CN211394559U - Pipe fitting heat treatment machine - Google Patents

Abstract

The utility model discloses a pipe fitting heat treatment machine, include: the device comprises a feeding mechanism, a heat treatment mechanism, a detection mechanism and an oil immersion mechanism, wherein the detection mechanism is used for detecting heat-treated pipes and is provided with a material receiving guide rail for receiving the pipes from the heat treatment mechanism, a positioning groove for accommodating the pipes on the material receiving guide rail, a detector capable of lifting on the positioning groove, a second motor for driving the pipes to rotate in the positioning groove, and a rotating arm for pulling the pipes out of the positioning groove. The utility model discloses a pipe fitting heat treatment machine can avoid producing a large amount of defective products to the timely detection of pipe fitting through thermal treatment.

Description

Pipe fitting heat treatment machine

Technical Field

The utility model relates to a processing equipment of pipe fitting, in particular to pipe fitting heat treatment machine.

Background

In the prior art, a pipe fitting is cut from a pipe material, and the pipe material can be formed by bending a strip material along the width direction and then welding the strip material.

Thus, the pipe is subject to internal stresses. In order to eliminate internal stresses and, at the same time, to increase the strength of the pipe, the pipe should also be heat treated.

Conventionally, a heat treatment machine is used to perform high-frequency heating and water bath cooling on the pipe fitting to achieve heat treatment of the pipe fitting.

After the heat treatment is finished, the pipe fitting needs to be coated with anti-rust oil for convenient storage.

However, the heat treatment causes the release of internal stress of the pipe, resulting in variations in roundness, bending and length of the pipe, and if defective products occur, the heat treatment parameters must be adjusted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a pipe fitting heat treatment machine, can avoid producing a large amount of defective products to the timely detection of pipe fitting through thermal treatment.

The utility model discloses a first aspect provides a pipe fitting heat treatment machine, include: the feeding mechanism is conveyed along the radial direction of the pipe fitting and is provided with a material loading platform, an inclined conveying belt for lifting the pipe fitting from the material loading platform one by one, an inclined rail for receiving the pipe fitting on the inclined conveying belt and enabling the pipe fitting to be tiled, a swing arm for pulling out the pipe fitting on the inclined rail individually and a first motor for driving the swing arm to rotate; the heat treatment mechanism is used for receiving the pipe fittings provided by the feeding mechanism and carrying out heat treatment, and is provided with an inclined feeding shaft group for supporting and driving the pipe fittings to rotate, a heating part and a water bath part for accommodating the pipe fittings to penetrate, a carrying shaft group positioned at the discharge end of the water bath part, and a side pushing assembly for pushing the pipe fittings out of the carrying shaft group; the detection mechanism is used for detecting the heat-treated pipe fittings and is provided with a material receiving guide rail for receiving the pipe fittings from the heat treatment mechanism, a positioning groove for accommodating the pipe fittings, a detector, a second motor and a rotating arm, wherein the positioning groove is positioned on the material receiving guide rail, the detector is capable of lifting and falling, the second motor is positioned on the positioning groove and drives the pipe fittings to rotate in the positioning groove, and the rotating arm is used for pulling the pipe fittings out of the positioning groove; and the oil immersion mechanism is used for receiving the pipe fittings from the detection mechanism and coating antirust oil, and is provided with a horizontal conveying belt for conveying the pipe fittings and an oil groove for accommodating the horizontal conveying belt to pass through.

Has the advantages that: compared with the prior art, the utility model discloses a pipe fitting heat treatment machine is through setting up feed mechanism to, can be with the one by one promotion of the tubular product that piles up, and then, make tubular product tiling on the ramp, the rethread sets up the swing arm, thereby, carry the one by one to heat treatment mechanism with the pipe fitting, make the pipe fitting by one carry out thermal treatment, avoid a plurality of pipe fittings to carry out thermal treatment side by side, prevent that the pipe fitting from gluing together.

The utility model discloses a pipe fitting heat treatment machine is through setting up slope feeding shaft group, and then, utilizes the rotation of gravity and pipe fitting self for the automatic entering heating portion of pipe fitting and water bath portion accomplish heat treatment, need not consider the space problem that the drive pipe fitting got into the subassembly of heating portion and water bath portion, promptly, need not wait for a pipe fitting to accomplish the heat treatment that heat treatment just carried out another pipe fitting, improved the efficiency of heat treatment.

