CN216098430U - Laminated sand page disc - Google Patents

Abstract

The utility model discloses a laminated abrasive flap disc, relates to the technical field of grinding tools, and solves the problem that the abrasive flap disc in the prior art has poor grinding effect when the surface of a workpiece to be ground has large fluctuation or the grinding angle is required.

Description

Laminated sand page disc

Technical Field

The utility model relates to the technical field of polishing tools, in particular to a laminated sand page disc.

Background

The abrasive cloth is a kind of abrasive tool, it is made up by attaching abrasive to the bottom (cloth or paper) and then making it into abrasive cloth, the abrasive cloth is also called iron abrasive cloth and gold steel abrasive cloth, the abrasive cloth is made up by using binding agent to uniformly adhere the abrasive material (sand) on the bottom plate made of solid cloth, it is mainly used for polishing rust, paint or burr on the surface of metal workpiece and polishing surface, also can be used for polishing non-metal material of bone product, etc.

The sand page disc is further developed according to the abrasive cloth, the sand page disc is manufactured by cutting the abrasive cloth into pieces, and then bonding the pieces on covers made of various materials by using a bonding agent, the covers are generally made of one of paper, glass fiber, plastics and iron or a combination of the paper, the glass fiber, the plastics and the iron, however, the covers are generally coated with glue on the back of the wheel once again when in use and are cured for 1-2 hours again to achieve a good practical effect, but the following problems exist in the above mode, the covers made of the glass fiber and the plastics cannot be recycled, and the difficulty in processing the remnants is large; the paper is disposable but has poor moisture resistance and water resistance; iron can be recycled, but the cost for cleaning the adhesive on the iron is high, and the product is heavy and inelastic in the using and transporting processes and is easy to damage workpieces.

The traditional sand page disc is consistent in size and is covered and bonded, so that the flat sand surface at the outermost layer does not have a proper initial grinding angle, and particularly, the flat sand surface is poor in grinding effect for some workpieces with large surface fluctuation or grinding angle requirements.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a laminated sand page disc, and aims to solve the problem that the prior art has poor grinding effect when the surface of a workpiece to be ground has large fluctuation or the grinding angle is required.

The technical scheme adopted by the utility model is as follows:

the utility model provides a range upon range of emery paper dish, includes a plurality of emery cloth disk, and the emery cloth disk is range upon range of and coaxial coupling, and the diameter of emery cloth disk reduces along range upon range of direction of placing in proper order.

Optionally, the center of the abrasive cloth wafer is provided with a center hole.

Optionally, the first face of each sheet of abrasive cloth is bonded to the second face of the sheet of abrasive cloth adjacent to that face, and the second face of each sheet of abrasive cloth is bonded to the first face of the sheet of abrasive cloth adjacent to that face.

Optionally, the abrasive cloth discs are connected by thread stitching.

Optionally, the abrasive cloth disc is riveted through a central hole.

Optionally, the abrasive paper disc further comprises a shaft sleeve, and the abrasive cloth disc is sleeved on the shaft sleeve through the central hole.

Optionally, a clamping groove is formed in the middle of the abrasive cloth wafer, and a clamping block matched with the clamping groove in shape is arranged on the outer wall of the shaft sleeve.

Optionally, the number of the clamping grooves is three, and the three clamping grooves are distributed in an annular array around the axis of the central hole.

Optionally, the number of abrasive cloth discs is 3-10.

Compared with the prior art, the beneficial effects of this application are:

according to the laminated abrasive leaf disc provided by the embodiment of the utility model, the plurality of abrasive cloth circular sheets are directly laminated and connected, so that the sand surface of the abrasive leaf disc forms a step surface by the abrasive cloth circular sheets with different sizes, the roughness of the sand surface of the abrasive leaf disc is improved, the roughness is equal to a certain angle formed by the sand surface and the surface of a workpiece to be polished, the initial polishing is facilitated, particularly when the workpiece to be polished has large surface fluctuation, the polishing effect can be improved, the regular laminated connection is realized, the sand surface is changed into a structure similar to a boss, the inward inclination angles of the periphery of the sand surface are the same and uniform, when the workpiece to be polished has the polishing angle requirement, the adjustment of the abrasive leaf disc can be reduced, the abrasive face can be attached to the surface of the workpiece to meet the polishing requirement, and the polishing effect is improved.

Drawings

Fig. 1 is a schematic view of a stacking structure of a stacked sand page tray according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an explosive structure of a laminated sand tray according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a shaft sleeve provided with a fixture block in a laminated sand page disc according to an embodiment of the present invention;

reference numerals in the drawings indicate:

10-abrasive cloth round piece, 101-center hole, 102-clamping groove, 11-shaft sleeve and 111-clamping block.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Referring to fig. 1-3, embodiments of the present invention provide a laminated abrasive leaf disc comprising a plurality of abrasive cloth discs 10, the abrasive cloth discs 10 being arranged in a stack and coaxially connected, the diameter of the abrasive cloth discs 10 decreasing in the direction of the stack.

