CN111360341B - Automatic threading processing equipment for large-caliber steel pipe joint - Google Patents
Automatic threading processing equipment for large-caliber steel pipe joint Download PDFInfo
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- CN111360341B CN111360341B CN202010311868.9A CN202010311868A CN111360341B CN 111360341 B CN111360341 B CN 111360341B CN 202010311868 A CN202010311868 A CN 202010311868A CN 111360341 B CN111360341 B CN 111360341B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 225
- 239000010959 steel Substances 0.000 title claims abstract description 225
- 239000004429 Calibre Substances 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 16
- 238000003754 machining Methods 0.000 claims description 9
- 238000012797 qualification Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/22—Machines specially designed for operating on pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/22—Machines specially designed for operating on pipes or tubes
- B23G1/225—Machines specially designed for operating on pipes or tubes automatically controlled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/52—Equipment or accessories specially designed for machines or devices for thread cutting for operating on pipes or tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses automatic threading processing equipment for a large-caliber steel pipe joint. The utility model provides an automatic mantle fiber processing equipment of heavy-calibre steel pipe joint, includes heavy-calibre steel pipe joint mantle fiber processing and power device, the slide, and fixed mounting is at the heavy-calibre steel pipe joint centre gripping fixing device on the slide top surface, promotes the push-and-pull device that heavy-calibre steel pipe joint centre gripping fixing device on slide and the slide top surface removed along main bar workstation top surface right side central line, and heavy-calibre steel pipe joint material feeding unit for heavy-calibre steel pipe joint centre gripping fixing device pay-off, heavy-calibre steel pipe joint mantle fiber processing product discharge apparatus. Automatic feeding and automatic processing of the large-caliber steel pipe joint sleeve wire are realized; the labor intensity of operators is reduced, the potential safety hazard is eliminated, the quality of the large-caliber steel pipe joint threading processing product is improved, and the qualification rate and the working efficiency of the large-caliber steel pipe joint threading processing product are improved.
Description
Technical Field
The invention belongs to steel pipe joint threading equipment, in particular to automatic threading equipment for large-caliber steel pipe joints.
Background
The large-caliber steel pipe joint is usually referred to as DN65-168 mm steel pipe joint. At present, a special machine for manually threading the external threads of the large-caliber steel pipe joint is used for processing the external threads of the large-caliber steel pipe joint, and because the diameter of the large-caliber steel pipe joint and the thread pitch of the threads are relatively large, when the special machine for manually threading the external threads of the large-caliber steel pipe joint is used for manually threading the large-caliber steel pipe joint into a buckle, an operator needs to use great force to ensure the quality of the threads of the large-caliber steel pipe joint, otherwise, waste products are caused, and the qualification rate of the products of the large-caliber steel pipe joint is reduced; in addition, the large-caliber steel pipe joint has large self weight, high manual workpiece changing frequency, high labor intensity of operators, low processing efficiency and high labor cost; the safety hidden trouble that the iron filings hurt hands and other industrial accidents exist when the iron filings are easily contacted in the manual workpiece replacement process of an operator. How to prepare an automatic threading processing device for a large-caliber steel pipe joint, realize automatic feeding and automatic processing of the large-caliber steel pipe joint threading, reduce the labor intensity of operators, eliminate potential safety hazards, improve the quality of the large-caliber steel pipe joint threading processing product, and improve the qualification rate and the working efficiency of the large-caliber steel pipe joint threading processing product.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: an automatic threading processing device for a large-caliber steel pipe joint is provided. The automatic threading processing equipment for the large-caliber steel pipe joint can realize automatic feeding and automatic processing of the large-caliber steel pipe joint threading; the labor intensity of operators can be reduced, the potential safety hazard is eliminated, the quality of the large-caliber steel pipe joint sleeve wire processing product is improved, and the qualification rate and the working efficiency of the large-caliber steel pipe joint sleeve wire processing product are improved.
The technical scheme for solving the technical problems is as follows: the utility model provides an automatic mantle fiber processing equipment of heavy-calibre steel pipe joint, includes main bar frame, installs the main bar workstation in main bar frame, still includes the preceding vice bar frame that main bar main frame front side set up and preceding vice bar workstation in the vice bar frame in, the vice bar frame in back and the vice bar workstation in back of vice bar frame that main bar frame rear side set up, main bar frame respectively rather than the vice bar frame integrated into one piece that both sides set up respectively, characterized by: the device also comprises a large-caliber steel pipe joint threading processing and power device fixedly arranged on the central line of the left side of the top surface of the main strip-shaped workbench, a sliding seat which is slidably arranged on the central line of the right side of the top surface of the main strip-shaped workbench by using 2 linear guide rails, a large-caliber steel pipe joint clamping and fixing device fixedly arranged on the top surface of the sliding seat, a push-pull device for pushing the sliding seat and the large-caliber steel pipe joint clamping and fixing device on the top surface of the sliding seat to move along the central line of the right side of the top surface of the main strip-shaped workbench, a large-caliber steel pipe joint feeding device for feeding the large-caliber steel pipe joint clamping and fixing device, a large-caliber steel pipe joint threading processing product discharging device, and a hydraulic, pneumatic and electric control device;
the large-caliber steel pipe joint threading processing and power device comprises a die head, a motor and a spindle box, wherein the motor is fixedly arranged on the central line of the left end part of the top surface of a main strip-shaped workbench by using a motor mounting seat, the spindle box is fixedly arranged on the central line of the left side of the top surface of the main strip-shaped workbench, which is close to the motor, an output shaft of the motor is rotationally connected with an input shaft of the spindle box, and an output shaft of the spindle box is rotationally connected with the die head;
the large-caliber steel pipe joint clamping and fixing device comprises a large-caliber steel pipe joint clamp, a clamp mounting sleeve, a conical expansion clamp core and a conical expansion clamp core push-pull oil cylinder, wherein the conical expansion clamp core push-pull oil cylinder is fixedly arranged on the central line of the right end part of the top surface of the sliding seat by using a conical expansion clamp core push-pull oil cylinder mounting seat;
the pushing slide seat and the large-caliber steel pipe joint clamping and fixing device on the top surface of the slide seat are slide seat pushing and pulling cylinders, the slide seat pushing and pulling cylinders are arranged on the central line of the right end part of the top surface of the main strip-shaped workbench by using slide seat pushing and pulling cylinder mounting seats, and the lever end parts of the slide seat pushing and pulling cylinders are fixedly connected with the middle part of the right vertical surface of the slide seat by using connecting pieces;
