Cold drawn pipe inner hole machining equipment

Abstract

The invention belongs to the technical field of cold drawn pipe inner hole machining, and particularly relates to cold drawn pipe inner hole machining equipment which comprises a machine table, a support is fixedly connected to the top of the machine table, a mounting plate is rotatably connected to the bottom of the support, and a collecting barrel is fixedly connected to the bottom of the machine table; the cold-drawn pipe inner hole machining equipment further comprises a supporting mechanism and a grinding mechanism, the outer wall of the supporting mechanism is fixedly connected with the inner wall of the machine table, and the top of the grinding mechanism is rotationally connected with the bottom of the mounting plate. And thus, the auxiliary assembly is triggered to polish the included angle, gaps in the inner wall of the square pipe are machined, the precision of the inner wall of the square pipe is improved, the polished face is cleaned, attachment of chippings is reduced, the square pipe is kept in the vertical state, the square pipe is clamped after the surface of the square pipe is kept clean, and damage to the surface of the square pipe in the clamping process is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of cold-drawn tube inner hole processing, in particular to a cold-drawn tube inner hole processing device. Background Art

[0002] Cold drawn steel pipe is a kind of steel pipe, that is, it is classified according to different production processes. It is different from hot rolled (expanded) pipe. It is made by multiple cold drawing processes during the expansion of rough pipe billet or raw material pipe. It is usually carried out on a 0.5-100T single-chain or double-chain cold drawing machine. The outer diameter of cold drawn steel pipe can be up to 6mm, the wall thickness can be up to 0.25mm, the outer diameter of thin-walled pipe can be up to 5mm and the wall thickness is less than 0.25mm. The accuracy and surface quality are significantly better than hot rolled (expanded) pipe, but due to process constraints, its caliber and length are subject to certain restrictions.

[0003] During the processing of cold-drawn tubes, for the subsequent grinding and other processing processes of the inner hole of the cold-drawn tube, the common method is to use grinding equipment to grind the inner hole of the cold-drawn tube, so as to make the inner hole of the cold-drawn tube smoother and improve the quality of the cold-drawn tube. However, for short square cold-drawn tubes, it is difficult for grinding equipment to accurately grind the corners of the inner wall, resulting in poor accuracy. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention solves the technical problems by adopting a technical solution: a cold-drawn tube inner hole processing device, comprising: a machine table, the top of which is fixedly connected to a bracket, the bottom of which is rotatably connected to a mounting plate, and the bottom of which is fixedly connected to a collecting cylinder;

[0005] The cold drawn tube inner hole processing equipment also includes:

[0006] A supporting mechanism, the outer wall of which is fixedly connected to the inner wall of the machine platform;

[0007] The support mechanism comprises a slide rail, the bottom of which is fixedly connected to the top of the machine platform, the inner wall of which is slidably connected to a pretreatment component, and the inner wall of the machine platform is evenly provided with movable rods;

[0008] A grinding mechanism, the top of which is rotatably connected to the bottom of the mounting plate;

[0009] The grinding mechanism includes a telescopic column, the top of the telescopic column is rotatably connected to the bottom of the mounting plate, the bottom of the telescopic column is fixedly connected to a limit assembly, the inner wall of the limit assembly is symmetrically provided with a grinding assembly, the bottom of the limit assembly is symmetrically provided with an auxiliary assembly, the inner wall of the square tube is fully ground, and the auxiliary assembly is triggered to grind the angle through the contact of the grinding assembly with the auxiliary assembly, so that the gap on the inner wall of the square tube is processed, the accuracy of the inner wall of the square tube is improved, the ground surface is cleaned, and the adhesion of debris is reduced.

[0010] Furthermore, the outer wall of the movable rod is fixedly connected to the inner wall of the machine, the outer wall of the grinding assembly is rotatably connected to the inner wall of the limiting assembly, the outer wall of the grinding assembly is in contact with the top of the auxiliary assembly, the top of the auxiliary assembly is rotatably connected to the bottom of the limiting assembly, and the slide rails are provided in four groups.

[0011] Furthermore, the pretreatment component includes a slider, the inner wall of the top of the slider is rotatably connected to a limiting wheel, the top of the slider is fixedly connected to a lifting rod, the top of the lifting rod is fixedly connected to a ring, and the outer wall of the ring is fixedly connected to a cleaning cylinder, so that debris and impurities on the surface of the square tube are cleaned, and then the slider slides close to the square tube and clamps the square tube from four sides, and then the limiting wheel rotates clockwise to subject the square tube to a downward force, so that the bottom of the square tube contacts the movable rod to keep the square tube in a vertical state, and then clamps it to keep the surface of the square tube clean before clamping it to avoid damage to the surface of the square tube during the clamping process, clamp the four sides of the square tube, and apply a downward force to keep the bottom of the square tube in contact with the movable rod, so that the square tube is placed forward, and then polished, so as to achieve pretreatment of the surface of the square tube, reduce the influence of impurities on clamping, and keep the square tube in a vertical state to facilitate subsequent polishing work.

[0012] Furthermore, the limit assembly includes a driving block, the top of the driving block is fixedly connected to the bottom of the telescopic column, the outer wall of the driving block is symmetrically provided with a sleeve, the outer wall of the sleeve is fixedly connected to the outer wall of the driving block, the inner wall of the sleeve is fixedly connected to a first spring, one end of the first spring is fixedly connected to the outer wall of the driving block, the end of the first spring away from the driving block is fixedly connected to a mounting bracket, the inner wall of the mounting bracket is rotatably connected to an extrusion wheel, the end of the mounting bracket away from the extrusion wheel is fixedly connected to a connecting rod, and the end of the connecting rod away from the extrusion rod is fixedly connected to the outer wall of the driving block, which can keep the driving block always moving along the axial position of the square tube to maintain the stability of the grinding assembly. During the grinding process, the grinding assembly needs to be moved downward until the grinding assembly extends out of the bottom of the square tube. At this time, the extrusion wheel is not squeezed, the connecting rod is disconnected, and the grinding assembly stops working.

[0013] Furthermore, the grinding assembly includes a rotating rod, the outer wall of the rotating rod is rotatably connected to the inner wall of the driving block, the end of the rotating rod away from the driving block is rotatably connected to a grinding shaft, the outer wall of the grinding shaft is provided with a cover shell, one end of the cover shell is fixedly connected to the outer wall of the rotating rod, the inner wall of the cover shell is evenly provided with brushes, the outer wall of the brush is fixedly connected to the inner wall of the cover shell, the outer wall of the cover shell is fixedly connected to a cleaning brush, and the end of the grinding shaft close to the auxiliary component is fixedly connected to a driving column. Conventional grinding shafts cannot simultaneously meet the requirements of completely grinding the inner surface and keeping the reserved position consistent. Therefore, the position setting of the grinding shaft can not only replace different grinding shafts according to the inner diameter length of the square tube, which is suitable for grinding square tubes of different specifications, but also can grind the inner wall of the square tube completely.

[0014] Furthermore, the auxiliary component includes a support rod, the top of which is rotatably connected to the bottom of the driving block, and two of the support rods are symmetrically arranged, and a second spring is symmetrically arranged on the top of the support rod, and the bottom of the second spring is fixedly connected to the top of the support rod, and the top of the second spring is fixedly connected to an angle plate, and the bottom of the inner wall of the angle plate is evenly provided with elastic rods, and the bottom of the elastic rod is fixedly connected to the top of the support rod, and the top of the elastic rod is fixedly connected to the top of the inner wall of the angle plate, and the top of the angle plate is provided with an arc surface, so that the angle plate can be quickly moved up and down by external force, thereby forming friction grinding at the angle, and cooperating with the grinding shaft to grind the angle while grinding the inner surface of the square tube, and the power generated by the grinding shaft is used to realize the up and down movement of the angle plate to grind the angle, thereby improving the grinding accuracy and accelerating the grinding rate.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. When processing a short square tube, it is difficult for the grinding equipment to accurately grind the corners of its inner wall, resulting in poor precision. The present invention provides a grinding mechanism to perform comprehensive grinding processing on the inner wall of the square tube. The grinding component contacts the auxiliary component, thereby triggering the auxiliary component to grind the angle, so that the gap on the inner wall of the square tube is processed, the precision of the inner wall of the square tube is improved, the grinded surface is cleaned, and the adhesion of debris is reduced.

