Pipe cutting and threading machine with protection function

By designing a protective sleeve in the pipe cutter, the safety problems caused by the cutting knife exposure in the prior art are solved, and the operation safety is significantly improved.

CN222830809UActive Publication Date: 2025-05-06SHAANXI JIASHENG CHENGRUN CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202421168168.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-05-06
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The cutting knife of the existing electric pipe cutter is directly exposed and lacks protective components, which makes it easy for staff to touch the cutting knife when placing and picking up pipe fittings, reducing the safety of the device when cutting pipes.

Method used

A protective tube wire cutter is designed, which uses a combination of hollow blocks, brake motors, bidirectional screws, movable blocks, pipe cutters and protective sleeves. After the pipe cutter stops running, it is hidden in the protective sleeve to avoid staff from touching the cutting knife.

Benefits of technology

By hiding the pipe cutting knife, the staff is effectively prevented from being accidentally injured during operation, and the safety of the device is improved.

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Abstract

The utility model discloses a pipe cutting and threading machine with a protection function, and relates to the technical field of pipe cutting and threading. The pipe cutting threading machine with the protection function comprises a mounting frame, a position adjusting mechanism and a cutting mechanism, the position adjusting mechanism is arranged at the top of the mounting frame and comprises a strip-shaped sliding rail, sliding blocks and positioning holes, the top of the mounting frame is fixedly connected with the bottom of the strip-shaped sliding rail, and the sliding blocks are slidably mounted on the front side and the rear side of the strip-shaped sliding rail through sliding grooves; a plurality of groups of positioning holes distributed at equal intervals are formed in the top of the strip-shaped sliding rail; the cutting mechanism is arranged above the mounting frame, the cutting mechanism comprises a hollow block, a two-way screw rod, a movable block and a movable block, and the top and the bottom of the inner side of the hollow block are rotationally connected with the two ends of the two-way screw rod respectively. And after operation is stopped, the pipe cutter is stored in the protective sleeve to be hidden, the situation that a worker touches a cutting edge of the cutter in the pipe placing and taking process is avoided, the probability of accidental injury is reduced, and the safety of the device in the pipe cutting process is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of pipe cutting and threading, in particular to a pipe cutting and threading machine with protection. Background Art

[0002] Chinese patent document CN210046296U discloses an electric pipe cutting and threading machine, including a threading component, a motor, a first support, a second support, and a longitudinal feeding device; the threading component includes a threading tube and a disc-shaped cutter, one end of the threading tube is fixedly inserted into the center of the cutter and the end port is a conical hole, and the conical hole wall has a plurality of chamfering edges for chamfering the end of the pipe to be processed, the inner hole of the threading tube is a threaded hole for threading the outer wall of the pipe to be processed, and the other end of the threading tube is connected to the main shaft of the motor; the first support and the second support are installed longitudinally, and they are used to install the pipe to be processed and the threading tube respectively, and the first support can be fed horizontally and longitudinally so that the pipe to be processed and the threading tube are coaxially arranged; the first support and the second support are installed longitudinally at a spacing greater than the thickness of the cutter. The threading machine of the utility model has high processing efficiency and good processing accuracy.

[0003] When the above-mentioned electric pipe cutting and threading machine is in use, the cutter is directly exposed to the outside and lacks certain protective components. Workers are prone to touch the cutter during the process of placing and taking pipes, thereby being accidentally injured, which reduces the safety of the device when cutting pipes. Utility Model Content

[0004] The purpose of the utility model is to provide a pipe cutting and threading machine with protection, which can solve the problem that when the above-mentioned electric pipe cutting and threading machine is in use, the cutter is directly exposed to the outside and lacks certain protective components. The staff are prone to touch the cutter during the process of placing and taking pipes, thereby being accidentally injured, which reduces the safety of the device when cutting pipes.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective pipe cutting and threading machine, comprising a mounting frame, a positioning mechanism and a cutting mechanism, the positioning mechanism being arranged at the top of the mounting frame, the positioning mechanism comprising a strip slide rail, a sliding block and a positioning hole, the top of the mounting frame is fixedly connected to the bottom of the strip slide rail, the front and rear sides of the strip slide rail are slidably installed with sliding blocks through sliding grooves, and the top of the strip slide rail is provided with a plurality of groups of equidistantly distributed positioning holes; the cutting mechanism is arranged above the mounting frame, the cutting mechanism comprising a hollow block, a bidirectional screw rod, a movable block and a movable block, the inner top and inner bottom of the hollow block are respectively rotatably connected to the two ends of the bidirectional screw rod, the outer wall of the bidirectional screw rod is connected to the internal threads of the two groups of movable blocks, the two groups of movable blocks are symmetrically arranged, and a group of pipe cutting knives are respectively fixedly installed on the front side of the movable blocks.

