CN210549669U - Tool for milling and flattening multiple faces with 90-degree included angle on shaft workpiece - Google Patents
Tool for milling and flattening multiple faces with 90-degree included angle on shaft workpiece Download PDFInfo
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- CN210549669U CN210549669U CN201921404789.1U CN201921404789U CN210549669U CN 210549669 U CN210549669 U CN 210549669U CN 201921404789 U CN201921404789 U CN 201921404789U CN 210549669 U CN210549669 U CN 210549669U
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Abstract
The utility model relates to a multi-surface milling flat processing tool with a 90-degree included angle on an axle workpiece, which comprises a tool base, an axle fixture block, a first pressing plate and a second pressing plate; one side of each of the two pressing plates is provided with a concave arc positioning surface; the shaft clamping block is a square block and is provided with a first shaft through hole, a first pressing plate is inserted into the first shaft through hole to form a circular hole, and the shaft clamping block is provided with a jackscrew hole which is internally provided with a jackscrew, so that a shaft to be processed is fixedly pressed on the shaft clamping block; a second shaft through hole is formed in the tool base, a shaft clamping block mounting cavity is formed in one end of the second shaft through hole and is a square cavity consistent with the outer contour shape of the shaft clamping block, jack screw avoiding grooves are formed in four sides of the square cavity, and the shaft clamping block is embedded in the square cavity; the second pressing plate is inserted into the second shaft through hole and surrounds the second shaft through hole to form a round hole, a threaded hole is formed in the tool base, and a compression screw is connected in the threaded hole to enable a shaft workpiece to be machined to be pressed and fixed on the tool base. The tool reduces the auxiliary clamping and positioning time and improves the processing efficiency.
Description
Technical Field
The utility model belongs to the technical field of axle type work piece processing, a flat processing technique is milled to axle type work piece is related to, concretely relates to multiaspect that is 90 contained angles on axle type work piece mills flat processing and uses frock.
Background
The shaft workpiece is usually provided with a milling flat structure, the milling flat structure can be used for being matched with a transmission part to realize power transmission, and the milling flat structure can also be used as a clamping part of a wrench to adjust a shaft or be used as a radial jackscrew pressing surface of an external connecting piece and the like.
At present, mill flat processing to axle type work piece on the milling machine, generally adopt general frock to carry out the centre gripping, the mode that often adopts is: three-jaw chuck and top cooperation are realized, when the epaxial design has a plurality of flat faces of milling, mill after the flat face every processing completion, need dismantle the axle work piece, adjust and carry out the resetting card after counterpointing and fix, the clamping location has taken a large amount of man-hours, leads to the machining efficiency of product to hand over the end, in addition, current clamping auxiliary fixtures still have occupation space big, awkward not enough.
Through the search of the prior art, the technical scheme similar to the patent is not searched.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a simple structure, occupation space is little, convenient to use, can be convenient for axle work piece centre gripping location, reduce substantially supplementary dress card positioning time, improve the multiaspect that is 90 contained angles on the axle work piece of machining efficiency and mill flat processing and use frock.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a multiaspect that is 90 contained angles on axle type work piece mills flat frock for processing which characterized in that: the fixture comprises a fixture base, a shaft fixture block, a first pressing plate and a second pressing plate;
concave arc positioning surfaces are arranged on one side of the first pressing plate and one side of the second pressing plate;
the shaft fixture block is a square block, a first shaft through hole is formed in the shaft fixture block, the first pressing plate is inserted into the first shaft through hole, a concave arc positioning surface of the first pressing plate and a hole surface of the first shaft through hole enclose a round hole consistent with the outer diameter of a shaft workpiece, a jackscrew hole is formed in the outer side wall of the first pressing plate mounted on the shaft fixture block, and a jackscrew tightly pressed on the outer side surface of the first pressing plate is mounted in the jackscrew hole, so that the shaft workpiece to be processed is tightly pressed and fixed on the shaft fixture block;
a second shaft through hole is formed in the tool base, a shaft clamping block mounting cavity is formed in one end of the second shaft through hole, the shaft clamping block mounting cavity is a square cavity which is consistent with the outer contour shape of the shaft clamping block, jack screw avoiding concave grooves are formed in four sides of the square cavity, and the shaft clamping block is embedded in the square cavity; the second pressing plate is inserted into the second shaft through hole, a circular hole with the same outer diameter as the shaft workpiece is formed by the concave arc positioning surface of the second pressing plate and the hole surface of the second shaft through hole in a surrounding mode, a threaded hole is formed in the outer side wall, where the second pressing plate is installed, of the tool base, and a compression screw tightly pressed on the outer side surface of the second pressing plate is connected in the threaded hole, so that the shaft workpiece to be machined is tightly pressed and fixed on the tool base.
