阅读说明：本技术 一种不锈钢无缝钢管的自动加工系统 (Automatic processing system of stainless steel seamless steel pipe ) 是由 陈兆启 曹洪亮 于 2021-04-27 设计创作，主要内容包括：本发明属于无缝钢管加工技术领域,具体涉及一种不锈钢无缝钢管的自动加工系统,包括热轧穿孔装置、冷拔装置、退火装置、切割装置和检测装置；所述热轧穿孔装置用于将不锈钢实心胚料穿成不锈钢空心毛管；所述冷拔装置用于对不锈钢空心毛管进行二次加工,使得不锈钢无缝钢管硬度和强度提高；本发明通过矫正模块的设置,使得矫正模块能够对不锈钢空心毛管表面进行滚碾,提高了不锈钢空心毛管表面壁厚的均匀度,且滚轮通过将拔制出的不锈钢空心毛管夹紧,使得滚轮对不锈钢空心毛管起到支撑作用,从而使得拔制线和不锈钢空心毛管的轴线保持在同一水平线上,降低了不锈钢空心毛管的弯曲度。(The invention belongs to the technical field of seamless steel pipe processing, and particularly relates to an automatic processing system of a stainless steel seamless steel pipe, which comprises a hot rolling perforation device, a cold drawing device, an annealing device, a cutting device and a detection device; the hot rolling perforation device is used for perforating the stainless steel solid blank into a stainless steel hollow capillary; the cold-drawing device is used for carrying out secondary processing on the stainless steel hollow capillary tube, so that the hardness and the strength of the stainless steel seamless steel tube are improved; according to the invention, through the arrangement of the correction module, the correction module can roll and grind the surface of the stainless steel hollow capillary, so that the uniformity of the wall thickness of the surface of the stainless steel hollow capillary is improved, and the roller tightly clamps the drawn stainless steel hollow capillary, so that the roller can support the stainless steel hollow capillary, the axes of the drawing line and the stainless steel hollow capillary are kept on the same horizontal line, and the flexibility of the stainless steel hollow capillary is reduced.)

1. An automatic processing system of stainless steel seamless steel pipes comprises a hot rolling perforation device, a cold drawing device, an annealing device, a cutting device and a detection device; the hot rolling perforation device is used for perforating the stainless steel solid blank into a stainless steel hollow capillary; the cold-drawing device is used for carrying out secondary processing on the stainless steel hollow capillary tube, so that the hardness and the strength of the stainless steel seamless steel tube are improved; the annealing device is used for improving the ductility and toughness of the stainless steel seamless steel pipe; the detection device is used for detecting and detecting the flaw of the stainless steel seamless steel pipe;

the method is characterized in that: the cold-drawing device comprises a machine body (1), a processing seat (2), a pulling module (3), a correcting module (4) and a controller; the processing seat (2) and the pulling module (3) are arranged at the upper end of the machine body (1); the pulling module (3) comprises a chuck (31) and a pushing cylinder (32); the pushing cylinder (32) is fixedly connected to one end of the machine body (1) far away from the processing seat (2); the clamping head (31) is fixedly connected with one end of the pushing cylinder (32), and the clamping head (31) is connected to the upper end of the machine body (1) in a sliding manner;

the correcting module (4) is fixedly connected with the machine body (1), and the correcting module (4) comprises a bracket (41), a screw rod (42), a polished rod (43), a first motor (44), a clamping block (45) and a correcting block (46); the number of the clamping blocks (45) is two, and the two clamping blocks (45) are symmetrical along the center of the polish rod (43); the screw rod (42) is rotatably connected between the two clamping blocks (45), two ends of the screw rod (42) penetrate through the clamping blocks (45) to be rotatably connected with the bracket (41), and threads at two ends of the screw rod (42) are arranged oppositely; the polish rod (43) is connected between the two clamping blocks (45) in a sliding manner; the output end of the first motor (44) is fixedly connected with one end of the screw rod (42); the screw rod (42), the polished rod (43), the first motor (44) and the clamping block (45) form a screw rod sliding block pair; the correcting blocks (46) are fixedly connected to the lower ends of the clamping blocks (45), and one ends, close to the two correcting blocks (46), of the two correcting blocks are provided with a first groove (47); a roller (5) is arranged in the first groove (47); the section of the roller (5) is cylindrical, and an annular groove (51) is formed in the surface of the roller (5); the section of the annular groove (51) is semicircular.

2. The automatic processing system of stainless steel seamless steel pipe of claim 1, characterized in that: two opposite groove walls of the first groove (47) are provided with opposite sliding grooves (471); a sliding block (472) is connected in the sliding groove (471) in a sliding manner; the sliding block (472) is fixedly connected with the bottom of the sliding groove (471) through a first spring (473); the roller (5) is rotationally connected with the sliding block (472); an arc-shaped plate (6) is arranged at the bottom of the first groove (47); the cross section of the arc-shaped plate (6) is semicircular.

