CN219075459U - Fixed back of tip draws centre gripping location structure - Google Patents
Fixed back of tip draws centre gripping location structure Download PDFInfo
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- CN219075459U CN219075459U CN202320247388.XU CN202320247388U CN219075459U CN 219075459 U CN219075459 U CN 219075459U CN 202320247388 U CN202320247388 U CN 202320247388U CN 219075459 U CN219075459 U CN 219075459U
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Abstract
The utility model belongs to the technical field of machining auxiliary equipment, and particularly relates to an end fixing type back-pulling clamping and positioning structure. Comprises a chuck connecting seat, a quick-connection positioning seat, a rotary pressing device and a workpiece connecting seat; the chuck connecting seat is arranged on a chuck of the processing equipment and is connected with a revolving body structure of the positioning seat quickly, the front end face of the chuck connecting seat is provided with a plurality of rear mounting holes, and first positioning pins are arranged in the rear mounting holes; the rotary pressing device is fixedly arranged on the quick-connection positioning seat. The fixed type back of tip draws centre gripping location structure of this application can be under the circumstances that does not influence the outer wall of waiting to process the part (mainly including all kinds of solid of revolution work pieces), provides stable centre gripping fixedly to the tip and the outer wall processing of solid of revolution part, the cooperation that changes the structure can be convenient all kinds of equipment that have the gyration chuck structure or plane processing platform use, improves the fixed effect of centre gripping of solid of revolution part.
Description
Technical Field
The utility model belongs to the technical field of machining auxiliary equipment, and particularly relates to an end fixing type back-pulling clamping and positioning structure.
Background
In the machining process of parts with rotary structures (including various shaft, column or cylinder structures) or with requirements on specific surfaces, an end face and a large-area outer wall of the part need to be precisely machined, while various conventional machine tools commonly used at present mainly clamp and fix workpieces by utilizing structures such as bolt clamping blocks, chuck calipers and the like, the specification of the clamping and fixing structures needs to be used for effectively fixing the workpiece by determining more than three clamping fixing points or faces on the workpiece surface, and in the process, the surface to be machined is inevitably extruded and occupied, so that the machining process becomes complex, and the surface machining quality is affected.
Disclosure of Invention
The utility model aims to provide an end fixed type back-pulling clamping and positioning structure which is suitable for machining the outer wall of a workpiece with a revolving mechanism, can reduce the influence of a clamping and fixing process on the outer wall, is convenient to assemble and fix and is beneficial to improving the machining efficiency of the revolving body workpiece.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
An end fixed type back-pulling clamping and positioning structure is used for processing a revolving body part 9 which is not suitable for positioning an outer wall and comprises a chuck connecting seat 1, a quick-connection positioning seat 2, a rotary pressing device 3 and a workpiece connecting seat 4;
the chuck connecting seat 1 is arranged on a chuck of processing equipment, a first step hole 1a which is arranged in an annular array is dug on the rear end surface of the chuck connecting seat 1, and the first step hole 1a penetrates out from the front end surface of the chuck connecting seat 1; a first bolt 5 is arranged in the first step hole 1a, the first bolt 5 is inserted into the first step hole 1a, and the screw part of the first bolt penetrates out from the bottom of the first step hole 1 a;
the two end surfaces of the revolving body structure of the quick-connection positioning seat 2 are parallel to each other, a first screw hole 2a opposite to the first step hole 1a is formed in the rear end surface of the revolving body structure, a first bolt 5 penetrates out of the bottom of the first step hole 1a and then is screwed into the first screw hole 2a, a plurality of rear mounting holes 2b are formed in the front end surface of the revolving body structure, and a first positioning pin 6 is arranged in the rear mounting holes 2 b;
the rotary pressing device 3 is fixedly arranged on the quick-connection positioning seat 2, and a rotary arm of the rotary pressing device 3 can press the workpiece connecting seat 4 to enable the rear end surface of the workpiece connecting seat to be clung to the quick-connection positioning seat 2;
the rear end surface of the workpiece connecting seat 4 is provided with a front mounting hole 4a which is opposite to the rear mounting hole 2b, and the front end of the first positioning pin 6 is inserted into the front mounting hole 4 a; the rear end face of the workpiece connecting seat 4 is provided with a second step hole 4b, and the bottom of the second step hole 4b penetrates out of the front end face of the workpiece connecting seat 4; a second bolt 7 is provided in the second stepped hole 4 b.
