Seamless steel tube cold-drawing automatic discharging device and discharging method

Abstract

The invention discloses a seamless steel tube cold-drawing automatic discharging device which comprises a base, a sliding seat is arranged on the base in a sliding mode, a connecting seat is fixedly arranged on the lower wall of the sliding seat, rolling wheels are rotationally arranged on the side walls of the two sides of the connecting seat, and two rails corresponding to the rolling wheels are arranged on the base. A mold pulling plate is fixedly arranged on the base, a fixing table is fixedly arranged at the end, close to the mold pulling plate, of the sliding base, two sliding plates are symmetrically arranged on the fixing table in a sliding mode, pushing mechanisms corresponding to the sliding plates are arranged on the fixing table, and clamping plates are fixedly arranged on the two sliding plates. Punch clamping openings are formed in the side walls of the sides, close to each other, of the two clamping plates. The seamless steel pipe cold drawing device can adapt to punch fixing of seamless steel pipes of different models, the adaptability of the device is greatly improved, the steel pipes can be automatically discharged after cold drawing of the seamless steel pipes is completed, and the production efficiency of the device is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of cold drawing of seamless steel pipes, and in particular to an automatic unloading device and a unloading method for cold drawing of seamless steel pipes. Background Art

[0002] Cold drawing is a material processing technology. For metal materials, cold drawing refers to drawing the material at room temperature in order to achieve a certain shape and certain mechanical properties. In the processing of seamless steel pipes, cold drawing technology is often used to adjust the extension length of the pipe diameter. Before cold drawing, it is often necessary to operate the punch on the cold-drawn steel pipe to facilitate one end of the steel pipe to pass through the drawing template for fixing. In the prior art, traditional cold drawing equipment can usually only fix the punch of a certain type of steel pipe, with poor adaptability and frequent manual unloading operations, which is inefficient and labor-intensive. For this reason, we propose a seamless steel pipe cold drawing automatic unloading device and unloading method to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to solve the shortcomings existing in the prior art, such as: the poor adaptability of traditional cold drawing equipment and the need for frequent manual unloading operations, which is inefficient and labor-intensive, and to propose an automatic unloading device and unloading method for cold drawing of seamless steel pipes.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: A seamless steel pipe cold-drawn automatic unloading device comprises a base, a slide seat is slidably arranged on the base, a connecting seat is fixedly arranged on the lower wall of the slide seat, rollers are rotatably arranged on the side walls of both sides of the connecting seat, two tracks corresponding to the rollers are provided on the base, a drafting plate is fixedly arranged on the base, a fixed table is fixedly arranged on one end of the slide seat close to the drafting plate, two slide plates are symmetrically slidably arranged on the fixed table, a pushing mechanism corresponding to the slide plates is provided on the fixed table, clamping plates are fixedly arranged on the two slide plates, punch clamps are provided on the side walls on which the two clamping plates are close to each other, and the two clamping plates are connected to the slide plates through a fixing mechanism, and a pulling mechanism corresponding to the slide seat is also provided on the base.

[0005] Preferably, the pushing mechanism includes a threaded rod, a sliding groove corresponding to the two slides is opened on the fixed platform, the threaded rod is rotatably set in the sliding groove, and the threaded rod is rotatably set through the two slides, threaded through holes corresponding to the threaded rod are opened on the two slides, the threads at both ends of the threaded rod are set in opposite directions, and an automatic rotation mechanism corresponding to the threaded rod is provided on the base.

[0006] Preferably, the automatic rotation mechanism includes a tooth plate, which is fixedly arranged at one end of the base away from the drawing plate through a connecting rod, and one end of the threaded rod is rotated to pass through the side wall of the fixed platform and is fixedly connected to a toothed gear, and the toothed gear is arranged corresponding to the toothed plate.

