CN217224966U - Polisher convenient to change emery wheel - Google Patents

Abstract

The utility model relates to the technical field of a grinding machine, in particular to a grinding machine convenient for replacing a grinding wheel, which comprises a grinding machine and a grinding wheel, wherein a filter screen is arranged at the middle part of the upper end of the grinding machine, the left side and the right side of the filter screen are fixedly connected with fixed rods, and the fixed rods are connected with the grinding machine in a sliding way, in the utility model, a deflector rod is pressed backwards through a limiting rod, a supporting rod, the grinding wheel and an elastic spring, the rotating block is moved backwards under the action of a special-shaped block, the special-shaped block is separated from the rotating block, the limiting rod rotates through a limiting groove and a limiting block at the inner side of a supporting plate under the action of force, the elastic spring is extruded at the same time, the limiting rod is pushed forwards under the action of the elastic spring until the limiting block is separated from the limiting rod, the rotating block is taken out, the limiting rod is separated from the supporting rod, the rotating rod can rotate the rotating rod to take out the grinding wheel, change the emery wheel can, set up the emery wheel of being convenient for to change through the gag lever post, avoid the damage that the mounting screw appears.

Description

Polisher convenient to change emery wheel

Technical Field

The utility model relates to a polisher technical field specifically is a polisher convenient to change emery wheel.

Background

The key to the operation of the grinder, which is a hand-operated power tool for surface grinding, is to try to obtain the maximum polishing rate so as to remove the damaged layer generated during grinding as soon as possible, and to prevent the polished damaged layer from affecting the finally observed tissue, i.e., from causing a false tissue, the former requires the use of a relatively thick abrasive to ensure a relatively high polishing rate for removing the polished damaged layer, but the polished damaged layer is also relatively deep, and the latter requires the use of the finest material to make the polished damaged layer relatively shallow, but the polishing rate low.

Among the prior art, on the market under the condition of using the polisher for a long time, because of emery wheel wearing and tearing become blunt or the emery wheel damages, lose the polishing ability, need change it, current be through the fix with screw, during fixed appear easily with the fixed axle between the slip and with nut direct contact damage the emery wheel easily to the position of the inboard motor of polisher is because the thermovent is too big, inside easily gets into the dust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polisher convenient to change emery wheel to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a polisher convenient to change emery wheel, includes polisher and emery wheel, polisher upper end middle part is equipped with the filter screen, the equal fixedly connected with dead lever in the filter screen left and right sides, and dead lever and polisher sliding connection, the one end fixedly connected with fixed block of filter screen is kept away from to the dead lever, the inboard lower extreme screwed connection of polisher has the dwang, dwang upper end fixedly connected with bracing piece, the downside of polisher outside front end is rotated and is connected with the turning block, turning block rear end fixedly connected with gag lever post, the downside sliding connection of polisher outside rear end has the driving lever, and the driving lever runs through the polisher, driving lever rear end fixedly connected with dysmorphism piece, dysmorphism piece runs through the turning block, and dysmorphism piece and turning block sliding connection.

Preferably, the filter screen is made of a non-woven fabric plate, and the filter screen is connected to the grinding machine in a sliding mode.

Preferably, the upper end of the fixing block is spirally connected with a screw, the screw penetrates through the fixing block and the grinding machine, and the screw is spirally connected with the grinding machine.

Preferably, the inboard lower extreme rear side fixedly connected with backup pad of polisher, the inboard fixedly connected with elasticity spring of backup pad, and elasticity spring's the other end and gag lever post fixed connection.

Preferably, turning block and gag lever post run through the polisher, and the gag lever post all runs through bracing piece and backup pad, the equal sliding connection of gag lever post is inboard at bracing piece and polisher.

Preferably, the inboard left end fixedly connected with stopper of backup pad, the spacing groove has been seted up to gag lever post outside rear end, and the inner wall sliding connection of stopper and spacing groove.