Furthermore, the utility model discloses a pipe fitting heat treatment machine pushes away the subassembly through setting up the side to, change the moving means of pipe fitting once more, make the quick heat treatment mechanism that follows of pipe fitting break away from, do not obstruct the heat treatment of follow-up pipe fitting.

The utility model discloses a pipe fitting heat treatment machine is still through setting up detection mechanism, makes detection mechanism be located between heat treatment mechanism and the immersion oil mechanism to, can directly verify the result of thermal treatment, avoid the defective products to continuously produce and the difficulty of doing over again that causes behind the immersion oil.

The utility model discloses a pipe fitting heat treatment machine is still through setting up the constant head tank for the pipe fitting stops to remove, conveniently detects, still through the detector that sets up the liftable, thereby, detect a plurality of positions of pipe fitting, avoid lou examining, ensure the validity that detects.

The utility model discloses a pipe fitting heat treatment machine is still through setting up the motor, and then, drives the pipe fitting rotation in the constant head tank, carries out the detection of a plurality of positions, improves and detects the accuracy.

The utility model discloses a pipe fitting heat treatment machine is still through setting up immersion oil mechanism to, to detecting qualified pipe fitting infiltration antirust oil, powerful protection pipe fitting.

According to the utility model discloses a pipe fitting heat treatment machine, be provided with the limiting plate that is used for the butt pipe fitting on the slope conveyer belt, the limiting plate is kept away from the one end of conveyer belt is provided with limit flange, limit flange follows the moving direction of slope conveyer belt extends the setting.

The pipe fitting conveying device has the advantages that the limiting plates and the limiting flanges are arranged, so that the pipe fitting is limited between the limiting flanges and the limiting plates, the height of the limiting plates can be reduced, and the pipe fitting can be conveyed one by one.

According to the utility model discloses the first aspect a pipe fitting heat treatment machine, the swing arm is provided with the cambered surface of dialling the top surface that rises and butt pipe fitting with the pipe fitting, the cambered surface set up in the tip of swing arm, the cambered surface is followed with pipe fitting butt restriction pipe fitting the removal of ramp.

Beneficially, set up the top surface and can promote the pipe fitting, set up the cambered surface and can avoid the pipe fitting card between swing arm and ramp, avoid the jamming, improve feed mechanism's reliability.

According to the utility model discloses a pipe fitting heat treatment machine of first aspect, slope feed shaft group top still is provided with the inductor that detects the pipe fitting and has or not.

The sensor for detecting whether the pipe fitting exists or not is arranged, so that the sensor can be used as the basis for the action of the heat treatment machine, the pipe fitting is ensured to be continuously conveyed, and the work of the heat treatment mechanism is reasonably controlled.

According to the utility model discloses a pipe fitting heat treatment machine, slope feeding shaft group has two parallel arrangement's driving shaft, two the driving shaft sets up the supporting wheel of a plurality of support pipe fittings respectively.

The two driving shafts are arranged, so that the rotation of the pipe fitting can be accelerated, the pipe fitting is heated uniformly, the heat treatment quality is high, and the supporting wheels are arranged on the driving shafts, so that the contact with the pipe fitting can be reduced, the heat loss is reduced, and the pipe fitting is heated fully.

According to the utility model discloses an aspect a pipe fitting heat treatment machine, the side pushes away the subassembly and includes that a plurality of sides push away the jack catch, push away first support, the drive that the jack catch is connected with a plurality of sides the first power piece of first support translation, the side pushes away the breach that the jack catch is provided with the holding pipe fitting, the breach is provided with follows the pipe fitting carry the inclined plane that the axle group promoted.

The pipe fitting pushing device has the advantages that the plurality of side pushing claws can push different parts of the pipe fitting, and the pipe fitting is prevented from being inclined and rolling off. Set up the inclined plane, on the one hand, can shift out the quick follow material axle group of pipe fitting, on the other hand also can make quick roll to detection mechanism of pipe fitting, avoids the pipe fitting to persist in side pushing mechanism department.

According to the utility model discloses a pipe fitting heat treatment machine, the detector is including detecting, drive the second power spare that detects the piece and go up and down, detect the piece including connecting the second support of second power spare, with the adjustable first arm and the second arm of rotating the connection of second support, the second support first arm with the second arm all is provided with a detection portion.

