CN219234978U - Guiding device of edge grinding machine - Google Patents

Abstract

The utility model provides a guiding device of an edge grinding machine, which comprises a machine body and a guiding component, wherein the guiding component is arranged on one side of the machine body; the bottom of the machine body is provided with a polishing disc; the guide assembly comprises an auxiliary handle, a rotation limiting assembly, a telescopic limiting assembly, a first fastening piece, a second fastening piece and a guide plate; when the first fastening piece is locked, the auxiliary handle is fastened with the machine body through the first fastening piece; when the first fastening piece is loosened, the auxiliary handle is rotationally connected with the machine body through the first fastening piece, and the rotation limiting assembly is used for limiting the rotation position and/or angle of the auxiliary handle when the auxiliary handle rotates; when the second fastening piece is locked, the auxiliary handle is fastened with the guide plate through the second fastening piece, and when the second fastening piece is loosened, the auxiliary handle is movably connected with the guide plate through the second fastening piece, and the telescopic limiting assembly is used for limiting the moving distance of the guide plate when the guide plate moves; the utility model can realize accurate polishing of the edge of the workpiece; and the structure is simple, and the production cost is reduced.

Description

Guiding device of edge grinding machine

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a guiding device of an edge grinding machine.

Background

The common grinding and polishing device, such as a sander, is widely applied to grinding and polishing of wall surfaces, ground surfaces and workpiece surfaces as a common handheld electric tool. The working chassis of the sander is provided with sanding materials such as sand paper and the like, and is connected with a driving device. When the polishing machine works, the driving device drives the working chassis device, so that the attached sand paper correspondingly rotates, and the surface to be processed, which needs to be polished, is continuously polished, so that the surface to be processed is smooth and flat.

At present, along with the continuous improvement of the operation portability and the polishing accuracy of the electric tool by customers, the edge of a workpiece needs to be precisely polished on the premise of ensuring the polishing efficiency, and the operation is convenient; however, due to the structural defect of the sander, the sander is not favorable for a user to hold when polishing the edge of a workpiece, and the polishing precision is not high.

For example, CN110802512a is a sanding machine for cookers based on omnibearing polishing and an operation method thereof, which belong to the technical field of polishing and sanding equipment. The workpiece sanding device is close to and clings to the cooker by driving the first translation device and the second translation device, and after the bottom or the side surface of the cooker is polished, the turnover device is driven to turn over by 90 degrees, so that the workpiece sanding device polishes and polishes the side surface or the bottom of the cooker.

The technical scheme can improve the polishing efficiency of the device, but cannot control and adjust the polishing precision, and the device has the advantages of complex structure, higher cost and difficult user operation.

For example, CN214869521U discloses a sander with a guiding device, comprising: the sander comprises a sander body, a sanding device and a sanding device, wherein the sander body comprises a shell and a sand disc positioned at the bottom of the shell; the guiding accessory is detachably arranged on the sander main body; the guide accessory comprises a support piece connected to the shell and a guide piece movably connected to the support piece, an auxiliary handle is formed on the support piece, the guide piece comprises a guide plane, the position of the guide piece, which is operable, is adjusted relative to the support piece so as to change the angle between the guide plane and the bottom surface of the sand disc, a matching part is arranged on the shell, one end of the support piece is provided with a connecting part, and the connecting part is spliced with the matching part so as to detachably connect the support piece to the shell. By arranging the detachable guide accessory, the edge of the workpiece can be accurately polished.

Although the sander disclosed by the technical scheme can realize accurate sanding and improve the sanding precision, the structure in the technical scheme is complex and the production cost is too high.

Aiming at the defects in the prior art, a guide device of an edge grinding machine is urgently needed, and the edge of a workpiece can be accurately ground on the premise of ensuring the grinding efficiency; and the structure is simple, the production cost is reduced, and the operation of a user is convenient.