the large-caliber steel pipe joint feeding device comprises a door-shaped frame, support legs are arranged at the bottom ends of a front support post and a rear support post of the door-shaped frame, the axes of the support legs of the front support post and the rear support post of the door-shaped frame are perpendicular to the axes of a cross beam of the door-shaped frame, linear guide rails are correspondingly arranged on the top surfaces of a front auxiliary strip-shaped workbench and a rear auxiliary strip-shaped workbench on the front side and the rear side of the main strip-shaped workbench, and grooves matched with the linear guide rails and respectively arranged on the support legs of the two support posts of the door-shaped frame are vertically arranged on the top surfaces of the front auxiliary strip-shaped workbench and the rear auxiliary strip-shaped workbench in a crossing manner; the device also comprises a push-pull device for pushing the door-shaped frame to longitudinally run along the linear guide rails on the top surfaces of the front auxiliary strip-shaped workbench and the rear auxiliary strip-shaped workbench, wherein the push-pull device for pushing the door-shaped frame to longitudinally run along the linear guide rails on the top surfaces of the front auxiliary strip-shaped workbench and the rear auxiliary strip-shaped workbench is 2 door-shaped frame push-pull cylinders, the 2 door-type frame push-pull air cylinders are respectively arranged on the top surface of the front auxiliary strip-shaped workbench and the left end part of the top surface of the rear auxiliary strip-shaped workbench in sequence by using door-type frame push-pull air cylinder mounting seats, and the lever end parts of the 2 door-type frame push-pull air cylinders are respectively fixedly connected with the middle parts of the left vertical surfaces of the front post support leg and the rear post support leg of the door-type frame by using connecting pieces;
the feeding groove is transversely arranged at a position, close to the top surface of the main strip-shaped workbench, of the left vertical surface of the front pillar of the door-shaped frame by using a feeding groove inclined bracket, and a blanking port is formed in the bottom surface, close to one end of the main strip-shaped workbench, of the feeding groove; the large-caliber steel pipe joint jacking device comprises a large-caliber steel pipe joint jacking cylinder and a large-caliber steel pipe joint jacking block, a U-shaped groove is formed in the top surface of the large-caliber steel pipe joint jacking block, a large-caliber steel pipe joint jacking cylinder is installed on the left vertical surface of the lower end part of a front support of a door-shaped frame below an upper trough through a large-caliber steel pipe joint jacking cylinder installing support, the end part of a lever of the large-caliber steel pipe joint jacking cylinder is fixedly connected with the middle position of the lower bottom surface of the large-caliber steel pipe joint jacking block, the top surface of the lever of the large-caliber steel pipe joint jacking cylinder is fixedly connected with the middle position of the lower bottom surface of the large-caliber steel pipe joint jacking block through a connecting piece, the U-shaped groove axis of the top surface of the large-caliber steel pipe joint jacking block is parallel to the longitudinal axis of a main strip-shaped workbench, and a blanking groove arranged close to the bottom surface of one end of the main strip-shaped workbench is provided with the upper trough through the large-caliber steel pipe joint jacking block; starting a large-caliber steel pipe joint jacking cylinder, wherein a large-caliber steel pipe joint jacking block which is fixedly connected with the end part of a lever of the large-caliber steel pipe joint jacking cylinder and has a U-shaped groove on the top surface passes through a blanking port arranged in the feeding groove and can push out the large-caliber steel pipe joint falling into the U-shaped groove of the large-caliber steel pipe joint jacking block from the feeding groove;
the horizontal sliding plate is slidably mounted on the left vertical surface of the door-type frame beam by using 2 linear guide rails, the horizontal sliding plate push-pull cylinder is mounted on the front end part of the left vertical surface of the door-type frame beam by using a horizontal sliding plate push-pull cylinder mounting seat, and the lever end part of the horizontal sliding plate push-pull cylinder is fixedly connected with the middle position of the front vertical surface of the horizontal sliding plate by using a connecting piece; the vertical sliding plate is slidably arranged on the left elevation of the middle lower part of the transverse sliding plate by using 2 linear guide rails, the vertical sliding plate push-pull cylinder is arranged on the left elevation position of the upper end part of the transverse sliding plate by using a vertical sliding plate push-pull cylinder mounting seat, and the lever end part of the vertical sliding plate push-pull cylinder is fixedly connected with the middle position of the upper top surface of the vertical sliding plate by using a connecting piece; the axis of the vertical sliding plate push-pull cylinder is positioned on a transverse vertical plane of a large-caliber steel pipe joint threading machining station of a large-caliber steel pipe joint threading machining power device die head;
the device also comprises 2 picking mechanical arms and picking mechanical arm cylinders, wherein the 2 rotary picking mechanical arms, the rotary mechanical arm cylinders, the rotary cylinders and the strip-shaped plates are transversely arranged on the left vertical face of the vertical sliding plate by bolts, the 2 picking mechanical arms are correspondingly arranged on the left vertical face of the front end part of the strip-shaped plates, which is close to one side of the front vertical column of the door-shaped frame, and the two ends of the picking mechanical arm cylinders are respectively connected with the 2 picking mechanical arms by using connecting pieces; the rotary cylinder is rotatably arranged on the left vertical surface position of the rear end part of the strip-shaped plate, which is close to one side of the rear upright post of the door-shaped frame, 2 rotary picking mechanical arms are correspondingly arranged on the bottom surfaces of the two axial ends of the circular plate arranged on the lower bottom surface of the rotary cylinder, 2 rotary picking mechanical arms are correspondingly arranged on the bottom surfaces of the two axial ends of the circular plate on the lower bottom surface of the rotary cylinder, and are arranged on the same vertical plane with 2 picking mechanical arms correspondingly arranged on the left vertical surface position of the front end part of the strip-shaped plate, which is close to one side of the front upright post of the door-shaped frame, the rotary mechanical arm cylinder is arranged on the lower bottom surface of the rotary cylinder, and the two ends of the rotary mechanical arm cylinder arranged on the lower bottom surface of the rotary cylinder are respectively connected with the 2 rotary picking mechanical arms by using connecting pieces; the distance between the central axes of the 2 picking mechanical arms and the axis of the vertical sliding plate push-pull cylinder is consistent with the distance between the central axes of the 2 rotating picking mechanical arms and the axis of the vertical sliding plate push-pull cylinder, and in the initial state of the horizontal sliding plate push-pull cylinder, the central axes of the 2 picking mechanical arms and the longitudinal axis of the U-shaped groove on the top surface of the large-caliber steel pipe joint jacking block, which is fixedly connected with the end part of the large-caliber steel pipe joint jacking cylinder lever through a connecting piece, are on the same vertical plane;
the discharging device for the large-caliber steel pipe joint threading processed products comprises a discharging groove, wherein the discharging groove is transversely arranged on the position, close to the top surface of a main strip-shaped workbench, of the left vertical surface of a post behind a gate-type frame by using a discharging groove inclined bracket.