And, the frock base is split type integrated configuration, is the columniform frock base body by square bottom plate and horizontal fixed mounting in square bottom plate upper end and constitutes, the second shaft is perforated and the axle chuck piece installation cavity sets up in the central point of frock base body along circumference puts.
And the outer side wall of the second pressing plate arranged on the tool base is also provided with a screw penetrating hole, an anti-falling screw connected with the second pressing plate penetrates through the screw penetrating hole, the anti-falling screw is provided with a return spring in a penetrating manner, and two ends of the return spring are respectively pressed against the outer side surface of the tool base and a gasket arranged at the position of a screw cap of the anti-falling screw.
The utility model has the advantages and positive effect:
1. by adopting the tool, the positioning is realized through the insertion and matching of the shaft clamping block and the shaft clamping block mounting cavity; after one milling flat surface is processed, the locking screw is unscrewed, the shaft clamping block and the shaft workpiece with the shaft are pulled out from the tool base, and after the tool base is turned for 90 degrees, the shaft clamping block and the shaft workpiece with the shaft are inserted again, so that another milling flat processing positioning can be realized, and the rest can be done in the same way until all milling flats are processed, so that the auxiliary clamping positioning time is greatly reduced, and the processing efficiency is improved.
2. This frock structure tightly pushes up first clamp plate through the jackscrew, has realized that the dress of wearing of axle work piece in the axle chuck is fixed, pushes up the second clamp plate through housing screw, has realized that the dress of wearing of axle work piece in the frock base is fixed, has the advantage that makes things convenient for the centre gripping location.
3. The tool has the advantages of simple structure, small occupied space, convenience in use and the like.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a perspective view of the present invention;
FIG. 5 is an exploded perspective view of FIG. 4;
fig. 6 is a reference diagram of the usage state of the present invention;
fig. 7 is a reference drawing of the processing object of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
The invention discloses a multi-surface milling and flattening tool with an included angle of 90 degrees on a shaft workpiece, which is shown in figures 1-7 and has the following invention points: the tool comprises a tool base 2, a shaft clamping block 3, a first pressing plate 4 and a second pressing plate 5.
And concave arc positioning surfaces are arranged on one sides of the first pressing plate and the second pressing plate.
The shaft clamping block is a square block, a first shaft through hole 3-1 is formed in the shaft clamping block, and the first pressing plate is inserted into the first shaft through hole. The concave arc positioning surface of the first pressing plate and the hole surface of the first shaft through hole are encircled to form a round hole consistent with the outer diameter of a shaft workpiece, a jackscrew hole is formed in the outer side wall of the shaft clamping block on which the first pressing plate is installed, and a jackscrew 9 tightly pressed on the outer side surface of the first pressing plate is installed in the jackscrew hole, so that a shaft to be machined is pressed and fixed on the shaft clamping block.
