Mining polyethylene pipe production and processing equipment

Abstract

The invention discloses mining polyethylene pipe production and processing equipment, and relates to the field of polyethylene pipe processing, the mining polyethylene pipe production and processing equipment comprises a double polishing structure used for polishing a polyethylene pipe, the double polishing structure comprises a plurality of polishing rods, and a supporting plate is arranged at the front end of the polyethylene pipe; three first limiting grooves are formed in the front portion, close to the outer ring, of the supporting plate in a penetrating mode, three second limiting grooves are formed in the front portion, close to the circle center, of the supporting plate, a rotating ring is rotationally connected to the front portion of the supporting plate, a rotating plate is rotationally connected to the position, located on the inner ring of the rotating ring, of the front portion of the supporting plate, and three first arc-shaped grooves are formed in the front portion of the rotating ring in a penetrating mode. The front portion of the rotating plate penetrates through the rear portion and is provided with three sets of second arc-shaped grooves. By arranging the double polishing structures, the inner ring and the outer ring at the end opening of the polyethylene pipe are polished at the same time, the polishing efficiency is greatly improved, compared with a traditional single-ring polishing mode, a large amount of machining time is saved, the production efficiency is improved, and the efficient requirement for batch production of the mining polyethylene pipe is met.

Description

Technical Field

[0001] The invention relates to the field of polyethylene pipe processing, and in particular to a production and processing equipment for polyethylene pipes for mining. Background Art

[0002] Mining polyethylene pipe is a high-performance pipe specially used in mining environment. It is widely used in mine drainage, ventilation, gas transmission and other systems due to its corrosion resistance, wear resistance and light weight. In the processing and installation of mining polyethylene pipe, in order to ensure the quality of pipe ports and improve the sealing and reliability of connections, port grinding devices are needed to remove burrs and rough edges of the ports to make them smooth and flat.

[0003] However, the existing grinding device can only perform single grinding on the inner ring or outer ring of the polyethylene pipe port, and cannot take into account the grinding work of the inner and outer rings at the same time. As a result, in the actual production process, the pipe needs to be subjected to two different grinding operations, which not only consumes a lot of time and labor costs, but also because there is a certain time interval and operation error between the two operations, it is difficult to ensure the dimensional accuracy and surface quality consistency of the inner and outer rings of the pipe after grinding. Summary of the invention

[0004] The main purpose of the present invention is to provide a production and processing equipment for polyethylene pipes for mining, which can effectively solve the technical problems in the background technology.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A mining polyethylene pipe production and processing equipment comprises a double grinding structure for grinding polyethylene pipes, the double grinding structure comprises a plurality of grinding rods, a support plate is arranged at the front end of the polyethylene pipe, three groups of limiting grooves 1 are opened through the front of the support plate near the outer ring, three groups of limiting grooves 2 are opened through the front of the support plate near the center, a swivel is rotatably connected to the front of the support plate, a swivel is rotatably connected to the front of the support plate and located at the inner ring of the swivel, the front of the swivel is opened through the rear and three groups of arc grooves 1 are opened, the front of the swivel is opened through the rear and three groups of arc grooves 2 are opened, a plurality of grinding rods respectively correspond to the rear parts of limiting grooves 1 and limiting grooves 2, the front of the grinding rod near the outer ring of the support plate penetrates the front of limiting groove 1 and the front of arc groove 1 and is fixedly connected to limiting block 1, the front of the grinding rod near the center of the support plate penetrates the front of limiting groove 2 and the front of arc groove 2 is also fixedly connected to limiting block 1.

[0007] As a further solution of the present invention, the limit block 1 close to the outer circle of the support plate is located at the close end of arc groove 1 and the close end of limiting groove 1, and the limit block 1 close to the center of the support plate is located at the far end of arc groove 2 and the far end of limiting groove 2.

[0008] As a further solution of the present invention, the polishing rod near the outer circle of the support plate contacts the outer surface of the polyethylene tube, and the polishing rod near the center of the support plate contacts the inner circle of the polyethylene tube.

