CN219234889U

CN219234889U - Bottom plate fixing structure of sander

Info

Publication number: CN219234889U
Application number: CN202320286958.6U
Authority: CN
Inventors: 龚春梅; 龚春芸; 殷永明
Original assignee: Qingdao Jinshengjia Machinery Co ltd
Current assignee: Qingdao Jinshengjia Machinery Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-23
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses a bottom plate fixing structure of a sanding machine, which relates to the field of sanding machines and comprises a sanding machine handle, wherein a mounting seat is fixedly arranged at the bottom side of the sanding machine handle, a bottom plate is movably arranged at the bottom side of the mounting seat, an abrasive belt is movably arranged at the bottom side of the bottom plate, a fixed mounting strip is fixedly arranged at the top side of the bottom plate, a sliding positioning block is slidably arranged at the side surface of the fixed mounting strip, a movable connecting structure is arranged between the fixed mounting strip and the sliding positioning block, and a U-shaped sliding plate is slidably arranged at the top side of the fixed mounting strip. According to the utility model, through the arrangement of the sliding positioning block and the U-shaped sliding plate, the movable sliding positioning block is utilized to directly drive the positioning needle to puncture the abrasive belt, so that the connection between the abrasive belt and the sliding positioning block is enhanced, the situation that the abrasive belt falls off is avoided, the sliding positioning block is pressed to move by utilizing the sliding U-shaped sliding plate to drive the semicircular jacking block, the fixing effect is realized, the novel structure is not easily affected by vibration, and the normal use of the sander is ensured.

Description

Bottom plate fixing structure of sander

Technical Field

The utility model relates to the technical field of sanding machines, in particular to a bottom plate fixing structure of a sanding machine.

Background

Sanding machines, as their name suggests, are mechanical devices used in finishing sanding operations, and are widely used in the industry, but those skilled in the art generally call sanding machines with automatic feeding systems, other sanding machines, grinding machines, polishing machines, etc.

In the prior art, the bottom plate of grinder is mainly used for compressing the abrasive belt, guarantees that the abrasive belt fully contacts the mill face, because the abrasive belt belongs to the consumable, just needs the frequent change, and traditional spring clip formula structure receives the influence of vibrations easily and becomes flexible, and leads to the unexpected whereabouts of abrasive belt, influences the normal use of grinder, consequently needs a grinder bottom plate fixed knot construct to satisfy people's demand.

Disclosure of Invention

The utility model aims to provide a bottom plate fixing structure of a sanding machine, which solves the problem that the conventional spring clip type structure provided in the background art is easy to loosen due to the influence of vibration, so that abrasive belts accidentally drop off, and the normal use of the sanding machine is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a grinder bottom plate fixed knot constructs, includes the grinder handle, the bottom side fixed mounting of grinder handle has the mount pad, mount pad bottom side movable mounting has the bottom plate, the bottom side movable mounting of bottom plate has the abrasive band, the top side fixed mounting of bottom plate has the fixed mounting strip, the side slidable mounting of fixed mounting strip has the sliding block, installs swing joint structure between fixed mounting strip and the sliding block, the top side slidable mounting of fixed mounting strip has U type sliding plate, installs location structure on the U type sliding plate.

Preferably: and a positioning needle is fixedly arranged at the bottom side of the sliding positioning block and penetrates through the abrasive belt.

Preferably: the bottom side of the U-shaped sliding plate is fixedly provided with a semicircular ejector block, and the semicircular ejector block is contacted with the top end of the sliding positioning block.

Preferably: the movable connecting structure comprises a T-shaped sliding groove and a T-shaped sliding block, the T-shaped sliding groove is formed in one side, close to the sliding positioning block, of the fixed mounting strip, the T-shaped sliding block is slidably mounted in the T-shaped sliding groove, and the T-shaped sliding block is connected with the corresponding sliding positioning block.

Preferably: and the T-shaped sliding block is provided with a limiting rod in a sliding manner, both ends of the limiting rod are fixedly arranged on the inner wall of the T-shaped sliding groove, the limiting rod is movably sleeved with a reset spring, one end of the reset spring is fixedly arranged on the inner wall of the bottom side of the T-shaped sliding groove, and the other end of the reset spring is fixedly arranged on the bottom side of the T-shaped sliding block.

Preferably: the positioning structure comprises a positioning bolt, a knob and a positioning groove, wherein the positioning bolt is installed on the top side of the U-shaped sliding plate in a threaded mode, the knob is fixedly installed on the top end of the positioning bolt, the positioning groove is formed in the top side of the fixed installation strip, and the positioning bolt is inserted into the positioning groove.