[0006] Preferably, the positioning mechanism also includes a threaded rod and an auxiliary knob. The top thread of the sliding block is connected to the threaded rod. One end of the threaded rod extends to the inside of a group of positioning holes. The other end of the threaded rod is fixedly installed with an auxiliary knob, which is convenient for moving the position of the pipe cutting knife and adjusting the pipe cutting length of the device according to actual needs, thereby improving the flexibility and practicality of the device.

[0007] Preferably, the cutting mechanism also includes a brake motor and a protective cover, the top of the sliding block is fixedly connected to the bottom of the hollow block, a strip opening is opened on the front side of the hollow block, a brake motor is fixedly installed on the top of the hollow block, the output shaft of the brake motor is fixedly connected to one end of the bidirectional screw rod, the inner wall of the hollow block is slidably connected to the outer wall of the movable block, and two sets of protective covers are fixedly installed on the front side of the hollow block. After stopping operation, the pipe cutting knife is hidden in the protective cover to prevent the staff from touching the blade of the cutter during the placement and removal of pipe fittings, thereby reducing the probability of accidental injury and improving the safety of the device when cutting pipes.

[0008] Preferably, a rotating base is fixedly installed on the top of the mounting frame, and a three-jaw chuck is fixedly installed on the output end of the rotating base.

[0009] Preferably, a feeding opening is provided at the top of the mounting frame.

[0010] Preferably, a debris collection box is provided at the inner bottom of the mounting frame.

[0011] Preferably, a plurality of groups of support rods are fixedly mounted on the bottom of the mounting frame, and a buffer pad is provided at one end of the support rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The protective pipe cutting and threading machine facilitates the movement of the pipe cutting knife through the coordinated use of a bar slide rail, a sliding block, a positioning hole, a threaded rod and an auxiliary knob, and adjusts the pipe cutting length of the device according to actual needs, thereby improving the flexibility and practicality of the device.

[0014] (2) The protective pipe cutting and threading machine uses a hollow block, a brake motor, a bidirectional screw rod, a movable block, a pipe cutting knife and a protective cover in combination. After stopping operation, the pipe cutting knife is hidden in the protective cover to prevent workers from touching the blade of the cutting knife during the process of placing and taking pipes, thereby reducing the probability of accidental injury and improving the safety of the device when cutting pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the hollow block of the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the strip slide rail of the utility model.

[0019] Figure numerals: 1. Installation frame; 2. Positioning mechanism; 201. Bar slide rail; 202. Sliding block; 203. Positioning hole; 204. Threaded rod; 205. Auxiliary knob; 3. Cutting mechanism; 301. Hollow block; 302. Brake motor; 303. Bidirectional screw rod; 304. Movable block; 305. Pipe cutter; 306. Protective cover; 4. Rotating base; 5. Three-jaw chuck; 6. Feeding port; 7. Miscellaneous collection box; 8. Support rod. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] See also Figure 1-3 The utility model provides a technical solution: a protective pipe cutting and threading machine, comprising a mounting frame 1, a positioning mechanism 2 and a cutting mechanism 3, wherein the positioning mechanism 2 is arranged at the top of the mounting frame 1, the positioning mechanism 2 comprises a strip slide rail 201, a sliding block 202 and a positioning hole 203, the top of the mounting frame 1 is fixedly connected to the bottom of the strip slide rail 201, the front and rear sides of the strip slide rail 201 are slidably mounted with a sliding block 202 through a sliding groove, and the top of the strip slide rail 201 is provided with a plurality of groups of equidistant Distributed positioning holes 203; the cutting mechanism 3 is arranged above the mounting frame 1, and the cutting mechanism 3 includes a hollow block 301, a bidirectional screw rod 303, a movable block 304 and a movable block 304, the inner top and inner bottom of the hollow block 301 are respectively rotatably connected to the two ends of the bidirectional screw rod 303, the outer wall of the bidirectional screw rod 303 is connected to the internal threads of the two groups of movable blocks 304, the two groups of movable blocks 304 are symmetrically arranged, and a group of pipe cutting knives 305 are fixedly installed on the front side of the movable blocks 304.

[0022] The positioning mechanism 2 also includes a threaded rod 204 and an auxiliary knob 205. The top of the sliding block 202 is threadedly connected to the threaded rod 204. One end of the threaded rod 204 extends to the inside of a group of positioning holes 203. The other end of the threaded rod 204 is fixedly installed with an auxiliary knob 205, which is convenient for moving the position of the pipe cutting knife 305 and adjusting the pipe cutting length of the device according to actual needs, thereby improving the flexibility and practicality of the device.

[0023] The cutting mechanism 3 also includes a brake motor 302 and a protective cover 306. The top of the sliding block 202 is fixedly connected to the bottom of the hollow block 301. A strip opening is provided on the front side of the hollow block 301. The brake motor 302 is fixedly installed on the top of the hollow block 301. The output shaft of the brake motor 302 is fixedly connected to one end of the bidirectional screw rod 303. The inner wall of the hollow block 301 is slidably connected to the outer wall of the movable block 304. Two sets of protective covers 306 are fixedly installed on the front side of the hollow block 301. After stopping operation, the pipe cutting knife 305 is hidden in the protective cover 306 to prevent the staff from touching the blade of the cutter during the placement and removal of pipe fittings, thereby reducing the probability of accidental injury and improving the safety of the device when cutting pipes.

[0024] A rotating base 4 is fixedly installed on the top of the mounting frame 1, and a three-jaw chuck 5 is fixedly installed on the output end of the rotating base 4.

[0025] A feeding opening 6 is provided on the top of the mounting frame 1 .

[0026] A sundries collection box 7 is provided at the inner bottom of the mounting frame 1 .

[0027] A plurality of support rods 8 are fixedly mounted on the bottom of the mounting frame 1, and a buffer pad is arranged at one end of the support rod 8.

[0028] Working principle: When in use, put one end of the pipe into the three-jaw chuck 5 for fixing, so that the outer wall of the pipe is located between the two sets of pipe cutting knives 305, and rotate the threaded rod 204 through the auxiliary knob 205 to move one end of the threaded rod 204 out of the interior of the positioning hole 203, cancel the positioning of the sliding block 202, slide the sliding block 202 on the bar slide rail 201 to adjust the cutting position of the pipe cutting knife 305, and after the adjustment is completed, insert the threaded rod 204 back into the positioning hole 203 to prevent the sliding block 202 from continuing to move, and open the clamping The gate motor 302 drives the bidirectional screw rod 303 to rotate, and under the limit of the inner wall of the hollow block 301, it drives the two groups of movable blocks 304 to slide in relative directions, thereby driving the two groups of pipe cutting knives 305 to move out of the protective sleeve 306 and clamp them on the outer wall of the pipe fitting, and the rotating base 4 is opened to drive the clamped pipe fitting to rotate, so that the pipe cutting knife 305 cuts the pipe fitting, and the debris generated by the cutting falls into the debris collection box 7 through the discharge port 6 for collection. After the cutting is completed, the pipe cutting knife 305 is retracted into the protective sleeve 306 and the pipe fitting is removed.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A pipe cutting and threading machine with protection, characterized in that: include: Mounting frame (1); The positioning mechanism (2) is arranged on the top of the installation frame (1), and comprises a strip slide rail (201), a sliding block (202) and a positioning hole (203). The top of the installation frame (1) is fixedly connected to the bottom of the strip slide rail (201), and the sliding block (202) is slidably installed on the front and rear sides of the strip slide rail (201) through a sliding groove. The top of the strip slide rail (201) is provided with a plurality of groups of positioning holes (203) distributed at equal distances. The cutting mechanism (3) is arranged above the mounting frame (1), and comprises a hollow block (301), a bidirectional screw rod (303), a movable block (304) and the movable block (304). The inner top and inner bottom of the hollow block (301) are rotatably connected to the two ends of the bidirectional screw rod (303), respectively, and the outer wall of the bidirectional screw rod (303) is connected to the internal threads of the two groups of movable blocks (304). The two groups of movable blocks (304) are symmetrically arranged, and a group of pipe cutting knives (305) are fixedly installed on the front side of each movable block (304).

2. A pipe cutting and threading machine with protection according to claim 1, characterized in that: The positioning mechanism (2) further comprises a threaded rod (204) and an auxiliary knob (205); the top of the sliding block (202) is threadedly connected to the threaded rod (204); one end of the threaded rod (204) extends into a group of positioning holes (203); the other end of the threaded rod (204) is fixedly mounted with the auxiliary knob (205).

3. A protective pipe cutting and threading machine according to claim 2, characterized in that: The cutting mechanism (3) further comprises a brake motor (302) and a protective sleeve (306); the top of the sliding block (202) is fixedly connected to the bottom of the hollow block (301); a strip opening is provided on the front side of the hollow block (301); the brake motor (302) is fixedly installed on the top of the hollow block (301); the output shaft of the brake motor (302) is fixedly connected to one end of a bidirectional screw rod (303); the inner wall of the hollow block (301) is slidably connected to the outer wall of the movable block (304); and two sets of protective sleeves (306) are fixedly installed on the front side of the hollow block (301).

4. A protective pipe cutting and threading machine according to claim 3, characterized in that: A rotating base (4) is fixedly mounted on the top of the mounting frame (1), and a three-jaw chuck (5) is fixedly mounted on the output end of the rotating base (4).

5. A protective pipe cutting and threading machine according to claim 4, characterized in that: The top of the installation frame (1) is provided with a feed opening (6).

6. A pipe cutting and threading machine with protection according to claim 5, characterized in that: A debris collection box (7) is provided at the inner bottom of the installation frame (1).

7. A pipe cutting and threading machine with protection according to claim 6, characterized in that: A plurality of groups of support rods (8) are fixedly mounted on the bottom of the mounting frame (1), and a buffer pad is provided at one end of the support rod (8).

Citation Information

Patent Citations

  • Electric pipe cutting threading machine

    CN210046296U