CN211939102U - O-shaped rubber ring centering and expanding clamp for thin-wall insulating pipe - Google Patents
O-shaped rubber ring centering and expanding clamp for thin-wall insulating pipe Download PDFInfo
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- CN211939102U CN211939102U CN202020348504.3U CN202020348504U CN211939102U CN 211939102 U CN211939102 U CN 211939102U CN 202020348504 U CN202020348504 U CN 202020348504U CN 211939102 U CN211939102 U CN 211939102U
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Abstract
The utility model belongs to the technical field of anchor clamps, concretely relates to O type rubber circle centering expansion anchor clamps for thin wall insulating tube, which comprises a mandrel, the spindle has set gradually left bead and right bead, the left side of left side bead is provided with left side and props the circle, the right side of right side bead is provided with right side and props the circle, and the periphery of left side circle and right side props the circle all overlaps and has a plurality of O type rubber circle, the left side of left side circle is provided with left side and compresses tightly the lid, the right side of right side circle is provided with the right side and compresses tightly the lid, the left side that the lid was compressed tightly on a left side is provided with the left nut that is used for the pretension, the right side that the lid was. Anchor clamps have low in production cost, the cycle is short, simple structure, the convenient advantage of clamping, do not need too big clamp force just can realize thin wall spare processing, location and press from both sides tightly, can guarantee higher axiality, depth of parallelism tolerance, also can be better protection insulating tube inner surface, product machining efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of anchor clamps, concretely relates to O type rubber ring centering tight anchor clamps that expand for thin wall insulating tube.
Background
The processing of thin-wall parts has been a relatively troublesome problem in turning for a long time, and the main reasons are that the thin-wall parts are poor in rigidity and strength and easy to deform in processing, so that the form and position tolerance error of the processed parts is increased, the processing qualification rate of the parts is generally low, and the processing quality of the parts cannot be guaranteed.
The method for processing the thin-wall part in the production process comprises a plurality of methods, such as an elastic chuck, a liquid-plastic expansion sleeve and the like, but the similar clamps have complicated structures and are easy to scratch the inner surface of the insulating tube, but the method is suitable for thin-wall insulating tubes and is suitable for mass production with strict form and position tolerances of two ends of the insulating tube.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tight anchor clamps of O type rubber ring centering expand for thin wall insulating tube, the anchor clamps structure of solving among the prior art is complicated to the problem of the internal surface of still easy fish tail insulating tube.
The utility model discloses an implementation process as follows:
the utility model provides a O type rubber circle centering bloated tight anchor clamps for thin wall insulating tube, includes the dabber, the spindle has set gradually left bead and right bead, the left side of left bead is provided with left side and props the circle, the right side of right bead is provided with right side and props the circle, and the periphery that props circle and right side and props the circle all overlaps and has a plurality of O type rubber circle, the left side that props the circle on a left side is provided with left side and compresses tightly the lid, the right side that props the circle on the right side is provided with right side and compresses tightly the lid, the left side that compresses tightly the lid on a left side is provided with the left nut that is used for the pretension.
Further, an O-shaped rubber ring centering and expanding clamp for the thin-wall insulating tube further comprises a left bushing and a right bushing, the left bushing is sleeved on the mandrel and located between the left pressing cover and the left nut, the right bushing is sleeved on the mandrel and located between the right pressing cover and the right nut, the inner diameters of the left bushing and the right bushing are larger than the outer diameter of the mandrel, and the left bushing and the right bushing can slide on the mandrel.
Furthermore, the right-hand member periphery of the left side lock ring is provided with a first limiting convex ring for limiting the O-shaped rubber ring, and the left-hand member periphery of the right side lock ring is provided with a second limiting convex ring for limiting the O-shaped rubber ring.
Furthermore, the right end part of the left pressing cover is sleeved on the left support ring, the left pressing cover can slide on the left support ring, and a plurality of O-shaped rubber rings are arranged between the first limiting bulge ring and the right end of the left pressing cover; the left end part of the right pressing cover is sleeved on the right support ring, the right pressing cover can slide on the right support ring, and a plurality of O-shaped rubber rings are arranged between the second limiting convex ring and the left end of the right pressing cover.
