Steel pipe cutting, clamping and guiding rack

Abstract

The utility model provides a steel pipe cutting, clamping and guiding machine frame. The steel pipe cutting, clamping and guiding machine frame comprises a mounting frame, a fixing sleeve, an annular chuck and a driving assembly. According to the steel pipe cutting, clamping and guiding machine frame, the installation frame is arranged, the fixing sleeve is fixedly installed in the middle of the installation frame, the cutting device used for cutting the steel pipe is rotationally arranged on the outer side of the fixing sleeve, the annular chuck is installed at one end of the fixing sleeve, and the arc-shaped clamping jaws used for fixing the steel pipe are arranged on the annular chuck. In the steel pipe cutting process, a steel pipe penetrates through the fixing sleeve and is fixed through the arc-shaped clamping jaws on the annular chuck, meanwhile, the position of the steel pipe can be positioned through the arc-shaped clamping jaws, and the position of the steel pipe can be guaranteed while it is guaranteed that the steel pipe is fixed. And finally, the cutting device is used for cutting the circumference of the steel pipe, operation is convenient, and the cutting quality of the steel pipe can be improved by fixing the steel pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe cutting equipment, and particularly relates to a steel pipe cutting clamping and guiding rack. Background Art

[0002] During the production process of steel pipes, cutting devices are used to cut the steel pipes according to the designed length. Usually, plasma cutting is adopted. A plasma cutting gun is installed on a rack. The steel pipe is conveyed to the rack, and then the plasma cutting gun rotates around the outer side of the steel pipe to cut the steel pipe. At present, when the steel pipe is conveyed to the rack, a guiding mechanism is needed to guide the position of the steel pipe. Usually, guiding rollers are used to limit the position of the steel pipe. On the one hand, the position of the guiding rollers needs to be adjusted to ensure that the axis of the steel pipe and the rotation axis of the plasma cutting gun are on the same axis. At the same time, the simple setting of the guiding rollers is not convenient for fixing the steel pipe, which affects the quality of the end face during the cutting process of the steel pipe. Summary of the Utility Model

[0003] An embodiment of the utility model provides a steel pipe cutting clamping and guiding rack, aiming at solving the problems of inconvenient operation and affecting cutting quality in the use of the existing steel pipe guiding rack.

[0004] To achieve the above object, the technical solution adopted by the utility model is: to provide a steel pipe cutting clamping and guiding rack, including:

[0005] An installation rack;

[0006] A fixed sleeve, fixedly installed on the installation rack;

[0007] An annular chuck, installed at one end of the fixed sleeve. An arc-shaped claw for clamping the steel pipe is arranged on the annular chuck, and the arc-shaped claw is coaxially arranged with the fixed sleeve;

[0008] A driving component, installed on the annular chuck, for driving the arc-shaped claw to move on the annular chuck to clamp or release the steel pipe.

[0009] In a possible implementation manner, a guiding disk for fixing to the fixed sleeve is fixedly installed at one end of the annular chuck. A guiding ring that is slidably matched with the inner hole of the fixed sleeve protrudes from the end of the guiding disk, and the outer circle of the guiding ring is coaxially arranged with the arc-shaped claw.

[0010] In a possible implementation manner, the fixed sleeve includes a fixed part fixedly installed on the installation rack and a connecting ring detachably installed at one end of the fixed part. The guiding ring is slidably arranged inside the connecting ring.

[0011] In a possible implementation, a guide hole that slidably mates with the end of the fixed portion is provided at one end of the connecting ring away from the guide ring. When the guide ring is mounted onto the connecting ring, the guide hole is coaxially arranged with the guide ring.

[0012] In a possible implementation, the end of the fixed portion abuts against the bottom of the guide hole, and a fixing member for fixing the fixed portion to the connecting ring is also threadedly connected to the end of the fixed portion.

[0013] In a possible implementation, a guide frame for guiding a steel pipe is further fixedly mounted on one side of the mounting frame away from the annular chuck. Two first guide rollers are rotatably arranged on the guide frame at intervals and in parallel in the vertical direction, and second guide rollers are arranged at intervals and in parallel in the horizontal direction and perpendicular to the steel pipe conveying direction.

[0014] In a possible implementation, an annular frame is rotatably arranged on the outer side of the fixed sleeve. The rotation axis of the annular frame is coaxially arranged with the fixed sleeve, and a cutting device for cutting the steel pipe is further mounted on the annular frame. A driving member for driving the annular frame to rotate is also mounted on the mounting frame.

