CN214732336U - Vertical tube drawing automatic material transferring device - Google Patents

Abstract

The utility model relates to an automatic material device that changes of vertical taking out pipe, including positioning mechanism, transport mechanism, take out tub mechanism, right mechanism and receiving agencies, positioning mechanism is used for advancing the pipe fitting that comes with the process of last way and fixes a position, transport mechanism is used for carrying the pipe fitting that fixes a position to taking out tub mechanism, right mechanism is used for pressing from both sides the pipe fitting clamp that will take out on tub mechanism and tightly right, taking out tub mechanism is used for taking out tub operation to the pipe fitting, and the pipe fitting that takes out tub and accomplish is carried to receiving agencies through transport mechanism. The utility model discloses utilize positioning mechanism, transport mechanism and the commentaries on classics material operation of righting the mechanism and accomplishing the pipe fitting, compare manual operation before, improved production efficiency greatly and reduced the cost of labor.

Description

Vertical tube drawing automatic material transferring device

Technical Field

The utility model relates to a change the material device, concretely relates to vertical take out pipe is from moving material device.

Background

In order to make bicycle frame lightweight, the frame pipe fitting need use and takes out a tub technology, takes out a tub technology and is the tubular product that tubular product obtained after through jacket mould and inner core stick extrusion, can make the wall thickness thickening lifting strength in high hard power district through taking out a tub technique, and wall thickness attenuate is accomplished to low stress district wall thickness attenuate under the prerequisite that satisfies intensity, makes the frame lightweight more. At present, in the process of vertical pipe drawing, personnel are adopted to transfer materials, so that the labor cost is high, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides an automatic material device that changes of vertical take-out pipe utilizes the mutually supporting between positioning mechanism, transport mechanism and the mechanism of rightting among the device, accomplishes automatic material operation that changes, has improved production efficiency greatly and has reduced the cost of labor.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

the utility model provides an automatic material device that changes of vertical taking out pipe, includes positioning mechanism, transport mechanism, takes out a tub mechanism, rights mechanism and receiving agencies, positioning mechanism is used for fixing a position the pipe fitting that the last process was carried, transport mechanism is used for carrying the pipe fitting that fixes a position to taking out a tub mechanism, rights mechanism is used for pressing from both sides the pipe fitting clamp on the taking out a tub mechanism and rights, taking out a tub mechanism is used for taking out a tub operation to the pipe fitting, and the pipe fitting that the taking out was accomplished is carried to receiving agencies through transport mechanism.

Preferably, positioning mechanism includes first support, slope on the first support and arrange a location platform, be equipped with two parallel first constant head tanks and second constant head tanks on the location platform, the pipe fitting falls into in first constant head tank and the second constant head tank horizontally.

Preferably, a supporting block is arranged in the positioning table below the first positioning groove, a first driving cylinder is fixedly mounted on one side of the positioning table, the supporting block is mounted in the positioning table through a supporting point, the upper end of the supporting block retracts into the positioning table, the first driving cylinder enables the upper end of the supporting block to extend out of the positioning table through acting on the lower end of the supporting block, a baffle is fixedly arranged on one side of the second positioning groove, a clamping jaw groove is formed in the positioning table, and the clamping jaw groove is perpendicular to the first positioning groove.

Preferably, the carrying mechanism comprises a six-axis robot and a clamping mold connected with the six-axis robot, the clamping mold comprises a connecting shaft, a clamping frame and first clamping jaws, the upper end of the connecting shaft is connected with the six-axis robot, the lower end of the connecting shaft is fixedly connected with the clamping frame, and the clamping frame is at least provided with four first clamping jaws.

Preferably, the clamping frame is provided with two parallel beams, each beam is provided with two first clamping jaws in parallel, and the first clamping jaws are controlled to open and close through cylinders.

Preferably, the tube drawing mechanism comprises a second support, a tube drawing core shaft and a tube drawing sleeve die, the tube drawing sleeve die is vertically arranged on the second support, the tube drawing core shaft is located right above the tube drawing sleeve die, the tube drawing core shaft is fixedly connected with an oil cylinder, and the centering mechanism is fixed on the second support.