3. The automatic processing system of stainless steel seamless steel pipe according to claim 2, characterized in that: a second groove (474) is formed in the bottom of the first groove (47); an arc-shaped plate (6) is connected in the second groove (474) in a sliding manner; the arc-shaped plate (6) is fixedly connected with the bottom of the second groove (474) through a second spring (61); a round hole (62) is formed in the arc-shaped plate (6); the round hole (62) is communicated with the second groove (474).

4. The automatic processing system of stainless steel seamless steel pipe of claim 3, characterized in that: a corrugated air bag (7) is arranged between the two clamping blocks (45); the corrugated air bag (7) is sleeved on the screw rod (42) and the polished rod (43); the lower end of the corrugated air bag (7) is provided with an air hole (71).

5. The automatic processing system of stainless steel seamless steel pipe of claim 4, characterized in that: the air holes (71) in the center of the corrugated air bag (7) are vertically downward, the air holes (71) at two ends of the corrugated air bag (7) incline to the stainless steel seamless steel pipe (21), and the inclination angle of the air holes (71) is continuously reduced along with the distance from the center of the corrugated air bag (7).

6. The automatic processing system of stainless steel seamless steel pipe of claim 5, characterized in that: lubricating oil (475) is arranged in the second groove (474); the outer wall of the correcting block (46) is provided with a chute (461); the chute (461) is communicated with the second groove (474); and a sealing plug (462) is connected to one end of the inclined groove (461) far away from the second groove (474) in a sliding manner.

Technical Field

The invention belongs to the technical field of seamless steel pipe processing, and particularly relates to an automatic processing system of a stainless steel seamless steel pipe.

Background

In the process of processing the stainless steel seamless steel tube, cold drawing is an indispensable stage, and the cold drawing is secondary processing of the stainless steel seamless steel tube, namely under normal temperature and normal pressure, tensile force is applied to one end of the stainless steel seamless steel tube through a clamp, so that the stainless steel seamless steel tube is pulled out through a die hole, the stainless steel seamless steel tube is stretched and extruded through a die, and the diameter of the stainless steel seamless steel tube is reduced.

For example, a chinese patent with application number CN201922432267.9 discloses a cold-drawing machine for processing stainless steel seamless steel tubes, which is characterized in that the position of a drawing seat is adjusted to correspond to the position of a processing seat, so that the whole drawing seat is not required to be replaced, and the purpose of matching with different types of machine bodies for processing can be achieved; but this technical scheme still can't solve because of the immature of current perforation technique, and lead to the hollow capillary wall thickness of stainless steel uneven, and carry out the in-process of cold drawing to the hollow capillary of stainless steel, the axis of drawing line and the hollow capillary of stainless steel differs to cause the too big and uneven problem of wall thickness of stainless steel seamless steel pipe crookedness after the cold drawing, and then cause this technical scheme's limitation.

In view of this, in order to overcome the above technical problems, the present invention provides an automatic processing system for stainless steel seamless steel pipes, which solves the above technical problems.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides an automatic processing system of a stainless steel seamless steel tube, the correction module can roll and grind the surface of the stainless steel hollow capillary tube through the arrangement of the correction module, the uniformity of the wall thickness of the surface of the stainless steel hollow capillary tube is improved, and the roller wheel tightly clamps the drawn stainless steel hollow capillary tube, so that the roller wheel plays a supporting role on the stainless steel hollow capillary tube, the axis of a drawing line and the axis of the stainless steel hollow capillary tube are kept on the same horizontal line, and the flexibility of the stainless steel hollow capillary tube is reduced.

The technical scheme adopted by the invention for solving the technical problems is as follows: the automatic processing system of the stainless steel seamless steel tube comprises a hot rolling perforation device, a cold drawing device, an annealing device, a cutting device and a detection device, wherein the hot rolling perforation device is used for perforating a stainless steel solid blank into a stainless steel hollow capillary tube; the cold-drawing device is used for carrying out secondary processing on the stainless steel hollow capillary tube, so that the hardness and the strength of the stainless steel seamless steel tube are improved; the annealing device is used for improving the ductility and toughness of the stainless steel seamless steel pipe; the detection device is used for detecting and detecting the flaw of the stainless steel seamless steel pipe;

the cold-drawing device comprises a machine body, a processing seat, a pulling module, a correcting module and a controller; the processing seat and the pulling module are arranged at the upper end of the machine body; the pulling module comprises a chuck and a pushing cylinder; the pushing cylinder is fixedly connected to one end of the machine body, which is far away from the processing seat; the clamping head is fixedly connected with one end of the pushing cylinder and is connected to the upper end of the machine body in a sliding manner;

