Automatic plane quantitative grinding device

Abstract

The utility model relates to an automatic plane quantitative grinding device which comprises a grinding table, a limiting groove is formed in the upper surface of the grinding table, a supporting structure is fixedly installed on the top of the grinding table, a motor is connected to the lower portion of the supporting structure through an adjusting device, and a protective cover is fixedly connected to the bottom end of the motor. The output end of the motor penetrates through the protective cover and is rotationally connected with the protective cover, the protective cover is sleeved with a dust blocking cover, and when the spring is in a stretching state, the bottom end of the dust blocking cover is lower than the bottom end of the grinding disc, the dust blocking cover can be attached to the upper surface of the grinding table firstly in the downward moving process of the grinding disc, and powder generated during grinding is prevented from splashing; during grinding, a user can start the air extracting pump, powder generated by grinding is extracted into the collecting barrel through the air extracting hose to be stored, and therefore the problem that dust is directly dispersed in air, and air pollution is caused is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of grinder, concretely relates to an automatic plane quantitative grinding device. BACKGROUND

[0002] The grinder is the grinding machine for grinding the workpiece surface with the grinding tool coated or embedded with abrasive, and is mainly used for grinding and polishing the single surface of the workpiece, and can be generally divided into plane grinding and curved surface grinding.

[0003] In the grinding process, the friction between the grinding tool and the device can produce fine powder, which can be scattered and splashed under the centrifugal force generated by the rotation of the grinding tool, and can be dispersed in the air of the surrounding environment, polluting the air, and causing the existing grinding device to be very inconvenient to use. UTILITY MODEL CONTENTS

[0004] The utility model discloses a purpose in order to solve above -mentioned problem and provide a kind of automatic plane quantitative grinding device with simple structure, reasonable design.

[0005] The utility model discloses the above-mentioned purposes are realized by the following technical solutions:

[0006] An automatic plane quantitative grinding device, including the grinding table of the upper surface being equipped with limiting slot, the grinding table top is fixedly installed with support structure, support structure below is connected with motor by adjusting device, the motor bottom is fixedly connected with protective cover, the output end of the motor is connected with the protective cover and is rotatably connected, the protective cover is internally provided with the grinding disc fixed with the output end of the motor, the protective cover peripheral side is integrally formed with the convex rib of annular distribution, the convex rib bottom is equipped with slide hole, slide hole is slidably connected with slide rod, one end of the slide rod in slide hole is fixedly connected with spring, the protective cover peripheral side is equipped with dust cover, the dust cover bottom is fixed with the slide rod in the one end outside the slide hole, the grinding table inner chamber is installed with suction pump, the suction end of the suction pump is fixedly connected with suction hose, the one end of the suction hose away from the suction pump is extended to the dust cover after penetrating the grinding table side wall, the side wall of the dust cover is equipped with the air inlet hole of alignment with suction hose, the exhaust end of the suction pump is detachably connected with collection cylinder.

[0007] As a further optimization scheme of the utility model, the support structure includes four matrix-distributed struts, the bottom end of the strut is fixed with the upper surface of the grinding table, and the top end of the strut is fixedly installed with a mounting plate.

[0008] As a further optimization scheme of the utility model, the adjusting device includes a cylinder fixedly installed on the upper surface of the mounting plate, a piston rod is installed on the output end of the cylinder, the bottom end of the piston rod penetrates through the mounting plate and is in sliding connection with the mounting plate, and one end of the piston rod below the mounting plate is fixed with the motor.

[0009] As a further optimization scheme of the utility model, the bottom end height of the dust cover is lower than the bottom end height of the grinding disc when the spring is in the stretched state, and the inner diameter of the dust cover is greater than the inner diameter of the limiting groove.

[0010] As a further optimization scheme of the utility model, the exhaust hole is arranged on the inner wall of the collecting cylinder and penetrates through the side wall of the grinding table and is in communication with the external environment.

[0011] As a further optimization scheme of the utility model, the door hole is arranged on the side wall of the grinding table close to the collecting cylinder, and the sealing door for sealing the door hole is hinged to the side wall of the door hole.

[0012] The utility model has the advantages that the dust cover is arranged outside the protective cover, the bottom end height of the dust cover is lower than the bottom end height of the grinding disc when the spring is in the stretched state, the dust cover is first attached to the upper surface of the grinding table during the downward movement of the grinding disc, the powder generated during grinding is prevented from splashing, the user can start the air suction pump to store the powder generated during grinding in the collecting cylinder through the air suction hose during grinding, the problem that the dust is directly dispersed in the air to pollute the air is solved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall front structure schematic diagram of the utility model;

[0014] Figure 2 It is the overall back structure schematic diagram of the utility model;

[0015] Figure 3 It is the installation structure schematic diagram of the protective cover, the convex rib and the sliding rod of the utility model;

[0016] Figure 4 It is the overall cross section structure schematic diagram of the utility model;

[0017] Figure 5 It is the overall back structure schematic diagram of the utility model Figure 4 The local detail enlarged schematic diagram of A in the utility model.