The hydraulic, pneumatic and electric appliance control devices adopt the prior art and are controlled by a PLC control cabinet.
The working process of the invention is as follows: sequentially placing large-caliber steel pipe joints to be processed in a feeding groove, starting a large-caliber steel pipe joint jacking cylinder, enabling a large-caliber steel pipe joint jacking block with a U-shaped groove on the top surface fixedly connected with the lever end of the large-caliber steel pipe joint jacking cylinder to penetrate through a blanking opening arranged in the feeding groove, and enabling the large-caliber steel pipe joints falling into the U-shaped groove of the large-caliber steel pipe joint jacking block to be jacked out of the feeding groove; starting a vertical sliding plate push-pull cylinder, wherein a strip-shaped plate installed on the vertical sliding plate is close to a left vertical surface position on one side of a front upright post of a door-shaped frame, 2 picking mechanical arms are installed on the left vertical surface position on one side of the front upright post of the door-shaped frame and vertically downwards feed a large-caliber steel pipe joint jacked by a U-shaped groove on the top surface of a large-caliber steel pipe joint jacking block at the lever end part of the large-caliber steel pipe joint jacking cylinder, 2 picking mechanical arms are fed to a large-caliber steel pipe joint picking station, starting a picking mechanical arm cylinder, clamping the large-caliber steel pipe joint by the 2 picking mechanical arms, and simultaneously clamping a large-caliber steel pipe processed by a previous threading by the 2 rotary picking mechanical arms; starting 2 gate-type frame push-pull cylinders, wherein the 2 gate-type frame push-pull cylinders push-pull the gate-type frame and drive the large-caliber steel pipe joint clamped by the 2 pick-up manipulators to move leftwards along the two linear guide rails to a feeding station between a die head of the large-caliber steel pipe joint threading processing and power device and a large-caliber steel pipe joint clamping device of the large-caliber steel pipe joint clamping and fixing device; starting a transverse slide plate push-pull cylinder, wherein the transverse slide plate push-pull cylinder pushes a transverse slide plate and drives a vertical slide plate push-pull cylinder arranged on the transverse slide plate and a vertical slide plate fixedly connected with a lever end connecting piece of the vertical slide plate push-pull cylinder to feed along two linear guide rails transversely to a rear main bar-shaped workbench, and 2 pick-up manipulators and clamped large-caliber steel pipe joints are transversely fed back to a clamping fixing station between a die head of a large-caliber steel pipe joint threading processing and power device and a large-caliber steel pipe joint clamping fixture of a large-caliber steel pipe joint clamping fixing device; starting a conical expansion clamping core push-pull oil cylinder, pushing the conical expansion clamping core to expand a large-caliber steel pipe joint fixture by the conical expansion clamping core push-pull oil cylinder, starting 2 gate-type frame push-pull cylinders and driving the large-caliber steel pipe joints clamped by 2 taking manipulators to move rightwards along two linear guide rails, feeding the clamped large-caliber steel pipe joints into the expanded large-caliber steel pipe joint fixture by the 2 taking manipulators, starting the conical expansion clamping core push-pull oil cylinder, and pulling the conical expansion clamping core to shrink the large-caliber steel pipe joint fixture to tighten the large-caliber steel pipe joint by the conical expansion clamping core push-pull oil cylinder; starting a piece taking manipulator cylinder, opening 2 piece taking manipulators, and simultaneously clamping and feeding the large-caliber steel pipe processed by the previous threading into a discharge chute by the 2 rotary piece taking manipulators to automatically fall into a finished product container; the 2 gate-type frame push-pull cylinders are reset, the vertical sliding plate cylinders are reset, and the horizontal sliding plate push-pull cylinders are reset; starting a sliding seat push-pull cylinder, wherein the sliding seat push-pull cylinder pushes a sliding seat and a large-caliber steel pipe joint clamping device of a large-caliber steel pipe joint clamping fixing device arranged on the top surface of the sliding seat to clamp a fixed large-caliber steel pipe joint to a large-caliber steel pipe joint threading processing station, and starting a motor to drive a die head rotationally connected with an output shaft of a spindle box to finish threading processing for the large-caliber steel pipe joint; the sliding seat pushes and pulls the cylinder to reset, the conical expansion clamping core pushes the cylinder to pull the conical expansion clamping core to expand the large-caliber steel pipe joint clamp, and the large-caliber steel pipe joint clamp is loosened to finish the large-caliber steel pipe joint with one end sleeved with threads; starting a vertical sliding plate cylinder, enabling a strip-shaped plate installed on the vertical sliding plate to be close to a left vertical surface position on one side of a rear upright post of a door-shaped frame, enabling 2 rotary pick-up manipulators to vertically feed downwards to a large-caliber steel pipe joint threading machining station, starting the rotary manipulator cylinder, enabling the 2 rotary pick-up manipulators to clamp a large-caliber steel pipe joint with one end threading machined, enabling the 2 pick-up manipulators to feed to a large-caliber steel pipe joint pick-up station, enabling the 2 pick-up manipulators to vertically feed downwards to the large-caliber steel pipe joint pick-up station, and clamping a next large-caliber steel pipe joint; starting 2 gate-type frame push-pull cylinders, wherein the 2 gate-type frame push-pull cylinders push-pull the gate-type frame and drive 2 picking mechanical arms to clamp the large-caliber steel pipe joint with one end sleeved with threads, and moving the large-caliber steel pipe joint with one end sleeved with threads leftwards