Annular cutting device for steel pipe machining

Abstract

The utility model discloses an annular cutting device for steel pipe machining, which belongs to the technical field of pipeline cutting machining and is characterized by comprising a bottom plate, support plates are fixedly connected to two sides of the top of the bottom plate, an annular sleeve is fixedly connected to the outer side of the top of each support plate, and a positioning component is arranged on the outer side of each annular sleeve. Through the arrangement of the bottom plate, the supporting plate, the ring sleeve, the positioning assembly, the circular ring frame, a sliding way, a tackle seat, a cutting top table seat, a cutting top table, a cutting motor and a cutting blade, a user places a steel pipe into the ring sleeve and the circular ring frame, and then an electric push rod on the outer side of the ring sleeve is started to push a telescopic rod and a positioning plate; the telescopic rods are arranged on the positioning plates, so that the positioning plates on the inner sides of the telescopic rods make contact with the outer sides of the steel pipes, extrusion positioning of the steel pipes is achieved, the positioning plates push the telescopic rods outwards to extrude the springs, and then the springs apply resilience force to the positioning plates after being compressed.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline cutting and processing, in particular to an annular cutting device for steel pipe processing. Background Art

[0002] Steel pipes have a hollow cross-section and their length is much larger than their diameter or circumference. They are divided into round, square, rectangular and special-shaped steel pipes according to their cross-sectional shape; they are divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes according to their materials; they are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc. according to their uses. Steel pipes need to be cut during processing.

[0003] At present, a Chinese utility model with the announcement number of CN206678058U discloses a device for annular cutting of pipes. This utility model discloses a device for annular cutting of pipes, including a base, on which a cutting mechanism and a positioning mechanism are installed, and the central parts of the cutting mechanism and the positioning mechanism are on the same axis; the cutting mechanism includes a circular slideway, a pulley that makes circular motion on the circular slideway, and a cutting part installed on the pulley; compared with the prior art, the utility model is provided with a screw, a buffer spring and a contact sheet, which can effectively fix the pipe according to the size of the pipe, and at the same time, it is effortless when dragging the pipe. This utility model is provided with a cutting top platform, which can effectively control the saw blade to cut from the outer wall of the pipe into the inner wall of the pipe. After cutting, the saw blade can be locked at a fixed position away from the circle by a locking screw; it can effectively ensure that the cutting surface is smooth, and at the same time, it is not easy to damage the saw blade, thereby reducing costs; it has a simple structure and strong practicality.

[0004] According to the above patent, although the existing annular cutting device for steel pipe processing can be fixed according to the size of the pipe during use, so as to save effort when dragging the pipe, and to facilitate the use of the pipe for annular cutting, its multiple structures for positioning pipes of different sizes need to be adjusted manually, which is not only time-consuming and laborious, but also brings inconvenience to the user. Therefore, the above patent is improved based on the problems raised. Utility Model Content

[0005] The utility model provides an annular cutting device for steel pipe processing, aiming to solve the problem that the existing annular cutting device for steel pipe processing can be fixed according to the size of the pipe when in use, so that it is effortless when dragging the pipe, and it is convenient to use the pipe for annular cutting, but its multiple structures for positioning pipes of different sizes need to be adjusted manually, which is not only time-consuming and laborious, but also brings inconvenience to the user.

[0006] The utility model is implemented as follows: a ring cutting device for steel pipe processing comprises a bottom plate, both sides of the top of the bottom plate are fixedly connected with support plates, the outer side of the top of the support plate is fixedly connected with a ring sleeve, the outer side of the ring sleeve is provided with a positioning assembly, the inner side of the top of the bottom plate is fixedly connected with a circular ring frame, the inner side of the circular ring frame is provided with a slideway, the inner side of the slideway is provided with a pulley seat, the top of the pulley seat is provided with a cutting top platform seat, the top of the cutting top platform seat is provided with a cutting top platform, the bottom of the pulley seat is provided with a cutting motor, and the output end of the cutting motor is bolted with a cutting blade;

[0007] The positioning assembly includes an electric push rod, a telescopic rod, a positioning plate and a first spring. The electric push rod is bolted to the front and rear sides of the top and bottom of the ring sleeve respectively. The telescopic end of the electric push rod passes through the outside of the ring sleeve. The telescopic rod is fixedly connected to the telescopic end of the electric push rod. The positioning plate is bolted to the inner side of the telescopic rod. The first spring is sleeved on the outer side of the telescopic rod. The inner side of the first spring contacts the outer side of the positioning plate, and the outer side of the first spring contacts the inner side of the ring sleeve.

[0008] In order to achieve the effect of further supporting the use when cutting the steel pipe, as a preferred annular cutting device for steel pipe processing of the utility model, the front and rear sides of the outer side of the top of the support plate are fixedly connected with telescopic tubes, the top of the telescopic tube is bolted with an auxiliary delivery shaft, and the outer side of the telescopic tube is sleeved with a second spring.

[0009] In order to further improve the anti-skid performance of the auxiliary feed shaft surface and avoid the shaking of the steel pipe, as a preferred annular cutting device for steel pipe processing in the utility model, the surface of the auxiliary feed shaft is coated with anti-skid patterns, and the anti-skid patterns are in the shape of particles.

[0010] In order to further enhance the effect of facilitating pulling and sliding when positioning the steel pipe, as a preferred annular cutting device for steel pipe processing of the utility model, an auxiliary slide plate is bonded to the inner side of the positioning plate, and the surface of the auxiliary slide plate is smooth.

[0011] In order to facilitate the collection of metal debris when cutting steel pipes, as a preferred annular cutting device for steel pipe processing of the utility model, a slag collecting box is placed in the middle of the top of the bottom plate, and the slag collecting box is located at the bottom of the circular ring frame.

[0012] In order to facilitate the user to pull and place the slag collecting box for use, as a preferred annular cutting device for steel pipe processing of the utility model, the front and rear sides of the slag collecting box are bolted with handles, and both sides of the handles are arc-shaped.

[0013] In order to further enhance the anti-slip performance of the handle surface, as a preferred embodiment of the utility model of a circular cutting device for steel pipe processing, the handle surface is provided with anti-slip patterns, and the anti-slip patterns are in a grid shape.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The annular cutting device for steel pipe processing is provided with a bottom plate, a support plate, a ring sleeve, a positioning assembly, a circular ring frame, a slideway, a pulley seat, a cutting top platform seat, a cutting top platform, a cutting motor and a cutting blade. The user places the steel pipe material inside the ring sleeve and the circular ring frame, and then starts the electric push rod outside the ring sleeve to push the telescopic rod and the positioning plate, so that the positioning plate inside the telescopic rod contacts the outside of the steel pipe material, thereby realizing the extrusion and positioning of the steel pipe material, and the positioning plate pushes the telescopic rod outward to squeeze the spring, so that the spring is compressed and exerts a rebound force on the positioning plate, thereby making the positioning plate realize automatic positioning of the steel pipe material. And it is firmly pressed and fixed, so that there is no need for manual adjustment when positioning steel pipes of different sizes, thereby improving efficiency and reducing labor, thereby bringing convenience to users, and then starting the cutting motor to drive the cutting blade to rotate, and then the pulley seat will drive the cutting motor to make a circular motion along the slideway inside the circular ring frame with the cooperation of its cutting top platform seat and the cutting top platform, so that its cutting blade can cut the steel pipe. Herein, the structures of the pulley seat, cutting top platform seat, cutting top platform, cutting motor and cutting blade are directly quoted from the document with patent number CN206678058U, and no further description is given here. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structural diagram of the annular cutting device for steel pipe processing of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the positioning component in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the circular ring frame in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the telescopic tube in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the slag collecting box in the utility model.

[0021] In the figure, 1, bottom plate; 2, support plate; 3, ring sleeve; 4, positioning assembly; 401, electric push rod; 402, telescopic rod; 403, positioning plate; 404, first spring; 5, circular ring frame; 6, slideway; 7, pulley seat; 8, cutting top platform seat; 9, cutting top platform; 10, pull handle; 11, cutting motor; 12, cutting blade; 13, telescopic tube; 14, auxiliary feeding shaft; 15, second spring; 16, auxiliary slide plate; 17, slag collecting box. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0024] See also Figure 1-5 The utility model provides a technical solution: a ring cutting device for steel pipe processing, comprising a bottom plate 1, both sides of the top of the bottom plate 1 are fixedly connected with support plates 2, the outer side of the top of the support plate 2 is fixedly connected with a ring sleeve 3, the outer side of the ring sleeve 3 is provided with a positioning component 4, the inner side of the top of the bottom plate 1 is fixedly connected with a circular ring frame 5, the inner side of the circular ring frame 5 is provided with a slideway 6, the inner side of the slideway 6 is provided with a pulley seat 7, the top of the pulley seat 7 is provided with a cutting top platform seat 8, the top of the cutting top platform seat 8 is provided with a cutting top platform 9, the bottom of the pulley seat 7 is provided with a cutting motor 11, and the output end of the cutting motor 11 is bolted with a cutting blade 12;

[0025] The positioning assembly 4 includes an electric push rod 401, a telescopic rod 402, a positioning plate 403 and a first spring 404. The electric push rod 401 is bolted to the front and rear sides of the top and bottom of the ring sleeve 3 respectively. The telescopic end of the electric push rod 401 passes through the outside of the ring sleeve 3. The telescopic rod 402 is fixedly connected to the telescopic end of the electric push rod 401. The positioning plate 403 is bolted to the inner side of the telescopic rod 402. The first spring 404 is sleeved on the outer side of the telescopic rod 402. The inner side of the first spring 404 contacts the outer side of the positioning plate 403, and the outer side of the first spring 404 contacts the inner side of the ring sleeve 3.

[0026] In this embodiment: by setting the bottom plate 1, the support plate 2, the ring sleeve 3, the positioning assembly 4, the circular ring frame 5, the slideway 6, the pulley seat 7, the cutting top seat 8, the cutting top 9, the cutting motor 11 and the cutting blade 12, the user places the steel pipe inside the ring sleeve 3 and the circular ring frame 5, and then starts the electric push rod 401 outside the ring sleeve 3 to push the telescopic rod 402 and the positioning plate 403, so that the positioning plate 403 inside the telescopic rod 402 contacts the outside of the steel pipe, thereby realizing the extrusion positioning of the steel pipe, and the positioning plate 403 pushes the telescopic rod 402 outward to squeeze the spring, so that After the spring is compressed, it applies a rebound force to the positioning plate 403, thereby making the positioning plate 403 automatically and firmly press and fix the steel pipe, so that there is no need for manual adjustment when positioning steel pipes of different sizes, thereby improving efficiency and reducing labor, thereby bringing convenience to users, and then starting the cutting motor 11 to drive the cutting blade 12 to rotate, and then the pulley seat 7, with the cooperation of its cutting top platform seat 8 and the cutting top platform 9, will drive the cutting motor 11 to make a circular motion along the slideway 6 inside the circular frame 5, so that the cutting blade 12 can cut the steel pipe.

[0027] As a technical optimization solution of the utility model, the front and rear sides of the top outer side of the support plate 2 are fixedly connected with a telescopic tube 13, the top of the telescopic tube 13 is bolted with an auxiliary delivery shaft 14, and the outer side of the telescopic tube 13 is sleeved with a second spring 15.

[0028] In this embodiment: by providing the telescopic tube 13, the auxiliary delivery shaft 14 and the second spring 15, it is possible to achieve that when the steel pipe is cut, the auxiliary delivery shaft 14 at the bottom of the telescopic tube 13 and the second spring 15 further supports the steel pipe, thereby facilitating the stability of the steel pipe when cutting.

[0029] As a technical optimization solution of the utility model, the surface of the auxiliary delivery shaft 14 is painted with anti-skid patterns, and the anti-skid patterns are in the shape of particles.

[0030] In this embodiment, by applying granular anti-skid patterns on the surface of the auxiliary delivery shaft 14 , the anti-skid performance of the surface of the auxiliary delivery shaft 14 can be further improved, thereby achieving a more stable effect when cutting steel pipes.

[0031] As a technical optimization solution of the present invention, an auxiliary slide plate 16 is bonded to the inner side of the positioning plate 403, and the surface of the auxiliary slide plate 16 is smooth.

[0032] In this embodiment, the auxiliary slide plate 16 is provided to further enhance the pulling and sliding effect when positioning the steel pipe, so as to facilitate use.

[0033] As a technical optimization solution of the present invention, a slag collecting box 17 is placed in the middle of the top of the bottom plate 1 , and the slag collecting box 17 is located at the bottom of the circular ring frame 5 .

[0034] In this embodiment, by providing a slag collecting box 17, it is possible to collect metal slag when cutting steel pipes, so as to facilitate use.

[0035] As a technical optimization solution of the present invention, the front and rear sides of the slag collecting box 17 are both bolted with a pull handle 10 , and both sides of the pull handle 10 are arc-shaped.