the correcting module is fixedly connected with the machine body and comprises a bracket, a screw rod, a polished rod, a first motor, a clamping block and a correcting block; the number of the clamping blocks is two, and the two clamping blocks are symmetrical along the center of the polish rod; the screw rod is rotationally connected between the two clamping blocks, two ends of the screw rod penetrate through the clamping blocks to be rotationally connected with the bracket, and threads at two ends of the screw rod are arranged oppositely; the polished rod is connected between the two clamping blocks in a sliding manner; the output end of the first motor is fixedly connected with one end of the screw rod; the screw rod, the polished rod, the first motor and the clamping block form a screw rod sliding block pair; the correcting blocks are fixedly connected to the lower ends of the clamping blocks, and one end, close to each other, of each of the two correcting blocks is provided with a first groove; a roller is arranged in the first groove; the section of the roller is cylindrical, and the surface of the roller is provided with an annular groove; the section of the annular groove is semicircular;

in the prior art, the wall thickness of the stainless steel hollow capillary is not uniform due to the immaturity of the perforation technology, and in the process of cold drawing the stainless steel hollow capillary, the drawing line is not consistent with the axis of the stainless steel hollow capillary, so that the problems of overlarge flexibility and non-uniform wall thickness of the stainless steel seamless steel tube after cold drawing are caused;

when the device works, the controller controls the pushing cylinder to extend out, so that the pushing cylinder pushes the chuck to be close to the processing seat, the chuck clamps one end of the stainless steel hollow capillary extending out of the processing seat, and at the moment, the pushing cylinder is controlled to contract, so that the chuck pulls the stainless steel hollow capillary to perform cold drawing; when the chuck pulls the stainless steel hollow capillary to the correction module, the controller controls the first motor to rotate, so that the first motor drives the screw rod to rotate and simultaneously drives the two clamping blocks to approach each other, the correction block at the lower end of the clamping block synchronously approaches along with the clamping blocks, the roller in the correction block is driven by the correction block to contact and clamp the stainless steel hollow capillary, the outer wall of the stainless steel hollow capillary is attached to the annular groove, the stainless steel hollow capillary is pulled by the chuck to extend, and the stainless steel hollow capillary is in rolling contact with the roller, so that the roller can roll and flatten the surface of the stainless steel hollow capillary; after the stainless steel hollow capillary is cold-drawn, taking out the stainless steel seamless steel tube from the chuck; at the moment, the controller controls the first motor to rotate reversely, so that the clamping block drives the two rollers to reset;

according to the invention, through the arrangement of the correction module, the correction module can roll and grind the surface of the stainless steel hollow capillary, so that the uniformity of the wall thickness of the surface of the stainless steel hollow capillary is improved, and the roller tightly clamps the drawn stainless steel hollow capillary, so that the roller can support the stainless steel hollow capillary, the axes of the drawing line and the stainless steel hollow capillary are kept on the same horizontal line, and the flexibility of the stainless steel hollow capillary is reduced.

Preferably, two opposite groove walls of the first groove are provided with opposite sliding grooves; a sliding block is connected in the sliding groove in a sliding manner; the sliding block is fixedly connected with the bottom of the sliding groove through a first spring; the roller is rotationally connected with the sliding block; an arc-shaped plate is arranged at the bottom of the first groove; the cross section of the arc-shaped plate is semicircular; when the device works, the controller controls the clamping block to drive the two rollers to clamp the stainless steel hollow capillary, so that the rollers are in contact with the stainless steel hollow capillary, and the rollers push the sliding block to extrude the first spring to move towards the bottom of the first groove under the extrusion of the stainless steel hollow capillary until the rollers are in contact with the arc-shaped plate; the arc-shaped end of the arc-shaped plate is tightly attached to the groove wall of the annular groove of the roller, and at the moment, the arc-shaped plate can scrape off metal particles adhered to the surface of the roller along with the rotation of the roller; the controller controls the two rollers to be away from each other, the sliding block is reset under the action of the first spring, the rollers are driven by the sliding block to be away from the arc-shaped plate, and at the moment, workers clean pushed metal particles on the surfaces of the rollers; according to the invention, through the arrangement of the arc-shaped plate, the arc-shaped plate can scrape off metal particles on the surface of the roller, so that the metal particles falling off from the surface of the stainless steel hollow capillary are prevented from being adhered to the surface of the roller and synchronously rotate along with the roller, thereby influencing the rolling effect of the roller on the surface of the stainless steel hollow capillary and improving the practicability of the invention; and through mutually supporting between slider and the spring for arc can separate with the gyro wheel, and then the staff of being convenient for clears up metal particle, has reduced staff's intensity of labour.

