CN210849599U - Grinding device convenient to change abrasive material - Google Patents

Abstract

The utility model relates to the technical field of machining, and discloses a grinding device which is convenient for replacing abrasives. Drive motor, the output shaft of the drive motor is fixedly connected to the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gear is fixedly connected to the upper end of the main shaft, the lower part of the main shaft is provided with a fixed seat, and the surrounding of the fixed seat is slidably connected to guide rod, the lower end of the guide rod is provided with a pressure plate, the upper end of the guide rod is provided with a limit block, a spring is provided between the limit block and the fixed seat, the left side of the bottom plate is rotatably connected to the first screw rod, and the upper part of the first screw rod Thread the left side of the table. The utility model is suitable for a grinding device which is convenient to replace the abrasive. The device is provided with a pressing plate to fix the abrasive, and when installing the abrasive, only the pressing plate needs to be pulled down, and the whole disassembly and assembly operation is relatively convenient.

Description

A grinding device for easy replacement of abrasives

technical field

The utility model relates to the technical field of machining, in particular to a grinding device which is convenient for replacing abrasives.

Background technique

Abrasives are sharp, hard materials used to grind softer surfaces. There are two types of abrasives: natural abrasives and artificial abrasives. According to the hardness, there are two categories of super-hard abrasives and ordinary abrasives. Abrasives range from softer household detergents, gemstone abrasives to the hardest material, diamond. Abrasives are an essential material in the manufacture of every precision product. Since abrasives wear out over time, the abrasives need to be replaced regularly.

Chinese Patent (Bulletin No.: CN108296956A) discloses an abrasive abrasive tool for easy grinding, including a support plate, a guide groove is opened on one side of the top of the support plate, and a guide block is slidably connected to the inside of the guide groove. One end of the guide block penetrates and extends to the outside of the guide groove and is fixedly connected with the bottom of the motor base. The top of the motor base is fixedly installed with a transmission motor, and one end of the output shaft of the transmission motor is clamped with a coupling. One end of the coupling away from the transmission motor is clamped with a transmission shaft, and one end of the transmission shaft away from the coupling is fixedly mounted with a grinding wheel sheet. The easy-to-grind abrasive tool is used in conjunction with the guide block, the transmission motor and the grinding wheel, so that the transmission motor can be moved in translation to process the mechanical parts, which avoids the occurrence of processing errors due to hand shaking during hand-held processing, and improves the The processing quality of the mechanical parts is improved, but the abrasive replacement of the device is troublesome, which makes the maintenance of the entire device difficult in the later period, so the device needs to be improved.

Utility model content

The utility model provides a grinding device which is convenient for replacing abrasives, and solves the problems raised in the above-mentioned background art.

To achieve the above object, the utility model provides the following technical solutions:

A grinding device for easy replacement of abrasives, comprising a base plate, the upper surface of the base plate is provided with uprights on the left and right sides, the middle of the uprights is slidably connected to a worktable, a drive motor is provided on the right side of the upper surface of the worktable, and an output shaft of the drive motor is fixedly connected to the first A bevel gear, the first bevel gear is meshed and connected to the second bevel gear, the second bevel gear is fixedly connected to the upper end of the main shaft, the lower part of the main shaft is provided with a fixed seat, the surrounding of the fixed seat is slidably connected to a guide rod, and the lower end of the guide rod is provided with a pressure plate, which guides the The upper end of the rod is provided with a limit block, and a spring is arranged between the limit block and the fixed seat, the left side of the bottom plate is rotatably connected to the first screw rod, and the upper part of the first screw rod is threadedly connected to the left side of the worktable.

As a preferred technical solution of the present invention, the pressing plate is annular.

As a preferred technical solution of the present invention, abrasives are provided inside the pressing plate.

As a preferred technical solution of the present invention, a chute is provided in the middle of the upper surface of the bottom plate, the chute is slidably connected to the slider, and the upper part of the slider is provided with a fixing plate.

