A clamping device for hot-rolled piercing of steel pipes

Abstract

The utility model discloses a clamping device for hot-rolled perforation of steel pipes, which specifically relates to the technical field of steel pipe clamping equipment, including a base, a guide hole is opened on one side of the top surface of the base, a gear is movably installed inside the base, a guide block is fixedly installed on one side of the top surface of the gear, and the guide block is located in the guide hole, and a first threaded rod is movably installed on one side of the inner side of the base. In the clamping device for hot-rolled perforation of steel pipes described in the utility model, in actual work, a first motor drives the first threaded rod to rotate, so that the rack moves, and the rack can push the gear to rotate, so that the guide block drives the clamping box to move along the guide hole, and the limit block is rotated to drive the rotating shaft and the clamping block to rotate, and under the action of the spring, the limit column can be pushed to insert into the limit hole to fix the rotated clamping block, so as to facilitate the rapid completion of the switch from clamping the end of the steel pipe to clamping the outer wall of the steel pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe clamping equipment, in particular to a clamping device for hot rolling and punching of steel pipes. Background Art

[0002] Hot rolled seamless steel pipe is a large category of seamless steel pipes, which are divided according to the production method. Hot rolling is relative to cold rolling. Cold rolling is rolling at room temperature, while hot rolling is rolling above the recrystallization temperature. When hot rolling and perforating the steel pipe, it is often necessary to use a clamping device to clamp the steel pipe.

[0003] After searching, for example, the utility model with application number 202220277471.7 discloses a clamping device for hot rolling and punching of steel pipe processing, including: an installation frame, a movable column, a clamping plate and an electric cylinder, the installation frame is installed with an electric cylinder, a movable column is fixed at one end of the electric cylinder, and a clamping plate is slidably connected to the inner side of the movable column. The utility model can conveniently clamp the steel pipe by clamping the surface of the steel pipe end inward by the clamping plate or moving the clamping plate outward to abut the inner wall of the steel pipe end. When the end of the steel pipe needs to be processed, the outer wall of the steel pipe needs to be clamped, but the utility model is not convenient for quickly switching from clamping the end of the steel pipe to clamping the outer wall of the steel pipe. Therefore, in order to solve the above defects, the inventor proposes a clamping device for hot rolling and punching of steel pipe. Utility Model Content

[0004] The main purpose of the utility model is to provide a clamping device for hot-rolled piercing of steel pipes, which can effectively solve the problem in the prior art that it is inconvenient to quickly switch from clamping the end of the steel pipe to clamping the outer wall of the steel pipe.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A clamping device for hot-rolled punching of steel pipes, comprising a base, a guide hole is opened on one side of the top surface of the base, a gear is movably installed inside the base, a guide block is fixedly installed on one side of the top surface of the gear, and the guide block is located in the guide hole, a first threaded rod is movably installed on one side of the inside of the base, and a first sliding rod is fixedly installed on the other side of the inside of the base, a rack is threadedly connected to the outer surface of the first threaded rod, and the rack is movably connected to the first sliding rod, the rack is meshed with the gear, a first motor is fixedly installed on one side of the outer surface of the base, and the output end of the first motor is fixedly connected to the first threaded rod, a clamping box is fixedly installed on the top surface of the guide block, and two lifting plates are provided on one side of the outer surface of the clamping box;

[0007] A rotating shaft is movably installed on one side of the lifting plate, and a clamping block for clamping the perforated steel pipe to be hot-rolled is fixedly installed on one end of the rotating shaft, a limiting block is fixedly installed on the end of the rotating shaft away from the clamping block, and a plurality of limiting holes are provided on the outer surface of the limiting block. A supporting plate is fixedly installed on the side of the lifting plate close to the limiting block, and a spring is fixedly installed on the side of the supporting plate close to the limiting block, and a limiting column is fixedly installed on one end of the spring. A pull rod is movably connected to one side of the support plate, and the pull rod is fixedly connected to the limiting column.