Preferably: limiting sliding grooves are formed in two sides of the fixed mounting strip, limiting sliding strips are slidably mounted in the two limiting sliding grooves, and the two limiting sliding strips are fixedly mounted on inner walls of two sides of the U-shaped sliding plate respectively.

Preferably: the top side of the U-shaped sliding plate is fixedly provided with a handle, and the handle is sleeved with an anti-skid sleeve.

The beneficial effects of the utility model are as follows:

according to the utility model, through the arrangement of the sliding positioning block and the U-shaped sliding plate, the movable sliding positioning block is utilized to directly drive the positioning needle to puncture the abrasive belt, so that the connection between the abrasive belt and the sliding positioning block is enhanced, the situation that the abrasive belt falls off is avoided, the sliding positioning block is pressed to move by utilizing the sliding U-shaped sliding plate to drive the semicircular jacking block, the fixing effect is realized, the novel structure is not easily influenced by vibration, and the normal use of the sander is ensured.

According to the utility model, through the arrangement of the return spring, the design of the return spring is utilized, and after the position of the U-shaped sliding plate is moved, the sliding positioning block is rebounded to the original position through the return spring, so that the subsequent replacement and maintenance are convenient, and the operation is more convenient.

Drawings

Fig. 1 is a schematic perspective view of a bottom plate fixing structure of a sander according to the present utility model;

FIG. 2 is a schematic view of a part of a bottom plate fixing structure of a sander according to the present utility model;

FIG. 3 is a schematic diagram of the overall cross-sectional structure of a base plate fixing structure of a sander according to the present utility model;

fig. 4 is a schematic view of a part of a cross-sectional structure of a bottom plate fixing structure of a sander according to the present utility model.

In the figure: 100. a handle of the sander; 101. a mounting base; 102. a bottom plate; 103. abrasive belt; 200. fixing the mounting strip; 300. sliding the positioning block; 301. a positioning needle; 302. a T-shaped chute; 303. a T-shaped slider; 304. a limit rod; 305. a return spring; 400. a U-shaped sliding plate; 401. a semicircular top block; 402. limiting sliding grooves; 403. a limit slide bar; 404. positioning bolts; 405. a knob; 406. a positioning groove; 407. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, a sanding machine base plate fixing structure comprises a sanding machine handle 100, wherein a mounting seat 101 is fixedly arranged at the bottom side of the sanding machine handle 100, a base plate 102 is movably arranged at the bottom side of the mounting seat 101, an abrasive belt 103 is movably arranged at the bottom side of the base plate 102, a fixed mounting bar 200 is fixedly arranged at the top side of the base plate 102, a sliding positioning block 300 is slidably arranged at the side surface of the fixed mounting bar 200, a movable connecting structure is arranged between the fixed mounting bar 200 and the sliding positioning block 300, a U-shaped sliding plate 400 is slidably arranged at the top side of the fixed mounting bar 200, a positioning structure is arranged on the U-shaped sliding plate 400, when the abrasive belt 103 is replaced, a knob 405 is required to be rotated, a positioning bolt 404 is driven to rotate through the knob 405, so that the positioning bolt 404 is separated from a positioning groove 406, the fixation between the U-shaped sliding plate 400 and the fixed mounting bar 200 is released, the movable position of the U-shaped sliding plate 400 is driven by a handle 407, the movable U-shaped sliding plate 400 is limited by the limiting sliding groove 402 and the limiting sliding bar 403 and can only move on the same straight line, because the position of the U-shaped sliding plate 400 is changed, the compression of the semicircular jacking block 401 to the sliding positioning block 300 is relieved, the compressed limiting rod 304 can spring up at the moment, the T-shaped sliding block 303 is driven to move, the moving T-shaped sliding block 303 drives the sliding positioning block 300 to move, the movable sliding positioning block 300 is limited by the T-shaped sliding block 303 and the T-shaped sliding groove 302 and can only move in a fixed range, at the moment, the sliding positioning block 300 can carry the positioning needle 301 to be far away from the abrasive belt 103, the abrasive belt 103 can be replaced, otherwise, the installation can be carried out, the abrasive belt 103 can be punctured by directly driving the positioning needle 301 by utilizing the movable sliding positioning block 300, the connection between the abrasive belt 103 and the sliding positioning block 300 is enhanced, the situation that the abrasive belt 103 falls off is avoided, and utilize the U type sliding plate 400 drive semicircle kicking block 401 of slip to oppress the slip locating piece 300 and remove, realize fixed effect, new structure is difficult to receive the influence of vibrations, has guaranteed the normal use of grinder.