Disclosure of Invention

The present utility model aims to provide a guiding device for an edge grinder, which solves the above problems, and compared with the prior art, the guiding structure of the device needs to be simplified, but the accurate grinding effect of the plate cannot be affected; the guiding device of the edge grinding machine can be adaptively and telescopically adjusted according to the thickness or the width of the plate, and the corresponding grinding angle can be adjusted, so that the accuracy of grinding the plate is further improved; in addition, the guiding device of the edge grinding machine is simpler and more effective in structure, so that the operation is convenient, and the production cost can be reduced.

In order to achieve the above object, the present utility model provides a guiding device for an edge grinder, comprising a machine body and a guiding component, wherein the guiding component is arranged at one side of the machine body; the guide assembly can realize accurate polishing of the plate;

the bottom of the machine body is provided with a polishing disc; the polishing disc can polish the plate;

the guide assembly comprises an auxiliary handle, a rotation limiting assembly, a telescopic limiting assembly, a first fastening piece, a second fastening piece and a guide plate; the guide assembly can rotate a corresponding angle through the first fastener and the rotation limiting assembly to accurately adjust the polishing direction and the polishing position of the plate, can be subjected to telescopic adjustment through the second fastener and the telescopic limiting assembly to accurately adapt to plates with different thicknesses, and can be abutted to the edges of the plates through the guide plate;

when the first fastening piece is locked, the auxiliary handle is fastened with the machine body through the first fastening piece; when the first fastening piece is loosened, the auxiliary handle is rotationally connected with the machine body through the first fastening piece, and the rotation limiting assembly is used for limiting the rotation position and/or angle of the auxiliary handle when the auxiliary handle rotates; the relative position of the auxiliary handle can be fixed by locking the first fastener, so that the follow-up polishing work of the plate is ensured to be stable and not deflected, and the auxiliary handle can be rotated by loosening the first fastener so as to adjust the corresponding polishing angle and polishing position, thereby improving polishing precision; the deflection travel of the auxiliary handle can be restrained by rotating the limiting assembly, so that excessive deflection is prevented;

"/" means "and" are either or both of the relationship;

when the second fastening piece is locked, the auxiliary handle is fastened with the guide plate through the second fastening piece, when the second fastening piece is loosened, the auxiliary handle is movably connected with the guide plate through the second fastening piece, and the telescopic limiting assembly is used for limiting the moving distance of the guide plate when the guide plate moves; the relative position of the guide plate can be fixed by locking the second fastening piece, so that the follow-up polishing work of the plate is ensured to be stable and not to deviate, and the guide plate can be stretched and contracted by loosening the second fastening piece so as to adapt to the plates with different thicknesses, and the polishing precision is improved; can retrain the flexible length of deflector through flexible spacing subassembly, prevent excessive flexible.

Preferably, the rotation limiting assembly comprises one or more protruding points, a plurality of first limiting grooves, a first protruding block and a second limiting groove; the protruding points and the first protruding blocks are arranged on the machine body, and the first limit groove and the second limit groove are arranged on the auxiliary handle; the first limiting groove can play a limiting role on the convex points, and the second limiting groove can play a limiting role on the first convex blocks.

Preferably, each bump is movably arranged in a corresponding first limit groove, and each bump can be in running fit with a corresponding first limit groove, and the number of the first limit grooves is greater than that of the bumps; the salient points and the first limit grooves are arranged in an arc shape, and the one or more salient points are rotatably arranged in the plurality of first limit grooves, so that the rapid adjustment of the rotation angle can be realized;

the first lug is arranged in the second limit groove, the first lug is rotationally connected with the second limit groove, and the length of the second limit groove is longer than that of the first lug; the outline of the inner edge and the outline of the outer edge of the second limit groove and the outline of the inner edge of the first lug are arc-shaped; the first protruding block is arranged in the second limiting groove and can limit the maximum angle and the minimum angle of rotation.

Preferably, the first fastener comprises a first knob, a first screw rod and a first nut, wherein the first knob is connected with one end of the first screw rod, and the first nut is in threaded connection with the other end of the first screw rod; the first screw rod and the first nut can be driven to rotate relatively by rotating the first knob, so that unscrewing or screwing work is realized.