The beneficial effect is that, through setting up second power spare, second support and can adjust pivoted first arm and second arm relatively the second support to, can detect each position on the radial surface of pipe fitting, conveniently confirm whether qualified parameters such as the circularity of pipe fitting.

According to the utility model discloses a pipe fitting heat treatment machine, detection mechanism still is provided with and pushes down the subassembly, it is used for with the pipe fitting spacing in the constant head tank to push down the subassembly, it is provided with from the driving wheel of butt pipe fitting to push down the subassembly.

Profitable is, through setting up the push-down subassembly, can be spacing in the constant head tank with the pipe fitting, avoid the pipe fitting to deviate from, also ensure that the transmission of pipe fitting and motor is reliable for the pipe fitting can last the rotation under the drive of motor, improves and detects the accuracy.

According to the utility model discloses a pipe fitting heat treatment machine of first aspect, detection mechanism still includes the length detection ware, and the length detection ware has telescopic butt portion and fixed mould portion that leans on, butt portion with lean on the both ends butt of mould portion and pipe fitting to detect.

The pipe fitting bending degree evaluation device has the advantages that the die leaning part and the abutting part are arranged, so that the length of the pipe fitting can be conveniently detected, the bending degree of the pipe fitting can be conveniently confirmed due to the fact that the length of the pipe fitting is far larger than the diameter of the pipe fitting, and the heat treatment quality can be evaluated in an all-around mode.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of the detection mechanism of fig. 1.

Reference numerals: 100-a feeding mechanism, 110-a material loading platform, 120-an inclined conveying belt, 121-a limiting plate, 122-a limiting flange, 130-an inclined rail and 140-a swing arm;

200-heat treatment mechanism, 210-inclined feeding shaft group, 211-driving shaft, 212-supporting wheel, 220-heating part, 230-water bath part, 240-material carrying shaft group, 250-side pushing component, 251-side pushing claw, 252-notch and 253-inclined plane;

300-a detection mechanism, 310-a material receiving guide rail, 311-a positioning groove, 320-a detector, 321-a second power part, 322-a second bracket, 323-a first arm, 324-a second arm, 330-a second motor, 340-a rotating arm, 350-a pressing component, 351-a driven wheel, 360-a length detector and 370-an inductor;

400-oil immersion mechanism, 410-oil immersion tank, 420-horizontal conveyer belt.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a pipe heat treatment machine is provided, which mainly comprises a feeding mechanism 100, a heat treatment mechanism 200, a detection mechanism 300 and an oil immersion mechanism 400.

Wherein the feeding mechanism 100 is used for providing the pipe to be heat treated, and the conveying direction of the pipe is along the radial direction of the pipe.

In composition, the feeding mechanism 100 has a loading platform 110, an inclined conveyor belt 120 for lifting the pipes one by one from the loading platform 110, a ramp 130 for receiving the pipes on the inclined conveyor belt 120 and laying the pipes flat, a swing arm 140 for pulling out the pipes on the ramp 130 individually, and a first motor for driving the swing arm 140 to rotate.

That is, the pipe is placed on the loading platform 110, then is conveyed by the inclined conveyor belt 120, then falls on the inclined rail 130, and rolls along the low point of the inclined rail 130 until the pipe is flatly laid on the inclined rail 130, and further, the swing arm 140 swings upward to jack up one pipe, and the pipe rolls out from the inclined rail 130.

It is apparent that the heat treatment mechanism 200 is configured to heat treat the pipe from the feeding mechanism 100, and here, the high frequency heat treatment is mainly referred to.

In the composition, the heat treatment mechanism 200 has an inclined feeding shaft group 210 for supporting and driving the pipe fittings to rotate, a heating part 220 and a water bath part 230 for accommodating the pipe fittings to pass through, a carrying shaft group located at the discharge end of the water bath part 230, and a side pushing assembly 250 for pushing the pipe fittings out of the carrying shaft group.

The inclined feeding shaft group 210 conveys the pipe along the axial direction of the pipe, specifically, two parallel and inclined shafts, one of which is connected with power, or two shafts are connected with power at the same time.

