CN216138512U - Special-shaped clamping tool for machining - Google Patents
Special-shaped clamping tool for machining Download PDFInfo
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- CN216138512U CN216138512U CN202121724560.3U CN202121724560U CN216138512U CN 216138512 U CN216138512 U CN 216138512U CN 202121724560 U CN202121724560 U CN 202121724560U CN 216138512 U CN216138512 U CN 216138512U
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Abstract
The utility model discloses a special-shaped clamping tool for machining, and belongs to the field of machining. The special-shaped clamping tool for machining comprises a butt-clamping bottom plate, a driving frame, a sliding rail, a movable clamping strip, a driving device, a connecting piece, a transmission gear and universal support legs. The special-shaped workpiece clamping device has the advantages that the driving device is utilized, the transmission gear is used for transmission, two different clamping distances can be output, the universal support legs are matched for conducting clamping force, the special-shaped workpiece clamping device is outstanding in clamping effect on special-shaped workpieces, the structure is simple, the operation is simple and convenient, the clamping efficiency of single-drive output double clamping surfaces is high, and the practicability of the existing clamp for clamping special-shaped workpieces is enhanced.
Description
Technical Field
The utility model belongs to the field of machining, and particularly relates to a special-shaped clamping tool for machining.
Background
The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. Among various types of clamps, universal clamps such as machine vises and chucks have strong universality and can be well adapted to the change of machining procedures and machining objects.
In terms of the prior art, the general fixture has a classic structure, practical specifications are serialized, the main clamping capacity covers the ranges of planes, cylindrical surfaces, curved surfaces and the like, but when the general fixture faces a workpiece with a complex shape structure, the general fixture can only select one end face of the workpiece to clamp, if the quantity of the clamping ends is to be enriched, the corresponding quantity of drives needs to be increased, the structure of the special-shaped fixture is complex, the operation of multiple groups of drives is complex, the clamping efficiency is low, and the poor practicability of the existing fixture in clamping the special-shaped workpiece is reflected.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a dysmorphism clamping instrument is used in machining to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: a special-shaped clamping tool for machining comprises a butt-clamping bottom plate, a driving frame, a sliding rail, a movable clamping strip, a driving device, a connecting piece, a transmission gear and universal support legs; install the carriage on the butt clamp bottom plate, install a pair of slide rail on the carriage, it is a pair of swing joint has respectively in the slide rail moves the holding strip, move the bottom of holding strip and install universal stabilizer blade, install drive arrangement on the carriage, drive arrangement's output ann installs the connecting piece, install drive gear on the connecting piece, drive gear uses with moving the holding strip cooperation.
Furthermore, the driving frame is of a convex frame structure, two through grooves are formed in the driving frame, a driving hole is formed between the two through grooves, and the driving device is arranged in the driving hole; the driving frame is used for connecting and mounting the whole structure.
Furthermore, the movable clamping strip is composed of a sliding block, a rack and a limiting block, the end face of the sliding block is of a conical structure, the rack is mounted on the sliding block, the limiting block is mounted on the upper portion of the rack, the rack is meshed with the transmission gear, the top of the movable clamping strip penetrates through the through groove and extends to the outside of the driving frame, and a mounting hole is formed in the bottom of the movable clamping strip; the two movable clamping strips can move along the sliding rail under stress, and can move at different distances under the action of the transmission gear, so that the clamping device is suitable for clamping workpieces with special-shaped structures.
Furthermore, universal support legs are arranged in mounting holes in the bottoms of the movable clamping strips, each universal support leg consists of a supporting pad and a connecting rod, the upper part of each connecting rod is of a threaded structure, the lower end of each connecting rod is of a spherical structure, and the lower end of each connecting rod is movably arranged in the corresponding supporting pad; the universal support legs can change the direction of the clamping force transmitted by the clamping strips, so that the workpiece can be clamped at the optimal angle.
Furthermore, a rib plate is arranged at a folding angle of the driving frame; the rib plate can strengthen the structural strength of the driving frame.
Further, the driving device is a linear output device, preferably a hydraulic rod or a pneumatic telescopic rod; the driving device is used as a power source of the clamp and can provide stable and efficient clamping force for the clamp.
Has the advantages that: the special-shaped workpiece clamping device has the advantages that the driving device is utilized, the transmission gear is used for transmission, two different clamping distances can be output, the universal support legs are matched for conducting clamping force, the special-shaped workpiece clamping device is outstanding in clamping effect on special-shaped workpieces, the structure is simple, the operation is simple and convenient, the clamping efficiency of single-drive output double clamping surfaces is high, and the practicability of the existing clamp for clamping special-shaped workpieces is enhanced.
Drawings
Fig. 1 is a schematic structural view of the clamping special-shaped piece.
Fig. 2 is a schematic structural view of the clamping rule piece of the utility model.
FIG. 3 is a schematic structural view of the movable clamping strip of the present invention.
FIG. 4 is a schematic structural view of the universal foot of the present invention.
The reference signs are: the clamp comprises a butt clamp bottom plate 1, a translation clamping piece 2, a driving frame 3, a sliding rail 4, a movable clamping strip 5, a sliding block 51, a rack 52, a mounting hole 53, a limiting block 54, a driving device 6, a connecting piece 7, a rib plate 8, a transmission gear 9, universal supporting legs 10, a supporting pad 11 and a connecting rod 12.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.
