Clamping and fixing structure and steel pipe tapping machine thereof

Abstract

The utility model relates to the technical field of steel pipe trepanning, and discloses a clamping and fixing structure and a steel pipe trepanning machine comprising a clamping device, the clamping device comprises a plurality of sets of clamping plates, a plurality of first rubber blocks and second rubber blocks are arranged on the side walls of the multiple sets of clamping plates, and a driving device is arranged on the side walls of the multiple sets of clamping plates. The driving device can change the positions and angles of the multiple clamping plates to clamp the steel pipes of different specifications and shapes, and the driving device comprises a first motor, a second motor and a third motor. Round steel pipes of different specifications can be clamped, square steel pipes can be clamped through first rubber blocks, and the steel pipes are prevented from being extruded and deformed through materials of the first rubber blocks and second rubber blocks. When the output ends of the third motor, the second motor and the first motor rotate, the clamping plate moves up and down, moves left and right and rotates, so that steel pipes of different specifications and shapes are clamped, use is convenient, and the structure is simple.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe hole opening, in particular to a clamping and fixing structure and a steel pipe hole opening machine. Background Art

[0002] As the name implies, a steel pipe is a steel material with a hollow cross-section whose length is much greater than its diameter or circumference. In some operations, it is necessary to drill holes in the steel pipe. However, during the drilling process, the inventors found the following usage problems:

[0003] The prior art discloses an automatic hole-opening machine for steel pipes (202311122635.4), comprising: a turning machine base; a fixed shaft, which is rotatably connected to the inside of the turning machine base through a transmission motor; a clamping block, which is slidably connected to the outside of the fixed shaft, and a plurality of clamping blocks are provided; a support assembly, which is arranged at the end of the turning machine base, and is used to support the steel pipe.

[0004] The prior art clamps and limits the steel pipe by means of clamping blocks and supporting blocks, but its shape and structure can only clamp round steel pipes. It cannot clamp steel pipes with corners, such as square pipes. Its application range is small and it has certain disadvantages.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A clamping and fixing structure, comprising:

[0008] A clamping device, the clamping device comprising a plurality of clamping plates, and a plurality of first rubber blocks and a second rubber block are arranged on the side walls of the plurality of clamping plates;

[0009] The driving device can change the positions and angles of multiple clamping plates to clamp steel pipes of different specifications and shapes. The driving device includes a first motor, a second motor and a third motor.

[0010] As a preferred embodiment of the utility model, the plurality of clamping plates are arc-shaped, the number of clamping plates in each group is two, the two clamping plates are close to each other and in an arc-shaped state, the plurality of clamping plates are arranged in a left-right staggered manner with equal intervals, and the plurality of second rubber blocks are respectively fixedly mounted on the side wall surface where the clamping plates on both sides are close to each other, and the second rubber blocks are also arc-shaped.

[0011] As a preferred embodiment of the utility model, a first fixed block is fixedly installed at one end of the two corresponding clamping plates away from each other, and multiple first rubber blocks are respectively fixedly installed on the first fixed block and the wall surface of the clamping plate. The first rubber block is L-shaped, and multiple rotating rods are arranged between the four groups of clamping plates on the left and right sides. The multiple rotating rods respectively penetrate the two corresponding front and rear clamping plates and are fixedly connected thereto.

[0012] As a preferred embodiment of the utility model, the driving device also includes two guide plates, two first moving blocks are respectively provided on the front sides of the two guide plates, a first motor is fixedly installed on the front side wall surfaces of the two first moving blocks, and the output end of the first motor is fixedly connected to the corresponding rotating rod.

[0013] As a preferred embodiment of the utility model, a second moving block is further provided on the front side of the two guide plates located at the right end of the first moving block, an L-shaped plate is fixedly installed on the rear side wall surfaces of the multiple first moving blocks and the two second moving blocks, an L-shaped groove is opened on the front side wall surfaces of the two guide plates, the L-shaped plate and the L-shaped groove are movably connected, a third fixed block is fixedly installed on the rear side wall surfaces of the two guide plates, a limit plate is provided on the rear side of the guide plate, the limit plate passes through the two third fixed blocks and is movably connected thereto.

[0014] As a preferred embodiment of the utility model, a second motor is fixedly installed on the left side wall of the two second moving blocks, and a first bolt is fixedly installed on the output end of the two second motors. The two first bolts respectively penetrate the two corresponding first moving blocks and are threadedly connected thereto, and the left and right threads of the first bolts are opposite.

[0015] As a preferred embodiment of the utility model, a second fixed block is arranged above the second movable block, a third motor is fixedly installed on the bottom wall of the second fixed block, a second bolt is fixedly installed on the output end of the third motor, the second bolt passes through the two second movable blocks and is threadedly connected thereto, and the upper and lower threads of the second bolt are opposite.

