CN112077681A

CN112077681A - Automatic change spiral steel pipe polisher

Info

Publication number: CN112077681A
Application number: CN202010906460.6A
Authority: CN
Inventors: 宗燕明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2020-12-15

Abstract

The invention discloses an automatic spiral steel pipe polishing machine which comprises an inner diameter polishing mechanism, a driving clamping mechanism, a follow-up clamping mechanism and an outer diameter polishing mechanism. The driving clamping mechanism and the follow-up clamping mechanism are fixed stations of the spiral steel pipe, the function of clamping different outer diameters can be achieved, the outer diameter polishing mechanism and the inner diameter polishing mechanism are both servo control systems, and can be matched with the clamping mechanism to perform rotary polishing action to complete the function of the equipment.

Description

Automatic change spiral steel pipe polisher

Technical Field

The invention relates to the technical field of mechanical automation, in particular to an automatic spiral steel pipe grinding machine.

Background

At spiral steel pipe machining's during operation, because spiral steel pipe weight is heavy, artifical inefficiency, the level of processing is uneven, leads to when spiral steel pipe welding, and the steel pipe butt joint external diameter is different, is difficult to the welding, in order to solve this kind of problem, application number: CN105415128A discloses a steel tube polisher, which adopts a mode of polishing by machine head movement, and to a certain extent, achieves uniformity of polishing precision, but the device lacks a mechanism for fixing a product, and the machine head running at high speed may cause the product to jump out of a station, and in addition, the device also lacks polishing of the inner wall of a spiral steel tube.

Disclosure of Invention

The invention provides an automatic spiral steel pipe polishing machine aiming at the technical problems, which comprises an inner diameter polishing mechanism, a driving clamping mechanism, a follow-up clamping mechanism and an outer diameter polishing mechanism.

The inner diameter polishing mechanism comprises an inner diameter polishing rack, an inner diameter polishing gear, a polishing guide sleeve mounting block, a polishing guide sleeve, a polishing rod, an inner diameter polishing bottom plate, a dovetail groove guide strip, an inner meshing gear ring, an inner meshing gear, an inner diameter polishing mechanism welding frame, a polishing transmission rod bearing, a polishing transmission rod, a transmission belt wheel, a driving motor, a transmission belt, a rotating shaft sleeve, a main shaft bearing, a cover plate, a lifting cylinder, a cylinder connecting plate, a floating joint, a flange base, a displacement module mounting plate, a lifting guide rod and an inner diameter polishing module, wherein the inner diameter polishing racks are symmetrically mounted on the side surface of the dovetail groove guide strip and fixedly assembled through threads, the inner diameter polishing gear is matched at the front end of the polishing transmission rod through a central hole, the polishing guide sleeve mounting block is fixedly mounted at the front end of the inner diameter polishing bottom plate through a screw and, and the screw thread glue is needed to be injected, the center of the front end of the polishing rod is concentrically matched in the inner hole of the polishing guide sleeve, the screw thread glue is tightly matched and needs to be injected, the tight-matching center of the inner diameter polishing bottom plate is concentrically matched in the inner hole of the main shaft bearing, the screw thread glue is needed to be injected, the dovetail groove guide strip is fixed at the front end of the inner diameter polishing bottom plate through threads and a positioning pin, the inner meshing gear ring is closely matched in the rear process hole of the inner diameter polishing bottom plate, the center of the inner meshing gear ring is concentrically matched at the front end of the polishing transmission rod, the inner meshing gear ring is positioned through an on-shaft key groove and meshed with the ruler surface of the inner meshing gear ring, the welding frame of the inner diameter polishing mechanism is arranged at the bottom surface and fixed by driving chemical bolts, the center of the bearing of the polishing transmission, the center of the front end of a transmission belt wheel is concentrically matched at the rear end of a polishing transmission rod and is positioned by an on-shaft key groove, a driving motor is arranged on the surface of a cover plate by threads, the centers of two ends of a transmission belt are concentrically matched with the transmission belt wheel, the tooth surfaces of the transmission belt wheel are mutually meshed, a rotating shaft sleeve is used as a main supporting mechanism of the mechanism, a polishing transmission rod bearing, a polishing guide sleeve mounting block, a dovetail groove guide strip and the like are all arranged on the transmission belt wheel, the main shaft bearing is tightly matched in the transmission belt wheel and needs to be injected with thread glue, the center of the main shaft bearing is concentrically matched with the outer surface of an inner diameter polishing bottom plate and needs to be tightly matched, the cover plate is fixed on the side surface of the rotating shaft sleeve by threads and a positioning pin, the centers are concentrically matched, an ascending air cylinder is arranged on the upper surface of, the concentric cooperation in flange base center is in ascending guide arm bottom, installs at displacement module mounting panel upper surface through the screw thread, and displacement module mounting panel passes through the screw thread to be fixed at the internal diameter module displacement bench of polishing with the locating pin, and the concentric cooperation in flange base in ascending guide arm center needs the tight fit to satisfy the sliding fit precision, and the internal diameter module of polishing passes through the screw thread to be installed at internal diameter grinding machanism and welds a frame upper surface.

