CN111420944B

CN111420944B - Rotary scraper machine

Info

Publication number: CN111420944B
Application number: CN202010278654.6A
Authority: CN
Inventors: 姜文彪; 王志坚; 袁惠祥; 周卫民
Original assignee: Zhejiang Lover Health Science and Technology Development Co Ltd
Current assignee: Zhejiang Lover Health Science and Technology Development Co Ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-04-13
Anticipated expiration: 2040-04-10
Also published as: CN111420944A

Abstract

The invention discloses a rotary scraper machine which comprises a machine body (1), wherein a rotating handle (17) is arranged on one side of the machine body (1), a first through hole (101) is formed in the upper part of the machine body (1), a driving wheel locking pull rod (2) is arranged in the first through hole (101), a positioning ring (3) is arranged on one side of the first through hole (101), a ratchet wheel directional locking handle (4) is arranged outside the positioning ring (3), an external threaded rod (402) is arranged on the lower part of the ratchet wheel directional locking handle (4), and the external threaded rod (402) is connected with one end of the driving wheel locking pull rod (2). The invention can effectively scrape the circumferential surface layer of the plastic pipe, the cutting is uniform, and the processing quality is good; in addition, the volume is small, and the carrying is convenient.

Description

Rotary scraper machine

Technical Field

The invention relates to the field of plastic pipe connection, in particular to a rotary scraper machine.

Background

The plastic pipes are often connected with each other in a bad fit condition, because the surfaces of the plastic pipes are easy to be polluted, scratched and the like in the processes of storage, transportation and the like, and the connection is unreliable in the installation process. In the current market, a tool for effectively and uniformly removing a pollution layer on the surface of a small-diameter plastic pipe does not exist, and equipment for removing the pollution layer at the joint of a large-diameter plastic pipe is available at present, but the equipment is only suitable for the large-diameter plastic pipe and is not suitable for the small-diameter plastic pipe; generally, for small-caliber pipes, a blade is mostly manually taken to remove a pollution layer, and the hand feeling and experience of people are all relied on in the aspects of grasping the cutting amount and the roundness, so that the processing quality is poor.

Disclosure of Invention

The invention aims to provide a rotary scraper machine. The invention can effectively scrape the circumferential surface layer of the plastic pipe, the cutting is uniform, and the processing quality is good; in addition, the volume is small, and the carrying is convenient.

The technical scheme of the invention is as follows: the rotary scraper comprises a scraper body, wherein a rotating handle is arranged on one side of the scraper body, a first through hole is formed in the upper portion of the scraper body, a driving wheel locking pull rod is arranged in the first through hole, a positioning ring is arranged on one side of the first through hole, a ratchet wheel directional locking handle is arranged outside the positioning ring, an external threaded rod is arranged on the lower portion of the ratchet wheel directional locking handle and connected with one end of the driving wheel locking pull rod; a driving wheel seat is arranged on the machine body and at the other end of the first through hole, a round cavity is arranged on the driving wheel seat and communicated with the first through hole, and the end part of the driving wheel locking pull rod is arranged in the round cavity; a shaft hole is arranged in the main wheel seat in the vertical direction of the round cavity, the shaft hole is communicated with the round cavity, a driving wheel shaft penetrates through the shaft hole, the driving wheel shaft penetrates through the driving wheel locking pull rod, and driving rollers are arranged at two end parts of the driving wheel shaft; a cutter bar cavity is arranged on the machine body, a cutter bar is arranged in the cutter bar cavity, a blade is arranged at the front end part of the cutter bar, and an adjusting screw rod is arranged at the tail end of the cutter bar; one end of the cutter bar cavity is provided with a cutter bar cover plate, and a cutter bar adjusting nut meshed with the adjusting screw rod is arranged in the cutter bar cover plate; the machine body is also internally provided with a long through hole, a driving guide adjusting screw rod is arranged in the long through hole, one end of the long through hole is provided with a limiting nut, an adjusting hand wheel is arranged outside the limiting nut, a threaded pipe is arranged inside the adjusting hand wheel, the threaded pipe extends into the long through hole and is meshed with the driving guide adjusting screw rod, and the middle part of the driving guide adjusting screw rod is provided with a driving guide sleeve; a driven pulley support is arranged at the other end of the active guide adjusting screw rod, and a driven pulley block is arranged on the driven pulley support; and a driven guide sleeve is arranged on the other side of the machine body relative to the long through hole, a driven guide pillar is arranged in the driven guide sleeve, and one end of the driven guide pillar is connected with a driven pulley support.

