CN210678444U - Multi-section inner diameter product inner support clamp - Google Patents
Multi-section inner diameter product inner support clamp Download PDFInfo
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- CN210678444U CN210678444U CN201921546202.0U CN201921546202U CN210678444U CN 210678444 U CN210678444 U CN 210678444U CN 201921546202 U CN201921546202 U CN 201921546202U CN 210678444 U CN210678444 U CN 210678444U
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- expansion core
- stress
- internal thread
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Abstract
The utility model discloses a multistage internal diameter product internal stay anchor clamps. Relates to the technical field of clamps, and aims to solve the problems of long development time and complex clamp mechanism of the clamp of the existing product with multiple sections of inner diameters. The technical scheme is that the expansion core comprises an expansion core and a pressure bolt penetrating through the expansion core, the pressure bolt comprises an external thread part, a connecting part, a stress application part and an inner hexagonal part arranged in the stress application part, the expansion core comprises an internal thread part matched with the external thread part, a clamping part arranged on the outer side of the internal thread part in a surrounding manner, a stress part matched with the stress application part and an expansion part arranged on the outer side of the stress part in a surrounding manner and used for internally supporting and clamping a product, the internal thread part is arranged on the inner wall of one end of the expansion core, and the stress part is arranged at one end far away from the internal thread part. The pressure bolt is screwed into the expansion core, the stress part applies pressure through the stress application part of the pressure bolt, so that the expansion part expands along the radial direction of the expansion core, the purpose of clamping a product by the inner support is achieved, and the clamp is simple in structure and convenient to manufacture.
Description
Technical Field
The utility model belongs to the technical field of the technique of anchor clamps and specifically relates to a multistage internal diameter product internal stay anchor clamps are related to.
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. The conventional machining fixture is mostly a three-jaw chuck (more lathes are used), flat tongs, a pressing block and the like.
Referring to fig. 1, a multi-section inner diameter product, a product body 3 has a plurality of sections of inner diameter and outer diameter to be processed. The product clamp clamped through the inner hole in the prior art is usually designed and processed through a special clamp manufacturing factory, an oil pressure or air pressure expansion inner support is used, the clamp mechanism is complex, and the use condition is limited.
The above prior art solutions have the following drawbacks: the clamp for the multi-section inner diameter product needs to be customized, the development time is long, the clamp mechanism is complex, and the use conditions are limited, so that the clamp needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multistage internal diameter product internal stay anchor clamps, it has simple structure, the convenient effect of preparation.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a multistage internal diameter product internal stay anchor clamps, includes the inflation core and with the coaxial setting of inflation core and wear to establish the pressure bolt in the inflation core, the pressure bolt includes external screw thread portion, connecting portion, afterburning portion that set gradually along its axial and sets up the interior hexagonal portion in afterburning portion, the inflation core include with external screw thread portion complex internal thread portion, encircle set up in the clamping part of the confession lathe jack catch centre gripping in the internal thread portion outside, with afterburning portion complex atress portion and encircle set up in the expansion portion that is used for the internal stay clamping product in the atress portion outside, internal thread portion sets up on the inner wall of inflation core one end, the atress portion sets up in the one end of keeping away from internal thread portion.
The utility model discloses further set up to: the one end that the inflation portion is close to internal thread portion is inwards inclined and is provided with the conical surface, be provided with a plurality of recesses along its circumference equidistance interval on the side of inflation portion.
The utility model discloses further set up to: and the opposite inner walls of each groove are provided with communicated through holes.
The utility model discloses further set up to: the through hole is arranged at one end of the conical surface close to the internal thread part.
The utility model discloses further set up to: and a supporting part is arranged between the clamping part and the expansion part.
The utility model discloses further set up to: the outer diameter of the supporting part is smaller than that of the expansion part, and a positioning part is formed at the transition connection part of the supporting part and the expansion part.
To sum up, the utility model discloses a beneficial technological effect does:
1. the expansion core and the pressure bolt are arranged, the pressure bolt is screwed into the expansion core, the stress part applies pressure through the stress part of the pressure bolt, so that the expansion part expands along the radial direction of the expansion core, the purpose of clamping a product by an inner support is achieved, and the clamp is simple in structure and convenient to manufacture;
2. through the setting of supporting part, do not prop tight internal diameter section to the product and play a supporting role, guarantee that the product reduces unsettled the unstability that rocks and cause in the course of working, improve the stability in the use.
