CN215998755U - Flange internal expansion type clamping device - Google Patents
Flange internal expansion type clamping device Download PDFInfo
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- CN215998755U CN215998755U CN202122728718.0U CN202122728718U CN215998755U CN 215998755 U CN215998755 U CN 215998755U CN 202122728718 U CN202122728718 U CN 202122728718U CN 215998755 U CN215998755 U CN 215998755U
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- clamping device
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Abstract
The utility model relates to a flange internal expanding formula clamping device, including the positioning core axle, position sleeve and positioning disk, one side of positioning core axle is fixed with the chassis, a plurality of first bolt mounting holes and second bolt mounting hole have been seted up on the chassis, spacing through-hole has been seted up to the central point of positioning disk, spacing through-hole is passed to the one end of positioning core axle, the spacing groove has been seted up to one side that the positioning disk is close to the chassis, spacing groove and spacing through-hole are arranged with one heart, the third bolt mounting hole has been seted up to the position that corresponds second bolt mounting hole on the positioning disk, positioning sleeve one end is fixed with the spacing circle, spacing circle sliding connection is at the spacing inslot, the position sleeve cup joints at the positioning core axle, and the other end of position sleeve passes spacing through-hole, the tensioning logical groove has been seted up in the outside of position sleeve. Compared with the traditional three-jaw clamp, the positioning core shaft, the positioning sleeve and the positioning disc are higher in precision, and the adverse effect of manual clamping and operator state factors on the clamping precision is overcome; and is easier to replace and repair.
Description
Technical Field
The utility model relates to an anchor clamps technical field, more specifically say, relate to a flange internal expanding formula clamping device.
Background
Among the prior art, adopt three-jaw anchor clamps to carry out the excircle location and press from both sides tightly when the flange finish turning tip more, because artifical clamping and operator's state factor are 0.04mm to the adverse effect that the clamping precision caused, the workpiece surface after the processing is 0.04mm with the error of location benchmark, and the precision is lower, is difficult to satisfy the technical requirement of drawing, and anchor clamps are not convenient for dismantle the maintenance, the utility model discloses a new solution is proposed to above problem.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a flange internal expanding formula clamping device to solve the technical problem who mentions in the background art.
In order to solve the above problems, the utility model adopts the following technical proposal.
A flange internal expansion type clamping device comprises a positioning mandrel, a positioning sleeve and a positioning disc, wherein a chassis is fixed on one side of the positioning mandrel, the cross section of the positioning core shaft is wedge-shaped, a plurality of first bolt mounting holes and second bolt mounting holes are arranged on the chassis at equal angles by taking the center of the chassis as the circle center, a limiting through hole is arranged at the central position of the positioning disc, one end of the positioning core shaft passes through the limiting through hole, a limiting groove is arranged at one side of the positioning disc close to the chassis, the limiting groove and the limiting through hole are concentrically arranged, a third bolt mounting hole is arranged at the position of the positioning disc corresponding to the second bolt mounting hole, the second bolt mounting hole and the third bolt mounting hole are matched, one end of the positioning sleeve is fixed with a limiting ring which is connected in a limiting groove in a sliding way, the positioning sleeve is sleeved on the positioning mandrel, and the other end of the positioning sleeve passes through the limiting through hole, and the outer side of the positioning sleeve is provided with a tensioning through groove at an equal angle by taking the axis as the circle center.
Preferably, a buckle handle is arranged on the side wall of the chassis, and friction stripes are arranged in the buckle handle.
In any one of the above aspects, preferably, the plurality of clasps are provided.
In any of the above schemes, preferably, a positioning groove is formed in one side of the chassis by taking the center of the chassis as a circle center.
In any of the above schemes, preferably, a positioning hole is provided in the positioning groove.
In any of the above aspects, preferably, the first bolt mounting hole is provided with a first internal thread.
In any of the above aspects, preferably, a second built-in thread and a third built-in thread are respectively disposed in the second bolt mounting hole and the third bolt mounting hole.
In any of the above schemes, preferably, a positioning notch is formed on the outer side of the right end face of the positioning disk.