along two linear guide rails to take out the large-caliber steel pipe joint with one end sleeved with threads from an expansion large-caliber steel pipe joint fixture; starting a rotary cylinder, driving 2 rotary workpiece taking manipulators to clamp a large-caliber steel pipe joint with one end sleeved with threads instantly to realize 180-degree rotation, starting a conical expansion clamping core push-pull cylinder, pushing the conical expansion clamping core by the conical expansion clamping core push-pull cylinder to expand a large-caliber steel pipe joint clamp, starting 2 gate-type frame push-pull cylinders and driving the 2 workpiece taking manipulators to clamp the large-caliber steel pipe joint to move rightwards along two linear guide rails, driving the 2 workpiece taking manipulators to send the clamped large-caliber steel pipe joint with one end sleeved with threads into the expanded large-caliber steel pipe joint clamp, and starting the conical expansion clamping core push-pull cylinder, and pulling the conical expansion clamping core to clamp the large-caliber steel pipe joint clamp to clamp tightly; starting a rotary manipulator cylinder, opening 2 rotary picking manipulators, resetting 2 gate-type frame push-pull cylinders and resetting a vertical sliding plate cylinder; starting a sliding seat push-pull cylinder, wherein the sliding seat push-pull cylinder pushes a sliding seat and a large-caliber steel pipe joint clamp of a large-caliber steel pipe joint clamping and fixing device arranged on the top surface of the sliding seat to clamp and fix a large-caliber steel pipe joint which is subjected to one-end threading processing to a large-caliber steel pipe joint threading processing station, and starting a motor to drive a die head rotationally connected with an output shaft of a spindle box to finish threading processing for the other end of the large-caliber steel pipe joint which is subjected to one-end threading processing; the sliding seat push-pull cylinder resets, the conical expansion clamping core pushes the oil cylinder to push the conical expansion clamping core to enable the conical expansion clamping core to push the large-diameter steel pipe joint clamp to loosen the large-diameter steel pipe joint clamp to finish one-end threading processing, the vertical sliding plate cylinder is started, a strip-shaped plate installed on the vertical sliding plate is close to a left vertical surface position on one side of a rear upright post of the door-shaped frame, 2 rotary workpiece taking manipulators are vertically downwards fed to a large-diameter steel pipe joint threading processing station, the rotary manipulator cylinder is started, the 2 rotary workpiece taking manipulators tighten the large-diameter steel pipe joint to finish two-end threading processing, and meanwhile, the strip-shaped plate installed on the vertical sliding plate is close to the left vertical surface position on one side of the front upright post of the door-shaped frame, and 2 workpiece taking manipulators installed on the left vertical upright post of the vertical sliding plate drive the clamped next large-diameter steel pipe joint to vertically downwards feed; starting 2 gate-type frame push-pull cylinders, wherein the 2 gate-type frame push-pull cylinders push-pull the gate-type frame and drive 2 pick-up manipulators to clamp the large-caliber steel pipe joint with the two ends subjected to threading processing, and taking the large-caliber steel pipe joint with the two ends subjected to threading processing out of an expansion large-caliber steel pipe joint fixture by moving leftwards along two linear guide rails; starting the transverse sliding plate push-pull cylinder again, 2 gate-shaped frame push-pull cylinders, 2 taking out the mechanical arm to send the next heavy-calibre steel pipe joint clamped into the heavy-calibre steel pipe joint fixture clamping fixing station, and simultaneously 2 rotating taking out the mechanical arm to send the heavy-calibre steel pipe joint clamped with the two end sleeve wires into the discharge chute to automatically fall into the finished product container, and entering the automatic processing cycle of the next heavy-calibre steel pipe joint sleeve wires again.
The beneficial effects of the invention are as follows: the invention is provided with the strip-shaped main frame, the main strip-shaped workbench arranged on the strip-shaped main frame, the front auxiliary strip-shaped rack arranged on the front side of the main strip-shaped rack, the front auxiliary strip-shaped workbench arranged on the front auxiliary strip-shaped rack, the rear auxiliary strip-shaped rack arranged on the rear side of the main strip-shaped rack and the rear auxiliary strip-shaped workbench arranged on the rear auxiliary strip-shaped rack; the device is characterized by further comprising a large-caliber steel pipe joint processing and power device fixedly arranged on the central line of the left side of the top surface of the main strip-shaped workbench, a sliding seat which is slidably arranged on the central line of the right side of the top surface of the main strip-shaped workbench by using 2 linear guide rails, a large-caliber steel pipe joint clamping and fixing device fixedly arranged on the top surface of the sliding seat, a push-pull device for pushing the sliding seat and the large-caliber steel pipe joint clamping and fixing device on the top surface of the sliding seat to move along the central line of the right side of the top surface of the main strip-shaped workbench, a large-caliber steel pipe joint feeding device for feeding the large-caliber steel pipe joint clamping and fixing device, a large-caliber steel pipe joint threading processed product discharging device and a hydraulic, pneumatic and electric appliance control device. Automatic feeding and automatic processing of the large-caliber steel pipe joint sleeve wire are realized; the labor intensity of operators is reduced, the potential safety hazard is eliminated, the quality of the large-caliber steel pipe joint threading processing product is improved, and the qualification rate and the working efficiency of the large-caliber steel pipe joint threading processing product are improved.
