly comprises a jacking mounting seat 408 arranged on the side edge of the rear feeding section 402, one side of the jacking mounting seat 408 is connected with a longitudinal pushing power 407 and used for driving the jacking mounting seat 408 to move horizontally along the longitudinal direction, and various common pushing power members such as an air cylinder can be adopted; specifically, a longitudinal guide rail 406 is arranged on the sliding platform 405 along the transmission direction, a sliding block matched with the longitudinal guide rail 406 is arranged at the bottom of the jacking installation seat 408, one end of a longitudinal pushing power 407 is fixed on the sliding platform 405, and the pushing end of the longitudinal pushing power 407 is connected with the side edge of the jacking installation seat 408 so as to push the jacking installation seat 408 to move horizontally on the longitudinal guide rail 406. Installation grudging post 410 is installed to the one end of jacking mount pad 408, and installation grudging post 410 top is connected with link 411 through articulated frame 414, and the middle part of link 411 is equipped with keeps off the material protruding 412, and the back end of link 411 is transmission section 413 that highly gradually lowers promptly, still is equipped with jacking power on the jacking mount pad 408, and second jacking power 409 specifically can adopt multiple common jacking power spare such as cylinder. The top end of the jacking power is connected with the connecting frame 411 and used for driving the transmission section 413 to lift so as to jack up the transmission pipe fitting 300. The bundling carrier 500 is disposed behind the transmission section 413. The trailing end of the rear infeed section 402 extends to the top open area of the load binder mechanism 500.

When the feeding unit of this embodiment is used specifically:

a. the turned pipe 300 directly reaches and abuts against the side face of the material blocking lifting section 401 along the front material receiving section 400, a jacking plate is arranged at the top of the third jacking power 415, the initial height of the jacking plate is lower than the height of the rear material conveying section 402, the jacking plate can be arranged in an inclined mode corresponding to the rear material conveying section 402, and the pipe 300 can be jacked upwards by starting the third jacking power 415 to reach the rear material conveying section 402 to be transmitted forwards.

b. After the pipe 300 reaches the tail of the rear feeding section 402 and is blocked, the initial height of the auxiliary feeding assembly is lower than the height of the rear feeding section 402, the second jacking power 409 is started to enable the transmission section 413 to move upwards to jack up the pipe 300, then the longitudinal pushing power 407 pushes the transmission section 413 to move forwards continuously, the pipe reaches the top opening area of the bundling bearing mechanism 500, the second jacking power 409 is controlled to descend and return, the pipe 300 falls into the opening area of the bundling bearing mechanism 500 smoothly, the longitudinal pushing power 407 resets, and an operator can bundle a certain number of pipes 300 fed into the bundling bearing mechanism 500.

This embodiment is through utilizing switching-over unit and pay-off unit to cooperate, can realize that the flexibility of gas pipe turns to and process transmission around, and can realize automated control, can effectively improve production efficiency, reduces intensity of labour.

Example 2

The gas pipe reversing and feeding mechanism of this embodiment is substantially the same as embodiment 1, and further, in this embodiment, the bottom of the revolving rack 210 is provided with a guiding leg 215, and the system frame in this area is correspondingly provided with guiding wheels 202 distributed on both sides of the guiding leg 215. Specifically, the reversing unit area system frame comprises a bottom frame and side frames on two sides of the bottom frame, and in order to show the specific structure of the reversing unit more clearly, the system frame part, especially the bottom frame part, is not shown in the figure; wherein the side frame comprises a supporting vertical plate 201 on each side, and the two sides of the bottom of the supporting vertical plate 201 are connected with the bottom frame through supporting legs 200. A group of guide supporting legs 215 of the turnover frame 210 are respectively arranged below the front bearing section 211 and the rear bearing section 213, the first jacking power 203 is arranged between the two groups of guide supporting legs 215, and the bottom of the first jacking power 203 is arranged on the supporting vertical plate 201; two sets of guide wheels 202 are correspondingly arranged on two sides of the supporting vertical plate 201, and each set of guide wheels 202 is provided with two guide wheels 202 along the vertical jacking direction respectively, so as to effectively guide the jacking process and keep the pipe fitting 300 stable in lifting.

Example 3

The gas pipe reversing feeding mechanism of this embodiment, basically the same as above-mentioned embodiment, further, the side of back feeding section 402 still is equipped with the movable stop 416 that upwards extends in this embodiment, and this movable stop 416 below is provided with jacking power, fourth jacking power 418, specifically can adopt multiple common jacking power spare such as cylinder. As shown in fig. 4, the fourth lifting power 418 is installed on one of the connecting legs 404, a guiding slot 417 is further provided on the top of the connecting leg 404, and the movable stopper 416 passes through the guiding slot 417, thereby achieving effective guiding.

The lifting control's that sets up movable stop 416 in this embodiment on back feeding section 402 can cooperate in a flexible way during the use, because tie up and have the concrete requirement to quantity, when the back end is tied up the process and is not accomplished, steerable movable stop 416 jacks up upwards, blocks more pipe fittings 300 and gets into the rear end transmission, makes the rear end keep complying with the pipe fittings 300 of regulation quantity in order to wait to tie up, and the operation accords with the production reality more.