Preferably, the righting mechanism comprises a third support, a clamping jaw frame, a second clamping jaw and a second driving air cylinder, the third support is fixed on the second support, the second driving air cylinder is installed on the third support, the clamping jaw frame is fixedly connected to a piston rod of the second driving air cylinder, the two second clamping jaws are fixedly installed on the clamping jaw frame, and the second clamping jaws are controlled to be opened and closed through a stepping motor.

Preferably, the receiving mechanism comprises a fourth support, a conveying belt, a third driving cylinder, a material pushing plate and a receiving platform, the conveying belt and the receiving platform are arranged on the fourth support, the third driving cylinder is mounted at the tail end of the conveying belt, the material pushing plate is fixedly connected to a piston rod of the third driving cylinder, the receiving platform is obliquely mounted on the fourth support, and the third driving cylinder can drive the material pushing plate to push the pipe fittings on the conveying belt to the receiving platform.

The utility model has the advantages that: the utility model discloses a positioning mechanism, transport mechanism, tube drawing mechanism, righting mechanism and receiving agencies, positioning mechanism is used for fixing a position the pipe fitting that the process was carried on the first hand, transport mechanism is used for carrying the pipe fitting that will fix a position to tube drawing mechanism, the second clamping jaw of righting mechanism is used for pressing from both sides the pipe fitting that takes out before the tube drawing in the tube drawing mechanism or after taking out the tube tightly, prevents that the pipe fitting from falling down, and tube drawing mechanism is used for taking out the pipe operation to the pipe fitting, and the pipe fitting after taking out utilizes transport mechanism to carry to receiving agencies, the utility model discloses in utilize positioning mechanism, transport mechanism and righting mechanism, accomplish the automatic material transferring operation of vertical tube drawing in-process, replaced traditional manual work to production efficiency has been improved, reduced personnel's intensity of labour and practiced thrift the cost of labor.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the middle positioning mechanism of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic structural view of a middle part of the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a schematic structural view of the material receiving mechanism of the present invention;

FIG. 7 is an enlarged view at C of FIG. 6;

in the figure: 10-a positioning mechanism, 11-a first bracket, 12-a positioning table, 13-a first positioning groove, 14-a second positioning groove, 15-a supporting block, 16-a first driving cylinder, 17-a baffle plate, 18-a clamping jaw groove,

20-a carrying mechanism, 21-a six-axis robot, 22-a clamping mould, 23-a connecting shaft, 24-a clamping frame, 25-a first clamping jaw,

30-a tube drawing mechanism, 31-a second bracket, 32-a tube drawing mandrel, 33-a tube drawing sleeve die,

40-a righting mechanism, 41-a third bracket, 42-a clamping jaw frame, 43-a second clamping jaw, 44-a second driving cylinder,

50-a material receiving mechanism, 51-a fourth bracket, 52-a conveying belt, 53-a third driving cylinder, 54-a material pushing plate, 55-a material receiving platform and 60-a pipe fitting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example (b): as shown in fig. 1 to 7, the vertical pipe drawing automatic transfer device includes a positioning mechanism 10, a carrying mechanism 20, a pipe drawing mechanism 30, a centering mechanism 40, and a material receiving mechanism 50, where the positioning mechanism 10 is configured to position a pipe 60 conveyed in a previous process, the carrying mechanism 20 is configured to carry the positioned pipe to the pipe drawing mechanism 30, the centering mechanism 40 is configured to clamp and center the pipe 60 on the pipe drawing mechanism 30, the pipe drawing mechanism 30 is configured to perform a pipe drawing operation on the pipe, and the pipe 60 after pipe drawing is conveyed to the material receiving mechanism 50 through the carrying mechanism 20. The pipe fitting 60 enters the positioning mechanism 10 after passing through the necking of the necking machine, the positioning mechanism 10 horizontally limits the pipe fitting, so that the placing sequence of the pipe fitting is convenient for the conveying mechanism 20 to clamp, the conveying mechanism 20 horizontally grabs the pipe fitting and then conveys the pipe fitting to the pipe pumping mechanism 30, the pipe fitting is rotated to the vertical direction and then inserted into the pipe pumping mechanism 30, the centering mechanism 40 extends out to clamp the pipe fitting 60, the pipe pumping mechanism 30 performs pipe pumping treatment on the pipe fitting, the pipe fitting is loosened by the centering mechanism, the pipe pumping mechanism returns the pipe fitting to the original position during operation, the pipe fitting is clamped again by the centering mechanism, the conveying mechanism 20 is convenient to clamp, the pipe fitting is grabbed again by the conveying mechanism and the pipe fitting is conveyed to the material receiving mechanism 50; the utility model discloses utilize positioning mechanism, transport mechanism and the commentaries on classics material operation of righting the mechanism and accomplishing the pipe fitting, compare manual operation before, improved production efficiency greatly and reduced the cost of labor.