Further, a positioning needle 301 is fixedly mounted on the bottom side of the sliding positioning block 300, and the positioning needle 301 penetrates through the abrasive belt 103.

It should be noted that, by directly driving positioning needle 301 to puncture abrasive belt 103 by using movable sliding positioning block 300, connection between abrasive belt 103 and sliding positioning block 300 is reinforced, and the situation that abrasive belt 103 falls off is avoided.

Further, a semicircular top block 401 is fixedly installed at the bottom side of the U-shaped sliding plate 400, and the semicircular top block 401 is in contact with the top end of the sliding positioning block 300.

It should be noted that, the sliding U-shaped sliding plate 400 is utilized to drive the semicircular top block 401 to press the sliding positioning block 300 to move, so as to realize the fixing effect, and the new structure is not easily affected by vibration, thus ensuring the normal use of the sander.

Further, the movable connection structure comprises a T-shaped chute 302 and a T-shaped slide block 303, the T-shaped chute 302 is arranged on one side of the fixed installation strip 200 close to the sliding positioning block 300, the T-shaped slide block 303 is slidably installed in the T-shaped chute 302, and the T-shaped slide block 303 is connected with the corresponding sliding positioning block 300.

It should be noted that, because the position of the U-shaped sliding plate 400 is changed, the pressing of the semicircular top block 401 on the sliding positioning block 300 is relieved, the compressed limiting rod 304 is sprung up at this time, the T-shaped sliding block 303 is driven to move, the moving T-shaped sliding block 303 drives the sliding positioning block 300 to move, the movable sliding positioning block 300 is limited by the T-shaped sliding block 303 and the T-shaped sliding groove 302 and can only move in a fixed range, and at this time, the sliding positioning block 300 can carry the positioning needle 301 away from the abrasive belt 103, so that the abrasive belt 103 can be replaced.

Further, a limiting rod 304 is slidably mounted on the T-shaped sliding block 303, both ends of the limiting rod 304 are fixedly mounted on the inner wall of the T-shaped sliding groove 302, a return spring 305 is movably sleeved on the limiting rod 304, one end of the return spring 305 is fixedly mounted on the inner wall of the bottom side of the T-shaped sliding groove 302, and the other end of the return spring 305 is fixedly mounted on the bottom side of the T-shaped sliding block 303.

It should be noted that, the compressed limiting rod 304 may spring up to drive the T-shaped slider 303 to move, the moving T-shaped slider 303 drives the sliding positioning block 300 to move, and the movable sliding positioning block 300 is limited by the T-shaped slider 303 and the T-shaped chute 302 and can only move within a fixed range.

Further, the positioning structure comprises a positioning bolt 404, a knob 405 and a positioning groove 406, wherein the positioning bolt 404 is arranged on the top side of the U-shaped sliding plate 400 in a threaded manner, the knob 405 is fixedly arranged on the top end of the positioning bolt 404, the positioning groove 406 is formed on the top side of the fixed mounting strip 200, and the positioning bolt 404 is inserted into the positioning groove 406.

It should be noted that, the knob 405 drives the positioning bolt 404 to rotate, so that the positioning bolt 404 is separated from the positioning slot 406, thereby releasing the fixation between the U-shaped sliding plate 400 and the fixed mounting bar 200.

Further, both sides of the fixed mounting bar 200 are provided with limiting sliding grooves 402, both limiting sliding bars 403 are slidably mounted in the two limiting sliding grooves 402, and the two limiting sliding bars 403 are respectively and fixedly mounted on the inner walls of both sides of the U-shaped sliding plate 400.

It should be noted that, the movable U-shaped sliding plate 400 is limited by the limiting sliding groove 402 and the limiting sliding bar 403, and can only move on the same straight line.

Further, a handle 407 is fixedly installed on the top side of the U-shaped sliding plate 400, and an anti-slip sleeve is sleeved on the handle 407, and the handle 407 is used to drive the U-shaped sliding plate 400 to move.