Example 4

The gas pipe reversing feeding mechanism of the present embodiment is basically the same as the above embodiment, and further, as shown in fig. 3, in the present embodiment, the feeding unit is installed on a sliding platform 405, the bottom of the sliding platform 405 is matched with a transverse guide rail 420 arranged on a bottom rack of the system, and a power member for driving the sliding platform 405 to translate along the transverse guide rail 420 is arranged at an end of the sliding platform 405; specifically, various pushing power parts and the like commonly used in the industry can be adopted. So set up the interval between the pay-off unit that can effectively adjust both sides, can support and have enough to meet the need the transmission to the pipe fitting 300 of different length promptly, the suitability is wider.

Similarly, in the reversing unit of this embodiment, the supporting vertical plate 201 and the supporting leg 200 on both sides can also be set to be a sliding structure that can move horizontally with the bottom frame, so that the reversing unit can also be adapted to the operation of the pipe fittings 300 with different lengths, and the specific structure can be set by referring to the sliding platform 405, which is not described herein again.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (9)

1. Gas pipe fitting switching-over feeding mechanism, its characterized in that: the automatic feeding device comprises a reversing unit and a feeding unit, wherein the reversing unit comprises fixed support frames (206) on two sides, a steering support frame (207) is arranged between the fixed support frames (206) on the two sides, and lifting power and rotating power (205) are arranged at the bottom of the steering support frame (207); the side of the fixed support frame (206) is also provided with a turnover frame (210), and the bottom of the turnover frame (210) is provided with jacking power; the feeding unit comprises a front material receiving section (400) used for receiving the pipe fitting (300) and a rear material feeding section (402) used for sending the pipe fitting (300) out backwards, a material blocking lifting section (401) extending upwards is arranged between the front material receiving section (400) and the rear material feeding section (402), and jacking power is arranged on the side edge of the material blocking lifting section (401).

2. The gas pipe reversing and feeding mechanism of claim 1, wherein: in the switching-over unit, all revolving racks (210) are including preceding accepting section (211) that highly reduces gradually, the afterbody of preceding accepting section (211) upwards extends and has well fender material section (212), the top backward highly gradually low extension of well fender material section (212) is for after accepting section (213), the draw-in groove that is used for placing pipe fitting (300) is seted up at fixed support frame (206) top, preceding accepting section (211) length extended position is between the draw-in groove opening of fixed support frame (206), after the length extended position of after accepting section (213) reaches before receiving behind material section (400).

3. The gas pipe reversing and feeding mechanism of claim 2, wherein: the tail part of the rear bearing section (213) is also provided with a tail baffle plate (214) extending upwards.

4. The gas pipe reversing and feeding mechanism of claim 1, wherein: the bottom of the turnover frame (210) is provided with a guide supporting leg (215), and the side frame of the system is correspondingly provided with guide wheels (202) distributed on two sides of the guide supporting leg (215).

5. The gas pipe reversing and feeding mechanism of claim 1, wherein: in the feeding unit, the tail part of the rear feeding section (402) is also provided with a stop block (403) extending upwards, and the heights of the top surfaces of the front receiving section (400) and the rear feeding section (402) are gradually reduced along the conveying direction.

6. The gas pipe reversing and feeding mechanism of claim 1, wherein: the feeding unit further comprises an auxiliary feeding assembly, the auxiliary feeding assembly comprises a jacking mounting seat (408) arranged on the side edge of the rear feeding section (402), and one side of the jacking mounting seat (408) is connected with a longitudinal pushing power (407) and used for driving the jacking mounting seat (408) to translate along the longitudinal direction; install installation grudging post (410) on jacking mount pad (408), installation grudging post (410) top is connected with link (411) through articulated frame (414), and the middle part of link (411) is equipped with keeps off material protruding (412), and the back end of link (411) is transmission section (413) that highly gradually hang down promptly, still is equipped with jacking power on jacking mount pad (408), and this jacking power top links to each other with link (411).

7. The gas pipe reversing and feeding mechanism of claim 1, wherein: in the feeding unit, the side edge of the rear feeding section (402) is also provided with a movable stop block (416) extending upwards, and jacking power is arranged below the movable stop block (416).

8. The gas pipe reversing and feeding mechanism of claim 6, wherein: the feeding unit is installed on a sliding platform (405), the bottom of the sliding platform (405) is matched with a transverse guide rail (420) arranged on a rack at the bottom of the system, and a power part used for driving the sliding platform (405) to move horizontally along the transverse guide rail (420) is arranged at the end part of the sliding platform (405).

9. The gas pipe reversing and feeding mechanism of claim 8, wherein: a longitudinal guide rail (406) is arranged on the sliding platform (405) along the conveying direction, the bottom of the jacking installation seat (408) is matched with the longitudinal guide rail (406), and a longitudinal pushing power (407) is used for driving the jacking installation seat (408) to translate along the longitudinal guide rail (406).

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