PE pipe polishing equipment

Abstract

The utility model discloses PE pipe polishing equipment which comprises a feeding assembly, and outer polishing assemblies are arranged at one end of the feeding assembly side by side. Inner polishing assemblies are arranged at the ends, away from the feeding assembly, of the outer polishing assemblies side by side. The outer polishing assembly and the inner polishing assembly are arranged at the same time, synchronous polishing treatment on the inner surface and the outer surface of the PE pipe is achieved, the polishing period is remarkably shortened, and the production efficiency is improved; two polishing rollers in the outer polishing assembly are driven in a chain transmission mode, and the rotating speed and the rotating direction can be flexibly adjusted so as to meet the polishing requirements of PE pipes of different materials and wall thicknesses. Meanwhile, the inner polishing assembly can accurately adjust the position and height of a polishing wheel through cooperation of a linear sliding table and a worm gear lead screw lifting machine, the polishing machine is suitable for polishing PE pipes of various pipe diameters, the frequency of replacing a polishing head is reduced, the cost is greatly reduced, and therefore an efficient, economical and reliable solution is provided for polishing treatment of the PE pipes.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe material processing technical field, especially a kind of PE pipe polishing equipment. BACKGROUND

[0002] In the booming municipal pipe market in China, plastic pipes occupy a prominent position with their unique advantages, among which PE pipes (polyethylene pipes) are particularly eye-catching due to their outstanding performance and wide range of applications. PE pipes are not only widely used in water supply and gas two key fields, but also play an irreplaceable role in many other industries. However, in specific application scenarios, the surface treatment of PE pipes, especially polishing, is a key link to improve their performance.

[0003] The polishing devices on the current market generally face two major challenges when processing PE pipes: low polishing efficiency and poor polishing effect. Specifically, existing polishing equipment can usually only polish the inner or outer surface of the pipe, and cannot achieve simultaneous processing of the inner and outer surfaces, which undoubtedly greatly prolongs the polishing cycle and increases production costs. In addition, when polishing PE pipes of different diameters, traditional equipment often needs to be equipped with multiple polishing heads of different sizes and frequently replaced, which not only increases the complexity and cost of the equipment, but also seriously affects work efficiency. SUMMARY

[0004] The utility model aims at providing a kind of PE pipe polishing equipment to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of PE pipe polishing equipment, including feeding assembly, wherein feeding assembly one end is provided with outer polishing assembly side by side;The outer polishing assembly is provided with inner polishing assembly side by side away from feeding assembly one end;The feeding assembly includes fixed seat, wherein fixed seat upper portion is provided with object table;The object table upper end is provided with containing cavity, wherein the section of containing cavity is "V" letter shape structure, and containing cavity is equipped with PE pipe material;The object table is provided with discharge port communicated with containing cavity below one end close to outer polishing assembly, wherein object table is provided with feeding cylinder away from discharge port one end;The feeding cylinder is arranged on the outside of object table and is fixedly connected with it, wherein the piston rod top end of feeding cylinder penetrates the side of object table and extends into containing cavity;

[0006] The external polishing assembly includes a base, with two fixed supports symmetrically mounted at both ends. The lower end of each fixed support is fixedly connected to the base, and the upper end of each fixed support is provided with a first polishing roller and a second polishing roller, arranged side by side. The first polishing roller has a first roller shaft at each end, which is rotatably connected to the upper end of the fixed support via a first bearing. The second polishing roller has a second roller shaft at each end, which is rotatably connected to the upper end of the fixed support via a second bearing. A first drive motor is located at one end of the base, with a first drive sprocket at its output end. A first driven sprocket is fixedly mounted on the first roller shaft at one end of the first polishing roller, and is driven by the first drive sprocket via a first chain. A second drive motor is located at the end of the base away from the first drive motor, with a second drive sprocket at its output end. A second driven sprocket is fixedly mounted on the second roller shaft at one end of the second polishing roller, and is driven by the second drive sprocket via a second chain.