The invention also provides a sliding device for pushing the sliding seat and the large-caliber steel pipe joint clamping and fixing device on the top surface of the sliding seat to move along the central line of the right side of the top surface of the main strip-shaped workbench, wherein the sliding device for pushing the sliding seat and the large-caliber steel pipe joint clamping and fixing device on the top surface of the sliding seat to move along the central line of the right side of the top surface of the main strip-shaped workbench is a sliding seat sliding cylinder, the sliding seat sliding cylinder is arranged on the central line of the right end part of the top surface of the main strip-shaped workbench by using a sliding seat sliding cylinder mounting seat, and the lever end part of the sliding seat sliding cylinder is fixedly connected with the middle part of the right vertical surface of the sliding seat by using a connecting piece; the sliding seat push-pull cylinder pushes the large-caliber steel pipe joint clamping device of the large-caliber steel pipe joint clamping fixing device to clamp and fix the large-caliber steel pipe joint to a large-caliber steel pipe joint threading processing station, so that the technical problem that when the existing special machine for manually threading the external threads of the large-caliber steel pipe joint is used for manually threading the large-caliber steel pipe joint into a buckle, sometimes, the machining quality of the threads of the large-caliber steel pipe joint cannot be guaranteed due to insufficient pushing force of operators, waste products are easily caused, and the qualification rate of products of the large-caliber steel pipe joint is reduced is solved.
Drawings
The invention is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a right side view of the present invention;
in the accompanying drawings: 1. the device comprises a main strip-shaped workbench, a front auxiliary strip-shaped workbench, a rear auxiliary strip-shaped workbench, a sliding seat, a screw die head, a motor, a main spindle box, a large-caliber steel pipe joint clamp and a large-caliber steel pipe joint clamp, wherein the main strip-shaped workbench, the front auxiliary strip-shaped workbench, the rear auxiliary strip-shaped workbench, the sliding seat, the screw die head, the motor and the large-caliber steel pipe joint clamp are sequentially arranged on the main strip-shaped workbench, the front auxiliary strip-shaped workbench, the front 9, a clamp mounting sleeve, 10, a conical expansion clamp core, 11, a conical expansion clamp core push-pull oil cylinder, 12, a slide seat push-pull air cylinder, 13, a door-shaped frame, 14, a door-shaped frame push-pull air cylinder, 15, a feeding groove, a sliding seat and a sliding seat. 16, 17, 18, 19, 20, 21, and 21, respectively, large-caliber steel pipe joint jacking cylinders 22, a picking manipulator, 23, a picking manipulator cylinder, 24, a rotary picking manipulator 25, a rotary manipulator cylinder, 26, a rotary cylinder, 27, a strip plate and 28, and a discharge chute.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
Example 1
As shown in fig. 1, 2 and 3, the automatic threading processing equipment for the large-caliber steel pipe joint comprises a main bar-shaped frame, a main bar-shaped frame 1 arranged on the main bar-shaped frame, a front auxiliary bar-shaped frame arranged on the front side of the main bar-shaped frame, and a front auxiliary bar-shaped frame 2 arranged on the front auxiliary bar-shaped frame (an observer faces the invention, the left side of the observer is the left side of the main bar-shaped frame, the right side of the observer is the right side of the main bar-shaped frame, one side close to the main bar-shaped frame is the front side of the main bar-shaped frame, one side far away from the main bar-shaped frame is the rear side of the main bar-shaped frame), a rear auxiliary bar-shaped frame arranged on the rear side of the main bar-shaped frame and a rear auxiliary bar-shaped frame 3 arranged on the rear auxiliary bar-shaped frame, and the main bar-shaped frame and the auxiliary bar-shaped frames respectively arranged on two sides of the main bar-shaped frame are integrally formed, and the automatic threading processing equipment is characterized in that: the device also comprises a large-caliber steel pipe joint threading processing and power device fixedly arranged on the center line of the left side of the top surface of the main strip-shaped workbench 1, a sliding seat 4 which is slidably arranged on the center line of the right side of the top surface of the main strip-shaped workbench 1 by using 2 linear guide rails, a large-caliber steel pipe joint clamping and fixing device fixedly arranged on the top surface of the sliding seat 4, a push-pull device for pushing the sliding seat 4 and the large-caliber steel pipe joint clamping and fixing device on the top surface of the sliding seat to move along the center line of the right side of the top surface of the main strip-shaped workbench, a large-caliber steel pipe joint feeding device for feeding the large-caliber steel pipe joint threading processing product discharging device, and a hydraulic, pneumatic and electric control device;
the large-caliber steel pipe joint threading machining and power device comprises a die head 5, a motor 6 and a spindle box 7, wherein the motor 6 is fixedly arranged on the central line of the left end part of the top surface of the main strip-shaped workbench 1 by using a motor mounting seat, the spindle box 7 is fixedly arranged on the central line of the left side of the top surface of the main strip-shaped workbench 1, which is close to the position of the motor 6, an output shaft of the motor 6 is rotationally connected with an input shaft of the spindle box 7, and an output shaft of the spindle box 7 is rotationally connected with the die head 5;
the large-caliber steel pipe joint clamping and fixing device comprises a large-caliber steel pipe joint clamp 8, a clamp mounting sleeve 9, a conical expansion clamp core 10 and a conical expansion clamp core push-pull oil cylinder 11, wherein the conical expansion clamp core push-pull oil cylinder 11 is fixedly arranged on the central line of the right end part of the top surface of the sliding seat 4 by using a conical expansion clamp core push-pull oil cylinder mounting seat, a threaded sleeve at the right end part of the clamp mounting sleeve 9 is arranged on a cylinder body of the conical expansion clamp core push-pull oil cylinder 11, the large-caliber steel pipe joint clamp 8 is arranged at the left end part of the clamp mounting sleeve 9, and the conical expansion clamp core 10 is sleeved in the large-caliber steel pipe joint clamp 8 and is fixedly connected with the lever end part of the conical expansion clamp core push-pull oil cylinder 11 positioned in the clamp mounting sleeve 9 by using a connecting piece;
the pushing device for pushing the sliding seat and the large-caliber steel pipe joint clamping and fixing device on the top surface of the sliding seat to move along the center line of the right side of the top surface of the main strip-shaped workbench 1 is a sliding seat pushing and pulling cylinder 12, the sliding seat pushing and pulling cylinder 12 is arranged on the center line of the right end part of the top surface of the main strip-shaped workbench 1 by using a sliding seat pushing and pulling cylinder mounting seat, and the lever end part of the sliding seat pushing and pulling cylinder 12 is fixedly connected with the middle part of the right vertical surface of the sliding seat 4 by using a connecting piece;
