Outer surface grinding equipment for cable protection pipe production

Abstract

The invention relates to the technical field of cable protection pipe polishing, and discloses cable protection pipe production outer surface polishing equipment which comprises a frame body, a power shaft is rotationally connected to the inner wall of the frame body, a conveying belt is arranged on the circumferential surface of the power shaft, a positioning mechanism is arranged at the top of the frame body, and a dustproof mechanism is arranged at the top of the frame body. And the grinding mechanism comprises a limiting rod, a reciprocating screw rod, a grinding frame, an abrasive paper sheet, a hollow groove and a fixing plate, the fixing plate is fixedly connected to the inner wall of the frame body, when pipe fittings are different in size, grinding wheels are extruded through the diameters of the pipe fittings, and after the grinding wheels are extruded, the grinding wheels are driven to rotate through a spring between an extrusion device block and a vertical moving frame; and the springs are arranged between the fixing rods and the polishing frame, so that polishing of pipe materials with different diameters is achieved, the adaptability of the device is improved, the labor and time cost for debugging the device is avoided, and the production efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cable protection pipe polishing, in particular to an outer surface polishing equipment for cable protection pipe production. BACKGROUND

[0002] The cable protection pipe is mainly installed in the section where the communication cable and the power line cross, to prevent the power line from breaking and causing a short circuit accident, and to cause the communication cable and the steel wire rope to be electrified, so as to protect the cable, the switch, the core board, and even the whole machine from being burned out.

[0003] The patent with publication number CN219325129U provides a cable protection pipe polishing device, which comprises a plate frame, a support assembly one and a support assembly two are slidably arranged on the upper side of the plate frame; the support assembly one comprises a sliding block slidably installed on the plate frame, an installation frame is arranged on the upper side of the sliding block, a positioning cylinder is fixedly arranged on the installation frame, an adjusting rod is screwed with the positioning cylinder, a resisting block is arranged on the adjusting rod, a positioning rod is arranged on the positioning cylinder, a friction block for contacting the inner wall of the cable protection pipe is arranged at one end of the positioning rod, and a slope adapted to the side surface of the resisting block is arranged at the other end of the positioning rod; the difference between the support assembly two and the support assembly one is that the positioning cylinder in the support assembly two is rotatably arranged on the installation frame, and a driving motor is further arranged on the installation frame, and the power output end of the driving motor drives the positioning cylinder to rotate through a gear structure; a polishing assembly is further arranged above the plate frame. The utility model can quickly clamp and position the cable protection pipe, efficiently polish the surface of the cable protection pipe, and ensure the polishing effect. Although the device solves the above problems, it still has the disadvantage that different diameter pipes cannot be polished, so an outer surface polishing equipment for cable protection pipe production is proposed to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the present application is to provide an outer surface polishing equipment for cable protection pipe production in view of the deficiencies in the prior art.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is: an outer surface polishing equipment for cable protection pipe production, comprising a frame body, a power shaft is rotatably connected to the inner wall of the frame body, a conveying belt is arranged on the circumference of the power shaft, a polishing mechanism is arranged on the top of the frame body, a positioning mechanism is arranged on the top of the frame body, and a dust prevention mechanism is arranged on the top of the frame body, the polishing mechanism comprises a limiting rod, a reciprocating screw rod, a polishing frame, a sandpaper sheet, a hollow slot and a fixed plate, the fixed plate is fixedly connected to the inner wall of the frame body, the limiting rod is rotatably connected to the outer wall of the fixed plate, the reciprocating screw rod is rotatably connected to the outer wall of the fixed plate, the polishing frame is movably connected to the circumference of the reciprocating screw rod, the sandpaper sheet is fixedly connected to the inner wall of the polishing frame, the hollow slot is arranged in the polishing frame, the polishing mechanism further comprises a vertical moving frame, a fixed rod, a polishing wheel and a device block, the vertical moving frame is slidably connected to the inner wall of the hollow slot, the fixed rod is slidably connected to the bottom of the vertical moving frame, the polishing wheel is fixedly connected to the bottom of the fixed rod, the device block is fixedly connected to the inner wall of the hollow slot, the fixed rod and the inner wall of the polishing frame are connected through a spring, the vertical moving frame and the device block are connected through a spring, the sandpaper sheet is in contact with the surface of the conveying belt, the reciprocating screw rod and the power shaft are meshed and driven through bevel gears, the limiting rod and the power shaft are meshed and driven through bevel gears, and one end of the power shaft is provided with a motor, when the device starts to work, the motor drives the power shaft to rotate, the power shaft drives the conveying belt to rotate when rotating, the conveying belt rotates to realize the transportation of the pipe to be polished, when the pipe is transported to the bottom of the polishing frame by the conveying belt, the pipe will be in contact with the polishing wheel to realize the polishing of the pipe, when the size of the pipe is different, the diameter of the pipe will extrude the polishing wheel, and the polishing wheel is extruded through the spring between the device block and the vertical moving frame and the spring between the fixed rod and the polishing frame to realize the polishing of pipes with different diameters, thereby improving the adaptability of the device, avoiding the labor and time cost of adjusting the device, and improving the production efficiency of the device, the power shaft rotates to drive the reciprocating screw rod to rotate through the meshing of the bevel gear set, the reciprocating screw rod rotates to drive the polishing frame to reciprocate under the limitation of the limiting rod through the cross spiral groove on the circumference, the polishing frame moves to drive the polishing wheel to move, thereby prolonging the contact time of the polishing wheel and the pipe and increasing the friction between the polishing wheel and the pipe to improve the polishing effect of the device.