[0015] In a possible implementation, the driving assembly includes:

[0016] A moving ring, which is slidably arranged on the annular chuck along the axis direction of the annular chuck. The number of the arc-shaped claws is multiple, and the multiple arc-shaped claws are fixedly mounted at intervals along the circumference of the moving ring at the end of the moving ring. A tapered hole for guiding the arc-shaped claws to clamp the steel pipe is provided at the end of the annular chuck;

[0017] A piston body, which is fixedly connected to the moving ring. A piston chamber for the piston body to move along the axis direction of the annular chuck is arranged inside the annular chuck, and two air vents are communicated with the piston chamber.

[0018] The solution shown in the embodiments of the present application, compared with the prior art, is provided with a mounting frame. A fixing sleeve is fixedly installed in the middle of the mounting frame. A cutting device for cutting steel pipes is rotatably arranged outside the fixing sleeve. And an annular chuck is installed at one end of the fixing sleeve. Arc-shaped clamping jaws for fixing the steel pipe are arranged on the annular chuck. The number of the arc-shaped clamping jaws is multiple, and the positions of the multiple arc-shaped clamping jaws on the annular chuck have the freedom to be adjusted along the direction of approaching or departing from the axis of the annular chuck. During the cutting process of the steel pipe, the steel pipe passes through the fixing sleeve and is fixed by the arc-shaped clamping jaws on the annular chuck. At the same time, the position of the steel pipe can be positioned by the arc-shaped clamping jaws, ensuring the position of the steel pipe while ensuring its fixation. Finally, the cutting device is used to cut the circumference of the steel pipe, which is convenient to operate, and the cutting quality of the steel pipe can be improved by fixing the steel pipe. Description of the Drawings

[0019] Figure 1 is a schematic structural view of a steel pipe cutting, clamping and guiding machine frame provided by an embodiment of the present utility model;

[0020] Figure 2 is Figure 1 a partial view of part A in

[0021] Figure 3 is a partial view of an annular chuck provided by an embodiment of the present utility model;

[0022] Description of the Reference Numerals:

[0023] 1, mounting frame; 2, fixing sleeve; 21, connecting ring; 22, fixing member; 3, annular chuck; 31, arc-shaped clamping jaw; 4, driving assembly; 41, moving ring; 42, piston body; 5, guiding disc; 51, guiding ring; 6, guiding frame; 61, first guiding roller; 62, second guiding roller; 7, annular frame; 71, driving member; 8, cutting device. Detailed Embodiments

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0025] Please refer to Figures 1 to 3, the steel pipe cutting, clamping and guiding machine frame provided by the present utility model will be described below. The steel pipe cutting, clamping and guiding machine frame includes a mounting frame 1, a fixed sleeve 2, an annular chuck 3 and a driving assembly 4. The fixed sleeve 2 is fixedly installed on the mounting frame 1; the annular chuck 3 is installed at one end of the fixed sleeve 2, and the annular chuck 3 is provided with arc-shaped claws 31 for clamping the steel pipe, and the arc-shaped claws 31 are coaxially arranged with the fixed sleeve 2; the driving assembly 4 is installed on the annular chuck 3 and is used to drive the arc-shaped claws 31 to move on the annular chuck 3 and clamp or release the steel pipe.

[0026] Compared with the prior art, the steel pipe cutting, clamping and guiding machine frame provided by this embodiment is provided with a mounting frame 1, a fixed sleeve 2 is fixedly installed in the middle of the mounting frame 1, a cutting device 8 for cutting the steel pipe is rotatably arranged outside the fixed sleeve 2, and an annular chuck 3 is installed at one end of the fixed sleeve 2, and the annular chuck 3 is provided with arc-shaped claws 31 for fixing the steel pipe. The number of the arc-shaped claws 31 is multiple, and the positions of the multiple arc-shaped claws 31 on the annular chuck 3 have the freedom to be adjusted along the direction of approaching or departing from the axis of the annular chuck 3. During the process of cutting the steel pipe, the steel pipe passes through the fixed sleeve 2 and is fixed by the arc-shaped claws 31 on the annular chuck 3. At the same time, the position of the steel pipe can be positioned by the arc-shaped claws 31, ensuring the position of the steel pipe while ensuring the fixation of the steel pipe. Finally, the cutting device 8 is used to cut the circumference of the steel pipe, which is convenient to operate, and the cutting quality of the steel pipe can be improved by fixing the steel pipe.

