CN216029485U - Quick positioning tool for cross shaft - Google Patents
Quick positioning tool for cross shaft Download PDFInfo
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- CN216029485U CN216029485U CN202122458709.4U CN202122458709U CN216029485U CN 216029485 U CN216029485 U CN 216029485U CN 202122458709 U CN202122458709 U CN 202122458709U CN 216029485 U CN216029485 U CN 216029485U
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- positioning
- screw rod
- side plates
- cross shaft
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Abstract
The utility model relates to the technical field of tool fixtures, and discloses a cross shaft rapid positioning tool, which comprises a bottom plate, wherein two parallel side plates are fixed on the bottom plate, a positioning seat is fixed between the upper ends of the side plates, a positioning groove is formed in the top surface of the positioning seat, the cross section of the bottom surface of the positioning groove is of a V-shaped structure, and a positioning through hole vertical to the bottom plate is formed in the center of the positioning groove; two parallel slide bars are arranged on the lower side of the positioning seat between the two side plates, two clamping assemblies are arranged between the slide bars and are connected with the slide bars in a sliding mode, a screw rod is arranged between the lower ends of the two side plates, two threads with opposite rotation directions are arranged on the screw rod, one end of the screw rod penetrates through the side plates, a locking hand wheel is fixed at the end portion of the screw rod, thread sleeves are fixed at the lower end of the clamping assemblies, and the two threads on the screw rod are in one-to-one corresponding threaded connection with the two thread sleeves respectively. The utility model has the advantages of convenient use, stable positioning and strong universality.
Description
Technical Field
The utility model relates to the technical field of tool fixtures, in particular to a quick positioning tool for a cross shaft.
Background
A cross shaft, as shown in fig. 8, is a common mechanical component used for power transmission or connection of some shaft workpieces. The cross shaft workpiece is further processed, such as end punching, end chamfering and the like. Need fix a position when the cross adds man-hour, adopt three-jaw chuck to fix a position axle type (including the cross) work piece at present usually, however to the cross work piece, three-jaw chuck centre gripping is inconvenient, and because axial position is difficult to keep the exact same in the time of centre gripping at every turn, position when need take notes drill bit and cross up end contact during drilling, then the drill bit feeds the degree of depth that suitable position could guarantee to drill unanimously, and the operation is more troublesome, and drilling efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick positioning tool for a cross shaft, which aims to solve the problems that the cross shaft is inconvenient to position and the processing efficiency is influenced because the end surface positions are inconsistent in each positioning in the prior art, and is convenient and stable to use.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a cross shaft rapid positioning tool comprises a bottom plate, wherein two parallel side plates are fixed on the bottom plate, a positioning seat is fixed between the upper ends of the side plates, a positioning groove is formed in the top surface of the positioning seat, the cross section of the bottom surface of the positioning groove is of a V-shaped structure, and a positioning through hole perpendicular to the bottom plate is formed in the center of the positioning groove; two parallel slide bars are arranged on the lower side of the positioning seat between the two side plates, two clamping assemblies are arranged between the slide bars and are connected with the slide bars in a sliding mode, a screw rod is arranged between the lower ends of the two side plates, two threads with opposite rotation directions are arranged on the screw rod, one end of the screw rod penetrates through the side plates, a locking hand wheel is fixed at the end portion of the screw rod, thread sleeves are fixed at the lower end of the clamping assemblies, and the two threads on the screw rod are in one-to-one corresponding threaded connection with the two thread sleeves respectively. One end of the cross shaft to be processed faces upwards, the lower end of the cross shaft is inserted into the positioning through hole, shafts on two sides of the cross shaft are clamped into the positioning groove and limited through a V-shaped structure on the bottom surface of the positioning groove, then the screw rod is driven to rotate through the locking hand wheel, so that the clamping assembly is close to and clamps the lower end of the cross shaft, all degrees of freedom of the cross shaft are limited at the moment, after the upper end of the cross shaft is processed, the locking hand wheel is loosened, the cross shaft is taken out, and then the other end of the cross shaft is inserted into the positioning through hole and clamped. Through the positioning of this kind of frock can realize the cross fast, the position of location all keeps unanimous at every turn to improve machining efficiency, convenient to use moreover can be to the cross location use of different length, diameter, the commonality is strong.
