CN111688173A

CN111688173A - PPR water pipe bending processing technology

Info

Publication number: CN111688173A
Application number: CN202010571660.0A
Authority: CN
Inventors: 许吉界; 付子豪; 高亚芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-09-22

Abstract

The invention relates to a PPR water pipe bending process, which comprises a workbench, a clamping device, a bending device and a supporting device, wherein the clamping device is installed on the left side of the upper end of the workbench, the bending device is arranged on the right side of the clamping device, and the supporting device is arranged on the outer sides of the clamping device and the bending device. The bending processing technology of the PPR water pipe provided by the invention can solve the problems that when the PPR water pipe is bent manually, the PPR water pipe is heated first, and then the PPR water pipe is bent, the bending angle of the PPR water pipe is unqualified due to the fact that the force for bending the PPR water pipe is difficult to control manually, and the PPR water pipe is clamped and fixed firstly and then bent after being heated when the existing PPR water pipe bending processing equipment is bent, and the PPR water pipe is unqualified due to the fact that the inner part of the PPR water pipe is not supported and fixed, and the PPR water pipe is bent excessively or is torn, so that the PPR water pipe is bent, the bending efficiency of the PPR water pipe is reduced, and the like.

Description

PPR water pipe bending processing technology

Technical Field

The invention relates to the technical field of pipeline manufacturing, in particular to a PPR water pipe bending processing technology.

Background

The PPR is random copolymerization polypropylene synthesized by (PP and PE) gas phase method, and has the structural characteristics that PE molecules are randomly linked in PP molecules, and the PPR occupies a place in the plastic pipe market by virtue of excellent performance and wider application field, and is a recognized green and environment-friendly product. The PPR has the characteristics of high temperature resistance, good pressure resistance, small conveying resistance, long service life, sanitation, health and environmental protection, and the PPR water pipe is usually bent and then used in the use process of the PPR water pipe.

The bending processing equipment for the PPR water pipe has the following problems in bending processing of the PPR water pipe:

(1) when the PPR water pipe is bent manually, the PPR water pipe is heated manually to be softened and then bent manually, and when the PPR water pipe is bent, the bending angle of the PPR water pipe is unqualified due to the fact that the force for bending the PPR water pipe is difficult to control manually, and the bending efficiency of the PPR water pipe is reduced;

(2) current PPR water pipe bending process equipment is carrying out bending process to the PPR water pipe, it is fixed with PPR water pipe clamp earlier usually, the PPR water pipe after fixing to the clamp heats the post-bending treatment again, because when current PPR water pipe bending process equipment bending process, it is fixed not to support PPR water pipe inside, thereby the crooked excessive or tearing condition when leading to the PPR water pipe to bend, make the PPR water pipe crooked unqualified, thereby reduce the bending efficiency of PPR water pipe.

In order to make up for the defects of the prior art, the invention provides a PPR water pipe bending processing technology.

Disclosure of Invention

The technical scheme adopted by the invention to solve the technical problem is as follows: a PPR water pipe bending process comprises the following steps:

s1, equipment inspection: before the PPR water pipe bending equipment is started to bend the PPR water pipe, the PPR water pipe bending equipment is checked;

s2, feeding and fixing: manually placing the PPR water pipe to be bent on a workbench, and enabling a clamping device and a supporting device to clamp and fix the PPR water pipe to be bent;

s3, heating and bending: after the PPR water pipe is clamped and fixed, the PPR water pipe after being clamped and fixed is heated manually to be softened by heating, and after the PPR water pipe is softened by heating, the PPR water pipe after being softened by heating is bent by a bending device;

s4, quality inspection blanking: after the PPR water pipe is bent, the PPR water pipe is manually taken down and subjected to quality inspection, the quality inspection is qualified, the PPR water pipe is collected for use, the quality inspection is unqualified, and the PPR water pipe is bent for the second time and subjected to quality inspection;

in the process of bending the PPR water pipe in the steps S1-S4, the PPR water pipe is bent by using specially designed equipment, the equipment specifically comprises a workbench, a clamping device, a bending device and a supporting device, the clamping device is installed on the left side of the upper end of the workbench, the bending device is arranged on the right side of the clamping device, the bending device is installed on the right side of the upper end of the workbench, the supporting device is arranged on the outer sides of the clamping device and the bending device, and the supporting device is installed on the upper end of the workbench; wherein:

the bending device comprises a bending mechanism, a locking mechanism, an installation shaft and a bending block, the bending mechanism is installed at the upper end of the workbench in a sliding fit mode, the locking mechanism is installed at the upper end of the bending mechanism, the installation shaft is installed in the middle of the upper end of the workbench, the bending block is installed at the upper end of the installation shaft through a bearing, when the bending device works, the PPR water pipe to be bent is manually placed on the workbench, the PPR water pipe to be bent is clamped and fixed by the clamping device and the supporting device, after the PPR water pipe is clamped and fixed, the right end of the PPR water pipe is locked and fixed through a locking mechanism, after the right end of the PPR water pipe is locked and fixed, the PPR water pipe is heated and softened manually, and the bending mechanism is rotated manually to drive the PPR water pipe to extrude the bending block, the bending block rotates around the mounting shaft, and the PPR water pipe after being heated and softened is bent and molded by the bending mechanism and the bending block.

The bending mechanism comprises an installation block, a connecting block, a bending handle and a guide pin column, the installation block is installed on the right side of the upper end of the workbench in a sliding fit mode, the connecting block is installed at the front end of the installation block, the bending handle is installed at the right end of the connecting block, the guide pin column is installed at the lower end of the connecting block, the bending handle is rotated to the left side through manual operation during specific work, the bending handle drives the installation block to rotate around the installation shaft through the connecting block, and in the moving process of the installation block, the installation block is guided and limited through the guide pin column.

The utility model discloses a PPR water pipe fixing device, including workstation upper end, strutting arrangement, clamping device and locking mechanism, strutting arrangement includes supporting mechanism and locking mechanism, supporting mechanism installs on workstation upper end right side, and it is right-hand to be located the mechanism of bending, locking mechanism is installed in workstation upper end left side, and locking mechanism is located the clamping device left side, when concrete work, press from both sides the PPR water pipe tight fixedly through clamping device and locking mechanism, the PPR water pipe presss from both sides tight fixed back, it is inboard to pass the PPR water pipe with the supporting mechanism left end through the manual work, make locking mechanism press from both sides the supporting mechanism left end tight fixedly, thereby make.

The supporting mechanism comprises an installation cylinder, an installation column, a clockwork spring, a rope seat, a steel wire rope, a supporting ball and a locking ball, the installation cylinder is installed on the left side of the upper end of the workbench, the installation column is installed inside the installation cylinder through a bearing, the clockwork spring is arranged on the outer side of the installation column, the rope seat is installed on the upper end of the installation column, the steel wire rope is wound on the rope seat, the supporting ball is arranged at the free end of the steel wire rope, the supporting balls are evenly arranged from the right side to the left side and are connected through a ball hinge, the locking ball is installed at the left end of the supporting ball positioned on the leftmost side through the ball hinge, during specific work, the locking ball is pulled towards the left side manually to drive the supporting ball to penetrate through the inner side of the PPR water pipe, so that the steel wire rope drives the rope seat to wind the rope seat to rotate, the rope seat extrud, so that the inner side of the PPR water pipe is supported and fixed by the supporting ball.

The support ball includes the spheroid, slip pearl and compression spring, the slip pearl has evenly been arranged through sliding fit's mode in the spheroid outside, be provided with compression spring between slip pearl lower extreme and the spheroid, concrete during operation, link together two adjacent spheroids through the ball hinge, thereby make the spheroid rotate around the ball hinge, make the spheroid to support fixedly to the different PPR water pipe insides of crooked degree, and spheroid supports fixed in-process, through slip pearl extrusion compression spring, make the slip pearl support fixedly to the PPR water pipe inside, guarantee simultaneously that crooked in-process PPR water pipe slides along the spheroid, make the spheroid to support fixedly to the different PPR water pipe insides of crooked degree.

As a preferred technical scheme of the invention, the clamping device comprises a fixed column, a rotary mounting block, a ring sleeve, a threaded rod and a clamping block, the fixed column is mounted on the left side of the upper end of a workbench, the rotary mounting block is mounted at the upper end of the fixed column through a bearing, the ring sleeve is mounted at the upper end of the rotary mounting block, the threaded rod is mounted at the upper end of the ring sleeve in a threaded fit manner, the clamping block is mounted at the lower end of the threaded rod through the bearing, when the device works, the left end of a PPR water pipe is manually inserted into the ring sleeve, so that the ring sleeve limits and fixes the left end of the PPR water pipe, the threaded rod drives the clamping block to descend through manual rotation of the threaded rod, so that the clamping block clamps and fixes the left end of the PPR water pipe, after the PPR water pipe is clamped and fixed, the bending handle is manually, simultaneously the PPR water pipe drives and rotates the installation piece and rotate around the fixed column to make the mechanism of bending and the PPR water pipe bending shaping after the piece will heat and soften of bending.

As a preferred technical scheme of the invention, the lower end of the mounting block is provided with a ball, and the ball converts sliding friction between the mounting block and the workbench into rolling friction, thereby ensuring accurate and reliable transmission in the bending process.

As a preferable technical scheme, the middle of the upper end of the workbench is provided with an elliptical groove, the guide pin column is installed in the elliptical groove in a sliding fit mode, and the guide pin column slides in the elliptical groove, so that the guide pin column guides and limits the installation block.

As a preferred technical scheme of the invention, the locking mechanism comprises a support plate, three sliding blocks, three abutting springs, a locking plate, two dovetail blocks, a locking block and a locking screw rod, the lower end of the support plate is arranged in the middle of the upper end of the mounting block, the sliding blocks are arranged on the inner side of the support plate in a sliding fit manner, the abutting springs are arranged between the lower end of the sliding blocks and the support plate, the locking plate is arranged on the upper end of the support plate, the dovetail blocks are symmetrically arranged at the front and back of the lower end of the locking plate, the dovetail blocks are arranged on the support plate in a sliding fit manner, the locking block is arranged on the upper side of the rear end of the mounting block, the locking screw rod is arranged on the rear side of the locking plate in a thread fit manner, the lower end of the locking screw rod is arranged in the middle of the locking plate in a thread fit, make locking screw drive locking plate and descend along the forked tail piece and be close to the backup pad for backup pad and locking plate press from both sides PPR water pipe right-hand member tightly, and backup pad and locking plate clamp fastening in-process, through supporting tight spring extrusion sliding block, thereby make the sliding block press from both sides the PPR water pipe right-hand member tightly fixedly.

As a preferred technical scheme of the invention, rubber layers are arranged on the inner sides of the circular ring sleeve, the clamping block, the supporting plate and the locking plate, and anti-skid grains are arranged on the outer sides of the rubber layers, so that the surface of the PPR water pipe is prevented from being scratched by the circular ring sleeve, the clamping block, the supporting plate and the locking plate through the rubber layers, and relative sliding between the circular ring sleeve, the clamping block, the supporting plate and the locking plate and the PPR water pipe is avoided through the anti-skid grains arranged on the outer sides of the rubber layers, so that the PPR water pipe is firmly and reliably clamped and.

As a preferred technical scheme of the invention, the bending block is of an oval structure, the semi-circular groove is formed in the outer side of the bending block, the PPR water pipe is conveniently bent and formed by the oval structure of the bending block, and the PPR water pipe is clamped by the semi-circular groove formed in the outer side of the bending block, so that the condition that the PPR water pipe is bent and unqualified due to the fact that the bending block is separated from the PPR water pipe is avoided.

As a preferred technical scheme of the invention, the locking mechanism comprises an installation seat, a locking cover, a fixed block, an insertion rod, two fixed sleeves, two locking rods and two locking springs, the installation seat is installed on the left side of the upper end of the workbench, the locking cover is installed on the upper end of the installation seat through a hinge, the fixed block is installed at the front end of the locking cover, the insertion rod is installed at the lower end of the fixed block, the fixed sleeves are installed at the left and right sides of the front end of the installation seat in a bilateral symmetry manner, the locking rods are installed on the inner sides of the fixed sleeves in a sliding fit manner, the locking springs are arranged between the inner sides of the locking rods and the fixed sleeves, during specific work, the locking balls drive the supporting balls to penetrate through the inner sides of the PPR water pipes by manual operation, the locking balls are placed on the upper end of the installation seat, thereby make the locking pole fixed with the inserted bar chucking, and then make mount pad and locking lid with locking ball clamp fastening fixed for the support ball supports fixedly to PPR water pipe inboard.

Compared with the prior art, the invention has the following advantages:

1. according to the PPR water pipe bending processing technology provided by the invention, the two ends of the PPR water pipe are clamped and fixed at first and then heated and bent, so that the condition that the PPR water pipe is unqualified due to improper manual bending force is reduced, and the inside of the pipe is supported and fixed through the supporting balls, so that the condition that the water pipe is excessively bent or torn due to no support inside the pipe in the PPR water pipe bending process is avoided, and the PPR water pipe bending efficiency is improved;

2. according to the PPR water pipe bending processing technology provided by the invention, the supporting ball penetrates through the PPR water pipe, so that the supporting ball is tensioned and straightened by the steel wire rope, the supporting ball supports and fixes the inside of the PPR water pipe, and the sliding ball arranged on the surface of the ball supports and fixes the inside of the PPR water pipe, so that the PPR water pipe slides along the ball in the bending process, and the ball supports and fixes the inside of the PPR water pipe with different bending degrees;

3. according to the bending processing technology of the PPR water pipe, the guide pin column slides in the elliptical groove, so that the mounting block is guided and limited, and the sliding friction between the mounting block and the workbench is converted into rolling friction by the ball arranged at the lower end of the mounting block, so that the transmission in the bending process is accurate and reliable;

4. according to the PPR water pipe bending processing technology provided by the invention, the rubber layers on the annular sleeve, the clamping block, the supporting plate and the locking plate are used for preventing the surface of the PPR water pipe from being scratched, and the anti-skidding lines arranged on the outer side of the rubber layer are used for preventing the PPR water pipe and the PPR water pipe from sliding relatively, so that the PPR water pipe is firmly and reliably clamped and fixed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the operation of the present invention;

FIG. 2 is a schematic perspective view of the present invention in its working state;

FIG. 3 is a top plan view of the working condition of the present invention;

FIG. 4 is a front view of the working state of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 3 in accordance with the present invention;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 3 in accordance with the present invention;

FIG. 8 is a cross-sectional view of the locking mechanism of the present invention (except for the mounting base and locking cover);

FIG. 9 is a cross-sectional view (looking from the front to the back) of a support ball of the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 5 taken in the direction of N according to the present invention.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 10.

A PPR water pipe bending process comprises the following steps:

s2, feeding and fixing: manually placing the PPR water pipe to be bent on the workbench 1, and enabling the clamping device 2 and the supporting device 4 to clamp and fix the PPR water pipe to be bent;

s3, heating and bending: after the PPR water pipe is clamped and fixed, the PPR water pipe after being clamped and fixed is heated manually to be softened by heating, and after the PPR water pipe is softened by heating, the PPR water pipe after being softened by heating is bent by a bending device 3;

in the process of bending the PPR water pipe in the steps S1-S4, the PPR water pipe is bent by using specially designed equipment, the equipment specifically comprises a workbench 1, a clamping device 2, a bending device 3 and a supporting device 4, the clamping device 2 is installed on the left side of the upper end of the workbench 1, the bending device 3 is arranged on the right side of the clamping device 2, the bending device 3 is installed on the right side of the upper end of the workbench 1, the supporting device 4 is arranged on the outer sides of the clamping device 2 and the bending device 3, and the supporting device 4 is installed on the upper end of the workbench 1; wherein:

the clamping device 2 comprises a fixing column 21, a rotary mounting block 22, an annular sleeve 23, a threaded rod 24 and a clamping block 25, the fixing column 21 is mounted on the left side of the upper end of the workbench 1, the rotary mounting block 22 is mounted at the upper end of the fixing column 21 through a bearing, the annular sleeve 23 is mounted at the upper end of the rotary mounting block 22, the threaded rod 24 is mounted at the upper end of the annular sleeve 23 in a threaded fit mode, the clamping block 25 is mounted at the lower end of the threaded rod 24 through the bearing, in the specific work process, the left end of the PPR water pipe is inserted into the annular sleeve 23 through manual work, the annular sleeve 23 limits and fixes the left end of the PPR water pipe, the threaded rod 24 drives the clamping block 25 to descend through manual rotation of the threaded rod 24, the clamping block 25 clamps and fixes the left end of the PPR water pipe, after the PPR water pipe is clamped and fixed, the bending handle 313 is manually rotated, the mounting block, meanwhile, the PPR water pipe drives the rotary mounting block 22 to rotate around the fixing column 21, so that the PPR water pipe after being heated and softened is bent and formed by the bending mechanism 31 and the bending block 34.

The bending device 3 comprises a bending mechanism 31, a locking mechanism 32, an installation shaft 33 and a bending block 34, the bending mechanism 31 is installed at the upper end of the workbench 1 in a sliding fit mode, the locking mechanism 32 is installed at the upper end of the bending mechanism 31, the installation shaft 33 is installed in the middle of the upper end of the workbench 1, the bending block 34 is installed at the upper end of the installation shaft 33 through a bearing, the PPR water pipe to be bent is manually placed on the workbench 1, the PPR water pipe to be bent is clamped and fixed by the clamping device 2 and the supporting device 4, after the PPR water pipe is clamped and fixed, the right end of the PPR water pipe is locked and fixed through the locking mechanism 32, after the right end of the PPR water pipe is locked and fixed, the PPR water pipe is heated and softened manually, the bending mechanism 31 is rotated manually, the bending mechanism 31 drives the PPR water pipe to extrude the bending block 34, the bending block 34 rotates around the mounting shaft 33, therefore, the bending mechanism 31 and the bending block 34 bend and form the PPR water pipe after being heated and softened.

The bending mechanism 31 comprises an installation block 311, a connection block 312, a bending handle 313 and a guide pin 314, the installation block 311 is installed on the right side of the upper end of the workbench 1 in a sliding fit mode, the connection block 312 is installed at the front end of the installation block 311, the bending handle 313 is installed at the right end of the connection block 312, the guide pin 314 is installed at the lower end of the connection block 312, in specific work, the bending handle 313 is rotated to the left side through manual operation, the bending handle 313 drives the installation block 311 to rotate around an installation shaft 33 through the connection block 312, in the moving process of the installation block 311, the installation block 311 is guided and limited through the guide pin 314.

The lower end of the mounting block 311 is provided with a ball, and the ball converts sliding friction between the mounting block 311 and the workbench 1 into rolling friction, so that accurate and reliable transmission in the bending process is ensured.

An oval groove is formed in the middle of the upper end of the workbench 1, the guide pin 314 is installed in the oval groove in a sliding fit mode, and the guide pin 314 slides in the oval groove, so that the guide pin 314 guides the installation block 311 in a limiting mode.

The locking mechanism 32 comprises a supporting plate 321, three sliding blocks 322, three abutting springs 323, a locking plate 324, two dovetail blocks 325, a locking block 326 and a locking screw 327, the lower end of the supporting plate 321 is installed in the middle of the upper end of the installing block 311, the sliding blocks 322 are installed on the inner side of the supporting plate 321 in a sliding fit mode, the abutting springs 323 are arranged between the lower end of the sliding blocks 322 and the supporting plate 321, the locking plate 324 is arranged on the upper end of the supporting plate 321, the dovetail blocks 325 are symmetrically installed on the front and back of the lower end of the locking plate 324 in a front and back mode, the dovetail blocks 325 are installed on the supporting plate 321 in a sliding fit mode, the locking block 326 is installed on the upper side of the rear end of the installing block 311, the locking screw 327 is installed on the rear side of the locking plate 324 in a thread fit mode, the lower end of the locking screw 327 is installed in the middle, through artifical rotatory locking screw 327 for locking screw 327 drives locking plate 324 and descends along forked tail piece 325 and be close to backup pad 321, makes backup pad 321 and locking plate 324 press from both sides PPR water pipe right-hand member tightly, and backup pad 321 and locking plate 324 press from both sides tight fixed in-process, extrudees sliding block 322 through holding tight spring 323, thereby makes sliding block 322 press from both sides PPR water pipe right-hand member tightly fixedly.