[0006] Preferably, the positioning mechanism comprises clamping frames, device plates, sliding blocks, connecting columns, rotating columns, alignment belts, the clamping frames are fixedly connected at the top of the frame body, the device plates are fixedly connected between the two clamping frames, the sliding blocks are slidingly connected to the inner wall of the device plates, the connecting columns are fixedly connected to the bottom of the sliding blocks, the rotating columns are rotatably connected to the bottom of the connecting columns, the alignment belts are rotatably connected to the outer circumferential surface of the rotating columns, the positioning mechanism further comprises spiral rotating rods, limiting circles, device frames, rotating belts and limiting rods, the device frames are fixedly connected to the inner wall of the frame body, the spiral rotating rods are rotatably connected to the outer wall of the device frames, the limiting circles are fixedly connected to one end of the spiral rotating rods, the rotating belts are rotatably connected to the outer circumferential surface of the spiral rotating rods, and the limiting rods are rotatably connected to the outer wall of the device frames, the rotating belts have a certain elasticity, the spiral rotating rods are movably connected to the inner wall of the polishing frame, the rotating belts are rotatably connected to the outer circumferential surface of the limiting rods, the alignment belts are in contact with the pipe fittings, and the sliding blocks and the clamping frames are connected through springs, when the pipe fittings are transported on the top of the conveying belt and have not been polished, the pipe fittings are in contact with the alignment belts through their own diameters, so that the alignment belts are extruded to drive the connecting columns to extrude the springs between the sliding blocks and the clamping frames, the alignment belts clamp and align the pipe fittings through the elastic force of the springs, the pipe fittings are prevented from deviating in the device to affect the polishing effect, when the polishing frame moves back and forth through the reciprocating screw rod, the spiral rotating rod is driven to rotate through the spiral groove on the outer circumferential surface of the spiral rotating rod, the spiral rotating rod rotates to drive the rotating belt to move through the limiting rod, the rotating belt is in contact with the pipe fittings during the movement, so that the pipe fittings are driven to rotate, the polishing effect of the pipe fittings can be further improved during the subsequent polishing process after the pipe fittings are rotated, the situation that one side of the pipe fittings is polished while the other side is not polished is avoided, and additional secondary polishing is avoided.