[0007] The internal polishing assembly includes a support base, with a linear slide table above the support base; a mounting plate is provided on the sliding seat of the linear slide table, with a worm gear screw jack above the mounting plate; a lifting plate is fixedly connected to the top of the lifting screw of the worm gear screw jack via a flange, and a grinding motor is installed above the lifting plate; the grinding motor is horizontally positioned, and a rotating shaft is fixedly installed on the output shaft of the grinding motor via a coupling; the top of the rotating shaft extends towards the side of the external polishing assembly, and the rotating shaft is at the same horizontal height as the PE pipe; a grinding wheel is fixedly installed on the top of the rotating shaft, and the diameter of the grinding wheel is smaller than the inner diameter of the PE pipe.

[0008] Preferably, a pusher plate is fixedly installed at the top of the piston rod of the feeding cylinder, wherein the pusher plate has a frustum-shaped structure and the diameter of the pusher plate is larger than the inner diameter of the PE pipe.

[0009] Preferably, an arc-shaped guide groove is provided at the bottom of the accommodating cavity, wherein the arc-shaped guide groove is connected to the discharge port.

[0010] Preferably, three sets of feeding racks are evenly distributed along the inclined direction on the inclined inner wall of one side of the accommodating cavity.

[0011] Preferably, a support beam is provided between the two fixed supports, wherein the support beam is located on the side of the fixed supports and fixedly connected thereto; two sets of limiting components are provided at both ends of the support beam, wherein the limiting components are located above the PE pipe.

[0012] Preferably, the limiting assembly comprises a support arm, wherein the support arm is an "L" shaped structure; the vertical end bottom of the support arm is fixedly connected with the support cross beam, wherein the horizontal end top of the support arm extends above the PE pipe; a double-shaft air cylinder is mounted on the horizontal end top of the support arm, wherein the cylinder body of the double-shaft air cylinder is fixedly connected with the support arm; the top end of the piston rod of the double-shaft air cylinder is downwardly provided and mounted with a connecting plate, wherein the lower end of the connecting plate is provided with an arc-shaped clamp; elastic rollers are symmetrically arranged on the two sides of the arc-shaped clamp, wherein the elastic rollers are in abutment with the outer surface of the PE pipe.

[0013] Preferably, the distance between the first polishing roller and the second polishing roller is less than the diameter of the PE pipe, wherein the outer surface of the PE pipe is in abutment with the outer wall of the first polishing roller and the second polishing roller respectively.

[0014] Preferably, limiting guide holes are formed at the four corner positions of the lifting plate, wherein limiting guide shafts corresponding to the limiting guide holes are arranged on the upper end of the mounting plate and arranged in the limiting guide holes.

[0015] Preferably, two groups of groove rollers are symmetrically arranged on the lower end of the mounting plate, wherein two groups of triangular guide rails corresponding to the groove rollers are symmetrically arranged on the upper end of the support base.

[0016] Compared with the prior art, the PE pipe polishing equipment has the following beneficial effects: the outer polishing assembly and the inner polishing assembly are simultaneously arranged, synchronous polishing treatment of the inner and outer surfaces of the PE pipe is realized, the polishing cycle is significantly shortened, and the production efficiency is improved; the two polishing rollers in the outer polishing assembly are driven by a chain transmission mode, the rotating speed and the rotating direction can be flexibly adjusted to adapt to the polishing requirements of PE pipes with different materials and wall thicknesses; meanwhile, the inner polishing assembly is matched with a linear sliding table and a worm screw lifting machine, the position and the height of the polishing wheel can be accurately adjusted, the PE pipe polishing is applicable to PE pipes with various diameters, the frequency of replacing the polishing head is reduced, and the cost is reduced; the feeding cylinder cooperates with the push plate in the circular table structure, the PE pipe can be stably fed into the polishing area, and the stability and the continuity of the polishing process are ensured; in addition, the double-shaft air cylinder and the arc-shaped clamp in the limiting assembly are designed, the PE pipe can be firmly clamped to prevent shaking or displacement in the polishing process, and the uniformity and the consistency of the polishing effect are ensured; the PE pipe polishing equipment not only solves the problems of low polishing efficiency, high cost and unstable polishing effect in the prior art, but also improves the adaptability and the operation simplicity of the equipment, and provides an efficient, economical and reliable solution for the polishing treatment of PE pipes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the utility model;

[0018] Figure 2Is the structure schematic view of the feeding assembly of the utility model;

[0019] Figure 3 Is the structure schematic view of the outer polishing assembly of the utility model;

[0020] Figure 4 Is the structure schematic view of the limiting assembly of the utility model;

[0021] Figure 5 Is the structure schematic view of the inner polishing assembly of the utility model;

[0022] Figure 6 Is the structure schematic view of the mounting plate of the utility model;

[0023] Figure 7 Is the structure schematic view of the linear slide of the utility model.

