A fixed-length pipe cutting device for seamless steel pipe processing

Abstract

The utility model discloses a fixed length pipe cutting device for seamless steel pipe processing relates to the technical field of seamless steel pipe processing, including the workstation, the workstation's upper portion is provided with cutting assembly. The utility model has the beneficial effect that: through the one end of steel pipe and clamping into the outer side of runner, positioning sleeve fills the gap between runner and steel pipe inner chamber at this moment, forms the spacing to steel pipe, in the cutting process, motor starts and drives the disc rotation, and the disc rotation drives the push block to slide in the vertical groove, to make transmission block will kinetic energy transmission, through the connecting axle with runner synchronous rotation, make the steel pipe rotation adjustment cutting surface in the outer side of positioning sleeve, and multiple pulleys in the inside of clamping block guarantee that the steel pipe can smoothly complete the rotation, realized when cutting the steel pipe of diameter is relatively thick, need not to carry out the intervention and consume additional adjustment time, guarantee the continuity of cutting process, thereby improved the efficiency of steel pipe cutting.

Description

Technical Field

[0001] This utility model relates to the field of seamless steel pipe processing technology, and in particular to a fixed-length pipe cutting device for seamless steel pipe processing. Background Technology

[0002] Seamless steel pipes are made by piercing a single round steel bar, resulting in a steel pipe with no weld seam on its surface. They are mainly used as oil and gas drilling pipes, cracking pipes for petrochemicals, boiler tubes, bearing tubes, and high-precision structural steel pipes for automobiles, tractors, and aviation. Before being processed, seamless steel pipes need to be cut to the required length.

[0003] Existing fixed-length pipe cutting devices for seamless steel pipe processing often encounter problems when cutting thicker pipes. The blade cannot penetrate the pipe wall in one cut. Instead, after cutting a section of the curved surface, a worker must intervene to loosen the clamps, rotate the pipe, and then allow the blade to cut other curved surfaces sequentially. For thicker pipes, multiple adjustments may be necessary to complete the final cut. This entire process is not only cumbersome, but each rotation and adjustment of the pipe takes considerable time, significantly reducing the efficiency of pipe cutting. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A fixed-length pipe cutting device for seamless steel pipe processing includes a worktable, a cutting assembly disposed above the worktable, and a scale fixedly connected to the top of the worktable. It also includes:

[0007] An adjustment mechanism for quickly cutting steel pipes is installed on the top of the workbench. The adjustment mechanism includes a fixed frame, a connecting shaft, a transmission block, a rotating wheel, and a positioning sleeve. The fixed frame is fixed to the top of the workbench, the connecting shaft rotates on the inner wall of the fixed frame, the transmission block is fixed to the outer side of the connecting shaft, the rotating wheel is located on the outer side away from the connecting shaft, and the positioning sleeve is fitted on the outer side of the rotating wheel.

[0008] The connecting mechanism, which facilitates the replacement of the rotating wheel, is located on the outside of the connecting shaft.

[0009] As a preferred embodiment of the fixed-length pipe cutting device for seamless steel pipe processing described in this utility model, the adjusting mechanism further includes a driving component, a transmission component, a clamping component, and pulleys. The driving component is located on the outside of the fixed frame, the transmission component is located on the outside of the driving component, the clamping component is located on the top of the worktable, and multiple pulleys are provided on the inner side of the clamping component.

[0010] As a preferred embodiment of the fixed-length pipe cutting device for seamless steel pipe processing described in this utility model, the driving component includes a motor fixed on the outside of the fixing frame, and a disc is provided at the output end of the motor.

[0011] As a preferred embodiment of the fixed-length pipe cutting device for seamless steel pipe processing described in this utility model, the transmission component includes a lever fixed on the outside of the disc, the inner wall of the transmission lever is provided with a vertical groove, and the outer side of the lever is slidably connected to the inner wall of the vertical groove.

[0012] As a preferred embodiment of the fixed-length pipe cutting device for seamless steel pipe processing described in this utility model, the positioning sleeve is made of rubber and the rotating wheel is cylindrical.

[0013] As a preferred embodiment of the fixed-length pipe cutting device for seamless steel pipe processing described in this utility model, the connecting mechanism includes a sleeve, an adjusting component, a positioning component, a conical block, a fixing component, and a second spring. The sleeve is fixed to the inner side of the rotating wheel, the adjusting component is disposed on the inner side of the connecting shaft, the positioning component is disposed at one end of the connecting shaft, the conical block is disposed on the outer side of the adjusting component, the fixing component is disposed on the inner side of the sleeve, and the second spring is disposed on the outer side of the fixing component.

[0014] As a preferred embodiment of the fixed-length pipe cutting device for seamless steel pipe processing described in this utility model, the adjusting component includes a limiting block that slides on the inner wall of the connecting shaft, a connecting rod that is fixedly connected to the inner wall of the limiting block, a first spring that is sleeved on the outer side of the connecting rod, and a conical block that is fixedly connected to one end of the connecting rod.

[0015] As a preferred embodiment of the fixed-length pipe cutting device for seamless steel pipe processing described in this utility model, the positioning component includes two support blocks that rotate at one end of the connecting rod, and two positioning grooves are provided at one end of the connecting shaft.

[0016] As a preferred embodiment of the fixed-length pipe cutting device for seamless steel pipe processing described in this utility model, the fixing component includes four positioning blocks that slide on the inner wall of the connecting shaft, and four sets of limiting grooves are circumferentially opened on the inner wall of the sleeve, with the outer side of the positioning block engaging with the inner side of the limiting groove.

[0017] In a preferred embodiment of the fixed-length pipe cutting device for seamless steel pipe processing described in this utility model, one end of the second spring is fixedly connected to the outer side of the positioning block, and the other end of the second spring is fixedly connected to the inner wall of the connecting shaft.

[0018] The beneficial effects of this utility model are as follows: By inserting one end of the steel pipe into the outside of the rotating wheel, the positioning sleeve fills the gap between the rotating wheel and the inner cavity of the steel pipe, thus limiting the steel pipe. During the cutting process, the motor starts and drives the disc to rotate. When the disc rotates, it drives the lever to slide in the vertical groove, thereby transmitting kinetic energy through the transmission block. The rotating wheel rotates synchronously through the connecting shaft, causing the steel pipe located outside the positioning sleeve to rotate and adjust the cutting surface. At the same time, multiple pulleys on the inner side of the clamping block ensure that the steel pipe can rotate smoothly. This eliminates the need for intervention and additional adjustment time when cutting steel pipes with a larger diameter, ensuring the continuity of the cutting process and thus improving the efficiency of steel pipe cutting. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0020] Figure 1 This is an overall structural diagram of a fixed-length pipe cutting device used for seamless steel pipe processing.

[0021] Figure 2 Another view of the overall structure of the fixed-length pipe cutting device used for seamless steel pipe processing.

[0022] Figure 3 This is a structural diagram of the adjustment mechanism of a fixed-length pipe cutting device used for seamless steel pipe processing.

[0023] Figure 4 This is a structural diagram showing the separation of the sleeve and connecting shaft of a fixed-length pipe cutting device used for seamless steel pipe processing.

[0024] Figure 5 This is a structural diagram of the fixed component of a pipe cutting device for processing seamless steel pipes.

[0025] The diagram is labeled as follows: 1. Workbench; 2. Cutting assembly; 3. Scale; 4. Adjustment mechanism; 41. Fixing frame; 42. Drive assembly; 421. Motor; 422. Disc; 43. Connecting shaft; 44. Transmission block; 45. Transmission assembly; 451. Pulley; 452. Vertical groove; 46. Rotary wheel; 47. Positioning sleeve; 48. Clamping assembly; 49. Pulley; 5. Connecting mechanism; 51. Sleeve; 52. Adjustment assembly; 521. Connecting rod; 522. Limiting block; 523. First spring; 53. Positioning assembly; 531. Support block; 532. Positioning groove; 54. Conical block; 55. Fixing assembly; 551. Positioning block; 552. Limiting groove; 56. Second spring. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0029] Example 1:

[0030] Reference Figures 1-5 This is the first embodiment of the present utility model. This embodiment provides a fixed-length pipe cutting device for processing seamless steel pipes. The fixed-length pipe cutting device for processing seamless steel pipes includes a workbench 1, a cutting component 2 is arranged above the workbench 1, and a scale 3 is fixedly connected to the top of the workbench 1.