The drive clamp mechanism includes: the clamping gear ring, the clamping gear, the clamping rack, the clamping internal gear, the driving gear, the clamping jaw, the harmonic gear shaft, the clamping mechanism cover plate, the gear bearing, the large disc, the gear ring bearing, the screwing rod, the clamping mechanism bottom plate, the driving rotating shaft, the rotating flange plate, the main shaft rotating bearing, the driven sprocket, the driving sprocket, the main shaft motor, the chain and the welding frame of the driving clamping mechanism are arranged in a way that the center of the clamping gear ring is concentrically matched and tightly matched in an inner hole of the gear ring bearing, thread glue needs to be injected, the clamping gear is concentrically matched at the center of the front end of the rotating shaft in a way that the clamping gear is positioned through an on-shaft key groove, the clamping rack is assembled between the two clamping gears, the teeth at two sides are meshed with the clamping gear, the clamping internal gear is concentrically matched with the center of the clamping gear, the driving gear is tangent to, the bottom of a clamping jaw is arranged on the side surface of a clamping rack through threads, the center of a harmonic gear shaft is concentrically matched in a process hole of a clamping mechanism bottom plate, a clamping mechanism cover plate is arranged on the bottom surface of the clamping mechanism bottom plate through threads, the center of a gear bearing is concentrically matched in a clamping gear and needs to be injected with thread glue, a large disc is fixed on the side surface of the clamping mechanism bottom plate through threads and a positioning pin, a gear ring bearing is concentrically matched with the center of a clamping gear ring and is concentrically matched with the center of an inner hole of the clamping mechanism bottom plate, the scale surface of a tightening rod is meshed with the scale surface of the harmonic gear shaft, a reference circle is tangent, the clamping mechanism bottom plate is fixed on the bottom surface of the large disc through threads and the positioning pin and is connected with the large disc and a rotary flange plate, the center of a driving, the concentric cooperation in its inner bore center is at main shaft slew bearing's external diameter, the concentric cooperation in main shaft slew bearing center is at drive pivot both ends, need the tight fit, and need pour into the thread glue into, the concentric cooperation in driven sprocket center is in drive pivot, the excircle flank of tooth meshes with the chain, same horizontal plane is guaranteed with driven sprocket to drive sprocket, the concentric cooperation in center is on the spindle motor main shaft, spindle motor passes through chemical bolt fastening chain both ends and drive sprocket on the bottom surface, driven sprocket meshes, drive clamping mechanism welds the main support part as the mechanism, through throwing into chemical bolt fastening subaerial.

The follow-up clamping mechanism comprises: the servo mechanism welding frame is used as a main supporting part of the mechanism and is arranged on the upper surface of the slide rail through threads, the slide rail is fixed on the upper surface of the slide rail cushion block through threads and a positioning pin, the transverse moving motor mounting plate is fixed on the side surface of the servo mechanism welding frame through threads and a positioning pin, a center hole of the transverse moving motor mounting plate is concentrically matched with the center of a main shaft of the transverse moving motor, the transverse moving motor is arranged on the upper surface of the transverse moving motor mounting plate through threads, the center hole of the transverse moving gear is concentrically matched on the main shaft of the transverse moving motor and is positioned through an on-shaft key groove, threaded glue needs to be injected, the transverse moving rack is fixed on the bottom surface of the servo chuck mounting plate through threads and the positioning pin, and the slide rail cushion block is arranged on the bottom surface of the slide rail through threads, the servo chuck mounting base plate is mounted on the upper surface of a servo chuck supporting welding frame through threads, and the servo chuck supporting welding frame needs to be driven into a chemical bolt fixing position on the ground.