[0024] 1, feeding assembly; 101, fixed seat; 102, storage table; 103, containing cavity; 104, discharge port; 105, feeding cylinder; 2, outer polishing assembly; 201, base; 202, fixed support; 203, first polishing roller; 204, second polishing roller; 205, first roller shaft; 206, first bearing; 207, second roller shaft; 208, second bearing; 209, first drive motor; 210, first driving sprocket; 211, first driven sprocket; 212, first chain; 213, second drive motor; 214, second driven sprocket; 215, second chain; 3, inner polishing assembly; 301, support seat; 302, linear slide; 303, sliding seat; 304, mounting plate; 305, worm screw elevator; 306, jacking screw; 307, lifting plate; 308, polishing motor; 309, rotating shaft; 310, polishing wheel; 4, PE pipe; 5, pushing plate; 6, arc-shaped material guide groove; 7, feeding rack; 8, support cross beam; 9, limiting assembly; 901, support arm; 902, double-shaft air cylinder; 903, connecting plate; 904, arc-shaped chuck; 905, elastic roller; 10, limiting guide hole; 11, limiting guide shaft; 12, groove roller; 13, triangular guide rail. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in connection with the drawings.

[0026] Please refer to Figures 1 to 7 In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0027] The utility model provides a kind of PE pipe polishing equipment, including feeding assembly 1, wherein feeding assembly 1 one end is provided with outer polishing assembly 2 side by side;Outer polishing assembly 2 is provided with inner polishing assembly 3 side by side away from the one end of feeding assembly 1;Feeding assembly 1 includes fixed seat 101, wherein fixed seat 101 is provided with the article table 102 above;Article table 102 upper end is provided with the accommodation cavity 103, wherein the section of accommodation cavity 103 is in the shape of 'V', and PE pipe 4 is arranged in accommodation cavity 103;Article table 102 is provided with discharge port 104 below the one end close to outer polishing assembly 2 with accommodation cavity 103 being communicated, wherein article table 102 is provided with feeding cylinder 105 away from the one end of discharge port 104;Feeding cylinder 105 is arranged outside article table 102 and is fixedly connected with it, wherein the piston rod top end of feeding cylinder 105 penetrates the side of article table 102 and extends into accommodation cavity 103, and the piston rod top end is in abutment with the end of PE pipe 4.

[0028] Fixed seat 101 is stably fixed on the basis of equipment as the support basis of entire feeding assembly 1;Article table 102 is installed above fixed seat 101, for carrying PE pipe 4 to be polished;The section of accommodation cavity 103 is in the shape of 'V', which facilitates the stable placement of PE pipe 4 in accommodation cavity 103, and facilitates feeding cylinder 105 to push it forward;Discharge port 104 is provided below the one end of article table 102 close to outer polishing assembly 2 with accommodation cavity 103 being communicated, as the passageway of PE pipe 4 into polishing area;Feeding cylinder 105 is installed at the one end of article table 102 away from discharge port 104 and is fixedly connected with the outer wall of article table 102;The piston rod top end of feeding cylinder 105 penetrates the side of article table 102 and extends into accommodation cavity 103, and is in abutment with the end of PE pipe 4, by the extension and retraction movement of piston rod, PE pipe 4 is moved along accommodation cavity 103 to the direction of discharge port 104.

