Pipe expanding and shrinking machine with high safety

Abstract

The utility model discloses a pipe expanding and shrinking machine with high safety, which relates to the technical field of pipe expanding and shrinking machines, and comprises a base, a processing component is arranged on the base, an operation notch is formed in the front part of the base, a protective cover is rotatably connected to the rear part of the base through a connecting hinge, an electric push rod is rotatably mounted on the side surface of the base, and the electric push rod is rotatably mounted on the rear part of the base. The output end of the electric push rod is fixedly connected with a connecting block, the connecting block is rotationally connected with the protective cover, a protruding part is arranged on the front portion of the protective cover and matched with the operation notch, and the lower portion of the protruding part is fixedly connected with an elastic cushion. Through the arranged protective cover, good protection can be provided for a machining part, chippings of a pipeline workpiece are prevented from splashing in the machining process, the safety in the machining process is improved, the noise generated when the protective cover is closed can be reduced through an elastic pad, and using is more comfortable.

Description

Technical Field

[0001] The utility model relates to the technical field of tube expansion and contraction machines, in particular to a tube expansion and contraction machine with high safety. Background Art

[0002] The pipe expansion and contraction machine is a device that uses a pipe shrinking sleeve and a pipe expansion drill bit to expand and contract the pipes at both ends.

[0003] In the existing technology, pipe expansion and pipe reduction are usually processed directly on a machine. During processing, unqualified pipes are prone to breakage and splashing, and the processing process is not safe and inconvenient to use. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a pipe expansion and contraction machine with high safety. The protective cover can provide good protection for the processing part, avoid splashing of debris of the pipeline workpiece during the processing, and improve the safety of the processing process. The elastic pad can reduce the noise of closing the protective cover, making it more comfortable to use.

[0005] One of the purposes of the utility model is achieved by the following technical solution: a high-safety pipe expansion and contraction machine, comprising a base, a processing assembly is arranged on the base, an operation notch is arranged at the front of the base, a protective cover is rotatably connected to the rear of the base through a connecting hinge, an electric push rod is rotatably installed on the side of the base, a connecting block is fixedly connected to the output end of the electric push rod, the connecting block is rotatably connected to the protective cover, a protrusion is arranged at the front of the protective cover, the protrusion is adapted to the operation notch, and an elastic pad is fixedly connected to the lower part of the protrusion; the processing assembly comprises a hydraulic cylinder 1 and a hydraulic cylinder 2 fixedly installed on the outer side of the base, a slide rail fixedly installed on the inner side of the base, a lower clamping seat fixedly installed in the middle of the base, and a support frame fixedly installed at the rear of the base, a pipe reduction seat and a slide seat are slidably connected on the slide rail, the output end of the hydraulic cylinder 1 is fixedly connected to the pipe reduction seat, the output end of the hydraulic cylinder 2 is fixedly connected to the slide seat, a motor is fixedly installed on the slide seat, a pipe expansion drill is fixedly connected to the output end of the motor, a cylinder is fixedly installed on the support frame, and an upper clamping seat is fixedly connected to the output end of the cylinder. The protective cover can provide good protection for the processing part, avoid splashing of debris of the pipeline workpiece during processing, improve the safety of the processing, and the elastic pad can reduce the noise of closing the protective cover, making it more comfortable to use.

[0006] According to the highly safe tube expansion and contraction machine, there are two electric push rods, which are axially symmetrically arranged.

[0007] According to the tube expansion and contraction machine with high safety, the protective cover is made of a transparent material.

[0008] According to the tube expansion and contraction machine with high safety, the tube expansion drill bit is arranged concentrically with the inner hole of the tube contraction seat.

[0009] According to the tube expansion and contraction machine with high safety, the upper clamping seat is located directly above the lower clamping seat.

[0010] According to the highly safe tube expansion and contraction machine, the upper clamping seat and the lower clamping seat are both provided with grooves adapted to the tube fittings.

[0011] According to the tube expansion and contraction machine with high safety, the longitudinal section of the support frame is L-shaped.

[0012] According to the tube expansion and contraction machine with high safety, the elastic pad is made of sponge material.

[0013] Beneficial Effects

[0014] Compared with the prior art, the protective cover provided in the utility model can provide good protection for the processing part, avoid splashing of debris of the pipeline workpiece during processing, improve the safety of the processing process, and the elastic pad can reduce the noise of closing the protective cover, making it more comfortable to use.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural schematic diagram of a highly safe pipe expansion and contraction machine of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a processing assembly of a tube expansion and contraction machine with high safety according to the utility model;

[0019] Figure 3 This is a schematic structural diagram of a protective cover of a pipe expansion and contraction machine with high safety according to the utility model;

[0020] Figure 4 The utility model is a structural schematic diagram of a pipe expansion and contraction machine with high safety from a bottom perspective.

[0021] Legend:

[0022] 1. Base; 101. Connecting hinge; 201. Electric push rod; 202. Connecting block; 203. Protective cover; 2031. Protrusion; 204. Elastic pad; 3. Processing assembly; 301. Hydraulic cylinder 1; 302. Shrinking seat; 303. Slide rail; 304. Lower clamping seat; 305. Upper clamping seat; 306. Cylinder; 307. Support frame; 308. Expanding drill bit; 309. Motor; 310. Hydraulic cylinder 2. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1-4 The utility model embodiment is a highly safe expansion and contraction pipe machine, which includes a base 1, a processing assembly 3 is arranged on the base 1, an operation notch is arranged at the front of the base 1, a protective cover 203 is rotatably connected to the rear of the base 1 through a connecting hinge 101, and the protective cover 203 is made of a transparent material. An electric push rod 201 is rotatably installed on the side of the base 1. There are two electric push rods 201, which are axially symmetrically arranged. The output end of the electric push rod 201 is fixedly connected to a connecting block 202, and the connecting block 202 is rotatably connected to the protective cover 203. A protrusion 2031 is arranged at the front of the protective cover 203, and the protrusion 2031 is adapted to the operation notch. The lower part of the protrusion 2031 is fixedly connected to an elastic pad 204, and the elastic pad 204 is made of a sponge material; the processing assembly 3 includes a hydraulic cylinder 301 fixedly installed on the outside of the base 1, a hydraulic cylinder 2 310, a slide rail 303 fixedly mounted on the inner side of the base 1, a lower clamping seat 304 fixedly mounted in the middle of the base 1, a support frame 307 fixedly mounted on the rear part of the base 1, the longitudinal section of the support frame 307 is L-shaped, the slide rail 303 is slidably connected with a reduction tube seat 302 and a slide seat, the output end of the hydraulic cylinder 1 301 is fixedly connected to the reduction tube seat 302, the output end of the hydraulic cylinder 2 310 is fixedly connected to the slide seat, a motor 309 is fixedly mounted on the slide seat, a tube expansion drill bit 308 is fixedly connected to the output end of the motor 309, and the tube expansion drill bit 308 is concentrically arranged with the inner hole of the reduction tube seat 302, a cylinder 306 is fixedly mounted on the support frame 307, an upper clamping seat 305 is fixedly connected to the output end of the cylinder 306, the upper clamping seat 305 is located directly above the lower clamping seat 304, and grooves matching the pipe fittings are provided on the upper clamping seat 305 and the lower clamping seat 304. The protective cover 203 can provide good protection for the processing part, avoid splashing of debris of the pipeline workpiece during processing, and improve the safety of the processing. The elastic pad 204 can reduce the noise of closing the protective cover 203, making it more comfortable to use.

[0025] Working principle: When in use, the pipe workpiece to be processed is placed on the lower clamp seat 304, and the cylinder 306 is ventilated to drive the upper clamp seat 305 to move downward, and the upper clamp seat 305 and the lower clamp seat 304 cooperate with each other to limit the workpiece, and then the electric push rod 201 drives the connecting block 202, and the connecting block 202 drives the protective cover 203 to move, and the protective cover 203 is covered on the base 1. The elastic pad 204 can reduce the noise of closing the protective cover 203, which is more comfortable to use. Then the hydraulic cylinder 1 301 drives the shrinking seat 302 to slide on the slide rail 303, and the hydraulic cylinder 2 310 drives the slide seat to slide on the slide rail 303, thereby driving the motor 309 and the expansion drill bit 308 to approach the pipe workpiece, and the shrinking groove with a gradually decreasing inner diameter on the shrinking seat 302 can shrink the end face of the pipe workpiece, and the motor 309 drives the expansion drill bit 308 to rotate, and the expansion drill bit 308 can expand the pipe workpiece.

[0026] 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, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tube expansion and contraction machine with high safety, comprising a base (1), characterized in that: The base (1) is provided with a processing assembly (3); an operating notch is provided at the front of the base (1); a protective cover (203) is rotatably connected to the rear of the base (1) via a connecting hinge (101); an electric push rod (201) is rotatably mounted on the side of the base (1); an output end of the electric push rod (201) is fixedly connected to a connecting block (202); the connecting block (202) is rotatably connected to the protective cover (203); a protrusion (2031) is provided at the front of the protective cover (203); the protrusion (2031) is adapted to the operating notch; and an elastic pad (204) is fixedly connected to the lower part of the protrusion (2031); the processing assembly (3) comprises a hydraulic cylinder (3031) fixedly mounted on the outer side of the base (1); 1), hydraulic cylinder 2 (310), a slide rail (303) fixedly mounted on the inner side of the base (1), a lower clamping seat (304) fixedly mounted on the middle part of the base (1), a support frame (307) fixedly mounted on the rear part of the base (1), the slide rail (303) being slidably connected with a tube shrinking seat (302) and a slide seat, the output end of the hydraulic cylinder 1 (301) being fixedly connected with the tube shrinking seat (302), the output end of the hydraulic cylinder 2 (310) being fixedly connected with the slide seat, a motor (309) being fixedly mounted on the slide seat, the output end of the motor (309) being fixedly connected with a tube expansion drill bit (308), a cylinder (306) being fixedly mounted on the support frame (307), the output end of the cylinder (306) being fixedly connected with an upper clamping seat (305).

2. A highly safe tube expansion and contraction machine according to claim 1, characterized in that: There are two electric push rods (201), which are arranged axially symmetrically.

3. A highly safe tube expansion and contraction machine according to claim 1, characterized in that: The protective cover (203) is made of a transparent material.

4. A highly safe tube expansion and contraction machine according to claim 1, characterized in that: The tube expansion drill bit (308) is arranged concentrically with the inner hole of the tube reduction seat (302).

5. The tube expansion and contraction machine with high safety according to claim 1, characterized in that: The upper clamping seat (305) is located directly above the lower clamping seat (304).

6. A highly safe tube expansion and contraction machine according to claim 1, characterized in that: The upper clamping seat (305) and the lower clamping seat (304) are both provided with grooves adapted to the pipe fittings.

7. The tube expansion and contraction machine with high safety according to claim 1, characterized in that: The longitudinal section of the support frame (307) is L-shaped.

8. The tube expansion and contraction machine with high safety according to claim 1, characterized in that: The elastic pad (204) is made of sponge material.

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