CN210255198U - Clamping mechanism for hexahedron blank - Google Patents
Clamping mechanism for hexahedron blank Download PDFInfo
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- CN210255198U CN210255198U CN201920972335.8U CN201920972335U CN210255198U CN 210255198 U CN210255198 U CN 210255198U CN 201920972335 U CN201920972335 U CN 201920972335U CN 210255198 U CN210255198 U CN 210255198U
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Abstract
The utility model relates to an anchor clamps technical field especially relates to a clamping mechanism for hexahedron blank, and it includes the solid clamp plate of first T type piece, second T type piece, fixed block and side, the fixed block is in through the fixed setting of first fastener on the first T type piece, the solid clamp plate of side one end with the one end pin joint of fixed block, the solid clamp plate cover of side is located on the second fastener on the second T type piece, and can by the second fastener drive with for the fixed block is rotatory. The utility model discloses can solve the vice that exists among the prior art and press from both sides tight scope little, the bolt back pull presss from both sides tightly to need to increase the process, and the clamp plate is taken the pressure and is compressed tightly the work piece and need additionally consider that the cutter interferes, part profile interferes the scheduling problem, and it is rotatory to make the solid clamp plate of side through screwing up the second fastener, applys the packing force of oblique below to hexahedron blank, reaches to realize stably pressing from both sides tight purpose.
Description
Technical Field
The utility model relates to an anchor clamps technical field especially relates to a clamping mechanism for hexahedron blank.
Background
With the progress of science and technology, many new changes are generated in the machining mode, wherein the rapid prototyping processing is one of the main means for trial production of new products. CNC rapid prototyping who uses numerical control milling as the owner processes out the part finished product with the part blank through subtracting material manufacturing technology, and the part blank of its processing is mostly saw off or cut fashioned hexahedron structure, consequently, the part blank will have great dimensional error. For the hexahedral blank, the traditional clamping method generally comprises three methods:
the first is to use a vice to clamp two side surfaces of a blank; secondly, the pressing plate is clamped in a pressing mode; and thirdly, drilling a threaded hole in the bottom surface of the blank, and clamping by adopting reverse pulling. However, the three methods have disadvantages, for example, the blank clamped by the vise is limited in size and is generally used for a blank with a width less than 300mm, and the two side surfaces clamped by the vise need to be preprocessed by a machine tool so as to ensure the parallelism requirement, so that the vise can be stably clamped; the part is clamped by adopting a pressing plate lapping and pressing mode, the problem of interference between a cutter and the pressing plate needs to be considered when the upper surface of a part blank is clamped, so that not only is the trouble increased for processing and manufacturing, but also the working procedure is increased when the pressing point is processed in the later period; the bolt is drawn tightly backward and is not only increased the process, still need notice to bore whether the processing profile that the bolt hole can destroy the part of attacking can.
Therefore, a clamping mechanism for hexahedral blanks is needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clamping mechanism for hexahedron blank, the vice that can solve existence among the prior art presss from both sides tight scope little, and the bolt back-pull presss from both sides tightly needs to increase the process, and the clamp plate is taken pressure and is compressed tightly the work piece and need additionally consider that the cutter interferes, part profile interferes the scheduling problem.
To achieve the purpose, the utility model adopts the following technical proposal:
a clamping mechanism for hexahedral blanks, comprising: the fixing block is fixedly arranged on the first T-shaped block through a first fastener, one end of the side fixing pressing plate is pivoted with one end of the fixing block, and the side fixing pressing plate is sleeved on a second fastener on the second T-shaped block and can be driven by the second fastener to rotate relative to the fixing block.
Preferably, one end of the fixed block is provided with an arc protrusion, one end of the side fixing pressing plate is provided with an arc groove, and the arc groove is in running fit with the arc protrusion.
Preferably, the surface of one end, away from the fixed block, of the side fixing pressure plate is an arc surface.
Preferably, a tooth-shaped structure is arranged on the cambered surface.
Preferably, the upper surface of the first T-shaped block is provided with a first positioning threaded hole, the fixing block is provided with a first positioning hole opposite to the first positioning threaded hole, and the first fastener penetrates through the first positioning hole and is in threaded connection with the first positioning threaded hole.
Preferably, a first elastic gasket penetrates through the first fastener and is located between the first fastener and the fixing block.
