Disclosure of utility model
The utility model aims to solve the defects and provide a polishing sand paper replacing device;
In order to achieve the aim, the utility model provides a polishing sand paper replacing device which comprises a sand paper replacing device main body, wherein a pressing component is arranged in the sand paper replacing device main body and used for limiting the displacement of polishing sand paper, and the pressing component comprises a trapezoid block and a sliding rod.
As the further improvement of this technical scheme, the inside hollow structure that is of sandpaper changing device main part, sandpaper changing device main part inner wall sliding connection has presses the briquetting, press the trapezoidal piece of sub-surface fixedly connected with, trapezoidal piece both sides symmetry is equipped with the sliding tray, the sliding tray is "T" form, two equal sliding connection of sliding tray inner wall has the slide bar, the slide bar stretches out the tip fixedly connected with fixed plate of sandpaper changing device main part outer wall, fixed plate outside fixedly connected with backup pad.
As a further improvement of the technical scheme, the lower surface of the trapezoid block is fixedly connected with a first spring, and the lower end of the first spring is fixedly connected with the inner cavity of the sand paper replacing device main body.
As a further improvement of the technical scheme, the lower surface of the supporting plate is fixedly connected with a fixing rod, the inner wall of the fixing rod is slidably connected with an inner rod, the lower end of the inner rod is fixedly connected with a pressing plate, the upper surface of the pressing plate is fixedly connected with a second spring, the second spring is movably sleeved on the outer wall of the fixing rod, and the upper end of the second spring is fixedly connected with the lower surface of the supporting plate.
As a further improvement of the technical scheme, the lower surface of the supporting plate is fixedly connected with a bevel board, the inner wall of the bevel board is slidably connected with an inner board, the outer side of the inner board is fixedly connected with the outer side of the pressing board, and the outer wall of the inner board is slidably matched with the inner wall of the bevel board.
Compared with the prior art, the utility model has the beneficial effects that:
In this abrasive paper change device of polishing, when pushing down the press block through the polisher, the slide bar slides in trapezoidal piece both sides, drives backup pad horizontal migration in abrasive paper change device main part top, loosens the fixed to abrasive paper, and first spring resilience drives the backup pad and resets, presses the laminating abrasive paper top of board and extrudees, and the control remaining abrasive paper does not take place the displacement, improves the practicality.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a trapezoid block structure according to the present utility model;
FIG. 3 is a schematic view of a fixing plate structure according to the present utility model;
Fig. 4 is a schematic diagram of the structure of fig. 3a according to the present utility model.
The reference numerals in the figure mean 1, a sand paper replacing device main body, 2, a pressing assembly, 21, a pressing block, 22, a trapezoid block, 221, a sliding groove, 222, a first spring, 23, a sliding rod, 24, a fixing plate, 25, a supporting plate, 26, a fixing rod, 261, an inner rod, 28, a second spring, 27, a pressing plate, 29, an inclined plate, 291 and an inner plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all 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.
The grinding sand paper replacing device is a high-efficiency and intelligent mechanical assembly and is used for automatically replacing sand paper to optimize grinding and polishing processes, provides a high-efficiency, safe and reliable automatic sand paper replacing solution for a grinding and polishing robot, and has obvious advantages in the aspects of improving production efficiency, reducing labor intensity, reducing occupational disease risks and the like through analysis in structural composition, working principle, technical characteristics, application range, prior art comparison, development trend, operation notice, future observation and the like;
Referring to fig. 1-4, the present embodiment provides a polishing sand paper replacing apparatus, including a sand paper replacing apparatus main body 1, wherein a pressing component 2 is provided inside the sand paper replacing apparatus main body 1, the pressing component 2 is used for limiting the displacement of polishing sand paper, the pressing component 2 includes a trapezoid block 22 and a sliding rod 23, the sand paper of the polishing sand paper replacing apparatus is inconvenient to fix the sand paper due to frequent mechanical replacement of the sand paper, the sand paper easily falls from the polishing sand paper replacing apparatus, and displacement may occur during mechanical replacement of the sand paper, resulting in sand paper installation deviation, which affects polishing effect, reducing working efficiency and low practicality, and therefore, the polishing sand paper replacing apparatus is specifically characterized in that the trapezoid block 22 is pressed downwards, the sliding rod 23 is driven to slide on two sides of the trapezoid block 22, the displacement of polishing sand paper above the sand paper replacing apparatus main body 1 is controlled, the sand paper is prevented from falling from the sand paper replacing apparatus main body 1, or deviation exists in installation position, polishing work is affected, and practicability is improved.
The improvement of the embodiment is that:
When the pressing block 21 is pressed down by the polisher, the sliding rods 23 slide on two sides of the trapezoidal blocks 22, the supporting plate 25 is driven to horizontally move above the sand paper replacing device main body 1, the sand paper is fixed, the first springs 222 rebound to drive the supporting plate 25 to reset, the pressing plate 27 is pressed against the sand paper, the rest sand paper is controlled not to be displaced, the sand paper installation displacement is prevented from being biased, and the practicability is improved.