The outer diameter grinding mechanism comprises: the outer diameter polishing disc, the outer diameter polishing motor, the rotating shaft, the polishing disc fixing flange, the mechanism welding frame, the displacement module, the module mounting plate and the material blocking sheet metal, wherein the center of the outer diameter polishing disc is concentrically matched on a main shaft of the outer diameter polishing motor, the two sides of the outer diameter polishing disc fixing flange are required to be fixed in position, the outer diameter polishing motor is arranged on the upper surface of the mechanism welding frame through threads, the center of the rotating shaft is concentrically matched in an inner hole of the outer diameter polishing motor and is positioned through an on-shaft key groove, in addition, threaded glue is required to be injected, the polishing disc fixing flanges are symmetrically arranged on the two sides of the outer diameter polishing disc and are fixed with the positioning pins through threads, main supporting parts of the mechanism welding frame mechanism are fixed on the upper surface of the module mounting plate through threads and the positioning pins, the material blocking metal plate is arranged on the slide rail and can be pushed and pulled back and forth.

Furthermore, the rising cylinder need use both ends position lockable, take the cylinder of two kinds of functions of gas buffering, guarantee the stability and the accuracy of internal diameter grinding machanism during operation.

Furthermore, the inner diameter polishing gear and the side surface of the polishing guide sleeve mounting block are processed in a dovetail groove shape, so that the sliding fit function is guaranteed, and the axial force can be borne.

Furthermore, the inner meshing gear and the inner meshing gear ring are in tooth meshing fit, the teeth of the two parts need to adopt a quenching surface treatment process, the hardness is improved, and the service life of the mechanism is prolonged.

Furthermore, the clamping rack, the driving gear, the clamping gear and the clamping inner gear are heavy-load stressed parts and all need surface treatment quenching technology.

Furthermore, the central holes of the clamping gear and the clamping inner gear need to be kept concentric, the clamping gear and the clamping inner gear are both in key groove fixing positions on the same shaft, and a spring pin is driven in.

Furthermore, the parallelism of the slide rail needs to be guaranteed during installation, and a dial indicator is matched with installation control tolerance during assembly.

Further, the external diameter grinding disc is symmetrically installed, and the inner hole of the external diameter grinding disc is matched with the external diameter of the rotating shaft in a tight fit mode, so that the stability of the two grinding discs and the reduced shaking during high-speed rotation are guaranteed.

Due to the adoption of the technical scheme, the invention has the following advantages.

(1) The invention can meet the requirements of clamping and processing spiral steel pipes with different outer diameters and different lengths.

(2) The invention not only can polish the outer diameter of the spiral steel pipe, but also can meet the polishing requirement of the inner diameter of the spiral steel pipe.

(3) The driving ends of the transverse moving mechanism are all servo control systems, so that the processing progress is ensured.

(4) The outer diameter grinding mechanism of the invention uses the double grinding discs, and the two grinding discs have different surface roughness, so that the grinding of the surface of the processed spiral steel pipe is more precise.

Drawings

FIG. 1 is an overall schematic view of the present invention. .

FIG. 2 is a schematic view of the inner diameter grinding mechanism of the present invention.

FIG. 3 is a schematic diagram of the main working mechanism of the inner diameter grinding mechanism of the present invention.

Figure 4 is a front schematic view of the internal structure of the drive end of the inner diameter grinding mechanism of the present invention.

Fig. 5 is a rear schematic view of the internal structure of the driving end of the internal diameter grinding mechanism of the present invention.

FIG. 6 is a schematic view of the driving clamping mechanism of the present invention.

FIG. 7 is a schematic view of the driving end structure of the driving clamping mechanism of the present invention.

FIG. 8 is a schematic view of a follower fixture of the present invention.

Figure 9 is a schematic view of an outer diameter grinding mechanism of the present invention.

Reference numerals: 1-an inner diameter polishing mechanism; 2-driving the clamping mechanism; 3-a follow-up clamping mechanism; 4-an outer diameter polishing mechanism; 101-polishing the rack in the inner diameter; 102-grinding the gear with the inner diameter; 103-polishing the guide sleeve mounting block; 104-polishing the guide sleeve; 105-a grinding bar; 106-inner diameter grinding of the bottom plate; 107-dovetail groove guide bars; 108-internal meshing gear ring; 109-ring gear; 110-inner diameter grinding mechanism welding frame; 111-grinding the drive rod bearing; 112-polishing the transmission rod; 113-a drive pulley; 114-a drive motor; 115-a drive belt; 116-a rotating shaft sleeve; 117 — main shaft bearing; 118-a cover plate; 119-a lifting cylinder; 120-cylinder connection plate; 121-a floating joint; 122-flange base; 123-displacement module mounting plate; 124-lifting guide rod; 125-inner diameter grinding module; 201-clamping the gear ring; 202-a clamping gear; 203-clamping rack; 204-clamping the inner gear; 205-a drive gear; 206-a clamping jaw; 207-harmonic gear shaft; 208-a clamping mechanism cover plate; 209-gear bearing; 210-large disc; 211-toothed ring bearings; 212-tightening rod; 213-clamping mechanism base plate; 214-a drive shaft; 215-rotating flange plate; 216-main shaft rotation bearing; 217-driven sprocket; 218-a drive sprocket; 219-spindle motor; 220-a chain; 221-driving the clamping mechanism welding frame; 301-servo mechanism welding frame; 302-a slide rail; 303-traversing motor mounting plate; 304-a traverse motor; 305-a traverse gear; 306-traversing the rack; 307-slide rail cushion blocks; 308-a follow-up chuck mounting bottom plate; 309-servo chuck supporting welding frame; 401-outer diameter grinding disc; 402-grinding the motor with the outer diameter; 403-a rotation axis; 404-polishing the disc fixing flange; 405-mechanism welding frame; 406-a displacement module; 407-module mounting plate; 408-material blocking metal plates.

