CN210524918U - Clamping mechanism of workpiece deformation measuring device - Google Patents
Clamping mechanism of workpiece deformation measuring device Download PDFInfo
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- CN210524918U CN210524918U CN201921589061.0U CN201921589061U CN210524918U CN 210524918 U CN210524918 U CN 210524918U CN 201921589061 U CN201921589061 U CN 201921589061U CN 210524918 U CN210524918 U CN 210524918U
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- clamping block
- positioning holes
- measuring device
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Abstract
The utility model discloses a clamping mechanism of a workpiece deformation measuring device, which comprises a table board, wherein two groups of mutually perpendicular guide rails are arranged on the table board, each group of guide rails is provided with a group of slide blocks, the guide rails are provided with a plurality of positioning holes A with even intervals, the slide blocks are provided with positioning holes B, the axes of the positioning holes B and the axes of the positioning holes A are on the same plane, so that the slide blocks slide along the guide rails, and the positioning holes B can be superposed with any group of positioning holes A and fixed through bolts; the sliding block is provided with a clamping component; the clamping component comprises a lower clamping block and an upper clamping block which are oppositely arranged, the lower clamping block is arranged on the sliding block, a clamping cavity is arranged between the lower clamping block and the upper clamping block, and the lower clamping block and the upper clamping block are clamped through a force application structure. The utility model discloses fixture is through adjusting the position of hold assembly on the slide rail, and is better to the part adaptability of different deformation degree, and the centre gripping is stable, convenient operation.
Description
Technical Field
The utility model belongs to the technical field of deformation detection equipment, concretely relates to workpiece deformation measuring device's fixture.
Background
Shaft rod type parts are often subjected to bending deformation due to radial load impact, and in order to improve the impact resistance of the parts, impact test and deformation detection are needed to improve the product.
When the part is detected, because the part is bent and deformed, the two ends of the part are not in the same straight line, and when the part is clamped and fixed, the clamping of the two ends of the deformed workpiece with different bending degrees cannot be met by the conventional clamp because the position of the clamping head is fixed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a fixture that detects shaft lever class part deformation in-process presss from both sides part both ends.
In order to realize the purpose, the utility model discloses a technical scheme be:
a clamping mechanism of a workpiece deformation measuring device comprises a table top, wherein two groups of mutually perpendicular guide rails are arranged on the table top, a group of sliding blocks are arranged on each group of guide rails, a plurality of positioning holes A are uniformly arranged on each guide rail at intervals, positioning holes B are arranged on each sliding block, and the axes of the positioning holes B and the axes of the positioning holes A are in the same plane, so that the positioning holes B can be superposed with any one group of positioning holes A and fixed through bolts in the sliding process of the sliding blocks along the guide rails; the sliding block is provided with a clamping component;
the clamping component comprises a lower clamping block and an upper clamping block which are oppositely arranged, wherein the lower clamping block is arranged on the sliding block, a clamping cavity is arranged between the lower clamping block and the upper clamping block, and the lower clamping block and the upper clamping block are clamped through a force application structure;
the force application structure includes two sets of montants, and two sets of montants pass respectively and set up in the connecting hole of pressing from both sides tight piece and last tight piece both ends down and extend to the connecting hole outside the hole, and two sets of montant lower extremes all are equipped with and keep off the ring, and two sets of montant upper ends link to each other through a set of horizontal pole, and the horizontal pole middle part is equipped with the screw hole, and threaded hole internal connection has the threaded rod, and the threaded rod upper end is equipped with.
The cross section profile of the clamping cavity is regular hexagon.
And the lower clamping block and the upper clamping block on the peripheral side of the clamping cavity are respectively provided with a group of positioning grooves.
The clamping mechanism further comprises a pipe fitting clamping structure arranged in the clamping cavity, the pipe fitting clamping structure comprises a base and a conical pipe arranged on the base, wherein two sets of positioning pieces are arranged on the base, and the two sets of positioning pieces are respectively matched with positioning grooves in the lower clamping block and the upper clamping block.
The tapered pipe is provided with a plurality of pipe grooves for dividing the tapered pipe into a plurality of tapered sheets.