In any of the above aspects, preferably, a rubber cushion is provided in the positioning notch.
In any of the above schemes, preferably, the other end of the positioning sleeve is fixed with a bearing block, and the tensioning through groove extends to the right end face of the bearing block.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses the design of well location dabber, position sleeve and positioning disk can assemble the three, cup joints on the location dabber through the position sleeve, puts into waiting to process the part, pressurizes the one end of position sleeve through external hydraulic system, makes the position sleeve open through the position dabber to lock the part of waiting to process through the expansion of position sleeve, compare with traditional three-jaw anchor clamps, the precision is higher, overcome the adverse effect that manual clamping and operator's state factor caused the clamping precision; and the positioning core shaft, the positioning sleeve and the positioning disc are detachably assembled, so that the three-jaw fixture is easier to replace and overhaul compared with a traditional three-jaw fixture.
Drawings
Fig. 1 is a schematic view of the overall structure of a flange internal expansion type clamping device of the present invention;
FIG. 2 is a schematic structural view of a positioning mandrel;
FIG. 3 is a schematic structural view of the positioning sleeve;
fig. 4 is a schematic structural diagram of the positioning plate.
The reference numbers in the figures illustrate:
1. positioning the mandrel; 2. a positioning sleeve; 3. positioning a plate; 4. a chassis; 5. a first bolt mounting hole; 6. a second bolt mounting hole; 7. a limiting through hole; 8. a limiting groove; 9. a third bolt mounting hole; 10. a limiting ring; 11. a tensioning through slot; 12. buckling a handle; 13. positioning a groove; 14. positioning holes; 15. positioning the notch; 16. a rubber cushion; 17. and a pressure bearing block.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Example (b):
referring to fig. 1 to 4, a flange internal expansion type clamping device comprises a positioning mandrel 1, a positioning sleeve 2 and a positioning disc 3, wherein a base disc 4 is fixed on one side of the positioning mandrel 1, the cross section of the positioning mandrel 1 is wedge-shaped, a plurality of first bolt mounting holes 5 and second bolt mounting holes 6 are formed in the base disc 4 at equal angles by taking the center of the base disc as the center of a circle, a limiting through hole 7 is formed in the center of the positioning disc 3, one end of the positioning mandrel 1 penetrates through the limiting through hole 7, a limiting groove 8 is formed in one side of the positioning disc 3 close to the base disc 4, the limiting groove 8 and the limiting through hole 7 are concentrically arranged, a third bolt mounting hole 9 is formed in the position of the positioning disc 3 corresponding to the second bolt mounting hole 6, the second bolt mounting hole 6 and the third bolt mounting hole 9 are cooperatively arranged, a limiting ring 10 is fixed on one end of the positioning sleeve 2, the limiting ring 10 is slidably connected in the limiting groove 8, the positioning sleeve 2 is sleeved on the positioning mandrel 1, the other end of the positioning sleeve 2 penetrates through the limiting through hole 7, and the outer side of the positioning sleeve 2 is provided with a tensioning through groove 11 at an equal angle by taking the axis as the center of a circle.
In the embodiment, a buckle 12 is arranged on the side wall of the chassis 4, and friction stripes are arranged in the buckle 12; the gripping portion 12 is provided in plurality. The design of the handle 12 allows the chassis 4 to be manipulated by the handle 12 to facilitate movement of the device.
In this embodiment, a positioning groove 13 is formed on one side of the chassis 4 by taking the center thereof as a circle center; a positioning hole 14 is arranged in the positioning groove 13. The design of the positioning groove 13 and the positioning hole 14 can position the chassis 4, so that the chassis 4 is convenient to mount.
In this embodiment, a first built-in thread is provided in the first bolt mounting hole 5; and a second built-in thread and a third built-in thread are respectively arranged in the second bolt mounting hole 6 and the third bolt mounting hole 9. The first built-in thread, the second built-in thread and the third built-in thread can facilitate bolt connection.
In this embodiment, a positioning notch 15 is formed on the outer side of the right end face of the positioning plate 3; a rubber cushion 16 is arranged in the positioning gap 15. The design of the positioning notch 15 and the rubber cushion 16 can position the part to be processed, so that the device is conveniently connected with the part to be processed.
