Multifunctional sanding machine

Abstract

The utility model discloses a multifunctional sanding machine which comprises a sanding machine body, a transmission shaft is arranged at one end of the sanding machine, a protective cover is arranged on the outer side of the transmission shaft, an installation plate body is arranged at the bottom end of the transmission shaft, abrasive paper is arranged at the bottom end of the installation plate body, and a fixing mechanism is arranged between the abrasive paper and the installation plate body. A connecting plate on the outer side of the abrasive paper is fixed into a fixing plate, a clamping block in the fixing plate is arranged in a groove, the fixing plate makes contact with the abrasive paper, the abrasive paper can be preliminarily fixed, when the fixing plate is installed, a limiting plate is squeezed, meanwhile, a telescopic spring shrinks, and the abrasive paper is fixed through the resilience force effect of the spring. And the abrasive paper can be fixed between the limiting plate and the fixing plate, and the fixing effect on the abrasive paper can be further enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sanding machine technical field, specifically, relate to a multifunctional sanding machine. BACKGROUND

[0002] In the field of woodworking, metal processing and plastic processing, sanding machine as the important equipment of surface treatment is widely used in removing burr, unevenness and scratch on the surface of material to achieve the smoothness and glossiness, and its basic structure is that the motor with vertical output shaft is arranged at the front end of the shell, and the polishing bottom plate is rotated by the motor.

[0003] However, the existing sanding machine has many deficiencies in the fixing mode of sandpaper, which not only affects the work efficiency, but also increases the operation difficulty and cost. Specifically, the traditional sanding machine mostly uses bonding or bolt fixing mode to install the sandpaper. The bonding mode usually involves smearing glue on the surface of the sanding disc, and then pasting the sandpaper. The fixing is completed after the glue is dried. Although this method is simple, it has the following defects: first, the glue drying needs a certain time, which increases the waiting time and reduces the work efficiency; second, the amount of glue is difficult to accurately control, too much glue can cause the sandpaper to deform, and too little glue can cause the sandpaper to be fixed insecurely, which affects the sanding effect. Although the bolt fixing mode is firm, it also has many problems. The bolt installation needs the help of tools, which increases the installation difficulty and complexity; at the same time, the bolt fixing point can cause local pressure on the sandpaper, which leads to uneven wear of the sandpaper and affects the sanding quality. In view of the problems in the related art, no effective solution has been proposed so far. SUMMARY

[0004] In view of the problems in the related art, the utility model provides a multifunctional sanding machine to overcome the above technical problems existing in the prior art.

[0005] Therefore, the utility model adopts the specific technical scheme as follows:

[0006] A multifunctional sanding machine, comprising a sanding machine main body, a transmission shaft is arranged at one end of the sanding machine main body, a protective cover is arranged outside the transmission shaft, an installation plate body is arranged at the bottom end of the transmission shaft, a sandpaper is arranged at the bottom end of the installation plate body, and a fixing mechanism is arranged between the sandpaper and the installation plate body.

[0007] Further, in order to fix the sandpaper and facilitate the replacement of the sandpaper, the fixing mechanism comprises a connecting plate fixed to the outer side of the sandpaper, the number of the connecting plates is four, an opening is arranged on the connecting plate, a fixed plate is arranged outside the installation plate body, a fixed groove is arranged on one side of the fixed plate, a clamping block is arranged in the fixed groove, the number of the clamping blocks is two, a first spring is arranged between the two clamping blocks, a recess is arranged in the installation plate body, and the fixed groove and the recess are matched.

[0008] Further, in order to ensure the stability of the card block movement, the card block is provided with a moving plate, the moving plate is internally connected with a fixed rod, and the fixed rod is connected with the fixed groove at both ends.

[0009] Further, in order to further strengthen the fixing effect of the sandpaper, the installation plate body is provided with a limiting groove, the second spring is arranged in the limiting groove, one end of the second spring is fixedly connected with the installation plate body, and the other end is fixedly connected with the limiting plate.

[0010] Further, in order to facilitate the installation and dismounting of the installation plate body, the bottom end of the transmission shaft is fixedly provided with a screw rod, and the installation plate body is connected with the screw rod through a nut.

[0011] Further, in order to be able to install the grinding wheel, the screw rod can be connected with the grinding wheel through a nut, and the grinding wheel is provided with an installation groove in the middle, and the nut is arranged in the installation groove.