Preferably, the second fastener comprises a second knob, a second screw rod, a second nut and a sliding cylinder, wherein the second knob is connected with one end of the second screw rod, the second nut is arranged on the second screw rod, the second screw rod is in threaded connection with the second nut, the second nut is fixedly connected with one side of the sliding cylinder, the other side of the sliding cylinder is fixedly connected with the guide plate, and the second screw rod is movably connected with the sliding cylinder through the second nut; the second screw rod and the second nut can be driven to rotate relatively through rotating the second knob, loosening or screwing is achieved, and due to the fact that the second nut is fixedly connected with one side of the sliding cylinder, after the second screw rod and the second nut are loosened, the sliding cylinder can move freely, and the sliding cylinder can slide in a reciprocating mode along the direction of the second screw rod.

Preferably, the telescopic limiting assembly comprises a second lug and a third limiting groove, the second lug is arranged at one end, close to the second nut, of the sliding cylinder, the third limiting groove is arranged in the auxiliary handle, the second lug is positioned in the third limiting groove, the second lug can move in the third limiting groove in a reciprocating manner, and the third limiting groove plays a limiting role on the second lug; the third limiting groove can limit the longest moving distance and the shortest moving distance of the second protruding block, and the second protruding block is arranged on the sliding cylinder, namely, the longest moving distance and the shortest moving distance of the sliding cylinder are limited.

Preferably, the height of the first bump is greater than that of the bump; the first lug can be matched with the second limit groove better to limit the rotation angle.

Preferably, a rubber dust-proof ring is arranged between the machine body and the polishing disc; the dust ring can play the effect of preventing dust and bits from entering the device as far as possible when the device performs polishing work.

Preferably, a dust outlet is formed in one side of the machine body and is used for better discharging dust in the machine body.

Preferably, the auxiliary handle is obliquely arranged near one end of the second fastening piece, the second fastening piece is obliquely arranged, and the upper end and the lower end of the guide plate are provided with slopes; so that the guide plate can be better abutted against the plate material, and the polishing efficiency and stability are ensured.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the plates can be precisely polished through the guide assembly, the guide assembly can rotate by corresponding angles through the first fastening piece and the rotation limiting assembly so as to precisely adjust the polishing direction and polishing position of the plates, the guide assembly can be telescopically adjusted through the second fastening piece and the telescopic limiting assembly so as to precisely adapt to the plates with different thicknesses, and the guide assembly can be abutted against the edges of the plates through the guide plate.

2. According to the utility model, the relative position of the auxiliary handle can be fixed by locking the first fastening piece, so that the follow-up polishing work of the plate is ensured to be stable and not deflected, and the auxiliary handle can be rotated by loosening the first fastening piece so as to adjust the corresponding polishing angle and polishing position, thereby improving the polishing precision; the deflection stroke of the auxiliary handle can be restrained through rotating the limiting assembly, and the polishing efficiency is prevented from being influenced by excessive rotation.

3. According to the utility model, the relative position of the guide plate can be fixed by locking the second fastening piece, so that the subsequent polishing work of the plate is ensured to be stable and not to deviate, and the guide plate can be stretched and contracted by loosening the second fastening piece so as to adapt to plates with different thicknesses, and the polishing precision is improved; can retrain the flexible length of deflector through flexible spacing subassembly, prevent excessive flexible influence polishing efficiency.

4. The rotation limiting assembly comprises one or more protruding points, a plurality of first limiting grooves, a first protruding block and a second limiting groove, and the rotation angle can be quickly adjusted through the matching of the protruding points and the first limiting grooves; the maximum angle and the minimum angle of rotation can be limited through the cooperation of the first lug and the second limiting groove.