A second shaft through hole 2-1-1 is formed in the tool base, and a shaft clamping block mounting cavity 2-1-2 is formed in one end of the second shaft through hole. The second is worn the dress hole and is coaxial continuous with axle card installation cavity, link up the both ends of frock base. The shaft clamping block mounting cavity is a square cavity, the shape of the shaft clamping block mounting cavity is consistent with the shape of the outer contour of the shaft clamping block, the shaft clamping block is embedded in the square cavity, and jack screw avoiding concave grooves 2-1-3 are formed in four sides of the square cavity and used for avoiding jack screws screwed on the shaft clamping block. Appropriate fit clearance is left between the shaft clamping block and the shaft clamping block mounting cavity, the shaft clamping block can be limited after being inserted into the square cavity on one hand, and the shaft clamping block is convenient to insert into the shaft clamping block mounting cavity or take out from the shaft clamping block mounting cavity on the other hand. The second pressure plate is inserted into the second shaft through hole, and a circular hole with the same outer diameter as the shaft workpiece is formed by the concave arc positioning surface of the second pressure plate and the hole surface of the second shaft through hole in a surrounding mode. And a threaded hole is formed in the outer side wall of the second pressing plate arranged on the tool base, and a compression screw 1 compressed on the outer side surface of the second pressing plate is connected in the threaded hole, so that a shaft workpiece to be processed is compressed and fixed on the tool base.
The tool base further adopts a split type combined structure and is composed of a square bottom plate 2-2 and a tool base body 2-1 which is horizontally and fixedly installed at the upper end of the square bottom plate through screw connection and is cylindrical, and the second shaft through hole and the shaft clamping block installation cavity are circumferentially arranged at the central position of the tool base body. For the positioning installation of the tool base body on the square bottom plate, a positioning concave surface matched with the shape of the outer circumferential surface of the tool base body can be arranged at the upper end of the square bottom plate.
In the structure, the outer side wall of the second pressing plate installed on the tool base is further provided with a screw penetrating hole, the screw penetrating hole is provided with the anti-falling screw 6 connected with the second pressing plate in a penetrating mode, the anti-falling screw is provided with the reset spring 8 in a penetrating mode, and two ends of the reset spring are respectively pressed against the outer side face of the tool base and the gasket 7 installed at the screw cap position of the anti-falling screw. Set up above-mentioned screw and reset spring connection structure's of preventing falling effect and be: when the compression screw is unscrewed, the second pressure plate is pulled by the anti-falling screw, and under the action of the return spring, the second pressure plate is lifted for a certain distance, so that the shaft workpiece can be conveniently pulled out from the second shaft through hole, and the shaft workpiece can be conveniently inserted into the second shaft through hole after being rotated. The auxiliary operation time is greatly saved, and the processing efficiency is favorably improved.
The use method of the tool for milling and flattening the multi-surface with the included angle of 90 degrees on the shaft workpiece comprises the following steps:
when the tool is used, bolt holes can be formed in a square bottom plate of a tool base, the tool base is fixed at a set position on a workbench of a milling machine through bolts in a penetrating mode, a shaft workpiece 10 to be machined is pressed and fixed on a shaft clamping block through a first pressing plate in advance, the shaft clamping block is inserted into a shaft clamping block mounting cavity on the tool base, the shaft workpiece penetrates through a second shaft penetrating hole, one end to be milled flat extends out of the second shaft penetrating hole, then the compression screw is screwed down, the shaft workpiece is fixed on the tool base, one side can be milled flat, after one side is milled flat, the compression screw is unscrewed, the shaft clamping block and the shaft workpiece are pulled out, after the side is turned over for 90 degrees, the locking screw is inserted again and screwed down, flat milling of the other side can be conducted, and the rest can be done in sequence until all flat milling is finished. And after all the milling flatting processing on the shaft workpiece is finished, loosening the jackscrew for pressing the first pressing plate, and taking the shaft workpiece off the shaft fixture block.