[0016] A steel pipe hole opening machine includes the clamping and fixing structure and a turning machine base as described above, the limit plate is fixedly installed on the top wall of the turning machine base, the second fixing block is fixedly installed on the upper front wall of the turning machine base, and multiple clamping plates are all located on the top wall of the turning machine base.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. In summary, by setting up a clamping device and a driving device, the position and angle of the clamping plate can be changed by the driving device to clamp steel pipes of different specifications and shapes. Compared with the prior art, it is easy to use and has a simple structure.

[0019] 2. In summary, by arranging the clamping plate, the first rubber block, the second rubber block, the first fixed block and the rotating rod, the second rubber block can be used to clamp round steel pipes of different specifications, and the first rubber block can be used to clamp square steel pipes. The materials of the first rubber block and the second rubber block can prevent the steel pipes from being squeezed and deformed. The use is convenient and the structure is simple.

[0020] 3. In summary, by setting the first moving block, the first motor, the guide plate, the second motor, the first bolt, the second fixed block, the third motor, the second moving block, the second bolt, the third fixed block, the limit plate, the L-shaped groove, the rotating rod and the L-shaped plate, the clamping plate can be moved up and down, left and right and rotated when the third motor, the second motor and the output end of the first motor rotate, so as to clamp steel pipes of different specifications and shapes. It is easy to use and has a simple structure.

[0021] 4. In summary, by setting up the turning machine base, the turning machine base can limit the clamping device and the driving device and enable them to operate. It is easy to use and has a simple structure.

[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In the attached picture:

[0024] Figure 1 It is a three-dimensional diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the circular steel pipe clamping of the utility model;

[0026] Figure 3 This is a schematic diagram of the square steel pipe clamping of the utility model;

[0027] Figure 4 This is a perspective view of one side of the driving device of the utility model;

[0028] Figure 5 This is a three-dimensional view of the other side of the driving device of the utility model;

[0029] Figure 6 It is a three-dimensional diagram of the guide plate 17 of the present utility model.

[0030] In the figure: 10, turning machine base; 11, clamping plate; 12, first rubber block; 13, second rubber block; 14, first fixed block; 15, first moving block; 16, first motor; 17, guide plate; 18, second motor; 19, first bolt; 20, second fixed block; 21, third motor; 22, second moving block; 23, second bolt; 24, third fixed block; 25, limit plate; 26, L-shaped groove; 27, rotating rod; 28, L-shaped plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0032] like Figure 1 , Figure 2 and Figure 3 As shown, a clamping and fixing structure comprises:

[0033] A clamping device, the clamping device comprises a plurality of clamping plates 11, and a plurality of first rubber blocks 12 and second rubber blocks 13 are arranged on the side walls of the plurality of clamping plates 11;

[0034] The driving device can change the positions and angles of the plurality of clamping plates 11 to clamp steel pipes of different specifications and shapes. The driving device includes a first motor 16 , a second motor 18 and a third motor 21 .

[0035] During specific use, the clamping device can clamp steel pipes of different specifications and shapes through the clamping plates 11 , and the driving device can enable the clamping plates 11 to perform the clamping operation by moving and rotating the plurality of clamping plates 11 .

[0036] In summary, by providing a clamping device and a driving device, the position and angle of the clamping plate 11 can be changed by the driving device to clamp steel pipes of different specifications and shapes. Compared with the prior art, it is easy to use and has a simple structure.

[0037] like Figure 2 and Figure 3 As shown, the plurality of clamping plates 11 are all arc-shaped, each group of clamping plates 11 has two clamping plates 11, the two clamping plates 11 are close to each other and are in an arc-shaped state, and the plurality of clamping plates 11 are arranged in a left-right staggered manner with equal intervals, and the plurality of second rubber blocks 13 are respectively fixedly mounted on the side wall surface where the clamping plates 11 on both sides are close to each other, and the second rubber blocks 13 are also arc-shaped.

[0038] A first fixed block 14 is fixedly installed at one end of the two corresponding clamping plates 11 away from each other, and multiple first rubber blocks 12 are respectively fixedly installed on the first fixed block 14 and the wall surface of the clamping plate 11. The first rubber block 12 is L-shaped. Multiple rotating rods 27 are arranged between the four groups of clamping plates 11 on the left and right sides. The multiple rotating rods 27 respectively penetrate the two corresponding front and rear clamping plates 11 and are fixedly connected thereto.