Preferably, a second groove is formed at the bottom of the first groove; an arc-shaped plate is connected in the second groove in a sliding manner; the arc-shaped plate is fixedly connected with the bottom of the second groove through a second spring; a circular hole is formed in the arc-shaped plate; the round hole is communicated with the second groove; when the circular groove is in work, when the roller is in contact with the arc-shaped plate, the roller pushes the arc-shaped plate to extrude the second spring to move towards the bottom of the second groove, so that gas in the second groove enters the circular hole under the extrusion of the arc-shaped plate, the gas is sprayed onto the groove wall of the circular groove through the circular hole, dust and metal particles attached to the groove wall of the circular groove fall off under the blowing of the gas, and the arc-shaped plate is tightly attached to the groove wall of the circular groove; according to the invention, through the mutual matching between the arc-shaped plate and the second groove, the gas in the second groove can be sprayed onto the groove wall of the annular groove through the circular hole, so that the gas can clean the groove wall of the annular groove, a gap between the arc-shaped plate and the groove wall of the annular groove due to the blocking of metal particles is avoided, the scraping effect of the arc-shaped plate on the metal particles is improved, and the rolling effect of the roller on the surface of the stainless steel hollow capillary is further improved.

Preferably, a corrugated air bag is arranged between the two clamping blocks; the corrugated air bag is sleeved on the screw rod and the polished rod; the lower end of the corrugated air bag is provided with an air hole; when the device works, the controller controls the two clamping blocks to be close to each other, so that the corrugated air bag is extruded, and at the moment, gas in the corrugated air bag is sprayed downwards through the air holes, so that the gas is sprayed on the surface of the stainless steel hollow capillary, and metal particles attached to the surface of the stainless steel hollow capillary fall off under the blowing of the gas until the roller is in contact with the surface of the stainless steel hollow capillary and is rolled; after the work is finished, the controller controls the clamping blocks to be away from each other, so that the corrugated air bag is continuously recovered while moving along with the clamping blocks, and the corrugated air bag is convenient to use next time; according to the invention, through the arrangement of the corrugated air bag, the air in the corrugated air bag is extruded by the clamping block and is sprayed on the surface of the stainless steel hollow capillary, so that the surface cleanness of the stainless steel hollow capillary is improved, and the rolling effect of the roller on the stainless steel hollow capillary is improved.

Preferably, the air holes in the center of the corrugated air bag are vertically downward, the air holes at two ends of the corrugated air bag are inclined towards the stainless steel seamless steel pipe, and the inclination angle of the air holes is continuously reduced along with the distance from the center of the corrugated air bag; when the corrugated air bag cleaning device works, metal particles on the upper surface of the stainless steel hollow capillary are supported by the stainless steel hollow capillary and are not easy to fall off, when gas in the corrugated air bag is sprayed out through the air holes, the gas sprayed out from the air holes in the center of the corrugated air bag is vertically sprayed to the upper surface of the stainless steel hollow capillary, the gas sprayed out from the air holes on two sides of the corrugated air bag is sprayed to the stainless steel hollow capillary, so that the gas in the corrugated air bag can be intensively sprayed to the stainless steel hollow capillary, the cleaning effect of the gas in the corrugated air bag on the stainless steel hollow capillary is improved, the gas in the corrugated air bag is gathered towards the middle along with the continuous extrusion of the clamping block on the corrugated air bag, at the moment, the air holes at two ends of the corrugated air bag are continuously closed under the contraction of the corrugated air bag, the gas in the corrugated air bag is intensively sprayed out from the air holes in the center, and the cleaning effect of the center air holes on the surface of the stainless steel hollow capillary is improved, so that the metal particles on the upper surface of the stainless steel hollow capillary tube fall off.

Preferably, lubricating oil is arranged in the second groove; the outer wall of the correcting block is provided with a chute; the chute is communicated with the second groove; one end of the chute, which is far away from the second groove, is connected with a sealing plug in a sliding manner; when the circular groove lubricating device works, when the roller extrudes the arc-shaped plate to enter the second groove, the arc-shaped plate extrudes the lubricating oil in the second groove, so that the lubricating oil in the second groove is sprayed on the groove wall of the circular groove through the circular hole, and the lubricating oil can be uniformly coated on the groove wall of the circular groove along with the rotation of the roller; when the lubricating oil in the second groove needs to be added, a worker opens the sealing plug, pours the lubricating oil into the second groove through the chute until the lubricating oil is filled in the second groove, and then plugs the sealing plug into the chute; according to the invention, through the arrangement of the lubricating oil, on one hand, the friction force between the arc-shaped plate and the annular groove is reduced, so that the abrasion of the arc-shaped plate is reduced, the service life of the arc-shaped plate is prolonged, on the other hand, the friction force between the roller and the stainless steel hollow capillary is reduced, and the rolling effect of the roller on the stainless steel hollow capillary is improved.

The invention has the following beneficial effects:

1. according to the invention, through the arrangement of the correction module, the correction module can roll and grind the surface of the stainless steel hollow capillary, so that the uniformity of the wall thickness of the surface of the stainless steel hollow capillary is improved, and the roller tightly clamps the drawn stainless steel hollow capillary, so that the roller can support the stainless steel hollow capillary, the axes of the drawing line and the stainless steel hollow capillary are kept on the same horizontal line, and the flexibility of the stainless steel hollow capillary is reduced.