[0007] Preferably, the fixing mechanism includes two clamping blocks, and an inserting plate is fixedly arranged on the side walls of the two clamping plates on one side close to the skateboard, and slots corresponding to the inserting plate are opened on the side walls of the two skateboards on one side close to the clamping plates, and telescopic grooves corresponding to the clamping blocks are opened on the side walls of the two slots, and the two clamping blocks are respectively slidably arranged in the two telescopic grooves, and the two clamping blocks are connected to the inner walls of the telescopic grooves through springs, and the side walls of the two clamping blocks on one side close to the slot openings are inclined, and slots corresponding to the clamping blocks are opened on the side walls of the two inserting plates, and the two clamping blocks are provided with corresponding control mechanisms.

[0008] Preferably, the control mechanism includes two pull rods, which are respectively fixed on the side walls of the two blocks close to the spring, and both pull rods slide through the upper wall of the slide plate, and both ends of the two pull rods away from the blocks are fixedly connected with pull handles.

[0009] Preferably, the pulling mechanism includes a winding roller, and two fixed plates are symmetrically fixedly arranged at one end of the base away from the stripping template. The winding roller is rotatably arranged between the two fixed plates through a rotating rod, and the two rotating rods are rotatably arranged on the fixed plates. A motor is fixedly arranged on one side of the fixed plate, and the rotating rod rotatably penetrates the fixed plate and is fixedly connected to the output end of the motor on one side. A chain is wound on the winding roller, and the end of the chain away from the winding roller is fixedly arranged on the side wall of the slide seat.

[0010] A method for automatically unloading cold-drawn seamless steel pipes comprises the following steps: S1, pull the slide close to the drawing plate, turn the card gear to drive the slide to open, punch the seamless steel pipe that needs to be cold drawn, and select a suitable clamping plate according to the size of the punch end to install and fix it on the slide.

[0011] S2, pass the punch end through the cold drawing port on the drawing plate and place it between two clamping plates, and the clamping plates are driven by the rotating gear to clamp the punch end of the seamless steel pipe.

[0012] S3, turn on the motor to drive the coiling roller to rotate, coil the chain, and pull the slide to slide toward the end away from the drawing plate, thus completing the cold drawing operation of the seamless steel pipe.

[0013] S4, after all the steel pipes are pulled out from the drawing plate, the card gear contacts the card tooth plate, so that the card tooth plate drives the card gear to rotate, thereby driving the clamping plate to open, and the automatic unloading of the seamless steel pipe can be completed.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting a pull rod, the control of the card block is achieved, and the pull rod can be pulled to drive the card block to slide out of the card slot, thereby releasing the restriction and fixation of the plug plate, facilitating the disassembly and replacement of the clamping plate, so that the clamping plate can adapt to the fixation of the punch end of different models of steel pipes, greatly improving the adaptability of the device, through the cooperation of the card tooth plate and the card gear, when the winding roller winds the chain to pull the slide seat toward one end of the card tooth plate, when the steel pipe is cold drawn and completely passes through the drawing template, the card gear contacts the card tooth plate, and in the process of continuing to move, the card tooth plate drives the card gear to rotate, thereby driving the threaded rod to rotate, and the clamping plate can be opened, and the fixation of the punch end is released, thereby completing the automatic unloading operation, and no frequent manual unloading is required, which greatly improves production efficiency and saves labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of an automatic unloading device for cold drawing of seamless steel pipes proposed by the present invention; Figure 2 This is a schematic diagram of the top view of the structure of an automatic unloading device for cold drawing of seamless steel pipes proposed by the present invention; Figure 3 It is a schematic diagram of the side structure of the clamping table; Figure 4 for Figure 3 The structural diagram at A in the middle; Figure 5 The figure is a schematic side structural diagram of an automatic unloading device for cold drawing of seamless steel pipes proposed by the present invention.

[0016] In the figure: 1 base, 2 connecting seat, 3 roller, 4 slide seat, 5 fixed platform, 6 slide plate, 7 slide groove, 8 threaded rod, 9 clamping plate, 10 card gear, 11 connecting rod, 12 card tooth plate, 13 plug plate, 14 slot, 15 telescopic slot, 16 block, 17 pull rod, 18 handle, 19 fixed plate, 20 winding roller, 21 motor, 22 chain, 23 drawing plate, 24 track, 25 spring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] Reference Figure 1-Figure 5A seamless steel pipe cold drawing automatic unloading device includes a base 1, a slide seat 4 is slidably arranged on the base 1, a connecting seat 2 is fixedly arranged on the lower wall of the slide seat 4, rollers 3 are rotatably arranged on the side walls of the connecting seat 2, two tracks 24 corresponding to the rollers 3 are provided on the base 1, a drafting template 23 is fixedly arranged on the base 1, a fixed platform 5 is fixedly arranged on one end of the slide seat 4 close to the drafting template 23, two slide plates 6 are symmetrically slidably arranged on the fixed platform 5, a pushing mechanism corresponding to the slide plate 6 is provided on the fixed platform 5, and the pushing mechanism includes a threaded rod 8, a slide groove 7 corresponding to the two slide plates 6 is provided on the fixed platform 5, the threaded rod 8 is rotatably arranged in the slide groove 7, and the threaded rod 8 is rotatably arranged to penetrate the two slide plates 6, and the two slide plates 6 are provided with corresponding threaded rods 8 The threaded through hole of the threaded rod 8 is arranged in opposite directions at both ends. An automatic rotation mechanism corresponding to the threaded rod 8 is provided on the base 1. The automatic rotation mechanism includes a tooth plate 12. The tooth plate 12 is fixedly arranged at one end of the base 1 away from the drawing template 23 through a connecting rod 11. One end of the threaded rod 8 rotates to penetrate the side wall of the fixed platform 5 and is fixedly connected with a card gear 10. The card gear 10 is arranged corresponding to the tooth plate 12. Clamping plates 9 are fixedly arranged on the two slides 6. Punch clamps are provided on the side walls of the two clamping plates 9 close to each other, and the two clamping plates 9 are connected to the slide 6 through a fixing mechanism. The fixing mechanism includes two clamping blocks 16. The two clamping plates 9 are fixedly arranged on the side walls of the slide 6 close to the slide 6. The two slides 6 are close to the clamping plates. A slot 14 corresponding to the plug board 13 is provided on one side wall of 9, and a telescopic slot 15 corresponding to the card block 16 is provided on the side walls of the two slots 14. The two card blocks 16 are respectively slidably arranged in the two telescopic slots 15, and the two card blocks 16 are connected to the inner wall of the telescopic slot 15 through a spring 25. The side walls of the two card blocks 16 on one side of the slot 14 opening are inclined, and the side walls of the two plug boards 13 are provided with a card slot corresponding to the card block 16. The two card blocks 16 are provided with a corresponding control mechanism, and the control mechanism includes two pull rods 17, and the two pull rods 17 are respectively fixedly arranged on the side walls of one end of the two card blocks 16 close to the spring 25, and the two pull rods 17 are slidably arranged through the upper wall of the slide plate 6, and the two pull rods 17 are away from the card blocks. One end of 16 is fixedly connected with a pull handle 18, and the base 1 is also provided with a pulling mechanism corresponding to the slide 4, the pulling mechanism includes a winding roller 20, and the end of the base 1 away from the stripping template 23 is symmetrically fixed with two fixed plates 19, the winding roller 20 is rotatably arranged between the two fixed plates 19 through a rotating rod, and the two rotating rods are rotatably arranged on the fixed plate 19, and a motor 21 is fixedly arranged on one side of the fixed plate 19, and a rotating rod on one side rotates through the fixed plate 19 and is fixedly connected with the output end of the motor 21, and a chain 22 is coiled on the winding roller 20, and the end of the chain 22 away from the winding roller 20 is fixedly arranged on the side wall of the slide 4, and the control of the card block 16 is realized by setting a pull rod 17, and the card block 16 can be driven to slide out of the card slot by pulling the pull rod 17.Thus, the restriction and fixation of the plug plate 13 is released, and the disassembly and replacement of the clamping plate 9 is convenient, so that the clamping plate 9 can adapt to the fixation of different types of steel pipe punch ends, which greatly improves the adaptability of the device. Through the cooperation of the clamping plate 12 and the clamping gear 10, when the winding roller 20 winds the chain 22 to pull the slide 4 to one end of the clamping plate 12, when the steel pipe is cold-drawn and completely passes through the drawing template 23, the clamping gear 10 contacts the clamping plate 12, and in the process of continuing to move, the clamping plate 12 drives the clamping gear 10 to rotate, thereby driving the threaded rod 8 to rotate, and the clamping plate 9 can be opened, and the fixation of the punch end is released, thereby completing the automatic unloading operation, and no frequent manual unloading is required, which greatly improves production efficiency and saves labor.

[0019] A method for automatically unloading cold-drawn seamless steel pipes comprises the following steps: S1, pull the slide 4 close to the drawing plate 23, rotate the clamping gear 10 to drive the slide plate 6 to open, punch the seamless steel pipe that needs to be cold-drawn, and select a suitable clamping plate 9 according to the size of the punch end to install and fix it on the slide plate 6.

[0020] S2, the punch end is passed through the cold drawing port on the drawing plate 23 and placed between two clamping plates 9, and the rotating clamping gear 10 drives the clamping plates 9 to clamp the punch end of the seamless steel pipe.

[0021] S3, start the motor 21, drive the coiling roller 20 to rotate, coil the chain 22, and pull the slide 4 to slide toward the end away from the drawing template 23, so as to complete the cold drawing operation of the seamless steel pipe.

[0022] S4, after all the steel pipes are pulled out from the drawing plate 23, the card gear 10 contacts the card tooth plate 12, so that the card tooth plate 12 drives the card gear 10 to rotate, thereby driving the clamping plate 9 to open, and the automatic unloading of the seamless steel pipe can be completed.

[0023] In the present invention, during the cold drawing process of the seamless steel pipe, the slide 4 is first pulled close to the drawing plate 23, the card gear 10 is rotated to drive the threaded rod 8 to rotate, thereby driving the slide plate 6 to open, and the pull rod 17 is pulled to drive the card block 16 to slide out of the card slot to remove the clamping plate 9, and the seamless steel pipe to be cold drawn is punched, and a suitable clamping plate 9 is selected according to the size of the punch end to be installed and fixed on the slide plate 6, and then the punch end is passed through the cold drawing port on the drawing plate 23 and placed between the two clamping plates 9, and the card gear 10 is turned to drive the clamping plate 9 to fix the seamless steel pipe The punch end of the punch is turned on, the motor 21 is turned on, the winding roller 20 is driven to rotate, and the chain 22 is wound, thereby pulling the slide 4 to slide toward the end away from the drawing template 23, and the cold drawing operation of the seamless steel pipe can be completed. After all the steel pipes are pulled out from the drawing template 23, the card gear 10 contacts the card tooth plate 12, so that the card tooth plate 12 drives the card gear 10 to rotate, thereby driving the clamping plate 9 to open, and the automatic unloading of the seamless steel pipe can be completed. There is no need for frequent manual unloading operations, which greatly improves production efficiency and saves labor.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic unloading device for cold drawing of seamless steel pipes, comprising a base (1), characterized in that: A slide seat (4) is slidably arranged on the base (1), a connecting seat (2) is fixedly arranged on the lower wall of the slide seat (4), rollers (3) are rotatably arranged on the side walls of both sides of the connecting seat (2), two tracks (24) corresponding to the rollers (3) are provided on the base (1), a drafting plate (23) is fixedly arranged on the base (1), a fixed table (5) is fixedly arranged on one end of the slide seat (4) close to the drafting plate (23), two slide plates (6) are symmetrically slidably arranged on the fixed table (5), a pushing mechanism corresponding to the slide plates (6) is provided on the fixed table (5), clamping plates (9) are fixedly arranged on the two slide plates (6), punch clamping openings are provided on the side walls of the two clamping plates (9) close to each other, and the two clamping plates (9) are connected to the slide plates (6) through the fixing mechanism, and a pulling mechanism corresponding to the slide seat (4) is also provided on the base (1).

2. The automatic unloading device for cold drawing of seamless steel pipes according to claim 1 is characterized in that: The pushing mechanism comprises a threaded rod (8), a slide groove (7) corresponding to the two slide plates (6) is provided on the fixed platform (5), the threaded rod (8) is rotatably arranged in the slide groove (7), and the threaded rod (8) is rotatably arranged to penetrate the two slide plates (6), threaded through holes corresponding to the threaded rod (8) are provided on the two slide plates (6), threads at both ends of the threaded rod (8) are arranged in opposite directions, and an automatic rotation mechanism corresponding to the threaded rod (8) is provided on the base (1).

3. The automatic unloading device for cold drawing of seamless steel pipes according to claim 2 is characterized in that: The automatic rotation mechanism comprises a latching plate (12), wherein the latching plate (12) is fixedly arranged at one end of the base (1) away from the drawing plate (23) via a connecting rod (11), and one end of the threaded rod (8) is rotatably passed through the side wall of the fixed platform (5) and is fixedly connected to a latching gear (10), wherein the latching gear (10) is arranged correspondingly to the latching plate (12).

4. The automatic unloading device for cold-drawing seamless steel pipes according to claim 1, characterized in that: The fixing mechanism comprises two clamping blocks (16); a plugging plate (13) is fixedly arranged on the side wall of the two clamping plates (9) close to the slide plate (6); a slot (14) corresponding to the plugging plate (13) is opened on the side wall of the two slide plates (6) close to the clamping plates (9); a telescopic slot (15) corresponding to the clamping block (16) is opened on the side wall of the two slots (14); the two clamping blocks (16) are respectively slidably arranged in the two telescopic slots (15); the two clamping blocks (16) are connected to the inner wall of the telescopic slot (15) through a spring (25); the side walls of the two clamping blocks (16) close to the slot (14) opening are inclined; the side walls of the two plugging plates (13) are opened with a slot corresponding to the clamping block (16); and the two clamping blocks (16) are provided with a corresponding control mechanism.

5. The automatic unloading device for cold drawing of seamless steel pipes according to claim 4 is characterized in that: The control mechanism comprises two pull rods (17), the two pull rods (17) are respectively fixedly arranged on the side walls of one end of the two clamping blocks (16) close to the spring (25), and the two pull rods (17) are slidably arranged to penetrate the upper wall of the slide plate (6), and the ends of the two pull rods (17) away from the clamping blocks (16) are fixedly connected with pull handles (18).

6. The automatic unloading device for cold-drawing seamless steel pipes according to claim 1, characterized in that: The pulling mechanism comprises a winding roller (20), two fixed plates (19) are symmetrically fixedly arranged at one end of the base (1) away from the stripping plate (23), the winding roller (20) is rotatably arranged between the two fixed plates (19) through a rotating rod, the two rotating rods are rotatably arranged on the fixed plates (19), a motor (21) is fixedly arranged on one side of the fixed plate (19), and the rotating rod on one side rotatably penetrates the fixed plate (19) and is fixedly connected to the output end of the motor (21), a chain (22) is coiled on the winding roller (20), and the end of the chain (22) away from the winding roller (20) is fixedly arranged on the side wall of the slide seat (4).

7. A method for automatically unloading cold-drawn seamless steel pipes, characterized in that: The following steps are involved: S1, pull the slide (4) close to the drawing plate (23), rotate the clamping gear (10) to drive the slide plate (6) to open, punch the seamless steel pipe to be cold drawn, and select a suitable clamping plate (9) according to the size of the punch end to install and fix it on the slide plate (6); S2, the punch end is passed through the cold drawing opening on the drawing plate (23) and then placed between two clamping plates (9), and the clamping gear (10) drives the clamping plates (9) to clamp the punch end of the seamless steel pipe; S3, turning on the motor (21), driving the coiling roller (20) to rotate, coiling the chain (22), thereby pulling the slide seat (4) to slide toward the end away from the drawing plate (23), thereby completing the cold drawing operation of the seamless steel pipe; S4, after all the steel pipes are pulled out from the drawing plate (23), the clamping gear (10) contacts the clamping tooth plate (12), so that the clamping tooth plate (12) drives the clamping gear (10) to rotate, thereby driving the clamping plate (9) to open, thereby completing the automatic unloading of the seamless steel pipe.

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