[0027] In some embodiments, the above-mentioned annular chuck 3 can adopt the structure as Figure 2 , Figure 3 shown. Referring to Figure 2 , Figure 3 together, a guiding disc 5 for fixing to the fixed sleeve 2 is fixedly installed at one end of the annular chuck 3. A guiding ring 51 that is slidably matched with the inner hole of the fixed sleeve 2 protrudes from the end of the guiding disc 5, and the outer circle of the guiding ring 51 is coaxially arranged with the arc-shaped claws 31. A guiding disc 5 is fixedly installed at one end of the annular chuck 3 by bolts, and a positioning pin for fixing the positions of the annular chuck 3 and the guiding disc 5 is further arranged between the annular chuck 3 and the guiding disc 5. The guiding disc 5 is coaxially arranged with the annular chuck 3, and a guiding ring 51 protrudes from one end of the guiding disc 5. The guiding ring 51 is coaxially arranged with the guiding disc 5, and the guiding ring 51 is slidably arranged inside the inner hole of the fixed sleeve 2, so that the positions of the annular chuck 3 and the fixed sleeve 2 can be positioned by the guiding ring 51, ensuring that when the annular chuck 3 is installed on the fixed sleeve 2, the arc-shaped claws 31 and the fixed sleeve 2 are kept in a coaxial state.

[0028] In some embodiments, the above-mentioned fixed sleeve 2 can adopt the structure as Figure 2 shown. Refer to Figure 2, the fixing sleeve 2 includes a fixing part fixedly installed on the mounting bracket 1 and a connecting ring 21 detachably installed at one end of the fixing part. The guiding ring 51 is slidably arranged inside the connecting ring 21. The fixing part is fixedly installed on the mounting bracket 1, and the fixing part is of an annular structure. The fixing part and the connecting ring 21 are coaxially arranged. The inner hole of the connecting ring 21 is in sliding fit with the outer ring of the guiding ring 51. Thus, when machining the fixing sleeve 2, the inner hole of the connecting ring 21 can be machined separately, and then the connecting ring 21 is installed on the fixing part, which facilitates machining the connecting part between the fixing sleeve 2 and the guiding ring 51.

[0029] In some embodiments, the above-mentioned connecting ring 21 can adopt a structure as Figure 2 shown. Refer to Figure 2 , a guiding hole in sliding fit with the end of the fixing part is arranged at one end of the connecting ring 21 away from the guiding ring 51. When the guiding ring 51 is installed on the connecting ring 21, the guiding hole and the guiding ring 51 are coaxially arranged. A guiding hole for installing onto the fixing part is arranged at one end of the connecting ring 21, and the guiding hole is in sliding fit with the outer ring of the end of the fixing part. Through the arrangement of the guiding hole, the connecting ring 21 can be conveniently installed on the fixing part, and through the connecting ring 21, the connection between the fixing part and the annular chuck 3 can be achieved quickly and conveniently.

[0030] In some embodiments, the above-mentioned fixing part can adopt a structure as Figure 2 shown. Refer to Figure 2 , the end of the fixing part abuts against the bottom of the guiding hole, and a fixing member 22 for fixing the fixing part to the connecting ring 21 is also threadedly connected to the end of the fixing part. The guiding hole is a counterbore. When the fixing part is installed inside the guiding hole, the end of the fixing part abuts against the bottom end of the guiding hole. The fixing member 22 is a bolt. A through hole for installing the fixing member 22 is arranged at the bottom end of the guiding hole, and a threaded hole for installing the fixing member 22 is arranged at the end of the fixing part. By installing the fixing member 22 at the end of the fixing part, the fixed connection between the fixing part and the connecting ring 21 can be conveniently achieved.

[0031] Specifically, in this embodiment, the number of the fixing members 22 is multiple, and the multiple fixing members 22 are evenly spaced along the circumferential direction of the fixing part at the end of the fixing part.

[0032] Specifically, in this embodiment, a plurality of threaded holes for installing the guiding disc 5 are arranged on the connecting ring 21. The guiding disc 5 can be fixedly installed on the connecting ring 21 through bolts. Preferably, in this embodiment, bolts can penetrate through the annular chuck 3 and the guiding disc 5 and then be threadedly connected to the connecting ring 21 to synchronously connect and fix the annular chuck 3 and the guiding disc 5 to the connecting ring 21 together.