[0007] Preferably, the anti-dust mechanism comprises a splash guard, a handle, a cross handle, a rotating brush, a U-shaped groove and a water tank, the splash guard is rotationally connected to the top of the frame body, the handle is fixedly connected to the outer wall of the splash guard, the U-shaped groove is fixedly connected to the inner wall of the splash guard, the rotating brush is slidingly connected to the inner wall of the U-shaped groove, the cross handle is fixedly connected to one end of the rotating brush, and the water tank is fixedly connected to the outer wall of the device plate, the anti-dust mechanism further comprises a driving block, a sliding plate, a sliding port plate, a flow port, a vertical limiting block and a water outlet, the driving block is fixedly connected to the outer circumferential surface of the spiral rotating rod, the sliding plate is slidingly connected to the inner wall of the water tank, the sliding port plate is fixedly connected to the top of the sliding plate, the flow port is formed in the circumferential surface of the sliding port plate, the vertical limiting block is fixedly connected to the top of the sliding port plate, and the water outlet is formed in the bottom of the water tank, the water outlet is located on the movement track of the flow port, the sliding plate is located on the movement track of the driving block, the vertical limiting block is connected to the inner wall of the water tank through a spring, the rotating brush is in contact with the inner wall of the splash guard, the spiral rotating rod rotates to drive the driving block to rotate, the driving block extrudes the sliding plate during rotation to make the sliding plate move, the sliding plate drives the sliding port plate to slide in the water tank, the sliding port plate drives the flow port to move, when the flow port moves to the top of the water outlet, the water in the water tank flows out through the flow port and the water outlet, and flows to the circumferential surface of the pipeline, so that the dust generated during subsequent polishing can be reduced after the surface of the pipeline is wetted, thereby reducing the inhalation of dust by workers, improving the workshop environmental hygiene, and mixing water and dust generated during polishing by centrifugal force to fall to the inner wall of the splash guard, when the device stops working, the handle is lifted to drive the splash guard to rotate, then the cross handle is pulled to drive the rotating brush to move under the limitation of the U-shaped groove, thereby cleaning the water-dust mixture adhered to the inside of the splash guard.

[0008] The technical scheme of the present application can bring the following beneficial effects: 1. The outer surface polishing device for cable protection pipe production, when the pipe size is different, the pipe diameter extrudes the polishing wheel under the cooperation of the polishing wheel, the vertical moving frame and the polishing frame, the polishing wheel is extruded, and the spring between the extrusion device block and the vertical moving frame and the spring between the fixed rod and the polishing frame are used to polish pipes of different diameters, thereby improving the adaptability of the device, avoiding the labor and time cost of adjusting the device, and improving the production efficiency of the device.

[0009] 2. The outer surface polishing device for cable protection pipe production, under the cooperation of the rotating belt and the pipe, the rotating belt contacts the pipe during movement, thereby driving the pipe to rotate, which can further improve the polishing effect of the pipe during subsequent polishing, thereby avoiding the situation that one side of the pipe is polished while the other side is not polished, thereby avoiding additional secondary polishing.

[0010] 3. The outer surface polishing equipment for cable protection pipe production, when the device stops working, the lifting handle drives the splash-proof cover to rotate under the cooperation of the handle, splash-proof cover, U-shaped groove, then pulls the cross handle to drive the rotating brush to move under the limiting of the U-shaped groove, thereby cleaning the water and cement mixture adhered inside the splash-proof cover. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the whole structure schematic diagram of the application; Figure 2 It is the polishing mechanism structure schematic diagram of the application; Figure 3 It is the whole structure schematic diagram of the application; Figure 2 It is the structure local amplification schematic diagram of A in the application; Figure 4 It is the positioning mechanism structure schematic diagram of the application; Figure 5 It is the spiral rotating rod structure schematic diagram of the application; Figure 6 It is the structure local amplification schematic diagram of B in the application; Figure 5 Figure 7 It is the fireproof mechanism structure schematic diagram of the application; Figure 8 It is the water tank structure schematic diagram of the application; Figure 9 It is the structure local amplification schematic diagram of C in the application. Figure 8

