CN213004457U

CN213004457U - Combined grinding wheel device

Info

Publication number: CN213004457U
Application number: CN202021352475.4U
Authority: CN
Inventors: 胡战委
Original assignee: Zhengzhou Sharp Abrasives Co ltd
Current assignee: Zhengzhou Sharp Abrasives Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-04-20
Anticipated expiration: 2030-07-10

Abstract

The utility model belongs to the technical field of the abrasive machine, especially, modular grinding wheel device to current hand-held type abrasive machine when dismantling the change to the emery wheel, most all utilize the bolt fastening fixed, and long-time use leads to the bolt to appear becoming flexible easily, leads to the emery wheel to polish the problem that goes wrong, now proposes following scheme, and it includes the casing, fixed mounting has the motor on the top inner wall of casing, fixed mounting has the commentaries on classics board on the output shaft of motor, and the bottom fixed mounting who changes the board has the pivot, and the outside sliding connection of pivot has the push pedal, the bottom of pivot is equipped with the emery wheel, and the inboard fixed mounting of emery wheel has the change, change and pivot swing joint, ring channel has been seted up to the inboard of change, and the equal sliding connection in both sides of pivot has the toper slider. The utility model is simple in operation, convenient to use can be more swift convenient stable dismantles the change to the emery wheel, makes things convenient for people to use.

Description

Combined grinding wheel device

Technical Field

The utility model relates to a grinder technical field especially relates to a modular grinding wheel device.

Background

The grinder is a common device used for sharpening various cutters and tools, and is also used for grinding, deburring, cleaning and the like of common small parts. It is mainly composed of base, grinding wheel, motor or other power source, bracket, protective cover and water feeder. It can be divided into a hand-held grinder, a vertical grinder, a suspended grinder, a bench grinder, etc.

When the grinding wheel is detached and replaced by the conventional handheld grinding machine, the conventional handheld grinding machine is mostly fixed by using bolts, and the bolts are easy to loosen due to long-time use, so that the grinding wheel is polished to cause problems, and therefore, the combined grinding wheel device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current hand-held type abrasive machine and dismantling when changing the emery wheel, most all utilize the bolt fastening fixed, and long-time use leads to the bolt to appear becoming flexible easily, leads to the emery wheel to polish the shortcoming that goes wrong, and the modular grinding wheel device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a combined grinding wheel device, includes the casing, fixed mounting has the motor on the top inner wall of casing, fixed mounting has the commentaries on classics board on the output shaft of motor, and the bottom fixed mounting who changes the board has the pivot, and the outside sliding connection of pivot has the push pedal, the bottom of pivot is equipped with the emery wheel, and the inboard fixed mounting of emery wheel has the change, change and pivot swing joint, ring slot has been seted up to the inboard of change, and the equal sliding connection in both sides of pivot has the toper slider, and two toper sliders all with ring slot sliding connection, the bottom sliding connection of pivot has the ejector pin that two symmetries set up, and the bottom fixed mounting of two ejector pins has same roof.

Preferably, the top of the push plate is fixedly provided with a supporting spring, the top end of the supporting spring is fixedly connected with the rotating plate, and the supporting spring can support and position the push plate.

Preferably, the bottom fixed mounting of push pedal has the dead lever that two symmetries set up, and the top of swivel is the annular and has seted up a plurality of fixed slots, and the dead lever cooperatees with the fixed slot, and the dead lever can fix a position the swivel with clamping of fixed slot.

Preferably, the constant head tank has all been seted up to the both sides of pivot, constant head tank and toper slider sliding connection, and equal fixed mounting has reset spring on the one side inner wall that two constant head tanks are close to each other, reset spring's one end and the toper slider fixed connection that corresponds, and reset spring can support and reset toper slider for toper slider can be in ring groove all the time.

Preferably, the through-hole has been seted up at the top of toper slider, through-hole and corresponding ejector pin sliding connection, and one side inner wall of through-hole is the wedge setting, and the wedge groove has been seted up to one side of ejector pin, and the wedge groove cooperatees with the wedge of through-hole, and the ejector pin that removes can drive the toper slider through the wedge cooperation in wedge groove and the through-hole.

