CN114131477B

CN114131477B - Steel heat-insulation fireproof door angle polishing machine capable of continuously polishing round corners

Info

Publication number: CN114131477B
Application number: CN202111041353.2A
Authority: CN
Inventors: 陈界
Original assignee: Chongqing Yangtian Civil Air Defense Engineering Equipment Co ltd
Current assignee: Chongqing Yangtian Civil Air Defense Engineering Equipment Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-11-22
Anticipated expiration: 2041-09-06
Also published as: CN114131477A

Abstract

The invention discloses a steel heat-insulation fireproof door angle polishing machine capable of continuously polishing a fillet, which comprises an angle mill body and a grinding wheel, wherein a connecting cover is fixed at the upper end of the angle mill body through threads, connecting columns which are integrally formed are arranged in the middle positions of the left side and the right side of the connecting cover, the angle mill body is installed in an installation groove of a supporting seat through the two connecting columns, the right side connecting column extends out of the right side of the supporting seat and is connected with an angle adjusting mechanism, a protective shell is covered on the outer side of the angle adjusting mechanism, a first angle limiting groove is formed in the protective shell, an adjusting handle is arranged on the angle adjusting mechanism, the adjusting handle rotates along the first angle limiting groove on the outer side of the protective shell, a rotating nail is installed at the position, at the adjusting handle, of the rear side of the supporting seat, a supporting nail is inserted into the side of the rotating nail, the supporting nail extends to the lower part of the adjusting handle for limiting, and a handle is fixed in the middle of the lower end of the supporting seat; according to the angle grinder, the angle of the angle grinder body is adjusted through the angle adjusting mechanism driven by the gear, so that 90-degree rotation of a grinding surface above the grinding wheel is realized, and fillet grinding is facilitated.

Description

Steel heat-insulation fireproof door angle polishing machine capable of continuously polishing round corners

Technical Field

The invention belongs to the technical field of angle grinding equipment, and particularly relates to an angle grinder for a steel heat-insulation fireproof door, which can continuously grind round corners.

Background

An angle grinder, also called as a grinder or a disc grinder, is a grinding tool for cutting and grinding glass fiber reinforced plastics. The angle grinder is a portable electric tool for cutting and grinding glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal and stone materials.

And because the thermal-insulated fire door wall thickness of steel, the door body is very heavy, the fillet of polishing temporarily when being used for preventing fire door installation and use especially, large-scale special angle mill of preventing fire door is inconvenient to carry and transports, and what the workman conventionally carried with is the portable angle mill that the conventionality is used for cutting and polishes, but this kind of angle mill when polishing the fillet, can not the angle regulation and control, be difficult to confirm the angle of polishing, can only rotate through the wrist and adjust, but can't rotate repeatedly and continuously polish, consequently need one kind can carry out the thermal-insulated fire door angle grinder of steel who polishes in succession to the fillet.

Disclosure of Invention

In view of the problems raised by the background art, the technical scheme adopted by the invention is as follows:

the utility model provides a can carry out thermal-insulated fire door angle grinder that prevents that fires of steel that polishes in succession to fillet, includes angle mill body and emery wheel, emery wheel movable mounting is on angle mill body top output shaft, angle mill body upper end thread tightening has the connecting cover, the connecting cover left and right sides intermediate position has integrated into one piece's spliced pole, the angle mill body is installed in the mounting groove of supporting seat through two spliced poles, two the spliced pole is all through axle sleeve movable mounting in the mounting groove, the right side the spliced pole stretches out the supporting seat right side and is connected with angle adjusting mechanism, the angle adjusting mechanism outside is covered with the protective housing, it has first angle spacing groove to open on the protective housing, the last regulation handle that is equipped with of angle adjusting mechanism, the regulation handle rotates along first angle spacing groove in the protective housing outside, the supporting seat rear side is located regulation handle department screw thread and installs the spin nail, the spin nail side ann has been inserted the support nail, the support nail extends to adjust the handle below and carries on spacingly, be fixed with the handle in the middle of supporting seat lower extreme.