In the above rotary scraper machine, the blade is a detachable blade.

In the rotary scraper machine, the outer circle surface of the driving roller is provided with straight knurls, the driving roller is internally provided with a bearing, and the bearing is sleeved on the driving wheel shaft.

In the rotary scraper machine, the driven pulley blocks are symmetrically arranged on two sides of the driven pulley support.

In the rotary scraper machine, the driven pulley block comprises 4 driven pulleys symmetrically arranged on two sides of the driven pulley support, and the 4 driven pulleys are arranged in an arc shape.

In the rotary scraper machine, the cutter bar cover plate is provided with the counter bore, the cutter bar adjusting nut is provided with the shaft shoulder, and the shaft shoulder is arranged in the counter bore.

In the above rotary doctor blade machine, the use method of the rotary doctor blade machine comprises: rotating an adjusting hand wheel according to the diameter of the pipe, and adjusting the distance between a driven pulley support and the machine body to enable the driven pulley block to tightly hold the pipe; and then, rotating the ratchet wheel directional locking handle according to the trend and speed requirements of the operation of scraping the surface of the pipe, rotating the ratchet wheel directional locking handle to enable the driving wheel locking pull rod to move outwards relative to the external threaded rod, so that the driving wheel seat and the machine body are loosened and not in a locking state, rotating the driving wheel seat at the moment, realizing steering adjustment of the driving roller wheel, further determining the feeding direction and angle, and moving along the axial direction of the pipe when the machine body rotates around the pipe, thereby effectively scraping the surface layer of the pipe.

Compared with the prior art, the invention has the following advantages:

1. a rotating handle is arranged on one side of a machine body, a first through hole is formed in the upper portion of the machine body, a driving wheel locking pull rod is arranged in the first through hole, a positioning ring is arranged on one side of the first through hole, a ratchet wheel directional locking handle is arranged outside the positioning ring, and an external threaded rod of the ratchet wheel directional locking handle is connected with one end of the driving wheel locking pull rod; a driving wheel seat is arranged on the machine body and at the other end of the first through hole, a driving wheel shaft penetrates through the driving wheel seat, the driving wheel shaft penetrates through a driving wheel locking pull rod, and driving rollers are arranged at two end parts of the driving wheel shaft; a cutter bar cavity is arranged on the machine body, a cutter bar is arranged in the cutter bar cavity, a blade is arranged at the front end part of the cutter bar, and an adjusting screw rod is arranged at the tail end of the cutter bar; one end of the cutter bar cavity is provided with a cutter bar cover plate, and a cutter bar adjusting nut meshed with the adjusting screw rod is arranged in the cutter bar cover plate; a long through hole is further formed in the machine body, a driving guide adjusting screw is arranged in the long through hole, a driven pulley support is arranged at the other end of the driving guide adjusting screw, and a driven pulley block is arranged on the driven pulley support; rotating an adjusting hand wheel according to the diameter of the pipe, and adjusting the distance between a driven pulley support and the machine body to enable the driven pulley support to tightly hold the pipe; then the ratchet wheel directional locking handle is rotated, the angle of the driving roller seat is adjusted according to the trend and the speed requirement of the operation of scraping the surface of the pipe, the ratchet wheel directional locking handle is rotated anticlockwise during adjustment, so that the driving wheel locking pull rod moves outwards relative to the external thread rod at the lower part of the ratchet wheel directional locking handle, when the handle collides with the machine body, the handle is lifted upwards to separate the upper ratchet wheel from the lower ratchet wheel, the handle is rotated backwards, if the handle is loosened, the upper ratchet wheel and the lower ratchet wheel are meshed when the handle falls down, at the moment, the handle can be continuously rotated anticlockwise, so that the driving roller seat is loosened with the machine body and is not in a locking state, at the moment, the driving roller seat can be rotated to realize the steering adjustment of the driving roller seat, namely, the included angle between the axis of the driving roller and the axis of the pipe is adjusted, the feeding direction and angle are determined, therefore, the polluted layer on the surface of the pipe is effectively scraped, the pipe is uniformly cut, and the processing quality is good.

2. According to the invention, the blade is arranged at the other end of the cutter bar and is detachable, and when the blade is used for many times, the cutting edge of the blade can be passivated, so that a pollution layer on the surface of a pipe cannot be effectively removed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a driving roller structure;

FIG. 3 is a schematic view of the tool holder;

FIG. 4 is a schematic view of a rotating screw structure;

FIG. 5 is a schematic view of a driven guide sleeve;

fig. 6 is a schematic structural view of the ratchet wheel directional locking handle.

Description of the reference symbols in the drawings: 1-body, 101-first through hole, 102-cutter bar cavity, 103-long through hole, 104-driven guide sleeve, 2-driving wheel locking pull rod, 3-locating ring, 4-ratchet wheel directional locking handle, 401-handle, 402-external thread rod, 403-slotted pan head screw, 5-driving wheel seat, 501-round cavity, 502-shaft hole, 6-driving wheel shaft, 7-driving roller, 701-bearing, 8-cutter bar, 801-cutter bar, 802-blade, 802-adjusting screw, 9-cutter bar adjusting nut, 901-shaft shoulder, 10-cutter bar cover plate, 120-counter bore, 11-driving guide adjusting screw, 12-adjusting hand wheel, 121-threaded pipe, 13-limiting nut, 14-driving guide sleeve, 15-driven pulley support, 151-driven pulley block, 152-driven pulley, 16-driven guide post and 17-rotating handle.

Detailed Description

The invention is further illustrated by the following figures and examples, but is not to be construed as being limited thereto.

Example (b): a rotary scraper is composed of a main body 1, a first through hole 101 arranged at the upper part of the main body 1, a driving wheel locking pull rod 2 arranged in the first through hole 101, a long-channel internal thread arranged in the driving wheel locking pull rod 2, a locating ring 3 arranged at one side of the first through hole 101, and a ratchet wheel directional locking handle 4 arranged outside the locating ring 3, as shown in FIG. 6, the ratchet wheel directional locking handle 4 comprises a handle 401, an external thread rod 402 arranged in the handle 401, a slotted pan head screw 403 connected with the external thread rod 402, a spring sleeved on the slotted pan head screw 403, the external thread rod 402 and the slotted pan head screw 403 in threaded connection, the external thread rod 402 screwed on the driving wheel locking pull rod 2, an upper ratchet wheel fixed in the handle 401, a lower ratchet wheel fixed at the upper end of the external thread rod 402, when the handle is lifted, the upper ratchet wheel is separated from the lower ratchet wheel, the handle 401 is separated from the external thread rod 402, the handle can be rotated at will. When the handle is loosened, the handle falls down under the action of the spring to enable the upper ratchet wheel to be meshed with the lower ratchet wheel, at the moment, the handle 401 and the external thread rod 402 are in a locking state, the external thread rod can be driven to rotate together by rotating the handle, and then the driving wheel locking pull rod is driven to move up and down to adjust the driving wheel seat to be in a locking state. A driving wheel seat 5 is arranged on the machine body 1 and at the other end of the first through hole 101, a circular cavity 501 is arranged on the driving wheel seat 5, the center of the circular cavity 501 is communicated with the first through hole 101, the center lines of the circular cavity and the first through hole are overlapped, and the end part of the driving wheel locking pull rod is arranged in the circular cavity; a shaft hole 502 is arranged in the main wheel seat and in the vertical direction of the round cavity 501, and the shaft hole is also communicated with the round cavity; a driving wheel shaft 6 penetrates through the shaft hole 502, and the driving wheel shaft 6 penetrates through the driving wheel locking pull rod 2. Two ends of the driving wheel shaft 6 are provided with driving rollers 7, as shown in fig. 2, the outer circle surface of the driving rollers 7 is provided with straight knurls, and the straight knurls are used for increasing friction force and facilitating feed along a pipe. The driving roller is matched with the driving wheel shaft through a bearing 701, so that the driving roller can rotate more flexibly. According to the trend and speed requirement of scraping the surface of the pipe, the angle of the driving roller is adjusted, the handle is rotated anticlockwise during adjustment, so that the locking screw rod of the driving roller moves outwards relative to the external thread rod at the lower part of the ratchet wheel directional locking handle (according to the trend of threads, the handle can also be rotated clockwise), when the handle rotates 180 degrees and collides with the machine body, the handle is lifted upwards, so that the upper ratchet wheel and the lower ratchet wheel are separated, the handle rotates 180 degrees backwards, if the upper ratchet wheel and the lower ratchet