5. The telescopic limiting assembly comprises the second lug and the third limiting groove, and the longest moving distance and the shortest moving distance of the second lug can be limited through the cooperation of the second lug and the third limiting groove.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a guide device of an edge grinding machine according to the present utility model;

FIG. 2 is an exploded view of a part of the structure of a guide of an edge grinder according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a guide assembly according to the present utility model;

FIG. 4 is a schematic plan view of a body part structure of the present utility model;

FIG. 5 is a schematic perspective view of a first fastener, a second fastener and a guide plate according to the present utility model;

FIG. 6 is a schematic plan view of a guide for an edge grinder according to the present utility model;

the machine body 1, the polishing disc 11, the rubber dust ring 12, the dust outlet 13, the guide component 2, the auxiliary handle 21, the rotation limiting component 22, the protruding point 221, the first limiting groove 222, the first protruding block 223, the second limiting groove 224, the telescopic limiting component 23, the second protruding block 231, the third limiting groove 232, the first fastening piece 24, the first knob 241, the first screw 242, the first nut 243, the second fastening piece 25, the second knob 251, the second screw 252, the second nut 253, the sliding cylinder 254 and the guide plate 26 are shown in the figure.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 2, 3 and 6, the present utility model provides a guiding device of an edge grinding machine, which comprises a machine body 1 and a guiding component 2, wherein the guiding component 2 is arranged at one side of the machine body 1; the bottom of the machine body 1 is provided with a polishing disc 11; the guide assembly 2 comprises an auxiliary handle 21, a rotation limiting assembly 22, a telescopic limiting assembly 23, a first fastening piece 24, a second fastening piece 25 and a guide plate 26;

the guide assembly 2 is used for precisely polishing the plate, and when the guide assembly 2 needs to adjust the rotation angle, the rotation angle and the rotation position can be precisely adjusted through the first fastening piece 24 and the limiting assembly 22; when the guiding component 2 needs to polish plates with different thicknesses, the relative positions of the guiding plate 26 and the polishing disc 11 are adjusted to realize the abutting connection of the guiding plate 26 to the edges of the plates, and at the moment, the telescopic length of the guiding plate 26 can be accurately adjusted through the second fastening piece 25 and the telescopic limiting component 23.

When the first fastening piece 24 is locked, the auxiliary handle 21 is fastened with the machine body 1 through the first fastening piece 24; when the first fastening member 24 is loosened, the auxiliary handle 21 is rotatably connected with the machine body 1 through the first fastening member 24, the rotation limiting assembly 22 is used for limiting the rotation position and/or angle of the auxiliary handle 21 when the auxiliary handle 21 rotates,

the first fastener 24 is unscrewed, the auxiliary handle 21 can accurately adjust different rotation positions and/or angles under the assistance of the rotation limiting assembly 22, after the adjustment is finished, the first fastener 24 is screwed again, so that the auxiliary handle 21 can be ensured to be fixed relative to the machine body 1 and not to rotate, and stable polishing work can be performed at the moment;

"/" means "and" are either or both of the relationship;

when the second fastening piece 25 is locked, the auxiliary handle 21 is fastened with the guide plate 26 through the second fastening piece 25, when the second fastening piece 25 is loosened, the auxiliary handle 21 is movably connected with the guide plate 26 through the second fastening piece 25, and the telescopic limiting assembly 23 is used for limiting the moving distance of the guide plate 26 when the guide plate 26 moves;

unscrewing the second fastener 25, the guide plate 26 can adjust different telescopic movement distances under the assistance of the telescopic limiting assembly 23, after adjustment is finished, screwing the second fastener 25 again can ensure that the guide plate 26 is fixed relative to the auxiliary handle 21 and cannot move, and stable polishing work can be performed at the moment.