Furthermore, the centers of the left support ring and the right support ring are provided with through holes used for penetrating through the mandrel, the left support ring is in transition fit with the mandrel, and the right support ring is in transition fit with the mandrel.
Furthermore, a plurality of O-shaped rubber rings are arranged in parallel, and the number of the O-shaped rubber rings is adjusted according to the condition of parts and the processing requirement.
Further, the inside wall of left nut and right nut all is provided with the internal thread, the left side and the right side of dabber all be provided with internal thread assorted external screw thread, left nut, right nut and dabber are threaded connection.
The utility model discloses an actively the effect:
a O type rubber ring centering tight anchor clamps that expand for thin wall insulating tube, low in production cost, cycle are short, anchor clamps simple structure, and the clamping is convenient, does not need too big clamp force just to realize thin wall spare processing, location and clamp tightly, can guarantee higher axiality, depth of parallelism tolerance, protection insulating tube inner surface that also can be better, and product machining efficiency is high.
Drawings
Fig. 1 is a perspective view of an O-shaped rubber ring centering and expanding clamp for a thin-walled insulating tube according to the present invention;
fig. 2 is a front view of the O-shaped rubber ring centering and expanding clamp for the thin-walled insulating tube of the present invention;
fig. 3 is a schematic cross-sectional view of the O-shaped rubber ring centering and expanding clamp for the thin-walled insulating tube according to the present invention;
fig. 4 is an exploded view of the O-shaped rubber ring centering and expanding clamp for the thin-walled insulating tube according to the present invention;
fig. 5 is a perspective view of the mandrel of the present invention;
fig. 6 is a front view of the mandrel of the present invention;
fig. 7 is an appearance diagram of the O-shaped rubber ring centering and expanding clamp for the thin-wall insulating tube in the use process of the present invention;
fig. 8 is a front view of the O-shaped rubber ring centering and expanding clamp for the thin-walled insulating tube of the present invention in use;
fig. 9 is a schematic cross-sectional view of the O-shaped rubber ring centering and expanding clamp for the thin-walled insulating tube according to the present invention in use;
in the figure, 1 mandrel, 11 left rib, 12 right rib, 21 left support ring, 211 first limit bulge ring, 22 right support ring, 221 second limit bulge ring, 3O-shaped rubber ring, 41 left compression cover, 42 right compression cover, 51 left nut, 52 right nut, 61 left bush, 62 right bush and 7 thin-wall insulating tube.
Detailed Description
The present invention will be further described with reference to the following examples.
In order to solve the anchor clamps structure among the prior art complicated to the problem of the internal surface of still easy fish tail insulating tube, the utility model provides an O type rubber ring centering tight anchor clamps that expand for thin wall insulating tube.
This embodiment O type rubber circle centering bloated tight anchor clamps for thin wall insulating tube, see fig. 1-fig. 6, including dabber 1, dabber 1 is last to have set gradually left bead 11 and right bead 12, the left side of left bead 11 is provided with left supporting ring 21, the right side of right bead 12 is provided with right supporting ring 22, and the periphery of left supporting ring 21 and right supporting ring 22 all overlaps and has a plurality of O type rubber circle 3, the left side of left supporting ring 21 is provided with left compressing tightly lid 41, the right side of right supporting ring 22 is provided with right compressing tightly lid 42, the left side that compresses tightly lid 41 on a left side is provided with left nut 51 that is used for the pretension, the right side that compresses tightly lid 42 on the right side is provided with right nut 52 that is used for the pretension. The left bushing 61 is sleeved on the mandrel 1 and located between the left pressing cover 41 and the left nut 51, the right bushing 62 is sleeved on the mandrel 1 and located between the right pressing cover 42 and the right nut 52, the inner diameters of the left bushing 61 and the right bushing 62 are larger than the outer diameter of the mandrel 1, and the left bushing 61 and the right bushing 62 can slide on the mandrel 1. The right-hand member periphery of the left side support ring 21 is provided with a first limit bulge loop 211 used for limiting the O-shaped rubber ring 3, and the left-hand member periphery of the right side support ring 22 is provided with a second limit bulge loop 221 used for limiting the O-shaped rubber ring 3. The right end part of the left pressing cover 41 is sleeved on the left supporting ring 21, the left pressing cover 41 can slide on the left supporting ring 21, and a plurality of O-shaped rubber rings 3 are arranged between the first limiting convex ring 211 and the right end of the left pressing cover 41; the left end of the right pressing cover 42 is sleeved on the right supporting ring 22, the right pressing cover 42 can slide on the right supporting ring 22, and a plurality of O-shaped rubber rings 3 are arranged between the second limiting convex ring 221 and the left end of the right pressing cover 42. The center of the left support ring 21 and the center of the right support ring 22 are both provided with through holes for penetrating through the mandrel 1, the left support ring 21 is in transition fit with the mandrel 1, and the right support ring 22 is in transition fit with the mandrel 1. A plurality of O-shaped rubber rings 3 are arranged in parallel, and the number of the O-shaped rubber rings 3 is adjusted according to the condition of parts and the processing requirement. The inside wall of left nut 51 and right nut 52 all is provided with the internal thread, the left side and the right side of dabber 1 all be provided with internal thread assorted external screw thread, left nut 51, right nut 52 and dabber 1 are threaded connection.