[0031] The cutting assembly 2 consists of a power system and a cutting blade. The power system is responsible for adjusting the cutting blade and driving its rotation, which is existing technology and will not be described in detail here. Using the scale 3, the operator can determine the cutting position of the steel pipe according to the scale of the scale 3, thereby ensuring that the length of the cut steel pipe meets the requirements.

[0032] An adjustment mechanism 4 for quickly cutting steel pipes is installed on the top of the workbench 1. The adjustment mechanism 4 includes a fixed frame 41, a connecting shaft 43, a transmission block 44, a rotating wheel 46, and a positioning sleeve 47. The fixed frame 41 is fixed to the top of the workbench 1. The connecting shaft 43 rotates on the inner wall of the fixed frame 41. The transmission block 44 is fixed to the outer side of the connecting shaft 43. The rotating wheel 46 is located on the outer side away from the connecting shaft 43. The positioning sleeve 47 is fitted on the outer side of the rotating wheel 46.

[0033] The connecting mechanism 5, which facilitates the replacement of the rotating wheel 46, is located on the outside of the connecting shaft 43.

[0034] By using the connecting mechanism 5, when processing steel pipes of different specifications, the rotating wheel 46 can be quickly replaced according to the inner diameter of the steel pipe to match it, thereby improving the flexibility of the adjustment mechanism 4.

[0035] Example 2:

[0036] Reference Figures 1-4 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0037] Specifically, the adjustment mechanism 4 also includes a drive assembly 42, a transmission assembly 45, a clamping assembly 48, and pulleys 49. The drive assembly 42 is located on the outside of the fixed frame 41, the transmission assembly 45 is located on the outside of the drive assembly 42, the clamping assembly 48 is located on the top of the worktable 1, and multiple pulleys 49 are provided on the inner side of the clamping assembly 48.

[0038] The clamping assembly 48 consists of a connecting frame, a screw, a guide block, and two clamping blocks. When the screw is rotated, it moves vertically along the threaded groove on the inner wall of the connecting frame, causing the clamping block located above to move up and down. The guide block is used to limit the movement path of the clamping block. When the two clamping blocks are closed, they will form a clamping force on the outside of the steel pipe. At the same time, multiple pulleys 49 are rotatably connected to the inner side of both clamping blocks.

[0039] Specifically, the drive assembly 42 includes a motor 421 fixed to the outside of the mounting bracket 41, and a disk 422 is provided at the output end of the motor 421.

[0040] The motor 421 is powered by an external power source, and when the motor 421 starts, it can drive the disc 422 to rotate.

[0041] Specifically, the transmission assembly 45 includes a lever 451 fixed to the outside of the disc 422, and a vertical groove 452 is provided on the inner wall of the transmission block 44. The outer side of the lever 451 is slidably connected to the inner wall of the vertical groove 452.

[0042] When the disc 422 rotates, it causes the lever 451 to slide in the vertical groove 452, thereby transmitting kinetic energy through the transmission block 44 and driving the connecting shaft 43 to rotate.

[0043] Specifically, the positioning sleeve 47 is made of rubber, and the rotating wheel 46 is cylindrical.

[0044] The positioning sleeve 47 is made of rubber. When the steel pipe is inserted into the outside of the positioning sleeve 47, the positioning sleeve 47 will be squeezed by the inner wall of the steel pipe. Since the diameter of the positioning sleeve 47 is slightly larger than the inner diameter of the steel pipe, and the rubber material itself has a certain elasticity, the positioning sleeve 47 will undergo elastic deformation. This elastic deformation allows the positioning sleeve 47 to fit tightly against the inner wall of the steel pipe, thereby generating a large friction force, effectively preventing the positioning sleeve 47 from coming out of the steel pipe. The operator needs to pull the steel pipe outward with force to separate it from the positioning sleeve 47.

[0045] Example 3:

[0046] Reference Figures 3-5 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0047] Specifically, the connecting mechanism 5 includes a sleeve 51, an adjusting component 52, a positioning component 53, a conical block 54, a fixing component 55, and a second spring 56. The sleeve 51 is fixed to the inner side of the rotating wheel 46, the adjusting component 52 is located inside the connecting shaft 43, the positioning component 53 is located at one end of the connecting shaft 43, the conical block 54 is located outside the adjusting component 52, the fixing component 55 is located inside the sleeve 51, and the second spring 56 is located outside the fixing component 55.