[0017] 2. The present invention clamps the square tube from four sides by setting a pretreatment mechanism, and then the limiting wheel rotates clockwise to subject the square tube to a downward force, so that the bottom of the square tube contacts the movable rod, keeping the square tube in a vertical state, and then clamping to keep the surface of the square tube clean before clamping, thereby avoiding damage to the surface of the square tube during the clamping process and keeping the square tube in a vertical state to facilitate subsequent grinding work.

[0018] 3. The present invention sets a grinding component and discharges dust through the holes on the cover to keep the surface of the grinding shaft clean. The cleaning brush cleans the polished area to separate the dust from the inner wall of the square tube and drops it into the collection tube under the action of the suction fan. Because both ends of the grinding shaft need to reserve positions for angle grinding, conventional grinding shafts cannot simultaneously meet the requirements of completely grinding the inner surface while keeping the reserved positions consistent. Therefore, the position setting of the grinding shaft can not only replace different grinding shafts according to the inner diameter length of the square tube, thereby being suitable for grinding square tubes of different specifications, but also completely grind the inner wall of the square tube.

[0019] 4. The present invention sets an auxiliary component to drive the column to contact and then move away from the arc surface, so that the angle plate moves downward under pressure and rebounds under the drive of the second spring and the elastic rod, so that the angle plate moves up and down quickly under the external force, thereby forming friction grinding on the angle, and cooperating with the grinding shaft to grind the angle while grinding the inner surface of the square tube. The power generated by the grinding shaft is used to realize the up and down movement of the angle plate to grind the angle, thereby improving the grinding accuracy and accelerating the grinding rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 It is a partial structural schematic diagram of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the support mechanism of the present invention;

[0023] Figure 4 It is a structural schematic diagram of the grinding mechanism of the present invention;

[0024] Figure 5 It is a schematic diagram of the structure of the pretreatment component of the present invention;

[0025] Figure 6 It is a structural schematic diagram of the limit assembly of the present invention;

[0026] Figure 7 It is a schematic structural diagram of the grinding assembly of the present invention;

[0027] Figure 8 It is a schematic diagram of the structure of the auxiliary components of the present invention.

[0028] In the figure: 1, machine; 2, support mechanism; 201, slide rail; 202, movable rod; 203, pre-treatment component; 2031, slider; 2032, limit wheel; 2033, lifting rod; 2034, ring; 2035, cleaning cylinder; 3, collecting cylinder; 4, bracket; 5, mounting plate; 6, grinding mechanism; 601, telescopic column; 602, limit assembly; 6021, driving block; 6022, sleeve; 6023 , first spring; 6024, connecting rod; 6025, mounting frame; 6026, extrusion wheel; 603, grinding assembly; 6031, rotating rod; 6032, grinding shaft; 6033, cover; 6034, driving column; 6035, brush; 6036, cleaning brush; 604, auxiliary assembly; 6041, support rod; 6042, second spring; 6043, elastic rod; 6044, angle plate; 6045, curved surface. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0030] Example 1, please refer to Figure 1-Figure 4 The present invention provides a technical solution: a cold-drawn tube inner hole processing equipment is described as follows.

[0031] The machine comprises: a machine platform 1, a circular hole is opened in the middle of the machine platform 1, a movable rod 202 is fixedly connected to the inner wall of the circular hole, a bracket 4 is fixedly connected to the top of the machine platform 1, a mounting plate 5 is rotatably connected to the bottom of the bracket 4, a collecting cylinder 3 is fixedly connected to the bottom of the machine platform 1, the collecting cylinder 3 is located directly below the circular hole, and the outer wall of the collecting cylinder 3 is externally connected to a suction fan;

[0032] The cold drawn tube inner hole processing equipment also includes:

[0033] A supporting mechanism 2, the outer wall of the supporting mechanism 2 is fixedly connected to the inner wall of the machine platform 1;

[0034] A grinding mechanism 6, the top of which is rotatably connected to the bottom of the mounting plate 5;

[0035] During work, the worker places the short square tube on the supporting mechanism 2, and the supporting mechanism 2 performs preliminary surface treatment, then the supporting mechanism 2 clamps the short square tube, and the mounting plate 5 drives the grinding mechanism 6 to rotate to the top of the short square tube, then the grinding mechanism 6 extends into the short square tube, grinds the inner wall of the square tube, and grinds the four right angles of the square tube at the same time, and cleans up the debris generated by grinding, and the debris naturally falls into the collecting tube 3 under the drive of the suction fan, and the grinding mechanism 6 grinds two surfaces at a time, rotates 90 degrees after grinding, repeats the operation to grind the other two surfaces, and then takes out the square tube for the next grinding.

