CN211841586U

CN211841586U - Edge grinding device

Info

Publication number: CN211841586U
Application number: CN202020409531.7U
Authority: CN
Inventors: 张朝阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-03
Anticipated expiration: 2030-03-26

Abstract

The application relates to the technical field of cutting and edging, in particular to an edge grinder, which comprises a C-shaped frame, a hand guard structure connected to two side edges of the C-shaped frame, a grinding plate positioned on the inner side of the C-shaped frame, and a handle positioned on the back side of the C-shaped frame, wherein the hand guard structure comprises a protective plate hinged with the side edge of the C-shaped frame and a pulley arranged on the protective plate and far away from one side of the C-shaped frame, the axial direction of the pulley is vertical to the rotating shaft of the protective plate, and the C-shaped frame is provided with a limiting part for limiting the rotation; two sides of the grinding sheet are respectively detachably connected to two opposite side walls of the C-shaped frame so that the grinding sheet is parallel to the rotating shaft of the guard plate. By the arrangement, the edge grinding device is stable, rapid, safe and free of damaging the surface of a material, is convenient to master and protect the humanized design of fingers, is general in dry and wet conditions, has the characteristics of compression resistance and wear resistance, is convenient to process and produce and is low in price; the device can meet the edge breakage in different degrees, and can meet the construction requirements from rough grinding to fine grinding.

Description

Edge grinding device

Technical Field

The application relates to the technical field of cutting edging, more specifically relates to an edge grinding device.

Background

On-site cutting of glass, ceramic tiles, stone and the like is easy to generate notches and broken edges, so that the notches need to be polished orderly and then paved for use. In the prior art, the commonly used grinding treatment is abrasive cloth grinding, grinding by a grinding sheet matched with an angle grinder and artificial grinding by a diamond hand wiper.

The abrasive cloth is polished on sharp cuts, and the fingers are easily abraded and cut. Abrasive paper is polished for a long time and is inefficient, and is not easy to grasp when polishing the edge of a cut, and easily scrapes the surface of a flower material, leaving scratches, and partial abrasive paper can leave the color which is not easy to clean on the surface of the material.

The edge grinding speed of the angle grinder is high, but the technical requirement is high, and the surface of the material can be damaged or operators can be injured due to slight deviation. There are many places in the production process where manual sanding is required.

The diamond foam hand wiper is high in product price, if the requirements on the surface of a material are different, the hand wipers with different specifications need to be used for polishing, and a user needs to carry a plurality of hand wipers to meet the production requirements. The diamond electroplating film is discarded after being damaged and cannot be reused, the other main material of the hand eraser is foam which accounts for more than 90% of the using volume of the hand eraser, and the discarding is not beneficial to recycling, environmental protection and resource saving.

Therefore, how to solve the problems of long grinding time, low efficiency, easy scraping of the surface of the material, high technical requirements and high price in the existing grinding treatment is a key technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art at least to a certain extent, the invention aims to provide an edge grinding device which can solve the problems of long grinding time, low efficiency, easy scratching of the surface of a material, high technical requirement and high price in the existing grinding treatment.

The application provides an edge grinder, which comprises a C-shaped frame, a hand protection structure connected to two side edges of the C-shaped frame, a grinding sheet positioned on the inner side of the C-shaped frame, and a handle positioned on the back side of the C-shaped frame, wherein the hand protection structure comprises a protective plate hinged to the side edge of the C-shaped frame and a pulley arranged on the protective plate and far away from one side of the C-shaped frame, the axial direction of the pulley is vertical to the rotating shaft of the protective plate, and the C-shaped frame is provided with a limiting part for limiting the rotation of the protective plate; two sides of the abrasive disc are respectively detachably connected to two opposite side walls of the C-shaped frame, so that the abrasive disc is parallel to the rotating shaft of the protective plate.

Preferably, the backplate is L shape, and has mutually perpendicular's first strip shaped plate and second strip shaped plate, first strip shaped plate with C shape frame is articulated, just second strip shaped plate orientation the opening outside of C shape frame extends, the pulley sets up keep away from on the second strip shaped plate one side of first strip shaped plate, just the radius of pulley is greater than first strip shaped plate with the distance of the axis of rotation of pulley.

Preferably, the pulleys are at least two and are uniformly arranged along the extending direction of the second strip-shaped plate.

Preferably, the first strip-shaped plate is hinged to the C-shaped frame by a hinge.

Preferably, the grinding plate is provided with a plurality of pieces and is arranged on the inner side of the C-shaped frame side by side.

Preferably, the C-shaped frame comprises an upper side plate and a lower side plate which are arranged side by side, the upper side plate is provided with an insertion hole for inserting the grinding sheet, one side of the lower side plate, facing the upper side plate, is provided with a clamping groove for embedding the grinding sheet, and the width of the grinding sheet is greater than the distance between the upper side plate and the lower side plate.

Preferably, the limiting member includes a baffle plate disposed on the outer side of the upper side plate and the outer side of the lower side plate, and when the baffle plate is displaced to the first position, the baffle plate abuts against the side surface of the guard plate and limits the guard plate to rotate.

Preferably, the baffle plate is rotatably connected to the upper side plate and the lower side plate through a pin shaft, and can rotate to the first position by taking the pin shaft as a center.

Preferably, the baffle is semicircular, and the pin shaft is connected to the center of the baffle.

Preferably, the C-shaped frame further comprises a connecting plate connected to the same side edge of the upper side plate and the lower side plate, and the handle is spherical and connected to one side, far away from the upper side plate and the lower side plate, of the connecting plate.

The technical scheme provided by the application can comprise the following beneficial effects:

when the edge grinder is used, grinding plates with different meshes are installed according to grinding requirements, ceramic tiles or glass and stone waiting for grinding materials extend into the edge grinder, namely extend between two guard plates and abut against the grinding plates, pulleys are placed on the surface of the materials waiting for grinding, and the edge grinder is pulled back and forth to carry out grinding operation; the rotating positions of the two guard plates can be changed by adjusting the limiting piece, and the cutting section of the material can be polished when the two guard plates are in a parallel state; when the two guard plates form an included angle, one corner of the cutting section of the material can be ground, and the edge breakage and the explosion opening can be ground; when the two guard plates are in a vertical state, the polishing requirements of more scenes can be met. The edge grinding device is stable, rapid, safe and free from damaging the surface of a material, is convenient to master and protect the humanized design of fingers, is general in dry and wet conditions, has the characteristics of compression resistance and wear resistance, is convenient to process and produce and is low in price; grinding discs with different specifications and meshes can be placed to meet different degrees of edge breakage, and the construction requirements from coarse grinding to fine grinding can be met; the different opening angles of two backplate can realize polishing from the angle to the tangent plane and polish, are fit for multiple production scene.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of the present edger shown in accordance with some exemplary embodiments;

FIG. 2 is a top view of the present edger shown in accordance with certain exemplary embodiments;

FIG. 3 is a bottom view of the present edger shown in accordance with some exemplary embodiments;

FIG. 4 is a front view of the present edger shown in accordance with certain exemplary embodiments;

FIG. 5 is a closed cross-sectional view of the present edger shown in accordance with certain exemplary embodiments;

FIG. 6 is a semi-open cross-sectional view of the present edger shown in accordance with some exemplary embodiments;

FIG. 7 is a fully open cross-sectional view of the present edger shown in accordance with some exemplary embodiments.

In the figure: 1. a C-shaped frame; 2. a guard plate; 3. a pulley; 4. a handle; 5. grinding; 6. a jack; 7. a baffle plate; 8. a hinge; 21. a first strip-shaped plate; 22. a second strip.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus or methods consistent with aspects of the present application.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 7, the present embodiment provides an edge grinder, which includes a C-shaped frame 1, a hand guard structure, a grinding plate 5 and a handle 4, wherein the C-shaped frame 1 is a plate with a C-shaped cross section, and specifically, may be formed by pressing and bending a strip-shaped steel plate; the two hand guard structures are respectively connected to the two side edges of the C-shaped frame 1 and used for protecting the hands of a user during manual polishing; the grinding sheet 5 is arranged inside the C-shaped frame 1, namely in a groove formed by the C-shaped frame 1, and glass, ceramic tiles, stone and the like are ground through the grinding sheet 5; handle 4 sets up the dorsal part at C shape frame 1, and one side of keeping away from the recess on C shape frame 1 promptly through control handle 4, and then drives abrasive disc 5 in the recess and polishes materials such as glass, ceramic tile and stone material.

Hand protector structure is including backplate 2 and pulley 3, and backplate 2 is the bar, and has two relative sides, and a side of backplate 2 is articulated with the side of C shape frame 1 to make backplate 2 can follow the side rotation of C shape frame 1, like this, the guarantee user finger contact can not be waited to grind the material surface in process of production, is not cut the bruise and is worn out by the incision section. Another side of hand protector is provided with pulley 3, and the axial of pulley 3 is perpendicular with the axis of rotation of backplate 2 to make pulley 3 can slide along the material surface, and then reduce the application of force to the material surface when polishing.

And, be provided with the locating part on C shape frame 1, this locating part is used for restricting backplate 2 and rotates, and when the locating part was in the first state, locating part restriction backplate 2 rotated to make pulley 3 on the backplate 2 and material surface offset tightly, and then this edge grinder can follow the material surface and slide, and when the locating part was in the second state, the restriction to backplate 2 was cancelled, and backplate 2 can be followed the side rotation of C shape frame 1, and then adjusted suitable angle of polishing.

Both sides of abrasive disc 5 are detachably connected respectively on two relative lateral walls of C shape frame 1, and the plane that abrasive disc 5 belonged to is parallel with the axis of rotation of backplate 2 simultaneously, and specifically, abrasive disc 5 sets up between two sides of C shape frame 1, and abrasive disc 5 is connected with two lateral walls detachably of C shape frame 1 in addition to be convenient for change different abrasive disc 5 according to the condition of polishing of difference, strong adaptability, convenient change, here, can be two lateral walls at C shape frame 1 set up and be used for the recess that blocks abrasive disc 5.

When the edge grinding device is used, grinding pieces 5 with different meshes are installed according to grinding requirements, tiles or glass and stone waiting for grinding materials extend into the edge grinding device, namely extend between the two protective plates 2 and abut against the grinding pieces 5, the pulley 3 is placed on the surface of the materials to be ground, and the edge grinding device is pulled back and forth to carry out grinding operation; the rotating positions of the two guard plates 2 can be changed by adjusting the limiting piece, and the cutting section of the material can be ground when the two guard plates 2 are in a parallel state; when the two guard plates 2 form an included angle, one corner of the cutting section of the material can be ground, and the edge breakage and the explosion opening can be ground; when the two guard plates 2 are in a vertical state, the polishing requirements of more scenes can be met.

By the arrangement, the edge grinding device is stable, rapid, safe and free of damaging the surface of a material, is convenient to master and protect the humanized design of fingers, is general in dry and wet conditions, has the characteristics of compression resistance and wear resistance, is convenient to process and produce and is low in price; grinding discs 5 with different specifications and meshes can be placed to meet different edge breakage degrees, and the construction requirements from coarse grinding to fine grinding can be met; the different opening angles of two backplate 2 can realize polishing from the angle to the tangent plane and polish, suitable multiple production scene.

In this embodiment, the guard plate 2 is L-shaped, and the guard plate 2 has two strip-shaped plates perpendicular to each other, that is, a first strip-shaped plate 21 and a second strip-shaped plate 22, wherein a side edge of the first strip-shaped plate 21 is hinged to a side edge of the C-shaped frame 1, so that the first strip-shaped plate 21 can rotate along the side edge of the C-shaped frame 1, and the second strip-shaped plate 22 is driven to rotate at the same time; the second strip-shaped plate 22 extends towards the direction away from the opening of the C-shaped frame 1, i.e. the C-shaped frame 1 and the protection plate 2 form a shape like a Chinese character 'ji', so as to protect the hand of the user through the protection plate 2. Moreover, the pulley 3 is arranged on the second strip-shaped plate 22, and the pulley 3 is positioned on one side far away from the first strip-shaped plate 21, so that the pulley 3 is positioned on the outer side of the guard plate 2 and can slide along the surface of the material to be ground, moreover, the radius of the pulley 3 is greater than the distance between the first strip-shaped plate 21 and the rotating shaft of the pulley 3, the pulley 3 protrudes out of the plane where the first strip-shaped plate 21 is positioned and extends into the inner side of the opening of the C-shaped frame 1, so that when the pulley 3 contacts with the surface of the material, the first strip-shaped plate 21 cannot scratch the material.

Further, in same hand protector structure, pulley 3 is provided with two at least and evenly arranges along the extending direction of first strip 21, and then increases the stress point when pulley 3 slides to promote slip stability. The design of the plurality of groups of pulleys 3 ensures that a user can not accidentally injure the surface of the scratching material in the production process, and is favorable for reducing the labor intensity of the user.

Wherein, first strip 21 and C shape frame 1 are articulated through hinge 8, simple structure, and the installation of being convenient for is processed and stable. Of course, the first strip 21 and the C-shaped frame 1 support can be provided with two hinges 8, thus improving the stability of the articulation.

In some preferred schemes, the grinding plates 5 are provided with a plurality of grinding plates and are arranged on the inner side of the C-shaped frame 1 side by side, and here, each grinding plate 5 can be set to be different in type and mesh number, so that double-sided grinding plates 5 with multiple mesh specifications or a plurality of grinding plates 5 with the same specification can be installed at the same time, and the grinding plates 5 are easy to replace.

In some embodiments, the C-shaped frame 1 comprises an upper side plate and a lower side plate which are arranged side by side, wherein one guard plate 2 is connected with the upper side plate, the other guard plate is connected with the lower side plate, the upper side plate is provided with a jack 6 for inserting the grinding sheet 5, the jack 6 is in a strip shape and penetrates through the upper side plate, so that the grinding sheet 5 can extend into the C-shaped frame 1 through the insertion holes 6, correspondingly, one side of the lower side plate facing the upper side plate is provided with a clamping groove, for embedding and connecting the grinding sheets 5, and the width of the grinding sheets 5 is larger than the distance between the upper side plate and the lower side plate, when the abrasive disc 5 is installed, the abrasive disc 5 extends into the C-shaped frame 1 from the insertion hole 6 and is clamped in the clamping groove of the lower side plate, so that the abrasive disc 5 is detachably connected with the C-shaped frame 1, when the C-shaped frame 1 is pulled to polish, the grinding sheet 5 is not easy to be stressed and separated, and the connection stability of the grinding sheet 5 is ensured.

It should be noted that, in order to strengthen the steadiness that abrasive disc 5 connects, be provided with the welt in the inboard of curb plate and lower side board, above-mentioned draw-in groove is seted up on the welt, and above-mentioned slot runs through the welt, so, has avoided digging jack 6 and draw-in groove and has made the problem of curb plate and lower side board attenuation.

Of course, in order to prevent the grinding plate 5 from being pulled out of the insertion hole 6 of the upper side plate, a stopper is provided at the position of the insertion hole 6 to close the insertion hole 6, thereby achieving the mounting and fixing of the grinding plate 5. Moreover, the structures of the insertion holes 6 and the clamping grooves can be correspondingly provided with a plurality of groups so as to insert a plurality of abrasive discs 5, and three groups of the structures of the insertion grooves and the clamping grooves are arranged side by side.

The locating part is including setting up the baffle 7 in the top board and the lower side board outside, and two baffles 7 are connected with top board and lower side board displaceable respectively, change the restriction state to backplate 2 through the position that changes baffle 7. When the baffle 7 is at the first position, the baffle 7 abuts against the side surfaces of the guard plate 2 and the upper side plate, or the baffle 7 abuts against the side surfaces of the guard plate 2 and the lower side plate, so as to limit the guard plate 2 from rotating outwards, of course, the baffle 7 can be shifted to the second position, which can be the solid line position shown in fig. 2 or fig. 3, so that the baffle 7 abuts against the side surfaces of the upper side plate or the lower side plate and does not abut against the side surfaces of the guard plate 2, and thus the rotation limitation of the guard plate 2 is cancelled. Therefore, the operation is simple, and the position of the guard plate 2 can be adjusted by time and labor saving.

Further, baffle 7 rotationally connects on last curb plate and lower plate respectively through the round pin axle, and baffle 7 can use the round pin axle to rotate as the center, and baffle 7 can rotate to primary importance and second place promptly, and then realizes the spacing to backplate 2 and abrasive disc 5, and like this, this pivoted structure is easy and simple to handle, can save complicated mounting structure.

Specifically, the baffle 7 is semicircular, and the pin shaft is connected to the position of the circle center of the baffle 7, so that the baffle 7 rotates around the circle center as an axis, and the space required by rotation is favorably reduced. Moreover, the space required for the flap 7 to rotate should be kept away from the mounting position of the hinge 8.

It can be understood that the design of baffle 7 can carry on spacingly to abrasive disc 5, because baffle 7 is located the outside of epipleural, when needs restrict abrasive disc 5 in C shape frame 1, can shift baffle 7 to the third position, can be as the dotted line position in fig. 2 to make baffle 7 support in the outside of jack 6, and support in the outside of backplate 2, like this, realize a plurality of functions through a structure, be favorable to saving the process.

The edge grinder will be described in detail with reference to the above embodiments. In use, the two flaps 7 are rotated to the position shown in phantom in figures 2 and 3 to bring the two panels 2 into a parallel, i.e. closed, condition as shown in figure 5, which allows the cross-section of the material to be sanded. The upper baffle 7 is rotated to the position of the solid line in fig. 2, the lower baffle 7 is positioned at the position of the dotted line in fig. 3, the upper guard plates 2 are rotated and adjusted to form an included angle between the two guard plates 2 or to be in the vertical state shown in fig. 6, namely, the half-open state, so that corners can be polished, for example, the edge of the section glaze of a ceramic tile or the 90-degree edge of two ceramic tiles. The two baffles 7 are rotated to the solid line positions in fig. 2 and 3, and the two guard plates 2 can be adjusted to any angle or the positions shown in fig. 7, namely, the fully opened state, so that the novel grinding machine is suitable for more grinding requirements.

In some preferred embodiments, the C-shaped frame 1 further comprises a connecting plate connected between the upper side plate and the lower side plate and located on the same side of the upper side plate and the lower side plate, wherein the upper side plate, the lower side plate and the connecting plate are configured as an integrated structure. The handle 4 sets up to the sphere, and handle 4 connects on the connecting plate and keep away from one side of top plate and lower plate, and specifically, handle 4 connects in the middle part of connecting plate to it holds the control to be convenient for the user. Of course, the handle 4 may also be rectangular or ring-shaped in the shape of a lamp.

It should be noted that the terms "first," "second," "third," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element from another or function. The expressions "upper", "lower", "left" and "right" as used herein refer to the edger in the state shown in FIG. 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. The edge grinding device is characterized by comprising a C-shaped frame (1), hand guard structures connected to two side edges of the C-shaped frame (1), grinding discs (5) located on the inner side of the C-shaped frame (1), and a handle (4) located on the back side of the C-shaped frame (1), wherein each hand guard structure comprises a protective plate (2) hinged to the side edge of the C-shaped frame (1) and a pulley (3) arranged on the protective plate (2) and far away from one side of the C-shaped frame (1), the axial direction of the pulley (3) is perpendicular to the rotating shaft of the protective plate (2), and a limiting part used for limiting the protective plate (2) to rotate is arranged on the C-shaped frame (1); two sides of the abrasive disc (5) are respectively detachably connected to two opposite side walls of the C-shaped frame (1) so that the abrasive disc (5) is parallel to the rotating shaft of the protective plate (2).

2. An edge grinder as claimed in claim 1, characterised in that the guard plate (2) is L-shaped and has a first strip-shaped plate (21) and a second strip-shaped plate (22) perpendicular to each other, the first strip-shaped plate (21) being hinged to the C-shaped frame (1) and the second strip-shaped plate (22) extending towards the outside of the opening of the C-shaped frame (1), the pulley (3) being arranged on the second strip-shaped plate (22) on the side remote from the first strip-shaped plate (21) and the radius of the pulley (3) being greater than the distance of the first strip-shaped plate (21) from the axis of rotation of the pulley (3).

3. An edger according to claim 2, wherein the pulleys (3) are provided in at least two and are evenly arranged in the extension direction of the second strip (22).

4. Edge grinder as claimed in claim 2, characterised in that the first strip (21) is hinged to the C-shaped frame (1) by means of a hinge (8).

5. Edge grinder according to claim 1, characterized in that the grinding plate (5) is provided with a plurality of plates and is arranged side by side inside the C-shaped frame (1).

6. The edge grinder according to claim 1, wherein the C-shaped frame (1) comprises an upper side plate and a lower side plate which are arranged side by side, the upper side plate is provided with an insertion hole (6) for inserting the grinding sheet (5), the lower side plate is provided with a clamping groove for embedding the grinding sheet (5) on one side facing the upper side plate, and the width of the grinding sheet (5) is larger than the distance between the upper side plate and the lower side plate.

7. The edger of claim 6, wherein the stop comprises a stop plate (7) arranged on the outside of the upper and lower side plates, the stop plate (7) abutting against the side of the apron (2) and limiting the rotation of the apron (2) when the stop plate (7) is displaced to the first position.

8. An edge grinder as claimed in claim 7, wherein the blocking plate (7) is rotatably connected to the upper and lower side plates, respectively, by a pin and can be rotated to the first position centering on the pin.

9. The edge grinder of claim 8, wherein the baffle (7) is arranged in a semicircular shape, and the pin is connected to the center of the baffle (7).

10. An edge grinder as claimed in claim 6, wherein the C-shaped frame (1) further comprises a connecting plate connected to the same side of the upper and lower side plates, the handle (4) being spherical and being connected to the side of the connecting plate remote from the upper and lower side plates.