Preferably, the upside at both ends all is 30 degrees contained angles settings with ground around the dysmorphism piece, and dysmorphism piece sliding connection is inboard at the polisher.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the gag lever post that sets up, the bracing piece, emery wheel and elastic spring, press the driving lever backward, the special-shaped piece breaks away from the contact with the turning block when moving the turning block backward under the effect of special-shaped piece, the gag lever post of doing all can be through spacing groove and stopper in the backup pad inboard, make the gag lever post take place to rotate, meanwhile elastic spring receives the extrusion, when the stopper breaks away from the gag lever post, under the effect of elastic spring, promote the gag lever post forward, the turning block takes out it, the gag lever post breaks away from the bracing piece, the dwang can be rotated, take out the emery wheel, it can to change the emery wheel, set up the emery wheel of being convenient for to change through the gag lever post, avoid the damage that the screw installation appears;

2. the utility model discloses in, through filter screen, dead lever, fixed block and the screw that sets up, for preventing dust to the inboard motor of polisher, at this moment, put the filter screen that the non-woven fabrics was made on the dead lever in the polisher upper end, fixed block, dead lever and filter screen and polisher contact this moment, fix the fixed block in the polisher through the screw, the filter screen prevents dust to the inboard motor of polisher, improves the life of polisher.

Drawings

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

fig. 2 is a schematic view of the structure of fig. 1 in a partial cross-section according to the present invention;

fig. 3 is a schematic view of the installation structure of the elastic spring of the present invention;

fig. 4 is a schematic structural diagram of a portion a of fig. 3 according to the present invention.

In the figure: 1-a grinding machine, 2-a filter screen, 3-a fixed rod, 4-a fixed block, 5-a screw, 6-a rotating rod, 7-a grinding wheel, 8-a supporting rod, 9-a supporting plate, 10-an elastic spring, 11-a rotating block, 12-a limiting rod, 13-a limiting groove, 14-a limiting block, 15-a deflector rod and 16-a special-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a grinding machine convenient for replacing a grinding wheel comprises a grinding machine 1 and a grinding wheel 7, wherein a filter screen 2 is arranged in the middle of the upper end of the grinding machine 1, fixing rods 3 are fixedly connected to the left side and the right side of the filter screen 2, and the fixed rod 3 is connected with the sander 1 in a sliding way, one end of the fixed rod 3 far away from the filter screen 2 is fixedly connected with a fixed block 4, the lower end of the inner side of the grinding machine 1 is spirally connected with a rotating rod 6, the upper end of the rotating rod 6 is fixedly connected with a supporting rod 8, a rotating block 11 is rotatably connected to the lower side of the front end of the outer side of the grinding machine 1, a limiting rod 12 is fixedly connected to the rear end of the rotating block 11, a shift lever 15 is slidably connected to the lower side of the front end of the outer side of the grinding machine 1, the deflector rod 15 penetrates through the grinding machine 1, the rear end of the deflector rod 15 is fixedly connected with a special-shaped block 16, the special-shaped block 16 penetrates through the rotating block 11, and the special-shaped block 16 is connected with the rotating block 11 in a sliding mode.

The filter screen 2 is made of a non-woven fabric plate, the filter screen 2 is connected to the polisher 1 in a sliding manner, the filter screen 2 made of the non-woven fabric prevents dust for a motor on the inner side of the polisher 1, a screw 5 is connected to the upper end of the fixing block 4 in a spiral manner, the screw 5 penetrates through the fixing block 4 and the polisher 1, the screw 5 is connected to the polisher 1 in a spiral manner, the fixing block 4 is fixed to the inner side of the polisher 1 through the screw 5, the filter screen 1 is fixed, a supporting plate 9 is fixedly connected to the rear side of the lower end of the inner side of the polisher 1, an elastic spring 10 is fixedly connected to the inner side of the supporting plate 9, the other end of the elastic spring 10 is fixedly connected to the limiting rod 12, the limiting rod 12 is fixed and supported through the supporting plate 9, the rotating block 11 and the limiting rod 12 penetrate through the polisher 1, and the limiting rod 12 penetrates through the supporting rod 8 and the supporting plate 9, equal sliding connection of gag lever post 12 is inboard at bracing piece 8 and polisher 1, fixes bracing piece 8 in polisher 1 through turning block 11 and gag lever post 12, 9 inboard rear end fixedly connected with stoppers 14 of backup pad, spacing groove 13 has been seted up to gag lever post 12 outside rear end, and stopper 14 and spacing groove 13's inner wall sliding connection, can be with gag lever post 12 card in backup pad 9 through spacing groove 13 and stopper 14, the upside at both ends all is 30 degrees contained angles settings with ground around the dysmorphism piece 16, and dysmorphism piece 16 sliding connection is inboard at polisher 1, sets the state of slope into with dysmorphism piece 16 sufficient both ends, not only can block turning block 11 in polisher 1 inboard, still can promote turning block 11 rear end through the inclined plane.

