CN216610099U

CN216610099U - Semi-automatic saddle PE pipe fitting welding equipment

Info

Publication number: CN216610099U
Application number: CN202122683038.1U
Authority: CN
Inventors: 李文学; 王晓华; 田淑娟; 宋飞飞; 徐强; 袁飞
Original assignee: Shandong Fangda New Material Technology Co ltd
Current assignee: Shandong Fangda New Material Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-27
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses semi-automatic saddle-shaped PE pipe welding equipment, relates to the field of PE pipe machining, and comprises an equipment base, an automatic rotating support, a saddle weld joint machining device, a saddle heating device, a saddle weld joint heating device, a clamping device and a cooling device. Saddle crater heating device, clamp are got device and cooling device and are fixed respectively on the autogiration support, through fixing the autogiration support at the equipment base 90 degrees rotations many times and switch over PE pipe welding process, and operating personnel only is responsible for going up the unloading process, and all the other are accomplished by equipment, have reduced the cost of labor, have improved the production security. The heating of the saddle-shaped PE pipe and the heating of the welding opening of the PE straight pipe can be carried out simultaneously, and the cooling device is arranged, so that the production efficiency is improved. The saddle-shaped PE pipes with various sizes and specifications can be welded by replacing the operation device, and the universality of products is improved.

Description

Semi-automatic saddle PE pipe fitting welding equipment

Technical Field

The utility model relates to the field of PE pipe processing, in particular to semi-automatic saddle-shaped PE pipe fitting welding equipment.

Background

With the rapid development of industrial production, the demand of factories for PE pipe fittings is continuously increased, and along with the improvement of various production processes, the three-way PE pipe fitting becomes a necessity of related industries of pipeline transportation. The three-way PE pipe fitting is difficult to be formed at one time through mould pressing, and the three-way PE pipe fittings required by industrial production are various, so that saddle-shaped PE pipe fittings are welded to form a main processing mode of the three-way PE pipe fitting. Traditional saddle PE pipe fitting welding process step is loaded down with trivial details, and the condition of scalding the operation personnel easily appears along with pipeline melting process in the inefficiency, and the pipelining under the different pipe diameters is hardly adapted to current supplementary welding set, consequently urgently needs a semi-automatic saddle PE pipe fitting of adaptation pipelining to assist welding set.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects, the utility model provides semi-automatic saddle-shaped PE pipe fitting welding equipment.

The utility model is realized by the following technical scheme: the utility model provides a semi-automatic saddle PE pipe fitting welding equipment, includes equipment base, autorotation support, saddle weld joint processingequipment, saddle heating device, saddle weld joint heating device, presss from both sides and gets device and cooling device, equipment base fixes subaerial, autorotation support front end and equipment base front end fixed connection, autorotation support rear end and equipment base front end swivelling joint, saddle weld joint processingequipment fixed connection be in equipment base rear end, saddle heating device fixes equipment base right side, saddle weld joint heating device, press from both sides and get device and cooling device and do not according to order fixed connection be in on the three circumference face of autorotation support rear end.

As an optimization, equipment base fixedly connected with autogiration support mount table, saddle weld bond processingequipment mount table, pipeline fixing device mount table and saddle heating device mount table, autogiration support mount table is located equipment base's front end, autogiration support mount table is provided with L shape support, saddle weld bond processingequipment mount table is located equipment base's rear end, pipeline fixing device mount table is located equipment base's intermediate position and the front and back end that runs through equipment base, two pipeline fixers of pipeline fixing device's both ends fixedly connected with, saddle heating device mount table is located equipment base's right side.

Preferably, the automatic rotating bracket comprises a stepping motor, a rotating shaft, a rotating bracket, a first pneumatic spring telescopic rod, a second pneumatic spring telescopic rod and a third pneumatic spring telescopic rod, the stepping motor is fixedly connected to the automatic rotating bracket mounting table, one end of the rotating shaft is fixedly connected with the rotating speed output end of the stepping motor, the other end of the rotating shaft is fixedly connected to the axial center position of the rotating bracket, the middle position of the rotating shaft is rotatably connected with the automatic rotating bracket mounting table, the first pneumatic spring telescopic rod, the second pneumatic spring telescopic rod and the third pneumatic spring telescopic rod are all fixedly connected in the circumferential direction of the rotating bracket, the first pneumatic spring telescopic rod, the second pneumatic spring telescopic rod and the third pneumatic spring telescopic rod all comprise an outer rod and an inner rod, and a first compression spring is arranged at one end inside the outer rod, the other end is provided with an air cavity.

As optimization, saddle crater processingequipment includes horizontal ball screw mechanism, vertical ball screw mechanism, servo motor, cutter main shaft and toper sharpedge grinding, be provided with first fixed plate and second fixed plate on horizontal ball screw mechanism and the vertical ball screw mechanism respectively, horizontal ball screw mechanism fixes on the saddle crater processingequipment mount table, vertical ball screw mechanism fixes on the first fixed plate, servo motor fixes on the second fixed plate, cutter main shaft one end with servo motor rotational speed output end fixed connection, the cutter main shaft other end with toper sharpedge grinding fixed connection, be provided with ball bearing on the second fixed plate, cutter main shaft intermediate position with the second fixed plate passes through ball bearing and rotates the connection.

Preferably, the saddle heating device comprises a saddle heater and a heater base, the saddle heater is provided with a plurality of saddle heaters with different sizes, the outer contour edges of the saddle heaters with different sizes are provided with resistance heating devices, the saddle heaters with different sizes are fixedly connected to the heater base, and the heater base is slidably connected to the saddle heating device mounting table.

Preferably, the saddle weld crater heating device is fixedly connected to the tail end of the first pneumatic spring telescopic rod, a resistance heating device is arranged on the edge of the outer contour of the saddle weld crater heating device, and the outer contour of the saddle weld crater heating device and the outer contour of one saddle heater can be meshed with each other.

Preferably, the clamping device comprises an installation barrel, a self-locking spring switch and a clamping mechanism, one end of the installation barrel is fixed to the tail end of the second pneumatic spring telescopic rod, an annular installation table is arranged at the other end of the installation barrel, one end, close to the second pneumatic spring telescopic rod, of the installation barrel is fixedly connected with the self-locking spring switch, the self-locking spring switch comprises a switch board, a second compression spring and an elastic self-locking pin, the clamping mechanism is fixedly connected to the switch board, the clamping mechanism comprises two support rods and a fixed rod, one end of the fixed rod is fixedly connected with the switch board, and the other end of the fixed rod is hinged to the two support rods.

As optimization, an air inlet cavity and an air outlet cavity are arranged in the cooling device, the top end of the cooling device is fixedly connected with the outer rod of the third pneumatic spring telescopic rod, the air inlet cavity and the air outlet cavity of the cooling device are connected with the inner rod of the third pneumatic spring telescopic rod in a sliding mode, and the tail end of the inner rod of the third pneumatic spring telescopic rod is provided with a plug.

Preferably, the parts to be welded are saddle-shaped PE pipes and PE straight pipes, the machining mode of the saddle weld joint machining device and the outer contour and the size of the saddle weld joint heating device are determined by the outer contour and the size of the saddle pipe, and the saddle weld joint heating device and the clamping device are provided with a plurality of substitutes with different sizes.

The utility model discloses an useful part is: the semi-automatic welding method for the PE pipe is adopted, and an operator is only responsible for feeding and discharging and is not directly contacted with the heated PE pipe, so that the labor cost is reduced, and the production safety is improved; the automatic rotating bracket switches the working procedures every time the automatic rotating bracket rotates 90 degrees under the driving of the stepping motor, and is more suitable for assembly line operation; the saddle weld joint processing device and the saddle heating device are vertically arranged, so that two heating processes can be completed in the same time, the cooling device can improve the forming speed of a welded pipeline, and the production efficiency is improved; all processing devices can adapt to PE pipe fittings with different sizes and specifications, and the whole equipment has higher universality.

Drawings

FIG. 1 is a general schematic of the present invention;

FIG. 2 is a schematic view of the automatic rotating stand rotated 90 degrees clockwise;

FIG. 3 is a schematic view of the automatic rotating stand rotated 180 degrees clockwise;

FIG. 4 is a schematic view of the automatic rotating stand rotated 270 degrees clockwise;

FIG. 5 is a cross-sectional view of the pneumatic spring telescopic rod and the cooling device;

FIG. 6 is a cross-sectional view of the grasping apparatus;

fig. 7 is an isometric view of the gripping apparatus.

In the figure, 1, an equipment base, 2, an automatic rotating support, 3, a saddle weld seam processing device, 4, a saddle heating device, 5, a saddle weld seam heating device, 6, a clamping device, 7, a cooling device, 101, an automatic rotating support mounting table, 102, a saddle weld seam processing device mounting table, 103, a pipeline fixing device mounting table, 104, a saddle heating device mounting table, 105, an L-shaped support, 106, a pipeline fixing device, 201, a stepping motor, 202, a rotating shaft, 203, a rotating support, 204, a first pneumatic spring telescopic rod, 205, a second pneumatic spring telescopic rod, 206, a third pneumatic spring telescopic rod, 207, an outer rod, 208, an inner rod, 209, a first compression spring, 210, an air cavity, 301, a horizontal ball screw mechanism, 302, a vertical ball screw mechanism, 303, a servo motor, 304, a cutter main shaft, 305, a conical cutter grinder, 306, a cutter head, a machine, a, The device comprises a first fixing plate 307, a second fixing plate, 308, a ball bearing 401, a saddle heater 402, a heater base 403, a first resistance heating device 501, a step surface 502, a second resistance heating device 601, an installation cylinder 602, a self-locking spring switch 603, a clamping mechanism 604, an annular installation table 605, a switch plate 606, a second compression spring 607, an elastic self-locking pin 608, a support rod 609, a fixing rod 701, an air inlet cavity 702, an air outlet cavity 703, a plug 801, a saddle PE pipe 802 and a PE straight pipe.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention, it should be noted that the following detailed description is illustrative and is intended to provide further explanation for the present application, and unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.

As shown in fig. 1 and fig. 2, in this embodiment, a semi-automatic saddle-shaped PE pipe 801 welding apparatus includes an apparatus base 1, an automatic rotating support 2, a saddle weld seam processing device 3, a saddle heating device 4, a saddle weld seam heating device 5, a clamping device 6 and a cooling device 7, the apparatus base 1 is fixed on the ground, the front end of the automatic rotating support 2 is fixedly connected with the front end of the apparatus base 1, the rear end of the automatic rotating support 2 is rotatably connected with the front end of the apparatus base 1, the saddle weld seam processing device 3 is fixedly connected with the rear end of the apparatus base 1, the saddle heating device 4 is fixed on the right side of the apparatus base 1, the saddle weld seam heating device 5, the clamping device 6 and the cooling device 7 are respectively fixedly connected to three circumferential surfaces at the rear end of the automatic rotating support 2 according to the sequence, and the switching of different processing procedures can be completed by driving the automatic rotating support 2 to rotate by a stepping motor 201, and the device can be circulated in a reciprocating way and is more suitable for the production of a production line.

In this embodiment, the equipment base 1 is fixedly connected with an automatic rotating bracket mounting table 101, a saddle crater processing device mounting table 102, a pipeline fixing device mounting table 103 and a saddle heating device mounting table 104, the automatic rotating bracket mounting table 101 is located at the front end of the equipment base 1, the automatic rotating bracket mounting table 101 is provided with an L-shaped bracket 105, the L-shaped bracket 105 can touch a self-locking spring switch 602 when a clamping device 6 moves downwards so as to release a saddle-shaped PE pipe 801, the saddle crater processing device mounting table 102 is located at the rear end of the equipment base 1, the pipeline fixing device mounting table 103 is located at the middle position of the equipment base 1 and penetrates through the front end and the rear end of the equipment base 1 for fixing a pipeline to be welded, two pipeline fixing devices are fixedly connected to two ends of the pipeline fixing device 106 so as to prevent the PE straight pipe 802 from rotating or displacing during the processing, the saddle heating means mounting table 104 is located on the right side of the apparatus base 1.

As shown in fig. 2 and 5, in this embodiment, the automatic rotating bracket 2 includes a stepping motor 201, a rotating shaft 202, a rotating bracket 203, a first pneumatic spring telescopic rod 204, a second pneumatic spring telescopic rod 205, and a third pneumatic spring telescopic rod 206, the stepping motor 201 is fixedly connected to the automatic rotating bracket mounting table 101, one end of the rotating shaft 202 is fixedly connected to a rotational speed output end of the stepping motor 201, the other end of the rotating shaft 202 is fixedly connected to an axial center position of the rotating bracket 203, a middle position of the rotating shaft 202 is rotatably connected to the automatic rotating bracket mounting table 101, the first pneumatic spring telescopic rod 204, the second pneumatic spring telescopic rod 205, and the third pneumatic spring telescopic rod 206 are fixedly connected to a circumferential direction of the rotating bracket 203, the first pneumatic spring telescopic rod 204, the second pneumatic spring telescopic rod 205, and the third pneumatic spring telescopic rod 206 each include an outer rod 207 and an inner rod 208, the inside one end of outer pole 207 is provided with first compression spring 209, and the other end is provided with air cavity 210, and when air cavity 210 was full of compressed air, air cavity 210 pressure was greater than first compression spring 209 pressure, and interior pole 208 contracts, and when air cavity 210 had no compressed air to inject, first compression spring 209 pressure was greater than air cavity 210 pressure, and interior pole 208 is overhanging, only relies on the compressed air break-make can realize the free control of pneumatic spring telescopic link extension and shrink.

As shown in fig. 1 and fig. 2, in this embodiment, the saddle crater processing apparatus 3 includes a horizontal ball screw mechanism 301, a vertical ball screw mechanism 302, a servo motor 303, a tool spindle 304 and a tapered blade 305, the horizontal ball screw mechanism 301 and the vertical ball screw mechanism 302 are respectively provided with a first fixing plate 306 and a second fixing plate 307, the horizontal ball screw mechanism 301 is fixed on the saddle crater processing apparatus mounting table 102, the vertical ball screw mechanism 302 is fixed on the first fixing plate 306, the servo motor 303 is fixed on the second fixing plate 307, one end of the tool spindle 304 is fixedly connected with the rotation speed output end of the servo motor 303, the other end of the tool spindle 304 is fixedly connected with the tapered blade 305, the second fixing plate 307 is provided with a ball bearing 308, the middle position of the tool spindle 304 is rotatably connected with the second fixing plate 307 through the ball bearing 308, the saddle-shaped welding openings with different pipe diameters can be machined by controlling the feeding amount and the horizontal moving amount of the conical grinding cutter 305.

In this embodiment, the saddle heating device 4 includes a saddle heater 401 and a heater base 402, the saddle heater 401 is provided with a plurality of heaters with different sizes, the outer contour edge of the saddle heater 401 with different sizes is provided with a first resistance heating device 403, the saddle heaters 401 with different sizes are fixedly connected to the heater base 402, the heater base 402 is slidably connected to the saddle heating device mounting platform 104, the saddle heaters 401 with different sizes can heat saddle PE pipes 801 with different sizes, and the adjustment of the sizes of the saddle heaters 401 can be realized by sliding the heater base 402.

As shown in fig. 3, in this embodiment, the saddle weld crater heating device 5 is fixedly connected to the end of the first pneumatic spring telescopic rod 204, the edge of the outer contour of the saddle weld crater heating device 5 is provided with a step surface 501 and a second resistance heating device 502, the step surface 501 can better fit the welded crater after processing, so as to realize hot melting of the weld crater without a dead angle, the resistance heating device can better control the welding temperature, and improve the welding quality, the outer contour of the saddle weld crater heating device 5 can be engaged with the outer contour of one of the saddle heaters 401, so as to ensure the mutual matching among the shapes of the saddle PE pipe 801, the saddle weld crater heating device 5 and the saddle heater 401, so that the saddle PE pipe 801 and the saddle weld crater melting area have no dead angle, and improve the welding quality.

As shown in fig. 6 and 7, in this embodiment, the gripping device 6 includes a mounting tube 601, a self-locking spring switch 602 and a gripping mechanism 603, one end of the mounting tube 601 is fixed at the end of the second pneumatic spring telescopic rod 205, the other end of the mounting tube 601 is provided with an annular mounting table 604, the annular mounting table 604 limits the horizontal displacement of the saddle-shaped PE pipe 801 and can provide pressure, one end of the inside of the mounting tube 601 near the second pneumatic spring telescopic rod 205 is fixedly connected with the self-locking spring switch 602, the self-locking spring switch 602 includes a switch plate 605, a second compression spring 606 and a self-locking elastic pin 607, when the gripping device 6 moves down, the L-shaped bracket 105 touches the switch plate 605, the second compression spring is compressed and contracted until the self-locking elastic pin 607 is touched, the self-locking elastic pin 607 locks the switch plate 605, the self-locking spring switch 602 is switched from an open position to an closed position, the clamping mechanism 603 is fixedly connected to the switch board 605, the clamping mechanism 603 comprises two support rods 608 and a fixing rod 609, one end of the fixing rod 609 is fixedly connected to the switch board 605, the other end of the fixing rod 609 is hinged to the two support rods 608 respectively, when the self-locking spring switch 602 is in an open position, the two support rods 608 firmly support the saddle-shaped PE pipe 801 to limit the horizontal rotation and the vertical movement of the saddle-shaped PE pipe, and when the self-locking spring switch 602 is in a closed position, the two support rods 608 have no supporting effect on the saddle-shaped PE pipe 801, so that the process of releasing the saddle-shaped PE pipe 801 can be realized.

As shown in fig. 5, in the present embodiment, an air inlet cavity 701 and an air outlet cavity 702 are provided inside the cooling device 7, the top end of the cooling device 7 is fixedly connected with the outer rod 207 of the third pneumatic spring telescopic rod 206, the inner rod 208 of the third pneumatic spring telescopic rod 206 is connected between the air inlet cavity 701 and the air outlet cavity 702 of the cooling device 7 in a sliding way, the end of the inner rod 208 of the third pneumatic spring telescopic rod 206 is provided with a plug 703, when the inner rod 208 is contracted, the plug 703 blocks the passages of the air inlet cavity 701 and the air outlet cavity 702, no air is ejected from the cooling device 7, when the inner rod 208 extends, the plug 703 has no sealing effect, compressed gas enters the gas outlet cavity 702 from the gas inlet cavity 701, the cooling device 7 starts to spray gas, the gas enters the pipeline from the upper end of the saddle-shaped PE pipe 801, the high-speed flow of the gas can quickly dissipate heat of a welding port, the cooling forming of a welding position is accelerated, and the operation efficiency of equipment is improved.

As shown in fig. 1, in this embodiment, the members to be welded are a saddle-shaped PE pipe 801 and a straight PE pipe 802, the processing manner of the saddle crater processing device 3 and the outer contour and size of the saddle crater heating device 5 are determined by the outer contour and size of the saddle-shaped PE pipe 801, and the saddle crater heating device 5 and the gripping device 6 are provided with a plurality of replacements with different sizes, so that the PE pipe welding operation with various sizes and specifications is realized, and the universality of the equipment is improved.

The working principle is as follows: before the work is started, all the air cavities 210 and the air inlet cavity 701 are connected with a compressed air source, a PE straight pipe 802 to be processed is fixed on an equipment base 1 through a pipeline fixer, an operator presses a self-locking spring switch 602, an elastic self-locking pin 607 locks the self-locking spring switch 602, at the moment, a clamping mechanism 603 is in a loose state, a saddle-shaped PE pipe 801 to be welded is placed on an annular mounting table 604, the elastic self-locking pin 607 is released, the self-locking spring switch 602 returns to the original position, the clamping mechanism 603 supports the inner wall of the saddle-shaped PE pipe 801, at the moment, the air cavities 210 inside three pneumatic spring telescopic rods are filled with compressed air, a first compression spring 209 is in a compressed state, all inner rods 208 shrink, and an inner rod 208 plug 703 in a third pneumatic spring telescopic rod 206 locks a passage between the air inlet cavity 701 and the air outlet cavity 702. The servo motor 303 starts to rotate, the horizontal ball screw mechanism 301 pushes the first fixing plate 306 forward to the position below the rotating bracket 203, the vertical ball screw mechanism 302 pushes the second fixing plate 307 to the PE straight pipe 802, the conical mill cutter 305 downwards extends to a specified depth, as shown in the state of the attached drawing 1, the universal saddle-shaped welding interface (saddle-shaped PE pipe 801 is determined by the shape of the saddle-shaped welding interface) starts to be processed, after the processing is finished, the saddle-shaped welding interface processing device 3 returns to the original position, the stepping motor 201 rotates clockwise for 90 degrees, as shown in the attached drawing 2, the air cavities 210 inside the three pneumatic spring telescopic rods stop supplying compressed air, the first compression spring 209 extends, the step surface 501 in the saddle-shaped welding interface heating device 5 is firmly pressed at the saddle-shaped welding interface of the PE straight pipe 802, the second resistance heating device 502 performs melting heating on the saddle-shaped welding interface, and meanwhile, the saddle-shaped PE pipe 801 is firmly pressed on the saddle heater 401 by the clamping device 6, the saddle shaped PE pipe 801 is melt heated. Compressed gas rushes into the internal air cavities 210 of the three pneumatic spring telescopic rods again after a period of time, all the inner rods 208 shrink, the saddle weld seam heating device 5 is away from the saddle weld seam of the PE straight pipe 802, the saddle PE pipe 801 is away from the saddle heater 401, the stepping motor 201 rotates clockwise by 90 degrees, as shown in the attached drawing 3, the internal air cavities 210 of the three pneumatic spring telescopic rods stop supplying the compressed gas, all the inner rods 208 extend, the self-locking spring switch 602 is pressed down by the L-shaped support 105 when the saddle PE pipe 801 moves downwards, the clamping mechanism 603 relaxes, the clamping device 6 releases the saddle PE pipe 801 at the moment, and the saddle PE pipe 801 is firmly pressed at the saddle weld seam of the PE straight pipe 802 by the annular mounting table 604 to perform a welding process. Compressed gas rushes into the internal air cavities 210 of the three pneumatic spring telescopic rods after a period of time, all the inner rods 208 shrink, the clamping device 6 leaves the saddle-shaped PE pipe 801, the stepping motor 201 rotates clockwise by 90 degrees, as shown in the attached drawing 4, the internal air cavities 210 of the three pneumatic spring telescopic rods stop supplying the compressed gas, all the inner rods 208 stretch, the plugs 703 in the cooling device 7 are released, the compressed gas flows into the gas outlet cavity 702 from the gas inlet cavity 701 and is blown into the saddle-shaped PE pipe 801 and the PE straight pipe 802 from the cooling device 7, and the welding and cooling process is accelerated. After a period of time, the welded PE pipe is detached from the pipe fixing device 106, the stepping motor 201 rotates 270 degrees counterclockwise, the automatic rotating bracket 2 returns to the initial position, and waits for the next process cycle, and the stepping motor 201 rotates 270 degrees counterclockwise to release the winding of the pipes for transmitting power and compressed air. When the size of the part to be welded is changed, the saddle weld crater heating device 5 and the clamping device 6 with corresponding sizes are changed to the equipment, the sliding heater base 402 selects the proper specification of the saddle heater 401, and the feeding amount of the saddle weld crater processing device 3 is adjusted, so that the PE pipe fittings with different sizes and specifications can be welded.

It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims.

Claims

1. The utility model provides a semi-automatic saddle PE pipe fitting welding equipment which characterized in that: including equipment base, autorotation support, saddle weld joint processingequipment, saddle heating device, saddle weld joint heating device, clamp and get device and cooling device, equipment base is fixed subaerial, autorotation support front end and equipment base front end fixed connection, autorotation support rear end and equipment base front end swivelling joint, saddle weld joint processingequipment fixed connection be in equipment base rear end, saddle heating device fixes equipment base right side, saddle weld joint heating device, clamp get device and cooling device according to order fixed connection respectively on the three circumference face of autorotation support rear end.

2. The semi-automatic saddle PE pipe welding apparatus of claim 1, wherein: equipment base fixedly connected with autogiration support mount table, saddle weld bond processingequipment mount table, pipeline fixing device mount table and saddle heating device mount table, autogiration support mount table is located equipment base's front end, autogiration support mount table is provided with L shape support, saddle weld bond processingequipment mount table is located equipment base's rear end, pipeline fixing device mount table is located equipment base's intermediate position and the front and back end that runs through equipment base, two pipeline fixers of pipeline fixing device's both ends fixedly connected with, saddle heating device mount table is located equipment base's right side.

3. The semi-automatic saddle PE pipe welding apparatus of claim 2, wherein: the automatic rotating bracket comprises a stepping motor, a rotating shaft, a rotating bracket, a first pneumatic spring telescopic rod, a second pneumatic spring telescopic rod and a third pneumatic spring telescopic rod, the stepping motor is fixedly connected to the automatic rotating bracket mounting table, one end of the rotating shaft is fixedly connected with the rotating speed output end of the stepping motor, the other end of the rotating shaft is fixedly connected to the axial center position of the rotating bracket, the middle position of the rotating shaft is rotatably connected with the automatic rotating bracket mounting table, the first pneumatic spring telescopic rod, the second pneumatic spring telescopic rod and the third pneumatic spring telescopic rod are fixedly connected in the circumferential direction of the rotating bracket, the first pneumatic spring telescopic rod, the second pneumatic spring telescopic rod and the third pneumatic spring telescopic rod respectively comprise an outer rod and an inner rod, and one end inside the outer rod is provided with a first compression spring, the other end is provided with an air cavity.

4. The semi-automatic saddle PE pipe welding apparatus of claim 3, wherein: saddle weld joint processingequipment includes horizontal ball mechanism, vertical ball mechanism, servo motor, cutter main shaft and toper sharpen knife, be provided with first fixed plate and second fixed plate on horizontal ball mechanism and the vertical ball mechanism respectively, horizontal ball mechanism fixes on the saddle weld joint processingequipment mount table, vertical ball mechanism fixes on the first fixed plate, servo motor fixes on the second fixed plate, cutter main shaft one end with servo motor rotational speed output end fixed connection, the cutter main shaft other end with toper sharpen knife fixed connection, be provided with ball bearing on the second fixed plate, cutter main shaft intermediate position with the second fixed plate passes through ball bearing and rotates the connection.

5. The semi-automatic saddle PE pipe welding apparatus of claim 4, wherein: saddle heating device includes saddle heater and heater base, the saddle heater is provided with a plurality of and size diverse, and a plurality of size is different the saddle heater outline edge all is provided with first resistance heating device, and a plurality of size is different the equal fixed connection of saddle heater is in on the heater base, heater base sliding connection be in on the saddle heating device mount table.

6. The semi-automatic saddle PE pipe welding apparatus of claim 5, wherein: the saddle weld crater heating device is fixedly connected to the tail end of the first pneumatic spring telescopic rod, a step surface and a second resistance heating device are arranged on the edge of the outer contour of the saddle weld crater heating device, and the outer contour of the saddle weld crater heating device and the outer contour of one of the saddle heaters can be meshed with each other.

7. The semi-automatic saddle PE pipe welding apparatus of claim 6, wherein: the clamping device comprises an installation barrel, a self-locking spring switch and a clamping mechanism, one end of the installation barrel is fixed at the tail end of the second pneumatic spring telescopic rod, an annular installation table is arranged at the other end of the installation barrel, one end, close to the second pneumatic spring telescopic rod, of the installation barrel is fixedly connected with the self-locking spring switch, the self-locking spring switch comprises a switch board, a second compression spring and an elastic self-locking pin, the clamping mechanism is fixedly connected onto the switch board, the clamping mechanism comprises two support rods and a fixed rod, one end of the fixed rod is fixedly connected with the switch board, and the other end of the fixed rod is hinged to the two support rods.

8. The semi-automatic saddle PE pipe welding apparatus of claim 7, wherein: the cooling device is internally provided with an air inlet cavity and an air outlet cavity, the top end of the cooling device is fixedly connected with the outer rod of the third pneumatic spring telescopic rod, the air inlet cavity and the air outlet cavity of the cooling device are connected with the inner rod of the third pneumatic spring telescopic rod in a sliding mode, and the tail end of the inner rod of the third pneumatic spring telescopic rod is provided with a plug.

9. The semi-automatic saddle PE pipe welding apparatus of claim 8, wherein: the parts to be welded are saddle-shaped PE pipes and PE straight pipes, the machining mode of the saddle weld joint machining device and the outline and the size of the saddle weld joint heating device are determined by the outline and the size of the saddle-shaped PE pipes, and the saddle weld joint heating device and the clamping device are provided with a plurality of substitutes with different sizes.