CN212600404U - Dovetail type multi-station quick clamping device - Google Patents
Dovetail type multi-station quick clamping device Download PDFInfo
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- CN212600404U CN212600404U CN202021264241.4U CN202021264241U CN212600404U CN 212600404 U CN212600404 U CN 212600404U CN 202021264241 U CN202021264241 U CN 202021264241U CN 212600404 U CN212600404 U CN 212600404U
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- rotating shaft
- cross
- tensioning
- supporting seat
- fixed seat
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Abstract
The utility model relates to the technical field of tool fixtures, in particular to a dovetail type multi-station quick clamping device, which comprises a rotating shaft, wherein the circumferential side surface of the rotating shaft is provided with a cross-shaped supporting seat, the cross-shaped supporting seat is cross-shaped along the section perpendicular to the axial direction of the rotating shaft, the end part of the cross-shaped supporting seat extending outwards is provided with a plurality of tensioning grooves arranged along the axial direction of the rotating shaft, a fixed seat is arranged in each tensioning groove, the part of the fixed seat positioned in each tensioning groove is in sliding connection with each tensioning groove, the side surface of the cross-shaped supporting seat is provided with a pressing rod used for pressing the fixed seat in each tensioning groove, the part of the fixed seat protruding out of each tensioning groove is in a dovetail shape with a narrow inside and a wide outside, the end part of the fixed seat along the axial direction of the rotating shaft is provided with an axial, three surfaces of a plurality of workpieces are processed by a uniform standard, so that errors can be effectively controlled.
Description
Technical Field
The utility model relates to a frock clamp technical field especially relates to a quick clamping device of dovetail multistation.
Background
In machining, a plurality of workpieces are fixed through one-time clamping and are machined simultaneously, clamping time can be shortened, and machining efficiency is improved. The utility model discloses a multistation anchor clamps as chinese utility model patent "a machining center's multistation anchor clamps" (CN201720698959.6), it is through setting up a plurality of mount pads on the plane bottom plate to can the processing of a plurality of work pieces of clamping, provide production efficiency.
However, the multi-station clamp in the prior art has the following defects: 1. the workpiece is distributed on a plane, the occupied area is large, particularly, the upper surface of the workpiece can be machined only from the upper part, and the four side surfaces of the workpiece are difficult to machine due to space limitation; 2. the reference during processing needs to be determined by a clamp, namely the motion track of a tool bit needs to be calculated according to the space position of the clamp, the operation is complex, and the precision is difficult to control among different workpieces; 3. the clamping efficiency is low, and the production efficiency is influenced.
Disclosure of Invention
An object of the utility model is to prior art not enough, and provide a quick clamping device of dovetail multistation, its structure science can a plurality of work pieces of quick clamping to the three face of a plurality of work pieces is processed to unified benchmark, can effective control error.
The utility model provides a technical scheme that its technical problem adopted is: a dovetail type multi-station quick clamping device comprises a rotating shaft, wherein a cross-shaped supporting seat is arranged on the circumferential side surface of the rotating shaft, the cross-shaped supporting seat is cross-shaped along the section perpendicular to the axial direction of the rotating shaft, a plurality of tensioning grooves arranged along the axial direction of the rotating shaft are arranged at the end part of the cross-shaped supporting seat extending outwards, a fixed seat is arranged in the tensioning groove, the part of the fixed seat positioned in the tensioning groove is connected with the tensioning groove in a sliding way, a pressing rod for pressing the fixed seat in the tensioning groove is arranged on the side surface of the cross-shaped supporting seat, the part of the fixing seat protruding out of the tensioning groove is in a dovetail shape with a narrow inside and a wide outside, an axial limiting block is arranged at the end part of the fixing seat along the axis direction of the rotating shaft, and clamping devices used for being connected with a machine tool are arranged at the two ends of the rotating shaft.
Preferably, the number of the tensioning grooves is 24, and the tensioning grooves are uniformly and symmetrically distributed at the end part of the cross-shaped supporting seat, which extends outwards.
Preferably, the circumferential side surface of the rotating shaft is provided with a reinforcing rib.
Preferably, one end of the rotating shaft is provided with a flange plate used for being connected with a machine tool, and the center of the other end of the rotating shaft is provided with a top pin hole.