[0033] In some embodiments, the above-mentioned mounting bracket 1 can adopt a structure as Figure 1 shown. Refer to Figure 1A guide frame 6 for guiding the steel pipe is fixedly installed on one side of the mounting frame 1 away from the annular chuck 3. Two first guide rollers 61 arranged in parallel and spaced in the vertical direction and second guide rollers 62 arranged in parallel and spaced in the horizontal direction and perpendicular to the conveying direction of the steel pipe are rotatably arranged on the guide frame 6. The guide frame 6 and the annular chuck 3 are arranged on both sides of the mounting frame 1. The steel pipe enters the interior of the fixed sleeve 2 from one side of the guide frame 6 and is inserted into the interior of the annular chuck 3. The steel pipe is fixed in the interior of the annular chuck 3 by the arc-shaped claw 31. Through the setting of the guide frame 6, the steel pipe can be supported and guided to a certain extent. The first guide roller 61 and the second guide roller 62 are arranged in the conveying direction of the steel pipe at intervals, and the positions of the two first guide rollers 61 on the guide frame 6 have the freedom to adjust in the vertical direction. The positions of the two second guide rollers 62 on the guide frame 6 have the freedom to adjust in the horizontal direction and perpendicular to the conveying direction of the steel pipe. Therefore, the positions of the first guide roller 61 and the second guide roller 62 can be fine-tuned according to the position of the conveying steel pipe. By providing the guide frame 6 , the stability of the position of the steel pipe during transportation can be ensured, and the annular chuck 3 can be used to position and fix the steel pipe.

[0034] Specifically, in this embodiment, the position adjustment method and structure of the first guide roller 61 and the second guide roller 62 are both prior arts and will not be elaborated herein.

[0035] In some embodiments, the fixing sleeve 2 may be Figure 1 See the structure shown. Figure 1 , an annular frame 7 is rotatably arranged on the outer side of the fixed sleeve 2, the rotation axis of the annular frame 7 is coaxially arranged with the fixed sleeve 2, and a cutting device 8 for cutting the steel pipe is also installed on the annular frame 7, and a driving member 71 for driving the annular frame 7 to rotate is also installed on the mounting frame 1. An annular frame 7 is rotatably arranged on the outer side of the fixed sleeve 2, and the annular frame 7 is rotatably arranged on the outer side of the fixed sleeve 2 through a bearing. The annular frame 7 is coaxially arranged with the fixed sleeve 2 and the arc-shaped claws 31 on the annular chuck 3. A cutting device 8 is installed on the annular frame 7, and the cutting device 8 adopts plasma cutting. The working part of the cutting device 8 is arranged along the radial direction of the annular frame 7, and the position of the working part of the cutting device 8 on the annular frame 7 has the freedom of adjustment along the radial direction of the annular frame 7. The cutting device 8 rotates around the circumference of the steel pipe by the annular frame 7 rotating on the outer side of the fixed sleeve 2, and the circumference of the steel pipe is cut.

[0036] Specifically, in this embodiment, a gear plate is fixedly mounted on the annular frame 7, and a gear meshing with the gear plate is transmission-connected to the driving end of the driving member 71, so that the gear plate can be driven to rotate by the driving member 71 and then the annular frame 7 can be driven to rotate.

[0037] In some embodiments, the drive assembly 4 may be configured as follows: Figure 3 See the structure shown.Figure 3 , the number of the arc-shaped clamping claws 31 is multiple. The multiple arc-shaped clamping claws 31 are fixedly installed at the end of the moving ring 41 at intervals along the circumferential direction of the moving ring 41. A conical hole for guiding the arc-shaped clamping claws 31 to clamp the steel pipe is arranged at the end of the annular chuck 3; the piston body 42 is fixedly connected with the moving ring 41. A piston cavity for the piston body 42 to move along the axis direction of the annular chuck 3 is arranged inside the annular chuck 3, and two air vents are communicated with the piston cavity. A conical hole is arranged at the end of the annular chuck 3, and the inner diameter of the conical hole at the end of the annular chuck 3 is larger than the inner diameter of the conical hole inside the annular chuck 3. When the moving ring 41 moves towards the inside of the annular chuck 3, the multiple arc-shaped clamping claws 31 are extruded towards the axis direction of the annular chuck 3 through the guiding of the conical hole, so as to realize the fixation of the steel pipe. A piston cavity is arranged inside the annular chuck. The piston body 42 is installed inside the piston cavity. The movement of the piston body 42 drives the moving ring 41 to move together. Thus, the switching of the working state of the arc-shaped clamping is realized.