the large-caliber steel pipe joint feeding device comprises a door-shaped frame 13, support legs are arranged at the bottom ends of a front support post and a rear support post which are arranged on the door-shaped frame 13, the axes of the support legs of the front support post and the rear support post of the door-shaped frame 13 are perpendicular to the axes of a cross beam which is arranged on the door-shaped frame 13, linear guide rails are correspondingly arranged on the top surfaces of a front auxiliary strip-shaped workbench 2 and a rear auxiliary strip-shaped workbench 3 on the front side and the rear side of a main strip-shaped workbench 1, and the door-shaped frame 13 vertically spans the main strip-shaped workbench 1 by using grooves which are respectively arranged on the support legs of the two support posts and are matched with the linear guide rails and are correspondingly arranged on the top surfaces of the front auxiliary strip-shaped workbench 2 and the rear auxiliary strip-shaped workbench 3; the device also comprises a push-pull device for pushing the door-shaped frame to longitudinally run along the linear guide rails on the top surfaces of the front auxiliary strip-shaped workbench and the rear auxiliary strip-shaped workbench, wherein the push-pull device for pushing the door-shaped frame to longitudinally run along the linear guide rails on the top surfaces of the front auxiliary strip-shaped workbench and the rear auxiliary strip-shaped workbench is formed by 2 door-shaped frame push-pull air cylinders 14, the 2 door-shaped frame push-pull air cylinders 14 are respectively arranged at the positions of the left end parts of the top surfaces of the front auxiliary strip-shaped workbench 2 and the rear auxiliary strip-shaped workbench 3 by using door-shaped frame push-pull air cylinder mounting seats, the lever ends of the 2 door-shaped frame push-pull air cylinders 14 are fixedly connected with the middle parts of the left vertical surfaces of the front and rear two support legs of the door-shaped frame by using connecting pieces respectively;
the feeding groove 15 is transversely arranged at a position, close to the top surface of the main strip-shaped workbench 1, of the left vertical surface of the front pillar of the door-shaped frame 13 by using a feeding groove inclined bracket, and a blanking port is formed in the bottom surface, close to one end of the main strip-shaped workbench 1, of the feeding groove 15; the large-caliber steel pipe joint jacking device comprises a large-caliber steel pipe joint jacking cylinder 16 and a large-caliber steel pipe joint jacking block 17, a U-shaped groove is formed in the top surface of the large-caliber steel pipe joint jacking block, the large-caliber steel pipe joint jacking cylinder 16 is installed on the left vertical surface of the lower end part of a front pillar of a door-shaped frame 13 below an upper trough 15 by using a large-caliber steel pipe joint jacking cylinder mounting bracket, the lever end part of the large-caliber steel pipe joint jacking cylinder 16 is fixedly connected with the middle position of the lower bottom surface of the large-caliber steel pipe joint jacking block, the lever end part of the large-caliber steel pipe joint jacking cylinder 16 is fixedly connected with the longitudinal axis of a main strip-shaped workbench 1 by using a connecting piece, and a blanking port, which is arranged close to the bottom surface close to one end of the main strip-shaped workbench 1, of the upper trough 15 can pass through the large-caliber steel pipe joint jacking block 17; starting a large-caliber steel pipe joint jacking cylinder 16, wherein a large-caliber steel pipe joint jacking block fixedly connected with the lever end part of the large-caliber steel pipe joint jacking cylinder 16 and provided with a U-shaped groove on the top surface passes through a blanking port arranged in the feeding groove 15 and can push out the large-caliber steel pipe joint falling into the U-shaped groove of the large-caliber steel pipe joint jacking block from the feeding groove 15;
the device also comprises a transverse slide plate 18, a transverse slide plate push-pull cylinder 19, a vertical slide plate 20 and a vertical slide plate push-pull cylinder 21, wherein the transverse slide plate 18 is slidably arranged on the left vertical face of the beam of the door-type frame 13 by using 2 linear guide rails, the transverse slide plate push-pull cylinder 19 is arranged on the front end part of the left vertical face of the beam of the door-type frame 13 by using a transverse slide plate push-pull cylinder mounting seat, and the lever end part of the transverse slide plate push-pull cylinder 19 is fixedly connected with the middle position of the front vertical face of the transverse slide plate 18 by using a connecting piece; the vertical sliding plate 20 is slidably mounted on the left vertical surface of the middle lower part of the transverse sliding plate 18 by using 2 linear guide rails, the vertical sliding plate push-pull air cylinder 21 is mounted on the left vertical surface position of the upper end part of the transverse sliding plate 18 by using a vertical sliding plate push-pull air cylinder mounting seat, and the lever end part of the vertical sliding plate push-pull air cylinder 21 is fixedly connected with the middle position of the upper top surface of the vertical sliding plate 20 by using a connecting piece; the axis of the vertical sliding plate push-pull cylinder 21 is positioned on a transverse vertical plane of a large-caliber steel pipe joint threading machining station of the large-caliber steel pipe joint threading machining power device die head 5;
the device further comprises 2 picking manipulators 22, 23,2 rotary picking manipulators 24, a rotary manipulator cylinder 25, a rotary cylinder 26 and a strip plate 27, wherein the strip plate 27 is transversely arranged on the left vertical face of the vertical sliding plate 20 by bolts, the 2 picking manipulators 22 are correspondingly arranged on the left vertical face of the front end part of the strip plate 27, which is close to one side of the front vertical column of the door-shaped frame 13, and two ends of the picking manipulator cylinder 23 are respectively connected with the 2 picking manipulators 22 by connecting pieces; the rotary cylinder 26 is rotatably installed on the left vertical surface position of the rear end part of the strip-shaped plate 27, which is close to the rear upright post of the door-shaped frame 13, 2 rotary picking manipulators 24 are correspondingly installed on the bottom surfaces of the two axial ends of the circular plate arranged on the lower bottom surface of the rotary cylinder 26, the 2 picking manipulators 22 are correspondingly installed on the left vertical surface position of the front end part of the strip-shaped plate 27, which is close to the front upright post of the door-shaped frame 13, are on the same vertical plane, the rotary manipulator cylinder 25 is installed on the lower bottom surface of the rotary cylinder 26, and the two ends of the rotary manipulator cylinder 25 installed on the lower bottom surface of the rotary cylinder 26 are respectively connected with the 2 rotary picking manipulators 24 by using connecting pieces; the distance between the central axes of the 2 picking manipulators 22 and the axis of the vertical sliding plate push-pull cylinder 21 is consistent with the distance between the central axes of the 2 rotary picking manipulators 24 and the axis of the vertical sliding plate push-pull cylinder 21, and in the initial state of the transverse sliding plate push-pull cylinder 21, the central axes of the 2 picking manipulators 22 and the longitudinal axis of the U-shaped groove on the top surface of the large-caliber steel pipe joint jacking block, which is fixedly connected with the lever end part of the large-caliber steel pipe joint jacking cylinder 16 by using a connecting piece, are on the same vertical plane;
the discharging device for the large-caliber steel pipe joint threading processed products comprises a discharging groove 28, wherein the discharging groove 28 is transversely arranged at the position, close to the top surface of the main strip-shaped workbench 1, of the left vertical surface of a post behind the gate-shaped frame 13 by using a discharging groove inclined bracket.