[0018] In the figure: 1, grinding table; 2, support column; 3, mounting plate; 4, air cylinder; 5, piston rod; 6, motor; 7, protective cover; 8, convex rib 8; 9, spring; 10, sliding rod; 11, dust cover; 12, air suction pump; 13, air suction hose; 14, collection cylinder; 15, exhaust hole; 16, sealing door; 17, grinding disc. DETAILED DESCRIPTION

[0019] The application will be described in further detail below with reference to the drawings. It is necessary to point out here that the following detailed description is only used to further illustrate the application and cannot be understood as limiting the scope of protection of the application. Those skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.

[0020] EMBODIMENT

[0021] As shown in the figure, an automatic planar quantitative grinding device comprises a grinding table 1 with a limiting groove on the upper surface, a support structure is fixedly installed on the top of the grinding table 1, the support structure comprises four support columns 2 distributed in a matrix, the bottom ends of the support columns 2 are fixed to the upper surface of the grinding table 1, and mounting plates 3 are fixedly installed on the top ends of the support columns 2 for supporting through the mounting plates 3. Figure 1 Figure 5 A motor 6 is connected below the support structure through an adjusting device, the adjusting device comprises an air cylinder 4 fixedly installed on the upper surface of the mounting plate 3, a piston rod 5 is installed on the output end of the air cylinder 4, the bottom end of the piston rod 5 penetrates through the mounting plate 3 and is in sliding connection with the mounting plate 3, and one end of the piston rod 5 below the mounting plate 3 is fixed to the motor 6, so that the piston rod 5 can be pushed to extend or retract when the air cylinder 4 is started, thereby driving the motor 6 to move up and down and adjusting the position of the motor 6.

[0022] A protective cover 7 is fixedly connected to the bottom end of the motor 6, the output end of the motor 6 penetrates through the protective cover 7 and is in rotary connection with the protective cover 7, and a grinding disc 17 fixed to the output end of the motor 6 is arranged in the protective cover 7, after a workpiece is clamped and fixed in the limiting groove, the piston rod 5 is pushed to extend by the air cylinder 4, thereby pushing the grinding disc 17 mounted on the output end of the motor 6 to abut against the upper surface of the workpiece, at this time, the motor 6 is started to drive the grinding disc 17 to rotate, so that the surface of the workpiece can be ground and polished through the grinding disc 17.

[0023] A protective cover 7 is fixedly connected to the bottom end of the motor 6, the output end of the motor 6 penetrates through the protective cover 7 and is in rotary connection with the protective cover 7, and a grinding disc 17 fixed to the output end of the motor 6 is arranged in the protective cover 7, after a workpiece is clamped and fixed in the limiting groove, the piston rod 5 is pushed to extend by the air cylinder 4, thereby pushing the grinding disc 17 mounted on the output end of the motor 6 to abut against the upper surface of the workpiece, at this time, the motor 6 is started to drive the grinding disc 17 to rotate, so that the surface of the workpiece can be ground and polished through the grinding disc 17.

[0024] ​The protective cover 7 is integrally formed with a plurality of annularly distributed ribs 8 on the side, the bottom end of the rib 8 is provided with a sliding hole, a sliding rod 10 is slidably connected in the sliding hole, one end of the sliding rod 10 in the sliding hole is fixedly connected with a spring 9, the protective cover 7 is sleeved with a dust cover 11 on the side, the bottom end of the dust cover 11 is fixed with the one end of the sliding rod 10 outside the sliding hole, when the spring 9 is in the stretched state, the bottom end height of the dust cover 11 is lower than the bottom end height of the grinding disc 17, and the inner diameter of the dust cover 11 is greater than the inner diameter of the limiting groove, so that before the grinding disc 17 moves down to contact the workpiece, the dust cover 11 first fits the upper surface of the grinding table 1 to prevent the powder generated during grinding from splashing;

[0025] An air suction pump 12 is installed in the inner cavity of the grinding table 1, the air suction end of the air suction pump 12 is fixedly connected with an air suction hose 13, one end of the air suction hose 13 away from the air suction pump 12 extends into the dust cover 11 after penetrating through the side wall of the grinding table 1, the side wall of the dust cover 11 is provided with an air inlet hole arranged in position with the air suction hose 13, and the exhaust end of the air suction pump 12 is detachably connected with a collecting cylinder 14, during the grinding process, the air suction pump 12 can be started to suck the powder generated during grinding into the collecting cylinder 14 for storage through the air suction hose 13, so as to prevent the dust from directly dispersing in the air and polluting the air;

