Abrasive paper fixing and grinding tool capable of replacing abrasive paper

Abstract

The utility model provides an abrasive paper fixing and polishing tool capable of replacing abrasive paper, which comprises a base, two ends of the base are respectively provided with a locking device, and the replaceable abrasive paper is clamped on the base by the locking devices. The abrasive paper can be tightly fixed on the bottom surface of the base by using the locking device and is not easy to deviate, so that the abrasive paper can be flatly used for polishing a workpiece, and the polishing precision is higher. The abrasive paper is very convenient to replace, and in the using process, the locking device can grasp the grinding material tightly attached to the bottom face of the base, so that the grinding material can be flatly used for grinding a workpiece, the grinding effect is better, and the efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing equipment technical field especially a sand paper fixed polishing tool of replaceable sand paper. BACKGROUND

[0002] Abrasive media are commonly used for polishing, refining the surface of workpieces to meet a variety of needs, such as common sandpaper. When polishing with sandpaper, the sandpaper is usually repeatedly moved back and forth on the surface of the workpiece manually or mechanically to remove uneven small protrusions, achieving the accuracy or flatness of the workpiece. Polishing is a time-consuming and laborious work, especially manual polishing. In the prior art, the sandpaper is fixed on the polishing tool, and the polishing tool is moved back and forth on the surface of the workpiece to achieve the polishing effect. However, because the abrasive material is continuously worn out during the polishing process, the sandpaper needs to be replaced after multiple uses. Replacing the sandpaper fixed on the polishing tool is time-consuming and laborious, and the work efficiency is low. Moreover, after multiple replacements, the polishing tool and the sandpaper at the fixed position may not fit tightly, affecting the polishing effect. SUMMARY

[0003] The utility model discloses a sand paper fixed polishing tool of replaceable sand paper, which can effectively solve the problem of low precision of the original polishing tool and inconvenient sandpaper replacement, and can greatly reduce the labor intensity of operation.

[0004] According to the utility model, a sand paper fixed polishing tool of replaceable sand paper is provided, which includes a base, and a locking device is arranged at each end of the base to clamp the replaceable sand paper on the base.

[0005] Further, a handle is fixed on the base.

[0006] Further, the handle is in a crank structure, and the two ends of the handle are fixedly connected with the upper surface of the base.

[0007] Further, the handle is located between the two locking devices.

[0008] Further, the outer side of the handle is covered with an anti-skid layer.

[0009] Further, the anti-skid layer is made of rubber or silicone.

[0010] Further, the locking device comprises a locking fixing part, locking serrations, a locking spring and a locking pull rod, the locking fixing part is fixed on the base, the locking serrations and the locking pull rod are respectively arranged on two sides of the locking fixing part, the locking serrations are arranged on the side close to the side wall of the base, and the serrations of the locking serrations can be pressed on the side wall of the base.

[0011] Further, the locking serrations and the locking pull rod are connected through a connecting shaft, the connecting shaft penetrates the locking fixing part, the locking spring is arranged between the locking fixing part and the locking serrations, and the locking spring is sleeved on the connecting shaft.

[0012] Further, the base is made of aluminum alloy or engineering plastic.

[0013] Further, the lower surface of the base is uniformly provided with a plurality of anti-skid particles, and the surface of the anti-skid particles is provided with a silica gel anti-skid layer.

[0014] The technical scheme of the utility model discloses a locking device can tightly fix the sandpaper on the bottom surface of the base, and the sandpaper can be used for polishing workpieces flatly, and the polishing precision is higher. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Fig. 1 It is a structural schematic view of the embodiment of the utility model;

[0017] Fig. 2 It is a structural schematic view of the locking device of the embodiment of the utility model.

[0018] In the drawing: 1, base;2, handle;3, locking device;

[0019] 301, locking serrations;302, locking spring;303, locking fixing part;304, locking pull rod. DETAILED DESCRIPTION

[0020] The technical solutions of the present application will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0021] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0022] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connecting", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Embodiment 1

[0024] As Figs. 1-2 shown:

[0025] A replaceable sandpaper fixing and polishing tool, comprising a base 1 and a handle 2 fixed on the base 1, and a locking device 3 is arranged at each end of the base 1, the locking device 3 is used for movably clamping the replaceable sanding material on the bottom surface of the base 1, and the base 1 and the sanding material (sandpaper) attached to the bottom of the base 1 are driven by the handle 2 to polish the surface of the workpiece.

[0026] In this embodiment, the base 1 is made of aluminum alloy or engineering plastic, and the lower surface of the base 1 is uniformly provided with a plurality of anti-skid particles, and the surface of the anti-skid particles is provided with a silica gel anti-skid layer.

