Thread machining mechanism for steel pipe

Abstract

The utility model discloses a thread processing mechanism for steel pipe, which comprises a working table, a thread pressing unit and a limit unit, the thread pressing unit is fixedly arranged on one side of the working table, a thread rolling gap is formed in the thread pressing unit, and when one end of the steel pipe extends into the thread rolling gap, the limit unit can limit the thread rolling gap. The thread pressing unit can roll one end of the steel pipe to form a thread; and the limiting unit is movably arranged on the other side of the workbench, and when the other end of the steel pipe is rotationally connected with the limiting unit, one end of the steel pipe extends into the rolling gap through relative movement between the limiting unit and the thread pressing unit. The problem that in the prior art, an operator needs to hold a steel pipe and insert one end of the steel pipe into a thread rolling unit for thread rolling, and the working intensity is large is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of thread processing, in particular to a thread processing mechanism for steel pipes. Background Art

[0002] Thread rolling is a process that uses one or more pairs of thread-shaped rollers to squeeze the surface of a material, causing it to plastically deform and form threads. This method is particularly suitable for mass-producing external threads for standard fasteners and other threaded connectors.

[0003] In the prior art, a thread processing mechanism generally includes a thread pressing unit and a support unit arranged on one side of the thread pressing unit. The operator places the steel pipe on the support unit, and one end of the steel pipe is inserted into the thread pressing unit. Since the operator needs to hold the other end of the steel pipe in his hand, the two thread pressing wheels in the thread pressing unit rotate to roll the thread on one end of the steel pipe, and the operator's work intensity is relatively high. Utility Model Content

[0004] The purpose of the present invention is to overcome the above technical deficiencies and provide a thread processing mechanism for steel pipes, so as to solve the problem in the prior art that the operator needs to hold the steel pipe by hand and insert one end of the steel pipe into the thread pressing unit to roll the thread, which results in high work intensity.

[0005] In order to achieve the above technical purpose, the present invention adopts the following technical solutions:

[0006] The utility model provides a thread processing mechanism for a steel pipe, comprising:

[0007] Workbench;

[0008] A thread pressing unit, the thread pressing unit being fixedly mounted on one side of the workbench, and having a thread rolling gap formed therein. When one end of the steel pipe extends into the thread rolling gap, the thread pressing unit can roll the end of the steel pipe to form threads; and

[0009] A limiting unit is movably arranged on the other side of the workbench. When the other end of the steel pipe is rotatably connected to the limiting unit, the limiting unit and the thread pressing unit move relative to each other, so that one end of the steel pipe extends into the rolling gap.

[0010] In some embodiments, the thread pressing unit includes a mounting frame, a first driving member, a second driving member, a first thread pressing head, a second thread pressing head, a guide block and a first telescopic member. The mounting frame is fixedly connected to the workbench, the first driving member is fixedly mounted on the mounting frame and the output end is fixedly connected to the first thread pressing head, the guide block is slidably arranged in the mounting frame, the second driving member is fixedly connected to the guide block and the output end is fixedly connected to the second thread pressing head, the first telescopic member is fixedly mounted on the mounting frame and the output end is connected to the guide block, and the thread rolling gap is formed between the first thread pressing head and the second thread pressing head.

[0011] In some embodiments, an annular stopper is provided at one end of the first thread pressing head.

[0012] In some embodiments, the limiting unit includes a side panel, a second telescopic member and a limiting block. The side panel is slidably connected to the workbench. The second telescopic member is arranged on the side panel and the output end is fixedly connected to the limiting block. A groove is provided in the limiting block, and the other end of the steel pipe can be inserted into the groove.

[0013] In some embodiments, an adjustment unit is further included, which includes a threaded screw and a rotating handle. The threaded screw is rotatably arranged on the workbench, the threaded screw is threadably connected to the side panel, and the rotating handle is fixed to one end of the threaded screw.

[0014] In some embodiments, a support unit is further included, which is fixed on the workbench and located between the thread pressing unit and the limiting unit. The support unit includes a support seat and two rollers. The support seat is fixedly connected to the workbench, and the two rollers are rotatably arranged in the support seat. The two rollers are used to support one end of the steel pipe.

[0015] In some embodiments, the inner diameter of the first thread press is 1 / 5-1 / 4 of the inner diameter of the second thread press.

[0016] In some embodiments, the first driving member and the second driving member are both reduction motors.

[0017] In some embodiments, the first telescopic member and the second telescopic member are both electric push rods, pneumatic cylinders or hydraulic cylinders.

[0018] In some embodiments, a plurality of moving wheels are provided at the bottom of the workbench.