[0026] The inner wall of the inner cavity of the grinding table 1 on both sides of the collecting cylinder 14 is provided with an air exhaust hole 15, the air exhaust hole 15 penetrates through the side wall of the grinding table 1 and communicates with the external environment, when the dust enters the collecting cylinder 14 with the air, the dust is retained in the collecting cylinder 14, and the air can be discharged from the collecting cylinder 14 and discharged through the air exhaust hole 15;

[0027] A door hole is formed on the side wall of the grinding table 1 close to the collecting cylinder 14, and a sealing door 16 for sealing the door hole is hinged on the door hole side wall, when the collecting cylinder 14 collects more dust, the user can open the sealing door 16 to replace the collecting cylinder 14.

[0028] It should be noted that the automatic plane quantitative grinding device is used, first the workpiece is clamped and fixed in the limiting groove, then the motor 6 drives the grinding disc 17 to rotate, at the same time the air cylinder 4 drives the piston rod 5 to extend, so as to drive the grinding disc 17 installed at the output end of the motor 6 to move down, after the grinding disc 17 fits the surface of the workpiece, the workpiece can be polished, because the dust cover 11 is sleeved on the outer side of the protective cover 7, and when the spring 9 is in the stretched state, the bottom end height of the dust cover 11 is lower than the bottom end height of the grinding disc 17, during the movement of the grinding disc 17, the dust cover 11 will first fit the upper surface of the grinding table 1 to prevent the powder generated during grinding from splashing, when polishing, the user can start the air suction pump 12 to suck the powder generated during grinding into the collecting cylinder 14 for storage through the air suction hose 13, so as to prevent the dust from directly dispersing in the air and polluting the air.

[0029] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model.

Claims

1. An automatic planar quantitative grinding device, comprising a grinding table (1) with a limiting groove on its upper surface, a support structure fixedly installed on the top of the grinding table (1), a motor (6) connected to the bottom of the support structure via an adjustment device, a protective cover (7) fixedly connected to the bottom of the motor (6), the output end of the motor (6) passing through the protective cover (7) and rotatably connected to the protective cover (7), and a grinding disc (17) fixed to the output end of the motor (6) disposed inside the protective cover (7), characterized in that: The protective cover (7) has multiple annularly distributed protruding ribs (8) integrally formed around its periphery. The bottom end of each protruding rib (8) has a sliding hole, and a sliding rod (10) is slidably connected inside the sliding hole. A spring (9) is fixedly connected to one end of the sliding rod (10) located inside the sliding hole. A dust cover (11) is fitted around the periphery of the protective cover (7). The bottom end of the dust cover (11) is fixed to the end of the sliding rod (10) located outside the sliding hole. An air pump (12) is installed in the inner cavity of the grinding table (1). An air suction hose (13) is fixedly connected to the air suction end of the air pump (12). The end of the air suction hose (13) away from the air pump (12) passes through the side wall of the grinding table (1) and extends into the dust cover (11). An air inlet is provided on one side wall of the dust cover (11) and is aligned with the air suction hose (13). A collection cylinder (14) is detachably connected to the exhaust end of the air pump (12).

2. The automatic planar quantitative grinding device according to claim 1, characterized in that: The support structure includes four pillars (2) arranged in a matrix. The bottom of the pillars (2) is fixed to the upper surface of the grinding table (1), and the top of the pillars (2) is fixedly mounted with a mounting plate (3).

3. The automatic planar quantitative grinding device according to claim 2, characterized in that: The adjustment device includes a cylinder (4) fixedly installed on the upper surface of the mounting plate (3). A piston rod (5) is installed on the output end of the cylinder (4). The bottom end of the piston rod (5) passes through the mounting plate (3) and is slidably connected to the mounting plate (3). One end of the piston rod (5) located below the mounting plate (3) is fixed to the motor (6).

4. The automatic planar quantitative grinding device according to claim 1, characterized in that: When the spring (9) is in the extended state, the bottom height of the dust cover (11) is lower than the bottom height of the grinding disc (17), and the inner diameter of the dust cover (11) is greater than the inner diameter of the limiting groove.

5. An automatic planar quantitative grinding device according to claim 4, characterized in that: The grinding table (1) has an exhaust hole (15) on the inner wall on both sides of the collection cylinder (14). The exhaust hole (15) penetrates the side wall of the grinding table (1) and communicates with the external environment.

6. An automatic planar quantitative grinding device according to claim 1, characterized in that: The grinding table (1) has a door opening on the side wall near the collection cylinder (14), and a sealing door (16) is hinged to the side wall of the door opening for sealing the door opening.

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