Detailed Description

The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.

Example (b): as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9. An automatic spiral steel pipe polisher comprises an inner diameter polishing mechanism 1, a driving clamping mechanism 2, a follow-up clamping mechanism 3 and an outer diameter polishing mechanism 4.

The inner diameter grinding mechanism 1 has the specific structure as shown in fig. 2, 3, 4 and 5, inner diameter grinding racks 101 are symmetrically arranged on the side surfaces of dovetail groove guide bars 107 and fixedly assembled through threads, an inner diameter grinding gear 102 is matched at the front end of a grinding transmission rod 112 through a central hole, a grinding guide sleeve mounting block 103 is fixedly arranged at the front end of an inner diameter grinding bottom plate 106 through screws and positioning pins by means of a key slot fixing position on the grinding transmission rod 112, the center of a grinding guide sleeve 104 is concentrically matched in the inner hole of the grinding guide sleeve mounting block 103 and needs to be injected with thread glue, the center of the front end of a grinding rod 105 is concentrically matched in the inner hole of the grinding guide sleeve 104 and needs to be injected with thread glue, the inner diameter grinding bottom plate 106 is concentrically matched in the inner hole of a main shaft bearing 117 and needs to be injected with thread glue, the dovetail groove guide bars 107 are fixed at the, the guide bar adopts a dovetail groove design, the part is taken as a main stress point of the polishing rod, simultaneously, the function of up-and-down movement needs to be completed, and the part is stressed in both radial and axial directions, so the design of the dovetail groove is more suitable, an inner gearing gear ring 108 is tightly matched in a center concentric fit in a process hole at the rear end of an inner diameter polishing bottom plate 106, the center of an inner gearing gear 109 is concentrically matched at the front end of a polishing transmission rod 112, positioned by an on-shaft key groove and meshed with the ruler surface of the inner gearing gear ring 108, an inner diameter polishing mechanism welding frame 110 is arranged at the bottom surface and fixed by a chemical bolt, the center of a polishing transmission rod bearing 111 is concentrically matched between the inner diameter polishing bottom plate 106 and the polishing transmission rod 112, the polishing transmission rod 112 is fixedly arranged at the center of the front end of the polishing transmission rod bearing 111, and, positioning is carried out through a key groove on a shaft, a driving motor 114 is arranged on the surface of a cover plate 118 through threads, centers of two ends of a driving belt 115 are concentrically matched with a driving belt wheel 113, tooth surfaces of the driving belt wheel are mutually meshed, a rotating shaft sleeve 116 is used as a main supporting mechanism of the mechanism, a polishing driving rod bearing 111, a polishing guide sleeve 104, a polishing guide sleeve mounting block 103, a dovetail groove guide strip 107 and the like are all arranged on the rotating shaft sleeve, a main shaft bearing 117 is tightly matched in the main supporting mechanism and needs to be injected with thread glue, the center of the main shaft bearing 117 is concentrically matched on the outer surface of an inner diameter polishing bottom plate 106 and needs to be tightly matched, the cover plate 118 is fixed on the side surface of the rotating shaft sleeve 116 through threads and is concentrically matched with the center, an ascending air cylinder 119 is arranged on the upper surface of a displacement module mounting plate 123 through threads, two process holes are arranged on an air cylinder connecting plate 120, the concentric cooperation in flange base 122 center is in ascending guide arm 124 bottom, install at displacement module mounting panel 123 upper surface through the screw thread, displacement module mounting panel 123 passes through the screw thread and fixes at internal diameter polishing module 125 displacement bench with the locating pin, the concentric cooperation in flange base 122 in ascending guide arm 124 center, it satisfies the sliding fit precision to need the tight-fit, internal diameter polishing module 125 passes through the screw thread and installs at internal diameter polishing mechanism welding frame 110 upper surface, two types of motors that this station used are servo control motor and have the brake function, guarantee can not influence the processing of product because of the bad phenomenon that the effect of centripetal force produced the pine and take off at high-speed rotatory in-process, the while is also can improve the efficiency of processing at the mode of two symmetry polishing head intervals of control motor.