[0036] In this embodiment, by providing the pull handle 10 , it is possible to facilitate the user to pull the slag collecting box 17 for use, thereby facilitating use.

[0037] As a technical optimization solution of the present invention, the surface of the handle 10 is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.

[0038] In this embodiment, a grid-shaped anti-skid pattern is provided on the surface of the handle 10 , so that the anti-skid performance of the surface of the handle 10 can be further improved.

[0039] Working principle: First, place the steel pipe inside the ring sleeve 3 and the circular ring frame 5, and then start the electric push rod 401 outside the ring sleeve 3 to push the telescopic rod 402 and the positioning plate 403, so that the positioning plate 403 inside the telescopic rod 402 contacts the outside of the steel pipe, thereby realizing the extrusion and positioning of the steel pipe, and the positioning plate 403 pushes the telescopic rod 402 outward to squeeze the spring, so that the spring is compressed and exerts a rebound force on the positioning plate 403, thereby making the positioning plate 403 03 The steel pipe is automatically and firmly pressed and fixed, so that there is no need for manual adjustment when positioning steel pipes of different sizes, thereby improving efficiency and reducing labor, thereby bringing convenience to users, and then starting the cutting motor 11 to drive the cutting blade 12 to rotate, and then the pulley seat 7, with the cooperation of its cutting top seat 8 and the cutting top platform 9, will drive the cutting motor 11 to make a circular motion along the slide 6 inside the circular frame 5, so that the cutting blade 12 can cut the steel pipe.

[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A circular cutting device for steel pipe processing, comprising a bottom plate (1), characterized in that: Both sides of the top of the base plate (1) are fixedly connected with support plates (2), the outer side of the top of the support plate (2) is fixedly connected with a ring sleeve (3), the outer side of the ring sleeve (3) is provided with a positioning assembly (4), the inner side of the top of the base plate (1) is fixedly connected with a circular ring frame (5), the inner side of the circular ring frame (5) is provided with a slideway (6), the inner side of the slideway (6) is provided with a pulley seat (7), the top of the pulley seat (7) is provided with a cutting top platform seat (8), the top of the cutting top platform seat (8) is provided with a cutting top platform (9), the bottom of the pulley seat (7) is provided with a cutting motor (11), and the output end of the cutting motor (11) is bolted with a cutting blade (12); The positioning assembly (4) comprises an electric push rod (401), a telescopic rod (402), a positioning plate (403) and a first spring (404); the electric push rod (401) is bolted to the front and rear sides of the top and bottom of the ring sleeve (3) respectively; the telescopic end of the electric push rod (401) passes through the outside of the ring sleeve (3); the telescopic rod (402) is fixedly connected to the telescopic end of the electric push rod (401); the positioning plate (403) is bolted to the inside of the telescopic rod (402); the first spring (404) is sleeved on the outside of the telescopic rod (402); the inside of the first spring (404) contacts the outside of the positioning plate (403); and the outside of the first spring (404) contacts the inside of the ring sleeve (3).

2. The annular cutting device for steel pipe processing according to claim 1, characterized in that: The front and rear sides of the outer top of the support plate (2) are fixedly connected with telescopic tubes (13), the top of the telescopic tube (13) is bolted with an auxiliary delivery shaft (14), and the outer side of the telescopic tube (13) is sleeved with a second spring (15).

3. The annular cutting device for steel pipe processing according to claim 2, characterized in that: The surface of the auxiliary delivery shaft (14) is coated with anti-skid patterns, and the anti-skid patterns are in the shape of particles.

4. The annular cutting device for steel pipe processing according to claim 1, characterized in that: An auxiliary sliding plate (16) is bonded to the inner side of the positioning plate (403), and the surface of the auxiliary sliding plate (16) is smooth.

5. The annular cutting device for steel pipe processing according to claim 1, characterized in that: A slag collecting box (17) is placed in the middle of the top of the bottom plate (1), and the slag collecting box (17) is located at the bottom of the circular ring frame (5).

6. The annular cutting device for steel pipe processing according to claim 5, characterized in that: The front and rear sides of the slag collecting box (17) are both bolted with a pull handle (10), and both sides of the pull handle (10) are arc-shaped.

7. The annular cutting device for steel pipe processing according to claim 6, characterized in that: The surface of the handle (10) is provided with anti-skid patterns, and the anti-skid patterns are in a grid shape.

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