CN211277436U - Clamping tool for arc-shaped bottom surface workpiece - Google Patents
Clamping tool for arc-shaped bottom surface workpiece Download PDFInfo
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- CN211277436U CN211277436U CN201921858420.8U CN201921858420U CN211277436U CN 211277436 U CN211277436 U CN 211277436U CN 201921858420 U CN201921858420 U CN 201921858420U CN 211277436 U CN211277436 U CN 211277436U
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- mould
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- circular arc
- lower mould
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Abstract
The utility model relates to a frock clamp field specifically discloses a clamping frock of circular arc bottom surface work piece, including lower mould and last mould, the lower mould on be provided with the mould installation cavity, the bottom of going up the mould installation cavity is provided with the work piece and places the chamber, the both ends that the chamber was placed to the work piece are provided with the spring leaf installation and step down the groove, spring installation and step down the inslot and be provided with the spring leaf, last mould arrange in go up the mould installation cavity, the both sides that the chamber was placed to the work piece of lower mould are provided with a plurality of screw holes, go up the mould and be provided with the mounting hole with the screw hole one-to-one, go up mould and lower mould and pass screw hole threaded connection. The utility model has the advantages that through the application of force to the work piece bottom surface, guarantee that work piece processing is preferential and go up the mould laminating to through the structure of model, guarantee that work piece machined surface is in the horizontal plane.
Description
Technical Field
The utility model relates to a frock clamp, especially a clamping frock of circular arc bottom surface work piece.
Background
The bottom surface positioning surface of the common fixture is a plane, and a workpiece with a circular arc bottom surface is in line contact with the bottom surface positioning surface of the common fixture, so that the fixture is difficult to stably position, is not well clamped and fixed, and particularly cannot ensure that the front surface of the machined workpiece is in a water surface state, namely the front surface of the machined workpiece is perpendicular to a machining cutter, thereby being incapable of ensuring the perpendicularity of the machined side wall and the front surface.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a clamping frock and method to circular arc bottom surface work piece, can better guarantee the repeated stable positioning clamping of work piece, especially can guarantee the cutter that the front of processing can better perpendicular to processing to effectively guarantee that the front of processing has better straightness that hangs down with the lateral wall of processing.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a clamping frock of circular arc bottom surface work piece, includes lower mould and last mould, the lower mould on be provided with the mould installation cavity, the bottom of going up the mould installation cavity is provided with the work piece and places the chamber, the both ends that the chamber was placed to the work piece are provided with the spring leaf installation and step down the groove, the spring installation and step down the inslot and be provided with the spring leaf, last mould arrange in go up the mould installation cavity.
Specifically, the both ends of lower mould are provided with the breach and are used for spacing to last mould.
Specifically, the both sides in chamber are placed to the work piece of lower mould are provided with a plurality of screw holes, go up the mould and be provided with the mounting hole with the screw hole one-to-one, go up mould and lower mould and pass the mounting hole and fix with the screw hole threaded connection on the lower mould through the screw.
Specifically, the side surface of the upper die mounting cavity of the lower die is a positioning surface.
Specifically, be provided with the processing mouth that is used for carrying out the processing to the work piece on going up the mould, the processing mouth is placed the chamber with the work piece on the lower mould and is corresponded, the upper end of processing mouth is the inclined plane.
Specifically, the two ends of the upper die are provided with protruding parts.
The utility model has the advantages of it is following:
1. the workpiece is guaranteed to be preferentially attached to the upper die in machining through force application to the bottom surface of the workpiece, and the machined surface of the workpiece is guaranteed to be located on the horizontal plane through the structure of the model.
2. The spring leaf of the component and the installation and abdication structure of the spring leaf in the lower die are designed, so that the spring leaf plays a role in applying force to the bottom surface of the workpiece in advance when the workpiece is installed and is flatly attached to the large surface of the upper die.
3. An inclined plane opening is designed in the upper die, so that machining of a machining position and convenience in chip removal are guaranteed.
Drawings
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a cross-sectional view taken along line C of FIG. 2;
in the figure: 1-lower die, 2-upper die, 3-screw, 4-protrusion, 5-processing port, 6-workpiece, 7-spring piece, 8-spring piece mounting and abdicating groove, 9-workpiece placing cavity, 10-threaded hole, 11-workpiece placing cavity and 12-notch.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-3, a clamping frock of circular arc bottom surface work piece, includes lower mould 1 and last mould 2, lower mould 1 on be provided with mould installation cavity 9, the bottom of going up mould installation cavity 9 is provided with the work piece and places chamber 11, the both ends that the chamber 9 was placed to the work piece are provided with spring leaf installation and the groove 8 of stepping down, spring installation and the inslot 8 of stepping down are provided with spring leaf 7, last mould 2 arrange in go up in the mould installation cavity 9.