The heating portion 220 heats the pipe by using the principle of high-frequency induction heating, and the water bath portion 230 sprays water or a liquid specially used for cooling on the pipe to rapidly cool the pipe and realize heat treatment, which belongs to common knowledge in the field of heat treatment and is not described in detail.

The carrier shaft assembly is located at the discharge end of the water bath section 230 and is configured to receive the pipe from the water bath section 230, similar in structure to the inclined feed shaft assembly 210, but may be unpowered.

The side thrust assembly 250 is used to remove the tubular from the carrier shaft assembly and, in effect, change the tubular's movement from axial to radial rolling.

That is, in the heat treatment mechanism 200, the pipe is driven by the inclined feeding shaft group 210 to rotate and is conveyed along the axial direction of the pipe, so that the pipe enters the heating part 220 and the water bath part 230 for heat treatment, and then enters the loading shaft group after going out through the water bath part 230, and then the side pushing assembly 250 pushes the loading shaft group out of the pipe, so that the pipe enters the next process.

For the detection mechanism 300, the detection mechanism 300 is used to detect the size data and shape data of the heat-treated pipe.

In composition, the detection mechanism 300 has a material receiving guide rail 310 for receiving the pipe fitting from the heat treatment mechanism 200, a positioning groove 311 located on the material receiving guide rail 310 for accommodating the pipe fitting, a detector 320 located on the positioning groove 311 and capable of ascending and descending, a second motor 330 for driving the pipe fitting to rotate in the positioning groove 311, and a rotating arm 340 for pulling the pipe fitting out of the positioning groove 311.

That is to say, the pipe fitting that comes from heat treatment mechanism 200 rolls along receiving guide rail 310, then rolls to in the constant head tank 311, and then, detector 320 descends, moves to the detection position, and then, detector 320 detects the data of pipe fitting, and immediately, second motor 330 drives the pipe fitting and rotates for detector 320 can detect the different positions of pipe fitting, thereby, obtains complete detection data, and convenient accurate evaluation pipe fitting's size and shape meet the requirements.

For the oil immersion mechanism 400, the oil immersion mechanism 400 is used for receiving the pipe fittings from the detection mechanism 300 and coating the anti-rust oil, and structurally comprises a horizontal conveying belt 420 for conveying the pipe fittings and an oil groove for accommodating the horizontal conveying belt 420.

The function of the immersion mechanism 400 is easy to understand and will not be described in detail.

In this embodiment, at first, through setting up feed mechanism 100 to, can be with the one by one promotion of the tubular product of piling up, and then, make tubular product tile on ramp 130, the rethread sets up swing arm 140, thereby, carry the pipe one by one to heat treatment mechanism 200, make the pipe fitting be by one carry out heat treatment, avoid the heat treatment that carries out side by side of a plurality of pipe fittings, prevent that the pipe fitting from gluing together.

In this embodiment, secondly, through setting up slope feeding shaft group 210, and then, utilize the rotation of gravity and pipe fitting self for the automatic heating portion 220 and the water bath portion 230 of getting into of pipe fitting accomplish heat treatment, need not consider the space problem that drives the subassembly that the pipe fitting got into heating portion 220 and water bath portion 230, promptly, need not wait for a pipe fitting to accomplish the heat treatment just carries out the heat treatment of another pipe fitting, improved the efficiency of heat treatment.

Moreover, in the embodiment, the side pushing assembly 250 is further arranged, so that the moving mode of the pipe is changed again, the pipe is quickly separated from the heat treatment mechanism 200, and the heat treatment of the subsequent pipe is not hindered.

In addition, in this embodiment, the detection mechanism 300 is further disposed between the heat treatment mechanism 200 and the oil immersion mechanism 400, so that the heat treatment result can be directly verified, and the continuous generation of defective products and the difficulty in rework caused by the oil immersion can be avoided.

Specially, this embodiment is still through setting up constant head tank 311 for the pipe fitting stops to remove, conveniently detects, still through the detector 320 that sets up the liftable, thereby, detect a plurality of positions of pipe fitting, avoid lou examining, ensure the validity that detects.

Additionally, this embodiment is still through setting up the motor, and then, drives the pipe fitting rotation in the constant head tank 311, carries out the detection of a plurality of positions, improves and detects the accuracy.

Obviously, the oil immersion mechanism 400 is further arranged in the embodiment, so that the qualified pipe fittings are immersed in the anti-rust oil, and the pipe fittings are protected powerfully.