The ring cover 23, press from both sides tight piece 25, backup pad 321 and locking plate 324 inboard all is provided with the rubber layer, and the rubber layer outside all is provided with anti-skidding line, and the rubber layer is avoided the ring cover 23, is pressed from both sides tight piece 25, backup pad 321 and locking plate 324 with PPR water pipe surface fish tail, and avoids the ring cover 23, presss from both sides tight piece 25, takes place the condition of relative slip between backup pad 321 and the locking plate 324 and the PPR water pipe through the anti-skidding line that the rubber layer outside was equipped with, guarantees that PPR water pipe presss from both sides tight fixed firm reliable.

Bend piece 34 and be oval structure, and bend the 34 outside of piece and be provided with the half slot, bend the oval structure of piece 34 and conveniently block PPR water pipe bending, and block the PPR water pipe through the half slot that the 34 outside of bending was equipped with, avoid bending to take place to break away from between piece 34 and the PPR water pipe, lead to the crooked unqualified condition of PPR water pipe.

Support arrangement 4 includes supporting mechanism 41 and locking mechanism 42, supporting mechanism 41 is installed on 1 upper end right side of workstation, and it is right-hand to be located bending mechanism 31, locking mechanism 42 is installed on 1 upper end left side of workstation, and locking mechanism 42 is located clamping device 2 left, during specific work, it is fixed with PPR water pipe clamp through clamping device 2 and locking mechanism 32, PPR water pipe clamp is tight fixed back, it is inboard to pass the PPR water pipe with supporting mechanism 41 left end through the manual work, make locking mechanism 42 press from both sides supporting mechanism 41 left end clamp fixedly, thereby make supporting mechanism 41 support fixedly to PPR water pipe inside.

The supporting mechanism 41 comprises a mounting tube 411, a mounting column 412, a clockwork spring 413, a rope seat 414, a steel wire rope 415, a supporting ball 416 and a locking ball 417, the mounting tube 411 is mounted on the left side of the upper end of the workbench 1, the mounting column 412 is mounted inside the mounting tube 411 through a bearing, the clockwork spring 413 is arranged outside the mounting column 412, the rope seat 414 is mounted at the upper end of the mounting column 412, the steel wire rope 415 is wound on the rope seat 414, the supporting ball 416 is arranged at the free end of the steel wire rope 415, the supporting balls 416 are uniformly arranged from right to left, the supporting balls 416 are connected through a ball hinge, the locking ball 417 is mounted at the left end of the supporting ball 416 located at the leftmost side through the ball hinge, during specific work, the locking ball 417 is pulled to the left side manually, so that the locking ball 417 drives the supporting ball 416 to penetrate through the inner side of the PPR water pipe, the steel wire rope 415 drives, so that the clockwork spring 413 pulls the steel wire rope 415 and the support ball 416 to be straightened, and the locking ball 417 is locked and fixed by the locking mechanism 42, so that the support ball 416 supports and fixes the inner side of the PPR water pipe.

The supporting ball 416 comprises a ball body 4161, a sliding ball 4162 and a compression spring 4163, the sliding ball 4162 is uniformly arranged on the outer side of the ball body 4161 in a sliding fit mode, the compression spring 4163 is arranged between the lower end of the sliding ball 4162 and the ball body 4161, and when the supporting ball works, two adjacent ball bodies 4161 are connected together through a ball hinge, so that the ball body 4161 rotates around the ball hinge, the ball body 4161 supports and fixes the inner parts of the PPR water pipes with different bending degrees, and in the supporting and fixing process of the ball body 4161, the compression spring 4163 is extruded through the sliding ball 4162, so that the sliding ball 4162 supports and fixes the inner parts of the PPR water pipes, and meanwhile, the PPR water pipes slide along the ball body 4161 in the bending process is guaranteed, and the ball body 4161 supports and fixes the inner parts of the.

The locking mechanism 42 comprises a mounting seat 421, a locking cover 422, a fixed block 423, an inserted link 424, two fixing sleeves 425, two locking rods 426 and two locking springs 427, the mounting seat 421 is mounted on the left side of the upper end of the workbench 1, the locking cover 422 is mounted at the upper end of the mounting seat 421 through a hinge, the fixed block 423 is mounted at the front end of the locking cover 422, the inserted link 424 is mounted at the lower end of the fixed block 423, the fixed sleeves 425 are mounted at the front end in a bilateral symmetry manner, the locking rods 426 are mounted at the inner side of the fixed sleeves 425 in a sliding fit manner, the locking springs 427 are arranged between the inner side of the locking rods 426 and the fixing sleeves 425, during specific work, the locking balls 417 drive the support balls 416 to penetrate through the inner side of the PPR water pipe, the locking balls 417 are placed at the upper end of the mounting seat 421, the locking cover 422 is rotated manually, so that the locking rod 426 presses the locking spring 427 to slide along the fixing sleeve 425 inwards, so that the locking rod 426 clamps and fixes the insertion rod 424, and further the mounting seat 421 and the locking cover 422 clamp and fix the locking ball 417, so that the supporting ball 416 supports and fixes the inner side of the PPR water pipe.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A PPR water pipe bending process technology is characterized in that: the specific bending processing technology is as follows:

s2, feeding and fixing: manually placing the PPR water pipe to be bent on the workbench (1), and enabling the clamping device (2) and the supporting device (4) to clamp and fix the PPR water pipe to be bent;

s3, heating and bending: after the PPR water pipe is clamped and fixed, the PPR water pipe after being clamped and fixed is heated manually to be softened by heating, and after the PPR water pipe is softened by heating, the PPR water pipe after being heated and softened is bent by a bending device (3);

in the process of bending the PPR water pipe in the steps S1-S4, the PPR water pipe is bent by using specially designed equipment, the equipment specifically comprises a workbench (1), a clamping device (2), a bending device (3) and a supporting device (4), the clamping device (2) is installed on the left side of the upper end of the workbench (1), the bending device (3) is arranged on the right side of the clamping device (2), the bending device (3) is installed on the right side of the upper end of the workbench (1), the supporting device (4) is arranged on the outer sides of the clamping device (2) and the bending device (3), and the supporting device (4) is installed on the upper end of the workbench (1); wherein:

the bending device (3) comprises a bending mechanism (31), a locking mechanism (32), an installation shaft (33) and a bending block (34), the bending mechanism (31) is installed at the upper end of the workbench (1) in a sliding fit mode, the locking mechanism (32) is installed at the upper end of the bending mechanism (31), the installation shaft (33) is installed in the middle of the upper end of the workbench (1), and the bending block (34) is installed at the upper end of the installation shaft (33) through a bearing;

the bending mechanism (31) comprises an installation block (311), a connection block (312), a bending handle (313) and a guide pin column (314), the installation block (311) is installed on the right side of the upper end of the workbench (1) in a sliding fit mode, the connection block (312) is installed at the front end of the installation block (311), the bending handle (313) is installed at the right end of the connection block (312), and the guide pin column (314) is installed at the lower end of the connection block (312);

the supporting device (4) comprises a supporting mechanism (41) and a locking mechanism (42), the supporting mechanism (41) is installed on the right side of the upper end of the workbench (1) and located on the right side of the bending mechanism (31), the locking mechanism (42) is installed on the left side of the upper end of the workbench (1), and the locking mechanism (42) is located on the left side of the clamping device (2);