[0029] The outer polishing assembly 2 comprises a base 201, wherein two fixed supports 202 are symmetrically installed at both ends of the base 201; the lower end of the fixed support 202 is fixedly connected with the base 201, wherein the upper end of the fixed support 202 is provided with a first polishing roller 203 and a second polishing roller 204, and the first polishing roller 203 and the second polishing roller 204 are arranged side by side; the first polishing roller 203 is provided with a first roller shaft 205 at both ends, wherein the first roller shaft 205 is rotatably connected with the upper end of the fixed support 202 through a first bearing 206; the second polishing roller 204 is provided with a second roller shaft 207 at both ends, wherein the second roller shaft 207 is rotatably connected with the upper end of the fixed support 202 through a second bearing 208; one end of the base 201 is provided with a first driving motor 209, wherein the output end of the first driving motor 209 is provided with a first driving sprocket 210; the first roller shaft 205 at one end of the first polishing roller 203 is fixedly installed with a first driven sprocket 211, wherein the first driven sprocket 211 is drivingly connected with the first driving sprocket 210 through a first chain 212; the end of the base 201 away from the first driving motor 209 is provided with a second driving motor 213, wherein the output end of the second driving motor 213 is provided with a second driving sprocket (not shown in the figure); the second roller shaft 207 at the end of the second polishing roller 204 close to the second driving motor is fixedly installed with a second driven sprocket 214, wherein the second driven sprocket 214 is drivingly connected with the second driving sprocket through a second chain 215.

[0030] The base 201 serves as the supporting foundation of the outer polishing assembly 2, ensuring the stability and durability of the entire outer polishing assembly 2; the two fixed supports 202 are symmetrically installed at both ends of the base 201, providing stable support for the first polishing roller 203 and the second polishing roller 204; the lower end of the fixed support 202 is fixedly connected with the base 201 through bolts or other fastening methods, ensuring that it will not loosen or displace during work; the first polishing roller 203 is rotatably connected with the fixed support 202 through the first roller shaft 205 and the first bearing 206; the second polishing roller 204 is rotatably connected with the fixed support 202 through the second roller shaft 207 and the second bearing 208, which allows the first polishing roller 203 and the second polishing roller 204 to freely rotate when driven by the driving force;

[0031] The first driving motor 209 is installed at one end of the base 201, and the output end is provided with the first driving sprocket 210; the first roller shaft 205 at one end of the first polishing roller 203 is fixedly installed with the first driven sprocket 211, which is drivingly connected with the first driving sprocket 210 through the first chain 212; when the first driving motor 209 works, it drives the first chain 212 through the first driving sprocket 210, thereby driving the first driven sprocket 211 and the first polishing roller 203 to rotate;

[0032] The second driving motor 213 is installed at the end of the base 201 far away from the first driving motor 209, and the output end is provided with a second driving sprocket; the second roller shaft 207 at one end of the second polishing roller 204 is fixedly provided with a second driven sprocket 214, and the second driven sprocket 214 is in transmission connection with the second driving sprocket through a second chain 215; similarly, when the second driving motor 213 works, it drives the second chain 215 through the second driving sprocket, and then drives the second driven sprocket 214 and the second polishing roller 204 to rotate.

[0033] The inner polishing assembly 3 comprises a support seat 301, wherein a linear sliding table 302 is arranged above the support seat 301; a sliding seat 303 of the linear sliding table 302 is provided with a mounting plate 304, wherein a worm screw lifter 305 is arranged above the mounting plate 304; a jacking screw 306 at the top of the worm screw lifter 305 is fixedly connected with a lifting plate 307 through a flange, wherein a polishing motor 308 is installed above the lifting plate 307; the polishing motor 308 is horizontally arranged, wherein an output shaft of the polishing motor 308 is fixedly connected with a rotating shaft 309 through a shaft coupling; the rotating shaft 309 extends towards the outer polishing assembly 2 side at the top end, wherein the rotating shaft 309 and the PE pipe 4 are at the same horizontal height; a polishing wheel 310 is fixedly installed at the top end of the rotating shaft 309, wherein the diameter of the polishing wheel 310 is smaller than the inner diameter of the PE pipe 4.

[0034] The support base 301 ensures the stability and durability of the entire inner polishing assembly 3; the linear sliding table 302 is installed above the support base 301 and is used to provide horizontal sliding function; the sliding seat 303 is arranged on the linear sliding table 302 and can freely slide along the linear sliding table 302; the mounting plate 304 is fixed on the sliding seat 303 of the linear sliding table 302 and is used to mount the worm screw lifter 305; the worm screw lifter 305 is lifted through the lifting movement of the jacking screw 306, the top end of the jacking screw 306 is fixedly connected with the lifting plate 307 through a flange, and the stability and accuracy of the lifting movement are ensured; the lifting plate 307 serves as a bearing platform for the polishing motor 308 and its accessories and is lifted along with the lifting of the jacking screw 306 of the worm screw lifter 305; wherein the polishing motor 308 is horizontally installed above the lifting plate 307 and is used to provide power for the rotation of the polishing wheel 310; the output shaft of the polishing motor 308 is fixedly connected with the rotating shaft 309 through a connecting shaft, so that the rotating direction of the polishing wheel 310 is consistent with the rotating direction of the polishing motor 308; the rotating shaft 309 serves as a support structure for the polishing wheel 310 and ensures that the polishing wheel 310 can be stably suspended in the PE pipe 4; wherein the top end of the rotating shaft 309 extends towards the side of the outer polishing assembly 2 and is located at the same horizontal height as the PE pipe 4, so as to facilitate the polishing treatment of the inner surface of the PE pipe 4; the polishing wheel 310 is fixedly installed at the top end of the rotating shaft 309 and is a main tool for polishing the inner surface of the PE pipe 4; wherein the diameter of the polishing wheel 310 is smaller than the inner diameter of the PE pipe 4, so that the polishing wheel 310 can smoothly enter the PE pipe 4 for polishing treatment.

[0035] The position of the mounting plate 304 and the worm screw lifter 305, the lifting plate 307, the polishing motor 308 and the like in the horizontal direction is adjusted through the sliding seat 303 of the linear sliding table 302, so that the polishing wheel 310 can accurately align with the inlet of the PE pipe 4; the position of the lifting plate 307 and the polishing motor 308, the rotating shaft 309 and the polishing wheel 310 and the like in the vertical direction is adjusted through the jacking screw 306 of the worm screw lifter 305, so that the polishing wheel 310 can smoothly enter the PE pipe 4; the polishing motor 308 is started to make the output shaft start to rotate, and the rotation of the polishing motor 308 is transmitted to the rotating shaft 309 through the connecting shaft, so as to drive the polishing wheel 310 to rotate; when the PE pipe 4 is sent into the polishing area, the polishing wheel 310 enters the PE pipe 4 and contacts with the inner surface of the PE pipe 4; the rotating polishing wheel 310 polishes the inner surface of the PE pipe 4 to remove burrs, oxidation layer and other defects on the surface of the PE pipe 4, so that the surface of the PE pipe 4 is smoother and brighter.

[0036] Please refer to Figure 2 , as an embodiment of the utility model, the piston rod top of the feeding cylinder 105 is fixedly installed with a pushing plate 5, wherein the pushing plate 5 is a circular truncated cone structure, and the diameter of the pushing plate 5 is greater than the inner diameter of the PE pipe 4.

[0037] In the above scheme, the feeding cylinder 105 is the power source of the entire device, and the extension and retraction movement of the piston rod is driven by gas pressure or hydraulic pressure, which directly drives the pushing plate 5 to work; wherein the piston rod is the key component connecting the feeding cylinder 105 and the pushing plate 5; through the extension and retraction movement, the power of the cylinder is transmitted to the pushing plate 5; the pushing plate 5 is designed as a circular truncated cone structure, which not only ensures the contact area between the pushing plate 5 and the PE pipe 4, but also facilitates the gradual adaptation to the change of the inner diameter of the pipe during pushing; the diameter of the pushing plate 5 is specially designed to be larger than the inner diameter of the PE pipe 4, which makes the pushing plate 5 closely fit on the inner wall of the pipe, thereby providing sufficient pushing force and stability during pushing;

[0038] Initial state: the feeding cylinder 105 is in an inactive state, and the piston rod and the pushing plate 5 are in a retracted position;

[0039] Activate the cylinder: when it is necessary to push the PE pipe 4, the feeding cylinder 105 is activated, and the piston rod starts to extend;