As shown in fig. 2 and 3, the positioning mechanism 10 includes a first bracket 11, a positioning table 12 is disposed on the first bracket 11, two parallel first positioning grooves 13 and second positioning grooves 14 are disposed on the positioning table 12, and the pipe 60 horizontally falls into the first positioning grooves 13 and the second positioning grooves 14.

A supporting block 15 is arranged in the positioning table 12 below the first positioning groove 13, a first driving cylinder 16 is fixedly mounted on one side of the positioning table 12, the supporting block 15 is mounted in the positioning table 12 through a supporting point, the upper end of the supporting block 15 retracts into the positioning table 12, the first driving cylinder 16 acts on the lower end of the supporting block 15 to enable the upper end of the supporting block 15 to extend out of the positioning table 12, a baffle 17 is fixedly arranged on one side of the second positioning groove 14, a clamping jaw groove 18 is formed in the positioning table 12, and the clamping jaw groove 18 is perpendicular to the first positioning groove 13.

The positioning table 12 is mounted obliquely to the first support 11, so that the pipe 60, when falling onto the positioning table 12, can fall along the positioning table, and respectively fall into a first positioning groove 13 and a second positioning groove 14, the first positioning groove 13 is positioned above the second positioning groove 14, the pipe fitting falls onto a positioning table 12 after being reduced by a reducing machine, and then falls down along the positioning table 12 into the first positioning groove 13, and when the supporting block 15 is retracted into the positioning table, the pipe continues to fall down into the second positioning groove 14, is stopped by the baffle 17 at the lower side of the second positioning groove and is arranged in the second positioning groove 14, the other pipe continues to fall down to the positioning table and falls down to the first positioning groove 13 along the positioning table, at the moment, the supporting block 15 extends out of the positioning table under the action of the first driving cylinder 16 to block the pipe, the pipe fitting is placed in the first positioning groove 13, and the two pipe fittings wait for the carrying mechanism after being positioned; the principle that the supporting block 15 can extend out of or retract into the positioning table 12 is as follows: the positive middle part of supporting shoe 15 supports in the location platform through a strong point, under the natural state, the upper end indentation in the location platform of supporting shoe 15 level arrangement and supporting shoe, the pipe fitting can continue the whereabouts when falling into first constant head tank 13 this moment, and rolls into the second constant head tank, when the supporting shoe lower extreme is pushed down in the first forward operation that drives actuating cylinder 16, upwards perk and stretch out the location platform in the upper end of supporting shoe 15, the supporting shoe that is stretched out when the pipe fitting falls into first constant head tank 13 this moment blocks and stays in first constant head tank.

As shown in fig. 4, the carrying mechanism 20 includes a six-axis robot 21 and a clamp mold 22 connected to the six-axis robot, the clamp mold 22 includes a connecting shaft 23, a clamp frame 24 and first clamping jaws 25, the upper end of the connecting shaft 23 is connected to the six-axis robot 21, the lower end of the connecting shaft is fixedly connected to the clamp frame 24, and at least four first clamping jaws 25 are disposed on the clamp frame 24.