[0036] The support mechanism 2 includes a slide rail 201, the bottom of which is fixedly connected to the top of the machine 1, and the inner wall of the slide rail 201 is slidably connected with a pretreatment component 203. The inner wall of the machine 1 is evenly provided with movable rods 202, which are bendable connecting rods. When the square tube is placed on the movable rod 202, the movable rod 202 remains horizontal. After the square tube is clamped, the movable rod 202 is released so that there is no debris blocking the bottom of the square tube. The outer wall of the movable rod 202 is fixedly connected to the inner wall of the machine 1. The slide rail 201 is provided with four groups, which respectively fix and clamp the four faces of the square tube.

[0037] After the worker places the square tube on the round hole, the square tube passes through the pretreatment component 203 to preliminarily clean the debris on the surface. Then the pretreatment component 203 approaches the square tube from four directions, clamps the four sides of the square tube, and applies downward force to keep the bottom of the square tube in contact with the movable rod 202, so that the square tube is placed forward, and then polished to achieve pretreatment of the square tube surface, reduce the impact of impurities on clamping, and keep the square tube in a vertical state to facilitate subsequent polishing work.

[0038] The grinding mechanism 6 includes a telescopic column 601, the top of the telescopic column 601 is rotatably connected to the bottom of the mounting plate 5, the bottom of the telescopic column 601 is fixedly connected to a limiting component 602, the inner wall of the limiting component 602 is symmetrically provided with a grinding component 603, the bottom of the limiting component 602 is symmetrically provided with an auxiliary component 604, the outer wall of the grinding component 603 is rotatably connected to the inner wall of the limiting component 602, the outer wall of the grinding component 603 is in contact with the top of the auxiliary component 604, the top of the auxiliary component 604 is rotatably connected to the bottom of the limiting component 602, the position of the limiting component 602 is higher than the grinding component 603, and the height of the grinding component 603 is higher than the auxiliary component 604.

[0039] After the square tube is fixed, the telescopic column 601 drives the limit assembly 602 to move downward, the limit assembly 602 fits the inner wall of the square tube and is squeezed, the driving block 6021 drives the grinding assembly 603 to contact the inner wall of the square tube, and completely grinds the inner wall of the square tube as the telescopic column 601 continues to move downward, and contacts the auxiliary assembly 604 during the operation of the grinding assembly 603, so that the auxiliary assembly 604 moves up and down, so that the auxiliary assembly 604 grinds the corners of the inner wall of the square tube. After grinding two sides and two angles, the telescopic column 601 drives the driving block 6021 to rotate 90 degrees, and repeats the above operation again to grind the other two sides and angles, and comprehensively grind the inner wall of the square tube. Through the contact of the grinding assembly 603 with the auxiliary assembly 604, the auxiliary assembly 604 is triggered to grind the angle, so that the gap on the inner wall of the square tube is processed, the accuracy of the inner wall of the square tube is improved, the grinded surface is cleaned, and the adhesion of debris is reduced.

[0040] Example 2, please refer to Figure 1-Figure 8 The present invention provides a technical solution: on the basis of Example 1, the pretreatment component 203 includes a slider 2031, the slider 2031 is L-shaped, the inner wall of the top of the slider 2031 is rotatably connected to a limiting wheel 2032, the edge of the limiting wheel 2032 is flush with the vertical surface of the slider 2031, the top of the slider 2031 is fixedly connected to a lifting rod 2033, the top of the lifting rod 2033 is fixedly connected to a ring 2034, the ring 2034 is made of elastic material, and the outer wall of the ring 2034 is fixedly connected to a cleaning cylinder 2035.

[0041] When the worker places the square tube on the movable rod 202, he first places the square tube vertically in the ring 2034, and then relies on the elasticity of the ring 2034 and the gravity of the square tube to make the cleaning cylinder 2035 clean the outer wall of the square tube and clean the debris and impurities on the surface of the square tube. Then the slider 2031 slides close to the square tube and clamps the square tube from four sides. Then the limiting wheel 2032 rotates clockwise to apply a downward force to the square tube, so that the bottom of the square tube contacts the movable rod 202, keeping the square tube in a vertical state, and then clamping it to keep the surface of the square tube clean before clamping it to avoid damage to the surface of the square tube during the clamping process.