[0012] In the figure: 1, frame body; 2, power shaft; 3, conveying belt; 4, polishing mechanism; 401, limiting rod; 402, reciprocating wire rod; 403, polishing frame; 404, sandpaper sheet; 405, hollow groove; 406, vertical moving frame; 407, fixed rod; 408, polishing wheel; 409, device block; 410, fixed plate; 5, positioning mechanism; 501, clamping frame; 502, device plate; 503, sliding block; 504, connecting column; 505, rotating column; 506, righting belt; 507, spiral rotating rod; 508, limiting circle; 509, device frame; 510, rotating belt; 511, limiting rod; 6, dustproof mechanism; 601, splash-proof cover; 602, handle; 603, cross handle; 604, rotating brush; 605, U-shaped groove; 606, water tank; 607, driving block; 608, sliding plate; 609, sliding lip plate; 610, flow lip; 611, vertical limiting block; 612, water outlet. DETAILED DESCRIPTION

[0013] ​​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0014] Please refer to Figures 1-9 An embodiment of the present application is a cable protection pipe production outer surface polishing device, which comprises a frame body 1, a power shaft 2 rotatably connected to the inner wall of the frame body 1, a conveying belt 3 arranged on the circumference of the power shaft 2, a polishing mechanism 4 arranged on the top of the frame body 1, a positioning mechanism 5 arranged on the top of the frame body 1, and a dustproof mechanism 6 arranged on the top of the frame body 1. The polishing mechanism 4 comprises a limiting rod 401, a reciprocating screw rod 402, a polishing frame 403, a sandpaper sheet 404, a hollow groove 405, and a fixed plate 410. The fixed plate 410 is fixedly connected to the inner wall of the frame body 1, the limiting rod 401 is rotatably connected to the outer wall of the fixed plate 410, the reciprocating screw rod 402 is rotatably connected to the outer wall of the fixed plate 410, the polishing frame 403 is movably connected to the circumference of the reciprocating screw rod 402, the sandpaper sheet 404 is fixedly connected to the inner wall of the polishing frame 403, the hollow groove 405 is arranged in the polishing frame 403, and the polishing mechanism 4 further comprises a vertical moving frame 406, a fixed rod 407, a polishing wheel 408, and a device block 409. The vertical moving frame 406 is slidably connected to the inner wall of the hollow groove 405, the fixed rod 407 is slidably connected to the bottom of the vertical moving frame 406, the polishing wheel 408 is fixedly connected to the bottom of the fixed rod 407, and the device block 409 is fixedly connected to the inner wall of the hollow groove 405. The fixed rod 407 and the inner wall of the polishing frame 403 are connected by a spring, the vertical moving frame 406 and the device block 409 are connected by a spring, the sandpaper sheet 404 is in contact with the surface of the conveying belt 3, the reciprocating screw rod 402 and the power shaft 2 are in meshing transmission by bevel gears, the limiting rod 401 and the power shaft 2 are in meshing transmission by bevel gears, and one end of the power shaft 2 is provided with a motor. The cable protection pipe production outer surface polishing device can extrude the polishing wheel 408 by the diameter of the pipe when the sizes of the pipes are different, the polishing wheel 408 is extruded, and the extruded polishing wheel 408 is extruded by the spring between the device block 409 and the vertical moving frame 406 and the spring between the fixed rod 407 and the polishing frame 403, so that the pipes with different diameters are polished, the adaptability of the device is improved, the labor and time cost of adjusting the device are avoided, and the production efficiency of the device is improved. The positioning mechanism 5 comprises a clamping frame 501, a device plate 502, a sliding block 503, a connecting column 504, a rotating column 505, and a righting belt 506. The clamping frame 501 is fixedly connected to the top of the frame body 1. The device plate 502 is fixedly connected between the two clamping frames 501. The sliding block 503 is slidingly connected to the inner wall of the device plate 502. The connecting column 504 is fixedly connected to the bottom of the sliding block 503. The rotating column 505 is rotatably connected to the bottom of the connecting column 504. The righting belt 506 is rotatably connected to the outer circumferential surface of the rotating column 505. The positioning mechanism 5 further comprises a spiral rotating rod 507, a limiting circle 508, a device frame 509, a rotating belt 510, and a limiting rod 511. The device frame 509 is fixedly connected to the inner wall of the frame body 1. The spiral rotating rod 507 is rotatably connected to the outer wall of the device frame 509. The limiting circle 508 is fixedly connected to one end of the spiral rotating rod 507. The rotating belt 510 is rotatably connected to the outer circumferential surface of the spiral rotating rod 507. The limiting rod 511 is rotatably connected to the outer wall of the device frame 509. The rotating belt 510 has a certain elasticity. The spiral rotating rod 507 is movably connected to the inner wall of the polishing frame 403. The rotating belt 510 is rotatably connected to the outer circumferential surface of the limiting rod 511. The righting belt 506 is in contact with the pipe fitting. The sliding block 503 and the clamping frame 501 are connected by a spring. The cable protection pipe production outer surface polishing equipment is used. Under the cooperation of the rotating belt 510 and the pipe fitting, the rotating belt 510 is in contact with the pipe fitting during movement, thereby driving the pipe fitting to rotate. After the pipe fitting rotates, the polishing effect of the pipe fitting can be further improved in the subsequent polishing process, avoiding the situation that one side of the pipe fitting is polished while the other side is not polished, thereby avoiding additional secondary polishing.

