Corrugated pipe cutting device

Abstract

The utility model discloses a corrugated pipe cutting device which comprises a frame, a balance rod is installed on the side surface of the frame through a rotating shaft, a volute spiral spring is arranged on the surface of the rotating shaft in a sleeved mode, a positioning rod is arranged on the side surface of the balance rod, and a positioning groove used in cooperation with the positioning rod is formed in the side surface of the frame. A fixing rubber sleeve is arranged in the positioning groove, and a forward and reverse motor is arranged on the upper surface of the frame. When the corrugated pipe cutting device is used, the balance rod is unfolded, the positioning rod is clamped in the positioning groove, and the positioning rod is fixed in the positioning groove by utilizing the elasticity of the fixed rubber sleeve, so that a corrugated pipe can be cut, otherwise, the positioning rod at the unfolded position of the balance rod is separated from the positioning groove, and acting force is applied to the balance rod under the action of the volute spiral spring; and therefore, the balance rod is parallel to the frame, the overall size of the cutting device is reduced, and the purpose of convenient folding and storage is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated pipe processing equipment, in particular to a corrugated pipe cutting device. Background Art

[0002] Bellows primarily include metal bellows, bellows expansion joints, bellows heat exchange tubes, diaphragm capsules, and metal hoses. Metal bellows are primarily used to compensate for thermal deformation, reduce vibration, and absorb settlement deformation in pipelines. They are widely used in industries such as petrochemicals, instrumentation, aerospace, chemicals, electricity, cement, and metallurgy. Bellows made of other materials, such as plastic, play an irreplaceable role in media transportation, power line threading, machine tools, and household appliances.

[0003] The existing technology has the following problems:

[0004] Generally, a cutting machine is used to cut the corrugated pipe at a construction site. However, the base of the existing cutting machine is fixed, which results in a large overall structure of the cutting machine and makes it difficult to store and place.

[0005] To this end, we proposed a corrugated pipe cutting device to solve the above-mentioned drawbacks. Utility Model Content

[0006] The purpose of the utility model is to solve the shortcomings of the existing cutting machine in the prior art, that is, the base of the existing cutting machine is fixed, resulting in a large overall structure of the cutting machine and difficulty in storing and placing it, and to propose a corrugated pipe cutting device.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A corrugated pipe cutting device includes a frame, a balance rod is installed on the side surface of the frame through a rotating shaft, and a spiral spring is sleeved on the surface of the rotating shaft, a positioning rod is provided on the side surface of the balance rod, a positioning groove is opened on the side surface of the frame for cooperating with the positioning rod, and a fixed rubber sleeve is provided in the positioning groove, a forward and reverse motor is provided on the upper surface of the frame, a driving screw is installed on the output end of the forward and reverse motor, a threaded barrel is provided on the surface of the driving screw, a tool holder is provided below the threaded barrel, and a blade is installed below the tool holder through a bolt, a guide seat is provided on the side surface of the tool holder, and the guide seat is located in the guide groove opened on the side surface of the frame.

[0009] Preferably, a bidirectional screw rod is provided inside the frame, a handle is provided at the end of the bidirectional screw rod, and a limit rod is provided on the surface of the bidirectional screw rod.

[0010] Preferably, a knife groove is provided on the side surface of the limiting rod.

[0011] Preferably, a handle is provided on the outer side of the frame.

[0012] Preferably, the surfaces of the handle and the handle are provided with anti-slip bumps.

[0013] Preferably, the forward and reverse motor has a built-in control switch.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] (1) The utility model is provided with a frame, a balance bar, a spiral spring, a positioning bar, a positioning groove, a fixed rubber sleeve, a forward and reverse motor, a driving screw, a threaded cylinder, a tool holder, a blade, a guide seat and a guide groove. When in use, the balance bar is unfolded, the positioning bar is clamped in the positioning groove, and the positioning bar is fixed in the positioning groove by utilizing the elasticity of the fixed rubber sleeve, so that the corrugated tube can be cut. On the contrary, the positioning bar at the unfolded balance bar is separated from the positioning groove. Under the action of the spiral spring, a force is applied to the balance bar, thereby making the balance bar parallel to the frame, reducing the overall volume of the cutting device, and achieving the purpose of easy folding and storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments.

[0017] Figure 1 This is a structural diagram of a corrugated pipe cutting device proposed in the utility model;

[0018] Figure 2 This is a partial side structural diagram of a corrugated pipe cutting device proposed in the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of a frame of a corrugated pipe cutting device proposed in the present invention;

[0020] Figure 4 This is a schematic diagram of the overall structure of a limit rod of a corrugated pipe cutting device proposed in the utility model.

[0021] Legend:

[0022] 1. Frame; 2. Forward and reverse motors; 3. Driving screw; 4. Threaded barrel; 5. Tool holder; 6. Blade; 7. Guide groove; 8. Guide seat; 9. Balance bar; 10. Positioning bar; 11. Positioning groove; 12. Fixed rubber sleeve; 13. Bidirectional screw; 14. Handle; 15. Limit rod; 16. Handle; 17. Control switch. DETAILED DESCRIPTION

[0023] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely illustrative and are not intended to limit the scope of the present invention. Furthermore, descriptions of known structures and technologies are omitted in the following description to avoid unnecessary confusion regarding the concepts of the present invention.

[0024] Please refer to Figure 1-4 A corrugated pipe cutting device includes a frame 1, a balance rod 9 is installed on the side surface of the frame 1 through a rotating shaft, and a spiral spring is sleeved on the surface of the rotating shaft, a positioning rod 10 is provided on the side surface of the balance rod 9, and a positioning groove 11 is opened on the side surface of the frame 1 for cooperating with the positioning rod 10, and a fixed rubber sleeve 12 is provided in the positioning groove 11, a forward and reverse motor 2 is provided on the upper surface of the frame 1, a driving screw 3 is installed on the output end of the forward and reverse motor 2, a threaded cylinder 4 is provided on the surface of the driving screw 3, a tool holder 5 is provided below the threaded cylinder 4, and a blade 6 is installed below the tool holder 5 through a bolt, a guide seat 8 is provided on the side surface of the tool holder 5, and the guide seat 8 is located in the guide groove 7 opened on the side surface of the frame 1.

[0025] In this embodiment: when in use, the balance bar 9 is unfolded, the positioning bar 10 is stuck in the positioning groove 11, and the positioning bar 10 is fixed in the positioning groove 11 by utilizing the elasticity of the fixed rubber sleeve 12, so that the corrugated tube can be cut. On the contrary, the positioning bar 10 at the unfolded balance bar 9 is separated from the positioning groove 11, and under the action of the spiral spring, a force is applied to the balance bar 9, thereby making the balance bar 9 parallel to the frame 1, reducing the overall volume of the cutting device, and thus achieving the purpose of easy folding and storage.

[0026] Specifically, a bidirectional screw rod 13 is provided inside the frame 1 , a handle 14 is provided at the end of the bidirectional screw rod 13 , and a limit rod 15 is provided on the surface of the bidirectional screw rod 13 .

[0027] In this embodiment, the handle 14 is manually rotated to drive the bidirectional screw rod 13, which in turn drives the limiting rod 15 to limit the position of the bellows.

[0028] Specifically, a knife groove is formed on the side surface of the limiting rod 15 .

[0029] In this embodiment, a knife groove is provided so that the blade 6 can enter the knife groove to perform cutting operation on the corrugated pipe.

[0030] Specifically, a handle 16 is provided on the outer side of the frame 1 .

[0031] In this embodiment, a handle 16 is provided to facilitate carrying the cutting device.

[0032] Specifically, the surfaces of the handle 16 and the handle 14 are provided with anti-slip bumps.

[0033] In this embodiment, the friction between the palm and the hand is increased to achieve an anti-slip effect.

[0034] Specifically, the forward and reverse motor 2 is provided with a control switch 17 .

[0035] In this embodiment: a control switch 17 is provided to control the forward and reverse motor 2. The control circuit of the control switch 17 can be realized by simple programming by those skilled in the art. This is common knowledge in the art and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.

[0036] Working principle: When in use, unfold the balance rod 9, clamp the positioning rod 10 in the positioning groove 11, and use the elasticity of the fixed rubber sleeve 12 to fix the positioning rod 10 in the positioning groove 11, so that the corrugated pipe can be cut. On the contrary, the positioning rod 10 at the unfolded balance rod 9 is separated from the positioning groove 11. Under the action of the spiral spring, a force is applied to the balance rod 9, thereby making the balance rod 9 parallel to the frame 1, reducing the overall volume of the cutting device, and thus achieving the purpose of easy folding and storage.

[0037] It should be understood that the above-described specific embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and do not constitute limitations of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the scope of protection of the present invention. In addition, the appended claims of the present invention are intended to cover all variations and modifications that fall within the scope and metes and bounds of the appended claims, or equivalents thereof.

Claims

1. A corrugated pipe cutting device, comprising a frame (1), characterized in that: The side surface of the frame (1) is provided with a balancing rod (9) via a rotating shaft, and a spiral spring is sleeved on the surface of the rotating shaft. The side surface of the balancing rod (9) is provided with a positioning rod (10). The side surface of the frame (1) is provided with a positioning groove (11) used to cooperate with the positioning rod (10), and a fixed rubber sleeve (12) is provided in the positioning groove (11). The upper surface of the frame (1) is provided with a forward and reverse motor (2), and a driving screw (3) is installed at the output end of the forward and reverse motor (2). The surface of the driving screw (3) is provided with a threaded barrel (4), and a tool holder (5) is provided below the threaded barrel (4), and a blade (6) is installed below the tool holder (5) via a bolt. The side surface of the tool holder (5) is provided with a guide seat (8), and the guide seat (8) is located in the guide groove (7) provided on the side surface of the frame (1).

2. A corrugated pipe cutting device according to claim 1, characterized in that: A bidirectional screw rod (13) is provided inside the frame (1), a handle (14) is provided at the end of the bidirectional screw rod (13), and a limit rod (15) is provided on the surface of the bidirectional screw rod (13).

3. The corrugated pipe cutting device according to claim 2, characterized in that: A knife groove is provided on the side surface of the limiting rod (15).

4. The corrugated pipe cutting device according to claim 1, characterized in that: A handle (16) is provided on the outer side surface of the frame (1).

5. The corrugated pipe cutting device according to claim 2, characterized in that: The surfaces of the handle (16) and the handle (14) are provided with anti-slip convex points.

6. The corrugated pipe cutting device according to claim 1, characterized in that: The forward and reverse motor (2) is provided with a control switch (17).

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