Further improvement or perfection of the end fixed type back-pull clamping positioning structure is realized, a back positioning pin hole 4c is formed in the front end face of the workpiece connecting seat 4, and a second positioning pin 8 is arranged in the back positioning pin hole 4 c;
the front end surface appearance of the workpiece connecting seat 4 is matched with the rear end surface appearance of the rotary part 9, and the rear end surface of the rotary part 9 is provided with a front positioning pin hole 9a opposite to the rear positioning pin hole 4c and a second screw hole 9b opposite to the second step hole 4 b;
the second positioning pin 8 is inserted into the rear positioning pin hole 4c, and the second bolt 7 is inserted from the second stepped hole 4b and then is in threaded connection with the second screw hole 9 b.
The further improvement or perfection of the end fixing type back-pulling clamping and positioning structure comprises two rotary pressing devices 3, wherein the two rotary pressing devices 3 are symmetrically arranged on two sides of the quick-connection positioning seat 2.
Further improvement or perfection of the end fixed type back-pulling clamping and positioning structure is realized, wherein the rotary pressing device 3 comprises a rotary pressing cylinder 30 and a pressing rod 31;
the compression bar 31 is perpendicular to the cylinder shaft of the rotary pressing cylinder 30, one end of the compression bar is connected to the cylinder shaft through a bolt, the other end of the compression bar is horizontally arranged, and the cylinder shaft is rotated and pressed down to drive the compression bar 31 to compress the workpiece connecting seat 4.
Further improvement or perfection of the end fixing type back-pull clamping and positioning structure is realized, a step is arranged on the outer wall of the workpiece connecting seat 4, and the compression bar 31 can compress the step surface.
The beneficial effects are that:
the fixed type back-pulling clamping and positioning structure of the end part can provide stable clamping and fixing under the condition that the outer wall of a part to be processed (mainly comprising various revolving body workpieces) is not affected, so that the end part and the outer wall of the revolving body part are convenient to process, the structure can be conveniently matched with various devices with revolving chuck structures or plane processing tables for use, and the clamping and fixing effect of the revolving body part is improved
Drawings
FIG. 1 is a side view of an end-fixed pull-back clamp positioning structure;
FIG. 2 is a cross-sectional view of an end-fixed pull-back clamp positioning structure;
FIG. 3 is an oblique view of an end-fixed pull-back clamp positioning structure;
FIG. 4 is an assembly view of an end-fixed pull-back clamping and positioning structure;
fig. 5 is an assembly view of the end-fixed pull-back clamping and positioning structure.
Detailed Description
The present utility model will be described in detail with reference to specific examples.
As shown in fig. 1 and fig. 2, the end fixing type pull-back clamping and positioning structure is a schematic diagram and a cross section of the end fixing type pull-back clamping and positioning structure, the clamping and positioning structure is mainly used for clamping and fixing various revolution bodies including shafts, pipes and the like, stable support and fixation are provided when the workpiece is processed on a single end face or an outer wall, the clamping and positioning structure is particularly suitable for cylinder workpieces with various end parts provided with hole slot positioning or connecting structures, and for such workpieces, the partial hole slot structure of the end face of the workpiece can be used for fusing with the clamping and positioning structure of the application, so that better and simpler clamping and fixing effects are realized.
The main component structure comprises a chuck connecting seat 1, a quick-connection positioning seat 2, a rotary pressing device 3 and a workpiece connecting seat 4;
the chuck connecting seat 1 is arranged on a chuck of processing equipment, a first step hole 1a which is arranged in an annular array is dug on the rear end surface of the chuck connecting seat 1, and the first step hole 1a penetrates out from the front end surface of the chuck connecting seat 1; a first bolt 5 is arranged in the first step hole 1a, the first bolt 5 is inserted into the first step hole 1a, and the screw part of the first bolt penetrates out from the bottom of the first step hole 1 a;
the chuck connecting seat 1 is used for connecting a clamping structure with machine tool equipment, so as to be convenient for connecting and aligning with a multi-jaw chuck structure of equipment such as a lathe, a milling machine and the like, and as a preferable technical scheme, the chuck connecting seat is preferably also made into a cylinder structure with a size which is suitable for the size of the multi-jaw chuck on the equipment, and in the actual use process, the chuck connecting seat can be directly clamped by the multi-jaw chuck for connection, but the revolving body structure is generally required to be subjected to rotary cutting processing and circumferential stress, so that the revolving body structure is generally connected and fixed on a jaw or a disc surface of the multi-jaw chuck through a bolt group.