[0008] Preferably, a second threaded rod is movably connected to one side of the clamping box, and a second sliding rod is fixedly installed on the other side of the clamping box, the second threaded rod is threadedly connected to two lifting plates, and the two lifting plates are movably connected to the second sliding rod, a second motor is fixedly installed on the outer top surface of the clamping box, and the output end of the second motor is fixedly connected to the second threaded rod.

[0009] Preferably, the outer surface of the second threaded rod is provided with two opposite threads.

[0010] Preferably, a storage cavity is provided on one side of the clamping box, a cylinder is fixedly installed inside the storage cavity, and an inner support column is fixedly installed on the output end of the cylinder, four movable rods are movably connected inside the inner support column, a driving rod is fixedly installed on one side of the four movable rods located inside the inner support column, and an inner support plate is fixedly installed on one end of the four movable rods extending to the outside of the inner support column, a third motor is fixedly installed on one side of the inner support column, and a driving plate is fixedly installed on the output end of the third motor, four driving holes are provided on one side of the driving plate, and the four driving holes are fixedly connected to the four driving rods respectively.

[0011] Preferably, the size of the limiting column is the same as the size of the limiting hole.

[0012] Preferably, two placement blocks are fixedly mounted on the outer top surface of the base.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses a clamping device for hot-rolled punching of steel pipes. By setting a base, in actual work, a first motor drives a first threaded rod to rotate, so that a rack can be moved, and the rack can push the gear to rotate, so that a guide block drives a clamping box to move along a guide hole, and a rotating limit block can be rotated to drive a rotating shaft and a clamping block to rotate, and under the action of a spring, a limit column can be pushed to be inserted into the limit hole to fix the clamping block after rotation, so as to facilitate rapid switching from clamping the end of the steel pipe to clamping the outer wall of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the base of the utility model;

[0017] Figure 3 This is a schematic diagram of the lifting plate structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the clamping box of the utility model;

[0019] Figure 5 It is a schematic diagram of the cross-sectional structure of the inner support column of the utility model.

[0020] In the figure: 1, base; 2, guide hole; 3, clamping box; 4, lifting plate; 5, placement block; 101, gear; 102, first threaded rod; 103, first slide bar; 104, rack; 105, guide block; 106, first motor; 401, shaft; 402, clamping block; 403, limit block; 404, limit hole; 405, support plate; 406, spring; 407, limit column; 408, pull rod; 301, second threaded rod; 302, second slide bar; 303, second motor; 304, storage chamber; 305, cylinder; 306, inner support column; 3061, movable rod; 3062, inner support plate; 3063, drive rod; 3064, third motor; 3065, drive hole. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] The utility model discloses a clamping device for hot rolling and punching of steel pipes. Figure 1-5 As shown, it includes a base 1, two placement blocks 5 are fixedly installed on the outer top surface of the base 1, a guide hole 2 is opened on one side of the top surface of the base 1, a gear 101 is movably installed inside the base 1, a guide block 105 is fixedly installed on one side of the top surface of the gear 101, and the guide block 105 is located in the guide hole 2. When the gear 101 rotates, it can drive the guide block 105 to move along the guide hole 2.

[0023] A first threaded rod 102 is movably mounted on one side of the interior of the base 1, and a first sliding rod 103 is fixedly mounted on the other side of the interior of the base 1, a rack 104 is threadedly connected to the outer surface of the first threaded rod 102, and the rack 104 is movably connected to the first sliding rod 103, the rack 104 is meshed with the gear 101, a first motor 106 is fixedly mounted on one side of the outer surface of the base 1, and the output end of the first motor 106 is fixedly connected to the first threaded rod 102, the first motor 106 drives the first threaded rod 102 to rotate, so that the rack 104 can move, and when the rack 104 moves, it can push the gear 101 to rotate, and a clamping box 3 is fixedly mounted on the top surface of the guide block 105, and two lifting plates 4 are provided on one side of the outer surface of the clamping box 3.

