CN212265379U

CN212265379U - Shaft step end face polishing device

Info

Publication number: CN212265379U
Application number: CN202021855608.XU
Authority: CN
Inventors: 赵长水; 许仲秋; 黄金辉
Original assignee: Hengshan Gear Co ltd
Current assignee: Hengshan Gear Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-01-01
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a shaft step terminal surface burnishing device, including the speed reducer, the speed reducer includes the output hollow shaft, the last fixed rotary table that is equipped with of output hollow shaft, fixed rotary table is including the briquetting that is located the up end, be located central shaft hole of central authorities, be located fixed rotary table bottom central authorities and be used for connecting the connecting axle of output hollow shaft, the briquetting passes through locking bolt to be fixed on fixed rotary table, the connecting axle is hollow at the middle part, its internal diameter size is unanimous with the diameter in central shaft hole, install the hollow shaft in the connecting axle, the hollow shaft passes central shaft hole and the up end parallel and level of the up end of hollow shaft and fixed rotary table, fixed rotary table's up end is equipped with abrasive paper, abrasive paper central authorities are equipped with the concentric round hole with central. This device can effectively deburring and polishing, compares in manual abrasive paper and polishes, has not only improved work efficiency, and the effect of polishing moreover is better, has reduced abrasive paper's waste, practices thrift the cost.

Description

Shaft step end face polishing device

Technical Field

The utility model relates to a polishing equipment technical field especially relates to an axle step terminal surface burnishing device.

Background

After the shaft workpiece is machined, a certain burr is often left, wherein the burr comprises a step end face. The common deburring method mainly comprises the following steps: manual sanding, sanding by installing a hand wheel and a buffing wheel on a lathe, sanding by a buffing machine or grinding machine, etc., and the cost of these three methods is also increasing step by step. In order to save costs, many factories use manual sanding to remove burrs.

And to manual abrasive paper polish, polish the burr of axle step terminal surface through manual pressing abrasive paper, need make a round trip to polish many times just can get rid of the burr, still can appear polishing unclean condition, need consume a lot of abrasive paper moreover, so not only efficiency is lower, and the abrasive paper that uses is too much moreover, can increase certain cost.

It can be seen that the current mode with lower cost is just to polish through manual abrasive paper, but has the extravagant and the inefficiency condition of abrasive paper again, so, it is the current urgent problem that needs to solve to reduce the extravagant and raise the efficiency of abrasive paper.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a shaft step terminal surface burnishing device is provided for improve the lower problem of manual abrasive paper efficiency of polishing, and can reduce the abrasive paper extravagant, practice thrift the cost.

In order to achieve the purpose of the invention, the utility model adopts the following scheme: a shaft step end surface polishing device comprises a speed reducer, wherein the speed reducer comprises an output hollow shaft, the output hollow shaft is provided with a fixed turntable which comprises a pressing block positioned on the upper end surface, a central shaft hole positioned in the center and a connecting shaft positioned in the center of the bottom of the fixed turntable and used for connecting the output hollow shaft, the pressing block is fixed on the fixed turntable through a locking bolt, the connecting shaft is hollow in the middle, the inner diameter of the hollow shaft is consistent with the diameter of the central shaft hole, a hollow shaft is arranged in the connecting shaft, the hollow shaft passes through the central shaft hole, the upper end face of the hollow shaft is flush with the upper end face of the fixed turntable, the upper end surface of the fixed turntable is provided with sand paper, the center of the sand paper is provided with a round hole concentric with the central shaft hole, the round hole is consistent with the inner diameter of the hollow shaft, and the distance from the pressing block to the center of the central shaft hole is larger than the inner diameter of the hollow shaft.

Preferably, the number of compacts is at least two.

More preferably, each briquetting is evenly distributed on the upper end face of fixed carousel at an interval.

More preferably, the sandpaper is metallographic sandpaper.

More preferably, the connecting shaft is fixed on the output hollow shaft through a set screw B, and the hollow shaft is fixed on the connecting shaft through a set screw a.

The utility model has the advantages that: insert the hollow shaft with the axle at first, take the step terminal surface of burr to press on the abrasive paper of fixed carousel, then drive abrasive paper through the speed reducer and rotate, polish the step terminal surface, can effectively get rid of the burr, compare and polish in manual abrasive paper, not only improved work efficiency, the effect of polishing moreover is better, has reduced the waste of abrasive paper, practices thrift the cost.

Drawings

Fig. 1 is a schematic overall structure diagram in an embodiment of the present invention;

FIG. 2 is a partial sectional view of an inserted gear shaft in the embodiment;

fig. 3 is a schematic top view of the fixed turntable in the embodiment.