As shown in fig. 2 and 4, the rotation limiting assembly 22 includes four protruding points 221, seven first limiting grooves 222, a first protruding block 223, and a second limiting groove 224, wherein the protruding points 221 and the first protruding block 223 are disposed on the machine body 1, and the first limiting groove 222 and the second limiting groove 224 are disposed on the auxiliary handle 21; each protruding point 221 is movably arranged in a corresponding first limit groove 222, each protruding point 221 can be in running fit with a corresponding first limit groove 222, the number of the first limit grooves 222 is greater than that of the protruding points 221, and the protruding points 221 and the first limit grooves 222 are arranged in an arc shape; the first protruding block 223 is arranged in the second limiting groove 224, the first protruding block 223 is rotationally connected with the second limiting groove 224, the length of the second limiting groove 224 is longer than that of the first protruding block 223, and the outline of the inner edge and the outline of the outer edge of the second limiting groove 224 and the outline of the inner edge and the outline of the outer edge of the first protruding block 223 are arc-shaped; the rotation position limiting assembly 22 can control the rotation position of the auxiliary handle 21, wherein the first gear is an initial position, at the moment, the first starting end of the 4 convex points 221 in the 7 first position limiting grooves 222 is the first starting end, the second gear is the distance that the 4 convex points 221 rotate one lattice in the 7 first position limiting grooves 222, the third gear is the distance that the 4 convex points 221 rotate two lattices in the 7 first position limiting grooves 222, and the fourth gear is the distance that the 4 convex points 221 rotate three lattices in the 7 first position limiting grooves 222; when the 4 bumps 221 are in the initial gear in the 7 first limit grooves 222, the first bump 223 is located at the initial end of the second limit groove 224, and when the 4 bumps 221 are in the fourth gear in the 7 first limit grooves 222, the first bump 223 is located at the most distal end of the second limit groove 224.

As shown in fig. 2 and 5, the first fastener 24 includes a first knob 241, a first screw 242, and a first nut 243, wherein the first knob 241 is connected to one end of the first screw 242, and the first nut 243 is screwed to the other end of the first screw 242.

The first screw 242 and the first nut 243 are relatively unscrewed by rotating the first knob 241, and the auxiliary handle 21 can be rotated at this time; after the rotation angle is adjusted, the user can rotate the first knob 241 to screw the first screw 242 and the first nut 243 relatively, and the auxiliary handle 21 is fixed relative to the machine body 1 and cannot rotate, so that stable polishing work can be performed.

As shown in fig. 3 and 5, the second fastener 25 includes a second knob 251, a second screw rod 252, a second nut 253, and a sliding cylinder 254, where the second knob 251 is connected with one end of the second screw rod 252, the second nut 253 is disposed on the second screw rod 252, the second screw rod 252 is in threaded connection with the second nut 253, the second nut 253 is fixedly connected with one side of the sliding cylinder 254, the other side of the sliding cylinder 254 is fixedly connected with the guide plate 26, the second screw rod 252 is movably connected with the sliding cylinder 254 through the second nut 253, and the sliding cylinder 254 can slide reciprocally along the direction of the second screw rod 252;

the second screw rod 252 and the second nut 253 are relatively unscrewed by rotating the second knob 251, at this time, the sliding cylinder 254 can move along the direction of the second screw rod 252, after the guide plate 26 is completely abutted against the plate material, the user can relatively screw the second screw rod 252 and the second nut 253 by rotating the second knob 251, at this time, the guide plate 26 is fixed relative to the auxiliary handle 21 and cannot move, and at this time, stable polishing work can be performed.

As shown in fig. 3 and 5, the telescopic limiting assembly 23 includes a second protruding block 231 and a third limiting groove 232, the second protruding block 231 is disposed at one end of the sliding cylinder 254 near the second nut 253, the third limiting groove 232 is disposed inside the auxiliary handle 21, the second protruding block 231 is disposed in the third limiting groove 232, the second protruding block 231 can reciprocate in the third limiting groove 232, and the third limiting groove 232 performs a limiting function on the second protruding block 231;

when the sliding cylinder 254 does not drive the guide plate 26 to perform telescopic displacement, the second protruding block 231 is located at the initial end of the third limiting groove 232, and when the second protruding block 231 is located at the most distal end of the third limiting groove 232, the sliding cylinder 254 drives the guide plate 26 to extend to the maximum length.

The first bump 223 has a bump height greater than that of the bump 221; to assist the first bump 223 to better cooperate with the second limit groove 224 to limit the rotation angle.