wheel are meshed after the handle is loosened, the handle can be rotated anticlockwise continuously, so that the driving wheel seat 5 and the machine body are loosened and are not in a locking state, the driving wheel seat can be rotated by 0-5 degrees, the steering adjustment of the driving roller is realized, namely, the included angle between the axis of the driving roller and the axis of the pipe is adjusted, the feeding direction and angle are further determined, when, but can move along the axial direction of the pipe, and the outer circumferential surface of the driving roller is also provided with knurls, so that the friction between the driving roller and the surface of the pipe can be increased when the driving roller moves axially, and the stability of feed is improved. When the direction adjustment of the driving roller is completed, the handle is rotated clockwise, so that the driving wheel locking pull rod moves inwards, the driving wheel seat is driven to be locked with the machine body, and the movement of the driving wheel seat and the driving roller is avoided. A rotating handle 17 is arranged on one side of the machine body 1, and when the device is used for feeding, the rotating handle is held by hands to rotate around a pipe, so that the rotary feeding of the device can be completed; in addition, the arrangement of the rotating handle is convenient for a user to stabilize the pipe, so that the pipe is prevented from shaking to a certain extent. As shown in fig. 3, the machine body 1 is provided with a cutter bar cavity 102, a cutter bar 8 is arranged in the cutter bar cavity 102, the machine body 1 is provided with the cutter bar cavity 102, a cutter bar 8 is arranged in the cutter bar cavity 102, the front end of the cutter bar 8 is provided with a blade 801, and the tail end of the cutter bar 8 is provided with an adjusting screw 802; a cutter bar cover plate 10 is arranged at one end of the cutter bar cavity 102, a cutter bar adjusting nut 9 meshed with the adjusting screw rod 802 is arranged in the cutter bar cover plate 10, the adjusting screw rod is driven to rotate by rotating the cutter bar adjusting nut, and the extending length of the cutter bar is further adjusted, so that the cutter blade can better touch the circumferential surface of the pipe, and a pollution layer on the surface of the pipe can be better removed; a counter bore 120 is arranged on the cutter bar cover plate 10, a shaft shoulder 901 is arranged on the cutter bar adjusting nut 9, and the shaft shoulder 901 is arranged in the counter bore 120; as shown in fig. 4, a long through hole 103 is further formed in the machine body 1, a driving guide adjusting screw 11 is arranged in the long through hole 103, a limit nut 13 is arranged at one end of the long through hole 103, an adjusting hand wheel 12 is arranged outside the limit nut 13, a threaded pipe 121 is arranged inside the adjusting hand wheel 12, the threaded pipe 121 extends into the long through hole 103 and is meshed with the driving guide adjusting screw 11, the adjusting hand wheel is rotated to drive the threaded pipe to rotate, so that the driving guide adjusting screw 11 is driven to extend out or retract in the long through hole, a driven pulley support 15 is connected to the end of the driving guide adjusting screw 11, so that the driven pulley support can be driven to move back and forth, the machine body is better suitable for pipes with different diameters, and a driving guide sleeve 14 is arranged in the middle of the driving guide; as shown in fig. 5, a driven pulley support 15 is arranged at the other end of the active guiding adjusting screw 11, and a driven pulley block 151 is arranged on the driven pulley support 15; the opposite side that is equipped with driven guide pin bushing 104 for the long through-hole 103 on the organism 1, be equipped with driven guide pillar 16 in the driven guide pin bushing 104, the one end of driven guide pillar 16 is connected with movable pulley support 15, driven assembly pulley 151 symmetry set up the both sides at driven pulley support 15, driven assembly pulley 151 including the symmetry set up 4 driven pulley 152 in driven pulley support 15 both sides, 4 driven pulley 152 are circular-arc setting, carry out circular-arc range setting through carrying on driven pulley and can be better hold tubular product tightly, provide better stability for getting rid of on tubular product surface pollution layer.