The working process is as follows: the utility model is all through an external power supply, when the grinding wheel 7 needs to be replaced, the deflector rod 15 is manually pressed backwards, the turning block 11 is moved backwards under the action of the inclined special-shaped block 16, the special-shaped block 16 is separated from the turning block 11, the limiting rod 12 passes through the limiting groove 13 and the limiting block 14 on the inner side of the supporting plate 9, so that the limiting rod 12 rotates, meanwhile, the elastic spring 10 is extruded until the limiting block 14 is separated from the limiting rod 12, the limiting rod 12 is pushed forwards under the action of the elastic spring 10, the limiting rod 12 is pushed out of the grinding machine 1 by one section, the turning block 11 can be manually contacted to draw out the limiting rod 12, the limiting rod 12 is separated from the supporting rod 8, the turning rod 6 can be rotated, the grinding wheel 7 can be taken out, the grinding wheel 7 can be replaced, the motor on the inner side of the grinding machine 1 can be dustproof, at the moment, a filter screen 2 made of non-woven fabrics on the fixing rod 3 is placed at the upper end of the grinding machine 1, at this time, the fixed block 4, the fixing rod 3 and the filter screen 2 are in contact with the sander 1, the fixed block 4 is fixed in the sander 1 through the screw 5, and the filter screen 2 prevents dust for the motor inside the sander 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A grinding machine convenient for replacing a grinding wheel comprises a grinding machine (1) and a grinding wheel (7), and is characterized in that: polisher (1) upper end middle part is equipped with filter screen (2), the equal fixedly connected with dead lever (3) in filter screen (2) the left and right sides, and dead lever (3) and polisher (1) sliding connection, the one end fixedly connected with fixed block (4) of filter screen (2) are kept away from in dead lever (3), polisher (1) inboard lower extreme screwed connection has dwang (6), dwang (6) upper end fixedly connected with bracing piece (8), the downside of polisher (1) outside front end rotates and is connected with turning block (11), turning block (11) rear end fixedly connected with gag lever post (12), the downside sliding connection of polisher (1) outside front end has driving lever (15), and driving lever (15) runs through polisher (1), driving lever (15) rear end fixedly connected with dysmorphism piece (16), dysmorphism piece (11) run through turning block (16), and the special-shaped block (16) is connected with the rotating block (11) in a sliding way.

2. A grinder for facilitating the replacement of a grinding wheel, as claimed in claim 1, wherein: the filter screen (2) is made of a non-woven fabric plate, and the filter screen (2) is connected to the grinding machine (1) in a sliding mode.

3. A grinder for facilitating the replacement of a grinding wheel, as claimed in claim 1, wherein: fixed block (4) upper end screwed connection has screw (5), and screw (5) all run through fixed block (4) and polisher (1), screw (5) and polisher (1) screwed connection.

4. A grinder for facilitating the replacement of a grinding wheel, as claimed in claim 1, wherein: polisher (1) inboard lower extreme rear side fixedly connected with backup pad (9), backup pad (9) inboard fixedly connected with elastic spring (10), and the other end and gag lever post (12) fixed connection of elastic spring (10).

5. A sander for facilitating grinding wheel replacement according to claim 1, wherein: turning block (11) and gag lever post (12) run through polisher (1), and gag lever post (12) all run through bracing piece (8) and backup pad (9), equal sliding connection of gag lever post (12) is inboard at bracing piece (8) and polisher (1).

6. A sanding machine for facilitating wheel change in accordance with claim 4, characterized in that: the supporting plate is characterized in that a limiting block (14) is fixedly connected to the left end of the inner side of the supporting plate (9), a limiting groove (13) is formed in the rear end of the outer side of the limiting rod (12), and the limiting block (14) is connected with the inner wall of the limiting groove (13) in a sliding mode.

7. A grinder for facilitating the replacement of a grinding wheel, as claimed in claim 1, wherein: the upside at both ends all is 30 degrees contained angles settings with ground around dysmorphism piece (16), and dysmorphism piece (16) sliding connection is inboard at polisher (1).

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