Preferably, the first positioning threaded hole and the first positioning hole opposite to the first positioning threaded hole are both provided in two.
Preferably, a second positioning threaded hole is formed in the upper surface of the second T-shaped block, a second positioning hole opposite to the second positioning threaded hole is formed in the side fixing and pressing plate, and the second fastener penetrates through the second positioning hole and is in threaded connection with the second positioning threaded hole.
Preferably, a spherical washer is arranged on the second fastener in a penetrating manner, and the spherical washer is arranged between the second fastener and the side pressing plate.
Preferably, a conical washer is arranged on the second fastening piece in a penetrating mode, and the conical washer is arranged between the second fastening piece and the spherical washer.
The utility model has the advantages that:
the utility model provides a clamping mechanism for hexahedron blank, fixed setting of fixed block are on first T type piece, and the solid clamp plate of side is fixed to be set up on second T type piece, and the solid clamp plate of side and fixed block pin joint, the solid clamp plate of side keep away from the one end butt of fixed block on the side of hexahedron blank. Through four sides along the hexahedron at the lathe workstation set up a plurality of this clamping mechanism, because this clamping mechanism fixes the hexahedron blank in the side of hexahedron blank through the solid clamp plate of side one end butt that the fixed block was kept away from, the vice that exists among the prior art can be solved and the tight scope of clamp is little, and the bolt back-pull presss from both sides tightly and need increase the process, and clamp plate overlap pressure compresses tightly the work piece and need additionally consider cutter interference, part profile interference scheduling problem. The lateral fixing pressing plate is pivoted with the fixing block, the fixing block is firmly fixed with a machine tool workbench through the first fastener, the lateral fixing pressing plate rotates by taking the position pivoted with the fixing block as a fulcrum and tightening the second fastener, and pressing force in the downward oblique direction is applied to the hexahedron blank, so that the purpose of stably clamping is achieved.
Drawings
Fig. 1 is a schematic view of a clamping mechanism for hexahedral blanks according to the present invention;
FIG. 2 is an assembly view of a clamping mechanism for hexahedral blanks according to the present invention;
fig. 3 is an exploded view of a clamping mechanism for hexahedral blanks according to the present invention.
In the figure:
1-a clamping mechanism; 11-a first T-block; 12-a second T-block; 13-fixing block; 14-side fixing and pressing plate; 15-a first fastener; 16-a second fastener; 17-arc bulge; 18-taper washer; 19-spherical washers;
2-hexahedral blank;
3-machine tool working table.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In order to effectively fix a hexahedron blank workpiece and avoid the problems that in the prior art, the clamping range of a vice is small, a process needs to be added when a bolt is pulled reversely to clamp the workpiece, and cutter interference, part profile interference and the like need to be additionally considered when a pressing plate presses and compresses the workpiece. As shown in fig. 1-3, the utility model provides a clamping mechanism for hexahedron blank, including fixed block 13, first T type piece 11, second T type piece 12 and the solid clamp plate 14 of side, fixed block 13 is fixed to be set up on first T type piece 11 through first fastener 15, and the one end of the solid clamp plate 14 of side is with the one end pin joint of fixed block 13, and the solid clamp plate 14 cover of side is located on the second fastener 16 on second T type piece 12 to can be driven by second fastener 16 and rotate for fixed block 13. A plurality of clamping mechanisms 1 are arranged around a hexahedral blank 2, a fixed block 13 is firmly fixed with a machine tool workbench 3 through a first fastener 15, a side fixing pressing plate 14 takes a position pivoted with the fixed block 13 as a fulcrum, the side fixing pressing plate 14 rotates by screwing a second fastener 16, and pressing force in an oblique downward direction is applied to the hexahedral blank 2, so that the purpose of realizing stable clamping is achieved.
Specifically, in this embodiment, one end of the fixed block 13 is provided with an arc protrusion 17, one end of the side pressing plate 14 is provided with an arc groove, and the arc groove on the side pressing plate 14 is rotationally matched with the arc protrusion 17 on the fixed block 13. Circular arc protruding 17 provides the fulcrum for the solid clamp plate 14 of side, and the solid clamp plate 14 of side can be rotatory round circular arc protruding 17 when screwing up second fastener 16, and then supports hexahedron blank 2, guarantees that hexahedron blank 2 can not take place to rock at the in-process of machining, guarantees that the machining process goes on smoothly. Of course, the arc protrusion 17 may be disposed on one side of the side pressure fixing plate 14, and the arc groove may be disposed on the fixing plate, so that the side pressure fixing plate 14 and the fixing plate may be rotatably engaged with each other without being limited thereto. In other embodiments, the side pressure plate 14 may be pivotally connected to the fixed plate in a hinged manner.
