CN215092754U

CN215092754U - Simple handheld grinding machine

Info

Publication number: CN215092754U
Application number: CN202121159521.3U
Authority: CN
Inventors: 徐成; 徐士丹; 张国顺
Original assignee: Shenyang Shengna Equipment Manufacturing Technology Research Institute Co ltd
Current assignee: Shenyang Shengna Equipment Manufacturing Technology Research Institute Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-10
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a simple and easy polisher of hand-held type relates to the industry field of polishing. The utility model provides a simple and easy polisher of hand-held type, including the part backup pad, part backup pad top screwed connection has the stopper of polishing, and polish the inboard contact installation of stopper and remain the work piece of polishing, treat that the work piece right side of polishing is connected with the contact of the emery wheel outer wall of polishing, and emery wheel outside fixed mounting has the fender bracket, the fender bracket is fixed at automatically controlled post bottom surface through rolling disc and welded mode respectively with the emery wheel of polishing, and automatically controlled post bottom surface outside installs information panel, automatically controlled post right side is passed through fixed plate fixed connection at rolling stand left side inner wall, and rolling stand right side downside fixed connection is in rolling ring one side, be connected through reset spring between the rotation support frame in automatically controlled post and the rolling ring outside, spacing protection device is installed in the contact of rolling stand bottom surface. The utility model discloses have small, the hand-held type is polished, can effectively control the position and the degree of accuracy that the work piece polished.

Description

Simple handheld grinding machine

Technical Field

The utility model relates to an industry field of polishing specifically is a simple and easy polisher of hand-held type.

Background

The existing grinding machine mostly belongs to electric grinding, and is composed of a control box and an electric grinding head, wherein the control box outputs a direct current stabilized power supply for supplying power to the grinding head after voltage transformation and ballasting, and the electric grinding head drives the grinding head to do high-speed rotating mechanical motion by taking a direct current motor as a driving source and force transmission with a rotating and clamping structure.

The grinding machine at the present stage has the problems of large volume, low grinding precision and incapability of effectively processing small-volume workpieces; the problem that the grinding wheel is fixed to the support frame and damaged easily in the grinding process exists. Accordingly, a hand-held compact sander is provided by those skilled in the art to address the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple and easy polisher of hand-held type to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hand-held simple polisher comprises a part supporting plate, wherein a polishing limiting block is connected to the top end of the part supporting plate through screws, a workpiece to be polished is installed on the inner side of the polishing limiting block in a contact mode, the right side of the workpiece to be polished is connected with the outer wall of a polishing grinding wheel in a contact mode, a protection frame is fixedly installed on the outer side of the polishing grinding wheel, the protection frame and the polishing grinding wheel are fixed to the bottom surface of an electric control column through a rotating disc and a welding mode respectively, an information panel is installed on the outer side of the bottom surface of the electric control column, the right side of the electric control column is fixedly connected to the inner wall of the left side of the rotating frame through a fixing plate, the lower right side of the rotating frame is fixedly connected to one side of a rotating ring, the electric control column is connected with a rotating support frame on the outer side of the rotating ring through a reset spring, a limiting protection device is installed on the bottom surface of the rotating frame in a contact mode, a hand-held pressing handle is welded to one end of the outer side of the electric control column, and the size of the simple polisher is small, hand-held type is polished, can effectively control the position and the degree of accuracy that the work piece polished.

Preferably, the upper end of the workpiece to be polished is provided with a magnetic moving column, and the column body is connected with the workpiece to be polished through electric control magnetism, so that the steering displacement of the workpiece is realized.

Preferably, the bottom surface of the electric control column is provided with a heat dissipation groove, so that heat generated by the motor can be quickly discharged.

Preferably, the outer side of the grinding wheel is provided with a rotating disc in a contact manner, and the inner side of the rotating disc is provided with a mounting thread groove, so that workpieces can be ground.

Preferably, the rear end of the information panel is fixedly installed on the outer side of the welding frame body, a frame body installation screw is installed on a threaded plate on the outer side of the welding frame body, and the rotating speed and the temperature of the motor can be displayed in real time.

Preferably, the reset spring is fixedly connected to the outer side of the hooking screw at the lower end, the limiting protection device comprises a sliding groove, a sliding frame is installed on the upper end face of the sliding groove in a matched mode, a limiting ring is installed on the other side of the sliding frame in a welded mode, and the grinding wheel can be reset.