In particular, for a multi-jaw chuck partially not provided with a bolt connection structure, a connection block 8a having a known jaw shape on the multi-jaw chuck may be separately provided to assist in fixing, and the cross-sectional shape of the connection block 8a may be matched with the cross-sectional shape of a jaw mounting groove on the multi-jaw chuck, and further may be assembled into the jaw mounting groove, and the connection block 1 may be fixed by providing a bolt hole and a bolt on the connection block 8 a.
The two end surfaces of the revolving body structure of the quick-connection positioning seat 2 are parallel to each other, a first screw hole 2a opposite to the first step hole 1a is formed in the rear end surface of the revolving body structure, a first bolt 5 penetrates out of the bottom of the first step hole 1a and then is screwed into the first screw hole 2a, a plurality of rear mounting holes 2b are formed in the front end surface of the revolving body structure, and a first positioning pin 6 is arranged in the rear mounting holes 2 b;
in the in-service use, in order to guarantee the efficiency of work piece batch continuous production, wherein chuck connecting seat 1 is long-time fixed mounting on processing equipment, work piece connecting seat 4 then need take off alone and carry out the assembly connection with the work piece, on fixing chuck connecting seat 1 after carrying out necessary calibration and measurement, connect fast positioning seat 2 be used for as chuck connecting seat 1 with work piece connecting seat 4's intermediate junction spare for improve the assembly flexibility, conveniently carry out and align and adjust, chuck connecting seat 1 designs into the flat cylinder of comparatively right simultaneously, connect fast positioning seat still be used for confirming the position after the work piece is installed, can be equipped with a plurality of fast positioning seats 2 and match and use when necessary, in order to adjust according to the processing demand of different batch work pieces.
The rotary pressing device 3 is fixedly arranged on the quick-connection positioning seat 2, and a rotary arm of the rotary pressing device 3 can press the workpiece connecting seat 4 to enable the rear end surface of the workpiece connecting seat to be clung to the quick-connection positioning seat 2;
the rotary pressing device is used for fixing and pressing the workpiece connecting seat 3 on the quick-connection positioning seat 2, and the rotary pressing device 3 comprises a rotary pressing cylinder 30 and a pressing rod 31;
the compression bar 31 is perpendicular to the cylinder shaft of the rotary pressing cylinder 30, one end of the compression bar is connected to the cylinder shaft through a bolt, the other end of the compression bar is horizontally arranged, and the cylinder shaft is rotated and pressed down to drive the compression bar 31 to compress the workpiece connecting seat 4.
In the actual use process, in order to ensure the mutual balance of clamping stress and prevent tilting, two rotary pressing devices 3 are generally arranged, and the two rotary pressing devices 3 are symmetrically arranged on two sides of the quick connection positioning seat 2.
In order to facilitate the use of the rotary pressing device and improve the efficiency, a step is arranged on the outer wall of the workpiece connecting seat 4, and the pressing rod 31 can press the step surface.
Wherein, the back end surface of the workpiece connecting seat 4 is provided with a front mounting hole 4a which is opposite to the back mounting hole 2b, and the front end of the first locating pin 6 is inserted into the front mounting hole 4 a; the rear end face of the workpiece connecting seat 4 is provided with a second step hole 4b, and the bottom of the second step hole 4b penetrates out of the front end face of the workpiece connecting seat 4; a second bolt 7 is provided in the second stepped hole 4 b.