The utility model discloses a pipe fitting clamping structure base, including conical tube, pipe fitting clamping structure base, conical tube outer surface cover is equipped with the centre gripping nut, is equipped with pipe fitting centre gripping hole in the conical tube, be equipped with on the centre gripping nut and broad matched with conical sleeve with the conical tube foreign steamer, the conical tube surface that is close to in pipe fitting clamping structure base one side is equipped with the external screw thread, and the centre gripping nut is installed on the external screw thread of.
A pipe fitting positioning shaft is arranged in a base of the pipe fitting clamping structure, and the axis of the pipe fitting positioning shaft is collinear with the axis of the clamping hole.
The outer contour of the base of the pipe fitting clamping structure is matched with the inner contour of the clamping cavity.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the utility model discloses a two sets of hold assembly are used for holding part both ends, and two sets of hold assembly install respectively on two sets of mutually perpendicular's tracks, and hold assembly can slide on the track and fix at the optional position, to the deformation part of different bending degree, all can the adaptability adjustment centre gripping through adjusting the position of hold assembly on the slide rail, and is better to the part adaptability of different deformation degrees, and the centre gripping is stable, convenient operation.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a perspective view of a single clamping member of the present invention;
FIG. 4 is a view of the structure of the clamping block of the present invention;
fig. 5 is a perspective view of the pipe clamping structure of the present invention 1;
fig. 6 is a perspective view of the pipe clamping structure of the present invention with the clamping nut removed, fig. 2;
fig. 7 is a sectional view of the pipe clamping structure of the present invention;
reference numerals: 1-table top, 2-guide rail, 2 a-positioning hole A, 3-clamping part, 3 a-lower clamping block, 3B-upper clamping block, 3 c-force application structure, 301-vertical rod, 3011-baffle ring, 302-cross rod, 3021-threaded hole, 303-threaded rod, 3031-knob, 304-slider, 3041-positioning hole B, 305-connecting hole, 306-positioning groove, 4-pipe clamping structure, 401-positioning key, 402-conical pipe, 4021-pipe groove, 403-clamping nut, 4031-conical sleeve and 405-pipe positioning shaft;
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
The first embodiment is as follows:
as shown in fig. 1-4, a clamping mechanism of a workpiece deformation measuring device comprises a table top 1, wherein two groups of mutually perpendicular guide rails 2 are arranged on the table top 1, and extension lines of the guide rails 2 are perpendicular to the middle section of the other group of guide rails 2;
each group of guide rails 2 is provided with a group of sliding blocks 304 capable of sliding on the guide rails 2, the guide rails 2 are provided with a plurality of positioning holes A2a uniformly spaced along the length direction of the rail, the sliding blocks 304 are provided with two groups of positioning holes B3041, the axes of the two groups of positioning holes B3041 and the axes of the positioning holes A2a are all on the same plane, in the sliding process of the sliding blocks 304 along the guide rails 2, the positioning holes B3041 can coincide with any group of positioning holes A2a, and the coinciding positioning holes B3041 and the positioning holes A2a are fixed through bolts, so that the whole sliding blocks 304 are fixed on the guide rails 2.
The clamping component 3 is arranged on the sliding block 304, the clamping component 3 comprises a lower clamping block 3a and an upper clamping block 3b which are arranged oppositely up and down, the lower clamping block 3a is fixedly arranged on the sliding block 304, a clamping cavity 3d for clamping shaft rod parts is arranged between the lower clamping block 3a and the upper clamping block 3b, and the cross section of the clamping cavity 3d is in a regular hexagon shape; all be equipped with slider 304 on two sets of guide rails 2, be equipped with clamping part 3 on the slider 304, there is centre gripping chamber 3d in the middle of clamping part 3, and the centre gripping chamber 3d that is located on two sets of guide rails 2 moves towards unanimously.
Lower clamp tight piece 3a and last press from both sides and press from both sides between the tight piece 3b through application of force structure 3c clamp, application of force structure 3c includes two sets of parallel montants 301, press from both sides tight piece 3a both ends down and press from both sides tight piece 3b both ends corresponding position from top to bottom and all be equipped with connecting hole 305, two sets of montants 301 pass respectively and set up in the connecting hole 305 that presss from both sides tight piece 3a and last tight piece 3b both ends down and extend to outside connecting hole 305 hole, two sets of montant 301 lower extreme all is equipped with fender ring 3011, two sets of montant 301 upper ends link to each other through a set of horizontal pole 302, horizontal pole 302 middle part is equipped with screw hole 3021, be connected with threaded rod 303 in the screw hole 3021, threaded rod 303 and two sets of montants 301 are parallel to each other, threaded.