Preferably, the rotating ring comprises a rotating support frame, a fixed shaft is connected in series with an inner side hole of the rotating support frame, a fixed nut is connected to the left side of the fixed shaft in a threaded mode, a rotating sliding groove is formed in the inner side of the rotating support frame, and the grinding wheel can rotate downwards.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a simple and easy polisher of hand-held type, through installing the grinding wheel and pushing down parts such as handle for simple and easy polisher of hand-held type, the staff will treat that the work piece of polishing slides along the stopper inboard of polishing, along with the slow promotion of work piece, treat the work piece of polishing and the contact of grinding wheel, realize polishing of work piece, the vertical height of grinding wheel is controlled through staff's both hands, the staff is holding handheld pushing down the handle in the left hand, the automatically controlled post is being held in the right hand, and manual start button that presses, can show driving motor's rotational speed and temperature on information panel this moment, drive the grinding wheel through driving motor and begin idle running, after the motor starts finishing, whole equipment of polishing is pushed down to staff's both hands, grinding wheel and work piece contact this moment, the polishing of part has been realized.

(2) The handheld simple polisher is provided with the components such as the reset spring, the limiting protection device and the like, when polishing of a certain surface is completed, a worker can reset the polisher to an original position through the reset spring and adjust the orientation of a workpiece to perform secondary polishing, and compared with the traditional clamp type fixing, the handheld simple polisher has the advantages that the workpiece placing efficiency is improved, and the overall polishing speed of the workpiece can be effectively improved; meanwhile, in the pressing process of the grinding machine, in order to prevent the grinding wheel from contacting with the part supporting plate, the limiting protection device is installed on the bottom surface of the rotating frame, and the problem of damage to the grinding wheel caused by excessive pressing amount of the equipment can be effectively prevented through the contact of the limiting ring and the rotating frame.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the structure of the grinding wheel of the present invention;

FIG. 3 is a partial schematic view of the structure of the rotating ring of the present invention;

fig. 4 is a partial schematic view of the structure of the middle position-limiting support frame of the present invention.

In the figure: 1. polishing a limiting block; 2. a part support plate; 3. a workpiece to be polished; 301. magnetically moving the column; 4. grinding a grinding wheel; 401. rotating the disc; 402. installing a thread groove; 5. a protection frame; 6. a pressing handle is held by a hand; 7. a fixing plate; 8. a rotating frame; 9. an electrical control column; 901. a heat sink; 10. an information panel; 1001. mounting screws on the frame body; 1002. welding the frame body; 11. a return spring; 1101. hooking the screw; 12. a rotating ring; 1201. fixing a nut; 1202. a fixed shaft; 1203. rotating the chute; 1204. rotating the support frame; 13. a limiting protection device; 1301. a limiting ring; 1302. a carriage; 1303. a sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, a hand-held simple sander comprises a part supporting plate 2, a polishing stopper 1 is screwed on the top end of the part supporting plate 2, a workpiece 3 to be polished is mounted on the inner side of the polishing stopper 1 in a contact manner, the right side of the workpiece 3 to be polished is connected with the outer wall of a polishing grinding wheel 4 in a contact manner, a protection frame 5 is fixedly mounted on the outer side of the polishing grinding wheel 4, the protection frame 5 and the polishing grinding wheel 4 are respectively fixed on the bottom surface of an electric control column 9 by a rotating disc 401 and a welding manner, an information panel 10 is mounted on the outer side of the bottom surface of the electric control column 9, the right side of the electric control column 9 is fixedly connected to the inner wall of the left side of a rotating frame 8 by a fixing plate 7, the lower right side of the rotating frame 8 is fixedly connected to one side of a rotating ring 12, the electric control column 9 is connected with a rotating support frame 1204 on the outer side of the rotating ring 12 by a return spring 11, a limit protection device 13 is mounted on the bottom surface of the rotating frame 8 in a contact manner, the welding of the 9 outside one ends of automatically controlled post has handheld pushing down 6, has small, and the hand-held type is polished, can effectively control the position and the degree of accuracy that the work piece polished.

The upper end of a workpiece 3 to be polished is provided with a magnetic moving column 301, and the column is connected with the workpiece to be polished through electric control magnetic connection, so that the steering displacement of the workpiece is realized; the bottom surface of the electric control column 9 is provided with a heat dissipation groove 901 which can quickly discharge heat generated by the motor; the outer side of the grinding wheel 4 is provided with a rotating disc 401 in a contact manner, and the inner side of the rotating disc 401 is provided with a mounting thread groove 402, so that a workpiece can be ground; the rear end of the information panel 10 is fixedly arranged on the outer side of the welding frame body 1002, and a frame body mounting screw 1001 is arranged on a threaded plate on the outer side of the welding frame body 1002, so that the rotating speed and the temperature of the motor can be displayed in real time; the lower end of the reset spring 11 is fixedly connected to the outer side of the hooking screw 1101, the limiting protection device 13 comprises a sliding groove 1303, the upper end face of the sliding groove 1303 is provided with a sliding frame 1302 in a matching manner, and the other side of the sliding frame 1302 is welded with a limiting ring 1301, so that the resetting of the grinding wheel can be realized; the rotating ring 12 comprises a rotating support frame 1204, a fixed shaft 1202 is connected in series with a hole in the inner side of the rotating support frame 1204, a fixed nut 1201 is connected to the left side of the fixed shaft 1202 in a threaded manner, a rotating sliding groove 1203 is formed in the inner side of the rotating support frame 1204, and downward rotation of the grinding wheel 4 can be achieved.