[0015] Working principle: when the device starts to work, the motor is started to drive the power shaft 2 to rotate. When the power shaft 2 rotates, the conveying belt 3 rotates to realize the transportation of the pipe fitting to be polished. When the pipe fitting is transported to the bottom of the polishing frame 403 by the conveying belt 3, it will be in contact with the polishing wheel 408 to realize the polishing of the pipe fitting. When the size of the pipe fitting is different, the diameter of the pipe fitting will extrude the polishing wheel 408. After the polishing wheel 408 is extruded, the spring between the extrusion device block 409 and the vertical moving frame 406 and the spring between the fixed rod 407 and the polishing frame 403 are used to realize the polishing of pipe fittings with different diameters, thereby improving the adaptability of the device, avoiding the labor and time cost of adjusting the device, and improving the production efficiency of the device. The power shaft 2 rotates to drive the reciprocating screw rod 402 to rotate through the engagement of the bevel gear set. The reciprocating screw rod 402 rotates to drive the polishing frame 403 to move back and forth under the limitation of the limiting rod 401 through the cross spiral groove of the circumferential surface. The movement of the polishing frame 403 drives the polishing wheel 408 to move, thereby prolonging the contact time of the polishing wheel 408 and the pipe fitting, increasing the friction between the polishing wheel 408 and the pipe fitting, and improving the polishing effect of the device.

[0016] When the pipe is transported on the top of the conveying belt 3 and before polishing, the pipe is in contact with the alignment belt 506 through the diameter of the pipe, so as to extrude the alignment belt 506 to drive the connecting column 504 to extrude the spring between the sliding block 503 and the clamping frame 501, so that the alignment belt 506 clamps and aligns the pipe through the elastic force of the spring, and prevents the pipe from deviating in the device to affect the polishing effect. When the polishing frame 403 moves back and forth through the reciprocating screw rod 402, the helical groove on the outer circumference of the helical rotating rod 507 drives the helical rotating rod 507 to rotate, the helical rotating rod 507 rotates to drive the rotating belt 510 to move, and the rotating belt 510 contacts the pipe during the movement, so as to drive the pipe to rotate. After the pipe rotates, the polishing effect of the pipe can be further improved in the subsequent polishing process, and the situation that one side of the pipe is polished while the other side is not polished is avoided, so that additional secondary polishing is avoided.