The position of the clamping component 3 on the two groups of guide rails 2 is adjusted, two ends of shaft rod parts are respectively placed in the two groups of clamping cavities 3d, the knob 3031 is rotated, or a sleeve is sleeved on the knob 3031 to apply force, the threaded rod 303 moves downwards in the threaded hole 3021, the lower end of the threaded rod 303 tightly supports the upper end face of the upper clamping block 3b, the baffle ring 3011 tightly supports the lower end face of the lower clamping block 3a, and the lower clamping block 3a and the upper clamping block 3b are folded to clamp the shaft rod parts through continuously screwing in the threaded rod 303.
Example two:
as shown in fig. 5-7, for clamping the hollow tube-like deformed part, the present embodiment provides a tube clamping structure 4 installed in the clamping cavity 3d to clamp the tube-like deformed part, so that the clamping effect is stable and the damage to the deformed part itself is reduced when the clamping force is lower than that in the first embodiment.
The specific scheme is as follows: respectively be equipped with a set of constant head tank 306 on the lower clamp piece 3a of centre gripping chamber 3d week side and the last clamp piece 3b inner wall, pipe fitting clamping structure 4 includes the base and installs the toper pipe 402 on the base, in centre gripping chamber 3d was located to pipe fitting clamping structure 4's base, wherein install two sets of navigation keys 401 on the base, two sets of navigation keys 401 cooperate with the constant head tank 306 of pressing from both sides on 3a and the last clamp piece 3b down respectively, the base outline of pipe fitting clamping structure 4 cooperatees with the interior outline in centre gripping chamber 3d, be regular hexagon, make pipe fitting clamping structure 4 can not rotate and slide around in centre gripping chamber 3 d.
The tapered tube 402 extends out of the clamping cavity 3d, a plurality of tube slots 4021 are formed in the tapered tube 402 so as to divide the tapered tube 402 into a plurality of tapered pieces, an inner hole of the tapered tube 402 is a tube clamping hole 404 for clamping a tube part, a tube positioning shaft 405 is arranged in a base of the tube clamping structure 4, and the axis of the tube positioning shaft 405 is collinear with the axis of the clamping hole 404.
The outer surface cover of conical tube 402 is equipped with clamping nut 403, clamping nut 403 is last be equipped with conical tube 402 outer wheel broad fit's taper sleeve 4031, and the conical tube 402 surface that is close to base one side of pipe fitting clamping structure 4 is equipped with the external screw thread, is equipped with the internal thread on clamping nut 403, and the whole length of the helicoid of conical tube 402 surface external screw thread is greater than the internal thread helicoid length on clamping nut 403 and makes nut 403 can advance longer distance on conical tube 402 helicoid.
The conical sheet on the conical tube 402 is elastic, a tube part is inserted into the clamping hole 404, the inner hole of the tube part is sleeved on the positioning shaft 405, the screw cap 403 is screwed in, the conical surface of the conical sleeve 4031 continuously extrudes the conical sheet, the conical sheet shrinks and compresses the surface of the tube part, the tube part is tightly pressed, the tube part can be tightly clamped, the clamping force applied to the tube part in the screw thread screwing-in process is far smaller than the force directly applied by the extrusion type clamp, and the tube part is not easy to damage.