The design idea of the tool is not limited to the condition that the milling flat is a 90-degree included angle, and the tool is also suitable for the condition that the milling flat on the shaft workpiece is other included angles, and only needs to correspondingly design the matching shapes of the shaft clamping block and the shaft clamping block installation cavity, so that the positioning can be realized when the milling flat at different positions is processed.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (3)
1. The utility model provides a multiaspect that is 90 contained angles on axle type work piece mills flat frock for processing which characterized in that: the fixture comprises a fixture base, a shaft fixture block, a first pressing plate and a second pressing plate;
concave arc positioning surfaces are arranged on one side of the first pressing plate and one side of the second pressing plate;
the shaft fixture block is a square block, a first shaft through hole is formed in the shaft fixture block, the first pressing plate is inserted into the first shaft through hole, a concave arc positioning surface of the first pressing plate and a hole surface of the first shaft through hole enclose a round hole consistent with the outer diameter of a shaft workpiece, a jackscrew hole is formed in the outer side wall of the first pressing plate mounted on the shaft fixture block, and a jackscrew tightly pressed on the outer side surface of the first pressing plate is mounted in the jackscrew hole, so that the shaft workpiece to be processed is tightly pressed and fixed on the shaft fixture block;
a second shaft through hole is formed in the tool base, a shaft clamping block mounting cavity is formed in one end of the second shaft through hole, the shaft clamping block mounting cavity is a square cavity which is consistent with the outer contour shape of the shaft clamping block, jack screw avoiding concave grooves are formed in four sides of the square cavity, and the shaft clamping block is embedded in the square cavity; the second pressing plate is inserted into the second shaft through hole, a circular hole with the same outer diameter as the shaft workpiece is formed by the concave arc positioning surface of the second pressing plate and the hole surface of the second shaft through hole in a surrounding mode, a threaded hole is formed in the outer side wall, where the second pressing plate is installed, of the tool base, and a compression screw tightly pressed on the outer side surface of the second pressing plate is connected in the threaded hole, so that the shaft workpiece to be machined is tightly pressed and fixed on the tool base.
2. The tool for multi-surface milling and flattening machining with the included angle of 90 degrees on the shaft workpiece according to claim 1, is characterized in that: the tool base is of a split type combined structure and is composed of a square bottom plate and a tool base body which is horizontally and fixedly installed at the upper end of the square bottom plate and is cylindrical, and the second shaft through hole and the shaft clamping block installation cavity are arranged at the central position of the tool base body along the circumferential direction.
3. The tool for multi-surface milling and flattening machining with the included angle of 90 degrees on the shaft workpiece according to claim 1, is characterized in that: the outer side wall of the second pressing plate installed on the tool base is further provided with a screw penetrating hole, an anti-falling screw connected with the second pressing plate penetrates through the screw penetrating hole, a return spring penetrates through the anti-falling screw, and two ends of the return spring are respectively pressed against the outer side surface of the tool base and a gasket installed at the position of a screw cap of the anti-falling screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404789.1U CN210549669U (en) | 2019-08-27 | 2019-08-27 | Tool for milling and flattening multiple faces with 90-degree included angle on shaft workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404789.1U CN210549669U (en) | 2019-08-27 | 2019-08-27 | Tool for milling and flattening multiple faces with 90-degree included angle on shaft workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210549669U true CN210549669U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921404789.1U Active CN210549669U (en) | 2019-08-27 | 2019-08-27 | Tool for milling and flattening multiple faces with 90-degree included angle on shaft workpiece |
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| CN (1) | CN210549669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115805447A (en) * | 2023-02-06 | 2023-03-17 | 通化建新科技有限公司 | Special clamp for machining roller shaft of belt conveyor |
-
2019
- 2019-08-27 CN CN201921404789.1U patent/CN210549669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115805447A (en) * | 2023-02-06 | 2023-03-17 | 通化建新科技有限公司 | Special clamp for machining roller shaft of belt conveyor |
| CN115805447B (en) * | 2023-02-06 | 2023-04-18 | 通化建新科技有限公司 | Special clamp for machining roller shaft of belt conveyor |
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