CN213470772U - Polishing head device - Google Patents
Polishing head device Download PDFInfo
- Publication number
- CN213470772U CN213470772U CN202022134927.8U CN202022134927U CN213470772U CN 213470772 U CN213470772 U CN 213470772U CN 202022134927 U CN202022134927 U CN 202022134927U CN 213470772 U CN213470772 U CN 213470772U
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- polishing
- sleeve
- connecting rod
- rod
- head
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Abstract
The utility model provides a polishing head device, which comprises a polishing head rod, a sleeve, a connecting rod and a spring, wherein the connecting rod is in threaded connection with the polishing head rod; the connecting rod is in sliding fit in the sleeve; the grinding head rod is in clearance fit with the sleeve; the outer periphery of the grinding head rod, the inner periphery of the sleeve and one end of the connecting rod form a gap, and a spring is arranged in the gap. The utility model discloses a polishing head device simple structure, the centre gripping is powerful, can form the angle of polishing, and the plane of the paper section of polishing and the conical surface of polishing head can form the same contained angle of the fly sword of an adaptive when polishing, but floatability adaptation looks transversal when polishing the aperture.
Description
Technical Field
The utility model relates to an automatic change mechanical technical field, especially relate to an auxiliary polishing paper section takes shape polishes head device.
Background
The surface of a small oil hole which needs to be polished exists on the automobile crankshaft. How to realize the automatic grinding is a difficult problem in the industry. At present, workers in a processing plant generally polish by using a self-made polishing rubber head and a small piece of polishing paper which is cut manually, but manual treatment can cause unstable product quality, high rejection rate, high labor intensity and large polishing dust, and can harm the workers and the environment. Thus, there is a need to automate the process of grinding with a grinding paper segment. In the automatic modification process of the polishing process, a large amount of deformed polishing paper segments (such as sand paper) are needed, and how to form the polishing paper segments into the required shape is one of the problems to be solved urgently.
Disclosure of Invention
In order to solve the defects existing in the prior art, the utility model aims to provide a polishing head device, which comprises a polishing head rod, a sleeve, a connecting rod and a spring, wherein
The connecting rod is connected with the grinding head rod;
the connecting rod is arranged in the sleeve;
the connecting rod and the grinding head rod are in clearance fit with the sleeve respectively;
the spring is arranged in the sleeve and sleeved on the connecting rod.
Furthermore, one end of the grinding head rod is provided with a conical grinding head, and the tip of the grinding head is provided with a thimble.
Further, 2 stepped holes are formed in the sleeve, the inner diameter of the first stepped hole is equal to the outer diameter of the grinding head rod main body, and the inner diameter of the second stepped hole is equal to the outer diameter of the connecting rod.
Still further, the outer surface of the sanding head and the end surface of the sleeve are provided with friction surfaces.
The utility model discloses a head device of polishing has following beneficial effect: the paper grinding machine is simple in structure, powerful in clamping and capable of forming a grinding angle, a plane of a grinding paper section and a conical surface of a grinding head can form an adaptive included angle which is the same as that of a fly cutter when grinding, and the paper grinding machine can float to adapt to an intersecting line when grinding small holes.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the invention for the purpose of explanation and not limitation of the invention. In the drawings:
fig. 1 is a front view of a polishing head device according to the present invention;
FIG. 2 is a cross-sectional view taken along line AA of FIG. 1;
FIG. 3 is a schematic view of the polishing head device of the present invention;
fig. 4 is a partial schematic view of a sanding head apparatus according to the present invention;
fig. 5 is a schematic view of the working process of the polishing head device according to the present invention;
fig. 6 is a partial schematic view of a polishing head device and polishing paper according to the present invention;
fig. 7 is a schematic diagram of the friction surface distribution of the polishing head device and the polishing paper segment according to the present invention.
In the figure, 1-grinding head rod, 2-sleeve, 3-connecting rod, 4-spring and 5-grinding paper segment.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Fig. 1 is a front view of a polishing head device according to the present invention, and fig. 2 is a cross-sectional view taken along line AA of fig. 1, as shown in fig. 1-2, the polishing head device of the present invention comprises a polishing head rod 1, a sleeve 2, a connecting rod 3, and a spring 4, wherein,
the inside of sleeve 2 is provided with 2 shoulder holes, and the internal diameter of first shoulder hole equals the external diameter of grinding head pole 1, and the internal diameter of second shoulder hole equals the external diameter of connecting rod 3.
One end of the grinding head rod 1 is provided with a conical grinding head, and the other end of the grinding head rod is arranged in the connecting rod 3 through threads; during sleeve 2 was twisted with the screw to connecting rod 3, through clearance fit between sleeve 2 and the bistrique pole 1, bistrique pole 1 can be in the sleeve activity from top to bottom, and spring 4 cover is outside the bistrique pole, in the section of thick bamboo of sleeve 2, and spring 4 is being pressed to connecting rod 3 front end, and through the length of change twist sleeve 2, the spring force of tight paper tape of change clamp.
Fig. 3 is a schematic connection diagram of the polishing head device of the present invention, as shown in fig. 3, 2 stepped holes are provided inside the sleeve, the inner diameter of the first stepped hole is equal to the outer diameter of the polishing head rod main body, the inner diameter of the second stepped hole is equal to the outer diameter of one end of the connecting rod, and the position a is in a thread fit relationship; the position B is in clearance fit, and the sleeve 2 can slide up and down on the connecting rod 3; the position C is in clearance fit, and the sleeve 2 can slide up and down on the grinding head rod 3.
Fig. 4 is according to the utility model discloses a local schematic diagram of head of polishing device, as shown in fig. 4 the utility model discloses an in the embodiment, the circular cone end of head of polishing is equipped with the thimble for impale the paper of polishing and then fixed paper of polishing.
Fig. 5 is a schematic view of the working process of the polishing head device according to the present invention. The following detailed description of the operation of the polishing head device with reference to fig. 5 helps to understand the structural principle of the polishing head device of the present invention.
Initial state of the sanding head arrangement, in which state the connecting rod 3 is not stressed.
The connecting rod 3 drives the polishing rod 1 to move downwards under the action of pressure, so that the polishing paper segment moves downwards under the action of the polishing head and is approximately attached to the surface of the polishing head. Preferably, the connecting rod 3 is moved downward by 20mm under pressure.
The ground paper segment continues to deform under the lateral forces indicated by the arrows.
The upper end of the connecting rod 3 is not acted by external tension any more, and the connecting rod rebounds under the action of spring force and drives the polishing rod 1 to move upwards, so that the polishing paper segment continues to deform to the required shape under the further extrusion of the sleeve and the polishing rod.
Fig. 6 shows the schematic diagram of the polishing paper segment after deformation on the polishing head, as shown in fig. 6, the utility model has the advantages of, the shape of polishing head can set up to be applicable to the toper of waiting to polish the aperture to make the polishing paper after the deformation can laminate better in the polishing process and wait to polish the aperture surface.
Fig. 7 is according to the utility model discloses a polish head device and the friction surface distribution sketch map of polishing paper section, as shown in fig. 7, for the better centre gripping paper section of polishing and the aperture of polishing, the utility model discloses a polish head 1's conical surface and sleeve 2's terminal surface are provided with the friction surface, increase frictional force to overhead friction surface has also been increased polishing.
Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A polishing head device is characterized by comprising a polishing head rod, a sleeve, a connecting rod and a spring, wherein,
the connecting rod is connected with the grinding head rod;
the connecting rod is arranged in the sleeve;
the connecting rod and the grinding head rod are in clearance fit with the sleeve respectively;
the spring is arranged in the sleeve and sleeved on the connecting rod.
2. The sanding head device of claim 1 wherein the sanding head rod is provided at one end with a conical sanding head having a tip with a spike.
3. The sanding head device of claim 1 wherein the sleeve is internally provided with 2 stepped bores, a first stepped bore having an inner diameter equal to the outer diameter of the sanding head rod body and a second stepped bore having an inner diameter equal to the outer diameter of the connecting rod.
4. The sanding head device of claim 1 wherein the sanding head outer surface and the end surface of the sleeve are provided with friction surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022134927.8U CN213470772U (en) | 2020-09-25 | 2020-09-25 | Polishing head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022134927.8U CN213470772U (en) | 2020-09-25 | 2020-09-25 | Polishing head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213470772U true CN213470772U (en) | 2021-06-18 |
Family
ID=76363383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022134927.8U Active CN213470772U (en) | 2020-09-25 | 2020-09-25 | Polishing head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213470772U (en) |
-
2020
- 2020-09-25 CN CN202022134927.8U patent/CN213470772U/en active Active
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