A rubber dust ring 12 is also arranged between the machine body 1 and the polishing disc 11.

A dust outlet 13 is arranged on one side of the machine body 1.

The auxiliary handle 21 is obliquely arranged near one end of the second fastening piece 25, the second fastening piece 25 is obliquely arranged, and the upper end and the lower end of the guide plate 26 are provided with slopes; because the auxiliary handle 21 is arranged near one end of the second fastening piece 25 in an inclined manner, and the upper end and the lower end of the guide plate 26 have slopes, the guide plate 26 can change the vertical distance with the grinding disc 11 only by performing telescopic displacement along the direction of the second fastening piece 25.

In the first embodiment, when the polishing angle needs to be adjusted according to the actual condition of the plate, the user can rotate the first knob 241 to loosen the first screw 242 and the first nut 243 relatively, and then the auxiliary handle 21 can rotate, and the rotation gear of the auxiliary handle 21 can be controlled by rotating the limiting component 22, which is specifically expressed as the first gear, the first starting end of the 4 protruding points 221 in the 7 first limiting grooves 222, the second gear, the distance of the 4 protruding points 221 rotating one lattice in the 7 first limiting grooves 222, and the third gear, the distance of the 4 protruding points 221 rotating two lattices in the 7 first limiting grooves 222. The fourth gear is the distance that the 4 convex points 221 rotate three lattices in the 7 first limit grooves 222; the first protrusion 223 and the second limiting groove 224 cooperate to limit the maximum and minimum rotation angles, when the 4 protruding points 221 are in the initial gear position in the 7 first limiting grooves 222, the first protrusion 223 is positioned at the initial end of the second limiting groove 224, and when the 4 protruding points 221 are in the fourth gear position in the 7 first limiting grooves 222, the first protrusion 223 is positioned at the most distal end of the second limiting groove 224;

after the rotation angle is adjusted, the user can rotate the first knob 241 to screw the first screw 242 and the first nut 243 relatively, and the auxiliary handle 21 is fixed relative to the machine body 1 and cannot rotate, so that stable polishing work can be performed.

In the second embodiment, when the distance between the guide plate 26 and the polishing disc 11 needs to be adjusted according to the actual thickness of the plate, the auxiliary handle 21 is obliquely arranged near one end of the second fastening piece 25, and the upper end and the lower end of the guide plate 26 have slopes, so that the vertical distance between the guide plate 26 and the polishing disc 11 can be changed only by performing telescopic displacement along the direction of the second fastening piece 25; at this time, the user can rotate the second knob 251 to relatively unscrew the second screw 252 and the second nut 253, and at this time, the sliding cylinder 254 can move along the direction of the second screw 252, and since the sliding cylinder 254 is fixedly connected with the guide plate 26, the sliding cylinder 254 can drive the guide plate 26 to perform reciprocating telescopic displacement along the direction of the second fastening piece 25; however, in order to prevent the guide plate 26 from excessively moving in a telescopic manner, the guide plate 26 can be limited by the telescopic limiting assembly 23, which is specifically shown that when the sliding cylinder 254 does not drive the guide plate 26 to move in a telescopic manner, the second protruding block 231 is located at the initial end of the third limiting groove 232, and when the second protruding block 231 is located at the most distal end of the third limiting groove 232, the sliding cylinder 254 drives the guide plate 26 to extend to the maximum length;

after the guide plate 26 is completely abutted against the plate, the user can rotate the second knob 251 to screw the second screw 252 and the second nut 253 relatively, and at this time, the guide plate 26 is fixed relative to the auxiliary handle 21 and cannot move, so that stable polishing work can be performed.