[0042] The limiting assembly 602 includes a driving block 6021, the top of the driving block 6021 is fixedly connected to the bottom of the telescopic column 601, the outer wall of the driving block 6021 is symmetrically provided with a sleeve 6022, the outer wall of the sleeve 6022 is fixedly connected to the outer wall of the driving block 6021, the inner wall of the sleeve 6022 is fixedly connected to a first spring 6023, one end of the first spring 6023 is fixedly connected to the outer wall of the driving block 6021, and the end of the first spring 6023 away from the driving block 6021 is fixedly connected to the inner wall of the sleeve 6022. It is connected to a mounting frame 6025, the inner wall of which is rotatably connected to an extrusion wheel 6026, and one end of the mounting frame 6025 away from the extrusion wheel 6026 is fixedly connected to a connecting rod 6024, and the connecting rod 6024 is a switch signal. When the extrusion wheel 6026 is squeezed, the circuit is connected and the grinding assembly 603 works. When the extrusion wheel 6026 is not squeezed, the grinding assembly 603 stops working, and the end of the connecting rod 6024 away from the extrusion rod is fixedly connected to the outer wall of the driving block 6021.

[0043] When grinding starts, the telescopic column 601 drives the driving block 6021 to move downward, so that the extrusion wheel 6026 is limited and squeezed, the connecting rod 6024 receives the signal, and the grinding assembly 603 starts to work. At the same time, the limiting wheel 2032 can keep the driving block 6021 moving along the axis of the square tube during the downward movement, so as to maintain the stability of the grinding assembly 603. During the grinding process, the grinding assembly 603 needs to be moved downward until the grinding assembly 603 extends out of the bottom of the square tube. At this time, the extrusion wheel 6026 is not squeezed, the connecting rod 6024 is disconnected, and the grinding assembly 603 stops working.

[0044] The grinding assembly 603 includes a rotating rod 6031, the outer wall of the rotating rod 6031 is rotatably connected to the inner wall of the driving block 6021, and the end of the rotating rod 6031 away from the driving block 6021 is rotatably connected to a grinding shaft 6032, and the grinding shaft 6032 is arranged in two groups, the upper and lower groups, so that the positions of the two ends of the grinding shaft 6032 and the angles between the square tube are evenly distributed, so that the inner wall of the square tube can be polished more comprehensively to avoid missing grinding, and the outer wall of the grinding shaft 6032 is provided with a cover shell 6033, and the surface of the cover shell 6033 is provided with many small holes, and one end of the cover shell 6033 is fixedly connected to the outer wall of the rotating rod 6031, and the cover shell 603 3 is evenly provided with brushes 6035, the outer wall of the brushes 6035 is fixedly connected to the inner wall of the cover shell 6033, the outer wall of the cover shell 6033 is fixedly connected with a cleaning brush 6036, the length of the cleaning brush 6036 is longer than the cover shell 6033, and the cleaning brush 6036 has a certain flexibility, the end of the grinding shaft 6032 close to the auxiliary component 604 is fixedly connected with a driving column 6034, the driving column 6034 is arranged at the outer end of the upper grinding shaft 6032, contacts with the arc surface 6045 of the auxiliary component 604, and the driving column 6034 is arranged at a position different from the axis of the grinding shaft 6032.

[0045] During grinding, the rotating rod 6031 rotates, driving the grinding shaft 6032 to contact the inner wall of the square tube, and then grinding is performed. During the grinding process, the grinding shaft 6032 contacts the brush 6035, and the brush 6035 cleans the dust on the surface of the grinding shaft 6032 and discharges the dust through the holes on the cover 6033, so that the surface of the grinding shaft 6032 remains clean. The cleaning brush 6036 cleans the polished part to separate the dust from the inner wall of the square tube and falls into the collecting tube 3 under the action of the suction fan. Since both ends of the grinding shaft 6032 need to reserve positions for angle grinding, the conventional grinding shaft 6032 cannot simultaneously meet the requirements of completely grinding the inner surface while keeping the reserved positions consistent. Therefore, the position setting of the grinding shaft 6032 can not only replace different grinding shafts 6032 according to the inner diameter length of the square tube, so as to be suitable for grinding square tubes of different specifications, but also can grind the inner wall of the square tube completely.