Further, the one end surface that solid clamp plate 14 of side deviates from fixed block 13 is the cambered surface, the surface of the solid clamp plate 14 of side with 2 sides butts of hexahedron blank is the arc promptly, when screwing up second fastener 16, because the solid clamp plate 14 of side is the arc, can provide stable clamping-force to the side of hexahedron blank 2, in order to further guarantee that this clamping mechanism 1 is firm to 2 centre grippings of hexahedron blank, optionally, be provided with the profile of tooth structure on this arc side, the setting of profile of tooth structure has increased the pressure at contact site between arc side and the 2 sides of hexahedron blank. Of course, anti-skid materials such as rubber can be arranged on the arc-shaped side face, and the clamping force is increased by increasing the friction force, so that the subsequent machining is ensured to be smoothly carried out.
Further, a first positioning threaded hole is formed in the upper surface of the first T-shaped block 11, a first positioning hole opposite to the first positioning threaded hole is formed in the fixed block 13, a first fastening piece 15 penetrates through the first positioning hole to be in threaded connection with the first positioning threaded hole, the fixed block 13 is fixedly connected with the first T-shaped block 11, meanwhile, the fixed block 13 and the first T-shaped block 11 are clamped on the machine tool workbench 3 by screwing the first fastening piece 15, optionally, the first fastening piece 15 is a bolt, and a first elastic gasket (not shown in the figure) penetrates through the first fastening piece 15 in order to prevent the first fastening piece 15 from loosening, and is located between the first fastening piece 15 and the fixed block 13; in order to stably fix the fixing block 13 to the first T-shaped block 11, optionally, two first positioning threaded holes and two first positioning holes opposite to the first positioning threaded holes are provided, and the fixing block 13 is fixed to the first T-shaped block 11 by two first fastening members 15.
Further, a second positioning threaded hole is formed in the upper surface of the second T-shaped block 12, a second positioning hole opposite to the second positioning threaded hole is formed in the side pressing plate 14, and a second fastening piece 16 penetrates through the second positioning hole and is in threaded connection with the second positioning threaded hole to fixedly connect the side pressing plate 14 with the second T-shaped block 12. Optionally, the second fastening member 16 is also a bolt, a spherical washer 19 and a conical washer 18 are arranged on the second fastening member 16 in a penetrating manner, and the spherical washer 19 is arranged between the second fastening member 16 and the side pressing plate 14; the conical washer 18 is arranged between the second fastening piece 16 and the spherical washer 19, and the first fastening piece 15 ensures that the force acting on the side pressure fixing plate 14 is always vertically downward through the spherical washer 19 and the conical washer 18, so that the side pressure fixing plate 14 and the second T-shaped block 12 are fastened on the machine tool workbench 3.
The use method of the clamping mechanism 1 is as follows:
in the embodiment, four groups of clamping mechanisms 1 are used for clamping and positioning the workpiece, the hexahedral blank 2 is made of an aluminum alloy material, and the use method of the clamping mechanisms 1 is as follows:
firstly, placing a hexahedral blank 2 at a corresponding position of a machine tool workbench 3, and sliding a plurality of groups of clamping mechanisms 1 from two sides of the machine tool workbench 3 along a T-shaped groove respectively until a side pressure fixing plate 14 contacts the hexahedral blank 2; then, the first fastening member 15 in the clamping mechanism 1 is tightened, and the tightening force is corrected by using a torque wrench to realize the firm connection of the fixing block 13 and the machine tool table 3; next, the second fastening members 16 in the clamping mechanism 1 are tightened uniformly to achieve uniform force application to several sets of clamping mechanisms 1. At this time, the force of the second fastening piece 16 acting on the side fixing pressing plate 14 through the spherical washer 19 and the conical washer 18 is always vertically downward, and the side fixing pressing plate 14 applies downward pressing force to the hexahedral blank 2 by taking the position where the arc surface is pivoted with the fixing block 13 as a fulcrum, so as to achieve the purpose of clamping.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A clamping mechanism for hexahedral blanks, comprising: the fixing device comprises a first T-shaped block (11), a second T-shaped block (12), a fixing block (13) and a side fixing pressing plate (14), wherein the fixing block (13) is fixedly arranged on the first T-shaped block (11) through a first fastening piece (15), one end of the side fixing pressing plate (14) is pivoted with one end of the fixing block (13), and the side fixing pressing plate (14) is sleeved on a second fastening piece (16) on the second T-shaped block (12) and can be driven by the second fastening piece (16) to rotate relative to the fixing block (13).
2. The clamping mechanism for hexahedral blanks according to claim 1, characterized in that one end of the fixed block (13) is provided with a circular arc protrusion (17), one end of the lateral fixed pressing plate (14) is provided with a circular arc groove, and the circular arc groove is in running fit with the circular arc protrusion (17).
3. Clamping mechanism for hexahedral blanks according to claim 1, characterized in that the end surface of the lateral holding plate (14) facing away from the holding block (13) is cambered.
4. A clamping mechanism for hexahedral blanks according to claim 3, wherein tooth formations are provided on the arc faces.
5. The clamping mechanism for the hexahedral blank according to claim 1, wherein a first positioning threaded hole is formed in an upper surface of the first T-shaped block (11), a first positioning hole opposite to the first positioning threaded hole is formed in the fixing block (13), and the first fastening member (15) passes through the first positioning hole and is in threaded connection with the first positioning threaded hole.
6. A clamping mechanism for hexahedral blanks according to claim 1, characterized in that a first elastic gasket is pierced on the first fastening member (15), which is located between the first fastening member (15) and the fixed block (13).
7. A clamping mechanism for a hexahedral blank according to claim 5, wherein two of the first positioning threaded holes and the first positioning holes opposite to the first positioning threaded holes are provided.
8. The clamping mechanism for the hexahedral blank according to claim 1, wherein a second positioning threaded hole is formed in the upper surface of the second T-shaped block (12), a second positioning hole opposite to the second positioning threaded hole is formed in the side pressure plate (14), and the second fastening member (16) passes through the second positioning hole and is in threaded connection with the second positioning threaded hole.
9. A clamping mechanism for hexahedral blanks according to claim 1, characterized in that said second fastening member (16) is pierced with a spherical washer (19), said spherical washer (19) being interposed between said second fastening member (16) and said lateral holding plate (14).
10. A clamping mechanism for hexahedral blanks according to claim 9, characterized in that a tapered washer (18) is pierced on the second fastening member (16), said tapered washer (18) being arranged between the second fastening member (16) and the spherical washer (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920972335.8U CN210255198U (en) | 2019-06-26 | 2019-06-26 | Clamping mechanism for hexahedron blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920972335.8U CN210255198U (en) | 2019-06-26 | 2019-06-26 | Clamping mechanism for hexahedron blank |
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| Publication Number | Publication Date |
|---|---|
| CN210255198U true CN210255198U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920972335.8U Active CN210255198U (en) | 2019-06-26 | 2019-06-26 | Clamping mechanism for hexahedron blank |
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| CN (1) | CN210255198U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644871A (en) * | 2020-06-04 | 2020-09-11 | 广州里工实业有限公司 | Small-size precision vice anchor clamps are used in smart machine-finished of stainless steel cubic part |
| CN112338589A (en) * | 2020-10-29 | 2021-02-09 | 中国航空工业集团公司洛阳电光设备研究所 | Part fixing device with T-shaped groove on machine tool base |
| CN115255990A (en) * | 2022-08-16 | 2022-11-01 | 山西平阳重工机械有限责任公司 | Milling fixture for thin plate part surface |
-
2019
- 2019-06-26 CN CN201920972335.8U patent/CN210255198U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644871A (en) * | 2020-06-04 | 2020-09-11 | 广州里工实业有限公司 | Small-size precision vice anchor clamps are used in smart machine-finished of stainless steel cubic part |
| CN112338589A (en) * | 2020-10-29 | 2021-02-09 | 中国航空工业集团公司洛阳电光设备研究所 | Part fixing device with T-shaped groove on machine tool base |
| CN115255990A (en) * | 2022-08-16 | 2022-11-01 | 山西平阳重工机械有限责任公司 | Milling fixture for thin plate part surface |
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