Preferably, the mounting groove left side is run through to open there is the second angle spacing groove, the connecting cover left side is equipped with integrated into one piece's the post of inserting, it installs at second angle spacing inslot rotation to insert the post, it is located left side spliced pole below to insert the post.

Preferably, the angle adjusting mechanism comprises a driving gear, a driven gear and a driving shaft, the driving gear is movably mounted on the right side of the supporting seat through the driving shaft, the driven gear is mounted on a connecting column on the right side, the driving gear and the driven gear are meshed to drive the angle grinder body to rotate, and the adjusting handle penetrates through the first angle limiting groove and is fixed to the edge of the right side of the driving gear.

The preferred, first angle spacing groove and second angle spacing groove are the circular arc waist groove of quarter, the axial lead of first angle spacing groove and the axial lead collineation of driving shaft, the regulation handle rotates along first angle spacing groove, drives the angle mill body and uses the spliced pole to be 90 within range rotations as rotation center, the axial lead of second angle spacing groove and the axial lead collineation of left spliced pole, it uses the left side spliced pole to be 90 rotation of scope as rotation center at second angle spacing inslot to insert the post.

Preferably, an angle dial is installed on the outer side of the protective shell and connected to the connecting column on the right side.

Preferably, the bottom of the handle is also provided with a supporting bottom plate.

Preferably, the rear side of the push rod of the adjusting handle is axially provided with a push surface, and an anti-skid layer is paved on the push surface.

Preferably, the supporting seat is provided with semicircular structures on the side walls of the left side and the right side of the mounting groove.

By adopting the technical scheme of the invention, the following beneficial effects are obtained:

1. the angle grinder realizes the rotation of the angle grinder body and the grinding wheel through the gear-driven angle adjusting mechanism, is convenient for installing a fireproof door to be adjusted to carry out on-site fillet grinding, can be conveniently carried by workers, is also convenient for grinding at different angles, meets the requirement of 90-degree grinding and adjusting of fillets, has high precision and strong stability of gear transmission, is suitable for manually controlling the adjustment of the angles, and realizes stable and continuous grinding;

2. the angle grinder is provided with a first angle limiting groove which is matched with an adjusting handle for use, when the angle grinder rotates forwards, a push rod is pushed, the adjusting handle drives a driving gear to rotate anticlockwise, a driven gear drives a angle grinder body to rotate clockwise, when the angle grinder is reset, the push rod is buckled to rotate backwards, the adjusting handle drives the driving gear to rotate clockwise, and the driven gear drives the angle grinder body to rotate anticlockwise and reset; the second angle limiting groove is used for matching with the rotation and the guide of the angle grinder body, so that the stability is higher when the angle grinder body drives the grinding wheel to steer;

3. the angle dial is also arranged and directly connected to the angle adjusting mechanism, so that the angle adjustment of the grinding wheel can be conveniently observed, and the angle of the grinding wheel can be conveniently switched according to the angle requirement.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a supporting base according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of an angle grinder body according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of an angle adjustment mechanism according to an embodiment of the present invention;

the embodiments of the present invention mainly include the following reference symbols:

the angle grinder comprises an angle grinder body-1, a grinding wheel-101, a connecting cover-2, a connecting column-201, an inserting column-202, a supporting seat-3, a mounting groove-301, a shaft sleeve-302, a second angle limiting groove-303, an angle adjusting mechanism-4, a driving shaft-401, a driving gear-402, a driven gear-403, an adjusting handle-404, a push rod-405, a push surface-406, an anti-slip layer-407, a protective shell-5, a first angle limiting groove-501, a rotating nail-6, a supporting nail-601, an angle dial-7, a handle-8 and a supporting base plate-801.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1 and 3, a can carry out heat-insulating fire door angle grinder that prevents to fillet continuous polishing, including angle grinder body 1 and emery wheel 101, emery wheel 101 movable mounting is on the output shaft of 1 top of angle grinder body, 1 upper end screw thread of angle grinder body is fixed with connecting cover 2, connecting cover 2 left and right sides intermediate position has integrated into one piece's spliced pole 201, angle grinder body 1 is installed in the mounting groove 301 of supporting seat 3 through two spliced poles 201, two spliced pole 201 all through axle sleeve 302 movable mounting in mounting groove 301, the right side spliced pole 201 stretches out supporting seat 3 right side and is connected with angle adjustment mechanism 4, the 4 outside of angle adjustment mechanism is covered with protective housing 5, it has first angle spacing groove 501 to open on protective housing 5, be equipped with regulation handle 404 on angle adjustment mechanism 4, regulation handle 404 rotates along first angle spacing groove 501 in the protective housing 5 outside, the supporting seat 3 rear side is located regulation handle 404 department screw thread and is installed swivel pin 6, the support pin 601 has been inserted to the side, the support pin 404 extends to adjust the handle 601 below and carries out the intermediate end 8.

The angle grinder realizes the rotation of the angle grinder body 1 and the grinding wheel 101 through the gear-driven angle adjusting mechanism 4, is convenient for installing a fireproof door to be adjusted to carry out on-site fillet grinding, can be conveniently carried by workers, is also convenient for grinding at different angles, meets the requirement of 90-degree grinding and adjusting of fillets, has high precision and strong stability in gear transmission, is suitable for manually controlling the adjustment of the angles, and realizes stable and continuous grinding.

As shown in fig. 2, a second angle limiting groove 303 is formed in the left side of the mounting groove 301 in a penetrating manner, an integrally formed insertion column 202 is arranged on the left side of the connecting cover 2, the insertion column 202 is rotatably mounted in the second angle limiting groove 303, and the insertion column 202 is located below the left connecting column 201.

As shown in fig. 4, the angle adjusting mechanism 4 includes a driving gear 402, a driven gear 403 and a driving shaft 401, the driving gear 402 is movably mounted on the right side of the supporting seat 3 through the driving shaft 401, the driven gear 403 is mounted on the connecting column 201 on the right side, the driving gear 402 and the driven gear 403 are engaged to drive the angle grinder body 1 to rotate, and the adjusting handle 404 passes through the first angle limiting groove 501 and is fixed at the right edge of the driving gear 402.

First angle spacing groove 501 and second angle spacing groove 303 are the circular arc waist groove of quarter, the axial lead of first angle spacing groove 501 and the axial lead collineation of driving shaft 401, regulation handle 404 rotates along first angle spacing groove 501, drives angle mill body 1 and uses spliced pole 201 to be 90 rotation within ranges for the rotation center, the axial lead of second angle spacing groove 303 and the axial lead collineation of left spliced pole 201, it uses left side spliced pole 201 to be 90 rotation of scope as the rotation center in second angle spacing groove 303 to insert post 202.

The angle grinder is provided with a first angle limiting groove 501, the first angle limiting groove is used in cooperation with an adjusting handle 404, a push rod 405 is pushed when the angle grinder is rotated forwards, the adjusting handle 404 drives a driving gear 402 to rotate anticlockwise, a driven gear 403 drives an angle grinder body 1 to rotate clockwise, the push rod 405 is buckled to rotate backwards when the angle grinder is reset, the adjusting handle 404 drives the driving gear 402 to rotate clockwise, and the driven gear 403 drives the angle grinder body 1 to rotate anticlockwise and reset; set up second angle spacing groove 303 and be used for cooperating the rotation and the direction of angle mill body 1, stability is higher when making angle mill body 1 drive emery wheel 101 turn to.

The angle dial 7 is mounted on the outer side of the protective shell 5, the angle dial 7 is connected to the connecting column 201 on the right side, the angle dial 7 is further arranged and directly connected to the angle adjusting mechanism 4, adjustment of the angle of the grinding wheel 101 can be observed conveniently, and the angle of the grinding wheel 101 can be switched conveniently according to angle requirements.