The working principle is as follows: the main body of the handheld simple grinding machine comprises a grinding limiting block 1, a part supporting plate 2, a grinding wheel 4 and the like, and the handheld simple grinding machine is different from a traditional grinding machine, has small volume, can carry out handheld grinding, and can effectively control the grinding position and accuracy of a workpiece; the worker slides the workpiece 3 to be polished to the inner side along the polishing limiting block 1, along with the slow pushing of the workpiece, the workpiece 3 to be polished is contacted with the polishing grinding wheel 4 to polish the workpiece, the vertical height of the polishing grinding wheel 4 is controlled by two hands of the worker, the worker holds the pressing handle 6 by the left hand and holds the electric control column 9 by the right hand, and manually presses the starting button, at the moment, the rotating speed and the temperature of the driving motor are displayed on the information panel 10, the polishing grinding wheel 4 is driven by the driving motor to idle, after the motor is started, the worker presses the whole polishing equipment by two hands, at the moment, the polishing grinding wheel 4 is contacted with the workpiece, the polishing of the part is realized, after the polishing of one surface is finished, the worker can reset the polisher to the original position through the reset spring 11 and adjust the orientation of the workpiece to perform secondary polishing, and the polishing is fixed in comparison with the traditional clamp type, the workpiece placing efficiency is improved, and the overall polishing speed of the workpiece can be effectively improved; meanwhile, in the pressing process of the grinding machine, in order to prevent the grinding wheel 4 from contacting with the part supporting plate 2, the limiting protection device 13 is installed on the bottom surface of the rotating frame 8 and contacts with the rotating frame 8 through the limiting ring 1301, so that the problem of damage to the grinding wheel caused by excessive pressing amount of the equipment can be effectively prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simple and easy polisher of hand-held type, includes part backup pad (2), its characterized in that: the part grinding device is characterized in that a grinding limiting block (1) is connected to the top end of the part supporting plate (2) through screws, a workpiece (3) to be ground is installed on the inner side of the grinding limiting block (1) in a contact mode, the right side of the workpiece (3) to be ground is connected with the outer wall of a grinding wheel (4) in a contact mode, a protection frame (5) is fixedly installed on the outer side of the grinding wheel (4), the protection frame (5) and the grinding wheel (4) are fixed to the bottom surface of an electric control column (9) in a rotating disc (401) and welding mode respectively, an information panel (10) is installed on the outer side of the bottom surface of the electric control column (9), the right side of the electric control column (9) is fixedly connected to the inner wall of the left side of the rotating frame (8) through a fixing plate (7), the right lower side of the rotating frame (8) is fixedly connected to one side of a rotating ring (12), and the electric control column (9) is connected with a rotating supporting frame (1204) on the outer side of the rotating ring (12) through a reset spring (11), the rotating frame (8) is provided with a limiting protection device (13) on the bottom surface in a contact mode, and a handheld pressing handle (6) is welded at one end of the outer side of the electric control column (9).

2. A hand-held compact sander as set forth in claim 1, wherein: and a magnetic moving column (301) is arranged at the upper end of the workpiece (3) to be polished.

3. A hand-held compact sander as set forth in claim 1, wherein: the bottom surface of the electric control column (9) is provided with a heat dissipation groove (901).

4. A hand-held compact sander as set forth in claim 1, wherein: and a rotating disc (401) is installed on the outer side of the grinding wheel (4) in a contact manner, and a mounting thread groove (402) is formed in the inner side of the rotating disc (401).

5. A hand-held compact sander as set forth in claim 1, wherein: the rear end of the information panel (10) is fixedly installed on the outer side of the welding frame body (1002), and a frame body installation screw (1001) is installed on a threaded plate on the outer side of the welding frame body (1002).

6. A hand-held compact sander as set forth in claim 1, wherein: reset spring (11) have lower extreme fixed connection in the hooking screw (1101) outside, spacing protection device (13) include sliding tray (1303), and sliding tray (1302) are installed in sliding tray (1303) up end cooperation, spacing ring (1301) are installed in sliding tray (1302) opposite side welding.

7. A hand-held compact sander as set forth in claim 1, wherein: the rotating ring (12) comprises a rotating support frame (1204), a fixed shaft (1202) is connected in series with an inner side hole of the rotating support frame (1204), a fixed nut (1201) is connected to the left side of the fixed shaft (1202) in a threaded mode, and a rotating sliding groove (1203) is formed in the inner side of the rotating support frame (1204).