[0012] Further, in order to provide an additional stress point, the operator can apply force to the sander at multiple points, and the user can work conveniently, and the front end of the sander body is provided with a threaded hole, the threaded hole is internally and threadedly connected with a threaded rod, and one end of the threaded rod is fixedly connected with the handle.

[0013] The beneficial effects of the utility model are:

[0014] (1), by setting the fixed mechanism, the connecting plate outside the sandpaper is fixed in the fixed plate, the card block in the fixed plate is placed in the groove, the fixed plate is in contact with the sandpaper, the sandpaper can be preliminarily fixed, and when the fixed plate is installed, the limiting plate is extruded, and the extension spring is retracted, the spring rebound force can fix the sandpaper between the limiting plate and the fixed plate, and the fixing effect of the sandpaper can be further strengthened.

[0015] (2), by setting the handle, an additional stress point can be provided for the operator, so that the operator can apply force to the sander at multiple points, and the user can work conveniently. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a front view of a multifunctional sander according to the utility model embodiment.

[0018] Figure 2It is a multifunctional sander mounting plate body connection diagram according to the embodiment of the utility model.

[0019] Figure 3 It is a multifunctional sander grinding wheel connection diagram according to the embodiment of the utility model.

[0020] Figure 4 It is a multifunctional sander fixed plate internal plan view according to the embodiment of the utility model.

[0021] Figure 5 It is a multifunctional sander sandpaper structure diagram according to the embodiment of the utility model.

[0022] In the drawing,

[0023] 1, sander main body;2, transmission shaft;3, protective cover;4, sandpaper;5, fixed mechanism;501, connecting plate;502, opening;503, fixed plate;504, fixed groove;505, clamping block;506, first spring;507, recess;6, moving plate;7, fixed rod;8, limit groove;9, second spring;10, limit plate;11, screw;12, mounting groove;13, nut;14, grinding wheel;15, threaded hole;16, threaded rod;17, handle;18, mounting plate body. Specific implementation

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] According to the embodiment of the utility model, a multifunctional sander is provided.

[0026] Embodiment one

[0027] As Figures 1-5As shown, according to the multifunctional sander of the embodiment of the utility model, including sander main part 1, sander one end is equipped with transmission shaft 2, transmission shaft 2 outside is equipped with protective cover 3, transmission shaft 2 bottom is equipped with mounting plate body 18, mounting plate body 18 bottom is equipped with sandpaper 4, sandpaper 4 with mounting plate body 18 between be equipped with fixed mechanism 5, fixed mechanism 5 includes the connecting plate 501 fixed in sandpaper 4 outside, the number of connecting plate 501 is four, connecting plate 501 material and sandpaper 4 material are same, be equipped with opening 502 on connecting plate 501, mounting plate body 18 outside is equipped with fixed plate 503, fixed plate 503 one side is equipped with fixed groove 504, fixed groove 504 inside is equipped with clamping block 505, the number of clamping block 505 is two, between two clamping block 505 be equipped with first spring 506, mounting plate body 18 inside is equipped with recess 507, fixed groove 504 and recess 507 are matched, clamping block 505 one side is equipped with moving plate 6, moving plate 6 inside is connected with fixed rod 7 and penetrates, fixed rod 7 both ends are connected with fixed groove 504, through setting moving plate 6, the operator is moved to the position of clamping block 505 conveniently, to be able to dismantle fixed plate 503, and through setting fixed rod 7, can guarantee the stability of moving plate 6 movement, to be able to guarantee the stability of clamping block 505 movement, mounting plate body 18 is equipped with limit slot 8, limit slot 8 inside is equipped with second spring 9, second spring 9 one end is fixedly connected with mounting plate body 18, the other end is fixedly connected with limit plate 10, through setting second spring 9 and limit plate 10, can strengthen the fixed effect of sandpaper 4, transmission shaft 2 bottom is fixed with screw rod 11, mounting plate body 18 and screw rod 11 are connected through nut 13, through setting nut 13 and screw rod 11, the mounting plate body 18 is dismantled conveniently, screw rod 11 can be connected with grinding wheel 14 through nut 13, grinding wheel 14 middle is equipped with installation slot 12, nut 13 is placed in installation slot 12 inside, grinding wheel 14 installation mode and mounting plate body 18 installation mode are identical, conveniently through the mounting plate body 18 is dismantled and is installed grinding wheel 14, enhance the use of this sander, sander main part 1 front end is equipped with threaded hole 15, threaded hole 15 inside is screw connected with threaded rod 16, threaded rod 16 one end is fixedly connected with handle 17, through setting threaded hole 15, handle 17 is installed and dismantled conveniently.