[0046] The auxiliary component 604 includes a support rod 6041, the top of the support rod 6041 is rotatably connected to the bottom of the driving block 6021, and one end of the support rod 6041 close to the angle plate 6044 is made of elastic material, so that the angle plate 6044 can be squeezed and contacted with the angle of the square tube and generate a certain pressure. Two support rods 6041 are symmetrically arranged, and a second spring 6042 is symmetrically arranged on the top of the support rod 6041. The bottom of the second spring 6042 is fixedly connected to the top of the support rod 6041, and the top of the second spring 6042 is fixedly connected to the angle plate 6044. The shape of the angle plate 6044 is a hollow right-angled triangular prism, and the shape of its outer wall can be customized according to the angle of the inner wall of the square tube. A grinding sheet is provided at the position where the outer wall contacts the inner wall of the square tube, and the top is a smooth surface. Elastic rods 6043 are evenly provided on the bottom of the inner wall of the angle plate 6044. The elastic rods 6043 can enhance the resilience of the angle plate 6044. The bottom of the elastic rod 6043 is fixedly connected to the top of the support rod 6041, and the top of the elastic rod 6043 is fixedly connected to the top of the inner wall of the angle plate 6044. The top of the angle plate 6044 is provided with an arc surface 6045.

[0047] When the grinding assembly 603 is working, the support rod 6041 rotates, driving the angle plate 6044 to approach the angle of the square tube and generate a certain extrusion force. During the rotation of the grinding shaft 6032, the driving column 6034 contacts and then moves away from the arc surface 6045, so that the angle plate 6044 moves downward under pressure and rebounds under the drive of the second spring 6042 and the elastic rod 6043, so that the angle plate 6044 moves up and down quickly under the external force, thereby forming friction grinding at the angle. The grinding shaft 6032 cooperates with the grinding shaft 6032 to grind the angle while grinding the inner surface of the square tube. The power generated by the grinding shaft 6032 is used to realize the up and down movement of the angle plate 6044 to grind the angle, thereby improving the grinding accuracy and accelerating the grinding rate.

[0048] The specific workflow is as follows:

[0049] During work, the worker places the short square tube on the supporting mechanism 2, and then places the square tube on the round hole, so that the square tube passes through the pretreatment component 203 to preliminarily clean the debris on the surface. Then the pretreatment component 203 approaches the square tube from four directions, clamps the four sides of the square tube, and applies downward force to keep the bottom of the square tube in contact with the movable rod 202, so that the square tube is placed forward. After the square tube is fixed, the telescopic column 601 drives the limit component 602 to move downward, and the limit component 602 fits the inner wall of the square tube and is squeezed. The driving block 6021 drives the grinding component 603 to contact the inner wall of the square tube, and completely grinds the inner wall of the square tube as the telescopic column 601 continues to move downward. During the operation, the auxiliary component 604 contacts with the auxiliary component 604, so that the auxiliary component 604 moves up and down, and the auxiliary component 604 grinds the corners of the inner wall of the square tube. After grinding two sides and two angles, the telescopic column 601 drives the driving block 6021 to rotate 90 degrees, and repeats the above operation again to grind the other two sides and the angle, and comprehensively grind the inner wall of the square tube. The grinding component 603 contacts the auxiliary component 604, thereby triggering the auxiliary component 604 to grind the angle. Driven by the suction fan, the debris naturally falls into the collecting tube 3. The grinding mechanism 6 grinds two sides at a time, rotates 90 degrees after grinding, repeats the operation to grind the other two sides, and then takes out the square tube for the next grinding.

[0050] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A cold drawn tube inner hole processing equipment, specifically comprising: The machine (1) is characterized in that: the top of the machine (1) is fixedly connected to a bracket (4), the bottom of the bracket (4) is rotatably connected to a mounting plate (5), and the bottom of the machine (1) is fixedly connected to a collecting cylinder (3); The cold drawn tube inner hole processing equipment also includes: A supporting mechanism (2), wherein the outer wall of the supporting mechanism (2) is fixedly connected to the inner wall of the machine platform (1); The support mechanism (2) comprises a slide rail (201), the bottom of the slide rail (201) is fixedly connected to the top of the machine platform (1), the inner wall of the slide rail (201) is slidably connected to a pretreatment component (203), and the inner wall of the machine platform (1) is evenly provided with movable rods (202); A grinding mechanism (6), the top of which is rotatably connected to the bottom of the mounting plate (5); The grinding mechanism (6) comprises a telescopic column (601), the top of the telescopic column (601) is rotatably connected to the bottom of the mounting plate (5), the bottom of the telescopic column (601) is fixedly connected to a limit assembly (602), the inner wall of the limit assembly (602) is symmetrically provided with a grinding assembly (603), and the bottom of the limit assembly (602) is symmetrically provided with an auxiliary assembly (604).