Compared with the prior art, the utility model has the advantages of:

(1) according to the scheme, the conical sliding block and the annular clamping groove are arranged to be clamped with each other, so that the grinding wheel can be positioned at the longitudinal position when being installed, and meanwhile, the fixing groove and the fixing rod can be clamped with each other under the action of the supporting spring, so that the transverse position of the grinding wheel is fixed, and the grinding wheel is positioned;

(2) because reset spring's effect for the toper slider can support the toper slider all the time under the circumstances of not atress, makes toper slider and ring groove clamp, simultaneously because the effect of wedge face in wedge groove and the through-hole, makes to remove the ejector pin and can drive the toper slider and break away from clamping ring groove, and then conveniently dismantles.

The utility model is simple in operation, convenient to use can be more swift convenient stable dismantles the change to the emery wheel, makes things convenient for people to use.

Drawings

Fig. 1 is a schematic structural view of a combined grinding wheel device provided by the present invention;

fig. 2 is a schematic cross-sectional structure view of a conical slide block of a combined grinding wheel device provided by the present invention;

fig. 3 is a schematic diagram of a cross-sectional structure of a grinding wheel of the combined grinding wheel device provided by the present invention;

fig. 4 is a schematic structural diagram of a part a of a combined grinding wheel device provided by the present invention.

In the figure: the grinding machine comprises a machine shell 1, a motor 2, a rotating plate 3, a rotating shaft 4, a pushing plate 5, a supporting spring 6, a fixing rod 7, a rotating ring 8, a grinding wheel 9, a positioning groove 10, a conical sliding block 11, a ring-shaped clamping groove 12, a return spring 13, a push rod 14, a wedge-shaped groove 15, a through hole 16, a top plate 17 and a fixing groove 18.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, a combined grinding wheel device, including casing 1, fixed mounting has motor 2 on the top inner wall of casing 1, fixed mounting has commentaries on classics board 3 on the output shaft of motor 2, the bottom fixed mounting of commentaries on classics board 3 has pivot 4, the outside sliding connection of pivot 4 has push pedal 5, the bottom of pivot 4 is equipped with emery wheel 9, the inboard fixed mounting of emery wheel 9 has change 8, change 8 and 4 swing joint of pivot, ring slot 12 has been seted up to change 8's inboard, the equal sliding connection in both sides of pivot 4 has toper slider 11, two toper sliders 11 all with ring slot 12 sliding connection, the bottom sliding connection of pivot 4 has ejector pin 14 that two symmetries set up, the bottom fixed mounting of two ejector pins 14 has same roof 17.

In this embodiment, the top of the push plate 5 is fixedly provided with a supporting spring 6, and the top end of the supporting spring 6 is fixedly connected with the rotating plate 3.

In this embodiment, the bottom fixed mounting of push pedal 5 has two dead levers 7 that the symmetry set up, and the top of swivel 8 is the annular and has seted up a plurality of fixed slots 18, and dead lever 7 cooperatees with fixed slot 18.

In this embodiment, constant head tank 10 has all been seted up to the both sides of pivot 4,

constant head tank

10 and 11 sliding connection of toper slider, and equal fixed mounting has reset spring 13 on the one side inner wall that two constant head tanks 10 are close to each other, reset spring 13's one end and the 11 fixed connection of toper slider that correspond.

In this embodiment, a through hole 16 is formed at the top of the tapered slider 11, the through hole 16 is slidably connected to the corresponding ejector rod 14, an inner wall of one side of the through hole 16 is a wedge-shaped surface, a wedge-shaped groove 15 is formed at one side of the ejector rod 14, and the wedge-shaped groove 15 is matched with the wedge-shaped surface of the through hole 16.

Example two

Referring to fig. 1-4, a combined grinding wheel device, including casing 1, there is motor 2 through the bolt fastening on the top inner wall of casing 1, the welding has commentaries on classics board 3 on the output shaft of motor 2, the bottom welding of commentaries on classics board 3 has pivot 4, the outside sliding connection of pivot 4 has push pedal 5, the bottom of pivot 4 is equipped with emery wheel 9, the inboard welding of emery wheel 9 has change 8, change 8 and 4 swing joint of pivot, ring slot 12 has been seted up to change 8's inboard, the equal sliding connection in both sides of pivot 4 has toper slider 11, two toper sliders 11 all with ring slot 12 sliding connection, the bottom sliding connection of pivot 4 has ejector pin 14 that two symmetries set up, the bottom welding of two ejector pins 14 has same roof 17.

In this embodiment, the top welding of push pedal 5 has supporting spring 6, and supporting spring 6's top and commentaries on classics board 3 fixed connection, and supporting spring 6 can support and fix a position push pedal 5.