The use method of the O-shaped rubber ring centering and tensioning clamp for the thin-wall insulating tube in the embodiment comprises the following steps:
the O-shaped rubber ring centering and expanding clamp for the thin-wall insulating tube is assembled according to the structure of the embodiment 1, when in use, the thin-wall insulating tube 7 is sleeved on the assembled O-shaped rubber ring centering and expanding clamp for the thin-wall insulating tube, as shown in fig. 7-9, wherein the left convex rib 11 on the right side of the left supporting ring 21 can prevent the left supporting ring 21 from sliding rightwards, and the right convex rib 12 on the left side of the right supporting ring 22 can prevent the right supporting ring 22 from sliding leftwards. And then, a left nut 51 and a right nut 52 on the mandrel 1 are pre-tightened towards the middle part of the mandrel 1 by a wrench, the pre-tightening force of the left nut 51 is transmitted to the O-shaped rubber ring 3 on the left supporting ring 21 through the left bushing 61 and the left pressing cover 41 in sequence, the O-shaped rubber ring 3 generates radial uniform deformation after being subjected to pressure, so that the thin-wall insulating tube 7 is expanded, the pre-tightening force of the right nut 52 is transmitted to the O-shaped rubber ring 3 on the right supporting ring 22 through the right bushing 62 and the right pressing cover 42 in sequence, and the O-shaped rubber ring 3 generates radial uniform deformation after being subjected to pressure, so that the thin-wall insulating tube 7 is expanded. And finally, the clamp which is sleeved with the thin-wall insulating tube 7 and assembled is arranged on a lathe, the clamping mode of the clamp on the lathe is that the left end is clamped by three claws, and the tail end is propped by a tailstock, and the clamping mode belongs to the prior art and is not stated in the application.
In this embodiment, the size of the two-end expansion force of the O-shaped rubber ring centering expansion fixture for the thin-wall insulating tube, the number of the O-shaped rubber rings 3, the distance between the left rib 11 and the right rib 12, and the size of each part need to be adjusted according to the condition of the part and the processing requirements.