In some embodiments, it is preferable that the inclined conveyor belt 120 is provided with a limiting plate 121 for abutting against a pipe, an end of the limiting plate 121 away from the conveyor belt is provided with a limiting flange 122, and the limiting flange 122 extends along the moving direction of the inclined conveyor belt 120.

This embodiment is through setting up limiting plate 121 and spacing flange 122 for the pipe fitting is spacing between spacing flange 122 and limiting plate 121, both can reduce the height of limiting plate 121, can realize carrying one by one of pipe fitting again.

In some embodiments, it is preferable that the swing arm 140 is provided with a top surface for lifting the tubular and an arc surface for abutting against the tubular, the arc surface being provided at an end of the swing arm 140, the arc surface abutting against the tubular for limiting the movement of the tubular along the ramp 130.

Swing arm 140 sets up the top surface and can promote the pipe fitting, sets up the cambered surface and can avoid the pipe fitting card between swing arm 140 and ramp 130, avoids the jamming, improves feed mechanism 100's reliability.

In some embodiments, it is preferable that a sensor 370 for detecting the presence of a pipe is further disposed above the inclined feeding shaft group 210.

The sensor 370 for detecting the existence of the pipe can be used as the basis for the action of the heat treatment machine, so that the pipe can be continuously conveyed, and the work of the heat treatment mechanism 200 can be reasonably controlled.

The sensor 370 may be in various forms, such as light sensing, electromagnetic sensing, etc.

In some preferred embodiments, the inclined feeding shaft group 210 may have two driving shafts 211 arranged in parallel, and the two driving shafts 211 are respectively provided with a plurality of supporting wheels 212 for supporting the pipe.

The inclined feeding shaft group 210 is provided with two driving shafts 211, so that the rotation of the pipe fitting can be accelerated, the pipe fitting is heated uniformly, the heat treatment quality is high, and the supporting wheels 212 are arranged on the driving shafts 211, so that the contact with the pipe fitting can be reduced, the heat loss is reduced, and the pipe fitting is heated sufficiently.

In some embodiments, the side pushing assembly 250 may include a plurality of side pushing claws 251, a first bracket connecting the plurality of side pushing claws 251, and a first power member driving the first bracket to translate, where the side pushing claws 251 are provided with notches 252 for receiving pipes, and the notches 252 are provided with inclined surfaces 253 for lifting the pipes from the carrying shaft set.

The side push claws 251 are arranged to push different parts of the pipe fitting, so that the pipe fitting is prevented from being inclined and rolling off. The inclined plane 253 is arranged, so that on one hand, the pipe can be rapidly moved out of the material shaft group, on the other hand, the pipe can be rapidly rolled to the detection mechanism 300, and the pipe is prevented from being left at the side pushing mechanism.

In some embodiments, referring to fig. 2, the detecting apparatus 320 includes a detecting element and a second power element 321 for driving the detecting element to ascend and descend, the detecting element includes a second bracket 322 connected to the second power element 321, and a first arm 323 and a second arm 324 adjustably and rotatably connected to the second bracket 322, and the second bracket 322, the first arm 323, and the second arm 324 are each provided with a detecting portion.

Through the arrangement of the second power part 321, the second bracket 322, and the first arm 323 and the second arm 324 which can adjust and rotate relative to the second bracket 322, each position of the radial surface of the pipe fitting can be detected, and whether the parameters such as the roundness of the pipe fitting are qualified or not can be conveniently confirmed.

In some embodiments, it is preferable that the detecting mechanism 300 is further provided with a pressing component 350, the pressing component 350 is used for limiting the pipe fitting in the positioning groove 311, and the pressing component 350 is provided with a driven wheel 351 abutting against the pipe fitting.

In this embodiment, through setting up the pressure assembly 350 down, can be spacing in constant head tank 311 with the pipe fitting, avoid the pipe fitting to deviate from, also ensure that the transmission of pipe fitting and motor is reliable for the pipe fitting can last the rotation under the drive of motor, improves and detects the accuracy.

In some embodiments, the detection mechanism 300 further comprises a length detector 360, the length detector 360 having a retractable abutment and a fixed die portion, the abutment and die portion being configured to detect abutment with two ends of a pipe.