The specific structure of the driving clamping mechanism 2 is as shown in fig. 6 and 7, the center of a clamping gear ring 201 is concentrically matched and tightly fitted in an inner hole of a gear ring bearing 211, threaded glue needs to be injected, a clamping gear 202 is tightly matched and concentrically fitted in the center of the front end of a rotating shaft, a clamping rack 203 is assembled between two clamping gears 202 through the positioning of an on-shaft key groove, teeth on two sides are meshed with the clamping gear 202, a clamping inner gear 204 is concentrically matched with the center of the clamping gear 202, a driving gear 205 is tangent to a reference circle of a group of clamping racks 203 through the positioning of the on-shaft key groove, gears are mutually meshed, a plurality of groups of gear racks are mutually meshed to realize the clamping function of the station, a gear meshing mode is selected to finish the clamping function mainly considering that a certain centripetal force can be generated when a motor drives the mechanism to run at a high speed, the gears have a self-, the clamping jaws 206 are tightly matched in the sliding grooves of the large disc 210, the bottoms of the clamping jaws 206 are arranged on the side surfaces of the clamping racks 203 through threads, the centers of the harmonic gear shafts 207 are concentrically matched in the process holes of the clamping mechanism bottom plate 213, the clamping mechanism cover plate 208 is arranged on the bottom surface of the clamping mechanism bottom plate 213 through threads, the centers of the gear bearings 209 are concentrically matched in the clamping gear 202 and need to be injected with thread glue, the large disc 210 is fixed on the side surfaces of the clamping mechanism bottom plate 213 through threads and a positioning pin, the gear ring bearing 211 is concentrically matched with the center of the inner hole of the clamping mechanism bottom plate 213 and is concentrically matched with the center of the clamping mechanism bottom plate 213, the scale surface of the tightening rod 212 is meshed with the scale surface of the harmonic gear shaft 207 and is tangent to an indexing circle, the clamping mechanism bottom plate 213 is fixed on the bottom surface of the large disc 210 through threads and the positioning pin, the rotary flange plate 215 is fixedly installed on the bottom surface of a bottom plate 213 of the clamping mechanism through threads and positioning pins, the center of an inner hole of the rotary flange plate is concentrically matched with the outer diameter of a main shaft rotary bearing 216, the center of the main shaft rotary bearing 216 is concentrically matched with two ends of a driving rotating shaft 214, needs to be tightly matched and needs to be injected with thread glue, the center of a driven sprocket 217 is concentrically matched on the driving rotating shaft 214, the outer circle tooth surface is meshed with a chain 220, the driving sprocket 218 and the driven sprocket 217 ensure the same horizontal plane, the center is concentrically matched on a main shaft of a main shaft motor 219, the main shaft motor 219 is fixed on the bottom surface through chemical bolts, two ends of the chain 220 are meshed with the driving sprocket 218 and the driven sprocket 217, a welding frame 221 of the driving clamping mechanism is used as a main supporting part of the mechanism, the driving motor of, the speed regulating motor can effectively reduce the cost and improve the accuracy of automatic control.

The following clamping mechanism 3 is specifically structured as shown in fig. 8, a following mechanism welding frame 301 as a main supporting part of the mechanism is installed on the upper surface of a sliding rail 302 through threads, the sliding rail 302 is fixed on the upper surface of a sliding rail cushion block 307 through threads and a positioning pin, a traverse motor mounting plate 303 is fixed on the side surface of the following mechanism welding frame 301 through threads and a positioning pin, a center hole thereof is concentrically matched with the center of a main shaft of the traverse motor 304, the traverse motor 304 is installed on the upper surface of the traverse motor mounting plate 303 through threads, the motor is a servo control system with a brake, a traverse distance is calculated by a servo drive system, the function of processing with multiple lengths is realized, the precision is ensured, a traverse gear 305 is concentrically matched on the main shaft of the traverse motor 304 through an on-shaft key groove for positioning, and threaded glue is required to be injected, a traverse rack 306 is fixed on the bottom surface of a following chuck mounting, the slide rail cushion block 307 is installed on the bottom surface of the slide rail 302 through threads, and is fixed on the upper surface of the follow-up chuck mounting base plate 308 through threads and a positioning pin, the follow-up chuck mounting base plate 308 is installed on the upper surface of the follow-up chuck support welding frame 309 through threads, and the follow-up chuck support welding frame 309 needs to be fixed in position by driving chemical bolts into the ground.