In order to enable the pressing component 2 to press and limit the sand paper, the inside of the sand paper replacing device main body 1 is of a hollow structure, the inner wall of the sand paper replacing device main body 1 is slidably connected with a pressing block 21, the lower surface of the pressing block 21 is fixedly connected with a trapezoidal block 22, two sides of the trapezoidal block 22 are symmetrically provided with sliding grooves 221, the sliding grooves 221 are in a T shape, the inner walls of the two sliding grooves 221 are slidably connected with sliding rods 23, the sliding rods 23 extend out of end parts of the outer wall of the sand paper replacing device main body 1 and are fixedly connected with fixing plates 24, the outer sides of the fixing plates 24 are fixedly connected with supporting plates 25, the pressing block 21 is subjected to pressure downward sliding, the pressing block 21 drives the trapezoidal block 22 below to downwardly squeeze a first spring 222, in the downward movement process of the trapezoidal block 22, the sliding rods 23 on two sides of the trapezoidal block 22 are driven to slide towards the outer wall of the sand paper replacing device main body 1, the fixing plates 24 and the supporting plates 25 on the end parts are separated from the sand paper replacing device main body 1, and no shielding objects are arranged above the sand paper, and at the moment, the sand paper can be directly pressed down for replacement.
Considering that the trapezoid block 22 needs to be reset, the lower surface of the trapezoid block 22 is fixedly connected with a first spring 222, the lower end of the first spring 222 is fixedly connected with the inner cavity of the sand paper replacing device main body 1, the pressing block 21 loses pressure, and the first spring 222 below loses elasticity after pressure to drive the trapezoid block 22 to move upwards.
Considering that the remaining sand paper needs to be attached to press and control displacement, the lower surface of the supporting plate 25 is fixedly connected with a fixing rod 26, the inner wall of the fixing rod 26 is slidably connected with an inner rod 261, the lower end of the inner rod 261 is fixedly connected with a pressing plate 27, the upper surface of the pressing plate 27 is fixedly connected with a second spring 28, the second spring 28 is movably sleeved on the outer wall of the fixing rod 26, the upper end of the second spring 28 is fixedly connected to the lower surface of the supporting plate 25, the pressing plate 27 drives the inner rod 261 to slide on the inner wall of the fixing rod 26, the elasticity of the second spring 28 drives the pressing plate 27 below to attach to the sand paper to squeeze, and the displacement of the sand paper is controlled.
Considering that the pressing plate 27 is inconvenient to press along with sand paper, the lower surface of the supporting plate 25 is fixedly connected with a bevel board 29, the inner wall of the bevel board 29 is slidably connected with an inner plate 291, the outer side of the inner plate 291 is fixedly connected with the outer side of the pressing plate 27, the outer wall of the inner plate 291 is slidably matched with the inner wall of the bevel board 29, the inner plate 291 is pressed by the sand paper to drive the pressing plate 27 to move upwards, and when the pressing plate 27 moves, the inner plate 291 is driven to slide on the inner wall of the bevel board 29.
In summary, the working principle of the scheme is as follows:
When the polishing sand paper replacing device is specifically used, sand paper is placed above a sand paper replacing device main body 1, a pressing plate 27 is attached to the upper surface of the sand paper to press, when the sand paper needs to be replaced by the polishing machine, the waste sand paper of the polishing machine is removed, the polishing machine is opened, the polishing machine is moved above the sand paper replacing device main body 1, the pressing block 21 is slowly pressed down in an aligned manner, the pressing block 21 is pressed down to slide, the pressing block 21 drives a lower trapezoid block 22 to downwards press a first spring 222, in the process of downwards moving the trapezoid block 22, sliding rods 23 on two sides of the trapezoid block 22 are driven to slide towards the outer wall of the sand paper replacing device main body 1, a fixed plate 24 at the end part of the sliding rod 23 and a supporting plate 25 are driven to leave from the upper part of the sand paper replacing device main body 1, at the moment, no shielding object exists above the sand paper, the sanding machine is directly pressed down, sand paper is attached to the lower portion of the sanding machine, after the sand paper is replaced by the sanding machine, the sanding machine is moved upwards, the pressing block 21 loses pressure, the first spring 222 below loses pressure, the trapezoidal block 22 is driven to move upwards, the trapezoidal block 22 drives the sliding rods 23 on two sides to slide along the sliding grooves 221, the sliding rods 23 drive the symmetrical supporting plates 25 to move reversely, the inner plates 291 are driven to move upwards by the pressure of the sand paper, when the pressing plate 27 moves, the inner plates 291 are driven to slide on the inner walls of the inclined plates 29, the pressing plate 27 drives the inner rods 261 to slide on the inner walls of the fixed rods 26, the elasticity of the second spring 28 drives the pressing plate 27 below to press the sand paper, and displacement of the sand paper is controlled, so that the sand paper is prevented from falling from the upper portion of the sand paper replacing device body 1.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.