CN220074427U

CN220074427U - Polishing jig

Info

Publication number: CN220074427U
Application number: CN202321382945.5U
Authority: CN
Inventors: 宋慧; 顾旭东; 袁泽; 于聪; 刘宗磊; 王海军; 徐永娇
Original assignee: Goertek Optical Technology Co Ltd
Current assignee: Goertek Optical Technology Co Ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-11-24
Anticipated expiration: 2033-05-31

Abstract

The utility model belongs to the technical field of machining, and particularly relates to a polishing jig which comprises a handle and a polishing head rotatably arranged on the handle, wherein a friction surface capable of rotating around the rotation axis of the polishing head is arranged at the lower side of the polishing head; the polishing device also comprises a rotating arm fixedly connected with the polishing head and extending to the upper side of the handle, and a pressure measuring device for measuring the pressure between the rotating arm and the handle, wherein the rotating arm can be pushed to rotate towards the direction close to the handle when the friction surface is pressed. During the use, operating personnel holds the handle, makes the friction surface of polishing head and the surface contact of waiting of work piece, exerts pressure to polishing head through the handle, can promote the rocking arm and rotate to the direction that is close to the handle when the friction surface is pressed, can extrude pressure measurement device, accessible pressure measurement device's reading adjusts the pressure of appling to this accurate control polishing dynamics, solved the unable accurate problem of controlling polishing dynamics of manual polishing, can improve the uniformity of work piece.

Description

Polishing jig

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a polishing jig.

Background

In machining production, machining marks are left on the metal workpiece after cutting, and the surface roughness of the metal workpiece is affected.

At present, many cut metal workpieces are polished manually to reduce the surface roughness of the metal workpieces, and the metal workpieces are mainly polished by auxiliary tools such as oilstone strips, wool wheels, sand paper and the like. The polishing force can not be accurately controlled only by experience, so that polishing effects are different when different operators polish or the same operator polishes different workpieces, and the consistency of the workpieces is poor.

Disclosure of Invention

The utility model aims to provide a polishing jig, which aims to solve the problem that manual polishing cannot accurately control polishing force and can improve the consistency of workpieces.

The utility model discloses a polishing jig which comprises a handle and a polishing head rotatably arranged on the handle, wherein a friction surface capable of rotating around the rotation axis of the polishing head is arranged at the lower side of the polishing head; the polishing device also comprises a rotating arm fixedly connected with the polishing head and extending to the upper side of the handle, and a pressure measuring device for measuring the pressure between the rotating arm and the handle, wherein the rotating arm can be pushed to rotate towards the direction close to the handle when the friction surface is pressed.

As an improvement, the pressure measuring device is fixedly mounted on the handle.

As an improvement, the pressure measuring device is a pressure sensor with a display.

As an improvement, the pressure measuring device comprises a pressure sensor arranged between the rotating arm and the handle, and further comprises a main board, a control panel, a power module, an alarm and a switch, wherein the pressure sensor, the control panel, the power module, the alarm and the switch are respectively and electrically connected with the main board.

As an improvement, the handle is provided with a containing groove, the polishing jig further comprises a panel fixedly installed at the notch of the containing groove, the main board and the power module are fixedly installed between the panel and the containing groove, and the control panel, the alarm and the switch are respectively and fixedly installed on the panel.

As an improvement, the control panel is a touch screen; alternatively, the control panel comprises a display screen and buttons.

As an improvement, the power supply module is a battery; or the power module comprises a transformer fixedly arranged on the main board and a power line electrically connected with the transformer, and the end part of the power line penetrating out of the accommodating groove is connected with an inserting head.

As an improvement, the polishing jig further comprises a mounting seat rotationally connected with the handle, and a detachable connecting structure is arranged between the polishing head and the mounting seat; the rotating arm is fixedly connected with the mounting seat.

As an improvement, the detachable connecting structure comprises a threaded rod fixedly connected with the polishing head, and a threaded hole is formed in the mounting seat; or, the detachable connection structure comprises a prismatic inserting rod fixedly connected with the polishing head, an inserting hole matched with the prismatic inserting rod is formed in the mounting seat, and a magnetic attraction structure is arranged between the bottom of the inserting hole and the end part of the prismatic inserting rod.

As an improvement, a mounting groove is provided at the end of the handle, and the mounting seat is inserted into the mounting groove and rotatably mounted between both groove walls of the mounting groove.