The specific structure of the outer diameter grinding mechanism 4 is shown in fig. 9, the center of an outer diameter grinding disc 401 is concentrically fitted on a main shaft of an outer diameter grinding motor 402, the grinding discs are symmetrically installed in the same row, in addition, the surface roughness of the two grinding discs is different, the mechanism does reciprocating motion when in work, the function of the double grinding discs can enable the grinding of equipment to be more precise and more efficient, the fixing positions of the grinding disc fixing flanges 404 are needed on two sides, the outer diameter grinding motor 402 is installed on the upper surface of a mechanism welding frame 405 through threads, the center of a rotating shaft 403 is concentrically fitted in an inner hole of the outer diameter grinding motor 402, the inner hole is positioned through an on-shaft key groove, and threaded glue needs to be injected, the grinding disc fixing flanges 404 are symmetrically installed on two sides of the outer diameter grinding disc 401 and fixed with positioning pins through threads, main supporting parts of the mechanism welding frame 405 mechanism are fixed on the upper surface of, the module mounting plate 407 is fixedly mounted on the displacement sliding table of the displacement module 406 through threads and positioning pins, and the material blocking metal plate 408 is mounted on the sliding rail and can be pushed and pulled back and forth.

Claims

1. An automatic spiral steel pipe polishing machine comprises an inner diameter polishing mechanism (1), a driving clamping mechanism (2), a follow-up clamping mechanism (3) and an outer diameter polishing mechanism (4);

the inner diameter grinding mechanism (1) comprises an inner diameter grinding rack (101), an inner diameter grinding gear (102), a grinding guide sleeve mounting block (103), a grinding guide sleeve (104), a grinding rod (105), an inner diameter grinding bottom plate (106), a dovetail groove guide strip (107), an inner meshing gear ring (108), an inner meshing gear (109), an inner diameter grinding mechanism welding frame (110), a grinding transmission rod bearing (111), a grinding transmission rod (112), a transmission belt wheel (113), a driving motor (114), a transmission belt (115), a rotation shaft sleeve (116), a main shaft bearing (117), a cover plate (118), a lifting cylinder (119), a cylinder connecting plate (120), a floating joint (121), a flange base (122), a displacement module mounting plate (123), a lifting guide rod (124) and an inner diameter grinding module (125), wherein the inner diameter grinding racks (101) are symmetrically arranged on the side surface of the dovetail groove guide strip (107), an inner diameter grinding gear (102) is matched at the front end of a grinding transmission rod (112) through a central hole, a grinding guide sleeve mounting block (103) is fixedly mounted at the front end of an inner diameter grinding bottom plate (106) through screws and positioning pins by means of fixing positions of key grooves on the grinding transmission rod (112), the center of a grinding guide sleeve (104) is concentrically matched in an inner hole of the grinding guide sleeve mounting block (103) and needs to be injected with thread glue, the center of the front end of a grinding rod (105) is concentrically matched in the inner hole of the grinding guide sleeve (104) and needs to be tightly matched and needs to be injected with thread glue, the tight matching center of the inner diameter grinding bottom plate (106) is concentrically matched in an inner hole of a main shaft bearing (117) and needs to be injected with thread glue, a dovetail groove guide strip (107) is fixed at the front end of the inner diameter grinding bottom plate (106) through threads and a positioning pin, and a gear ring gear (, the center of an inner gear (109) is concentrically matched at the front end of a polishing transmission rod (112) and positioned through an on-shaft key groove and is meshed with the ruler surface of an inner gear ring (108), an inner diameter polishing mechanism welding frame (110) is installed at the bottom surface and is fixed by driving chemical bolts, the center of a polishing transmission rod bearing (111) is concentrically matched between an inner diameter polishing bottom plate (106) and the polishing transmission rod (112), the polishing transmission rod (112) is fixedly installed at the center of the front end of the polishing transmission rod bearing (111) and is concentrically matched and needs to be injected with thread rubber, the center of the front end of a transmission belt wheel (113) is concentrically matched at the rear end of the polishing transmission rod (112) and is positioned through the on-shaft key groove, a driving motor (114) is installed on the surface of a cover plate (118) through threads, the centers of two ends of the transmission belt (115) are concentrically matched with the transmission belt, a grinding transmission rod bearing (111), a grinding guide sleeve (104), a grinding guide sleeve mounting block (103), a dovetail groove guide strip (107) and the like are arranged on the grinding transmission rod bearing, a main shaft bearing (117) is tightly matched in the grinding transmission rod bearing, thread glue needs to be injected, the center of the main shaft bearing (117) is concentrically matched on the outer surface of an inner diameter grinding bottom plate (106) and needs to be tightly matched, a cover plate (118) is fixed on the side surface of a rotating shaft sleeve (116) through threads and a positioning pin, the center is concentrically matched, a lifting cylinder (119) is arranged on the upper surface of a displacement module mounting plate (123) through threads, two process holes are arranged on a cylinder connecting plate (120) through threads, the two process holes are concentrically matched with the center of a lifting guide rod (124), a floating joint (121) is arranged at the front end of the upper surface of the rotating shaft sleeve (116) through threads to connect the lifting cylinder (119) with the rotating, the inner diameter polishing mechanism is characterized in that the inner diameter polishing mechanism is arranged on the upper surface of a displacement module mounting plate (123) through threads, the displacement module mounting plate (123) is fixed on an inner diameter polishing module (125) displacement table through threads and a positioning pin, the center of a lifting guide rod (124) is concentrically matched in a flange base (122) and needs to be tightly matched to meet the sliding matching precision, and the inner diameter polishing module (125) is arranged on the upper surface of a welding frame (110) of the inner diameter polishing mechanism through threads;