[0024] A rotating shaft 401 is movably installed on one side of the lifting plate 4, and a clamping block 402 for clamping the hot-rolled perforated steel pipe is fixedly installed on one end of the rotating shaft 401. The two lifting plates 4 are arranged in a mirror image, and the two clamping blocks 402 are arranged opposite to each other.

[0025] A limit block 403 is fixedly installed at one end of the rotating shaft 401 away from the clamping block 402. When the rotating shaft 401 rotates, the limit block 403 and the clamping block 402 can be driven to rotate, and the clamping block 402 after rotation can fit the outer wall surface of the steel pipe.

[0026] A plurality of limiting holes 404 are provided on the outer surface of the limiting block 403, a support plate 405 is fixedly installed on the side of the lifting plate 4 close to the limiting block 403, a spring 406 is fixedly installed on the side of the support plate 405 close to the limiting block 403, a limiting column 407 is fixedly installed on one end of the spring 406, a pull rod 408 is movably connected to one side of the support plate 405, and the pull rod 408 is fixedly connected to the limiting column 407, the pull rod 408 is pulled to drive the limiting column 407 to squeeze the spring 406, and the limiting column 407 is pulled out from the limiting hole 404, so that the rotating shaft 401 can be rotated.

[0027] A second threaded rod 301 is movably connected to one side of the clamping box 3, and a second sliding rod 302 is fixedly installed on the other side of the clamping box 3. The second threaded rod 301 is threadedly connected to the two lifting plates 4, and the two lifting plates 4 are movably connected to the second sliding rod 302. A second motor 303 is fixedly installed on the outer top surface of the clamping box 3, and the output end of the second motor 303 is fixedly connected to the second threaded rod 301. The outer surface of the second threaded rod 301 is provided with two opposite sections of threads. When the second motor 303 drives the second threaded rod 301 to rotate, the two lifting plates 4 can move in opposite directions, and then the two clamping blocks 402 can clamp the steel pipe from the outside.

[0028] A storage cavity 304 is provided on one side of the clamping box 3. A cylinder 305 is fixedly installed inside the storage cavity 304, and an inner support column 306 is fixedly installed at the output end of the cylinder 305. The cylinder 305 can push the inner support column 306 to move so that it can be inserted into the steel pipe.

[0029] The inner support column 306 is movably connected with four movable rods 3061. The four movable rods 3061 are fixedly installed with a driving rod 3063 on one side of the inner support column 306, and the four movable rods 3061 are fixedly installed with an inner support plate 3062 at one end extending to the outside of the inner support column 306. A third motor 3064 is fixedly installed on one side of the inner support column 306, and a driving plate is fixedly installed on the output end of the third motor 3064. Four driving holes 3065 are opened on one side of the driving plate, and the four driving holes 3065 are fixedly connected to the four driving rods 3063 respectively. The third motor 3064 drives the driving plate to rotate, and the driving holes 3065 can push the movable rods 3061 to move, so that the inner support plate 3062 can contact the inner wall of the steel pipe, and clamp the steel pipe from the inside of the steel pipe.

