CN215617366U

CN215617366U - Damping device for sander

Info

Publication number: CN215617366U
Application number: CN202121663763.6U
Authority: CN
Inventors: 李爽
Original assignee: Xiangyang Xinruida Precision Machinery Co ltd
Current assignee: Xiangyang Xinruida Precision Machinery Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-25
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to the technical field of sanding machines, and discloses a damping device used on a sanding machine, which comprises a hand-held sanding machine body, wherein a rotating shaft is arranged below the right side of the hand-held sanding machine body, a fixed disc is arranged at the bottom end of the rotating shaft, a positioning rod is fixedly arranged at the bottom of the fixed disc, a spring sleeve, a limiting disc and a sanding disc are movably sleeved on the positioning rod, a first screw rod is fixedly arranged at the lower end of the positioning rod, a first screw cap is connected onto the first screw rod in a threaded manner and is attached to the bottom of the sanding disc, a bull-eye bearing is fixedly arranged on the limiting disc opposite to one side surface of the sanding disc and is attached to the top of the sanding disc, a second screw rod is fixedly arranged on the top of the limiting disc, so that the sanding disc can be buffered and damped better, and acid ramie is not easily generated on the hand of a user when the user uses the hand for a long time, the better use of the user of being convenient for is polished the mill to the work piece, increases work efficiency.

Description

Damping device for sander

Technical Field

The utility model belongs to the technical field of sanding machines, and particularly relates to a damping device for a sanding machine.

Background

The grinder is a common device used for sharpening various cutters and tools, and is also used for grinding, deburring, cleaning and the like of common small parts. It is mainly composed of base, grinding wheel, motor or other power source, bracket, protective cover and water feeder. It can be divided into a hand-held grinder, a vertical grinder, a suspended grinder, a bench grinder, etc.

The structure of the handheld grinder needs to be improved, and meanwhile, the utility model provides a damping device used on the sander, which is convenient for better solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the above-mentioned proposed problems, a damping device for use in a sanding machine is provided.

The technical scheme adopted by the utility model is as follows:

the utility model provides a damping device for on grinder, includes handheld grinder body, the right side below of handheld grinder body is provided with the pivot, and the bottom of pivot installs the fixed disk, the bottom fixed mounting of fixed disk has the locating lever, and the activity has cup jointed spring housing, spacing dish and the dish of polishing on the locating lever, the lower extreme fixed mounting of locating lever has first screw rod, threaded connection has first nut on the first screw rod, and the laminating of first nut is in the bottom of polishing dish, a side fixed mounting of relative polishing dish of spacing dish has the bull's eye bearing, and the laminating of bull's eye bearing and the top of polishing dish mutually, the top fixed mounting of spacing dish has the second screw rod, and the activity of second screw rod top is pegged graft in the fixed disk, threaded connection has the second nut on the second screw rod, and the second screw rod antetheca is carved with the scale mark.

In a preferred embodiment, the rotating shaft and the fixed disk are installed through screws, the positioning rod is fixedly installed at the center of the bottom of the fixed disk, and the positioning rod is of a regular hexagon structure.

In a preferred embodiment, the limiting disc is located on the inner side of the spring sleeve and the polishing disc, the upper end of the spring sleeve is fixedly installed at the bottom of the fixed disc, and the lower end of the spring sleeve is fixedly installed at the top of the limiting disc.

In a preferred embodiment, the bull's eye bearing is annular fixed mounting on the relative side of polishing the dish of spacing dish, six are no less than to the quantity of bull's eye bearing, spacing dish and polishing dish and locating lever looks adaptation.

In a preferred embodiment, the second screw is fixedly installed at the opposite position around the top of the limiting disc, a through hole matched with the second screw is formed in the position, opposite to the second screw, of the fixed disc, and the handheld sander body is electrically connected with an external power supply.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: better buffering the shock attenuation to the mill of being convenient for, user's the difficult sour numb that produces of user's hand when using for a long time this moment, and the better use of the convenient to use mill of polishing the work piece increases work efficiency.