[0040] Pushing process: as the piston rod extends, the pushing plate 5 gradually enters the inside of the PE pipe 4, and since the diameter of the pushing plate 5 is larger than the inner diameter of the pipe, it will closely fit on the inner wall of the pipe, providing stable pushing force;

[0041] Arrive at the designated position: when the piston rod extends to the predetermined length, the pushing plate 5 pushes the PE pipe 4 to the designated position; at this time, the feeding cylinder 105 can remain activated to maintain the stability of the pipe, or the piston rod can be retracted according to the needs for the next operation;

[0042] Repeat the operation: according to the process requirements, the feeding cylinder 105 can repeatedly perform the above operation to realize the continuous pushing or positioning of the PE pipe 4.

[0043] Please refer to Figure 2 , as an embodiment of the utility model, the arc-shaped guide groove 6 is provided at the bottom of the accommodating cavity 103, and the arc-shaped guide groove 6 is in communication with the discharge port 104.

[0044] In the above scheme, the arc-shaped guide groove 6 is provided at the bottom of the accommodating cavity 103 and is in communication with the inside of the accommodating cavity 103, wherein the arc-shaped guide groove 6 helps the feeding cylinder 105 to push the PE pipe 4 to move from the inside of the accommodating cavity 103 to the discharge port 104, ensuring that the PE pipe 4 can smoothly move to the polishing area.

[0045] Please refer to Figure 2 , as an embodiment of the utility model, three groups of feeding racks 7 are uniformly arranged on the inclined inner wall of one side of the accommodating cavity 103 along the inclined direction.

[0046] In the above scheme, one side inner wall of the accommodating cavity 103 is designed as an inclined shape, which helps the PE pipe 4 to move in the inclined direction under the action of gravity. On the inclined inner wall of the accommodating cavity 103, three groups of feeding racks 7 are uniformly arranged in the inclined direction. The feeding rack 7 generally has sharp or serrated edges that can contact and generate friction with the PE pipe 4, thereby assisting the PE pipe 4 to move in the inclined direction.

[0047] Please refer to Figure 3 As an embodiment of the present application, two fixed supports 202 are provided with a support beam 8, wherein the support beam 8 is arranged on the side edge of the fixed support 202 and is fixedly connected therewith. Two groups of limiting assemblies 9 are arranged at the two ends of the support beam 8, wherein the limiting assemblies 9 are located above the PE pipe 4.

[0048] In the above scheme, the support beam 8 is connected between the two fixed supports 202 to provide additional support and stability. The support beam 8 is arranged on the side edge of the fixed support 202 and is fixedly connected therewith to ensure the stability of the entire structure. The limiting assemblies 9 are installed at the two ends of the support beam 8 to limit the movement of the PE pipe 4 in the horizontal direction. The limiting assemblies 9 are located above the PE pipe 4 to prevent excessive movement or deviation of the pipe from the predetermined position by contacting and extruding the pipe.

[0049] Please refer to Figure 4 As an embodiment of the present application, the limiting assembly 9 comprises a support arm 901, wherein the support arm 901 is in an "L" shape structure. The vertical end of the support arm 901 is fixedly connected to the support beam 8, and the horizontal end of the support arm 901 extends above the PE pipe 4. A double-shaft air cylinder 902 is installed on the horizontal end of the support arm 901, wherein the cylinder body of the double-shaft air cylinder 902 is fixedly connected to the support arm 901. The piston rod top end of the double-shaft air cylinder 902 is downwardly arranged and installed with a connecting plate 903, wherein the lower end of the connecting plate 903 is provided with an arc-shaped chuck 904. Elastic rollers 905 are symmetrically arranged on both sides of the arc-shaped chuck 904, wherein the elastic rollers 905 abut against the outer surface of the PE pipe 4.

[0050] In the above scheme, the support arm 901 is designed as an "L" shaped structure, the vertical end bottom is fixedly connected with the support beam 8, and a stable support base is provided; the horizontal end top extends above the PE pipe 4, providing a mounting position for the double-shaft air cylinder 902 and the connecting plate 903; the cylinder body of the double-shaft air cylinder 902 is fixedly connected with the horizontal end top of the support arm 901, serving as a driving component; wherein the double-shaft air cylinder 902 has two piston rods, and the top end of the piston rod is downwardly arranged, for driving the up-down movement of the connecting plate 903 and the arc-shaped chuck 904; the connecting plate 903 is mounted at the top end of the piston rod of the double-shaft air cylinder 902, serving as a support and connecting component of the arc-shaped chuck 904; through the fixed connection with the piston rod, the up-down movement is realized with the extension and retraction of the cylinder; the arc-shaped chuck 904 is mounted at the lower end of the connecting plate 903, and is designed as an arc-shaped structure matched with the outer surface of the PE pipe 4; for clamping and limiting the pipe, ensuring the stability of the pipe in the horizontal direction; the elastic rollers 905 are symmetrically arranged at both sides of the arc-shaped chuck 904, and abut against the outer surface of the PE pipe 4, and the design of the elastic rollers 905 reduces the frictional damage to the pipe in the clamping process, and increases the stability of clamping.

[0051] Please refer to Figure 3 , as an embodiment of the utility model, the interval between the first polishing roller 203 and the second polishing roller 204 is smaller than the diameter of the PE pipe 4, wherein the outer surface of the PE pipe 4 abuts against the outer wall of the first polishing roller 203 and the second polishing roller 204 respectively.

[0052] In the above scheme, the first polishing roller 203 and the second polishing roller 204 are usually made of wear-resistant and high-hardness materials to ensure the polishing effect and durability; the outer wall of the first polishing roller 203 and the second polishing roller 204 is covered with polishing materials such as polishing cloth or polishing sandpaper, which can produce friction with the outer surface of the PE pipe 4, thereby removing the unevenness and dirt on the surface; the interval between the first polishing roller 203 and the second polishing roller 204 is designed to be smaller than the diameter of the PE pipe 4, so that when the PE pipe 4 passes through, the outer surface thereof abuts against the outer wall of the first polishing roller 203 and the second polishing roller 204 closely, forming a polishing effect.

[0053] Please refer to Figure 5 , Figure 6 , as an embodiment of the utility model, the limiting guide holes 10 are arranged at the four corners of the lifting plate 307, the limiting guide shafts 11 corresponding to the limiting guide holes 10 are arranged on the upper end of the mounting plate 304, and the limiting guide shafts 11 are arranged in the limiting guide holes 10.

[0054] The four corners of the lifting plate 307 are provided with limiting guide holes 10, which are matched with limiting guide shafts 11 on the mounting plate 304, so as to ensure the stable movement of the lifting plate 307; the upper end of the mounting plate 304 is provided with limiting guide shafts 11 corresponding to the limiting guide holes 10 of the lifting plate 307, the limiting guide shafts 11 are inserted into the limiting guide holes 10 of the lifting plate 307, and the limiting guide shafts 11 play a guiding and limiting role, and prevent the lifting plate 307 from deviating or tilting during movement.

[0055] Please refer to Figure 5 , Figure 6 As an embodiment of the utility model, two groups of groove rollers 12 are symmetrically arranged at the lower end of the mounting plate 304, and the upper end of the support base 301 is symmetrically provided with two groups of triangular guide rails 13 matched with the groove rollers 12.

[0056] In the above-mentioned scheme, the groove rollers 12 are installed at the lower end of the mounting plate 304, and have a groove shape matched with the triangular guide rails 13; the groove rollers 12 can roll along the triangular guide rails 13, reduce friction and wear, and ensure the stable movement of the mounting plate 304; the triangular guide rails 13 are installed at the upper end of the support base 301, have a triangular cross section, and are matched with the shape of the groove rollers 12; the triangular guide rails 13 can ensure the stability and accuracy of the mounting plate 304 during movement, and prevent the mounting plate 304 from deviating or tilting.

[0057] Specific embodiments, but those skilled in the art should understand that these are only examples, the protection scope of the utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the utility model, but these changes and modifications all fall within the protection scope of the utility model.