In the figure:

1-speed reducer 2-output hollow shaft 3-connecting shaft

4-fixed rotary disc 5-locking bolt 6-pressing block

7-set screw A8-set screw B9-sand paper 10-hollow shaft 11-gear shaft.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-3, a shaft step end surface polishing device comprises a speed reducer 1, the speed reducer 1 comprises an output hollow shaft 2, a fixed turntable 4 is arranged on the output hollow shaft 2, the fixed turntable 4 comprises a pressing block 6 positioned on the upper end surface, a central shaft hole positioned in the center, and a connecting shaft 3 positioned in the center of the bottom of the fixed turntable 4 and used for connecting the output hollow shaft 2, the pressing block 6 is fixed on the fixed turntable 4 through a locking bolt 5, the connecting shaft 3 is hollow in the middle, the inner diameter of the hollow shaft is consistent with the diameter of the central shaft hole, a hollow shaft 10 is arranged in the connecting shaft 3, the hollow shaft 10 penetrates through the central shaft hole, the upper end face of the hollow shaft 10 is flush with the upper end face of the fixed turntable 4, the upper end face of the fixed turntable 4 is provided with abrasive paper 9, the center of the abrasive paper 9 is provided with a round hole 12 which is concentric with the central shaft hole, the size of the round hole 12 is consistent with the inner diameter of the hollow shaft 10, and the distance from the pressing block 6 to the center of the central shaft hole is larger than the inner diameter of the hollow shaft 10.

When the shaft step end face polishing device provided by the embodiment works, firstly, the speed reducer 1 is fixedly installed on the workbench, then the fixed rotary table 4 is fixed on the output hollow shaft 2, then the hollow shaft 10 penetrates through the central shaft hole and is inserted into the connecting shaft 3, the upper end face of the hollow shaft 10 is flush with the upper end face of the fixed rotary table 4, then the abrasive paper 9 is laid on the upper end face of the fixed rotary table 4, the round hole 12 is aligned with the inner hole of the hollow shaft 10, then the abrasive paper 9 is pressed by the pressing block 6, and the locking bolt 5 is screwed; at this time, an operator holds one end of the gear shaft 11 with a hand, inserts the other end of the gear shaft 11 into the hollow shaft 10, presses the step end face of the gear shaft 11 on the sand paper 9 to contact with the sand paper 9, and then the part of the gear shaft 11 inserted into the hollow shaft 10 has a gap with the hollow shaft 10, and then starts the speed reducer 1 to perform deburring and polishing work. This device passes through speed reducer 1 and drives abrasive paper 9 and rotates, and the step terminal surface of polishing can effectively the deburring, compares in manual abrasive paper 9 and polishes, has not only improved work efficiency, and the effect of polishing moreover is better, has reduced abrasive paper 9's waste, practices thrift the cost.

It should be noted that, the size of the hollow shaft 10 in this embodiment can be configured according to the sizes of different shafts, and the effect of quickly changing the mold can be achieved, so that one apparatus can be used for deburring and polishing the end faces of the steps of the shafts with different sizes, and the cost is further saved. The fixed turntable 4 and the connecting shaft 3 may be integrally formed, or may be fixedly connected by two components, and the length of the connecting shaft 3 may be configured according to the lengths of different shafts.

In the present embodiment, the number of pressing pieces 6 is preferably at least two, for example four, and a strong pressing force can be applied to sandpaper 9.

More preferably, each pressing block 6 is uniformly distributed on the upper end surface of the fixed turntable 4 at intervals, so that the sand paper 9 can be pressed by uniform pressing force, and the firmness is better.

In addition, in the present embodiment, more preferably, the sandpaper 9 is metallographic sandpaper; the connecting shaft 3 is fixed on the output hollow shaft 2 by a set screw B8, and the hollow shaft 10 is fixed on the connecting shaft 3 by a set screw a 7.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed for the preferred embodiment, the present invention is not limited to the product form and the pattern, and any person skilled in the art can make some modifications or modifications to the equivalent embodiment of the equivalent variations without departing from the technical scope of the present invention, but all the contents of the technical solutions of the present invention are still within the scope of the patent of the technical solution of the present invention.

Claims

1. The utility model provides a shaft step terminal surface burnishing device which characterized in that: including speed reducer (1), speed reducer (1) is including output hollow shaft (2), fixed rotary table (4) are equipped with on output hollow shaft (2), fixed rotary table (4) is including briquetting (6) that is located the up end, the central axis hole that is located central authorities, connecting axle (3) that is located fixed rotary table (4) bottom central authorities and is used for connecting output hollow shaft (2), briquetting (6) are fixed on fixed rotary table (4) through locking bolt (5), connecting axle (3) are hollow in the middle part, and its internal diameter size is unanimous with the diameter in central axis hole, install hollow shaft (10) in connecting axle (3), hollow shaft (10) pass central axis hole and the up end parallel and level of the up end of hollow shaft (10) and fixed rotary table (4), the up end of fixed rotary table (4) is equipped with abrasive paper (9), abrasive paper (9) central authorities are equipped with round hole (12) concentric with central axis hole, the inner diameters of the round hole (12) and the hollow shaft (10) are the same, and the distance from the pressing block (6) to the center of the central shaft hole is larger than the inner diameter of the hollow shaft (10).

2. The shaft step end face polishing device according to claim 1, characterized in that: the number of the pressing blocks (6) is at least two.

3. The shaft step end face polishing device according to claim 2, characterized in that: each pressing block (6) is uniformly distributed on the upper end surface of the fixed turntable (4) at intervals.

4. The shaft step end face polishing device according to claim 3, characterized in that: the sand paper (9) is metallographic sand paper.

5. The shaft step end face polishing device according to claim 4, characterized in that: the connecting shaft (3) is fixed on the output hollow shaft (2) through a set screw B (8), and the hollow shaft (10) is fixed on the connecting shaft (3) through a set screw A (7).