the supporting mechanism (41) comprises a mounting cylinder (411), a mounting column (412), a clockwork spring (413), a rope seat (414), a steel wire rope (415), a supporting ball (416) and a locking ball (417), the mounting cylinder (411) is mounted on the left side of the upper end of the workbench (1), the mounting column (412) is mounted inside the mounting cylinder (411) through a bearing, the clockwork spring (413) is arranged on the outer side of the mounting column (412), the rope seat (414) is mounted at the upper end of the mounting column (412), the steel wire rope (415) is wound on the rope seat (414), the supporting ball (416) is arranged at the free end of the steel wire rope (415), the supporting balls (416) are uniformly arranged from right to left, the supporting balls (416) are connected through a ball hinge, and the locking ball (417) is mounted at the left end of the supporting;

the supporting ball (416) comprises a ball body (4161), sliding balls (4162) and a compression spring (4163), the sliding balls (4162) are uniformly arranged on the outer side of the ball body (4161) in a sliding fit mode, and the compression spring (4163) is arranged between the lower end of each sliding ball (4162) and the ball body (4161).

2. The bending processing technology of the PPR water pipe as claimed in claim 1, wherein: clamping device (2) are including fixed column (21), rotate installation piece (22), ring cover (23), threaded rod (24) and press from both sides tight piece (25), and fixed column (21) are installed in workstation (1) upper end left side, and fixed column (21) upper end is installed through the bearing and is rotated installation piece (22), rotates installation piece (22) upper end and installs ring cover (23), and threaded rod (24) are installed through screw-thread fit's mode in ring cover (23) upper end, and tight piece (25) are installed through the bearing to threaded rod (24) lower extreme.

3. The bending processing technology of the PPR water pipe as claimed in claim 1, wherein: the lower end of the mounting block (311) is provided with a ball.

4. The bending processing technology of the PPR water pipe as claimed in claim 1, wherein: an elliptical groove is formed in the middle of the upper end of the workbench (1), and the guide pin columns (314) are installed in the elliptical groove in a sliding fit mode.

5. The bending processing technology of the PPR water pipe as claimed in claim 1, wherein: the locking mechanism (32) comprises a supporting plate (321), three sliding blocks (322), three abutting springs (323), a locking plate (324), two dovetail blocks (325), a locking block (326) and a locking screw (327), the lower end of the supporting plate (321) is installed in the middle of the upper end of the installing block (311), the sliding blocks (322) are installed on the inner side of the supporting plate (321) in a sliding fit mode, the abutting springs (323) are arranged between the lower end of the sliding blocks (322) and the supporting plate (321), the locking plate (324) is arranged at the upper end of the supporting plate (321), the dovetail blocks (325) are symmetrically installed at the front and back of the lower end of the locking plate (324), the dovetail blocks (325) are installed on the supporting plate (321) in a sliding fit mode, the locking block (326) is installed on the upper side of the rear end of the installing block (311), and the locking screw (327) is, and the lower end of the locking screw (327) is arranged in the middle of the locking plate (324) in a thread matching mode.

6. The bending processing technology of the PPR water pipe as claimed in claim 5, wherein: the inner sides of the circular ring sleeve (23), the clamping block (25), the supporting plate (321) and the locking plate (324) are all provided with rubber layers, and the outer sides of the rubber layers are all provided with anti-skidding lines.

7. The bending processing technology of the PPR water pipe as claimed in claim 1, wherein: the bending block (34) is of an oval structure, and a semicircular groove is formed in the outer side of the bending block (34).

8. The bending processing technology of the PPR water pipe as claimed in claim 1, wherein: locking mechanism (42) are including mount pad (421), locking lid (422), fixed block (423), inserted bar (424), two fixed covers (425), two locking poles (426) and two locking spring (427), mount pad (421) are installed in workstation (1) upper end left side, mount pad (421) upper end is installed locking lid (422) through the hinge, fixed block (423) are installed to locking lid (422) front end, inserted bar (424) are installed to fixed block (423) lower extreme, front end bilateral symmetry is done in the installation and fixed cover (425) are installed, locking pole (426) are installed through sliding fit's mode to fixed cover (425) inboard, be provided with locking spring (427) between locking pole (426) inboard and fixed cover (425).