CN111055326A

CN111055326A - Hand-held type pipeline cutting device

Info

Publication number: CN111055326A
Application number: CN201911252328.1A
Authority: CN
Inventors: 吴尚莲
Original assignee: Anhui Sandi Electronic Technology Co ltd
Current assignee: Anhui Sandi Electronic Technology Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-04-24

Abstract

The invention discloses a handheld pipeline cutting device, and relates to the technical field of building installation engineering. The invention comprises a box body; a bushing is fixedly connected with the inner side surface of the box body; the circumferential side surface of the bush is rotatably connected with a cutter seat; the tool apron comprises a guide sleeve; the inner surface of the guide sleeve is rotationally connected with the peripheral side surface of the bush; the peripheral side surface of the guide sleeve is fixedly connected with a cutter head; a sliding sleeve is matched with the peripheral side surface of the guide sleeve in a sliding way; the peripheral side of the sliding sleeve is fixedly connected with an adjusting disc; the outer surface of the adjusting disc is in sliding fit with a shifting block. According to the invention, the box body is arranged, and the blade is arranged in the box body, so that the problems that cutting powder is easy to splash and potential safety hazards exist in the existing pipeline cutting process are solved; the pipeline is cut in a circumferential mode by arranging a blade capable of moving in the radial direction, and a pressing block is arranged on the box cover; the problem that the cutting vibration and noise of the existing pipeline are large, and the body health of personnel is affected is solved; simultaneously, with whole device integration in the box, solved current cutting machine and used or carried inconvenient problem.

Description

Hand-held type pipeline cutting device

Technical Field

The invention belongs to the technical field of building installation engineering, and particularly relates to a handheld pipeline cutting device.

Background

After the house is built, a large number of pipelines are installed in the later hydroelectric installation or decoration process, and the pipelines need to be cut according to the size in the installation process; the existing cutting machine is too heavy and inconvenient to carry and operate; meanwhile, vibration and noise are large during cutting, and cutting powder is easy to splash, so that certain influence is caused on the health of personnel.

Disclosure of Invention

The invention aims to provide a handheld pipeline cutting device, which solves the problems that cutting powder is easy to splash and potential safety hazards exist in the existing pipeline cutting process by arranging a box body and arranging a blade in the box body; the pipeline is cut in a circumferential mode by arranging a blade capable of moving in the radial direction, and a pressing block is arranged on the box cover; the problem that the cutting vibration and noise of the existing pipeline are large, and the body health of personnel is affected is solved; simultaneously, with whole device integration in the box, solved current cutting machine and used or carried inconvenient problem.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a handheld pipeline cutting device, which comprises a box body; one side surface of the box body is hinged with a box cover; the other outer side surface of the box body is fixedly connected with a motor;

a discharge hole and a through hole are formed in one side surface of the box body; a lining is fixedly connected to the inner side surface of the box body relative to the discharge hole;

the circumferential side surface of the bush is rotatably connected with a cutter holder; the motor is connected with a gear through a transmission shaft;

a feed inlet is formed in one side face of the box cover opposite to the discharge outlet; a plurality of fixed blocks are arrayed on one side surface of the box cover opposite to the feed inlet; a through hole is formed in one surface of the fixed block; a fixed rod is in sliding fit with the inner surface of the through hole;

one end of the fixed rod is fixedly connected with a pressing block; the side surface of the fixed rod is in clearance fit with a first elastic piece;

the tool apron comprises a guide sleeve; the inner surface of the guide sleeve is rotationally connected with the peripheral side surface of the bush; the peripheral side surface of the guide sleeve is fixedly connected with a cutter head; a sliding sleeve is in sliding fit with the peripheral side surface of the guide sleeve;

a plurality of T-shaped channels are arrayed on one surface of the cutter head; the peripheral side surface of the cutter head is fixedly connected with a gear ring meshed with a gear;

the inner surface of the T-shaped groove is in sliding fit with a blade; the blade is connected with a wedge-shaped block through a connecting block;

the peripheral side surface of the sliding sleeve is fixedly connected with an adjusting disc; a notch matched with the wedge block is formed in one surface of the adjusting disc; the outer surface of the adjusting disc is in sliding fit with a shifting block.