Due to the adoption of the technical scheme, the polishing jig comprises a handle and a polishing head rotatably arranged on the handle, wherein a friction surface capable of rotating around the rotation axis of the polishing head is arranged at the lower side of the polishing head; the polishing device also comprises a rotating arm fixedly connected with the polishing head and extending to the upper side of the handle, and a pressure measuring device for measuring the pressure between the rotating arm and the handle, wherein the rotating arm can be pushed to rotate towards the direction close to the handle when the friction surface is pressed. During the use, operating personnel hold the handle, make the friction surface of polishing head and the face of waiting to polish of work piece contact, apply pressure to the polishing head through the handle, and drive polishing head reciprocating motion and polish the face of waiting to polish of work piece, because the friction surface sets up in the downside department of polishing head, and can promote the rocking arm and rotate to the direction that is close to the handle when the friction surface is pressed, can extrude pressure measurement device, the pressure of applys is adjusted in the reading of accessible pressure measurement device, with this accurate control polishing dynamics, the unable accurate problem of controlling polishing dynamics of manual polishing has been solved, the uniformity of work piece can be improved.

Drawings

FIG. 1 is a schematic top view of a polishing tool of the present utility model;

FIG. 2 is a schematic cross-sectional view of the polishing jig of the present utility model along the line A-A in FIG. 1;

10, a handle; 11. a mounting groove; 20. a polishing head; 21. a friction surface; 22. a threaded rod; 30. a mounting base; 31. a threaded hole; 40. a rotating arm; 50. a pressure sensor; 60. a rotating shaft.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Fig. 1 and 2 are schematic structural views of a polishing jig of the present utility model, wherein fig. 1 shows a schematic top view of the polishing jig of the present utility model, and fig. 2 shows a schematic sectional view of the polishing jig of the present utility model along the line A-A in fig. 1. For convenience of description, only the parts related to the present utility model are shown in the drawings.

It should be noted that, if directional indications are referred to in the present utility model, such as up, down, front, back, left, right, etc., the directional indications are merely used to explain the relative positional relationship between the components in a certain specific posture, and if the specific posture is changed, the directional indications are correspondingly changed; if the description of "first", "second", etc. is referred to in this disclosure, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

When the polishing jig is used, one side of the polishing jig, which is close to the workpiece, is defined as the lower side, and the other side, which is far away from the workpiece, is defined as the upper side. As can be seen from fig. 1 and 2, the polishing jig comprises a handle 10, a polishing head 20 rotatably mounted on the handle 10, a friction surface 21 rotatable about the rotation axis of the polishing head 20 being provided at the lower side of the polishing head 20; the polishing device further comprises a rotating arm 40 fixedly connected with the polishing head 20 and extending to the upper side of the handle 10, and a pressure measuring device for measuring the pressure between the rotating arm 40 and the handle 10, wherein the pressure measuring device is fixedly connected with the rotating arm 40 or the handle 10, and can push the rotating arm 40 to rotate towards the direction approaching the handle 10 when the friction surface 21 is pressed.

When the polishing jig is used, an operator holds the handle 10 of the polishing jig, the friction surface 21 of the polishing head 20 is in contact with a surface to be polished of a workpiece, pressure is applied to the polishing head 20 through the handle 10, and then the operator drives the polishing head 20 to reciprocate to polish the surface to be polished of the workpiece.

In the utility model, the pressure measuring device is fixedly arranged on the handle 10, so that the influence of the dead weight of the pressure measuring device on the reading of the pressure can be avoided, and the reading can be more accurate.

Specifically, the pressure measuring device is a pressure sensor 50 with a display. In order to facilitate the installation, a receiving hole is provided on the handle 10 corresponding to the rotating arm 40, the pressure sensor 50 is fixedly installed in the receiving hole, and an operator can adjust the polishing force through the numerical value displayed by the pressure sensor 50.

As another embodiment, the pressure measuring device may be further configured to include a pressure sensor disposed between the rotating arm 40 and the handle 10, and further include a main board, a control panel, a power module, an alarm, and a switch, where the pressure sensor, the control panel, the power module, the alarm, and the switch are electrically connected to the main board, respectively. When the polishing device is used, the pressure range can be set through the control panel, and when the pressure measured by the pressure sensor exceeds the set pressure range, the alarm gives an alarm for prompting the operator that the polishing force is too large, so that the operator can polish the workpiece more conveniently.

In order to facilitate the installation, a containing groove is arranged on the handle 10, the polishing jig further comprises a panel fixedly arranged at the notch of the containing groove, the main board and the power module are fixedly arranged between the panel and the containing groove, and the control panel, the alarm and the switch are respectively and fixedly arranged on the panel. Generally, the panel is fixedly installed at the notch of the accommodating groove in a mode of screw fixation, buckle clamping and the like.