Preferably, the clamping assembly comprises a sliding seat and a clamping block, a limiting groove is formed in the inner side of the sliding seat, the clamping block is clamped in the limiting groove, the upper end of the clamping block extends to form a connecting plate, the connecting plate is fixed with the top surface of the sliding seat through a bolt, and a V-shaped clamping groove is formed in the side surface of the clamping block. The clamping assembly clamps the lower end of the cross shaft through the V-shaped clamping groove in the clamping block, automatic centering is achieved during clamping, and clamping is stable.
Preferably, the clamping block is made of an aluminum alloy or a copper alloy. The clamping block is made of aluminum alloy or copper alloy with low hardness, and the cross shaft cannot be damaged during clamping.
Preferably, the upper end of the side plate is provided with a vertical slotted hole, and the vertical slotted hole is fixedly connected with the positioning seat through a bolt. The height of the positioning seat can be adjusted through the vertical slot holes, so that clamping and positioning of cross shafts with different lengths are met.
Preferably, both ends of the bottom plate are provided with transverse slotted holes. The transverse slotted hole is convenient for the installation and connection of the bottom plate and a workbench of a machine tool (such as a drilling machine, a milling machine and the like).
Therefore, the utility model has the advantages of convenient use, stable positioning and strong universality.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a cross-sectional view taken at a-a in fig. 3.
Fig. 5 is a schematic structural view of fig. 1 with the positioning seat removed.
Fig. 6 is a schematic structural view of the clamping assembly.
Fig. 7 is an exploded view of the clamping assembly.
FIG. 8 is a schematic diagram of a cross.
In the figure: the clamping device comprises a bottom plate 1, a transverse slot hole 100, a side plate 2, a positioning seat 3, a positioning slot 30, a positioning through hole 31, a vertical slot hole 4, a sliding rod 5, a clamping assembly 6, a sliding seat 60, a clamping block 61, a limiting slot 62, a connecting plate 63, a V-shaped clamping groove 64, a screw 7, a locking hand wheel 8, a threaded sleeve 9 and a cross shaft 10.
Detailed Description
The utility model is further described with reference to the accompanying drawings and the detailed description below:
the cross shaft rapid positioning tool shown in fig. 1-5 comprises a bottom plate 1, wherein two ends of the bottom plate are provided with transverse slotted holes 100, two parallel side plates 2 are fixed on the bottom plate 1, a positioning seat 3 is fixed between the upper ends of the side plates 2, the upper ends of the side plates 2 are provided with vertical slotted holes 4, and the vertical slotted holes are fixedly connected with the positioning seat through bolts; the top surface of the positioning seat 3 is provided with a positioning groove 30, the cross section of the bottom surface of the positioning groove 30 is in a V-shaped structure, and the center of the positioning groove 30 is provided with a positioning through hole 31 vertical to the bottom plate;
two parallel slide bars 5 are arranged on the lower side of the positioning seat 3 between the two side plates 2, two clamping assemblies 6 are arranged between the slide bars 5, the clamping assemblies 6 are connected with the slide bars in a sliding manner, a screw 7 is arranged between the lower ends of the two side plates, two threads with opposite rotating directions are arranged on the screw 7, one end of the screw 7 penetrates through the side plates and is fixedly provided with a locking hand wheel 8 at the end part, thread sleeves 9 are fixed at the lower ends of the clamping assemblies 6, and the two threads on the screw 7 are respectively in one-to-one corresponding threaded connection with the two thread sleeves.
As shown in fig. 6 and 7, the clamping assembly 6 includes a sliding seat 60 and a clamping block 61, a limiting groove 62 is formed in the inner side of the sliding seat 60, the clamping block is clamped in the limiting groove, a connecting plate 63 is formed by extending the upper end of the clamping block 61, the connecting plate is fixed with the top surface of the sliding seat by a bolt, and a V-shaped clamping groove 64 is formed in the side surface of the clamping block 61; the clamping block is made of aluminum alloy or copper alloy.