Furthermore, one surface of the pressing block is of a circular arc structure.

Furthermore, a blind hole is formed in one inner side face of the T-shaped channel.

Furthermore, a guide post is fixedly connected to one surface of the connecting block; the side surfaces of the guide columns are in clearance fit with second elastic pieces; one end of the second elastic piece is fixedly connected with the inner surface of the blind hole.

Furthermore, a groove matched with the peripheral side surface of the adjusting disc is formed in one surface of the shifting block; one side face of the shifting block is fixedly connected with a shifting lever;

the peripheral side surface of the deflector rod is in sliding fit with the inner surface of the through hole; and a third elastic piece is in clearance fit with the peripheral side surface of the shifting lever.

The invention has the following beneficial effects:

1. the invention is integrated in the box body through the whole device, improves the convenience of use and carrying, and simultaneously plays a certain role in protecting personnel during operation.

2. According to the invention, the blades capable of being radially adjusted are arranged, and are used for circumferentially cutting the pipeline, so that the problems of vibration and high noise in the traditional cutting mode are effectively reduced.

3. According to the invention, the rotary cutter head is arranged in the box body, and a certain closed space is formed by the box cover and the box body, so that powder generated by cutting is collected, the influence of the powder on the health of a human body is reduced, and meanwhile, the cleaning of a construction site is facilitated.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a hand-held pipe cutting apparatus according to the present invention;

FIG. 2 is a top view of the structure of FIG. 1;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic structural view of the case;

FIG. 5 is a schematic diagram of the rear view of FIG. 4;

FIG. 6 is a schematic view of the case cover;

FIG. 7 is a schematic view of the structure of the insert, tool holder and adjustment disk;

FIG. 8 is a schematic structural diagram of a rear view of FIG. 7;

FIG. 9 is a schematic view of the tool holder;

FIG. 10 is a schematic rear view of the structure of FIG. 9;

FIG. 11 is a schematic view of the structure of the adjustment disk;

FIG. 12 is a schematic structural diagram of a dial block;

FIG. 13 is a schematic structural view of a blade, a connecting block and a wedge block;

FIG. 14 is a front view of the structure of FIG. 13;

in the drawings, the components represented by the respective reference numerals are listed below:

1-box body, 2-box cover, 3-motor, 4-knife holder, 5-sliding sleeve, 101-discharge port, 102-through hole, 103-bushing, 201-feed port, 202-fixed block, 203-fixed rod, 204-pressing block, 205-first elastic piece, 301-gear, 401-guide sleeve, 402-knife disc, 403-blade, 404-connecting piece, 405-wedge block, 501-adjusting disc, 502-shifting block, 503-deflector rod, 504-third elastic piece, 4021-T-shaped groove channel, 4022-blind hole, 4041-guide post and 5021-groove channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "peripheral side," "end," "center," "side," "inner," "peripheral" and the like are used in an orientation or positional relationship merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the present invention.

The present invention is a hand-held pipe cutting apparatus, as shown in fig. 1 and 2, comprising a case 1; one side surface of the box body 1 is hinged with a box cover 2; the other outer side surface of the box body 1 is fixedly connected with a motor 3;

as shown in fig. 4 and 5, a discharge port 101 and a through hole 102 are formed on one side surface of the case 1; a lining 103 is welded on the inner side surface of the box body 1 relative to the discharge port 101; the inner diameter of the bushing 103 is equal to the diameter of the discharge hole 101; the motor 3 is connected with a gear 301 through a transmission shaft;

as shown in fig. 1 and 6, a feeding port 201 is formed on one side surface of the box cover 2 opposite to the discharging port 101; the diameter of the feed port 201 is equal to that of the discharge port 101, and the circle centers of the feed port and the discharge port are superposed in a projection manner in the same vertical plane; three fixed blocks 202 are arrayed on one side face of the box cover 2 opposite to the position of the feed port 201; a through hole is formed in one surface of the fixing block 202; a fixed rod 203 is in sliding fit with the inner surface of the through hole;