[0009] As a further solution of the present invention, a switching structure is provided at the front of the swivel and the swivel plate, the switching structure includes a connecting shaft, the connecting shaft is fixedly connected to the inside of the swivel plate and is located at the center of the circle, three support blocks are fixedly connected to the outer surface of the swivel at equal distances, three connecting blocks are fixedly connected to the front of the three support blocks, the close ends of the three connecting blocks are fixedly connected to fixing blocks, the front of the fixing blocks is fixedly connected to a fixing block, one end of the connecting shaft passes through the front of the fixing block and the front of the fixing block, and a fixing ring is threadedly connected to the outer surface of the connecting shaft and the outer surface of the fixing block.

[0010] As a further solution of the present invention, a handle is fixedly connected to the front of the connecting shaft, a hexagonal groove is penetrated through the front of the handle, the distance between the connecting block and the front of the swivel is greater than the thickness of the limit block, and the distance between the front of the fixed ring and the handle is greater than the length of the fixed ring.

[0011] As a further solution of the present invention, a driving tooth groove is opened at the front center position of the support plate, a driving tooth ring is rotatably connected inside the support plate and inside the driving tooth groove, a driving block is rotatably connected inside the support plate and inside the driving tooth ring, and the rear part of the connecting shaft is fixedly connected to the front part of the driving block.

[0012] As a further solution of the present invention, a one-way groove is provided inside the driving gear ring, a plurality of placement grooves are provided inside the driving block at equal intervals through the outer surface, a one-way block is rotatably connected inside the placement groove, and a pair of springs are fixedly connected between the one-way block and the inside of the placement groove.

[0013] As a further solution of the present invention, the one-way groove is composed of a plurality of inclined surfaces and vertical surfaces, one side of the one-way block is arranged as an inclined surface, and the other side of the one-way block is arranged as a vertical surface, the one-way block is adaptively matched with the one-way groove, and the driving gear ring and the driving gear groove are engaged with each other.

[0014] As a further scheme of the present invention, a stabilizing ring is provided at the rear end of the grinding rod close to the outer circle of the support plate, and a stabilizing block is provided at the rear end of the grinding rod close to the center of the support plate. The outer surface of the stabilizing block and the inner circle of the stabilizing ring are provided with three stabilizing grooves at equal intervals. The inner circle of the stabilizing ring and the outer surface of the stabilizing block are fixedly connected with three pairs of telescopic rods at equal intervals. A fixed pad is provided at one end of the telescopic rod. Parallel blocks are fixedly connected on both sides of the bottom of the fixed pad. One end of the telescopic rod is fixedly connected to the bottom of the parallel block. A second spring is fixedly connected between the parallel block and the stabilizing block and located on the outer surface of the telescopic rod. The rear of the grinding rod passes through the rear of the fixed pad and is fixedly connected to a limiting block two.

[0015] As a further solution of the present invention, a ball seat is fixedly connected to the top of the fixed pad, a rolling ball is rotatably connected to the inside of the ball seat, a fixing rod is fixedly connected between the stabilizing block and the support plate, and three arc-shaped fixing plates are equidistantly fixedly connected between the stabilizing ring and the support plate.

[0016] The beneficial effects of the present invention are as follows:

[0017] By setting up a double grinding structure, the distance between several grinding rods can be flexibly adjusted. Whether facing the outer ring of polyethylene pipes with different outer diameters or the inner rings with different inner diameters, the grinding rods can be accurately fitted to the pipes by rotating the swivel ring and the rotating plate. This can meet the processing needs of pipes of various specifications, effectively improve the versatility of the equipment, reduce the trouble of changing equipment due to differences in pipe specifications, and reduce production costs;

[0018] After adjusting the spacing between the grinding rods, rotating the support plate can drive several grinding rods to rotate synchronously, so as to grind the inner and outer rings of the polyethylene pipe port at the same time, which greatly improves the grinding efficiency. Compared with the traditional single-circle grinding method, it saves a lot of processing time, improves production efficiency, and meets the high-efficiency demand for mass production of polyethylene pipes for mining.