As shown in fig. 5, the gripping frame 24 is provided with two parallel beams, each beam is provided with two parallel first clamping jaws 25, and the opening and closing of the first clamping jaws 25 are controlled by an air cylinder. The six-axis robot 21 can drive the gripping mold 22 to turn up and down and rotate by the connecting shaft 23, the six-axis robot is a conventional technology in the field, and will not be further described herein, two sets of first clamping jaws 25 are provided on the gripping frame, and two first clamping jaws 25 on each cross beam form one set, that is, the gripping mold 22 can grip two pipes 60 at the same time, in order to cooperate with the operation of the pipe drawing mechanism 30, because two pipe drawing sleeve molds 33 are provided on the pipe drawing mechanism 30, that is, the pipe drawing mechanism performs pipe drawing operation on two pipes at the same time, when the gripping mold 22 grips two pipes in the first positioning groove and the second positioning groove of the positioning mechanism horizontally, and carries the pipes to the pipe drawing mechanism 30, and turns the pipes to a vertical state, the gripping mold 22 rotates a set of empty first clamping jaws 25 to the upper side of the pipe drawing mechanism and grips the pipes that are well drawn, and rotating the clamping mold to enable the pipe fittings to be subjected to pipe drawing to rotate above the pipe drawing mechanism, placing the two pipe fittings into the pipe drawing mechanism, clamping the pipe fittings by using the centering mechanism 40, and finally conveying the pipe fittings subjected to pipe drawing to the receiving mechanism 50 by using the conveying mechanism 20.

As shown in fig. 4 and 5, the tube drawing mechanism 30 includes a second support 31, a tube drawing core shaft 32, and a tube drawing sleeve die 33, the tube drawing sleeve die 33 is vertically disposed on the second support 31, the tube drawing core shaft 32 is located right above the tube drawing sleeve die 33, the tube drawing core shaft is fixedly connected to an oil cylinder, and the centering mechanism 40 is fixed on the second support 31. The pipe drawing mandrel 32 is driven to move up and down by an oil cylinder (not shown in the figure), a piston rod of the oil cylinder is fixedly connected with a pipe drawing mandrel 32, two groups of pipe drawing mandrels 32 are arranged in the embodiment, the conveying mechanism 20 vertically places the pipe fittings on the pipe drawing sleeve die 33, in order to prevent the pipe 60 from falling down, the pipe is clamped by the righting mechanism 40, when the pipe is drawn, the pipe drawing core shaft 32 is driven by the oil cylinder to move downwards and is inserted into the pipe, and further drives the pipe to move downwards, so that the pipe passes through the pipe drawing sleeve die 33 to complete the pipe drawing operation (namely the pipe wall of the pipe is thinned after the pipe passes through the pipe drawing sleeve die), then the tube drawing core shaft 32 moves upwards to drive the tube to move above the tube drawing sleeve die, the pipe is clamped by the centering mechanism again, the tube drawing core shaft 32 continues to move upwards to complete the demoulding action, and finally the tube after tube drawing is clamped by the carrying mechanism through the first clamping jaw 25 and is carried to the material receiving mechanism.

As shown in fig. 5, the righting mechanism 40 includes a third bracket 41, a jaw holder 42, a second jaw 43, and a second driving cylinder 44, the third bracket 41 is fixed on the second bracket 31, the second driving cylinder 44 is mounted on the third bracket 41, the jaw holder 42 is fixedly connected to a piston rod of the second driving cylinder, two second jaws 43 are fixedly mounted on the jaw holder 42, and the opening and closing of the second jaws 43 are controlled by a stepping motor. The second driving cylinder 44 can drive the second clamping jaw 43 to move back and forth, and when the pipe fitting needs to be clamped, the second driving cylinder drives the second clamping jaw to extend into the pipe fitting, and the second clamping jaw 43 is controlled to clamp through the stepping motor; when the pipe fitting is released, the stepping motor controls the second clamping jaw 43 to open, the pipe fitting is released, and the second driving cylinder drives the second clamping jaw to retreat and return to the original position.