From the above description, it is apparent to those skilled in the art that various changes and modifications can be made without departing from the scope of the technical spirit of the invention. The present invention is not limited to the prior art.
Claims (1)
1. The utility model provides an automatic mantle fiber processing equipment of heavy-calibre steel pipe joint, includes main bar frame, installs the main bar workstation in main bar frame, still includes the preceding vice bar frame that main bar frame front side set up and preceding vice bar workstation in the vice bar frame in, the vice bar frame in back and the vice bar workstation in back of vice bar frame of back that main bar frame rear side set up, main bar frame respectively rather than the vice bar frame integrated into one piece that both sides set up respectively, characterized by: the device also comprises a large-caliber steel pipe joint threading processing and power device fixedly arranged on the central line of the left side of the top surface of the main strip-shaped workbench, a sliding seat which is slidably arranged on the central line of the right side of the top surface of the main strip-shaped workbench by using 2 linear guide rails, a large-caliber steel pipe joint clamping and fixing device fixedly arranged on the top surface of the sliding seat, a push-pull device for pushing the sliding seat and the large-caliber steel pipe joint clamping and fixing device on the top surface of the sliding seat to move along the central line of the right side of the top surface of the main strip-shaped workbench, a large-caliber steel pipe joint feeding device for feeding the large-caliber steel pipe joint clamping and fixing device, a large-caliber steel pipe joint threading processing product discharging device, and a hydraulic, pneumatic and electric control device;
the large-caliber steel pipe joint threading processing and power device comprises a die head, a motor and a spindle box, wherein the motor is fixedly arranged on the central line of the left end part of the top surface of a main strip-shaped workbench by using a motor mounting seat, the spindle box is fixedly arranged on the central line of the left side of the top surface of the main strip-shaped workbench, which is close to the motor, an output shaft of the motor is rotationally connected with an input shaft of the spindle box, and an output shaft of the spindle box is rotationally connected with the die head;
the large-caliber steel pipe joint clamping and fixing device comprises a large-caliber steel pipe joint clamp, a clamp mounting sleeve, a conical expansion clamp core and a conical expansion clamp core push-pull oil cylinder, wherein the conical expansion clamp core push-pull oil cylinder is fixedly arranged on the central line of the right end part of the top surface of the sliding seat by using a conical expansion clamp core push-pull oil cylinder mounting seat;
the pushing slide seat and the large-caliber steel pipe joint clamping and fixing device on the top surface of the slide seat are slide seat pushing and pulling cylinders, the slide seat pushing and pulling cylinders are arranged on the central line of the right end part of the top surface of the main strip-shaped workbench by using slide seat pushing and pulling cylinder mounting seats, and the lever end parts of the slide seat pushing and pulling cylinders are fixedly connected with the middle part of the right vertical surface of the slide seat by using connecting pieces;
the large-caliber steel pipe joint feeding device comprises a door-shaped frame, support legs are arranged at the bottom ends of a front support post and a rear support post of the door-shaped frame, the axes of the support legs of the front support post and the rear support post of the door-shaped frame are perpendicular to the axes of a cross beam of the door-shaped frame, linear guide rails are correspondingly arranged on the top surfaces of a front auxiliary strip-shaped workbench and a rear auxiliary strip-shaped workbench on the front side and the rear side of the main strip-shaped workbench, and grooves matched with the linear guide rails and respectively arranged on the support legs of the two support posts of the door-shaped frame are vertically arranged on the top surfaces of the front auxiliary strip-shaped workbench and the rear auxiliary strip-shaped workbench in a crossing manner; the device also comprises a push-pull device for pushing the door-shaped frame to longitudinally run along the linear guide rails on the top surfaces of the front auxiliary strip-shaped workbench and the rear auxiliary strip-shaped workbench, wherein the push-pull device for pushing the door-shaped frame to longitudinally run along the linear guide rails on the top surfaces of the front auxiliary strip-shaped workbench and the rear auxiliary strip-shaped workbench is 2 door-shaped frame push-pull cylinders, the 2 door-type frame push-pull air cylinders are respectively arranged on the top surface of the front auxiliary strip-shaped workbench and the left end part of the top surface of the rear auxiliary strip-shaped workbench in sequence by using door-type frame push-pull air cylinder mounting seats, and the lever end parts of the 2 door-type frame push-pull air cylinders are respectively fixedly connected with the middle parts of the left vertical surfaces of the front post support leg and the rear post support leg of the door-type frame by using connecting pieces;