[0019] By setting up a switching structure, the rotating ring and the rotating plate can rotate independently or synchronously. When the spacing between several grinding rods needs to be adjusted separately to accurately fit polyethylene pipes with different inner and outer diameters, the rotating ring and the rotating plate can be operated separately to achieve fine adjustment. When the pipes need to be quickly and batch-grinded, the rotating ring and the rotating plate can be rotated synchronously through simple operations, which greatly improves the flexibility of equipment operation and meets the needs of different production scenarios.

[0020] By arranging driving tooth grooves and driving tooth rings inside the support plate and arranging one-way grooves and one-way blocks inside the driving block, precise control of the grinding action of the equipment is achieved, so that when the coupling shaft is rotated counterclockwise, the driving block rotates idly and the support plate cannot rotate, thus avoiding accidental rotation of the support plate due to misoperation and ensuring the safety and stability of the equipment operation; when the coupling shaft is rotated clockwise, the driving block can effectively drive the driving tooth ring and the support plate to rotate, and drive the support plate, rotating ring and rotating plate to rotate synchronously clockwise, thereby starting the grinding process of the polyethylene pipe, ensuring that the grinding operation is carried out in a predetermined direction and manner, and improving the accuracy and reliability of the grinding operation;

[0021] By arranging a stabilizing ring, a stabilizing block, a telescopic rod, a second spring and a second limit block at the rear of the grinding rod, when adjusting the spacing of the grinding rods, the second spring can stabilize the rear of the grinding rod, ensuring that the grinding rod is more stable during movement, providing stable support for the grinding operation, and improving the grinding quality;

[0022] By setting a ball seat and a rolling ball on the top of the fixed pad, the rolling ball contacts the inner and outer circles of the polyethylene pipe during the adjustment of the grinding rod spacing and grinding process, reducing the friction between the fixed pad and the pipe, reducing the heat accumulation caused by friction, avoiding overheating damage to the pipe, and ensuring the stability of the pipe quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of a mining polyethylene pipe production and processing equipment of the present invention;

[0024] Figure 2 This is a disassembled diagram of the double grinding structure of a mining polyethylene pipe production and processing equipment of the present invention;

[0025] Figure 3 This is a switching structure split diagram of a mining polyethylene pipe production and processing equipment of the present invention;

[0026] Figure 4 This is a switching structure analysis and split diagram of a mining polyethylene pipe production and processing equipment of the present invention;

[0027] Figure 5 This is a disassembled diagram of a driving gear ring and a driving gear groove of a mining polyethylene pipe production and processing equipment of the present invention;

[0028] Figure 6 This is a dissection diagram of a driving gear ring and a driving block of a mining polyethylene pipe production and processing equipment of the present invention;

[0029] Figure 7 This is a split diagram of a fixed pad and a limit block of a mining polyethylene pipe production and processing equipment of the present invention;

[0030] Figure 8 This is a disassembled view of the limit block 2 and the fixed pad block of a mining polyethylene pipe production and processing equipment of the present invention.

[0031] In the figure: 1, polyethylene tube; 2, double grinding structure; 3, switching structure; 4, support plate; 5, swivel; 6, grinding rod; 7, limiting groove 1; 8, arc groove 1; 9, swivel plate; 10, arc groove 2; 11, limit block 1; 12, support block; 13, connecting block; 14, fixing block; 15, connecting shaft; 16, handle; 17, fixing ring; 18, driving block; 19, driving gear ring; 20, fixing block ; 21. Hexagonal groove; 22. Driving tooth groove; 23. One-way groove; 24. Placement groove; 25. One-way block; 26. Spring one; 27. Stabilizing ring; 28. Stabilizing block; 29. ​​Arc-shaped fixing plate; 30. Fixing rod; 31. Stabilizing groove; 32. Fixed pad; 33. Parallel block; 34. Telescopic rod; 35. Spring two; 36. Ball seat; 37. Rolling ball; 38. Limit block two; 39. Limiting groove two. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0033] like Figure 1 - Figure 8 As shown, a production and processing equipment for polyethylene pipes for mining includes a double grinding structure 2 for grinding polyethylene pipes 1, the double grinding structure 2 includes a plurality of grinding rods 6, a support plate 4 is arranged at the front end of the polyethylene pipe 1, three groups of limiting grooves 7 are opened through the front of the support plate 4 near the outer ring, three groups of limiting grooves 39 are opened near the center of the front of the support plate 4, a swivel 5 is rotatably connected to the front of the support plate 4, a swivel plate 9 is rotatably connected to the front of the support plate 4 and located at the inner ring of the swivel 5, and the front of the swivel 5 is rotatably connected to the front of the support plate 4. The front part of the grinding rod 6 near the outer circle of the supporting plate 4 passes through the front part of the limiting groove 7 and the front part of the arc groove 8 and is fixedly connected to the limiting block 11, and the front part of the grinding rod 6 near the center of the supporting plate 4 passes through the front part of the limiting groove 2 39 and the front part of the arc groove 2 10 and is also fixedly connected to the limiting block 11.

[0034] In actual operation, the rotating ring 5 and the rotating plate 9 are rotated counterclockwise, and the rotation of the rotating ring 5 drives the three arc grooves 8 to rotate, and then the three grinding rods 6 on the outer ring of the support plate 4 are driven to slide away from each other along the three limiting grooves 7 through the three limit blocks 11 on the inner ring of the rotating ring 5, thereby increasing the distance between the three grinding rods 6 on the outer ring of the support plate 4.

[0035] The rotation of the rotating plate 9 will drive the three arc grooves 2 10 to rotate, and then drive the three grinding rods 6 near the center of the support plate 4 to slide close to each other along the three limiting grooves 2 39 through the three limit blocks 11 near the outer circle of the rotating plate 9, so that the distance between the three grinding rods 6 near the center of the support plate 4 becomes smaller. Therefore, by rotating the rotating ring 5 and the rotating plate 9, the distance between the several grinding rods 6 can be adjusted to adapt to the polyethylene tubes 1 with different inner and outer diameters, so that the several grinding rods 6 can always be in contact with the inner and outer rings of the polyethylene tube 1. At this time, by rotating the support plate 4 again, the two sets of limit blocks 11 can be used to drive the several grinding rods 6 to rotate synchronously, so that the inner and outer rings at the end of the polyethylene tube 1 can be polished at the same time.

[0036] In this embodiment, the limit block 11 close to the outer circle of the support plate 4 is located at the close end of the arc groove 18 and the close end of the limiting groove 17, and the limit block 11 close to the center of the support plate 4 is located at the far end of the arc groove 2 10 and the far end of the limiting groove 2 39.

[0037] In this embodiment, the grinding rod 6 near the outer circle of the support plate 4 contacts the outer surface of the polyethylene tube 1 , and the grinding rod 6 near the center of the support plate 4 contacts the inner circle of the polyethylene tube 1 .

[0038] In this embodiment, a switching structure 3 is provided at the front of the swivel 5 and the swivel plate 9, and the switching structure 3 includes a connecting shaft 15, which is fixedly connected to the inside of the swivel plate 9 and is located at the center of the circle. Three support blocks 12 are fixedly connected to the outer surface of the swivel 5 at equal intervals, and the front parts of the three support blocks 12 are fixedly connected to three connecting blocks 13, and the adjacent ends of the three connecting blocks 13 are fixedly connected to fixing blocks 14, and the front part of the fixing block 14 is fixedly connected to a fixing block 20, one end of the connecting shaft 15 passes through the front part of the fixing block 14 and the front part of the fixing block 20, and the outer surface of the connecting shaft 15 and the outer surface of the fixing block 20 are threadedly connected to a fixing ring 17.

[0039] Specifically, the fixing ring 17 is rotated so that the fixing ring 17 and the fixing block 20 are no longer threadedly connected, so that the fixing block 20 and the connecting shaft 15 are no longer a whole. At this time, rotating the connecting shaft 15 counterclockwise can only drive the rotating plate 9 to rotate. Therefore, the rotating ring 5 and the rotating plate 9 can be rotated separately. The fixing ring 17 is rotated so that the fixing ring 17 and the fixing block 20 are threadedly connected again, so that the fixing block 20 and the connecting shaft 15 are a whole. At this time, rotating the connecting shaft 15 drives the rotating plate 9 to rotate, and drives the fixing block 20 to rotate synchronously through the fixing ring 17, and then drives the three support blocks 12 and the rotating ring 5 to rotate together through the three connecting blocks 13, and then drives the rotating ring 5 and the rotating plate 9 to rotate synchronously.

[0040] In this embodiment, the front of the connecting shaft 15 is fixedly connected to the handle 16, and the front of the handle 16 is penetrated by a hexagonal groove 21. The distance between the connecting block 13 and the front of the rotating ring 5 is greater than the thickness of the limit block 11, and the distance between the front of the fixing ring 17 and the handle 16 is greater than the length of the fixing ring 17.

[0041] Specifically, the hexagonal groove 21 can be connected to an external power device, and then the handle 16 and the connecting shaft 15 can be driven to rotate together by the external power device.

[0042] In this embodiment, a driving tooth groove 22 is opened at the front center position of the support plate 4, and a driving gear ring 19 is rotatably connected inside the support plate 4 and inside the driving tooth groove 22. A driving block 18 is rotatably connected inside the support plate 4 and inside the driving gear ring 19, and the rear part of the connecting shaft 15 is fixedly connected to the front part of the driving block 18.

[0043] In this embodiment, a one-way groove 23 is opened inside the driving gear ring 19, and a plurality of placement grooves 24 are opened evenly spaced inside the driving block 18 through the outer surface. A one-way block 25 is rotatably connected inside the placement groove 24, and a pair of springs 26 are fixedly connected between the one-way block 25 and the inside of the placement groove 24.

[0044] Specifically, when the connecting shaft 15 is rotated counterclockwise, the rotating plate 9 and the rotating ring 5 are driven to rotate, and the driving block 18 is driven to rotate counterclockwise together, so that the inclined surface of the one-way block 25 and the inclined surface of the one-way groove 23 are squeezed against each other, and then the one-way block 25 is squeezed into the inside of the placement groove 24, so that the one-way block 25 and the one-way groove 23 cannot be engaged. Therefore, the driving block 18 rotates counterclockwise inside the one-way groove 23, and cannot drive the driving gear ring 19 to rotate together, and therefore cannot drive the support plate 4 to rotate counterclockwise together;

[0045] When the connecting shaft 15 is rotated clockwise, the rotating plate 9 and the rotating ring 5 are driven to rotate together, and the driving block 18 is driven to rotate clockwise together, so that the vertical surface of the one-way block 25 and the vertical surface of the one-way groove 23 are squeezed against each other, so that the one-way block 25 can be normally engaged with the one-way groove 23. Therefore, the driving block 18 rotates clockwise through the connecting shaft 15, and drives the one-way groove 23 and the driving gear ring 19 to rotate counterclockwise through several one-way blocks 25, thereby driving the support plate 4 to rotate together. Therefore, the connecting shaft 15 is rotated clockwise and through the cooperation of the switching structure 3, the rotating plate 9, the rotating ring 5 and the support plate 4 can rotate clockwise together. Therefore, the inner and outer rings of the polyethylene pipe 1 are synchronously polished.

[0046] In this embodiment, the one-way groove 23 is composed of a plurality of inclined surfaces and vertical surfaces. One side of the one-way block 25 is set as an inclined surface, and the other side of the one-way block 25 is set as a vertical surface. The one-way block 25 is adaptively matched with the one-way groove 23, and the driving gear ring 19 and the driving gear groove 22 are engaged with each other.

[0047] In this embodiment, a stabilizing ring 27 is provided at the rear end of the grinding rod 6 close to the outer circle of the support plate 4, and a stabilizing block 28 is provided at the rear end of the grinding rod 6 close to the center of the support plate 4. Three stabilizing grooves 31 are equidistantly provided on the outer surface of the stabilizing block 28 and the inner circle of the stabilizing ring 27. Three pairs of telescopic rods 34 are equidistantly fixedly connected to the inner circle of the stabilizing ring 27 and the outer surface of the stabilizing block 28. A fixed pad 32 is provided at one end of the telescopic rod 34. Parallel blocks 33 are fixedly connected to the bottom of the fixed pad 32 on both sides. One end of the telescopic rod 34 is fixedly connected to the bottom of the parallel block 33. A spring 2 35 is fixedly connected between the parallel block 33 and the stabilizing block 28 and on the outer surface of the telescopic rod 34. The rear of the grinding rod 6 passes through the rear of the fixed pad 32 and is fixedly connected to a limiting block 2 38.