Embodiment 2 is not provided with the left bush 61 and the right bush 62
This embodiment O type rubber circle centering bloated tight anchor clamps for thin wall insulating tube, including dabber 1, dabber 1 is last to have set gradually left bead 11 and right bead 12, the left side of left side bead 11 is provided with left side and props circle 21, the right side of right side bead 12 is provided with right side and props circle 22, and the periphery that props circle 21 and right side and props circle 22 all overlaps and has a plurality of O type rubber circle 3, the left side that props circle 21 on a left side is provided with left side and compresses tightly lid 41, the right side that props circle 22 on the right side is provided with right side and compresses tightly lid 42, the left side that compresses tightly lid 41 on a left side is provided with left nut 51 that is used for the pretension, the right side that compresses tightly lid 42 on. The right-hand member periphery of the left side support ring 21 is provided with a first limit bulge loop 211 used for limiting the O-shaped rubber ring 3, and the left-hand member periphery of the right side support ring 22 is provided with a second limit bulge loop 221 used for limiting the O-shaped rubber ring 3. The right end part of the left pressing cover 41 is sleeved on the left supporting ring 21, the left pressing cover 41 can slide on the left supporting ring 21, and a plurality of O-shaped rubber rings 3 are arranged between the first limiting convex ring 211 and the right end of the left pressing cover 41; the left end of the right pressing cover 42 is sleeved on the right supporting ring 22, the right pressing cover 42 can slide on the right supporting ring 22, and a plurality of O-shaped rubber rings 3 are arranged between the second limiting convex ring 221 and the left end of the right pressing cover 42. The center of the left support ring 21 and the center of the right support ring 22 are both provided with through holes for penetrating through the mandrel 1, the left support ring 21 is in transition fit with the mandrel 1, and the right support ring 22 is in transition fit with the mandrel 1. A plurality of O-shaped rubber rings 3 are arranged in parallel, and the number of the O-shaped rubber rings 3 is adjusted according to the condition of parts and the processing requirement. The inside wall of left nut 51 and right nut 52 all is provided with the internal thread, the left side and the right side of dabber 1 all be provided with internal thread assorted external screw thread, left nut 51, right nut 52 and dabber 1 are threaded connection.
Example 3
This embodiment O type rubber circle centering bloated tight anchor clamps for thin wall insulating tube, including dabber 1, dabber 1 is last to have set gradually left bead 11 and right bead 12, the left side of left side bead 11 is provided with left side and props circle 21, the right side of right side bead 12 is provided with right side and props circle 22, and the periphery that props circle 21 and right side and props circle 22 all overlaps and has a plurality of O type rubber circle 3, the left side that props circle 21 on a left side is provided with left side and compresses tightly lid 41, the right side that props circle 22 on the right side is provided with right side and compresses tightly lid 42, the left side that compresses tightly lid 41 on a left side is provided with left nut 51 that is used for the pretension, the right side that compresses tightly lid 42 on.
A O type rubber ring centering tight anchor clamps that expand for thin wall insulating tube is in the use, and thin wall insulating tube 7 covers is in the periphery of O type rubber ring centering tight anchor clamps that expand. The outer diameter of the first limiting convex ring 211 at the right end of the left supporting ring 21 is smaller than the inner diameter of the thin-wall insulating tube 7, and the outer diameter of the second limiting convex ring 221 at the left end of the right supporting ring 22 is smaller than the inner diameter of the thin-wall insulating tube 7; the size of the inner hole of the thin-wall insulating tube 7 is in clearance fit with the outer diameter of the O-shaped rubber ring 3 by 0.3-0.5 mm; the outer diameter of the left compression cover 41 is smaller than the inner diameter of the thin-walled insulating tube 7, and the outer diameter of the right compression cover 42 is smaller than the inner diameter of the thin-walled insulating tube 7.
Use a thin wall insulating tube 7 product that is used for O type rubber ring centering of thin wall insulating tube to expand tight anchor clamps processing can guarantee that the terminal surface and the disposable clamping of excircle at 7 both ends of thin wall insulating tube are accomplished, can guarantee higher axiality tolerance, generally reach 0.05 mm. Meanwhile, the high parallelism tolerance of the end faces at the two ends can be ensured, and the parallelism tolerance generally reaches 0.05 mm. And because of the characteristic of the material of the thin-wall insulating tube 7, the O-shaped rubber ring 3 is adopted for expansion and has a better protection effect on the inner surface of the thin-wall insulating tube 7.
Transition fit means in the cooperation of hole and axle, the tolerance zone overlap of hole and axle each other, and one of them pair of hole and axle are joined in marriage wantonly, probably have the clearance, also can have the cooperation of interference. The clearance fit, also known as a loose fit or loose fit, refers to a fit with a clearance (including a fit with a minimum clearance equal to zero) in which the tolerance band of the bore is completely above the tolerance band of the shaft, i.e., Y ≧ 0.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of conceiving, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (7)
1. The utility model provides a tight anchor clamps of O type rubber ring centering swell for thin wall insulating tube which characterized in that: including dabber (1), left bead (11) and right bead (12) have set gradually on dabber (1), the left side of left side bead (11) is provided with a left side and props circle (21), the right side of right bead (12) is provided with right side and props circle (22), and the periphery that props circle (21) and right side and props circle (22) all overlaps and has a plurality of O type rubber circle (3), the left side that props circle (21) on a left side is provided with left side and compresses tightly lid (41), the right side that props circle (22) on the right side is provided with right side and compresses tightly lid (42), the left side that compresses tightly lid (41) on a left side is provided with left nut (51) that are used for the pretension, the right side that compresses tightly lid (42) on the right.