Furthermore, gaps 12 are arranged at two ends of the lower die 1 and used for limiting the upper die 2.
Further, the both sides in chamber 11 are placed to the work piece of lower mould 1 are provided with a plurality of screw holes 10, it is provided with the mounting hole with screw hole 10 one-to-one to go up mould 2, it fixes to go up mould 2 and lower mould 1 through screw 3 and pass the mounting hole and screw hole 10 threaded connection on the lower mould 1.
Further, the side surface of the upper die mounting cavity 9 of the lower die 1 is a positioning surface.
Further, the upper die 2 is provided with a processing opening 5 for processing a workpiece, the processing opening 5 corresponds to the workpiece placing cavity 11 on the lower die 1, and the upper end of the processing opening 5 is an inclined plane.
Furthermore, the two ends of the upper die 2 are provided with the protruding parts 4, so that the upper die 1 and the lower die 2 are convenient to detach, and the overall strength of the upper die 2 is enhanced.
A clamping method for a workpiece with an arc bottom surface comprises the following steps:
s1, loading the spring piece 7 into the spring piece mounting and abdicating groove 8 of the lower die 1;
s2, placing the two ends of the arc bottom surface of the workpiece 6 on the spring piece 7, wherein the front surface of the workpiece 6 to be processed faces upwards;
s3, vertically installing the upper die 2 into the lower die 1 along the inner cavity positioning surface of the lower die 1, and placing the protruding parts 4 of the upper die 2 into the notches 12 arranged at the two ends of the lower die 1;
s4, the large surface of the upper die 2 is in contact with the front surface of the workpiece 6 to be processed and is supported by the spring leaf 7, the bottom surface of the workpiece 6 is stressed to enable the processing front surface to be flat with the large surface of the upper die 2, the upper die 2 continues to vertically press downwards until the arc bottom surface of the workpiece 6 is pressed to be flat with the arc positioning surface of the lower die 1, and the spring leaf 7 is pressed into the spring leaf mounting and abdicating groove 8;
s5, connecting the upper die 2 and the lower die 1 together by using the screw 3, and fixing the workpiece 6 in the tool;
s6, clamping the tool on the machine tool through the clamping position, and ensuring that the machining front face is in the horizontal direction and the machining cutter is perpendicular to the machining front face through the parallelism between the clamping position and the inner cavity positioning face and the limit relation between the upper die and the inner cavity.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a clamping frock of circular arc bottom surface work piece which characterized in that: including lower mould (1) and last mould (2), lower mould (1) on be provided with mould installation cavity (9), the bottom of going up mould installation cavity (9) is provided with the work piece and places chamber (11), the both ends that the chamber (9) was placed to the work piece are provided with spring leaf installation and groove of stepping down (8), be provided with spring leaf (7) in spring installation and the groove of stepping down (8), last mould (2) arrange in go up in the mould installation cavity (9).
2. The clamping tool for the circular arc bottom surface workpiece according to claim 1, characterized in that: and notches (12) are arranged at two ends of the lower die (1) and used for limiting the upper die (2).
3. The clamping tool for the circular arc bottom surface workpiece according to claim 1, characterized in that: the both sides that chamber (11) were placed to the work piece of lower mould (1) are provided with a plurality of screw holes (10), it is provided with the mounting hole with screw hole (10) one-to-one to go up mould (2), it passes screw hole (10) threaded connection on mounting hole and lower mould (1) and fixes to go up mould (2) and lower mould (1) through screw (3).
4. The clamping tool for the circular arc bottom surface workpiece according to claim 1, characterized in that: the side surface of the upper die mounting cavity (9) of the lower die (1) is a positioning surface.
5. The clamping tool for the circular arc bottom surface workpiece according to claim 1, characterized in that: go up to be provided with on mould (2) and be used for carrying out the processing mouth (5) that process to the work piece, processing mouth (5) and lower mould (1) on the work piece place chamber (11) and correspond, the upper end of processing mouth (5) is the inclined plane.
6. The clamping tool for the circular arc bottom surface workpiece according to claim 1, characterized in that: and protruding parts (4) are arranged at two ends of the upper die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858420.8U CN211277436U (en) | 2019-10-31 | 2019-10-31 | Clamping tool for arc-shaped bottom surface workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858420.8U CN211277436U (en) | 2019-10-31 | 2019-10-31 | Clamping tool for arc-shaped bottom surface workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211277436U true CN211277436U (en) | 2020-08-18 |
Family
ID=72026050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921858420.8U Active CN211277436U (en) | 2019-10-31 | 2019-10-31 | Clamping tool for arc-shaped bottom surface workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211277436U (en) |
-
2019
- 2019-10-31 CN CN201921858420.8U patent/CN211277436U/en active Active
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