[0019] Compared with the prior art, the utility model provides a thread processing mechanism for steel pipes, in which a thread pressing unit is fixedly arranged on one side of a workbench, and a limiting unit is movably arranged on the other side of the workbench. When the other end of the steel pipe is rotatably connected to the limiting unit, the distance between the limiting unit and the thread pressing unit can be effectively adjusted through relative movement between the limiting unit and the thread pressing unit, so that steel pipes of different lengths can be rotatably spanned between the limiting unit and the thread pressing unit, making it convenient for the thread pressing unit to roll one end of the steel pipe to form threads, thereby improving the applicability of the thread processing mechanism, and eliminating the need for the operator to hold the steel pipe all the time, thereby reducing the operator's work intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural diagram of a thread processing mechanism for a steel pipe provided by an embodiment of the utility model;

[0021] Figure 2 This is a front view of a thread pressing unit provided by an embodiment of the present utility model;

[0022] Figure 3 Is a side view of the utility model embodiment provides a threaded pressing unit;

[0023] Figure 4 It is a structural schematic diagram of the limiting unit provided in an embodiment of the present utility model.

[0024] Figure 5 It is a cross-sectional view of a support unit provided in an embodiment of the present utility model. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] In order to solve the technical problem in the prior art that the operator needs to hold the steel pipe and insert one end of the steel pipe into the thread pressing unit to roll the thread, which has a high work intensity, the utility model provides a thread processing mechanism for steel pipes, which can limit steel pipes of different lengths and roll the thread on one end of the steel pipe. The operator does not need to hold the steel pipe all the time, which reduces the operator's work intensity.

[0027] See also Figure 1-Figure 5 , Figure 1-Figure 5In one embodiment of the utility model, a thread processing mechanism for steel pipes is provided, comprising a workbench 1, a thread pressing unit 2 and a limiting unit 3. The thread pressing unit 2 is fixedly arranged on one side of the workbench 1, and a thread rolling gap is formed in the thread pressing unit 2. When one end of the steel pipe extends into the thread rolling gap, the thread pressing unit 2 can roll the one end of the steel pipe to form a thread; the limiting unit 3 is movably arranged on the other side of the workbench 1. When the other end of the steel pipe is rotatably connected to the limiting unit 3, the limiting unit 3 and the thread pressing unit 2 move relative to each other, so that one end of the steel pipe can extend into the rolling gap.

[0028] Among them, in order to facilitate the movement of the workbench, specifically, a plurality of moving wheels 11 are provided at the bottom of the workbench 1; in this specific embodiment, the number of the moving wheels 11 is four, and they are respectively provided at the four top corner positions of the bottom of the workbench 1, among which at least one moving wheel 11 has a braking function.

[0029] It should be noted that the thread pressing unit 2 is not limited to a specific structure, as long as it can roll threads on one end of a steel pipe, and no other limitations are made here.

[0030] In this specific embodiment, the thread pressing unit 2 includes a mounting frame 21, a first driving member 22, a second driving member 23, a first thread pressing head 24, a second thread pressing head 25, a guide block 26 and a first telescopic member 27. The mounting frame 21 is fixedly connected to the workbench 1, the first driving member 22 is fixedly mounted on the mounting frame 21 and the output end is fixedly connected to the first thread pressing head 24, the guide block 26 is slidably arranged in the mounting frame 21, the second driving member 23 is fixedly connected to the guide block 26 and the output end is fixedly connected to the second thread pressing head 25, the first telescopic member 27 is fixedly mounted on the mounting frame 21 and the output end is connected to the guide block 26, and the thread rolling gap is formed between the first thread pressing head 24 and the second thread pressing head 25.

[0031] It should be noted that the second thread press 25 is located above the first thread press 24, and the axis of the second thread press 25 is parallel to that of the first thread press 24. The first telescopic member 27 is located at the top of the mounting frame 21. The first telescopic member 27 drives the guide block 26 to slide, so that the first thread press 24 and the second thread press 25 can be close to each other.

[0032] Specifically, the first driving member 22 and the second driving member 23 are both reduction motors, wherein the inner diameter of the first thread pressing head 24 is 1 / 5-1 / 4 of the inner diameter of the second thread pressing head 25. In this specific embodiment, the inner diameter of the first thread pressing head 24 is 1 / 4 of the inner diameter of the second thread pressing head 25; the first thread pressing head 24 is inserted into the interior of one end of the steel pipe, and the second thread pressing head 25 contacts the outer wall of the steel pipe. When the first thread pressing head 24 and the second thread pressing head 25 are rotated, threads can be rolled out on one end of the steel pipe.

[0033] On the basis of the above solution, in order to limit one end of the steel pipe, specifically, an annular stopper 241 is provided at one end of the first threaded press head 24. Specifically, the inner diameter of the annular stopper 241 is larger than the inner diameter of the steel pipe.

[0034] In this specific embodiment, the limiting unit 3 includes a side panel 31, a second telescopic member 32 and a limiting block 33. The side panel 31 is slidably connected to the workbench 1. The second telescopic member 32 is arranged on the side panel 31 and the output end is fixedly connected to the limiting block 33. A groove 331 is provided in the limiting block 33, and the other end of the steel pipe can be inserted into the groove 331. The inner diameter of the groove 331 is equal to the outer diameter of the steel pipe, so that the steel pipe can be limited.