As a preferred technical solution of the present invention, the left and right sides of the fixing plate are provided with side plates, the middle of the side plates is threadedly connected to the second screw rod, and one end of the second screw rod close to the center of the device is rotatably connected to the clamping plate.

As a preferred technical solution of the present invention, the front and rear sides of the clamping plate are provided with sliding rods, and the middle of the sliding rod is slidably connected to the front and rear sides of the side plate.

As a preferred technical solution of the present invention, a pull rod is provided on the right side of the fixing plate.

The utility model has the following benefits:

The utility model is suitable for a grinding device which is convenient to replace the abrasive. The device is provided with a pressing plate to fix the abrasive, and when installing the abrasive, it is only necessary to pull the pressing plate downward, the whole disassembly and assembly is relatively convenient, and the speed of the abrasive replacement is improved. It is convenient for the use and maintenance of the later device.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic structural diagram of a grinding device for easy replacement of abrasives.

FIG. 2 is a front view of a grinding device that facilitates replacement of abrasives.

FIG. 3 is a schematic structural diagram of a fixed seat in a grinding device for easy replacement of abrasives.

FIG. 4 is a schematic structural diagram of a fixed plate in a grinding device for easy replacement of abrasives.

In the figure: 1. Bottom plate; 2. First screw rod; 3. Upright column; 4. Worktable; 5. Drive motor; 6. First bevel gear; 7. Main shaft; 8. Second bevel gear; ;10, guide rod; 11, pressure plate; 12, spring; 13, limit block; 14, abrasive; 15, chute; 16, fixed plate; 17, side plate; 18, clamping plate; 19, second wire rod; 20, sliding rod; 21, slider; 22, pull rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Please refer to Figures 1-4, a grinding device for easy replacement of abrasives, including a base plate 1, the upper surface of the base plate 1 is provided with columns 3 on the left and right sides, the middle of the column 3 is slidably connected to the workbench 4, and the upper surface of the workbench 4 is on the right side There is a drive motor 5, the output shaft of the drive motor 5 is fixedly connected to the first bevel gear 6, the first bevel gear 6 is meshed with the second bevel gear 8, the second bevel gear 8 is fixedly connected to the upper end of the main shaft 7, and the lower part of the main shaft 7 is provided with The fixed seat 9 is slidably connected to the guide rod 10 around the fixed seat 9. The lower end of the guide rod 10 is provided with a pressure plate 11, the pressure plate 11 is annular, the pressure plate 11 is provided with an abrasive 14, and the upper end of the guide rod 10 is provided with a limit block 13 to limit the A spring 12 is arranged between the position block 13 and the fixed seat 9 , the left side of the bottom plate 1 is rotatably connected to the first screw rod 2 , and the upper part of the first screw rod 2 is threadedly connected to the left side of the worktable 4 .

The middle part of the upper surface of the bottom plate 1 is provided with a chute 15, the chute 15 is slidably connected to the slider 21, the upper part of the slider 21 is provided with a fixed plate 16, the left and right sides of the fixed plate 16 are provided with side plates 17, and the middle of the side plate 17 is provided The second screw rod 19 is threadedly connected, and one end of the second screw rod 19 close to the center of the device is rotated and connected to the clamping plate 18. The front and rear sides of the clamping plate 18 are provided with sliding rods 20. side.

Embodiment 2

Please refer to FIG. 4 , the other contents of this embodiment are the same as those of the first embodiment, the difference is that a pull rod 22 is provided on the right side of the fixing plate 16 . Since the abrasive 14 will rotate at a high speed when the device is activated, the lower fixing plate 16 may be directly moved by hand, which may cause damage to the hand. Therefore, a pull rod 22 is provided on the right side of the fixing plate 16, so that the pull rod 22 can pass through the pull rod 22 Pulling the fixing plate 16 to move left and right prevents the operator's hand from directly contacting the workpiece to be processed, thereby improving the safety of the entire device.