Claims (8)
1. The clamping mechanism of the workpiece deformation measuring device is characterized by comprising a table board (1), wherein two groups of guide rails (2) which are perpendicular to each other are arranged on the table board (1), each group of guide rails (2) is provided with a group of sliding blocks (304), the guide rails (2) are provided with a plurality of positioning holes A (2a) which are uniformly spaced, the sliding blocks (304) are provided with positioning holes B (3041), the axes of the positioning holes B (3041) and the axes of the positioning holes A (2a) are in the same plane, so that the sliding blocks (304) can be overlapped with any group of positioning holes A (2a) and fixed through bolts in the sliding process of the guiding rails (2); the sliding block (304) is provided with a clamping component (3);
the clamping component (3) comprises a lower clamping block (3a) and an upper clamping block (3b) which are oppositely arranged, wherein the lower clamping block (3a) is arranged on the sliding block (304), a clamping cavity (3d) is arranged between the lower clamping block (3a) and the upper clamping block (3b), and the lower clamping block (3a) and the upper clamping block (3b) are clamped through a force application structure (3 c);
force application structure (3c) include two sets of montants (301), two sets of montants (301) pass respectively and set up connecting hole (305) that press from both sides tight piece (3a) and last clamp tight piece (3b) both ends down and extend to connecting hole (305) extraforaminiferous, two sets of montant (301) lower extreme all is equipped with fender ring (3011), two sets of montant (301) upper end links to each other through a set of horizontal pole (302), horizontal pole (302) middle part is equipped with screw hole (3021), screw hole (3021) in-connection threaded rod (303), threaded rod (303) upper end is equipped with knob (3031), threaded rod (303) lower extreme is located and presss from both sides tight piece (3b) top.
2. The clamping mechanism of a workpiece deformation measuring device according to claim 1, wherein: the cross section profile of the clamping cavity (3d) is a regular hexagon.
3. The clamping mechanism of a workpiece deformation measuring device according to claim 1, wherein: and a group of positioning grooves (306) are respectively arranged on the lower clamping block (3a) and the upper clamping block (3b) on the peripheral side of the clamping cavity (3 d).
4. The clamping mechanism of a workpiece deformation measuring device according to claim 3, wherein: the clamping mechanism further comprises a pipe clamping structure (4) arranged in the clamping cavity (3d), the pipe clamping structure (4) comprises a base and a conical pipe (402) arranged on the base, wherein two sets of positioning keys (401) are arranged on the base, and the two sets of positioning keys (401) are respectively matched with positioning grooves (306) on the lower clamping block (3a) and the upper clamping block (3 b).
5. The clamping mechanism of a workpiece deformation measuring device according to claim 4, wherein: the tapered pipe (402) is provided with a plurality of pipe grooves (4021) to divide the tapered pipe (402) into a plurality of tapered sheets.
6. The clamping mechanism of a workpiece deformation measuring device according to claim 5, wherein: the outer surface cover of bell pipe (402) is equipped with clamping nut (403), is equipped with pipe fitting centre gripping hole (404) in bell pipe (402), be equipped with on clamping nut (403) with bell pipe (402) outer wheel broad matched with toper cover (4031), bell pipe (402) surface that is close to in pipe fitting clamping structure (4) base one side is equipped with the external screw thread, and clamping nut (403) are installed on the external screw thread of bell pipe (402).
7. The clamping mechanism of a workpiece deformation measuring device according to claim 6, wherein: a pipe positioning shaft (405) is arranged in a base of the pipe clamping structure (4), and the axis of the pipe positioning shaft (405) is collinear with the axis of the clamping hole (404).
8. The clamping mechanism of a workpiece deformation measuring device according to claim 4, wherein: the outer contour of the base of the pipe clamping structure (4) is matched with the inner contour of the clamping cavity (3 d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589061.0U CN210524918U (en) | 2019-09-23 | 2019-09-23 | Clamping mechanism of workpiece deformation measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589061.0U CN210524918U (en) | 2019-09-23 | 2019-09-23 | Clamping mechanism of workpiece deformation measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN210524918U true CN210524918U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921589061.0U Active CN210524918U (en) | 2019-09-23 | 2019-09-23 | Clamping mechanism of workpiece deformation measuring device |
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| Country | Link |
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| CN (1) | CN210524918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895897A (en) * | 2020-08-19 | 2020-11-06 | 中国重汽集团济南动力有限公司 | Cab rear overhang lower bracket casting blank detection device |
-
2019
- 2019-09-23 CN CN201921589061.0U patent/CN210524918U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895897A (en) * | 2020-08-19 | 2020-11-06 | 中国重汽集团济南动力有限公司 | Cab rear overhang lower bracket casting blank detection device |
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