Furthermore, the terms "upper," "lower," "inner," "outer," "front," "rear" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The relative steps, numerical expressions and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. The guiding device of the edge grinding machine is characterized by comprising a machine body (1) and a guiding component (2), wherein the guiding component (2) is arranged on one side of the machine body (1);

a polishing disc (11) is arranged at the bottom of the machine body (1);

the guide assembly (2) comprises an auxiliary handle (21), a rotation limiting assembly (22), a telescopic limiting assembly (23), a first fastening piece (24), a second fastening piece (25) and a guide plate (26);

when the first fastening piece (24) is locked, the auxiliary handle (21) is fastened with the machine body (1) through the first fastening piece (24); when the first fastening piece (24) is loosened, the auxiliary handle (21) is rotationally connected with the machine body (1) through the first fastening piece (24), and the rotation limiting assembly (22) is used for limiting the rotation position and/or angle of the auxiliary handle (21) when the auxiliary handle (21) rotates;

when the second fastening piece (25) is locked, the auxiliary handle (21) is fastened with the guide plate (26) through the second fastening piece (25), when the second fastening piece (25) is loosened, the auxiliary handle (21) is movably connected with the guide plate (26) through the second fastening piece (25), and the telescopic limiting assembly (23) is used for limiting the moving distance of the guide plate (26) when the guide plate moves.

2. The guiding device of an edge grinding machine according to claim 1, characterized in that the rotation limiting assembly (22) comprises one or more bumps (221), a plurality of first limiting grooves (222), a first bump (223), a second limiting groove (224);

the protruding points (221) and the first protruding blocks (223) are arranged on the machine body (1), and the first limiting grooves (222) and the second limiting grooves (224) are arranged on the auxiliary handle (21).

3. A guiding device for an edge grinding machine according to claim 2, characterized in that each of the protruding points (221) is movably arranged in a corresponding first limit groove (222), and that each of the protruding points (221) can be in a running fit with a corresponding first limit groove (222), the number of the first limit grooves (222) being greater than the number of protruding points (221);

the first protruding block (223) is arranged in the second limiting groove (224), the first protruding block (223) is rotationally connected with the second limiting groove (224), and the length of the second limiting groove (224) is larger than that of the first protruding block (223).

4. A guiding device for an edge grinding machine according to claim 1, 2 or 3, characterized in that the first fastening member (24) comprises a first knob (241), a first screw (242), a first nut (243), the first knob (241) being connected to one end of the first screw (242), the first nut (243) being screwed to the other end of the first screw (242).

5. A guiding device for an edge grinding machine according to claim 1, 2 or 3, characterized in that the second fastening member (25) comprises a second knob (251), a second screw rod (252), a second nut (253) and a sliding cylinder (254), the second knob (251) is connected with one end of the second screw rod (252), the second nut (253) is arranged on the second screw rod (252), the second screw rod (252) is in threaded connection with the second nut (253), the second nut (253) is fixedly connected with one side of the sliding cylinder (254), the other side of the sliding cylinder (254) is fixedly connected with the guiding plate (26), and the second screw rod (252) is movably connected with the sliding cylinder (254) through the second nut (253).

6. The guiding device of an edge grinding machine according to claim 5, wherein the telescopic limiting assembly (23) comprises a second protruding block (231) and a third limiting groove (232), the second protruding block (231) is arranged at one end, close to the second nut (253), of the sliding cylinder (254), the third limiting groove (232) is arranged inside the auxiliary handle (21), the second protruding block (231) is arranged in the third limiting groove (232), the second protruding block (231) can move in the third limiting groove (232) in a reciprocating mode, and the third limiting groove (232) plays a limiting role on the second protruding block (231).

7. A guiding device for an edge grinding machine according to claim 2 or 3, characterized in that the first bump (223) has a bump height which is greater than the bump height of the bump (221).

8. A guiding device for an edge grinding machine according to claim 1, 2, 3 or 6, characterized in that a rubber dust ring (12) is also provided between the machine body (1) and the grinding disc (11).

9. A guiding device for an edge grinding machine according to claim 8, characterized in that the machine body (1) is provided with a dust outlet (13) on one side.

10. A guide device for an edge grinding machine according to claim 1, 2, 3, 6 or 9, characterized in that the auxiliary handle (21) is arranged obliquely near one end of the second fastening member (25), the second fastening member (25) is arranged obliquely, and the upper and lower ends of the guide plate (26) have a slope.

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