[0048] When the rotating plate 9 and the rotating ring 5 are rotated to change the distance between the plurality of grinding rods 6, the fixed pad 32 and the pair of parallel blocks 33 are driven to move together through the limit block 2 38, thereby driving the two springs 2 35 and the two telescopic rods 34 to deform together. Therefore, while the grinding rod 6 is displaced, the rear part of the grinding rod 6 can be stabilized by the spring 2 35, so that the grinding rod 6 is more stable during the movement.

[0049] In this embodiment, a ball seat 36 is fixedly connected to the top of the fixed pad 32, a rolling ball 37 is rotatably connected to the inside of the ball seat 36, a fixing rod 30 is fixedly connected between the stabilizing block 28 and the support plate 4, and three arc-shaped fixing plates 29 are equidistantly fixedly connected between the stabilizing ring 27 and the support plate 4.

[0050] When the rotating plate 9 and the rotating ring 5 are rotated to change the distance between the plurality of grinding rods 6, the fixed pad 32 and the pair of parallel blocks 33 are driven to move together through the limit block 2 38, and the rolling ball 37 contacts the inner and outer rings of the polyethylene tube 1. The friction between the fixed pad 32 and the polyethylene tube 1 is reduced by the rolling ball 37. Therefore, when the inner and outer rings of the polyethylene tube 1 are ground, the heat accumulation caused by friction between the fixed pad 32 and the polyethylene tube 1 can be reduced.

[0051] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A production and processing equipment for polyethylene pipes for mining, comprising a double grinding structure (2) for grinding polyethylene pipes (1), characterized in that: The double grinding structure (2) comprises a plurality of grinding rods (6). A support plate (4) is arranged at the front end of the polyethylene tube (1). The front part of the support plate (4) is provided with three groups of limiting grooves (7) through the outer ring, and the front part of the support plate (4) is provided with three groups of limiting grooves (39) through the center. The front part of the support plate (4) is rotatably connected to a rotating ring (5). The front part of the support plate (4) is rotatably connected to the inner ring of the rotating ring (5). A rotating plate (9) is provided at the front part of the supporting plate (4) and is located at the inner ring of the rotating ring (5). The front part of the rotating ring (5) is provided with three groups of arc grooves (8) through the rear. The front part of the support plate (9) penetrates through the rear part and is provided with three groups of arc grooves 2 (10). A plurality of grinding rods (6) correspond to the rear parts of the limiting groove 1 (7) and the limiting groove 2 (39) respectively. The front part of the grinding rod (6) near the outer circle of the support plate (4) penetrates through the front part of the limiting groove 1 (7) and the front part of the arc groove 1 (8) and is fixedly connected to the limiting block 1 (11). The front part of the grinding rod (6) near the center of the support plate (4) penetrates through the front part of the limiting groove 2 (39) and the front part of the arc groove 2 (10) and is also fixedly connected to the limiting block 1 (11).

2. The production and processing equipment for polyethylene pipes for mining according to claim 1, characterized in that: The limit block 1 (11) close to the outer ring of the support plate (4) is located at the close end of the arc groove 1 (8) and the close end of the limiting groove 1 (7), and the limit block 1 (11) close to the center of the support plate (4) is located at the far end of the arc groove 2 (10) and the far end of the limiting groove 2 (39).

3. The production and processing equipment for polyethylene pipes for mining according to claim 1, characterized in that: The grinding rod (6) near the outer circle of the support plate (4) contacts the outer surface of the polyethylene tube (1), and the grinding rod (6) near the center of the support plate (4) contacts the inner circle of the polyethylene tube (1).