As shown in fig. 6 and 7, the material receiving mechanism 50 includes a fourth bracket 51, a conveyor belt 52, a third driving cylinder 53, a material pushing plate 54 and a material receiving platform 55, the conveyor belt 52 and the material receiving platform 55 are disposed on the fourth bracket 51, the third driving cylinder 53 is mounted at the end of the conveyor belt, the material pushing plate 54 is fixedly connected to a piston rod of the third driving cylinder 53, the material receiving platform 55 is obliquely mounted on the fourth bracket 51, and the third driving cylinder 53 can drive the material pushing plate 54 to push the pipe 60 on the conveyor belt 52 to the material receiving platform 55. When the conveying mechanism 20 places the pipe on the conveying belt 52, the conveying belt 52 conveys the pipe to the material pushing plate 54, the material pushing plate 54 is driven by the third driving cylinder 53 to move forward to push the pipe on the conveying belt into the material receiving table 55, and the material receiving table is arranged obliquely, so that the pipe slides down along the material receiving table to complete the material receiving work.

The utility model discloses an operation process: the method comprises the following steps:

the method comprises the following steps: the pipe fitting falls into the positioning table 12 after being reduced by the reducing machine, then falls into the first positioning groove 13 along the positioning table 12, the supporting block 15 retracts into the positioning table, the pipe fitting continuously falls into the second positioning groove 14, is stopped by the baffle 17 at the lower side of the second positioning groove and is arranged in the second positioning groove 14, the other pipe fitting continuously falls into the positioning table and falls into the first positioning groove 13 along the positioning table, and at the moment, the supporting block 15 extends out of the positioning table under the action of the first driving cylinder 16 to stop the pipe fitting, so that the pipe fitting is arranged in the first positioning groove 13;

step two: the six-axis robot 21 drives the clamping mold 22 to the positioning mechanism, the first clamping jaw 25 extends into the clamping jaw groove 18 to horizontally clamp the two pipe fittings 60 on the positioning mechanism, then the pipe fittings are conveyed to the pipe drawing mechanism 30, the pipe fittings are turned to be in a vertical state, the clamping mold 22 firstly rotates the two empty first clamping jaws 25 to the position above the pipe drawing mechanism and clamps the well-drawn pipe fittings, and then the clamping mold is rotated to enable the pipe fittings which are just clamped from the positioning mechanism to rotate to the position above the pipe drawing mechanism and place the two pipe fittings into the pipe drawing mechanism;

step three: the second clamping jaw 43 on the centering mechanism 40 clamps the pipe, the pipe drawing core shaft 32 moves downwards under the driving of the oil cylinder, is inserted into the pipe and drives the pipe to move downwards further, so that the pipe is drawn by the pipe drawing sleeve die 33 (namely, the pipe wall of the pipe is thinned after the pipe passes through the pipe drawing sleeve die), then the pipe drawing core shaft 32 moves upwards to drive the pipe to move to the upper part of the pipe drawing sleeve die, the centering mechanism clamps the pipe again, and the pipe drawing core shaft 32 continues to move upwards to complete the demoulding action;

step four: meanwhile, the conveying mechanism 20 conveys the tube to the conveying belt 52 of the material receiving mechanism 50, the conveying belt 52 conveys the tube to the material pushing plate 54, the material pushing plate 54 moves forward under the driving of the third driving cylinder 53 to push the tube on the conveying belt into the material receiving table 55, and the material receiving table is obliquely arranged, so that the tube slides down along the material receiving table to complete the material receiving work.