[0028] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail.

[0029] In actual application, the screw 11 passes through the installation groove 12, the nut 13 is connected with the screw 11, the installation plate body 18 can be installed, the sanding machine body is started, the material can be processed through the rotation of the sandpaper 4, when the sandpaper 4 needs to be replaced after long-term use, the four fixing plates 503 can be removed respectively, the moving plate 6 is moved, the clamping block 505 is retracted into the fixed groove 504, so that the fixing plate 503 can be disassembled, the fixing effect of the sandpaper 4 is invalid, so that the sandpaper 4 can be disassembled, when the sandpaper 4 needs to be installed again, the connecting plate 501 is bent, the opening 502 on the connecting plate 501 is arranged outside the recess 507, then the moving plate 6 is pressed, the clamping block 505 is retracted into the fixed groove 504 again, the fixed groove 504 can pass through the opening 502 and be arranged in the recess 507, the moving plate 6 is loosened, under the action of the first spring 506, the clamping block 505 is arranged in the recess 507, the fixing plate 503 can be fixed, the fixing plate 503 is abutted with the sandpaper 4, the fixing plate 503 can be fixed, and the sandpaper 4 is fixed between the fixing plate 503 and the limiting plate 10, the fixing effect of the sandpaper 4 can be enhanced.

[0030] In summary, by means of the above technical scheme of the utility model, by setting the fixing mechanism 5, the connecting plate 501 outside the sandpaper 4 is fixed in the fixing plate 503, the clamping block 505 in the fixing plate 503 is arranged in the recess 507, the fixing plate 503 is in contact with the sandpaper 4, the sandpaper 4 can be preliminarily fixed, when the fixing plate 503 is installed, the limiting plate 10 is extruded, and the second spring 9 is retracted, under the action of the spring rebound force, the sandpaper 4 can be fixed between the limiting plate 10 and the fixing plate 503, the fixing effect of the sandpaper 4 can be further enhanced, and by setting the handle 17, an additional stress point is provided for the operator, the operator can apply force to the sander from multiple points, and the user can work conveniently.

[0031] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A multifunctional sander characterized by comprising: Including the sander main body (1), one end of the sander is provided with a transmission shaft (2), the outer side of the transmission shaft (2) is provided with a protective cover (3), the bottom end of the transmission shaft (2) is provided with a mounting plate body (18), the bottom end of the mounting plate body (18) is provided with sandpaper (4), and the sandpaper (4) and the mounting plate body (18) are provided with a fixing mechanism (5).

2. The multifunctional sander according to claim 1, characterized in that, The fixing mechanism (5) comprises a connecting plate (501) fixed to the outer side of the sandpaper (4), the number of the connecting plate (501) is four, the connecting plate (501) is provided with an opening (502), the outer side of the mounting plate body (18) is provided with a fixed plate (503), one side of the fixed plate (503) is provided with a fixed groove (504), the fixed groove (504) is provided with a clamping block (505) inside, the number of the clamping block (505) is two, a first spring (506) is arranged between the two clamping blocks (505), and the mounting plate body (18) is provided with a groove (507) inside.

3. The multi-functional sander according to claim 2, wherein One side of the clamping block (505) is provided with a moving plate (6), the moving plate (6) is provided with a fixed rod (7) penetratingly connected inside, and the fixed rod (7) is connected with the fixed groove (504) at both ends.

4. The multi-functional sander according to claim 1, wherein The mounting plate body (18) is provided with a limiting groove (8), the limiting groove (8) is provided with a second spring (9) inside, one end of the second spring (9) is fixedly connected with the mounting plate body (18), and the other end is fixedly connected with a limiting plate (10).

5. The multi-functional sander according to claim 1, wherein The bottom end of the transmission shaft (2) is fixedly connected with a screw rod (11), and the mounting plate body (18) and the screw rod (11) are connected through a nut (13).

6. The multi-functional sander according to claim 5, wherein The screw rod (11) can be connected with a grinding wheel (14) through the nut (13), the grinding wheel (14) is provided with a mounting groove (12) in the middle, and the nut (13) is arranged in the mounting groove (12).

7. The multi-functional sander according to claim 1, wherein The front end of the sander main body (1) is provided with a threaded hole (15), the threaded hole (15) is screw-connected with a threaded rod (16) inside, and one end of the threaded rod (16) is fixedly connected with a handle (17).

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