The working principle of the invention is as follows: rotating an adjusting hand wheel according to the diameter of the pipe, and adjusting the distance between a driven pulley support and the machine body to enable the driven pulley support to tightly hold the pipe; then the ratchet wheel directional locking handle is rotated, the angle of the driving roller is adjusted according to the trend and the speed requirement of the operation of scraping the surface of the pipe, the ratchet wheel directional locking handle is rotated anticlockwise during adjustment, so that the driving wheel locking pull rod moves outwards relative to the external thread rod at the lower part of the ratchet wheel directional locking handle, when the handle collides with the machine body, the handle is lifted upwards to separate the upper ratchet wheel from the lower ratchet wheel, the handle is rotated backwards, if the handle is loosened, the upper ratchet wheel and the lower ratchet wheel are meshed when the handle falls down, at the moment, the handle can be continuously rotated anticlockwise, so that the driving wheel seat is loosened with the machine body and is not in a locking state, at the moment, the driving wheel seat can be rotated to realize the steering adjustment of the driving roller, namely, the included angle between the axis of the driving roller and the axis of the pipe is adjusted, the feeding direction and angle are further, thereby effectively scraping off the pollution layer on the surface of the pipe.

Claims

1. Rotatory scraper machine, its characterized in that: the ratchet wheel directional locking device comprises a machine body (1), wherein a rotating handle (17) is arranged on one side of the machine body (1), a first through hole (101) is formed in the upper portion of the machine body (1), a driving wheel locking pull rod (2) is arranged in the first through hole (101), a positioning ring (3) is arranged on one side of the first through hole (101), a ratchet wheel directional locking handle (4) is arranged outside the positioning ring (3), an external threaded rod (402) is arranged on the lower portion of the ratchet wheel directional locking handle (4), and the external threaded rod (402) is connected with an internal thread at one end of the driving wheel locking pull rod (2); a driving wheel seat (5) is arranged on the machine body (1) and at the other end of the first through hole (101), a circular cavity (501) is arranged on the driving wheel seat (5), the circular cavity (501) is communicated with the first through hole (101), and the end part of the driving wheel locking pull rod (2) is arranged in the circular cavity (501); a shaft hole (502) is formed in the main wheel seat (5) in the vertical direction of the circular cavity (501), the shaft hole (502) is communicated with the circular cavity (501), a driving wheel shaft (6) penetrates through the shaft hole (502), the driving wheel shaft (6) penetrates through the driving wheel locking pull rod (2), and driving rollers (7) are arranged at two end parts of the driving wheel shaft (6); a cutter bar cavity (102) is formed in the machine body (1), a cutter bar (8) is arranged in the cutter bar cavity (102), a blade (801) is arranged at the front end of the cutter bar (8), and an adjusting screw (802) is arranged at the tail end of the cutter bar (8); a cutter bar cover plate (10) is arranged at one end of the cutter bar cavity (102), and a cutter bar adjusting nut (9) meshed with the adjusting screw rod (802) is arranged in the cutter bar cover plate (10); a long through hole (103) is further formed in the machine body (1), a driving guide adjusting screw rod (11) is arranged in the long through hole (103), a limiting nut (13) is arranged at one end of the long through hole (103), an adjusting hand wheel (12) is arranged outside the limiting nut (13), a threaded pipe (121) is arranged inside the adjusting hand wheel (12), the threaded pipe (121) extends into the long through hole (103) and is meshed with the driving guide adjusting screw rod (11), and a driving guide sleeve (14) is arranged in the middle of the driving guide adjusting screw rod (11); a driven pulley support (15) is arranged at the other end of the active guide adjusting screw (11), and a driven pulley block (151) is arranged on the driven pulley support (15); the other side of the machine body (1) opposite to the long through hole (103) is provided with a driven guide sleeve (104), a driven guide post (16) is arranged in the driven guide sleeve (104), and one end of the driven guide post (16) is connected with a driven pulley support (15).

2. The rotary doctor blade machine as claimed in claim 1, wherein: the blade (801) is a detachable blade.

3. The rotary doctor blade machine as claimed in claim 1, wherein: the outer circle surface of the driving roller (7) is provided with straight knurls, a bearing (701) is arranged in the driving roller (7), and the bearing (701) is sleeved on the driving wheel shaft (6).

4. The rotary doctor blade machine as claimed in claim 1, wherein: the driven pulley blocks (151) are symmetrically arranged on two sides of the driven pulley support (15).

5. The rotary doctor blade machine as claimed in claim 1, wherein: the driven pulley block (151) comprises 4 driven pulleys (152) symmetrically arranged on two sides of the driven pulley support (15), and the 4 driven pulleys (152) are arranged in an arc shape.

6. The rotary doctor blade machine as claimed in claim 1, wherein: the cutter bar cover plate (10) is provided with a counter bore (120), the cutter bar adjusting nut (9) is provided with a shaft shoulder (901), and the shaft shoulder (901) is arranged in the counter bore (120).

7. Use of a rotary doctor blade machine according to any one of claims 1-6: rotating an adjusting hand wheel according to the diameter of the pipe, and adjusting the distance between a driven pulley support and the machine body to enable the driven pulley block to tightly hold the pipe; and then, rotating the ratchet wheel directional locking handle according to the trend and speed requirements of the operation of scraping the surface of the pipe, rotating the ratchet wheel directional locking handle to enable the driving wheel locking pull rod to move outwards relative to the external threaded rod, so that the driving wheel seat and the machine body are loosened and not in a locking state, rotating the driving wheel seat at the moment, realizing steering adjustment of the driving roller wheel, further determining the feeding direction and angle, and moving along the axial direction of the pipe when the machine body rotates around the pipe, thereby effectively scraping the surface layer of the pipe.