2. According to the invention, through the arrangement of the arc-shaped plate, the arc-shaped plate can scrape off metal particles on the surface of the roller, so that the metal particles falling off from the surface of the stainless steel hollow capillary are prevented from being adhered to the surface of the roller and synchronously rotate along with the roller, thereby influencing the rolling effect of the roller on the surface of the stainless steel hollow capillary and improving the practicability of the invention; and through mutually supporting between slider and the spring for arc can separate with the gyro wheel, and then the staff of being convenient for clears up metal particle, has reduced staff's intensity of labour.

3. According to the invention, through the mutual matching between the arc-shaped plate and the second groove, the gas in the second groove can be sprayed onto the groove wall of the annular groove through the circular hole, so that the gas can clean the groove wall of the annular groove, a gap between the arc-shaped plate and the groove wall of the annular groove due to the blocking of metal particles is avoided, the scraping effect of the arc-shaped plate on the metal particles is improved, and the rolling effect of the roller on the surface of the stainless steel hollow capillary is further improved.

Drawings

The invention is further described with reference to the following figures and embodiments.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 2;

FIG. 4 is an enlarged view at C in FIG. 2;

in the figure: 1. a body; 2. processing a base; 3. pulling the module; 31. a chuck; 32. a push cylinder; 4. a rectification module; 41. a support; 42. a screw; 43. a polish rod; 44. a first motor; 45. a clamping block; 46. a rectification block; 461. a chute; 462. a sealing plug; 47. a first groove; 5. a roller; 51. an annular groove; 471. a chute; 472. a slider; 473. a first spring; 474. a second groove; 475. lubricating oil; 6. an arc-shaped plate; 61. a second spring; 62. a circular hole; 7. a corrugated air bag; 71. and (4) air holes.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the automatic processing system for stainless steel seamless steel tube according to the present invention comprises a hot rolling perforation device, a cold drawing device, an annealing device, a cutting device and a detection device, wherein the hot rolling perforation device is used for perforating a stainless steel solid blank into a stainless steel hollow capillary; the cold-drawing device is used for carrying out secondary processing on the stainless steel hollow capillary tube, so that the hardness and the strength of the stainless steel seamless steel tube are improved; the annealing device is used for improving the ductility and toughness of the stainless steel seamless steel pipe; the detection device is used for detecting and detecting the flaw of the stainless steel seamless steel pipe;

the cold-drawing device comprises a machine body 1, a processing seat 2, a pulling module 3, a correcting module 4 and a controller; the processing seat 2 and the pulling module 3 are arranged at the upper end of the machine body 1; the pulling module 3 comprises a clamping head 31 and a pushing cylinder 32; the pushing cylinder 32 is fixedly connected to one end of the machine body 1 far away from the processing seat 2; the clamping head 31 is fixedly connected with one end of the pushing cylinder 32, and the clamping head 31 is connected to the upper end of the machine body 1 in a sliding manner;

the correction module 4 is fixedly connected with the machine body 1, and the correction module 4 comprises a bracket 41, a screw rod 42, a polished rod 43, a first motor 44, a clamping block 45 and a correction block 46; the number of the clamping blocks 45 is two, and the two clamping blocks 45 are symmetrical along the center of the polish rod 43; the screw rod 42 is rotatably connected between the two clamping blocks 45, two ends of the screw rod 42 penetrate through the clamping blocks 45 to be rotatably connected with the bracket 41, and threads at two ends of the screw rod 42 are arranged oppositely; the polish rod 43 is connected between the two clamping blocks 45 in a sliding manner; the output end of the first motor 44 is fixedly connected with one end of the screw rod 42; the screw rod 42, the polished rod 43, the first motor 44 and the clamping block 45 form a screw rod sliding block pair; the correcting blocks 46 are fixedly connected to the lower ends of the clamping blocks 45, and one ends, close to the two correcting blocks 46, of the two correcting blocks are provided with a first groove 47; the first groove 47 is internally provided with a roller 5; the section of the roller 5 is cylindrical, and the surface of the roller 5 is provided with an annular groove 51; the section of the annular groove 51 is semicircular;

in the prior art, the wall thickness of the stainless steel hollow capillary is not uniform due to the immaturity of the perforation technology, and in the process of cold drawing the stainless steel hollow capillary, the drawing line is not consistent with the axis of the stainless steel hollow capillary, so that the problems of overlarge flexibility and non-uniform wall thickness of the stainless steel seamless steel tube after cold drawing are caused;