2. The cold-drawn tube inner hole processing equipment according to claim 1, characterized in that: The outer wall of the movable rod (202) is fixedly connected to the inner wall of the machine platform (1); the outer wall of the grinding component (603) is rotatably connected to the inner wall of the limiting component (602); the outer wall of the grinding component (603) is in contact with the top of the auxiliary component (604); the top of the auxiliary component (604) is rotatably connected to the bottom of the limiting component (602); and the slide rail (201) is provided with four groups.

3. The cold-drawn tube inner hole processing equipment according to claim 1, characterized in that: The pretreatment component (203) comprises a slider (2031), the inner wall at the top of the slider (2031) is rotatably connected to a limiting wheel (2032), the top of the slider (2031) is fixedly connected to a lifting rod (2033), the top of the lifting rod (2033) is fixedly connected to a ferrule (2034), and the outer wall of the ferrule (2034) is fixedly connected to a cleaning cylinder (2035).

4. The cold-drawn tube inner hole processing equipment according to claim 1, characterized in that: The limiting assembly (602) comprises a driving block (6021), the top of the driving block (6021) is fixedly connected to the bottom of the telescopic column (601), the outer wall of the driving block (6021) is symmetrically provided with a sleeve (6022), the outer wall of the sleeve (6022) is fixedly connected to the outer wall of the driving block (6021), the inner wall of the sleeve (6022) is fixedly connected to a first spring (6023), and one end of the first spring (6023) is fixedly connected to the outer wall of the driving block (6021).

5. The cold-drawn tube inner hole processing equipment according to claim 4, characterized in that: One end of the first spring (6023) away from the driving block (6021) is fixedly connected to a mounting frame (6025), the inner wall of the mounting frame (6025) is rotatably connected to an extrusion wheel (6026), one end of the mounting frame (6025) away from the extrusion wheel (6026) is fixedly connected to a connecting rod (6024), and one end of the connecting rod (6024) away from the extrusion rod is fixedly connected to the outer wall of the driving block (6021).

6. The cold-drawn tube inner hole processing equipment according to claim 5, characterized in that: The grinding assembly (603) comprises a rotating rod (6031), the outer wall of which is rotatably connected to the inner wall of the driving block (6021), one end of which is rotatably connected to a grinding shaft (6032) away from the driving block (6021), the outer wall of which is provided with a cover (6033), one end of which is fixedly connected to the outer wall of the rotating rod (6031).

7. The cold-drawn tube inner hole processing equipment according to claim 6, characterized in that: The inner wall of the cover shell (6033) is evenly provided with brushes (6035), the outer wall of the brush (6035) is fixedly connected to the inner wall of the cover shell (6033), the outer wall of the cover shell (6033) is fixedly connected to a cleaning brush (6036), and one end of the grinding shaft (6032) close to the auxiliary component (604) is fixedly connected to a driving column (6034).

8. The cold-drawn tube inner hole processing equipment according to claim 1, characterized in that: The auxiliary component (604) includes a support rod (6041), the top of which is rotatably connected to the bottom of the driving block (6021), two support rods (6041) are symmetrically arranged, and a second spring (6042) is symmetrically arranged at the top of the support rod (6041), and the bottom of the second spring (6042) is fixedly connected to the top of the support rod (6041).

9. The cold-drawn tube inner hole processing equipment according to claim 8, characterized in that: The top of the second spring (6042) is fixedly connected to a corner plate (6044), the bottom of the inner wall of the corner plate (6044) is evenly provided with elastic rods (6043), the bottom of the elastic rods (6043) is fixedly connected to the top of the support rod (6041), the top of the elastic rods (6043) is fixedly connected to the top of the inner wall of the corner plate (6044), and the top of the corner plate (6044) is provided with an arc surface (6045).

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