In this embodiment, the bottom welding of push pedal 5 has two dead levers 7 that the symmetry set up, and the top of change 8 is the annular and has seted up a plurality of fixed slots 18, and dead lever 7 cooperatees with fixed slot 18, and dead lever 7 can fix a position change 8 with clamping of fixed slot 18.

constant head tank

10 and 11 sliding connection of toper slider, and all weld on the one side inner wall that two constant head tanks 10 are close to each other has reset spring 13, reset spring 13's one end and the 11 fixed connection of toper slider that correspond, and reset spring 13 can support and reset toper slider 11 for toper slider 11 can be in ring groove 12 all the time.

In this embodiment, through-hole 16 has been seted up at the top of toper slider 11, through-hole 16 and the ejector pin 14 sliding connection that corresponds, and one side inner wall of through-hole 16 is the wedge setting, and wedge groove 15 has been seted up to one side of ejector pin 14, and wedge groove 15 cooperatees with the wedge of through-hole 16, and the ejector pin 14 of removal can drive toper slider 11 through the wedge cooperation in wedge groove 15 and the through-hole 16 and move.

In this embodiment, when the grinding wheel 9 needs to be disassembled, the top plate 17 is pushed, the top plate 17 drives the ejector rod 14 to move, the ejector rod 14 drives the tapered slider 11 to move through the cooperation of the tapered slot 15 and the tapered surface in the through hole 16, the moved tapered slider 11 is separated from the clamping with the annular clamping groove 12, so that the grinding wheel 9 is convenient to disassemble, when the grinding wheel 9 needs to be assembled, the rotating ring 8 is sleeved in the rotating shaft 4, the tapered slider 11 moves into the annular clamping groove 12 due to the action of the reset spring 13, so as to fix the longitudinal positions of the rotating shaft 4 and the rotating ring 8, meanwhile, due to the arrangement of the push plate 5 and the support spring 6, the fixing rod 7 moves into the corresponding fixing groove 18 under the action of the push plate 5, so as to fix the transverse position of the rotating ring 8, so that the motor 2 conveniently drives the rotating shaft 4 to rotate, so as to drive the grinding wheel 9 to, thereby being convenient for people to use. All structures in this application can carry out the selection of material and length according to actual use condition, and the attached drawing is the schematic diagram, and its specific size and proportion need adjust according to actual conditions.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The combined grinding wheel device comprises a machine shell (1) and is characterized in that a motor (2) is fixedly mounted on the inner wall of the top of the machine shell (1), a rotating plate (3) is fixedly mounted on an output shaft of the motor (2), a rotating shaft (4) is fixedly mounted at the bottom of the rotating plate (3), a push plate (5) is slidably connected to the outer side of the rotating shaft (4), a grinding wheel (9) is arranged at the bottom of the rotating shaft (4), a rotating ring (8) is fixedly mounted on the inner side of the grinding wheel (9), the rotating ring (8) is movably connected with the rotating shaft (4), an annular clamping groove (12) is formed in the inner side of the rotating ring (8), conical sliding blocks (11) are respectively slidably connected to two sides of the rotating shaft (4), the two conical sliding blocks (11) are respectively slidably connected with the annular clamping groove (12), two ejector rods (14) which are symmetrically, the bottom ends of the two ejector rods (14) are fixedly provided with the same top plate (17).

2. The combined grinding wheel device according to claim 1, characterized in that a supporting spring (6) is fixedly arranged at the top of the push plate (5), and the top end of the supporting spring (6) is fixedly connected with the rotating plate (3).

3. The combined grinding wheel device according to claim 1, wherein two symmetrically arranged fixing rods (7) are fixedly arranged at the bottom of the push plate (5), a plurality of fixing grooves (18) are annularly formed at the top of the rotating ring (8), and the fixing rods (7) are matched with the fixing grooves (18).

4. The combined grinding wheel device according to claim 1, wherein positioning grooves (10) are formed in both sides of the rotating shaft (4), the positioning grooves (10) are slidably connected with the tapered sliding blocks (11), a return spring (13) is fixedly mounted on the inner wall of one side, close to each other, of each positioning groove (10), and one end of each return spring (13) is fixedly connected with the corresponding tapered sliding block (11).

5. The combined grinding wheel device according to claim 1, wherein a through hole (16) is formed in the top of the conical sliding block (11), the through hole (16) is in sliding connection with the corresponding ejector rod (14), the inner wall of one side of the through hole (16) is a wedge-shaped surface, a wedge-shaped groove (15) is formed in one side of the ejector rod (14), and the wedge-shaped groove (15) is matched with the wedge-shaped surface of the through hole (16).