when the device works, the controller controls the pushing cylinder 32 to extend out, so that the pushing cylinder 32 pushes the chuck 31 to be close to the processing seat 2, the chuck 31 clamps one end of the stainless steel hollow capillary extending out of the processing seat 2, and at the moment, the pushing cylinder 32 is controlled to contract, so that the chuck 31 pulls the stainless steel hollow capillary to perform cold drawing; when the chuck 31 pulls the stainless steel hollow capillary to the correction module 4, the controller controls the first motor 44 to rotate, so that the first motor 44 drives the screw rod 42 to rotate and simultaneously drives the two clamping blocks 45 to approach each other, the correction block 46 at the lower end of the clamping block 45 synchronously approaches along with the clamping blocks 45, the roller 5 in the correction block 46 is driven by the correction block 46 to contact and clamp the stainless steel hollow capillary, the outer wall of the stainless steel hollow capillary is attached to the annular groove 51, and the stainless steel hollow capillary is pulled by the chuck 31 to extend and is in rolling contact with the roller 5, so that the roller 5 can roll and flatten the surface of the stainless steel hollow capillary; after the stainless steel hollow capillary is cold-drawn, taking out the stainless steel seamless steel tube from the chuck 31; at the moment, the controller controls the first motor 44 to rotate reversely, so that the clamping block 45 drives the two rollers 5 to reset;

according to the invention, through the arrangement of the correction module 4, the correction module 4 can roll and grind the surface of the stainless steel hollow capillary, so that the uniformity of the wall thickness of the surface of the stainless steel hollow capillary is improved, and the roller 5 can clamp the drawn stainless steel hollow capillary tightly, so that the roller 5 can support the stainless steel hollow capillary, the axes of the drawn line and the stainless steel hollow capillary are kept on the same horizontal line, and the flexibility of the stainless steel hollow capillary is reduced.

As an embodiment of the present invention, two opposite groove walls of the first groove 47 are provided with opposite sliding grooves 471; a sliding block 472 is slidably connected in the sliding groove 471; the sliding block 472 is fixedly connected with the bottom of the sliding groove 471 through a first spring 473; the roller 5 is rotatably connected with the sliding block 472; the arc-shaped plate 6 is arranged at the bottom of the first groove 47; the cross section of the arc-shaped plate 6 is semicircular; during operation, the controller controls the clamping block 45 to drive the two rollers 5 to clamp the stainless steel hollow capillary, so that the rollers 5 are in contact with the stainless steel hollow capillary, and the rollers 5 push the sliding block 472 to extrude the first spring 473 to move towards the bottom of the first groove 47 under the extrusion of the stainless steel hollow capillary until the rollers 5 are in contact with the arc-shaped plate 6; the arc-shaped end of the arc-shaped plate 6 is tightly attached to the groove wall of the annular groove 51 of the roller 5, and at the moment, along with the rotation of the roller 5, the arc-shaped plate 6 can scrape off the metal particles adhered to the surface of the roller 5; the controller controls the two rollers 5 to be away from each other, at this time, the sliding block 472 is reset under the action of the first spring 473, so that the rollers 5 are away from the arc-shaped plate 6 under the driving of the sliding block 472, and at this time, the workers clean the pushed metal particles on the surfaces of the rollers 5; according to the invention, through the arrangement of the arc-shaped plate 6, the arc-shaped plate 6 can scrape off metal particles on the surface of the roller 5, so that the metal particles falling off from the surface of the stainless steel hollow capillary are prevented from being adhered to the surface of the roller 5 and synchronously rotate along with the roller 5, thereby influencing the rolling effect of the roller 5 on the surface of the stainless steel hollow capillary and improving the practicability of the invention; and through mutually supporting between slider 472 and a spring 473 for arc 6 and gyro wheel 5 can separate, and then the staff of being convenient for clears up the metal particle, has reduced staff's intensity of labour.

As an embodiment of the present invention, a second groove 474 is formed at the bottom of the first groove 47; an arc-shaped plate 6 is connected in the second groove 474 in a sliding manner; the arc-shaped plate 6 is fixedly connected with the bottom of the second groove 474 through a second spring 61; a circular hole 62 is formed in the arc-shaped plate 6; the circular hole 62 is communicated with the second groove 474; when the device works, when the roller 5 is in contact with the arc-shaped plate 6, the roller 5 pushes the arc-shaped plate 6 to extrude the second spring 61 to move towards the bottom of the second groove 474, so that gas in the second groove 474 enters the round hole 62 under the extrusion of the arc-shaped plate 6, the gas is sprayed on the wall of the annular groove 51 through the round hole 62, dust and metal particles attached to the wall of the annular groove 51 fall off under the blowing of the gas, and the arc-shaped plate 6 is tightly attached to the wall of the annular groove 51; according to the invention, through the mutual matching between the arc-shaped plate 6 and the second groove 474, the gas in the second groove 474 can be sprayed onto the groove wall of the annular groove 51 through the circular hole 62, so that the gas can clean the groove wall of the annular groove 51, and therefore, a gap is prevented from being generated between the arc-shaped plate 6 and the groove wall of the annular groove 51 due to the blocking of metal particles, the scraping effect of the arc-shaped plate 6 on the metal particles is improved, and the rolling effect of the roller 5 on the surface of the stainless steel hollow capillary tube is further improved.