The working principle of the utility model is as follows:

when the abrasive belt 103 is replaced, the knob 405 needs to be rotated, the positioning bolt 404 is driven to rotate through the knob 405, so that the positioning bolt 404 is separated from the positioning groove 406, the fixing between the U-shaped sliding plate 400 and the fixed installation strip 200 is removed, the movable U-shaped sliding plate 400 is driven by the handle 407 to move, the movable U-shaped sliding plate 400 is limited by the limiting sliding groove 402 and the limiting sliding strip 403 and can only move on the same straight line, the semicircular ejector block 401 is removed from the pressing of the semicircular ejector block 300 due to the position change of the U-shaped sliding plate 400, the compressed limiting rod 304 can bounce to drive the T-shaped sliding block 303 to move, the moving T-shaped sliding block 303 drives the sliding positioning block 300 to move, the movable sliding positioning block 300 is limited by the T-shaped sliding block 303 and the T-shaped sliding groove 302 and can only move in a fixed range, the sliding positioning block 300 can be far away from the abrasive belt 103 at the moment, the abrasive belt 103 can be replaced, otherwise, the abrasive belt 103 can be directly driven by the movable sliding positioning block 300 to puncture the positioning needle 301, the abrasive belt 103 is connected with the sliding positioning block 300, the abrasive belt 103 is prevented from falling off, and the sliding of the abrasive belt 103 is prevented from being easily influenced by the sliding ejector block 401 due to the fact that the sliding ejector block 401 is driven by the sliding block 401 to move, and the novel sliding block structure is not influenced by the normal sliding structure.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a grinder bottom plate fixed knot constructs, includes grinder handle (100), the bottom side fixed mounting of grinder handle (100) has mount pad (101), its characterized in that: the installation seat is characterized in that a bottom plate (102) is movably arranged at the bottom side of the installation seat (101), an abrasive belt (103) is movably arranged at the bottom side of the bottom plate (102), a fixed installation strip (200) is fixedly arranged at the top side of the bottom plate (102), a sliding locating block (300) is slidably arranged on the side face of the fixed installation strip (200), a movable connection structure is arranged between the fixed installation strip (200) and the sliding locating block (300), a U-shaped sliding plate (400) is arranged at the top side of the fixed installation strip (200), and a locating structure is arranged on the U-shaped sliding plate (400).

2. The sanding machine base plate fixing structure according to claim 1, wherein: and a positioning needle (301) is fixedly arranged at the bottom side of the sliding positioning block (300), and the positioning needle (301) penetrates through the abrasive belt (103).

3. The sanding machine base plate fixing structure according to claim 1, wherein: the bottom side of the U-shaped sliding plate (400) is fixedly provided with a semicircular top block (401), and the semicircular top block (401) is contacted with the top end of the sliding positioning block (300).

4. The sanding machine base plate fixing structure according to claim 1, wherein: the movable connecting structure comprises a T-shaped sliding groove (302) and a T-shaped sliding block (303), wherein the T-shaped sliding groove (302) is formed in one side, close to the sliding positioning block (300), of the fixed mounting strip (200), the T-shaped sliding block (303) is slidably mounted in the T-shaped sliding groove (302), and the T-shaped sliding block (303) is connected with the corresponding sliding positioning block (300).

5. The sanding machine base plate fixing structure according to claim 4, wherein: and a limiting rod (304) is slidably arranged on the T-shaped sliding block (303), both ends of the limiting rod (304) are fixedly arranged on the inner wall of the T-shaped sliding groove (302), a return spring (305) is movably sleeved on the limiting rod (304), one end of the return spring (305) is fixedly arranged on the inner wall of the bottom side of the T-shaped sliding groove (302), and the other end of the return spring (305) is fixedly arranged on the bottom side of the T-shaped sliding block (303).

6. The sanding machine base plate fixing structure according to claim 1, wherein: the positioning structure comprises a positioning bolt (404), a knob (405) and a positioning groove (406), wherein the positioning bolt (404) is installed on the top side of the U-shaped sliding plate (400) in a threaded mode, the knob (405) is fixedly installed on the top end of the positioning bolt (404), the positioning groove (406) is formed in the top side of the fixed installation strip (200), and the positioning bolt (404) is inserted into the positioning groove (406).

7. The sanding machine base plate fixing structure according to claim 1, wherein: limiting sliding grooves (402) are formed in two sides of the fixed mounting strip (200), limiting sliding strips (403) are slidably mounted in the two limiting sliding grooves (402), and the two limiting sliding strips (403) are fixedly mounted on inner walls of two sides of the U-shaped sliding plate (400) respectively.

8. The sanding machine base plate fixing structure according to claim 1, wherein: the top side of the U-shaped sliding plate (400) is fixedly provided with a handle (407), and the handle (407) is sleeved with an anti-skid sleeve.