[0017] Please refer to Figures 1-9 On the basis of the above embodiment, in another embodiment of the present application, the dust prevention mechanism 6 comprises a splash-proof cover 601, a handle 602, a cross handle 603, a rotating brush 604, a U-shaped groove 605, a water tank 606, the splash-proof cover 601 is rotationally connected to the top of the frame body 1, the handle 602 is fixedly connected to the outer wall of the splash-proof cover 601, the U-shaped groove 605 is fixedly connected to the inner wall of the splash-proof cover 601, the rotating brush 604 is slidingly connected to the inner wall of the U-shaped groove 605, the cross handle 603 is fixedly connected to one end of the rotating brush 604, and the water tank 606 is fixedly connected to the outer wall of the device plate 502. The dust prevention mechanism 6 further comprises a driving block 607, a sliding plate 608, a sliding port plate 609, a flow port 610, a vertical limiting block 611, and a water outlet 612. The driving block 607 is fixedly connected to the outer circumference of the helical rotating rod 507, the sliding plate 608 is slidingly connected to the inner wall of the water tank 606, the sliding port plate 609 is fixedly connected to the top of the sliding plate 608, the flow port 610 is opened in the circumference of the sliding port plate 609, the vertical limiting block 611 is fixedly connected to the top of the sliding port plate 609, and the water outlet 612 is opened in the bottom of the water tank 606. The water outlet 612 is located on the movement track of the flow port 610, the sliding plate 608 is located on the movement track of the driving block 607, and the vertical limiting block 611 is connected to the inner wall of the water tank 606 through a spring. The rotating brush 604 is in contact with the inner wall of the splash-proof cover 601. Under the cooperation of the handle 602, the splash-proof cover 601, and the U-shaped groove 605, when the device stops working, the handle 602 is lifted to drive the splash-proof cover 601 to rotate, and then the cross handle 603 is pulled to drive the rotating brush 604 to move under the limitation of the U-shaped groove 605, so as to clean the water and dust mixture adhered in the splash-proof cover 601.

[0018] Working principle: the helical rotating rod 507 rotates to drive the driving block 607 to rotate, the driving block 607 extrudes the sliding plate 608 to make the sliding plate 608 move in the rotating process, the sliding plate 608 moves to drive the sliding plate 609 to slide in the inside of the water tank 606, the sliding plate 609 moves to drive the flow port 610 to move, when the flow port 610 moves to the top of the water outlet 612, the water in the inside of the water tank 606 can pass through the flow port 610 and the water outlet 612, flow into the circumferential surface of the pipe, the pipe surface has water after the dust generated during subsequent polishing can be reduced, thereby reducing the inhalation of dust by workers, improving the workshop environmental health, the water and the dust polished down during polishing can be mixed, and the mixture is thrown to the inner wall of the splash guard 601 through centrifugal force, when the device stops working, the lifting handle 602 drives the splash guard 601 to rotate, then the horizontal handle 603 drives the rotating brush 604 to move under the limiting of the U-shaped groove 605, thereby cleaning the water-dust mixture adhered to the inside of the splash guard 601.

[0019] The application provides a cable protection pipe production outer surface polishing device, and there are many methods and approaches to specifically realize the technical scheme, and the above is only the preferred embodiment of the application, and it should be noted that, for ordinary technical personnel in the technical field, some improvements and refinements can be made without departing from the principle of the application, and the improvements and refinements should also be regarded as the protection range of the application. The components not explicitly described in the embodiment can be realized by the prior art.

Claims

1. A surface grinding device for cable protection pipe production, comprising a frame (1), characterized in that: The inner wall of the frame (1) is rotatably connected to a power shaft (2), and a conveyor belt (3) is provided on the circumferential surface of the power shaft (2). A grinding mechanism (4) is provided on the top of the frame (1), a positioning mechanism (5) is provided on the top of the frame (1), and a dust prevention mechanism (6) is provided on the top of the frame (1). The grinding mechanism (4) includes a limiting rod (401), a reciprocating screw (402), a grinding frame (403), a sandpaper (404), a hollow groove (405), and a fixing plate (410). The fixing plate (410) is fixedly connected to the inner wall of the frame (1). The limiting rod (401) is rotatably connected to the outer wall of the fixing plate (410). The reciprocating screw (402) is rotatably connected to the outer wall of the fixing plate (410). The grinding frame (403) is movably connected to the circumferential surface of the reciprocating screw (402). The sandpaper (404) is fixedly connected to the inner wall of the grinding frame (403). The hollow groove (405) is opened inside the grinding frame (403).

2. The outer surface grinding equipment for cable protection pipe production according to claim 1, characterized in that: The grinding mechanism (4) also includes a vertical moving frame (406), a fixed rod (407), a grinding wheel (408), and a device block (409). The vertical moving frame (406) is slidably connected to the inner wall of the hollow groove (405), the fixed rod (407) is slidably connected to the bottom of the vertical moving frame (406), the grinding wheel (408) is fixedly connected to the bottom of the fixed rod (407), and the device block (409) is fixedly connected to the inner wall of the hollow groove (405).