As an embodiment of the present invention, a corrugated air bag 7 is disposed between the two clamping blocks 45; the corrugated air bag 7 is sleeved on the screw rod 42 and the polished rod 43; the lower end of the corrugated air bag 7 is provided with an air hole 71; when the device works, the controller controls the two clamping blocks 45 to be close to each other, so that the corrugated air bag 7 is extruded, at the moment, the gas in the corrugated air bag 7 is sprayed downwards through the air holes 71, and the gas is sprayed on the surface of the stainless steel hollow capillary, so that metal particles attached to the surface of the stainless steel hollow capillary fall off under the blowing of the gas until the roller 5 is in contact with the surface of the stainless steel hollow capillary and is rolled; after the work is finished, the controller controls the clamping blocks 45 to be away from each other, so that the corrugated air bag 7 is continuously recovered while the corrugated air bag 7 moves along with the clamping blocks 45, and the next use is facilitated; according to the invention, through the arrangement of the corrugated air bag 7, the air in the corrugated air bag 7 is extruded by the clamping block 45 and is sprayed on the surface of the stainless steel hollow capillary, so that the surface cleaning of the stainless steel hollow capillary is improved, and the rolling effect of the roller 5 on the stainless steel hollow capillary is improved.

As an embodiment of the present invention, the air hole 71 in the center of the corrugated air bag 7 is vertically downward, the air holes 71 at both ends of the corrugated air bag 7 are inclined toward the stainless steel seamless steel pipe, and the inclination angle of the air holes 71 is gradually decreased with the distance from the center of the corrugated air bag 7; when the device works, metal particles on the upper surface of the stainless steel hollow capillary are supported by the stainless steel hollow capillary and are not easy to fall off, when gas in the corrugated air bag 7 is sprayed out through the air holes 71, the gas sprayed out from the air holes 71 in the center of the corrugated air bag 7 is vertically sprayed to the upper surface of the stainless steel hollow capillary, the gas sprayed out from the air holes 71 on two sides of the corrugated air bag 7 is sprayed to the stainless steel hollow capillary, so that the gas in the corrugated air bag 7 can be intensively sprayed to the stainless steel hollow capillary, the cleaning effect of the gas in the corrugated air bag 7 on the stainless steel hollow capillary is improved, the gas in the corrugated air bag 7 is gathered towards the middle along with the continuous extrusion of the clamping block 45 on the corrugated air bag 7, at the moment, the air holes 71 on two ends of the corrugated air bag 7 are continuously closed under the contraction of the corrugated air bag 7, so that the gas in the corrugated air bag 7 is intensively sprayed out from the air holes 71 in the center, further improving the cleaning effect of the central air hole 71 on the surface of the stainless steel hollow capillary and leading the metal particles on the upper surface of the stainless steel hollow capillary to fall off.

As an embodiment of the present invention, a lubricating oil 475 is disposed in the second groove 474; the outer wall of the correcting block 46 is provided with an inclined groove 461; the chute 461 is communicated with the second groove 474; a sealing plug 462 is slidably connected to one end of the inclined groove 461, which is far away from the second groove 474; when the roller 5 presses the arc-shaped plate 6 to enter the second groove 474, the arc-shaped plate 6 presses the lubricating oil 475 in the second groove 474, so that the lubricating oil 475 in the second groove 474 is sprayed on the groove wall of the annular groove 51 through the round hole 62, and the lubricating oil 475 can be uniformly smeared on the groove wall of the annular groove 51 along with the rotation of the roller 5; when the lubricant 475 in the second groove 474 needs to be added, the worker opens the sealing plug 462, pours the lubricant 475 into the second groove 474 through the inclined groove 461 until the lubricant 475 fills the second groove 474, and then plugs the sealing plug 462 into the inclined groove 461; according to the invention, through the arrangement of the lubricating oil 475, on one hand, the friction force between the arc-shaped plate 6 and the annular groove 51 is reduced, so that the abrasion of the arc-shaped plate 6 is reduced, the service life of the arc-shaped plate 6 is prolonged, and on the other hand, the friction force between the roller 5 and the stainless steel hollow capillary is reduced, so that the rolling effect of the roller 5 on the stainless steel hollow capillary is improved.