Specifically, the alarm is a buzzer, and may be a flashing lamp.

Specifically, the control panel is a touch screen; of course, the control panel can also be provided in the following structural form, including a display screen and buttons.

Specifically, the power module is a battery; of course, the power module comprises a transformer fixedly arranged on the main board and a power wire electrically connected with the transformer, and the end part of the power wire penetrating out of the accommodating groove is connected with the plug connector.

In the utility model, the polishing jig further comprises a mounting seat 30 rotatably connected with the handle 10, and a detachable connecting structure is arranged between the polishing head 20 and the mounting seat 30; the swivel arm 40 is fixedly connected to the mount 30, and typically, the swivel arm 40 is integrally connected to the mount 30. The polishing head 20 can be replaced to facilitate polishing of different workpieces, and can be replaced after the polishing head 20 wears.

Specifically, the detachable connection structure includes a threaded rod 22 fixedly connected to the polishing head 20, and a threaded hole 31 is provided in the mounting base 30.

As another embodiment, the detachable connection structure may also be configured in a structure form including a prismatic plugging rod fixedly connected with the polishing head 20, a plugging hole adapted to the prismatic plugging rod is provided on the mounting seat 30, and a magnetic attraction structure is provided between a hole bottom of the plugging hole and an end portion of the prismatic plugging rod. In general, the magnetic attraction structure includes magnets fixedly installed at the bottoms of the insertion holes and the ends of the prismatic insertion rods, respectively, or magnets and iron sheets are fixed at the bottoms of the insertion holes and the ends of the prismatic insertion rods, respectively.

In the present utility model, the friction surface 21 is generally provided as an arcuate surface as shown in fig. 2, but may be provided as a flat surface.

In the present utility model, for easy installation, a mounting groove 11 is provided at an end of the handle 10, the mounting seat 30 is inserted into the mounting groove 11 and rotatably mounted between both groove walls of the mounting groove 11, and generally, a rotation shaft 60 is fixed between both groove walls of the mounting groove 11, and a serial through hole is correspondingly provided on the mounting seat 30.

The foregoing description of the embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. The polishing jig is characterized by comprising a handle and a polishing head rotatably arranged on the handle, wherein a friction surface capable of rotating around the rotation axis of the polishing head is arranged at the lower side of the polishing head; the polishing device also comprises a rotating arm fixedly connected with the polishing head and extending to the upper side of the handle, and a pressure measuring device for measuring the pressure between the rotating arm and the handle, wherein the rotating arm can be pushed to rotate towards the direction close to the handle when the friction surface is pressed.

2. The polishing tool of claim 1, wherein the pressure measurement device is fixedly mounted on the handle.

3. The polishing jig of claim 2, wherein the pressure measurement device is a pressure sensor with a display.

4. The polishing jig of claim 2, wherein the pressure measurement device comprises a pressure sensor disposed between the swivel arm and the handle, and further comprises a main board, a control panel, a power module, an alarm, and a switch, the pressure sensor, the control panel, the power module, the alarm, and the switch being electrically connected to the main board, respectively.

5. The polishing jig according to claim 4, wherein a receiving groove is provided on the handle, the polishing jig further comprises a panel fixedly installed at a notch of the receiving groove, the main board and the power module are fixedly installed between the panel and the receiving groove, and the control panel, the alarm and the switch are fixedly installed on the panel, respectively.

6. The polishing jig of claim 5, wherein the control panel is a touch screen; alternatively, the control panel comprises a display screen and buttons.

7. The polishing jig of claim 5, wherein the power module is a battery; or the power module comprises a transformer fixedly arranged on the main board and a power line electrically connected with the transformer, and the end part of the power line penetrating out of the accommodating groove is connected with an inserting head.

8. The polishing jig according to any one of claims 1 to 7, further comprising a mount rotatably connected to the handle, a detachable connection structure being provided between the polishing head and the mount; the rotating arm is fixedly connected with the mounting seat.

9. The polishing jig of claim 8, wherein the detachable connection structure comprises a threaded rod fixedly connected with the polishing head, and a threaded hole is formed in the mounting seat; or, the detachable connection structure comprises a prismatic inserting rod fixedly connected with the polishing head, an inserting hole matched with the prismatic inserting rod is formed in the mounting seat, and a magnetic attraction structure is arranged between the bottom of the inserting hole and the end part of the prismatic inserting rod.

10. The polishing jig of claim 8, wherein a mounting groove is provided at an end of the handle, the mount being inserted into the mounting groove and rotatably mounted between two groove walls of the mounting groove.