1. According to the utility model, the fixed disc is fixedly arranged at the lower end of the rotating shaft, so that the position of the positioning rod can be conveniently positioned through the fixed disc, the limiting disc and the polishing disc are sleeved on the positioning rod, so that the positions of the limiting disc and the polishing disc are conveniently limited, the first screw rod is fixedly arranged at the bottom end of the positioning rod, so that the first nut is conveniently in threaded connection with the first screw rod, and at the moment, the first nut can limit the position of the polishing disc.

2. According to the utility model, the annular eyelet bearing is fixedly arranged on one side surface of the limiting disc opposite to the polishing disc, so that the polishing disc can rotate more stably under the action of the eyelet bearing, the second screw is fixedly arranged on the periphery of the top of the limiting disc, so that the second screw can be movably inserted into the fixed disc, the limiting disc can be better limited, the second screw is in threaded connection with a second nut, so that the moving distance between the limiting disc and the polishing disc can be conveniently positioned and adjusted through the matching of the second screw and the second nut, scale marks are engraved on the second screw, so that the positions of the limiting disc and the polishing disc can be better positioned and adjusted through the scale marks, the spring sleeve is sleeved on the positioning rod, and the polishing disc can be conveniently buffered and damped under the action of the spring sleeve.

Drawings

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

FIG. 2 is an enlarged view of the structure of area A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a positioning rod of the present invention.

The labels in the figure are: 1-hand-held sander body, 2-rotating shaft, 3-fixed disk, 4-positioning rod, 5-spring housing, 6-spacing disk, 7-sanding disk, 8-first screw, 9-first nut, 10-bull eye bearing, 11-second screw, 12-second nut, 13-scale mark.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-3, a damping device for a sander comprises a handheld sander body 1, the handheld sander body 1 is electrically connected with an external power supply, a rotating shaft 2 is arranged below the right side of the handheld sander body 1, a fixed disc 3 is arranged at the bottom end of the rotating shaft 2, the position of a positioning rod 4 can be conveniently positioned through the fixed disc 3, a through hole matched with a second screw 11 is formed in the position of the fixed disc 3, which is opposite to the second screw 11, a positioning rod 4 is fixedly arranged at the bottom of the fixed disc 3 through the rotating shaft 2 and the fixed disc 3, the positioning rod 4 is fixedly arranged at the central position of the bottom of the fixed disc 3, the positioning rod 4 is in a regular hexagon structure, a spring sleeve 5, a limiting disc 6 and a polishing disc 7 are movably sleeved on the positioning rod 4, the positions of the limiting disc 6 and the polishing disc 7 are conveniently limited, and under the action of the spring sleeve 5, the damping device has the advantages that the damping device has a damping effect on a polishing disc 7, the limiting disc 6 and the polishing disc 7 are matched with the positioning rod 4, the limiting disc 6 is positioned at the inner sides of the spring sleeve 5 and the polishing disc 7, the upper end of the spring sleeve 5 is fixedly arranged at the bottom of the fixed disc 3, the lower end of the spring sleeve 5 is fixedly arranged at the top of the limiting disc 6, the lower end of the positioning rod 4 is fixedly provided with a first screw 8, a first nut 9 is conveniently connected onto the first screw 8 in a threaded manner, the first nut 9 can limit the position of the polishing disc 7 at the moment, the first nut 9 is connected onto the first screw 8 in a threaded manner, the first nut 9 is attached to the bottom of the polishing disc 7, a bull's eye bearing 10 is fixedly arranged on one side face of the limiting disc 6 opposite to the polishing disc 7, the bull's eye bearing 10 is a conventional bull's eye ball assembly, the bull's eye bearing 10 is attached to the top of the polishing disc 7, and under the action of the bull's eye bearing 10, make the mill 7 rotatory more stable, bull's eye bearing 10 is annular fixed mounting on the side of spacing dish 6 relative mill 7, six are no less than to bull's eye bearing 10 quantity, the top fixed mounting of spacing dish 6 has second screw rod 11, and the activity of second screw rod 11 top is pegged graft in fixed disk 3, be convenient for peg graft second screw rod 11 activity in having fixed disk 3, better spacing dish 6 carries on spacingly, second screw rod 11 fixed mounting is at spacing dish 6 top relative position all around, threaded connection has second nut 12 on the second screw rod 11, be convenient for through the cooperation of second screw rod 11 and second nut 12, can fix a position the regulation to the interval that spacing dish 6 and mill 7 removed, and second screw rod 11 antetheca sculpture has scale mark 13, be convenient for fix a position the regulation through the better position to spacing dish 6 and mill 7 of scale mark 13.