Through setting up die holding portion and butt portion to, the length of pipe fitting that can be convenient detects, because the length of pipe fitting is far greater than its diameter, the crooked degree of confirmation pipe fitting that can be convenient, the quality of omnidirectional evaluation heat treatment.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (9)

1. A pipe heat treating machine, comprising:

the feeding mechanism (100) is used for conveying the pipe fittings in the radial direction and is provided with a material loading platform (110), an inclined conveying belt (120) for lifting the pipe fittings from the material loading platform (110) one by one, an inclined rail (130) for receiving the pipe fittings on the inclined conveying belt (120) and enabling the pipe fittings to be tiled, a swing arm (140) for pulling out the pipe fittings on the inclined rail (130) individually, and a first motor for driving the swing arm (140) to rotate;

the heat treatment mechanism (200) is used for receiving and carrying out heat treatment on the pipe fittings provided by the feeding mechanism (100), and is provided with an inclined feeding shaft group (210) for supporting and driving the pipe fittings to rotate, a heating part (220) and a water bath part (230) for accommodating the pipe fittings to penetrate, a carrying shaft group positioned at the discharge end of the water bath part (230), and a side pushing assembly (250) for pushing the pipe fittings out of the carrying shaft group;

the detection mechanism (300) is used for detecting the heat-treated pipe fittings and is provided with a material receiving guide rail (310) for receiving the pipe fittings from the heat treatment mechanism (200), a positioning groove (311) which is positioned on the material receiving guide rail (310) and is used for accommodating the pipe fittings, a detector (320) which is positioned on the positioning groove (311) and can lift up and down, a second motor (330) for driving the pipe fittings to rotate in the positioning groove (311), and a rotating arm (340) for pulling the pipe fittings out of the positioning groove (311);

the oil immersion mechanism (400) is used for receiving the pipe fittings from the detection mechanism (300) and coating antirust oil, and is provided with a horizontal conveying belt (420) for conveying the pipe fittings and an oil groove for accommodating the horizontal conveying belt (420) to pass through.

2. Pipe heat treating machine according to claim 1, characterized in that the inclined conveyor belt (120) is provided with a limiting plate (121) for abutting against a pipe, the end of the limiting plate (121) away from the conveyor belt is provided with a limiting flange (122), and the limiting flange (122) extends along the moving direction of the inclined conveyor belt (120).

3. A pipe heat treating machine according to claim 1, characterized in that the swing arm (140) is provided with a top surface for lifting the pipe and an arc surface for abutting against the pipe, the arc surface being provided at the end of the swing arm (140), the arc surface abutting against the pipe limiting the movement of the pipe along the ramp (130).

4. The pipe heat treating machine of claim 1, wherein a sensor (370) is further disposed above the inclined feed shaft assembly (210) for detecting the presence of a pipe.

5. A pipe heat treating machine according to claim 1, characterized in that the inclined feed shaft group (210) has two drive shafts (211) arranged in parallel, the two drive shafts (211) being provided with a number of support wheels (212) for supporting the pipe, respectively.

6. The pipe heat treatment machine according to claim 1, wherein the side pushing assembly (250) comprises a plurality of side pushing claws (251), a first bracket connecting the plurality of side pushing claws (251), and a first power member driving the first bracket to translate, the side pushing claws (251) are provided with notches (252) for accommodating the pipe, and the notches (252) are provided with inclined surfaces (253) for lifting the pipe from the carrying shaft group.

7. The pipe heat treating machine according to claim 1, wherein the detector (320) comprises a detecting member and a second power member (321) for driving the detecting member to ascend and descend, the detecting member comprises a second bracket (322) connected to the second power member (321), a first arm (323) and a second arm (324) which are adjustably and rotatably connected to the second bracket (322), and the second bracket (322), the first arm (323) and the second arm (324) are provided with a detecting portion.

8. A pipe heat treating machine according to claim 1, characterized in that the detection mechanism (300) is further provided with a hold-down assembly (350), the hold-down assembly (350) being adapted to retain the pipe in the positioning slot (311), the hold-down assembly (350) being provided with a driven wheel (351) abutting the pipe.

9. The pipe heat treating machine according to claim 1, wherein the detecting mechanism (300) further comprises a length detector (360), the length detector (360) has a retractable abutting portion and a fixed die-holding portion, and the abutting portion and the die-holding portion are abutted against both ends of the pipe for detection.

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