As shown in fig. 1, a special-shaped clamping tool for machining comprises a butt clamp bottom plate 1, a translational clamping piece 2, a driving frame 3, a sliding rail 4, a movable clamping strip 5, a driving device 6, a connecting piece 7, a ribbed plate 8, a transmission gear 9 and universal support legs 10; a drive frame 3 which is of a convex structure is installed on a butt-clamp bottom plate 1 for placing a workpiece, rib plates 8 are installed at the folding corners of the drive frame 3, the rib plates 8 are used for strengthening the stability of a clamping structure, a drive hole is formed in the middle of the upper end face of the drive frame 3, a drive device 6 is installed in the drive hole, the drive device 6 is a linear output device, preferably, a hydraulic rod, a pneumatic telescopic rod and the like are installed at the output end of the drive device 6, a connecting piece 7 is installed at the middle of the connecting piece 7, a transmission gear 9 is hinged to the middle of the connecting piece 7, movable clamping strips 5 are respectively meshed to two sides of the transmission gear 9, the movable clamping strips 5 are movably installed in sliding rails 4, two sliding rails 4 are installed on the drive frame 3, through grooves are formed in two sides of the drive hole, the top of each movable clamping strip 5 is transmitted through the through grooves and extends to the upper side of the drive frame 3, and universal support legs 10 are installed at the bottom of each movable clamping strip 5.
As shown in fig. 3, the movable clamping strip 5 is composed of a slider 51, a rack 52 and a stopper 54, the slider 51 with a tapered end surface is provided with the rack 52, the stopper 54 is arranged on the upper portion of the rack 52, and the bottom of the movable clamping strip 5 is provided with a mounting hole 53.
As shown in fig. 4, the universal supporting foot 10 is composed of a supporting pad 11 and a connecting rod 12, the upper portion of the connecting rod 12 is in a threaded structure, the lower end of the connecting rod 12 is in a spherical structure, the upper portion of the connecting rod 12 is connected in a mounting hole 53, and the lower end of the connecting rod 12 is movably arranged in the supporting pad 11.
Particularly, when the universal clamping device is used, the translational clamping piece 2 or the universal supporting leg 10 can be selected according to the structure of a workpiece to be clamped; when a regular part is clamped, the translational clamping piece 2 is arranged on the mounting hole 53 of the movable clamping strip 5 by using a bolt, the driving device 6 drives the two movable clamping strips 5 to synchronously move downwards through the transmission gear 9, and a workpiece is clamped at the same clamping distance, so that the clamping effect is more stable due to the large contact area between the translational clamping piece 2 and the workpiece;
when clamping a special-shaped workpiece, the universal support legs 10 are arranged in the mounting holes 53 of the movable clamping strips 5 by using the connecting rods 12, then the driving device 6 drives the two movable clamping strips 5 to synchronously move downwards through the transmission gear 9, after one of the universal support legs 10 is contacted with the workpiece, the movable clamping strip 5 connected with the universal support leg does not move downwards, the driving device 6 continues outputting, and the transmission gear 9 and the movable clamping strip 5 start to roll relatively until the transmission gear 9 transmits the other movable clamping strip 5 to the limit position; in the process, the universal support legs 10 are in contact with the surface of the workpiece, and clamping force conduction at an optimal angle is realized through the connecting structure of the connecting rods 12 and the supporting pads 11.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (6)
1. A special-shaped clamping tool for machining is characterized by comprising a butt clamp bottom plate, a driving frame, a sliding rail, a movable clamping strip, a driving device, a connecting piece, a transmission gear and universal support legs; install the carriage on the butt clamp bottom plate, install a pair of slide rail on the carriage, it is a pair of swing joint has respectively in the slide rail moves the holding strip, move the bottom of holding strip and install universal stabilizer blade, install drive arrangement on the carriage, drive arrangement's output ann installs the connecting piece, install drive gear on the connecting piece, drive gear uses with moving the holding strip cooperation.
2. A special-shaped clamping tool for machining according to claim 1, wherein the driving frame is of a convex frame structure, two through grooves are formed in the driving frame, a driving hole is formed between the two through grooves, and the driving device is arranged in the driving hole.
3. The special-shaped clamping tool for machining according to claim 1, wherein the movable clamping strip is composed of a sliding block, a rack and a limiting block, the end face of the sliding block is of a conical structure, the rack is mounted on the sliding block, the limiting block is mounted on the upper portion of the rack, the rack is meshed with the transmission gear, the top of the movable clamping strip penetrates through the through groove and extends to the outside of the driving frame, and a mounting hole is formed in the bottom of the movable clamping strip.
4. The special-shaped clamping tool for machining according to claim 1, wherein universal support legs are mounted in mounting holes in the bottom of the movable clamping strips, each universal support leg comprises a supporting pad and a connecting rod, the upper portion of each connecting rod is in a threaded structure, the lower end of each connecting rod is in a spherical structure, and the lower end of each connecting rod is movably arranged in the corresponding supporting pad.
5. A special-shaped clamping tool for machining according to claim 1, wherein rib plates are mounted at the folding corners of the driving frame.
6. A shaped clamping tool for machining according to claim 1 wherein the drive means is a linear output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121724560.3U CN216138512U (en) | 2021-07-28 | 2021-07-28 | Special-shaped clamping tool for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121724560.3U CN216138512U (en) | 2021-07-28 | 2021-07-28 | Special-shaped clamping tool for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216138512U true CN216138512U (en) | 2022-03-29 |
Family
ID=80803036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121724560.3U Active CN216138512U (en) | 2021-07-28 | 2021-07-28 | Special-shaped clamping tool for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216138512U (en) |
-
2021
- 2021-07-28 CN CN202121724560.3U patent/CN216138512U/en active Active
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