CN109605176B

CN109605176B - Grinding machine

Info

Publication number: CN109605176B
Application number: CN201811622233.XA
Authority: CN
Inventors: 李�杰; 郑辉
Original assignee: China MCC20 Group Corp Ltd
Current assignee: China MCC20 Group Corp Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2021-03-26
Anticipated expiration: 2038-12-28
Also published as: CN109605176A

Abstract

The invention relates to a grinding machine which comprises a grinding machine body, wherein a grinding motor is arranged inside the grinding machine body, a shaft of the grinding motor is connected with a rotating shaft, the lower end of the rotating shaft is connected with a grinding disc, the grinding disc is positioned in a shielding frame, the shielding frame comprises an annular net surrounding the grinding disc, a transparent plate is fixed at the upper end of the annular net, a first circular ring is fixed at the lower end of the annular net, a sleeve is arranged below the transparent plate, the rotating shaft penetrates through the transparent plate and the sleeve, and a dust removal device used for removing dust on the transparent plate is arranged on the sleeve. The invention is beneficial to avoiding the harm to the health of workers, and can scrape off dust and provide sight.

Description

Grinding machine

Technical Field

The invention relates to the technical field of municipal engineering, in particular to a grinding machine.

Background

The building materials are a general term for materials used in civil engineering and construction, and materials used in buildings are collectively called building materials. The novel building material has a wide range, and comprises a heat insulation material, a high-strength material, a breathable material and the like, which belong to novel materials, and a plane grinding machine of the building material is required when the building material is produced.

However, the existing building material sander is easy to splash the ash or residue after sanding, and for example, chinese patent application (CN 103128622A) discloses a sander comprising: the device comprises a rack, a rotary driving assembly, a pressure head assembly, a lifting assembly and a polishing assembly, wherein a tray for placing a workpiece is arranged on the rack; the rotary driving component is arranged below the tray and can drive the tray to rotate; the pressure head assembly is suspended on the rack and is positioned above the tray; the lifting assembly is connected with the pressure head assembly to pull the pressure head assembly to press the workpiece downwards or to move away from the workpiece upwards; the grinding assembly comprises a grinding wheel for grinding a workpiece, and the grinding assembly is rotatably mounted on the frame so that the grinding wheel can be close to or far away from the workpiece. Although the polishing machine is beneficial to improving the surface quality of a polished workpiece, improving the polishing efficiency of the workpiece and reducing the labor intensity of workers, when the polishing machine is used, the whole device is in an open state, so that great threat is brought to the health safety of users, and the practicability and the safety of the building material polishing machine are reduced; moreover, the whole device has a complex structure and high cost.

Disclosure of Invention

Therefore, the invention aims to solve the technical problems that the grinding machine in the prior art is easy to damage the health of workers during working, and has a complex structure and high cost, thereby providing the grinding machine which is safe to use, simple in structure and low in cost.

In order to solve the technical problem, the polisher comprises a polisher body, wherein a polishing motor is arranged inside the polisher body, a shaft of the polishing motor is connected with a rotating shaft, the lower end of the rotating shaft is connected with a polishing disc, the polishing disc is located in a shielding frame, the shielding frame comprises an annular net surrounding the polishing disc, a transparent plate is fixed at the upper end of the annular net, a first circular ring is fixed at the lower end of the annular net, a sleeve is arranged below the transparent plate, and a dust removal device used for removing dust on the transparent plate is arranged on the sleeve.

In an embodiment of the invention, the dust removing device comprises a clamping device arranged on the sleeve, the sleeve is connected with the second circular ring in a sliding manner through the clamping device, a cross rod is fixed on the side surface of the second circular ring, a rubber layer is arranged between the cross rod and the transparent plate, a push rod is fixed on the cross rod, an arc-shaped groove is formed in the transparent plate, and the push rod is connected with the arc-shaped groove in a sliding manner.

In an embodiment of the present invention, the clamping device includes at least one clamping ring disposed along an outer wall of the sleeve, and at least one clamping groove disposed along an inner side of the second ring, and the clamping ring and the clamping groove are clamped to each other.

In one embodiment of the invention, a limiting block is arranged below the sleeve.

In an embodiment of the invention, at least one first cavity is arranged inside the sander body, a piston is arranged in the first cavity, a first elastic element is arranged between the piston and the first cavity, the piston is fixed on a vertical rod, and the vertical rod is fixed on the transparent plate.

In an embodiment of the invention, at least one second cavity is further arranged inside the sander body, a slide block is arranged in the second cavity, the slide block is connected with a fixing piece, the fixing piece penetrates through the wall surface of the sander body, and a second elastic element is arranged between the fixing piece and the slide block.

In one embodiment of the invention, the sliding block is rotatably connected with the fixed part.

In one embodiment of the invention, the mesh of the endless web is not larger than 1 mm.

In one embodiment of the invention, the transparent plate is a tempered glass plate.

In one embodiment of the invention, the rubber layer is made of wear resistant rubber.

Compared with the prior art, the technical scheme of the invention has the following advantages:

the grinding machine disclosed by the invention can effectively prevent the splashing of residues and grinding ash and prevent the health of workers from being damaged; moreover, the height of the polishing disc can be adjusted according to the polishing depth, so that polishing is facilitated; in addition, the device for scraping the dust on the transparent plate is arranged, so that the dust can be scraped after the dust blocks the sight of the glass plate during processing, and the sight can be provided.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a front view of the sander of the present invention;

FIG. 2 is a schematic view of a transparent sheet of the present invention;

fig. 3 is an enlarged view of a second ring of the present invention.

The specification reference numbers indicate: 11-a sander body, 11A first cavity, 11B-a piston, 11C-a first elastic element, 11D-a vertical rod, 11E-a second cavity, 11F-a slide, 11G-a fixed part, 12-a sanding motor, 13-a rotating shaft, 14-a sanding disc, 21-a ring net, 22-a transparent plate, 22A-an arc groove, 23-a first ring, 24-a sleeve, 24A-a snap ring, 25-a second ring, 25A-a snap groove, 26-a cross rod, 27-a rubber layer, 28-a push rod, 29-a limiting block.

Detailed Description

As shown in fig. 1 and 2, the present embodiment provides a sander, which includes a sander body 11, a sanding motor 12 is disposed inside the sander body 11, a shaft of the sanding motor 12 is connected to a rotating shaft 13, a lower end of the rotating shaft 13 is connected to a sanding disc 14, the sanding disc 14 is located in a shielding frame, the shielding frame includes an annular net 21 surrounding the sanding disc 14, a transparent plate 22 is fixed to an upper end of the annular net 21, a first ring 23 is fixed to a lower end of the annular net 21, a sleeve 24 is disposed below the transparent plate 22, the rotating shaft 13 penetrates through the transparent plate 22 and the sleeve 24, and a dust removing device for removing dust on the transparent plate 22 is disposed on the sleeve 24.

The polisher of this embodiment, including polisher body 11, polisher body 11's inside is equipped with grinding motor 12, grinding motor 12's axle is connected with pivot 13, through grinding motor 12's axle rotatory drive pivot 13's rotation, grinding disc 14 is connected to pivot 13's lower extreme, through pivot 13's rotation drives grinding disc 14's rotation, grinding disc 14 is located and shields the frame, through shield the effectual separation of frame residue and the splash of the ash of polishing, has avoided staff's health to receive harm, shield the frame including around grinding disc 14's ring net 21, ring net 21's upper end is fixed with transparent plate 22, through transparent plate 22 is favorable to observing shield the condition in the frame, the first ring 23 is fixed to ring net 21's lower extreme, through ring net 21, transparent plate 22, The first circular ring 23 is enclosed into a closed structure, so that splashing of residues and polishing ash is effectively prevented; the below of transparent plate 22 is equipped with sleeve 24, pivot 13 pass transparent plate 22 with sleeve 24 and with transparent plate 22 and sleeve 24 rotate to be connected, just be equipped with on the sleeve 24 and be used for cleaing away the dust collector of dust on the transparent plate 22, when polishing, if there is the dust attached to the lower extreme of transparent plate 22 has blockked the sight, is favorable to providing the sight through dust collector.

The dust removal device comprises a clamping device arranged on the sleeve 24, the sleeve 24 is connected with a second circular ring 25 in a sliding mode through the clamping device, a cross rod 26 is fixed to the side face of the second circular ring 25, a rubber layer 27 is arranged between the cross rod 26 and the transparent plate 22, a push rod 28 is fixed to the cross rod 26, an arc-shaped groove 22A is formed in the transparent plate 22, the push rod 28 is connected with the arc-shaped groove 22A in a sliding mode, when the dust is attached to the lower end of the transparent plate 22 to block the sight, the push rod 28 is pulled, so that the cross rod 26 and the second circular ring 25 can be pulled to a position close to the transparent plate 22, the clamping device is in a separation state, when the push rod 28 slides in the arc-shaped groove 22A, the center of the second circular ring 25 serves as a fulcrum, the cross rod 26 rotates, the second ring 25 rotates around the sleeve 24 and scrapes off dust using the rubber layer 27, thereby providing a visual point.