[0048] Specifically, the adjustment component 52 includes a limiting block 522 that slides on the inner wall of the connecting shaft 43. A connecting rod 521 is fixedly connected to the inner wall of the limiting block 522. A first spring 523 is sleeved on the outer side of the connecting rod 521. A conical block 54 is fixedly connected to one end of the connecting rod 521.

[0049] When the connecting rod 521 moves backward, it will cause the limiting block 522 to compress the first spring 523. After the connecting rod 521 loses its limiting fixation, the elastic force of the first spring 523 is released, which will push the connecting rod 521 to reset through the limiting block 522.

[0050] Specifically, the positioning component 53 includes two support blocks 531 that rotate at one end of the connecting rod 521, and two positioning grooves 532 are provided at one end of the connecting shaft 43.

[0051] After the connecting rod 521 moves backward, in order to prevent it from being pushed back to its original position by the first spring 523, the support block 531 can be moved to make it lock into the inner side of the positioning groove 532. When it enters the inner side of the positioning groove 532, it will support and limit the connecting rod 521, making the connecting rod 521 unable to reset.

[0052] Specifically, the fixing component 55 includes four positioning blocks 551 that slide on the inner wall of the connecting shaft 43, and four sets of limiting grooves 552 are circumferentially opened on the inner wall of the sleeve 51. The outer side of the positioning block 551 is engaged with the inner side of the limiting groove 552.

[0053] After the positioning block 551 enters the inner side of the limiting groove 552, it will form a fixed connection between the sleeve 51 and the connecting shaft 43. Both ends of the positioning block 551 are designed as trapezoidal inclined surfaces, with the same angle as the outer inclined surface of the conical block 54, so that it can be gradually pushed outward when the conical block 54 moves forward.

[0054] Specifically, one end of the second spring 56 is fixedly connected to the outer side of the positioning block 551, and the other end of the second spring 56 is fixedly connected to the inner wall of the connecting shaft 43.

[0055] After the positioning block 551 moves, the second spring 56 will push the positioning block 551 back to its original position through its elastic force, returning it to the inside of the connecting shaft 43.

[0056] In use, when the steel pipe needs to be cut, firstly, one end of it is inserted into the outside of the rotating wheel 46. At this time, the positioning sleeve 47 will fill the gap between the rotating wheel 46 and the inner cavity of the steel pipe, thus limiting the steel pipe. Then, the clamping assembly 48 is operated to fix the outside of the steel pipe. Then, the cutting assembly 2 can start working. The cutting point can be positioned by the scale 3. During the cutting process, the motor 421 starts and drives the disc 422 to rotate. When the disc 422 rotates, it drives the lever 451 to slide in the vertical groove 452, thereby transmitting the kinetic energy to the transmission block 44. Through the connecting shaft 43, the rotating wheel 46 rotates synchronously, causing the steel pipe located outside the positioning sleeve 47 to rotate and adjust the cutting surface. Multiple pulleys 49 on the inner side of the clamping block ensure that the steel pipe can rotate smoothly. When the rotating wheel 46 needs to be replaced, first pull out the connecting rod 521. The conical block 54 moves synchronously. As the position of the conical block 54 moves, one end of the positioning block 551 loses its limiting resistance. When the second spring 56 is released, it pushes the positioning block 551 to move and reset, disengaging from the inner side of the limiting groove 552 and returning to the inside of the connecting shaft 43. At this time, the sleeve 51 and the connecting shaft 43 are no longer fixedly connected. Pushing the rotating wheel 46 backward completes the disassembly. When installing the rotating wheel 46, align the sleeve 51 with the connecting shaft 43 and insert it. After aligning the pointer to determine the connection position, pull the connecting rod 521 backward a certain distance. At this time, the support block 531 disengages from the inner side of the positioning groove 532. Then, release the connecting rod 521. The rebound force of the first spring 523 will push the limiting block 522 to move and reset. At this time, the connecting rod 521 slides forward with the conical block 54. When the outer side of the conical block 54 contacts the positioning block 551, it will squeeze the four sets of positioning blocks 551 outward through the inclined surface designed on its outer side, moving them into the inner side of the limiting groove 552, so that the sleeve 51 and the connecting shaft 43 are fixed, thus completing the installation.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A fixed-length pipe cutting device for processing seamless steel pipes, comprising a worktable (1), a cutting assembly (2) disposed above the worktable (1), and a scale (3) fixedly connected to the top of the worktable (1), characterized in that, Also includes: An adjustment mechanism (4) for quickly cutting steel pipes is set on the top of the workbench (1). The adjustment mechanism (4) includes a fixed frame (41), a connecting shaft (43), a transmission block (44), a rotating wheel (46), and a positioning sleeve (47). The fixed frame (41) is fixed on the top of the workbench (1). The connecting shaft (43) rotates on the inner wall of the fixed frame (41). The transmission block (44) is fixed on the outer side of the connecting shaft (43). The rotating wheel (46) is set on the outer side away from the connecting shaft (43). The positioning sleeve (47) is sleeved on the outer side of the rotating wheel (46). The connecting mechanism (5) for easy replacement of the rotating wheel (46) is located on the outside of the connecting shaft (43).