[0039] In specific use, when the staff needs to clamp the circular steel pipe, the clamping plates 11 corresponding to the two positions can be fitted together, and then the left and right groups of clamping plates 11 are brought close to each other, so that the second rubber block 13 clamps the circular steel pipe. The material of the second rubber block 13 can fit the side walls of the steel pipe with different curvatures. When the staff needs to clamp the square steel pipe, the multiple clamping plates 11 can be rotated to make the first rubber block 12 correspond to the four corners of the square steel pipe, and then the first rubber block 12 fits the four corners of the square steel pipe when moving, so as to achieve the clamping effect. The materials of the first rubber block 12 and the second rubber block 13 will not squeeze and deform the steel pipe. The first fixed block 14 can limit the first rubber block 12, and give the first rubber block 12 a certain force to make the first rubber block 12 fit the steel pipe. The multiple clamping plates 11 can be rotated and moved by the rotating rod 27. The specific operation of the rotating rod 27 will be discussed below.

[0040] In summary, by providing the clamping plate 11, the first rubber block 12, the second rubber block 13, the first fixed block 14 and the rotating rod 27, the second rubber block 13 can be used to clamp round steel pipes of different specifications, and the first rubber block 12 can be used to clamp square steel pipes. The materials of the first rubber block 12 and the second rubber block 13 can prevent the steel pipes from being squeezed and deformed, and the use is convenient and the structure is simple.

[0041] like Figure 6 , Figure 4 and Figure 5 As shown, the driving device also includes two guide plates 17, and two first moving blocks 15 are respectively provided on the front sides of the two guide plates 17. A first motor 16 is fixedly installed on the front side wall of the two first moving blocks 15, and the output end of the first motor 16 is fixedly connected to the corresponding rotating rod 27.

[0042] A second moving block 22 is also provided on the front side of the two guide plates 17 at the right end of the first moving block 15. An L-shaped plate 28 is fixedly installed on the rear side wall of the multiple first moving blocks 15 and the two second moving blocks 22. An L-shaped groove 26 is opened on the front side wall of the two guide plates 17, and the L-shaped plate 28 and the L-shaped groove 26 are movably connected. A third fixed block 24 is fixedly installed on the rear side wall of the two guide plates 17, and a limiting plate 25 is provided on the rear side of the guide plate 17. The limiting plate 25 passes through the two third fixed blocks 24 and is movably connected thereto.

[0043] A second motor 18 is fixedly installed on the left wall surface of the two second moving blocks 22, and a first bolt 19 is fixedly installed on the output end of the two second motors 18. The two first bolts 19 respectively penetrate the two corresponding first moving blocks 15 and are threadedly connected thereto, and the left and right threads of the first bolt 19 are opposite.

[0044] A second fixed block 20 is disposed above the second moving block 22, a third motor 21 is fixedly mounted on the bottom wall of the second fixed block 20, a second bolt 23 is fixedly mounted on the output end of the third motor 21, the second bolt 23 penetrates through the two second moving blocks 22 and is threadedly connected thereto, and the threads on the upper and lower sides of the second bolt 23 are opposite. The first motor 16, the first motor 16 and the third motor 21 are all connected to the power supply and the switch by electrical signals.

[0045] In specific use, the second fixed block 20 can limit the third motor 21. When the output end of the third motor 21 rotates, the second bolt 23 can be driven to rotate. The opposite threads on the upper and lower sides of the second bolt 23 can drive the two second moving blocks 22 to move closer to or away from each other. The movement of the two second moving blocks 22 can drive the two guide plates 17 to move through the L-shaped plate 28, and the two groups of first moving blocks 15 can be driven to move through the L-shaped groove 26. The movement of the two groups of first moving blocks 15 can drive the two groups of When the first motor 16 moves, the movement of the two groups of first motors 16 can drive the multiple clamping plates 11 to move up and down through the rotating rod 27. When the output end of the second motor 18 rotates, the two groups of first moving blocks 15 can be driven to move left and right toward or away from each other, thereby driving the multiple clamping plates 11 to move left and right. When the output end of the first motor 16 rotates, the clamping plate 11 rotates to clamp steel pipes of different specifications and shapes. The guide plate 17 can be translated up and down through the third fixed block 24 and the limit plate 25.

[0046] In summary, by setting the first moving block 15, the first motor 16, the guide plate 17, the second motor 18, the first bolt 19, the second fixed block 20, the third motor 21, the second moving block 22, the second bolt 23, the third fixed block 24, the limit plate 25, the L-shaped groove 26, the rotating rod 27 and the L-shaped plate 28, the clamping plate 11 can be moved up and down, left and right and rotated by the rotation of the output end of the third motor 21, the second motor 18 and the first motor 16, so as to clamp steel pipes of different specifications and shapes. It is easy to use and has a simple structure.