the feeding groove is transversely arranged at a position, close to the top surface of the main strip-shaped workbench, of the left vertical surface of the front pillar of the door-shaped frame by using a feeding groove inclined bracket, and a blanking port is formed in the bottom surface, close to one end of the main strip-shaped workbench, of the feeding groove; the large-caliber steel pipe joint jacking device comprises a large-caliber steel pipe joint jacking cylinder and a large-caliber steel pipe joint jacking block, a U-shaped groove is formed in the top surface of the large-caliber steel pipe joint jacking block, a large-caliber steel pipe joint jacking cylinder is installed on the left vertical surface of the lower end part of a front support of a door-shaped frame below an upper trough through a large-caliber steel pipe joint jacking cylinder installing support, the end part of a lever of the large-caliber steel pipe joint jacking cylinder is fixedly connected with the middle position of the lower bottom surface of the large-caliber steel pipe joint jacking block, the top surface of the lever of the large-caliber steel pipe joint jacking cylinder is fixedly connected with the middle position of the lower bottom surface of the large-caliber steel pipe joint jacking block through a connecting piece, the U-shaped groove axis of the top surface of the large-caliber steel pipe joint jacking block is parallel to the longitudinal axis of a main strip-shaped workbench, and a blanking groove arranged close to the bottom surface of one end of the main strip-shaped workbench is provided with the upper trough through the large-caliber steel pipe joint jacking block; starting a large-caliber steel pipe joint jacking cylinder, wherein a large-caliber steel pipe joint jacking block which is fixedly connected with the end part of a lever of the large-caliber steel pipe joint jacking cylinder and has a U-shaped groove on the top surface passes through a blanking port arranged in the feeding groove and can push out the large-caliber steel pipe joint falling into the U-shaped groove of the large-caliber steel pipe joint jacking block from the feeding groove;
the horizontal sliding plate is slidably mounted on the left vertical surface of the door-type frame beam by using 2 linear guide rails, the horizontal sliding plate push-pull cylinder is mounted on the front end part of the left vertical surface of the door-type frame beam by using a horizontal sliding plate push-pull cylinder mounting seat, and the lever end part of the horizontal sliding plate push-pull cylinder is fixedly connected with the middle position of the front vertical surface of the horizontal sliding plate by using a connecting piece; the vertical sliding plate is slidably arranged on the left elevation of the middle lower part of the transverse sliding plate by using 2 linear guide rails, the vertical sliding plate push-pull cylinder is arranged on the left elevation position of the upper end part of the transverse sliding plate by using a vertical sliding plate push-pull cylinder mounting seat, and the lever end part of the vertical sliding plate push-pull cylinder is fixedly connected with the middle position of the upper top surface of the vertical sliding plate by using a connecting piece; the axis of the vertical sliding plate push-pull cylinder is positioned on a transverse vertical plane of a large-caliber steel pipe joint threading machining station of a large-caliber steel pipe joint threading machining power device die head;
the device also comprises 2 picking mechanical arms and picking mechanical arm cylinders, wherein the 2 rotary picking mechanical arms, the rotary mechanical arm cylinders, the rotary cylinders and the strip-shaped plates are transversely arranged on the left vertical face of the vertical sliding plate by bolts, the 2 picking mechanical arms are correspondingly arranged on the left vertical face of the front end part of the strip-shaped plates, which is close to one side of the front vertical column of the door-shaped frame, and the two ends of the picking mechanical arm cylinders are respectively connected with the 2 picking mechanical arms by using connecting pieces; the rotary cylinder is rotatably arranged on the left vertical surface position of the rear end part of the strip-shaped plate, which is close to one side of the rear upright post of the door-shaped frame, 2 rotary picking mechanical arms are correspondingly arranged on the bottom surfaces of the two axial ends of the circular plate arranged on the lower bottom surface of the rotary cylinder, 2 rotary picking mechanical arms are correspondingly arranged on the bottom surfaces of the two axial ends of the circular plate on the lower bottom surface of the rotary cylinder, and are arranged on the same vertical plane with 2 picking mechanical arms correspondingly arranged on the left vertical surface position of the front end part of the strip-shaped plate, which is close to one side of the front upright post of the door-shaped frame, the rotary mechanical arm cylinder is arranged on the lower bottom surface of the rotary cylinder, and the two ends of the rotary mechanical arm cylinder arranged on the lower bottom surface of the rotary cylinder are respectively connected with the 2 rotary picking mechanical arms by using connecting pieces; the distance between the central axes of the 2 picking mechanical arms and the axis of the vertical sliding plate push-pull cylinder is consistent with the distance between the central axes of the 2 rotating picking mechanical arms and the axis of the vertical sliding plate push-pull cylinder, and in the initial state of the horizontal sliding plate push-pull cylinder, the central axes of the 2 picking mechanical arms and the longitudinal axis of the U-shaped groove on the top surface of the large-caliber steel pipe joint jacking block, which is fixedly connected with the end part of the large-caliber steel pipe joint jacking cylinder lever through a connecting piece, are on the same vertical plane;
the discharging device for the large-caliber steel pipe joint threading processed products comprises a discharging groove, wherein the discharging groove is transversely arranged on the position, close to the top surface of a main strip-shaped workbench, of the left vertical surface of a post behind a gate-type frame by using a discharging groove inclined bracket.
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| CN202010311868.9A CN111360341B (en) | 2020-04-20 | 2020-04-20 | Automatic threading processing equipment for large-caliber steel pipe joint |
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| CN202010311868.9A CN111360341B (en) | 2020-04-20 | 2020-04-20 | Automatic threading processing equipment for large-caliber steel pipe joint |
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| CN111360341B true CN111360341B (en) | 2024-04-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112108979B (en) * | 2020-10-10 | 2024-05-03 | 济南迈科管道科技有限公司 | Steel pipe threaded pipe fitting rust cleaning equipment |
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| CN111360341A (en) | 2020-07-03 |
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