4. The production and processing equipment for polyethylene pipes for mining according to claim 1, characterized in that: The front parts of the rotating ring (5) and the rotating plate (9) are provided with a switching structure (3), the switching structure (3) comprising a connecting shaft (15), the connecting shaft (15) being fixedly connected to the inside of the rotating plate (9) and being located at the center of a circle, the outer surface of the rotating ring (5) being fixedly connected to three supporting blocks (12) at equal intervals, the front parts of the three supporting blocks (12) being fixedly connected to three connecting blocks (13), the adjacent ends of the three connecting blocks (13) being fixedly connected to a fixing block (14), the front part of the fixing block (14) being fixedly connected to a fixing block (20), one end of the connecting shaft (15) passing through the front part of the fixing block (14) and the front part of the fixing block (20), the outer surface of the connecting shaft (15) and the outer surface of the fixing block (20) being threadedly connected to a fixing ring (17).

5. The production and processing equipment for polyethylene pipes for mining according to claim 4, characterized in that: The front part of the connecting shaft (15) is fixedly connected with a handle (16), and the front part of the handle (16) is penetrated with a hexagonal groove (21). The distance between the connecting block (13) and the front part of the rotating ring (5) is greater than the thickness of the limiting block (11), and the distance between the front part of the fixing ring (17) and the handle (16) is greater than the length of the fixing ring (17).

6. The production and processing equipment for polyethylene pipes for mining according to claim 1, characterized in that: A driving tooth groove (22) is provided at the center of the front circle of the support plate (4); a driving tooth ring (19) is rotatably connected inside the support plate (4) and inside the driving tooth groove (22); a driving block (18) is rotatably connected inside the support plate (4) and inside the driving tooth ring (19); and the rear part of the connecting shaft (15) is fixedly connected to the front part of the driving block (18).

7. The production and processing equipment for polyethylene pipes for mining according to claim 6, characterized in that: The driving gear ring (19) is provided with a one-way groove (23) inside, and a plurality of placement grooves (24) are provided at equal intervals inside the driving block (18) through the outer surface. A one-way block (25) is rotatably connected inside the placement groove (24), and a pair of springs (26) are fixedly connected between the one-way block (25) and the inside of the placement groove (24).

8. The production and processing equipment for polyethylene pipes for mining according to claim 7, characterized in that: The one-way groove (23) is composed of a plurality of inclined surfaces and vertical surfaces. One side of the one-way block (25) is provided with an inclined surface, and the other side of the one-way block (25) is provided with a vertical surface. The one-way block (25) is adaptively matched with the one-way groove (23), and the driving gear ring (19) and the driving tooth groove (22) are mutually engaged.

9. The production and processing equipment for polyethylene pipes for mining according to claim 3, characterized in that: A stabilizing ring (27) is provided at the rear end of the grinding rod (6) close to the outer ring of the support plate (4), and a stabilizing block (28) is provided at the rear end of the grinding rod (6) close to the center of the support plate (4). The outer surface of the stabilizing block (28) and the inner ring of the stabilizing ring (27) are both equidistantly provided with three stabilizing grooves (31). The inner ring of the stabilizing ring (27) and the outer surface of the stabilizing block (28) are both equidistantly fixedly connected with three pairs of telescopic rods (34). The telescopic rods ( A fixed pad (32) is provided at one end of the fixed pad (34), parallel blocks (33) are fixedly connected to the bottom of the fixed pad (32) on both sides, one end of the telescopic rod (34) is fixedly connected to the bottom of the parallel block (33), a spring 2 (35) is fixedly connected between the parallel block (33) and the stabilizing block (28) and located on the outer surface of the telescopic rod (34), and the rear part of the grinding rod (6) passes through the rear part of the fixed pad (32) and is fixedly connected to the limiting block 2 (38).

10. The production and processing equipment for polyethylene pipes for mining according to claim 9, characterized in that: A ball seat (36) is fixedly connected to the top of the fixed pad (32), and a rolling ball (37) is rotatably connected to the inside of the ball seat (36). A fixing rod (30) is fixedly connected between the stabilizing block (28) and the support plate (4), and three arc-shaped fixing plates (29) are fixedly connected at equal distances between the stabilizing ring (27) and the support plate (4).

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