[0047] like Figure 1 As shown, a steel pipe hole opening machine includes the clamping and fixing structure and the turning machine base 10 as described above, the limit plate 25 is fixedly installed on the top wall of the turning machine base 10, the second fixed block 20 is fixedly installed on the upper front wall of the turning machine base 10, and multiple clamping plates 11 are all located on the top wall of the turning machine base 10.

[0048] It is worth noting that the turning machine base 10 has been disclosed in an automatic steel pipe hole opening machine (202311122635.4) and will not be described in detail here.

[0049] During specific use, the turning machine base 10 can limit the limiting plate 25 and the second fixing block 20, so as to enable the clamping device and the driving device to operate.

[0050] In summary, by providing the turning machine base 10, the turning machine base 10 can limit the clamping device and the driving device and enable them to operate, and is easy to use and has a simple structure.

[0051] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A clamping and fixing structure, characterized in that: include: A clamping device, the clamping device comprising a plurality of groups of clamping plates (11), and a plurality of first rubber blocks (12) and second rubber blocks (13) are arranged on the side walls of the plurality of groups of clamping plates (11); The driving device can change the positions and angles of the plurality of clamping plates (11) to clamp steel pipes of different specifications and shapes. The driving device comprises a first motor (16), a second motor (18) and a third motor (21).

2. The clamping and fixing structure according to claim 1, characterized in that: The plurality of clamping plates (11) are all arc-shaped, each group of clamping plates (11) has two clamping plates (11), the two clamping plates (11) are close to each other and are in an arc-shaped state, the plurality of groups of clamping plates (11) are arranged in a left-right manner with equal spacing, and the plurality of second rubber blocks (13) are respectively fixedly mounted on the side wall surfaces of the clamping plates (11) on both sides close to each other, and the second rubber blocks (13) are also arc-shaped.

3. The clamping and fixing structure according to claim 2, characterized in that: A first fixing block (14) is fixedly mounted on one end of the two corresponding clamping plates (11) that is away from each other. A plurality of first rubber blocks (12) are respectively fixedly mounted on the first fixing block (14) and the wall surface of the clamping plate (11). The first rubber block (12) is L-shaped. A plurality of rotating rods (27) are arranged between the four groups of clamping plates (11) on the left and right sides. The plurality of rotating rods (27) respectively penetrate the two corresponding front and rear clamping plates (11) and are fixedly connected thereto.

4. The clamping and fixing structure according to claim 1, characterized in that: The driving device further comprises two guide plates (17), the front sides of the two guide plates (17) are respectively provided with two first moving blocks (15), the front side walls of the two first moving blocks (15) are each fixedly mounted with a first motor (16), and the output end of the first motor (16) is fixedly connected to the corresponding rotating rod (27).

5. The clamping and fixing structure according to claim 4, characterized in that: A second moving block (22) is also arranged on the front side of the two guide plates (17) at the right end of the first moving block (15); an L-shaped plate (28) is fixedly installed on the rear side wall surfaces of the plurality of first moving blocks (15) and the two second moving blocks (22); an L-shaped groove (26) is provided on the front side wall surfaces of the two guide plates (17); the L-shaped plate (28) and the L-shaped groove (26) are movably connected; a third fixed block (24) is fixedly installed on the rear side wall surfaces of the two guide plates (17); a limiting plate (25) is arranged on the rear side of the guide plates (17); the limiting plate (25) passes through the two third fixed blocks (24) and is movably connected thereto.

6. The clamping and fixing structure according to claim 5, characterized in that: A second motor (18) is fixedly mounted on the left wall surface of each of the two second moving blocks (22); a first bolt (19) is fixedly mounted on the output end of each of the two second motors (18); the two first bolts (19) respectively penetrate through two corresponding first moving blocks (15) and are threadedly connected thereto; the left and right sides of the first bolt (19) have opposite threads.

7. The clamping and fixing structure according to claim 6, characterized in that: A second fixed block (20) is arranged above the second moving block (22); a third motor (21) is fixedly mounted on the bottom wall of the second fixed block (20); a second bolt (23) is fixedly mounted on the output end of the third motor (21); the second bolt (23) passes through the two second moving blocks (22) and is threadedly connected thereto; the threads on the upper and lower sides of the second bolt (23) are opposite.

8. A steel pipe hole opening machine, characterized in that: It comprises a clamping and fixing structure and a turning machine base (10) as described in any one of claims 1 to 7, wherein a limit plate (25) is fixedly mounted on the top wall of the turning machine base (10), a second fixing block (20) is fixedly mounted on the upper front wall of the turning machine base (10), and a plurality of clamping plates (11) are all located on the top wall of the turning machine base (10).

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