one end of the fixed rod 203 is fixedly connected with a pressing block 204; one surface of the pressing block 204 is of an arc-shaped structure, an anti-skid rubber pad can be arranged on the arc-shaped surface, so that the outer diameter of the pipeline can be conveniently fixed, and chamfering or filleting processing is performed on one side of the pressing block, which is opposite to the feeding port 201, so that the pipeline can be conveniently inserted; one end of the fixing rod 203 can be matched with a nut through threads, and the length of the fixing rod 203 can be adjusted through the nut; a first elastic piece 205 is in clearance fit with the peripheral side surface of the fixed rod 203; the first elastic piece 205 can be used for enabling the pressing block 204 to automatically and radially extrude and fix the pipeline;

as shown in fig. 3, 4 and 7, a tool holder 4 is rotatably connected to the peripheral side of the bush 103; the tool holder 4 comprises a guide sleeve 401; the inner surface of the guide sleeve 401 is rotatably connected with the circumferential side surface of the bushing 103 through a bearing; a cutter head 402 is welded on the circumferential side of the guide sleeve 401; a sliding sleeve 5 is in sliding fit with the peripheral side surface of the guide sleeve 401;

as shown in fig. 9 and 10, a surface of the cutter head 402 is arrayed with three T-shaped channels 4021, and the T-shaped channels 4021 penetrate through the cutter head 402 to opposite sides; a gear ring meshed with the gear 301 is fixedly connected to the peripheral side surface of the cutter head 402; the gear 301 is driven to rotate by the motor 3, so that the cutter head 402 rotates; the cutter head 402 can also be arranged as a gear disc;

as shown in fig. 13 and 14, the inner surface of the T-shaped channel 4021 has a sliding fit of the blade 403; the blade 403 is connected with a wedge block 405 through a connecting block 404;

as shown in fig. 11, an adjusting plate 501 is welded on the peripheral side of the sliding sleeve 5; a notch 5011 matched with the wedge block 405 is formed in one surface of the adjusting disc 501, the inner top surface of the notch 5011 is an inclined surface matched with the inclined surface of the wedge block 405, and the inner side of the notch 5011 is in sliding fit with one opposite side surface of the wedge block 405 respectively; the notch 5011 and the wedge block 405 are matched more tightly and stably;

as shown in fig. 3, a dial 502 is slidably fitted on the outer surface of the adjusting plate 501;

as shown in fig. 9 and 10, a blind hole 4022 is formed on an inner side surface of the T-shaped channel 4021;

as shown in fig. 13 and 14, a guide post 4041 is welded on one surface of the connecting block 404; the side surface of the guide post 4041 is in clearance fit with a second elastic piece; one end of the second elastic piece is in interference fit or welded with the inner surface of the blind hole 4022; the second elastic piece can make the blade 403 automatically return to the original position after the cutting is finished, so that the pipeline can be conveniently placed in the next cutting;

as shown in fig. 12, a groove 5021 matched with the circumferential side surface of the adjusting disc 501 is formed on one surface of the shifting block 502, and the lower surface of the shifting block 502 is set to be a circular arc surface, so that when the blade 403 rotates, the wedge block 405 and the lower surface of the shifting block 502 are prevented from generating interference; one side of the shifting block 502 is fixedly connected with a shifting lever 503; the peripheral side surface of the deflector rod 503 is in sliding fit with the inner surface of the through hole 102; a third elastic element 504 is fitted in the peripheral surface of the driving lever 503,

as shown in fig. 3 and 8, by pushing the shift lever 503, the dial 502 is used to drive the adjusting disc 501 to move toward the cutter disc 402;

the notch 5011 on the adjusting disc 501 is matched with the wedge block 405, so that the wedge block 405 generates a force moving along the radial direction of the cutter disc 402, and the blade 403 is driven to move along the radial direction of the cutter disc 402, thereby completing the cutting of the pipeline; the pipeline is cut in a circumferential mode through the blades 403, so that the problems of vibration and high noise of a traditional cutting mode are effectively reduced, and meanwhile, the cutting surface is more tidy; the edge of the blade 403 can be arranged to be serrated, so that the cutting efficiency is increased;

after cutting, under the action of the third elastic member 504, the shifting rod 503 drives the shifting block 502 to retreat, so that the adjusting disc 501 returns to the original position; meanwhile, the blade 403 automatically returns to the original position under the action of the second elastic member, so that the next cutting is facilitated.