A supporting bottom plate 801 is further mounted at the bottom of the handle 8, temporary placement is facilitated when the use is suspended, and the grinding wheel 101 is prevented from being bent when the grinding wheel is placed upside down.

The rear side of the push rod 405 of the adjusting handle 404 is axially provided with a push surface 406, and an anti-slip layer 407 is paved on the push surface 406.

The supporting seat 3 is provided with semicircular structures on the side walls of the left side and the right side of the mounting groove 301, and the semicircular structures make things convenient for the grinding wheel 101 to move forward when rotating.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a can carry out thermal-insulated fire door angle grinder that prevents that steel that polishes in succession to fillet, includes angle mill body and emery wheel, emery wheel movable mounting is on angle mill body top output shaft, its characterized in that: the angle grinder is characterized in that a connecting cover is fixed at the upper end of the angle grinder body through threads, connecting columns which are integrally formed are arranged in the middle positions of the left side and the right side of the connecting cover, the angle grinder body is installed in an installation groove of a supporting seat through the two connecting columns, the two connecting columns are movably installed in the installation groove through a shaft sleeve, the right side of each connecting column extends out of the right side of the corresponding supporting seat and is connected with an angle adjusting mechanism, a protective shell is covered on the outer side of each angle adjusting mechanism, a first angle limiting groove is formed in each protective shell, an adjusting handle is arranged on each angle adjusting mechanism, the adjusting handle rotates along the first angle limiting groove on the outer side of each protective shell, a rotating nail is installed on the rear side of each supporting seat at the position of the corresponding adjusting handle through threads, a supporting nail is inserted into the side of each rotating nail, the supporting nails extend to the lower side of the adjusting handles to be limited, and a handle is fixed in the middle of the lower ends of the supporting seats; a second angle limiting groove penetrates through the left side of the mounting groove, an integrally formed inserting column is arranged on the left side of the connecting cover, the inserting column is mounted in the second angle limiting groove to rotate, and the inserting column is located below the left connecting column;

first angle spacing groove and second angle spacing groove are the circular arc waist groove of fourth, the axial lead of first angle spacing groove and the axial lead collineation of driving shaft, the adjustment handle rotates along first angle spacing groove, drives the angle mill body and uses the spliced pole to be 90 rotation within ranges for rotation center, the axial lead of second angle spacing groove and the axial lead collineation of left spliced pole, it uses the left side spliced pole to be 90 rotation of ranges as rotation center at second angle spacing inslot to insert the post.

2. The angle grinder for steel insulated fire doors capable of continuously grinding round corners as claimed in claim 1, wherein: the angle adjusting mechanism comprises a driving gear, a driven gear and a driving shaft, the driving gear is movably mounted on the right side of the supporting seat through the driving shaft, the driven gear is mounted on a connecting column on the right side, the driving gear and the driven gear are meshed to drive the angle grinder body to rotate, and the adjusting handle penetrates through the first angle limiting groove to be fixed at the edge of the right side of the driving gear.

3. The steel insulated fire door angle grinder capable of continuously grinding round corners according to claim 2, wherein: an angle dial is installed on the outer side of the protective shell and connected to the connecting column on the right side.

4. The angle grinder for steel insulated fire doors capable of continuously grinding round corners as claimed in claim 3, wherein: and a support bottom plate is also arranged at the bottom of the handle.

5. The angle grinder for steel insulated fire doors capable of continuously grinding round corners as claimed in claim 4, wherein: the rear side of the push rod of the adjusting handle is axially provided with a push surface, and an anti-skid layer is paved on the push surface.

6. The steel insulated fire door angle grinder capable of continuously grinding round corners according to claim 5, wherein: the supporting seat is provided with semicircular structures on the side walls of the left side and the right side of the mounting groove.