In this embodiment, reach the intensity that uses as the abrasive paper disc through a plurality of abrasive cloth disk 10 of range upon range of placing and connecting, and range upon range of diameter of abrasive cloth disk 10 steadilys decrease in proper order, make the sand face of the abrasive paper disc that the combination formed form step-like class boss structure, the roughness of the surface of sand has been increased on the one hand, when treating the work piece of polishing to the surface fluctuation is great, the sand face that roughness is bigger can carry out the originated polishing better, make can spend the originated polishing fast and enter into conventional polishing stage, on the other hand sand face forms the slope that is outwards evenly spread by the center, when treating the work piece of polishing to having the angle of polishing demand, if polish inclined plane, during operations such as chamfer, can reduce the adjustment of abrasive paper disc, the sand face self can be fine laminating work piece surface polish promptly, the effect of polishing has been promoted.

In the attached drawing 1, in order to show the whole structure conveniently, the thickness of the abrasive cloth wafer 10 is slightly enlarged, when the abrasive cloth wafer is actually used, the thickness of the abrasive cloth wafer 10 is thin, the step shape formed by stacking is not obvious, but is more fit with the circular table shape, the number of stacked abrasive cloth wafers 10, the thickness of each abrasive cloth wafer 10 and the size reduction value of the abrasive cloth wafer 10 are changed, so that the slopes of the circular tables of the abrasive surface are different, different polishing requirements can be met, additional parts such as trays and covers do not exist, the quality of the abrasive page disc is reduced, the abrasive page disc is convenient to transport, the polishing loss is reduced until the abrasive cloth disc cannot be used, and the final residual body is only left to be stacked and connected together, so that common solid waste treatment can be carried out.

In an embodiment, as shown in fig. 1 and 2, the center of each abrasive cloth disk 10 is provided with a center hole 101, the center holes 101 are arranged to avoid subsequent drilling, the center holes 101 are pre-arranged, the abrasive cloth disks 10 can be positioned and connected according to the center holes 101 and can be aligned and installed, in addition, a plurality of axial through holes can be arranged on the abrasive cloth disks 10, after the abrasive cloth disks 10 are laminated together, the axes of the through holes coincide, and the through holes can absorb dust and powder generated in the machining process in time when polishing machining is performed, so that the machining precision is improved, dust and powder flying is reduced, the environmental protection performance is good, and the working environment is improved.

In one embodiment, as shown in fig. 1 and 2, a connection manner of the emery cloth discs 10 placed in a stacked manner is provided, specifically, a first surface, namely a sand surface, of each emery cloth disc 10 is bonded with a second surface, namely a back surface, of the emery cloth disc 10 adjacent to the sand surface, a second surface of each emery cloth disc 10 is bonded with the first surface of the emery cloth disc 10 adjacent to the sand surface, the emery cloth disc in the present invention uses steel paper as a base body, uses silicon carbide or corundum as an abrasive, and can form a disc-shaped coated abrasive tool through bonding by a bonding agent, the bonding agent further includes auxiliary components such as a solvent, a curing agent, a toughening agent, a preservative, a coloring agent, a defoaming agent and the like besides a sizing agent, the bonding agent further includes synthetic resin, rubber and paint, because the linear rotation speed during grinding can reach 100 and 130 m/s, the bonding is performed by using a high bonding strength bonding agent, such as pseudo-curing and high-bonding-strength epoxy resin adhesives or curable polyurethane adhesives, which are thermosetting, and are combined with curing treatment in the process of manufacturing the sand shale disc, so that the sand shale disc formed by bonding can adapt to grinding workpieces in a high-speed and high-load state.

In one embodiment, another connecting mode of the sandcloth circular sheets 10 which are arranged in a stacked mode is provided, the sandcloth circular sheets 10 are connected through thread sewing, the sewing thread in the connecting mode needs to be a thread with high strength, and the stitches during sewing are compact, so that the connecting strength can meet the polishing requirement.

In one embodiment, a stable and tight riveting connection mode is provided for the abrasive cloth discs 10 which are stacked, riveting has the advantages of simple process equipment, shock resistance, impact resistance, firmness, reliability and the like, specifically, the abrasive cloth discs 10 are riveted through the central hole 101, rivets are inserted into the central hole 101, the middle abrasive cloth disc 10 is pressed and fixed through limiting and fixing of rivet heads, rivet heads and the like at two ends, and the abrasive cloth disc with high strength, firmness and impact resistance is suitable for long-term impact grinding work.

The attachment embodiments of the sandcloth discs 10 placed one on top of the other, shown in the examples, can be implemented individually, or in combination, such as by riveting after bonding to achieve a more stable attachment, or by sewing with a thread after riveting to further stabilize them.