[0030] The working principle of the utility model is as follows: the cylinder 305 is started, and the cylinder 305 can push the inner support column 306 to move so that it can be inserted into the steel pipe, and then the third motor 3064 drives the driving plate to rotate, and the driving hole 3065 can push the movable rod 3061 to move, so that the inner support plate 3062 can contact the inner wall of the steel pipe, clamp the steel pipe from the inside of the steel pipe, and then clamp the steel pipe from the inside of the end of the steel pipe. When the end of the steel pipe needs to be processed, the first motor 106 drives the first threaded rod 102 to rotate, so that the rack 104 can move, and the rack 104 can push The gear 101 rotates, so that the guide block 105 drives the clamping box 3 to move along the guide hole 2, and then the limit block 403 is rotated, so that the rotating shaft 401 and the clamping block 402 can be rotated, so that the clamping block 402 can fit the outer wall of the steel pipe, and under the action of the spring 406, the limit column 407 can be pushed to insert into the limit hole 404 to fix the clamping block 402 after rotation. When the second motor 303 drives the second threaded rod 301 to rotate, the two lifting plates 4 can move in opposite directions, so that the two clamping blocks 402 can clamp the outer wall of the steel pipe.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A clamping device for hot-rolling and piercing a steel pipe, comprising a base (1), characterized in that: A guide hole (2) is provided on one side of the top surface of the base (1); a gear (101) is movably mounted inside the base (1); a guide block (105) is fixedly mounted on one side of the top surface of the gear (101), and the guide block (105) is located in the guide hole (2); a first threaded rod (102) is movably mounted on one side of the inside of the base (1); a first sliding rod (103) is fixedly mounted on the other side of the inside of the base (1); and the outer surface of the first threaded rod (102) is A rack (104) is threadedly connected, and the rack (104) is movably connected to the first sliding rod (103), the rack (104) is meshed with the gear (101), a first motor (106) is fixedly installed on one side of the outer surface of the base (1), and the output end of the first motor (106) is fixedly connected to the first threaded rod (102), a clamping box (3) is fixedly installed on the top surface of the guide block (105), and two lifting plates (4) are provided on one side of the outer surface of the clamping box (3); A rotating shaft (401) is movably mounted on one side of the lifting plate (4), a clamping block (402) for clamping the hot-rolled perforated steel pipe is fixedly mounted on one end of the rotating shaft (401), a limiting block (403) is fixedly mounted on one end of the rotating shaft (401) away from the clamping block (402), a plurality of limiting holes (404) are provided on the outer surface of the limiting block (403), a supporting plate (405) is fixedly mounted on one side of the lifting plate (4) close to the limiting block (403), a spring (406) is fixedly mounted on one side of the supporting plate (405) close to the limiting block (403), a limiting column (407) is fixedly mounted on one end of the spring (406), a pull rod (408) is movably connected to one side of the support plate (405), and the pull rod (408) is fixedly connected to the limiting column (407).

2. A clamping device for hot rolling and piercing of steel pipes according to claim 1, characterized in that: A second threaded rod (301) is movably connected to one side of the clamping box (3), and a second sliding rod (302) is fixedly installed on the other side of the clamping box (3); the second threaded rod (301) is threadedly connected to two lifting plates (4), and both lifting plates (4) are movably connected to the second sliding rod (302); a second motor (303) is fixedly installed on the outer top surface of the clamping box (3), and the output end of the second motor (303) is fixedly connected to the second threaded rod (301).

3. A clamping device for hot rolling and piercing of steel pipes according to claim 2, characterized in that: The outer surface of the second threaded rod (301) is provided with two opposite threads.

4. A clamping device for hot rolling and piercing of steel pipes according to claim 1, characterized in that: A storage cavity (304) is provided on one side of the clamping box (3), a cylinder (305) is fixedly installed inside the storage cavity (304), and an inner support column (306) is fixedly installed at the output end of the cylinder (305), four movable rods (3061) are movably connected inside the inner support column (306), a driving rod (3063) is fixedly installed on one side of the four movable rods (3061) located inside the inner support column (306), and an inner support plate (3062) is fixedly installed on one end of the four movable rods (3061) extending to the outside of the inner support column (306), a third motor (3064) is fixedly installed on one side of the inner support column (306), and a driving plate is fixedly installed at the output end of the third motor (3064), four driving holes (3065) are provided on one side of the driving plate, and the four driving holes (3065) are fixedly connected to the four driving rods (3063) respectively.

5. The clamping device for hot rolling and piercing of a steel pipe according to claim 1, characterized in that: The size of the limiting column (407) is the same as the size of the limiting hole (404).

6. A clamping device for hot rolling and piercing of steel pipe according to claim 1, characterized in that: Two placement blocks (5) are fixedly mounted on the outer top surface of the base (1).

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