In this embodiment, a bearing block 17 is fixed at the other end of the positioning sleeve 2, and the tensioning through slot 11 extends to the right end face of the bearing block 17. The design of the bearing block 17 can facilitate an external hydraulic system to pressurize the positioning sleeve 2, increase the bearing area of the positioning sleeve 2 and prevent the hydraulic system from damaging the positioning sleeve 2.
The working process of the utility model is as follows:
an operator can assemble the positioning mandrel 1, the positioning sleeve 2 and the positioning disc 3, the positioning mandrel 1 is connected with the positioning sleeve 2 through the positioning sleeve, the positioning sleeve is placed into a part to be machined, one end of the positioning sleeve 2 is pressurized through an external hydraulic system, the positioning sleeve 2 is expanded through the positioning mandrel 1, and the part to be machined is locked through expansion of the positioning sleeve 2; and positioning core axle 1, position sleeve 2 and positioning disk 3 adopt the equipment detachable design, compare in traditional three-jaw anchor clamps, change more easily and overhaul.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a flange internal expanding formula clamping device which characterized in that: comprises a positioning core shaft, a positioning sleeve and a positioning disc, wherein a chassis is fixed on one side of the positioning core shaft, the cross section of the positioning core shaft is in a wedge shape, a plurality of first bolt mounting holes and second bolt mounting holes are arranged on the chassis at equal angles by taking the center of the chassis as the circle center, a limiting through hole is arranged at the central position of the positioning disc, one end of the positioning core shaft passes through the limiting through hole, a limiting groove is arranged at one side of the positioning disc close to the chassis, the limiting groove and the limiting through hole are concentrically arranged, a third bolt mounting hole is arranged at the position of the positioning disc corresponding to the second bolt mounting hole, the second bolt mounting hole and the third bolt mounting hole are matched, one end of the positioning sleeve is fixed with a limiting ring which is connected in a limiting groove in a sliding way, the positioning sleeve is sleeved on the positioning mandrel, and the other end of the positioning sleeve passes through the limiting through hole, and the outer side of the positioning sleeve is provided with a tensioning through groove at an equal angle by taking the axis as the circle center.
2. The flange internal expanding clamping device as claimed in claim 1, wherein: and a buckle is arranged on the side wall of the chassis, and friction stripes are arranged in the buckle.
3. A flange internal expanding clamp device as claimed in claim 2, wherein: the attacker is provided with a plurality of.
4. The flange internal expanding clamping device as claimed in claim 1, wherein: one side of the chassis is provided with a positioning groove by taking the center as the circle center.
5. The flange internal expanding clamping device as claimed in claim 4, wherein: and a positioning hole is formed in the positioning groove.
6. The flange internal expanding clamping device as claimed in claim 1, wherein: and a first built-in thread is arranged in the first bolt mounting hole.
7. The flange internal expanding clamping device as claimed in claim 1, wherein: and a second built-in thread and a third built-in thread are respectively arranged in the second bolt mounting hole and the third bolt mounting hole.
8. The flange internal expanding clamping device as claimed in claim 1, wherein: and a positioning notch is formed in the outer side of the right end face of the positioning disc.
9. The flange internal expanding clamping device as claimed in claim 8, wherein: and a rubber cushion is arranged in the positioning notch.
10. The flange internal expanding clamping device as claimed in claim 1, wherein: the other end of position sleeve is fixed with the bearing block, just the tensioning leads to the groove and extends to the right-hand member face of bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122728718.0U CN215998755U (en) | 2021-11-09 | 2021-11-09 | Flange internal expansion type clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122728718.0U CN215998755U (en) | 2021-11-09 | 2021-11-09 | Flange internal expansion type clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215998755U true CN215998755U (en) | 2022-03-11 |
Family
ID=80586623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122728718.0U Active CN215998755U (en) | 2021-11-09 | 2021-11-09 | Flange internal expansion type clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215998755U (en) |
-
2021
- 2021-11-09 CN CN202122728718.0U patent/CN215998755U/en active Active
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