[0027] The handle 2 is located between the two locking devices 3, wherein the handle 2 is a crank, which is not only beautiful and generous, but also convenient to hold and force.

[0028] The locking device 3 comprises a locking fixing part 303, locking sawtooth pieces 301, locking springs 302 and locking pull rods 304, the locking fixing part 303 is fixed on the base 1, the locking sawtooth pieces 301 and the locking pull rods 304 are arranged on the two sides of the locking fixing part 303 respectively, the locking sawtooth pieces 301 are arranged on the side close to the side wall of the base 1, and the sawtooth of the locking sawtooth pieces 301 can be pressed on the side wall of the base 1.

[0029] The locking sawtooth pieces 301 and the locking pull rods 304 are connected through connecting shafts, the connecting shafts penetrate through the locking fixing part 303, the locking springs 302 are arranged between the locking fixing part 303 and the locking sawtooth pieces 301, and the locking springs 302 are sleeved on the connecting shafts.

[0030] When the locking device is used, the locking pull rod 304 on one side of the handle 2 is pulled, the locking pull rod 304 drives the locking sawtooth pieces 301 to move away from the side wall of the base 1 through the connecting shafts, and the locking springs 302 are compressed at the same time; at this time, the locking sawtooth pieces 301 and the side wall of the base 1 are in an open state, the sandpaper is placed on the bottom of the base 1 with the sanding surface downward, the two sides of the sandpaper are respectively wound around the two sides of the base 1, and the two sides of the sandpaper are placed between the base 1 and the corresponding locking sawtooth pieces 301, at this time, the locking pull rod 304 is loosened, the locking springs 302 automatically restore the original state, and drive the locking sawtooth pieces 301 to move to fix the two ends of the sandpaper on the side wall of the base 1 on the corresponding side.

[0031] In use, the sandpaper is cut to a size similar to that of the base 1, the locking pull rod 304 is pulled, the locking sawtooth pieces 301 are opened, and one end of the sandpaper is clamped into the recess at the locking sawtooth pieces 301 and the base 1; the locking pull rod 304 is loosened, and one end of the sandpaper is clamped. The other end of the locking pull rod 304 is pulled again, the locking spring 302 is compressed, the other end of the locking sawtooth piece 301 is opened, the other end of the sandpaper is clamped into the recess at the other end of the locking sawtooth piece 301 and the base 1, and the clamping operation of the sandpaper is completed.

[0032] The locking device can tightly fix the sandpaper on the bottom surface of the base, is not easy to deviate, and can be used for polishing workpieces flatly, so that the polishing precision is higher. The sandpaper is very convenient to replace, and in the use process, the locking device can tightly hold the sanding material on the bottom surface of the base, so that the sanding material can be used for polishing workpieces flatly, the polishing effect is better, and the efficiency is higher.

[0033] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A sandpaper-fixing polishing tool with replaceable sandpaper, characterized in that, The device includes a base, with a locking device at each end to clamp a replaceable piece of sandpaper onto the base. The locking device comprises a locking fastener, a locking serrated blade, a locking spring, and a locking lever. The locking fastener is fixed to the base. The locking serrated blade and the locking lever are respectively located on opposite sides of the locking fastener. The locking serrated blade is located near the side wall of the base, and its teeth can press against the side wall of the base. The locking serrated blade and the locking lever are connected by a connecting shaft that passes through the locking fastener. The locking spring is located between the locking fastener and the locking serrated blade and is sleeved on the connecting shaft.

2. The replaceable sandpaper sanding tool according to claim 1, characterized in that, A handle is fixed to the base.

3. The replaceable sandpaper sanding tool according to claim 2, characterized in that, The handle is a crank structure, and both ends of the handle are fixedly connected to the upper surface of the base.

4. The replaceable sandpaper sanding tool according to claim 2, characterized in that, The handle is located between the two locking devices.

5. The replaceable sandpaper sanding tool according to claim 2, characterized in that, The outer side of the handle is covered with an anti-slip layer.

6. The replaceable sandpaper sanding tool according to claim 5, characterized in that, The anti-slip layer is made of rubber or silicone material.

7. The replaceable sandpaper sanding tool according to claim 1, characterized in that, The base is made of aluminum alloy or engineering plastic.

8. The replaceable sandpaper sanding tool according to claim 1 or 7, characterized in that, The lower surface of the base is evenly provided with a number of anti-slip particles, and the surface of the anti-slip particles is provided with a silicone anti-slip layer.

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