[0035] In other embodiments, an annular protrusion is provided on the limit block 33, and the inner diameter of the limit block 33 is smaller than the inner diameter of the steel pipe. The limit block 33 can be inserted into the other end of the steel pipe, and the other end of the steel pipe can be blocked by the annular protrusion.

[0036] In this specific embodiment, an adjustment unit 4 is also included, which includes a threaded screw 41 and a rotating handle 42. The threaded screw 41 is rotatably arranged on the workbench 1, and the threaded screw 41 is threadedly rotatably connected to the side plate 31. The rotating handle 42 is fixed to one end of the threaded screw 41.

[0037] On the basis of the above scheme, in order to facilitate one end of the steel pipe to accurately extend into the thread rolling gap, specifically, it also includes a support unit 5, which is fixed on the workbench 1 and located between the thread pressing unit 2 and the limit unit 3. The support unit 5 includes a support seat 51 and two rollers 52. The support seat 51 is fixedly connected to the workbench 1, and the two rollers 52 are rotatably arranged in the support seat 51. The two rollers 52 are used to support one end of the steel pipe.

[0038] In one embodiment, the first telescopic member 27 and the second telescopic member 32 are both electric push rods. Of course, in other embodiments, the first telescopic member 27 and the second telescopic member 32 can also be pneumatic cylinders or hydraulic cylinders.

[0039] In order to better understand the present invention, the following Figures 1 to 5 The technical solution of the utility model is described in detail:

[0040] By placing the steel pipe between the two rollers 52, the other end of the steel pipe is inserted into the groove 331, and the second telescopic member 32 drives the limit block 33 to move, the steel pipe can be pushed to move, so that the first thread pressing head 24 can be accurately inserted into one end of the steel pipe. The first telescopic member 27 drives the guide block 26 to slide, so that the second thread pressing head 25 can be squeezed with the steel pipe. The first driving member 22 and the second driving member 23 respectively drive the first thread pressing head 24 and the second thread pressing head 25 to rotate, so that one end of the steel pipe can be rolled out with threads.

[0041] The specific embodiments of the present invention described above do not limit the scope of protection of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A thread processing mechanism for a steel pipe, characterized in that: include: Workbench; A thread pressing unit, the thread pressing unit being fixedly mounted on one side of the workbench, and having a thread rolling gap formed therein. When one end of the steel pipe extends into the thread rolling gap, the thread pressing unit can roll the end of the steel pipe to form threads; and A limiting unit is movably arranged on the other side of the workbench. When the other end of the steel pipe is rotatably connected to the limiting unit, the limiting unit and the thread pressing unit move relative to each other, so that one end of the steel pipe extends into the rolling gap.

2. A thread processing mechanism for steel pipes according to claim 1, characterized in that: The thread pressing unit includes a mounting frame, a first driving member, a second driving member, a first thread pressing head, a second thread pressing head, a guide block and a first telescopic member. The mounting frame is fixedly connected to the workbench, the first driving member is fixedly mounted on the mounting frame and the output end is fixedly connected to the first thread pressing head, the guide block is slidably arranged in the mounting frame, the second driving member is fixedly connected to the guide block and the output end is fixedly connected to the second thread pressing head, the first telescopic member is fixedly mounted on the mounting frame and the output end is connected to the guide block, and the thread rolling gap is formed between the first thread pressing head and the second thread pressing head.

3. A thread processing mechanism for steel pipes according to claim 2, characterized in that: An annular stopper is provided at one end of the first thread pressing head.

4. A thread processing mechanism for steel pipes according to claim 2, characterized in that: The limiting unit includes a side panel, a second telescopic member and a limiting block. The side panel is slidably connected to the workbench. The second telescopic member is arranged on the side panel and the output end is fixedly connected to the limiting block. A groove is provided in the limiting block, and the other end of the steel pipe can be inserted into the groove.

5. A thread processing mechanism for steel pipes according to claim 4, characterized in that: It also includes an adjustment unit, which includes a threaded screw and a rotating handle. The threaded screw is rotatably arranged on the workbench, the threaded screw is threadably connected to the side plate, and the rotating handle is fixed to one end of the threaded screw.

6. A thread processing mechanism for a steel pipe according to claim 1, characterized in that: It also includes a support unit, which is fixed on the workbench and located between the thread pressing unit and the limiting unit. The support unit includes a support seat and two rollers. The support seat is fixedly connected to the workbench, and the two rollers are rotatably arranged in the support seat. The two rollers are used to support one end of the steel pipe.

7. A thread processing mechanism for a steel pipe according to claim 2, characterized in that: The inner diameter of the first thread pressing head is 1 / 5-1 / 4 of the inner diameter of the second thread pressing head.

8. A thread processing mechanism for a steel pipe according to claim 2, characterized in that: The first driving member and the second driving member are both reduction motors.

9. A thread processing mechanism for a steel pipe according to claim 4, characterized in that: The first telescopic member and the second telescopic member are both electric push rods, pneumatic cylinders or hydraulic cylinders.

10. The thread processing mechanism for steel pipe according to claim 1, characterized in that: A plurality of moving wheels are provided at the bottom of the workbench.

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