The cutter head 402 and the blades 403 are arranged in the box body 1, a certain closed space is formed by the box cover 2 and the box body 1, powder generated by cutting is collected, the influence of the powder on human health is reduced, and the cleaning of a construction site is facilitated; meanwhile, as shown in fig. 1, a handle may be further disposed on the upper surface of the case 1, which facilitates the carrying and operation of the pipe cutting apparatus of the present invention during the cutting process, and increases the adaptability and practicability of the pipe cutting apparatus.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A hand-held type pipe cutting device which characterized in that: comprises a box body (1); one side surface of the box body (1) is hinged with a box cover (2); the other outer side surface of the box body (1) is fixedly connected with a motor (3);

a discharge hole (101) and a through hole (102) are formed in one side surface of the box body (1); a lining (103) is fixedly connected to the inner side surface of the box body (1) relative to the position of the discharge hole (101);

the circumferential side surface of the bushing (103) is rotationally connected with a cutter holder (4); the motor (3) is connected with a gear (301) through a transmission shaft;

a feed inlet (201) is formed in one side surface of the box cover (2) opposite to the discharge hole (101); a plurality of fixed blocks (202) are arrayed on one side surface of the box cover (2) opposite to the position of the feed port (201); a through hole is formed in one surface of the fixing block (202); a fixed rod (203) is in sliding fit with the inner surface of the through hole;

one end of the fixed rod (203) is fixedly connected with a pressing block (204); a first elastic piece (205) is in clearance fit with the peripheral side surface of the fixed rod (203);

the cutter holder (4) comprises a guide sleeve (401); the inner surface of the guide sleeve (401) is rotationally connected with the peripheral side surface of the bushing (103); a cutter head (402) is fixedly connected to the peripheral side surface of the guide sleeve (401); a sliding sleeve (5) is in sliding fit with the peripheral side surface of the guide sleeve (401);

a plurality of T-shaped grooves (4021) are arrayed on one surface of the cutter head (402); a gear ring meshed with the gear (301) is fixedly connected to the peripheral side surface of the cutter head (402);

the inner surface of the T-shaped channel (4021) is in sliding fit with a blade (403); the blade (403) is connected with a wedge block (405) through a connecting block (404);

an adjusting disc (501) is fixedly connected to the peripheral side surface of the sliding sleeve (5); one surface of the adjusting disc (501) is provided with a notch (5011) matched with the wedge block (405); the outer surface of the adjusting disc (501) is in sliding fit with a shifting block (502).

2. The hand-held pipe cutting device according to claim 1, wherein a surface of the press block (204) is configured as a circular arc.

3. A hand-held pipe cutting apparatus as claimed in claim 1, wherein the T-shaped channel (4021) is provided with a blind bore (4022) on an inner side.

4. The hand-held pipe cutting device according to claim 1, wherein a guide post (4041) is fixedly connected to one surface of the connecting block (404); the peripheral side surface of the guide post (4041) is in clearance fit with a second elastic piece; one end of the second elastic piece is fixedly connected with the inner surface of the blind hole (4022).

5. The hand-held pipe cutting device according to claim 1, wherein the dial block (502) is provided with a groove channel (5021) on one surface, and the groove channel is matched with the peripheral side surface of the adjusting disc (501); one side surface of the shifting block (502) is fixedly connected with a shifting lever (503);

the peripheral side surface of the deflector rod (503) is in sliding fit with the inner surface of the through hole (102); and a third elastic piece (504) is in clearance fit with the peripheral side surface of the shifting lever (503).