In a specific implementation process, in order to realize the fixation of the tapping hardness, a rear positioning pin hole 4c is arranged on the front end surface of the workpiece connecting seat 4, and a second positioning pin 8 is arranged on the rear positioning pin hole 4 c;
the front end surface appearance of the workpiece connecting seat 4 is matched with the rear end surface appearance of the rotary part 9, and the rear end surface of the rotary part 9 is provided with a front positioning pin hole 9a opposite to the rear positioning pin hole 4c and a second screw hole 9b opposite to the second step hole 4 b;
the second positioning pin 8 is inserted into the rear positioning pin hole 4c, and the second bolt 7 is inserted from the second stepped hole 4b and then is in threaded connection with the second screw hole 9 b.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (5)
1. An end fixed type back-pulling clamping and positioning structure is used for processing a revolving body part (9) which is not suitable for positioning an outer wall and an inner hole and is characterized by comprising a chuck connecting seat (1), a quick-connection positioning seat (2), a rotary pressing device (3) and a workpiece connecting seat (4);
the chuck connecting seat (1) is arranged on a chuck of processing equipment, a first step hole (1 a) which is arranged in an annular array is dug out on the rear end face of the chuck connecting seat (1), and the first step hole (1 a) penetrates out of the front end face of the chuck connecting seat (1); a first bolt (5) is arranged in the first step hole (1 a), the first bolt (5) is inserted into the first step hole (1 a), and the screw part of the first bolt penetrates out from the bottom of the first step hole (1 a);
the rotary body structure of the quick-connection positioning seat (2) is parallel to each other at two end surfaces, a first screw hole (2 a) opposite to the first step hole (1 a) is formed in the rear end surface, a first bolt (5) penetrates out of the bottom of the first step hole (1 a) and then is screwed into the first screw hole (2 a), a plurality of rear mounting holes (2 b) are formed in the front end surface, and a first positioning pin (6) is arranged in the rear mounting hole (2 b);
the rotary pressing device (3) is fixedly arranged on the quick-connection positioning seat (2), and a rotary arm of the rotary pressing device (3) can press the workpiece connecting seat (4) to enable the rear end face of the workpiece connecting seat to be tightly attached to the quick-connection positioning seat (2);
the rear end surface of the workpiece connecting seat (4) is provided with a front mounting hole (4 a) which is opposite to the rear mounting hole (2 b), and the front end of the first positioning pin (6) is inserted into the front mounting hole (4 a); a second step hole (4 b) is formed in the rear end face of the workpiece connecting seat (4), and the bottom of the second step hole (4 b) penetrates out of the front end face of the workpiece connecting seat (4); a second bolt (7) is arranged in the second step hole (4 b).
2. The end fixed type back-pulling clamping positioning structure according to claim 1, wherein a back positioning pin hole (4 c) is formed in the front end surface of the workpiece connecting seat (4), and a second positioning pin (8) is arranged in the back positioning pin hole (4 c);
the front end surface appearance of the workpiece connecting seat (4) is matched with the rear end surface appearance of the revolving body part (9), and a front positioning pin hole (9 a) opposite to the rear positioning pin hole (4 c) and a second screw hole (9 b) opposite to the second step hole (4 b) are arranged on the rear end surface of the revolving body part (9);
the second locating pin (8) is inserted into the rear locating pin hole (4 c), and the second bolt (7) is in threaded connection with the second screw hole (9 b) after being inserted from the second step hole (4 b).
3. The end fixing type pull-back clamping and positioning structure according to claim 1, comprising two rotary pressing devices (3), wherein the two rotary pressing devices (3) are symmetrically arranged on two sides of the quick-connection positioning seat (2).
4. The end fixed type pull-back clamping positioning structure according to claim 1, wherein the rotary pressing device (3) comprises a rotary pressing cylinder (30) and a pressing rod (31);
the compression bar (31) is perpendicular to the cylinder shaft of the rotary pressing cylinder (30), one end of the compression bar is connected to the cylinder shaft through a bolt, the other end of the compression bar is horizontally arranged, and the compression bar (31) can be driven to compress the workpiece connecting seat (4) by rotating and pressing the cylinder shaft.
5. The end fixed type back-pulling clamping and positioning structure according to claim 4, wherein a step is arranged on the outer wall of the workpiece connecting seat (4), and the pressing rod (31) can press the step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320247388.XU CN219075459U (en) | 2023-02-17 | 2023-02-17 | Fixed back of tip draws centre gripping location structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320247388.XU CN219075459U (en) | 2023-02-17 | 2023-02-17 | Fixed back of tip draws centre gripping location structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219075459U true CN219075459U (en) | 2023-05-26 |
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ID=86388866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320247388.XU Active CN219075459U (en) | 2023-02-17 | 2023-02-17 | Fixed back of tip draws centre gripping location structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219075459U (en) |
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2023
- 2023-02-17 CN CN202320247388.XU patent/CN219075459U/en active Active
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