the drive clamping mechanism (2) comprises: the clamping gear ring (201), the clamping gear (202), the clamping rack (203), the clamping inner gear (204), the driving gear (205), the clamping jaw (206), the harmonic gear shaft (207), the clamping mechanism cover plate (208), the gear bearing (209), the large disc (210), the gear ring bearing (211), the tightening rod (212), the clamping mechanism bottom plate (213), the driving rotating shaft (214), the rotating flange plate (215), the main shaft rotating bearing (216), the driven sprocket (217), the driving sprocket (218), the main shaft motor (219), the chain (220) and the driving clamping mechanism welding frame (221), wherein the center of the clamping gear ring (201) is concentrically matched and tightly matched in the inner hole of the gear ring bearing (211) and needs to be injected with thread rubber, the clamping gear (202) is tightly matched in the center of the front end of the rotating shaft in a concentric manner and is positioned through a key groove on the shaft, the clamping rack (203) is assembled between, the teeth on two sides are meshed with a clamping gear (202), an internal clamping gear (204) is concentrically matched with the center of the clamping gear (202) and is positioned through an on-shaft keyway, a driving gear (205) is tangent to reference circles of a group of clamping racks (203), the gears are mutually meshed, clamping jaws (206) are tightly matched in a chute of a large disc (210), the bottoms of the clamping jaws (206) are arranged on the side surface of the clamping racks (203) through threads, the center of a harmonic gear shaft (207) is concentrically matched in a process hole of a clamping mechanism bottom plate (213), a clamping mechanism cover plate (208) is arranged on the bottom surface of the clamping mechanism bottom plate (213) through threads, the center of a gear bearing (209) is concentrically matched in the clamping gear (202) and is required to be injected with thread glue, the large disc (210) is fixed on the side surface of the clamping mechanism bottom plate (213) through threads and a positioning pin, and a gear ring bearing (, the driving shaft is concentrically matched with the inner hole center of a clamping mechanism bottom plate (213), the scale surface of a screwing rod (212) is meshed with the scale surface of a harmonic gear shaft (207), reference circles are tangent, the clamping mechanism bottom plate (213) is fixed on the bottom surface of a large disc (210) through threads and positioning pins to be connected with the large disc (210) and a rotating flange plate (215), the center of a driving rotating shaft (214) is concentrically matched in the inner hole of a clamping mechanism cover plate (208) and needs to be tightly installed, the rotating flange plate (215) is fixedly installed on the bottom surface of the clamping mechanism bottom plate (213) through threads and positioning pins, the center of the inner hole is concentrically matched with the outer diameter of a main shaft rotating bearing (216), the center of the main shaft rotating bearing (216) is concentrically matched at two ends of the driving rotating shaft (214) and needs to be tightly matched and thread glue is injected, the center of a driven chain wheel (217) is concentrically matched on the driving, the driving chain wheel (218) and the driven chain wheel (217) ensure the same horizontal plane, the centers of the driving chain wheel and the driven chain wheel are concentrically matched on a main shaft of a main shaft motor (219), the main shaft motor (219) is fixed on the bottom surface through chemical bolts, two ends of a chain (220) are meshed with the driving chain wheel (218) and the driven chain wheel (217), a welding frame (221) of a driving clamping mechanism is used as a main supporting part of the mechanism, and the driving clamping mechanism is fixed through chemical bolts which are driven into the ground;