The specific working process is as follows:

the controller controls the pushing cylinder 32 to extend out, so that the pushing cylinder 32 pushes the chuck 31 to be close to the processing seat 2, the chuck 31 clamps one end of the stainless steel hollow capillary extending out of the processing seat 2, and at the moment, the pushing cylinder 32 is controlled to contract, so that the chuck 31 pulls the stainless steel hollow capillary to perform cold drawing; when the chuck 31 pulls the stainless steel hollow capillary to the correction module 4, the controller controls the first motor 44 to rotate, so that the first motor 44 drives the screw rod 42 to rotate and simultaneously drives the two clamping blocks 45 to approach each other, the correction block 46 at the lower end of the clamping block 45 synchronously approaches along with the clamping blocks 45, the roller 5 in the correction block 46 is driven by the correction block 46 to contact and clamp the stainless steel hollow capillary, the outer wall of the stainless steel hollow capillary is attached to the annular groove 51, and the stainless steel hollow capillary is pulled by the chuck 31 to extend and is in rolling contact with the roller 5, so that the roller 5 can roll and flatten the surface of the stainless steel hollow capillary; after the stainless steel hollow capillary is cold-drawn, taking out the stainless steel seamless steel tube from the chuck 31; at the moment, the controller controls the first motor 44 to rotate reversely, so that the clamping block 45 drives the two rollers 5 to reset; the controller controls the clamping block 45 to drive the two rollers 5 to clamp the stainless steel hollow capillary, so that the rollers 5 are in contact with the stainless steel hollow capillary, and the rollers 5 push the sliding block 472 to extrude the first spring 473 to move towards the bottom of the first groove 47 under the extrusion of the stainless steel hollow capillary until the rollers 5 are in contact with the arc-shaped plate 6; the arc-shaped end of the arc-shaped plate 6 is tightly attached to the groove wall of the annular groove 51 of the roller 5, and at the moment, along with the rotation of the roller 5, the arc-shaped plate 6 can scrape off the metal particles adhered to the surface of the roller 5; the controller controls the two rollers 5 to be away from each other, at this time, the sliding block 472 is reset under the action of the first spring 473, so that the rollers 5 are away from the arc-shaped plate 6 under the driving of the sliding block 472, and at this time, the workers clean the pushed metal particles on the surfaces of the rollers 5; when the roller 5 is in contact with the arc-shaped plate 6, the roller 5 pushes the arc-shaped plate 6 to extrude the second spring 61 to move towards the bottom of the second groove 474, so that the gas in the second groove 474 enters the circular hole 62 under the extrusion of the arc-shaped plate 6, the gas is sprayed on the wall of the annular groove 51 through the circular hole 62, dust and metal particles attached to the wall of the annular groove 51 fall off under the blowing of the gas, and the arc-shaped plate 6 is tightly attached to the wall of the annular groove 51; the controller controls the two clamping blocks 45 to be close to each other, so that the corrugated air bag 7 is extruded, and at the moment, the gas in the corrugated air bag 7 is sprayed downwards through the gas hole 71, so that the gas is sprayed on the surface of the stainless steel hollow capillary, and the metal particles attached to the surface of the stainless steel hollow capillary fall off under the blowing of the gas until the roller 5 is in contact with the surface of the stainless steel hollow capillary and is rolled; after the work is finished, the controller controls the clamping blocks 45 to be away from each other, so that the corrugated air bag 7 is continuously recovered while the corrugated air bag 7 moves along with the clamping blocks 45, and the next use is facilitated; the metal particles on the upper surface of the stainless steel hollow capillary are supported by the stainless steel hollow capillary and are not easy to fall off, when the gas in the corrugated air bag 7 is sprayed out through the gas holes 71, the gas sprayed out from the gas holes 71 in the center of the corrugated air bag 7 is vertically sprayed to the upper surface of the stainless steel hollow capillary, and the gas sprayed out from the gas holes 71 on the two sides of the corrugated air bag 7 is sprayed to the stainless steel hollow capillary, so that the gas in the corrugated air bag 7 can be intensively sprayed to the stainless steel hollow capillary, the cleaning effect of the gas in the corrugated air bag 7 on the stainless steel hollow capillary is improved, and the gas in the corrugated air bag 7 is converged towards the middle along with the continuous extrusion of the clamping block 45 on the corrugated air bag 7, at the moment, the gas holes 71 on the two ends of the corrugated air bag 7 are continuously closed under the contraction of the corrugated air bag 7, so that the gas in the corrugated air bag 7 is intensively sprayed out from the gas holes 71 in the center; when the roller 5 extrudes the arc-shaped plate 6 to enter the second groove 474, the arc-shaped plate 6 extrudes the lubricating oil 475 in the second groove 474, so that the lubricating oil 475 in the second groove 474 is sprayed on the groove wall of the annular groove 51 through the round hole 62, and the lubricating oil 475 can be uniformly coated on the groove wall of the annular groove 51 along with the rotation of the roller 5; when the lubricant 475 in the second groove 474 needs to be added, the worker opens the sealing plug 462, pours the lubricant 475 through the inclined groove 461 until the lubricant 475 fills the second groove 474, and then plugs the sealing plug 462 into the inclined groove 461.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.