2. The O-ring centering and expanding clamp for the thin-walled insulating tube according to claim 1, wherein: still include left bush (61) and right bush (62), left side bush (61) overlaps on dabber (1), is located that a left side compresses tightly between lid (41) and left nut (51), right side bush (62) overlaps on dabber (1), is located that a right side compresses tightly between lid (42) and right nut (52), the internal diameter of left side bush (61) and right bush (62) all is greater than the external diameter of dabber (1), and left side bush (61) and right bush (62) all can slide on dabber (1).
3. The O-ring centering and expanding clamp for the thin-walled insulating tube according to claim 1 or 2, wherein: the right-hand member periphery of propping circle (21) on a left side is provided with first spacing bulge loop (211) that are used for spacing O type rubber circle (3), the left end periphery of propping circle (22) on a right side is provided with second spacing bulge loop (221) that are used for spacing O type rubber circle (3).
4. The O-shaped rubber ring centering and expanding clamp for the thin-walled insulating tube as claimed in claim 3, wherein: the right end part of the left pressing cover (41) is sleeved on the left supporting ring (21), the left pressing cover (41) can slide on the left supporting ring (21), and a plurality of O-shaped rubber rings (3) are arranged between the first limiting convex ring (211) and the right end of the left pressing cover (41); the left end part of the right pressing cover (42) is sleeved on the right supporting ring (22), the right pressing cover (42) can slide on the right supporting ring (22), and a plurality of O-shaped rubber rings (3) are arranged between the second limiting convex ring (221) and the left end of the right pressing cover (42).
5. The O-ring centering and expanding clamp for the thin-walled insulating tube according to claim 1 or 2, wherein: the centers of the left support ring (21) and the right support ring (22) are provided with through holes used for penetrating through the mandrel (1), the left support ring (21) is in transition fit with the mandrel (1), and the right support ring (22) is in transition fit with the mandrel (1).
6. The O-ring centering and expanding clamp for the thin-walled insulating tube according to claim 1 or 2, wherein: a plurality of O-shaped rubber rings (3) are arranged in parallel, and the number of the O-shaped rubber rings (3) is adjusted according to the condition of parts and the processing requirement.
7. The O-ring centering and expanding clamp for the thin-walled insulating tube according to claim 1 or 2, wherein: the inside wall of left nut (51) and right nut (52) all is provided with the internal thread, the left side and the right side of dabber (1) all be provided with internal thread assorted external screw thread, left nut (51), right nut (52) are threaded connection with dabber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020348504.3U CN211939102U (en) | 2020-03-19 | 2020-03-19 | O-shaped rubber ring centering and expanding clamp for thin-wall insulating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020348504.3U CN211939102U (en) | 2020-03-19 | 2020-03-19 | O-shaped rubber ring centering and expanding clamp for thin-wall insulating pipe |
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| Publication Number | Publication Date |
|---|---|
| CN211939102U true CN211939102U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020348504.3U Active CN211939102U (en) | 2020-03-19 | 2020-03-19 | O-shaped rubber ring centering and expanding clamp for thin-wall insulating pipe |
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| CN (1) | CN211939102U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131506A (en) * | 2021-11-29 | 2022-03-04 | 广州宏晟光电科技股份有限公司 | Clamping device and processing equipment for regular polygonal prism optical fiber cladding glass tube |
-
2020
- 2020-03-19 CN CN202020348504.3U patent/CN211939102U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131506A (en) * | 2021-11-29 | 2022-03-04 | 广州宏晟光电科技股份有限公司 | Clamping device and processing equipment for regular polygonal prism optical fiber cladding glass tube |
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