As shown in fig. 3, the clamping device includes at least one clamping ring 24A disposed along an outer wall of the sleeve 24, and at least one clamping groove 25A disposed along an inner side of the second ring 25, and the clamping ring 24A and the clamping groove 25A are clamped to each other. When the transparent glass plate is cleaned, the push rod 28 is pushed, the cross rod 26 and the second circular ring 25 move downwards, the clamping groove 23 of the inner ring of the second circular ring 18 is clamped on the clamping ring 17, and the clamping device is in a buckling state, so that the transparent glass plate 11 can be conveniently cleaned. A stopper 29 is provided below the sleeve 24 to limit the upward movement distance of the polishing disk 14.

In order to adjust the height of the polishing disc 14 according to the polishing depth and facilitate polishing, at least one first cavity 11A is arranged inside the polishing machine body 11, a piston 11B is arranged in the first cavity 11A, a first elastic element 11C is arranged between the piston 11B and the first cavity 11A, the piston 11B is fixed on a vertical rod 11D, the vertical rod 11D is fixed on the transparent plate 22, the piston 11B can move in the first cavity 11A, and the piston 11B can be assisted to return to the original position by the first elastic element 11C, so that the annular net 21 and the transparent plate 22 can be selected according to the height of the material to be polished.

The interior of polisher body 11 still is equipped with at least one second cavity 11E, be equipped with slider 11F in the second cavity 11E, slider 11F links to each other with mounting 11G, just mounting 11G passes polisher body 11's wall, mounting 11G with be equipped with the second elastic element between the slider 11F, make slider 11F can be in second cavity 11E internal motion. In this embodiment, the fixing member 11G is disposed on a side away from the first cavity 11A, and the sliding block 11F is rotatably connected to the fixing member 11G, so as to conveniently adjust the position of the sliding block 11F. When the ring-shaped net 21 and the transparent plate 22 need to be replaced according to the height of a material to be polished during polishing, all the fixing pieces 11G are unscrewed to enable the piston 11B to slide in the first cavity 11A, and when the height of the material to be polished is adjusted to a required height, the fixing pieces 11G are screwed down to enable the sliding block 11F to slide in the second cavity 11E until the sliding block is close to the piston 11B and presses the piston 11B, so that the piston 11B is prevented from moving up and down, and the polishing disc 14 can polish the position to be polished.

In this embodiment, the first cavity 11A is a cylindrical cavity. The second cavity 11E is a square cavity. The fixing member 11G is a bolt. The first elastic element 11C and the second elastic element may be springs.

The mesh of the annular net 21 is not more than 1mm, which is beneficial to avoiding the splashing of the residues. The transparent plate 22 is a tempered glass plate to ensure that polishing residues do not damage the transparent plate 22. The rubber layer 27 is made of abrasion resistant rubber, thereby contributing to enhancement of durability of the rubber layer 27.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a polisher, includes the polisher body, the inside of polisher body is equipped with grinding motor, grinding motor's axle is connected with the pivot, the lower extreme of pivot is connected and is polished the dish, its characterized in that: the grinding disc is positioned in the shielding frame, the shielding frame comprises an annular net surrounding the grinding disc, a transparent plate is fixed at the upper end of the annular net, a first ring is fixed at the lower end of the annular net, a sleeve is arranged below the transparent plate, the rotating shaft penetrates through the transparent plate and the sleeve, a dust removal device used for removing dust on the transparent plate is arranged on the sleeve, the dust removal device comprises a clamping device arranged on the sleeve, the sleeve is in sliding connection with a second ring through the clamping device, a cross rod is fixed on the side surface of the second ring, a rubber layer is arranged between the cross rod and the transparent plate, a push rod is fixed on the cross rod, an arc-shaped groove is arranged on the transparent plate, the push rod is in sliding connection with the arc-shaped groove, the clamping device comprises at least one clamping ring arranged along the outer wall of the sleeve and at least one clamping groove arranged along the inner side of the second ring, and the clamping ring is mutually clamped with the clamping groove.

2. A sander according to claim 1, characterized in that: and a limiting block is arranged below the sleeve.

3. A sander according to claim 1, characterized in that: the interior of polisher body is equipped with at least one first cavity, be equipped with the piston in the first cavity, the piston with be equipped with first elastic element between the first cavity, the piston is fixed on the montant, just the montant is fixed on the transparent plate.

4. A sander according to claim 3, characterized in that: the interior of polisher body still is equipped with at least one second cavity, be equipped with the slider in the second cavity, the slider links to each other with the mounting, just the mounting passes polisher body's wall, the mounting with be equipped with second elastic element between the slider.

5. A sanding machine according to claim 4, characterized in that: the sliding block is rotatably connected with the fixing piece.

6. A sander according to claim 1, characterized in that: the mesh of the annular net is not more than 1 mm.

7. A sander according to claim 1, characterized in that: the transparent plate is a toughened glass plate.

8. A sander according to claim 1, characterized in that: the rubber layer is made of wear-resistant rubber.