Drawings
FIG. 1 is a schematic cross-sectional view of a multi-diameter product;
FIG. 2 is a schematic view showing the overall structure of an expansion core;
FIG. 3 is a schematic view showing a sectional structure of an expanded core;
FIG. 4 is a schematic cross-sectional view of a product mounted on a jig;
fig. 5 is a schematic sectional view for showing the pressure bolt.
In the figure, 1, an expansion core; 11. a force receiving portion; 12. an expansion part; 13. a support portion; 14. a positioning part; 15. an internal thread portion; 16. a clamping portion; 2. a pressure bolt; 21. an inner hex portion; 22. a force application part; 23. a connecting portion; 24. an external threaded portion; 3. a product body; 4. a machine tool jaw; 5. a conical surface; 6. a groove; 7. and a through hole.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Refer to fig. 2 and fig. 4, for the utility model discloses a multistage internal diameter product internal stay anchor clamps, including the expansion core 1 and with the coaxial setting of expansion core 1 and wear to establish the pressure bolt 2 in the expansion core 1, the expansion core 1 is cylindricly. The expansion core 1 is internally provided with a central hole which penetrates through two opposite end surfaces of the expansion core 1, and the pressure bolt 2 is arranged in the central hole in a penetrating way.
Referring to fig. 4 and 5, the pressure bolt 2 includes an external thread portion 24, a connecting portion 23, a biasing portion 22, and an internal hexagonal portion 21 provided in the biasing portion 22, which are sequentially provided along an axial direction thereof, the external thread portion 24, the connecting portion 23, and the biasing portion 22 are integrally formed, and the biasing portion 22 is an inclined surface inclined outward. The internal hex portion 21 is adapted to a hex driver.
Referring to fig. 2 and 3, the expansion core 1 includes an internal thread portion 15 engaged with an external thread portion 24 (shown in fig. 5), and a clamping portion 16 provided around the external side of the internal thread portion 15, the internal thread portion 15 being located on the inner wall of the center hole of the expansion core 1, and the clamping portion 16 being clamped by the machine jaws 4 (shown in fig. 4). In the use process of the clamp, the clamp has no requirement on a machine table, the common three claws can clamp, and the whole clamping, debugging and use process are very simple. The female screw portion 15 is engaged with the male screw portion of the pressure bolt 2, and the pressure applied by the pressure bolt 2 is applied to the expansion core 1 in a stable manner.
Referring to fig. 2 and 3, the expansion core 1 further comprises a force receiving portion 11 matched with the force applying portion 22 and an expansion portion 12 arranged around the outer side of the force receiving portion 11 and used for clamping the product by internal bracing, wherein the force receiving portion 11 is located on the inner wall of the central hole of the expansion core 1 and is arranged at one end far away from the internal threaded portion 15. The force receiving portion 11 is an inclined surface and is engaged with the urging portion 22. The pressure bolt 2 is screwed into the expansion core 1 such that the urging portion 22 abuts against the force receiving portion 11, and the force receiving portion 11 applies pressure via the urging portion 22 of the pressure bolt 2. The supporting part 13 is connected between the clamping part 16 and the expansion part 12, and the outer diameter of the supporting part 13 is smaller than that of the expansion part 12, so that the positioning part 14 is formed at the transition joint of the supporting part 13 and the expansion part 12. After the product is sleeved outside the expansion core 1, the supporting part 13 plays a role in supporting the inner diameter section of the product which is not internally supported and clamped, and the instability caused by suspension shaking of the product in the machining process is reduced.
Referring to fig. 2 and 3, in order to facilitate the expansion of the expansion part 12 in the radial direction of the expansion core 1, one end of the expansion part 12 near the internal thread part 15 is provided with a tapered surface 5 inclined inwards, and a plurality of grooves 6 are provided on the circumferential side surface of the expansion part 12 at equal intervals in the circumferential direction thereof. In this embodiment, six grooves 6 are provided at equal intervals. The groove bottom of one end of each groove 6 close to the supporting part 13 is provided with a through hole 7, and the through hole 7 is just positioned at the neck part (i.e. the lowest part of the conical surface 5) to further facilitate the expansion or contraction of the expansion part 12 along the radial direction of the expansion core 1.
The implementation principle of the embodiment is as follows: the clamping part 16 of the expansion core 1 is put into the jaw 4 of the machine tool and clamped. The processed part of the inner hole of the product is sleeved into the expansion part 12 and the supporting part 13 of the expansion core 1, and the end surface of the product is attached to the positioning part 14.
Then the pressure bolt 2 is inserted into the central hole of the expansion core 1, the hexagonal screwdriver is inserted into the inner hexagonal part 21 of the pressure bolt 2, the hexagonal screwdriver is rotated to screw the pressure bolt 2 in, and the inner threaded part 15 of the expansion core 1 is matched and connected with the outer threaded part of the pressure bolt 2. At the same time, the urging portion 22 of the pressure bolt 2 abuts against the force receiving portion 11 of the expansion core 1, and the force receiving portion 11 applies pressure via the urging portion 22 of the pressure bolt 2, so that the expansion portion 12 expands in the radial direction of the expansion core 1, and the product is tightened and processed. After the processing is finished, the pressure bolt 2 is loosened by a hexagonal screwdriver, the expansion part 12 is contracted along the radial direction, the product is loosened, and the product is taken down.
The clamp has the advantages of simple structure, convenient manufacture, short manufacture time and low processing cost. By using the clamp, the residual inner diameter part and the residual outer diameter part which are not processed of the product can be completely processed, so that the content which can be processed only by two processes can be completed by one process, the process is optimized, and the production efficiency is improved.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a multistage internal diameter product internal stay anchor clamps which characterized in that: comprises an expansion core (1) and a pressure bolt (2) which is coaxially arranged with the expansion core (1) and is arranged in the expansion core (1) in a penetrating way, the pressure bolt (2) comprises an external thread part (24), a connecting part (23), a force application part (22) and an internal hexagonal part (21) arranged in the force application part (22) which are sequentially arranged along the axial direction of the pressure bolt, the expansion core (1) comprises an internal thread part (15) matched with the external thread part (24), a clamping part (16) which is arranged around the external side of the internal thread part (15) and is used for clamping the clamping jaw (4) of the machine tool, a stress part (11) matched with the stress part (22) and an expansion part (12) which is arranged around the external side of the stress part (11) and is used for internally supporting and clamping a product, the internal thread part (15) is arranged on the inner wall of one end of the expansion core (1), the stress part (11) is arranged at one end far away from the internal thread part (15).
2. The multi-section inner diameter product internal bracing clamp of claim 1, wherein: one end of the expansion part (12) close to the internal thread part (15) is inwards obliquely provided with a conical surface (5), and a plurality of grooves (6) are arranged on the side surface of the expansion part (12) at intervals along the circumferential direction of the expansion part at equal intervals.
3. The multi-section inner diameter product internal bracing fixture of claim 2, wherein: and the opposite inner walls of each groove (6) are provided with communicated through holes (7).
4. The multi-section inner diameter product internal bracing fixture of claim 3, wherein: the through hole (7) is arranged at one end of the conical surface (5) close to the internal thread part (15).
5. The multi-section inner diameter product internal bracing clamp of claim 1, wherein: a supporting part (13) is arranged between the clamping part (16) and the expansion part (12).
6. The multi-section inner diameter product internal bracing fixture of claim 5, wherein: the outer diameter of the supporting part (13) is smaller than that of the expansion part (12), and a positioning part (14) is formed at the transition connection part of the supporting part (13) and the expansion part (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546202.0U CN210678444U (en) | 2019-09-18 | 2019-09-18 | Multi-section inner diameter product inner support clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546202.0U CN210678444U (en) | 2019-09-18 | 2019-09-18 | Multi-section inner diameter product inner support clamp |
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| Publication Number | Publication Date |
|---|---|
| CN210678444U true CN210678444U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921546202.0U Active CN210678444U (en) | 2019-09-18 | 2019-09-18 | Multi-section inner diameter product inner support clamp |
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| CN (1) | CN210678444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805139A (en) * | 2020-07-13 | 2020-10-23 | 孙君 | Clamping and positioning device for welding |
| CN111842011A (en) * | 2020-06-30 | 2020-10-30 | 宁波凯耀电器制造有限公司 | Glass lamp cup encapsulating leak protection frock |
-
2019
- 2019-09-18 CN CN201921546202.0U patent/CN210678444U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842011A (en) * | 2020-06-30 | 2020-10-30 | 宁波凯耀电器制造有限公司 | Glass lamp cup encapsulating leak protection frock |
| CN111842011B (en) * | 2020-06-30 | 2021-08-03 | 宁波凯耀电器制造有限公司 | Glass lamp cup encapsulating leak protection frock |
| CN111805139A (en) * | 2020-07-13 | 2020-10-23 | 孙君 | Clamping and positioning device for welding |
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