In the implementation process of the present invention, the workpiece to be polished is placed on the fixing plate 16, the second screw rod 19 is rotated, and the second screw rod 19 drives the two clamping plates 18 to move closer to each other, thereby passing the two clamping plates The tightening plate 18 fixes the workpiece to be processed on the fixing plate 16, and at the same time pulls the pressing plate 11 downward, puts the abrasive 14 between the pressing plate 11 and the fixing seat 9, releases the pressing plate 11, and under the action of the spring 12, the pressing plate 11 moves upward. move, thereby pressing the abrasive 14 on the fixed seat 9, at this time start the drive motor 5, the output shaft of the drive motor 5 drives the main shaft 7 to rotate through the meshing connection of the first bevel gear 6 and the second bevel gear 8, and the main shaft 7 drives The fixed seat 9 rotates at a high speed, so that the abrasive 14 rotates at a high speed. At this time, the first screw 2 is rotated, and the first screw 2 drives the table 4 to move downward, so that the abrasive 14 moves downward continuously. After the workpiece is in contact, stop rotating the first screw 2, and the abrasive 14 performs grinding work on the upper part of the workpiece to be processed, and the fixed plate 16 can be moved so that the abrasive 14 is applied to the entire surface of the upper surface of the workpiece to be processed. Grinding, and the height of grinding is the same; the utility model is suitable for a grinding device that is convenient for replacing abrasives, the device fixes the abrasives 14 by setting the pressing plate 11, and only needs to pull down the dynamic pressing plate 11 when installing the abrasives 14. The action is more convenient, which improves the replacement speed of the abrasive 14 and facilitates the use and maintenance of the device in the later stage.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (7)

1. A grinding device for easy replacement of abrasives, comprising a bottom plate (1), a column (3) is provided on the left and right sides of the upper surface of the bottom plate (1), and the middle of the column (3) is slidably connected to a workbench (4), characterized in that , a drive motor (5) is provided on the right side of the upper surface of the worktable (4), the output shaft of the drive motor (5) is fixedly connected to the first bevel gear (6), and the first bevel gear (6) is meshed with the second bevel gear. (8), the second bevel gear (8) is fixedly connected to the upper end of the main shaft (7), the lower part of the main shaft (7) is provided with a fixed seat (9), the surrounding of the fixed seat (9) is slidably connected to the guide rod (10), the guide rod The lower end of (10) is provided with a pressure plate (11), the upper end of the guide rod (10) is provided with a limit block (13), and a spring (12) is arranged between the limit block (13) and the fixed seat (9). The left side of the bottom plate (1) is rotatably connected to the first screw rod (2), and the upper part of the first screw rod (2) is threadedly connected to the left side of the workbench (4). 2 . The grinding device according to claim 1 , wherein the pressing plate ( 11 ) is annular. 3 . 3. A grinding device for easy replacement of abrasives according to claim 2, characterized in that, abrasives (14) are provided inside the pressing plate (11). 4 . The grinding device according to claim 1 , wherein the upper surface of the bottom plate ( 1 ) is provided with a chute ( 15 ) in the middle, and the chute ( 15 ) is slidably connected to the slider ( 4 . 21), the upper part of the slider (21) is provided with a fixing plate (16). 5. The grinding device according to claim 4, characterized in that, the left and right sides of the fixing plate (16) are provided with side plates (17), and the middle of the side plate (17) is threadedly connected to the first Two screw rods (19), one end of the second screw rod (19) close to the center of the device is rotatably connected to the clamping plate (18). 6 . The grinding device according to claim 5 , wherein the front and rear sides of the clamping plate ( 18 ) are provided with sliding rods ( 20 ), and the middle of the sliding rod ( 20 ) is slidably connected. 7 . The front and rear sides of the side panel (17). 7 . The grinding device according to claim 4 or 5 , characterized in that a pull rod ( 22 ) is provided on the right side of the fixing plate ( 16 ). 8 .

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