Preferably, the axial limiting block is arranged between every two fixed seats along the axial direction of the rotating shaft.
The utility model has the advantages that: a dovetail type multi-station quick clamping device comprises a rotating shaft, wherein a cross-shaped supporting seat is arranged on the side face of the circumference of the rotating shaft, the cross-shaped supporting seat is cross-shaped along the section perpendicular to the axis direction of the rotating shaft, the end part of the cross-shaped supporting seat extending outwards is provided with a plurality of tensioning grooves arranged along the axis direction of the rotating shaft, a fixed seat is arranged in each tensioning groove, the part of the fixed seat in each tensioning groove is in sliding connection with each tensioning groove, the side face of each cross-shaped supporting seat is provided with a pressing rod used for pressing the fixed seat in each tensioning groove, the part of the fixed seat protruding out of each tensioning groove is in a dovetail shape with a narrow inner part and a wide outer part, an axial limiting block is arranged at the end part of the fixed seat along the axis direction of the rotating shaft, and clamping devices used for, the utility model discloses the structure science can a plurality of work pieces of quick clamping to the three face of a plurality of work pieces is processed to unified benchmark, can the effective control error.
Drawings
Fig. 1 is a schematic structural view of a workpiece clamped by the dovetail multi-station quick clamping device of the present invention.
Fig. 2 is a schematic structural view of the dovetail multi-station quick clamping device of the present invention.
Fig. 3 is a schematic structural view of the fixing base of the present invention.
Description of reference numerals:
1-rotating shaft 11-reinforcing rib
12-flange 2-cross support seat
3-tensioning groove 4-fixing seat
5-a pressing rod 6-an axial limiting block.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.
Fig. 1 is a schematic structural diagram of a workpiece processed by the dovetail multi-station quick clamping device of the present invention. Of course, the utility model discloses also can be used to the work piece of other structures, its work piece that is fit for processing be for roughly the cuboid, need carry out the frame to six faces of work piece, including drilling, mill conventional processing such as face (hole), tapping, grinding. Five other faces except the bottom face in figure 1 can all use the utility model discloses carry out clamping post-processing.
As shown in fig. 2 and 3, the dovetail multi-station quick clamping device of the present embodiment includes a rotating shaft 1 that can be rotated randomly with respect to a machine spindle, and different machining surfaces can be changed by rotating the rotating shaft 1 without rotating the rotating shaft 1 in a single machining step. The circumference side of rotation axis 1 is provided with cross supporting seat 2, in other words, cross supporting seat 2 is the cruciform structure that stretches out from rotation axis 1 outward, can realize two technological effects through this mode, firstly expose four faces of work piece side to conveniently process it, and can not take place to interfere, secondly there are four work pieces on a circumference, there are position relations such as perpendicular, coplanar, parallel on its side, thereby can process a plurality of faces simultaneously in design process route, perhaps need not readjustment processing benchmark in different processes. Cross supporting seat 2 is along the perpendicular to the cross-section of the axis direction of rotation axis 1 is the cross, the tip that cross supporting seat 2 stretches out outward is provided with a plurality of and follows the taut groove 3 that the axis direction of rotation axis 1 was arranged, be provided with fixing base 4 in the taut groove 3, fixing base 4 is located the part in the taut groove 3 with taut groove 3 sliding connection, the side of cross supporting seat 2 be provided with be used for with fixing base 4 compresses tightly compress tightly compressing tightly pole 5 in the taut groove 3, fixing base 4 protrusion in the outer part of taut groove 3 is the outer wide swallowtail form in the narrow, fixing base 4 is followed the tip of 1 axis direction of rotation axis is provided with axial stopper 6, the both ends of rotation axis 1 are provided with the clamping device that is used for being connected with the lathe. The utility model discloses the work piece bottom of processing is provided with the dovetail that corresponds with fixing base 4 to can slide the work piece along fixing base 4 and embed on fixing base 4, then work piece one end conflict axial stopper 6 fixes a position, can make fixing base 4 slightly slide and take up the work piece on fixing base 4 in to tensioning groove 3 through compressing tightly pole 5, thereby fix the work piece completely, process it again. In the machining process, the machining path of the cutter can be set by taking the machine tool as a reference, so that whether the positioning is accurate or not has no relation with the clamp and the workpiece, the workpiece in the figure 1 can be overturned after five surfaces out of the bottom surface are machined, the machined surfaces are used as the reference, and then the bottom surface is machined.
Furthermore, the number of the tensioning grooves 3 is 24, and the tensioning grooves 3 are uniformly and symmetrically distributed at the end parts of the cross-shaped supporting seat 2, which extend outwards. The number of tensioning slots 3 can be adjusted as desired.
Further, the circumferential side surface of the rotating shaft 1 is provided with a reinforcing rib 11.
Furthermore, one end of the rotating shaft 1 is provided with a flange 12 used for being connected with a machine tool, the center of the other end of the rotating shaft is provided with a top pin hole, and the whole clamp can be conveniently fixed on the machine tool and can rotate through the flange 12 and the top pin hole.
As shown in fig. 2, further, one axial limiting block 6 is disposed between every two fixing seats 4 along the axial direction of the rotating shaft 1, that is, two adjacent fixing seats 4 may share one axial limiting block.
To the work piece of fig. 1, the utility model also provides a processing technology, be about to a casted blank bottom shaping dovetail, wide outside narrow in this dovetail, then use the utility model discloses an anchor clamps are installed a plurality of work pieces simultaneously, process other five faces except the bottom surface earlier, then use the side to fix a position the processing bottom surface as the benchmark.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. Dovetail type multi-station quick clamping device is characterized in that: comprises a rotating shaft (1), a cross supporting seat (2) is arranged on the side face of the circumference of the rotating shaft (1), the cross supporting seat (2) is cross-shaped along the cross section perpendicular to the axis direction of the rotating shaft (1), the end part of the cross supporting seat (2) extending outwards is provided with a plurality of tensioning grooves (3) arranged along the axis direction of the rotating shaft (1), a fixed seat (4) is arranged in each tensioning groove (3), the part of the fixed seat (4) located in each tensioning groove (3) is in sliding connection with each tensioning groove (3), the side face of the cross supporting seat (2) is provided with a pressing rod (5) used for pressing the fixed seat (4) in each tensioning groove (3), the part of the fixed seat (4) protruding out of each tensioning groove (3) is in a narrow-inner-outer-wide tail swallow shape, and an axial limiting block (6) is arranged on the end part of the fixed seat (4) along the axis direction of the rotating shaft (1), and clamping devices used for being connected with a machine tool are arranged at two ends of the rotating shaft (1).
2. The dovetail multi-station quick clamping device according to claim 1, wherein: the number of the tensioning grooves (3) is 24, and the tensioning grooves (3) are uniformly and symmetrically distributed at the end parts of the cross-shaped supporting seat (2) extending outwards.
3. The dovetail multi-station quick clamping device according to claim 1, wherein: and reinforcing ribs (11) are arranged on the circumferential side surface of the rotating shaft (1).
4. The dovetail multi-station quick clamping device according to claim 1, wherein: one end of the rotating shaft (1) is provided with a flange plate (12) used for being connected with a machine tool, and the center of the other end of the rotating shaft is provided with a top pin hole.
5. The dovetail multi-station quick clamping device according to claim 1, wherein: and one axial limiting block (6) is arranged between every two fixed seats (4) along the axis direction of the rotating shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264241.4U CN212600404U (en) | 2020-06-30 | 2020-06-30 | Dovetail type multi-station quick clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264241.4U CN212600404U (en) | 2020-06-30 | 2020-06-30 | Dovetail type multi-station quick clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212600404U true CN212600404U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021264241.4U Active CN212600404U (en) | 2020-06-30 | 2020-06-30 | Dovetail type multi-station quick clamping device |
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| Country | Link |
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| CN (1) | CN212600404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673508A (en) * | 2020-06-30 | 2020-09-18 | 湖北诺伯特科技有限公司 | Dovetail type multi-station quick clamping device |
-
2020
- 2020-06-30 CN CN202021264241.4U patent/CN212600404U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673508A (en) * | 2020-06-30 | 2020-09-18 | 湖北诺伯特科技有限公司 | Dovetail type multi-station quick clamping device |
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