In an embodiment, as shown in fig. 2 and 3, in order to facilitate connection between the abrasive disc and the driving device, generally, the driving device is a pneumatic or electric tool, and is provided with a rotating driving shaft, in order to facilitate connection between the driving shaft and the abrasive disc, a shaft sleeve 11 is added to the abrasive disc, the abrasive cloth disc 10 is sleeved on the shaft sleeve 11 through a central hole 101, and through interference fit between the shaft sleeve 11 and the driving shaft, power of the driving shaft can be transmitted to the abrasive disc to achieve rotary grinding, further, an internal thread can be provided on the shaft sleeve 11, and through threaded connection between the internal thread and the driving shaft, disassembly can be facilitated, at this time, it should be noted that a rotation direction of the driving shaft should be a tightening direction of threaded fit with the shaft sleeve 11.

Further, in order to increase the stability of connecting the drive shaft, can all overlap at the both ends of axle sleeve 11 and establish the ring flange, there is the punchhole on the ring flange, the bolt makes two ring flanges tight, it is sealed with the liner between the ring flange, the ring flange is a disk part, it is most common in connecting the mounting, the ring flange all uses in pairs, end department at the axle sleeve, each installation a slice ring flange, add sealed pad between two ring flanges, then it can be swift to pass through the ring flange with the bolt-up, stable connecting sleeve 11 and drive shaft, make the security of polishing promote, the effect of polishing also promotes thereupon.

In an embodiment, as shown in fig. 2, since the sections of the emery cloth wafer 10 and the shaft sleeve 11 are circular, and the grinding process is usually performed in a high-speed rotation, in order to avoid the loose connection state between the emery cloth wafer 10 and the shaft sleeve 11, the middle part of the emery cloth wafer 10 is provided with the clamping groove 102, the outer wall of the shaft sleeve 11 is provided with the clamping block 111 of which the shape is matched with that of the clamping groove 102, through the matching between the clamping groove 102 and the clamping block 111, the rotation between the emery cloth wafer and the clamping block is avoided, the connection tightness is maintained, and the use safety is considered while the grinding effect is improved.

Furthermore, the matching tightness of the shaft sleeve 11 and the abrasive cloth wafer 10 is improved by changing the number of the clamping grooves 102, the clamping grooves 102 are arranged in a plurality, the clamping grooves 102 are distributed in an annular array around the axis of the central hole 101, good mechanical properties are guaranteed, the clamping grooves can be uniformly dispersed when stressed, the service life is prolonged, 2-4 clamping grooves 102 are preferably arranged, and as shown in the structural schematic diagram of the figure 2, when two clamping grooves 102 are symmetrically arranged, the clamping grooves 102 are selected to be 3, good limiting capacity can be guaranteed while low processing difficulty is guaranteed, the clamping grooves 102 are symmetrical about the axis center of the central hole 101, the number and the shape of the clamping blocks 111 are consistent with the clamping grooves 102, the clamping grooves 102 can be communicated with the central hole 101, and the clamping blocks 111 and the shaft sleeve 11 can be integrally formed conveniently.

In one embodiment, the number of the abrasive cloth discs 10 is limited to 3-10, so that the strength requirement and the cost are considered on the premise that the combined abrasive disc is light in weight, the abrasive disc combined in the number range can meet most working conditions, the 3-10 abrasive discs can be processed simply and quickly during stacking connection, and other special processing size requirements can be customized according to actual conditions.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (9)

1. The laminated abrasive paper disc is characterized by comprising a plurality of abrasive cloth circular discs, wherein the abrasive cloth circular discs are arranged in a laminated mode and are coaxially connected, and the diameters of the abrasive cloth circular discs are sequentially reduced along the direction of the laminated mode.

2. A laminated abrasive leaf disc as claimed in claim 1, wherein the abrasive cloth discs are each centrally apertured.

3. A laminated abrasive leaf disc as claimed in claim 1, wherein a first face of each of the abrasive cloth discs is bonded to a second face of the abrasive cloth disc adjacent thereto, and wherein a second face of each of the abrasive cloth discs is bonded to the first face of the abrasive cloth disc adjacent thereto.

4. A laminated abrasive leaf disc as claimed in claim 1, wherein the discs of abrasive cloth are connected by thread stitching.

5. A laminated abrasive leaf disc as claimed in claim 2, wherein the abrasive cloth disc is riveted through the centre hole.

6. A laminated abrasive leaf disc as claimed in claim 2, further comprising a sleeve over which the abrasive cloth disc is sleeved through the central aperture.

7. The laminated abrasive leaf disc of claim 6, wherein a clamping groove is formed in the middle of the abrasive cloth disc, and clamping blocks matched with the clamping groove in shape are arranged on the outer wall of the shaft sleeve.

8. A laminated abrasive leaf disc as claimed in claim 7, wherein there are three said slots arranged in an annular array about the axis of the central bore.

9. A laminated abrasive leaf disc as claimed in any one of claims 1 to 8, wherein the number of abrasive cloth discs is 3-10.

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