Claims

1. A PE pipe polishing apparatus, characterized by, The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1);The utility model provides a kind of outer polishing assembly (2) and inner polishing assembly (3) of feeding assembly (1) including, wherein outer polishing assembly (2) is provided with inner polishing assembly (3) side by side at one end of feeding assembly (1) away from feeding assembly (1); ​ The inner polishing assembly (3) comprises a support seat (301), wherein a linear sliding table (302) is arranged above the support seat (301); a sliding seat (303) of the linear sliding table (302) is provided with a mounting plate (304), wherein a worm screw lifter (305) is arranged above the mounting plate (304); a jacking screw (306) at the top of the worm screw lifter (305) is fixedly connected with a lifting plate (307) through a flange, wherein a polishing motor (308) is mounted above the lifting plate (307); the polishing motor (308) is horizontally arranged, wherein a rotating shaft (309) is fixedly mounted on an output shaft of the polishing motor (308) through a shaft coupling; the rotating shaft (309) extends towards the outer polishing assembly (2) side at the top, wherein the rotating shaft (309) is at the same horizontal height as the PE pipe (4); a polishing wheel (310) is fixedly mounted at the top of the rotating shaft (309), wherein the diameter of the polishing wheel (310) is smaller than the inner diameter of the PE pipe (4).

2. The PE pipe polishing apparatus according to claim 1, wherein The piston rod top of the feeding air cylinder (105) is fixedly installed with a pushing plate (5), wherein the pushing plate (5) is a circular truncated cone structure, and the diameter of the pushing plate (5) is greater than the inner diameter of the PE pipe (4).

3. The PE pipe polishing apparatus according to claim 1, wherein An arc-shaped material guiding groove (6) is arranged at the bottom of the accommodating cavity (103), wherein the arc-shaped material guiding groove (6) is communicated with the discharge port (104).

4. The PE pipe polishing apparatus according to claim 3, wherein Three groups of feeding racks (7) are uniformly arranged on the inclined inner wall of one side of the accommodating cavity (103) along the inclined direction.

5. The PE pipe polishing apparatus according to claim 1, wherein Supporting cross beams (8) are arranged between the two fixed supports (202), wherein the supporting cross beams (8) are arranged at the side edges of the fixed supports (202) and are fixedly connected therewith; two groups of limiting assemblies (9) are arranged at the two ends of the supporting cross beams (8) respectively, wherein the limiting assemblies (9) are located above the PE pipe (4).

6. A PE pipe polishing apparatus according to claim 5, wherein The limiting assembly (9) comprises a supporting arm (901), wherein the supporting arm (901) is an "L" shaped structure; the vertical end bottom of the supporting arm (901) is fixedly connected with the supporting cross beam (8), wherein the horizontal end top of the supporting arm (901) extends above the PE pipe (4); a double-shaft air cylinder (902) is mounted on the horizontal end top of the supporting arm (901), wherein the cylinder body of the double-shaft air cylinder (902) is fixedly connected with the supporting arm (901); the piston rod top of the double-shaft air cylinder (902) is downwardly arranged and provided with a connecting plate (903), wherein the lower end of the connecting plate (903) is provided with an arc-shaped chuck (904); elastic rollers (905) are symmetrically arranged at the two sides of the arc-shaped chuck (904), wherein the elastic rollers (905) abut against the outer surface of the PE pipe (4).

7. The PE pipe polishing apparatus according to claim 1, wherein The distance between the first polishing roller (203) and the second polishing roller (204) is smaller than the diameter of the PE pipe (4), wherein the outer surface of the PE pipe (4) abuts against the outer walls of the first polishing roller (203) and the second polishing roller (204) respectively.

8. The PE pipe polishing apparatus according to claim 1, wherein The lifting plate (307) is provided with a limiting guide hole (10) at each corner, and the mounting plate (304) is provided with a limiting guide shaft (11) corresponding to the limiting guide hole (10) at the upper end.

9. The PE pipe polishing apparatus according to claim 1, wherein The mounting plate (304) is provided with two groups of groove rollers (12) symmetrically arranged at the lower end, and the support seat (301) is provided with two groups of triangular guide rails (13) symmetrically arranged at the upper end and matched with the groove rollers (12).

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