The working principle is as follows:

in the application, a fixed disk 3 is arranged at the lower end of a rotating shaft 2 through a screw, a polishing disk 7 is sleeved on a positioning rod 4, the polishing disk 7 is attached to a bull eye bearing 10, a first screw cap 9 is in threaded connection with a first screw rod 8, the position of the polishing disk 7 can be limited, a second screw cap 12 can be adjusted to the appointed position of a second screw rod 11 through observing a scale mark 13, a handheld sander body 1 is started, the polishing disk 7 can be used for polishing a workpiece, when the workpiece is polished, the hand of a user can apply force to the handheld sander body 1, the polishing disk 7 can polish the workpiece better, the polishing disk 7 drives a limiting disk 6 and the second screw rod 11 to move upwards, the buffering and damping effects are achieved under the effect of a spring sleeve 5, the acting force on the hand of the user is reduced, and the hand of the user is not prone to cause ache, the workpiece can be polished better by a user.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a damping device for on grinder, includes handheld grinder body (1), its characterized in that: a rotating shaft (2) is arranged below the right side of the handheld sander body (1), a fixed disc (3) is installed at the bottom end of the rotating shaft (2), a positioning rod (4) is fixedly installed at the bottom of the fixed disc (3), a spring sleeve (5), a limiting disc (6) and a polishing disc (7) are movably sleeved on the positioning rod (4), a first screw (8) is fixedly installed at the lower end of the positioning rod (4), a first nut (9) is connected to the first screw (8) in a threaded manner, the first nut (9) is attached to the bottom of the polishing disc (7), a bull's eye bearing (10) is fixedly installed on one side face of the limiting disc (6) opposite to the polishing disc (7), the bull's eye bearing (10) is attached to the top of the polishing disc (7), a second screw (11) is fixedly installed at the top of the limiting disc (6), and the second screw (11) is movably inserted into the fixed disc (3) above, and a second screw cap (12) is connected to the second screw rod (11) in a threaded manner, and scale marks (13) are carved on the front wall of the second screw rod (11).

2. A cushioning device for use in a sanding machine as defined in claim 1, wherein: the rotating shaft (2) and the fixed disc (3) are installed through screws, the positioning rod (4) is fixedly installed at the center of the bottom of the fixed disc (3), and the positioning rod (4) is of a regular hexagon structure.

3. A cushioning device for use in a sanding machine as defined in claim 1, wherein: spacing dish (6) are located the inboard of spring housing (5) and polishing dish (7), the upper end fixed mounting of spring housing (5) is in the bottom of fixed disk (3), and the lower extreme fixed mounting of spring housing (5) is at the top of spacing dish (6).

4. A cushioning device for use in a sanding machine as defined in claim 1, wherein: the bull's eye bearing (10) are annular fixed mounting on the side of spacing dish (6) relative polishing dish (7), six are no less than in the quantity of bull's eye bearing (10), spacing dish (6) and polishing dish (7) and locating lever (4) looks adaptation.

5. A cushioning device for use in a sanding machine as defined in claim 1, wherein: second screw rod (11) fixed mounting is in relative position all around at the top of spacing dish (6), the through-hole with second screw rod (11) looks adaptation is seted up to the position of fixed disk (3) relative second screw rod (11), handheld grinder body (1) and external power electric connection.