2. The fixed-length pipe cutting device for seamless steel pipe processing as described in claim 1, characterized in that: The adjustment mechanism (4) further includes a drive assembly (42), a transmission assembly (45), a clamping assembly (48), and pulleys (49). The drive assembly (42) is located on the outside of the fixed frame (41), the transmission assembly (45) is located on the outside of the drive assembly (42), the clamping assembly (48) is located on the top of the workbench (1), and multiple pulleys (49) are provided on the inner side of the clamping assembly (48).

3. The fixed-length pipe cutting device for seamless steel pipe processing as described in claim 2, characterized in that: The drive assembly (42) includes a motor (421) fixed to the outside of the mounting bracket (41), and the output end of the motor (421) is provided with a disk (422).

4. The fixed-length pipe cutting device for seamless steel pipe processing as described in claim 2, characterized in that: The transmission assembly (45) includes a paddle (451) fixed to the outside of the disc (422). The inner wall of the transmission block (44) is provided with a vertical groove (452). The outer side of the paddle (451) is slidably connected to the inner wall of the vertical groove (452).

5. The fixed-length pipe cutting device for seamless steel pipe processing as described in claim 1, characterized in that: The positioning sleeve (47) is made of rubber, and the rotating wheel (46) is cylindrical.

6. The fixed-length pipe cutting device for seamless steel pipe processing as described in claim 1, characterized in that: The connecting mechanism (5) includes a sleeve (51), an adjusting component (52), a positioning component (53), a conical block (54), a fixing component (55), and a second spring (56). The sleeve (51) is fixed to the inside of the rotating wheel (46). The adjusting component (52) is located inside the connecting shaft (43). The positioning component (53) is located at one end of the connecting shaft (43). The conical block (54) is located outside the adjusting component (52). The fixing component (55) is located inside the sleeve (51). The second spring (56) is located outside the fixing component (55).

7. The fixed-length pipe cutting device for seamless steel pipe processing as described in claim 6, characterized in that: The adjustment assembly (52) includes a limiting block (522) that slides on the inner wall of the connecting shaft (43). A connecting rod (521) is fixedly connected to the inner wall of the limiting block (522). A first spring (523) is sleeved on the outer side of the connecting rod (521). A conical block (54) is fixedly connected to one end of the connecting rod (521).

8. The fixed-length pipe cutting device for seamless steel pipe processing as described in claim 6, characterized in that: The positioning component (53) includes two support blocks (531) that rotate at one end of the connecting rod (521), and two positioning grooves (532) are provided at one end of the connecting shaft (43).

9. The fixed-length pipe cutting device for seamless steel pipe processing as described in claim 6, characterized in that: The fixing component (55) includes four positioning blocks (551) that slide on the inner wall of the connecting shaft (43). The inner wall of the sleeve (51) is provided with four sets of limiting grooves (552) in a ring. The outer side of the positioning block (551) is engaged with the inner side of the limiting groove (552).

10. The fixed-length pipe cutting device for seamless steel pipe processing as described in claim 6, characterized in that: One end of the second spring (56) is fixedly connected to the outside of the positioning block (551), and the other end of the second spring (56) is fixedly connected to the inner wall of the connecting shaft (43).

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