It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. The utility model provides an automatic material device that changes of vertical take-out pipe which characterized in that: the pipe drawing mechanism comprises a positioning mechanism (10), a carrying mechanism (20), a pipe drawing mechanism (30), a righting mechanism (40) and a receiving mechanism (50), wherein the positioning mechanism (10) is used for positioning a pipe fitting (60) conveyed by the previous process, the carrying mechanism ()20 is used for carrying the positioned pipe fitting to the pipe drawing mechanism (30), the righting mechanism (40) is used for clamping and righting the pipe fitting (60) on the pipe drawing mechanism (30), the pipe drawing mechanism (30) is used for carrying out pipe drawing operation on the pipe fitting, and the pipe fitting (60) after pipe drawing is carried to the receiving mechanism (50) through the carrying mechanism (20).

2. The vertical type pipe drawing automatic material transferring device according to claim 1, characterized in that: positioning mechanism (10) include first support (11), slope on first support (11) and arrange a location platform (12), be equipped with first constant head tank (13) and second constant head tank (14) of two parallels on location platform (12), pipe fitting (60) fall into in first constant head tank (13) and second constant head tank (14) horizontally.

3. The vertical type pipe drawing automatic material transferring device according to claim 2, characterized in that: be equipped with supporting shoe (15) in location platform (12) of first constant head tank (13) below, one side fixed mounting of location platform (12) first drives actuating cylinder (16), supporting shoe (15) are installed in location platform (12) through a strong point, and the upper end of this supporting shoe (15) is retracted in location platform (12), first drive actuating cylinder (16) make the upper end of supporting shoe (15) stretch out location platform (12) through the lower extreme that acts on supporting shoe (15), one side of second constant head tank (14) is fixed and is equipped with baffle (17), be equipped with on location platform (12) and press from both sides claw groove (18), it arranges with first constant head tank (13) vertical layout to press from both sides claw groove (18).

4. The vertical type pipe drawing automatic material transferring device according to claim 1, characterized in that: the carrying mechanism (20) comprises a six-axis robot (21) and a clamping mold (22) connected with the six-axis robot, the clamping mold (22) comprises a connecting shaft (23), a clamping frame (24) and a first clamping jaw (25), the upper end of the connecting shaft (23) is connected with the six-axis robot (21), the lower end of the connecting shaft is fixedly connected with the clamping frame (24), and the clamping frame (24) is at least provided with four first clamping jaws (25).

5. The vertical type pipe drawing automatic material transferring device according to claim 4, characterized in that: be equipped with two parallel crossbeams on getting frame (24), parallel arrangement two first clamping jaw (25) on every crossbeam, first clamping jaw (25) are through its opening and shutting of cylinder control.

6. The vertical type pipe drawing automatic material transferring device according to claim 1, characterized in that: the pipe drawing mechanism (30) comprises a second support (31), a pipe drawing mandrel (32) and a pipe drawing sleeve die (33), the pipe drawing sleeve die (33) is vertically arranged on the second support (31), the pipe drawing mandrel (32) is located right above the pipe drawing sleeve die (33), the pipe drawing mandrel is fixedly connected with an oil cylinder, and the centering mechanism (40) is fixed on the second support (31).

7. The vertical type pipe drawing automatic material transferring device according to claim 6, characterized in that: righting mechanism (40) includes third support (41), clamping jaw frame (42), second clamping jaw (43) and second drive actuating cylinder (44), third support (41) are fixed in on second support (31), second drive actuating cylinder (44) install in on third support (41), clamping jaw frame (42) fixed connection in the piston rod of second drive actuating cylinder, two second clamping jaws (43) of fixed mounting on clamping jaw frame (42), second clamping jaw (43) control it through step motor and open and shut.

8. The vertical type pipe drawing automatic material transferring device according to claim 1, characterized in that: the receiving mechanism (50) comprises a fourth support (51), a conveying belt (52), a third driving cylinder (53), a pushing plate (54) and a receiving platform (55), the conveying belt (52) and the receiving platform (55) are arranged on the fourth support (51), the third driving cylinder (53) is installed at the tail end of the conveying belt, the pushing plate (54) is fixedly connected to a piston rod of the third driving cylinder (53), the receiving platform (55) is obliquely installed on the fourth support (51), and the third driving cylinder (53) can drive the pushing plate (54) to push a pipe fitting (60) on the conveying belt (52) to the receiving platform (55).

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