the follow-up clamping mechanism (3) comprises: the servo mechanism welding frame (301), a slide rail (302), a transverse moving motor mounting plate (303), a transverse moving motor (304), a transverse moving gear (305), a transverse moving rack (306), a slide rail cushion block (307), a servo chuck mounting base plate (308) and a servo chuck supporting welding frame (309), wherein the servo mechanism welding frame (301) is used as a main supporting part of the mechanism and is arranged on the upper surface of the slide rail (302) through threads, the slide rail (302) is fixed on the upper surface of the slide rail cushion block (307) through threads and a positioning pin, the transverse moving motor mounting plate (303) is fixed on the side surface of the servo mechanism welding frame (301) through threads and a positioning pin, a central hole of the transverse moving motor (304) is concentrically matched with the center of a spindle of the transverse moving motor (304), the transverse moving motor (304) is arranged on the upper surface of the transverse moving motor mounting plate (303) through threads, the center of the central hole of, the threaded glue is required to be injected, the transverse moving rack (306) is fixed to the bottom surface of the follow-up chuck mounting base plate (308) through threads and a positioning pin, the slide rail cushion block (307) is mounted on the bottom surface of the slide rail (302) through threads and fixed to the upper surface of the follow-up chuck mounting base plate (308) through threads and a positioning pin, the follow-up chuck mounting base plate (308) is mounted on the upper surface of a follow-up chuck support welding frame (309) through threads, and a chemical bolt fixing position needs to be driven into the ground by the follow-up chuck support welding frame (309);

the outer diameter grinding mechanism (4) comprises: the grinding mechanism comprises an outer diameter grinding disc (401), an outer diameter grinding motor (402), a rotating shaft (403), a grinding disc fixing flange (404), a mechanism welding frame (405), a displacement module (406), a module mounting plate (407) and a material blocking metal plate (408), wherein the center of the outer diameter grinding disc (401) is concentrically matched on a main shaft of the outer diameter grinding motor (402), the two sides of the outer diameter grinding disc are required to be fixed by the grinding disc fixing flange (404) in a fixed position, the outer diameter grinding motor (402) is mounted on the upper surface of the mechanism welding frame (405) through threads, the center of the rotating shaft (403) is concentrically matched in an inner hole of the outer diameter grinding motor (402) and is positioned through an on-shaft key groove and is required to be injected with thread glue, the grinding disc fixing flanges (404) are symmetrically mounted on the two sides of the outer diameter grinding disc (401) and are fixed with positioning pins through threads, main, chemical bolt fixed position need be squeezed into on ground to displacement module (406), and module mounting panel (407) passes through screw and locating pin fixed mounting on displacement module (406) displacement slip table, keeps off material panel beating (408) and installs and can supply push-and-pull around on the slide rail.

2. An automated spiral steel tube sander as set forth in claim 1, wherein: the lifting cylinder (119) needs to use a cylinder with two functions of locking the positions of two ends and air buffering.

3. An automated spiral steel tube sander as set forth in claim 1, wherein: the inner diameter grinding gear (102) and the side surface of the grinding guide sleeve mounting block (103) are processed in a dovetail groove shape.

4. An automated spiral steel tube sander as set forth in claim 1, wherein: the inner gear (109) and the inner gear ring (108) are in tooth meshing fit, and the teeth of the two parts are both subjected to quenching surface treatment.

5. An automated spiral steel tube sander as set forth in claim 1, wherein: the clamping rack (203), the driving gear (205), the clamping gear (202) and the clamping internal gear (204) are heavy-load stressed parts and all need surface treatment quenching technology.

6. An automated spiral steel tube sander as set forth in claim 1, wherein: the clamping gear (202) and the clamping inner gear (204) are concentric in center hole, the clamping gear (202) and the clamping inner gear (204) are both in key groove fixing positions on the same shaft, and a spring pin is driven in.

7. An automated spiral steel tube sander as set forth in claim 1, wherein: the sliding rail (302) needs to ensure parallelism during installation, and a dial indicator is matched with installation control tolerance during the assembly.

8. An automated spiral steel tube sander as set forth in claim 1, wherein: the outer diameter polishing disc (401) is symmetrically installed, and the inner hole of the outer diameter polishing disc (401) needs to be matched with the outer diameter of the rotating shaft (403) in a tight fit mode, so that the stability of the two polishing discs and the reduced shaking during high-speed rotation are guaranteed.