3. The outer surface grinding equipment for cable protection pipe production according to claim 2, characterized in that: The fixed rod (407) is connected to the inner wall of the grinding frame (403) by a spring, the vertical moving frame (406) is connected to the device block (409) by a spring, the sandpaper (404) is in contact with the surface of the conveyor belt (3), the reciprocating screw (402) is driven by bevel gear meshing with the power shaft (2), the limiting rod (401) is driven by bevel gear meshing with the power shaft (2), and a motor is provided at one end of the power shaft (2).

4. The outer surface grinding equipment for cable protection pipe production according to claim 3, characterized in that: The positioning mechanism (5) includes a card holder (501), a device plate (502), a slider (503), a connecting column (504), a rotating column (505), and a straightening belt (506). The card holder (501) is fixedly connected to the top of the frame (1). The device plate (502) is fixedly connected between the two card holders (501). The slider (503) is slidably connected to the inner wall of the device plate (502). The connecting column (504) is fixedly connected to the bottom of the slider (503). The rotating column (505) is rotatably connected to the bottom of the connecting column (504). The straightening belt (506) is rotatably connected to the outer circumference of the rotating column (505).

5. The outer surface grinding equipment for cable protection pipe production according to claim 4, characterized in that: The positioning mechanism (5) further includes a spiral rotating rod (507), a limiting circle (508), a device frame (509), a rotating belt (510), and a limiting rod (511). The device frame (509) is fixedly connected to the inner wall of the frame (1). The spiral rotating rod (507) is rotatably connected to the outer wall of the device frame (509). The limiting circle (508) is fixedly connected to one end of the spiral rotating rod (507). The rotating belt (510) is rotatably connected to the outer circumference of the spiral rotating rod (507). The limiting rod (511) is rotatably connected to the outer wall of the device frame (509).

6. The outer surface grinding equipment for cable protection pipe production according to claim 5, characterized in that: The rotating belt (510) has a certain elasticity. The spiral rotating rod (507) is movably connected to the inner wall of the grinding frame (403). The rotating belt (510) is rotatably connected to the outer circumferential surface of the limiting rod (511). The straightening belt (506) is in contact with the tube. The slider (503) and the card holder (501) are connected by a spring.

7. The outer surface grinding equipment for cable protection pipe production according to claim 6, characterized in that: The dust prevention mechanism (6) includes a splash guard (601), a handle (602), a horizontal handle (603), a rotating brush (604), a U-shaped groove (605), and a water tank (606). The splash guard (601) is rotatably connected to the top of the frame (1). The handle (602) is fixedly connected to the outer wall of the splash guard (601). The U-shaped groove (605) is fixedly connected to the inner wall of the splash guard (601). The rotating brush (604) is slidably connected to the inner wall of the U-shaped groove (605). The horizontal handle (603) is fixedly connected to one end of the rotating brush (604). The water tank (606) is fixedly connected to the outer wall of the device plate (502).

8. The outer surface grinding equipment for cable protection pipe production according to claim 7, characterized in that: The dust prevention mechanism (6) also includes a drive block (607), a sliding plate (608), a sliding mouth plate (609), a flow port (610), a vertical limiting block (611), and a water outlet (612). The drive block (607) is fixedly connected to the outer circumferential surface of the spiral rotating rod (507). The sliding plate (608) is slidably connected to the inner wall of the water tank (606). The sliding mouth plate (609) is fixedly connected to the top of the sliding plate (608). The flow port (610) is opened on the circumferential surface of the sliding mouth plate (609). The vertical limiting block (611) is fixedly connected to the top of the sliding mouth plate (609). The water outlet (612) is opened at the bottom of the water tank (606).

9. The outer surface grinding equipment for cable protection pipe production according to claim 8, characterized in that: The outlet (612) is located on the movement trajectory of the inlet (610), the sliding plate (608) is located on the movement trajectory of the drive block (607), the vertical limiting block (611) is connected to the inner wall of the water tank (606) by a spring, and the rotating brush (604) is in contact with the inner wall of the splash guard (601).

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