[0038] Specifically, in this embodiment, the two air vents on the piston cavity are located on both sides of the piston body 42. The position of the piston body 42 is switched by controlling the air intake states of the two air vents. The piston cavity is a sealed structure. The movement state of the piston body 42 is controlled by switching the ventilation states of the two air vents. The connection structure between the piston cavity and the piston body 42 adopts the existing technology and will not be elaborated here.

[0039] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel pipe cutting, clamping and guiding machine frame, characterized in that, Comprising: Mounting bracket (1); Fixed sleeve (2), fixedly installed on the mounting bracket (1); Annular chuck (3), installed at one end of the fixed sleeve (2), an arc-shaped claw (31) for clamping a steel pipe is arranged on the annular chuck (3), and the arc-shaped claw (31) is coaxially arranged with the fixed sleeve (2); Drive assembly (4), installed on the annular chuck (3), for driving the arc-shaped claw (31) to move on the annular chuck (3) and clamping or releasing the steel pipe.

2. The steel pipe cutting clamping and guiding machine frame according to claim 1, wherein One end of the annular chuck (3) is fixedly installed with a guide disk (5) for fixing to the fixed sleeve (2), a guide ring (51) slidably matched with the inner hole of the fixed sleeve (2) protrudes from the end of the guide disk (5), and the outer circle of the guide ring (51) is coaxially arranged with the arc-shaped claw (31).

3. The steel pipe cutting, clamping and guiding machine frame according to claim 2, wherein, The fixed sleeve (2) includes a fixed part fixedly installed on the mounting bracket (1), and a connecting ring (21) detachably installed at one end of the fixed part, and the guide ring (51) is slidably arranged inside the connecting ring (21).

4. The steel pipe cutting clamping and guiding machine frame according to claim 3, characterized in that, A guide hole slidably matched with the end of the fixed part is arranged at one end of the connecting ring (21) away from the guide ring (51). When the guide ring (51) is installed on the connecting ring (21), the guide hole is coaxially arranged with the guide ring (51).

5. The steel pipe cutting clamping and guiding machine frame according to claim 4, characterized in that, The end of the fixed part abuts against the bottom of the guide hole, and a fixing member (22) for fixing the fixed part to the connecting ring (21) is also threadedly connected to the end of the fixed part.

6. The steel pipe cutting, clamping and guiding machine frame according to claim 1, characterized in that A guide frame (6) for guiding the steel pipe is also fixedly installed on one side of the mounting bracket (1) away from the annular chuck (3). Two first guide rollers (61) arranged at intervals and parallel to each other in the vertical direction, and second guide rollers (62) arranged at intervals and parallel to each other in the horizontal direction and perpendicular to the steel pipe conveying direction are rotatably arranged on the guide frame (6).

7. The steel pipe cutting clamping and guiding machine frame according to claim 1, wherein, An annular frame (7) is rotatably arranged on the outer side of the fixed sleeve (2), the rotation axis of the annular frame (7) is coaxially arranged with the fixed sleeve (2), and a cutting device (8) for cutting the steel pipe is also installed on the annular frame (7). A driving member (71) for driving the annular frame (7) to rotate is also installed on the mounting bracket (1).

8. The steel pipe cutting, clamping and guiding machine frame according to claim 1, characterized in that, The drive assembly (4) includes: Moving ring (41), slidably arranged on the annular chuck (3) along the axis direction of the annular chuck (3). The number of the arc-shaped claws (31) is multiple, and the multiple arc-shaped claws (31) are fixedly installed at the end of the moving ring (41) at intervals along the circumference of the moving ring (41). A tapered hole for guiding the arc-shaped claw (31) to clamp the steel pipe is arranged at the end of the annular chuck (3); Piston body (42), fixedly connected to the moving ring (41). A piston chamber for the piston body (42) to move along the axis direction of the annular chuck (3) is arranged inside the annular chuck (3), and two air vents are communicated with the piston chamber.

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