The principle of the utility model is as follows with reference to the attached drawings: the cross shaft 10 shown in fig. 8 is installed in the positioning through hole on the positioning seat in the mode shown in fig. 1 and fig. 2, the end to be processed of the cross shaft faces upwards, the lower end of the cross shaft is inserted into the positioning through hole, the shafts on two sides of the cross shaft are clamped into the positioning grooves and limited through the V-shaped structures on the bottom surfaces of the positioning grooves, the upper position, the lower position and the circumferential direction of the cross shaft are limited at the moment, then the locking hand wheel drives the screw to rotate, so that the clamping assembly is close to and clamps the lower end of the cross shaft, automatic centering is realized when the V-shaped clamping grooves on the clamping block clamp the cross shaft, all degrees of freedom of the cross shaft are limited at the moment, and then the upper end of the cross shaft is processed; after processing, the locking hand wheel is loosened, the cross shaft is taken out, and then the other end of the cross shaft is inserted into the positioning through hole and clamped. Through the positioning of this kind of frock can realize the cross fast, the position of location all keeps unanimous at every turn to improve machining efficiency, convenient to use moreover can be to the cross location use of different length, diameter, the commonality is strong.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (5)
1. A cross shaft rapid positioning tool comprises a bottom plate and is characterized in that two parallel side plates are fixed on the bottom plate, a positioning seat is fixed between the upper ends of the side plates, a positioning groove is formed in the top surface of the positioning seat, the cross section of the bottom surface of the positioning groove is of a V-shaped structure, and a positioning through hole perpendicular to the bottom plate is formed in the center of the positioning groove; two parallel slide bars are arranged on the lower side of the positioning seat between the two side plates, two clamping assemblies are arranged between the slide bars and are connected with the slide bars in a sliding mode, a screw rod is arranged between the lower ends of the two side plates, two threads with opposite rotation directions are arranged on the screw rod, one end of the screw rod penetrates through the side plates, a locking hand wheel is fixed at the end portion of the screw rod, thread sleeves are fixed at the lower end of the clamping assemblies, and the two threads on the screw rod are in one-to-one corresponding threaded connection with the two thread sleeves respectively.
2. The tool for quickly positioning the cross shaft according to claim 1, wherein the clamping assembly comprises a sliding seat and a clamping block, a limiting groove is formed in the inner side of the sliding seat, the clamping block is clamped in the limiting groove, a connecting plate is formed by extending the upper end of the clamping block, the connecting plate is fixed with the top surface of the sliding seat through a bolt, and a V-shaped clamping groove is formed in the side surface of the clamping block.
3. The tool for quickly positioning the cross shaft as claimed in claim 2, wherein the clamping block is made of aluminum alloy or copper alloy.
4. The tool for quickly positioning the cross shaft according to claim 1, wherein the upper end of the side plate is provided with a vertical slot hole, and the vertical slot hole is fixedly connected with the positioning seat through a bolt.
5. The tool for quickly positioning the cross shaft as claimed in claim 1, wherein the two ends of the bottom plate are provided with transverse slotted holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122458709.4U CN216029485U (en) | 2021-10-12 | 2021-10-12 | Quick positioning tool for cross shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122458709.4U CN216029485U (en) | 2021-10-12 | 2021-10-12 | Quick positioning tool for cross shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216029485U true CN216029485U (en) | 2022-03-15 |
Family
ID=80608948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122458709.4U Active CN216029485U (en) | 2021-10-12 | 2021-10-12 | Quick positioning tool for cross shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216029485U (en) |
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2021
- 2021-10-12 CN CN202122458709.4U patent/CN216029485U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230419 Address after: Room A706, No. 500 Jucai Road, Changhe Street, Binjiang District, Hangzhou City, Zhejiang Province, 310056 Patentee after: Hangzhou Chengying Enterprise Management Co.,Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310053 shore road 528 Patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING |