CN210731043U - Processing thin wall cover excircle is with kaifeng sleeve - Google Patents
Processing thin wall cover excircle is with kaifeng sleeve Download PDFInfo
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- CN210731043U CN210731043U CN201921722445.5U CN201921722445U CN210731043U CN 210731043 U CN210731043 U CN 210731043U CN 201921722445 U CN201921722445 U CN 201921722445U CN 210731043 U CN210731043 U CN 210731043U
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Abstract
The utility model discloses an unsealing sleeve for processing the excircle of a thin-wall sleeve, which belongs to the field of thin-wall sleeve processing and comprises a three-jaw chuck and a mandrel, wherein clamping plates are arranged on the surface of the three-jaw chuck at equal intervals, a pressure-resistant layer is fixedly arranged on the surface of each clamping plate, a friction layer is fixedly arranged on the surface of the pressure-resistant layer, the friction layer is in sliding connection with the mandrel, an expansion sleeve is slidably arranged on the surface of the mandrel, a round hole is arranged on the end surface of the expansion sleeve, the round hole is in sliding connection with the end surface of the mandrel, the expansion sleeve axially moves towards the three-jaw chuck through the rotation of a locking nut, and an expansion valve is uniformly expanded to clamp the thin-wall sleeve, so that the thin-wall sleeve is uniformly stressed and not deformed, the coaxiality of an inner hole and the excircle is ensured, the pressure resistance and the friction force on the surface, and endows the expansion valve with the surface deformation capability, and avoids the expansion valve from causing loss to the inner wall of the thin-wall sleeve.
Description
Technical Field
The utility model relates to a thin wall cover processing field, more specifically say, relate to a processing thin wall cover excircle is with kaifeng sleeve.
Background
As is known, in the production process of the thin-wall sleeve, the outer circle of the thin-wall sleeve needs to be processed to meet the standard of the production specification, and at this time, a fixing device is needed to fasten the thin-wall sleeve, so that the thin-wall sleeve is prevented from deforming and deviating in the process of processing the outer circle.
However, the traditional fixing mode is that the inner hole of the thin-wall sleeve is clamped by a three-jaw chuck and then the surface of the thin-wall sleeve is processed, and due to the factors of uneven stress, easy deformation of the thin-wall sleeve and the like, the roundness of the processed outer circle is poor and is elliptical, so that the use is seriously influenced.
Therefore, a large number of unsealing sleeves for processing the outer circle of the thin-wall sleeve appear in the prior art, and the unsealing sleeves for processing the outer circle of the thin-wall sleeve cannot rotate through the locking nut, so that the expansion sleeve axially moves towards the three-jaw chuck, and the expansion valve is uniformly expanded to clamp the thin-wall sleeve, so that the thin-wall sleeve is uniformly stressed and cannot deform in the processing process, the coaxiality of an inner hole and the outer circle is ensured, the effect of a multilayer structure cannot be passed, the pressure resistance and the friction force of the surface of the chuck plate are increased, the clamping degree of the mandrel is enhanced, the surface deformation capacity of the expansion valve is given, and the inner wall of the thin-wall sleeve is prevented from being lost due to the.
SUMMERY OF THE UTILITY MODEL
Problem to exist among the prior art, the utility model aims to provide a processing thin wall cover excircle is with kaifeng sleeve, it passes through lock nut's rotation, make the inflation cover to three-jaw chuck direction axial motion, and the inflation lamella evenly expands and presss from both sides tight thin wall cover, the thin wall cover atress that has both been guaranteed like this in the course of working evenly can not warp, the axiality of hole and excircle has been guaranteed again, and under multilayer structure's effect, increase the resistance to pressure degree and the friction dynamics on cardboard surface, the reinforcing is to the chucking degree of dabber, and give the ability of lamella inflation surface deformation, avoid the inflation lamella to cause the loss to the inner wall of thin wall cover.
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides a processing thin wall cover excircle is with kaifeng sleeve, includes three-jaw chuck and dabber, the cardboard is installed to the surperficial equidistance of three-jaw chuck, the fixed surface of cardboard installs the resistance to pressure layer, the fixed surface of resistance to pressure layer installs the frictional layer, sliding connection between frictional layer and the dabber, the slidable surface of dabber installs the inflation cover, the terminal surface of inflation cover is equipped with the round hole, sliding connection between the terminal surface of round hole and dabber, the fixed surface of inflation cover installs the inflation lamella, the fixed surface of inflation lamella installs the buffer layer, the slidable surface of buffer layer installs the thin wall cover, the terminal surface of dabber is equipped with the screw thread, and it passes through lock nut's rotation for inflation cover is to three-jaw chuck direction axial motion, and the inflation lamella evenly expands and presss from both sides tight thin wall cover, has both guaranteed in the course of working that the, the coaxiality of the inner hole and the outer circle is guaranteed, the pressure resistance and the friction force of the surface of the clamping plate are increased under the action of the multilayer structure, the clamping degree of the core shaft is enhanced, the surface deformation capacity of the expansion valve is given, and the loss of the expansion valve on the inner wall of the thin-wall sleeve is avoided.
Furthermore, the pressure-resistant layer is made of epoxy resin, the friction layer is made of asbestos wool, the thickness of the pressure-resistant layer and the thickness of the friction layer are 2cm, the pressure resistance and the friction performance of the clamping plate are improved conveniently under the action of the pressure-resistant layer and the friction layer, the clamping degree of the clamping plate on the core shaft is enhanced, the epoxy resin material has good pressure resistance and durability, and the pressure-resistant layer is made of asbestos wool, and is micro-granular and multi-wrinkled on the surface, so that the friction force is increased.
Furthermore, the end face of the mandrel is provided with a clamping hole, a machine tool thimble is slidably mounted in the clamping hole, and the mandrel is conveniently axially pushed tightly under the action of the machine tool thimble.
Further, the buffer layer is the sponge material, and the thickness of buffer layer is 2cm, is convenient for under the effect of buffer layer, gives expansion valve surface deformation's ability, avoids the rigidity contact, causes thin wall cover inner wall loss, and the sponge material has good deformation dynamics.
Furthermore, lock nut is installed through the screw thread to the terminal surface of dabber, sliding connection between lock nut and the inflation cover is convenient for under threaded connection's effect for lock nut can promote inflation cover to three-jaw chuck direction axial motion, thereby to the chucking of thin wall cover.
Compared with the prior art, the utility model has the advantages of:
(1) this scheme is through lock nut's rotation for the inflation cover is to three-jaw chuck direction axial motion, and the inflation lamella evenly expands and presss from both sides tight thin wall cover, has both guaranteed the thin wall cover atress evenly can not warp like this in the course of working, has guaranteed the axiality of hole and excircle again, and under multilayer structure's effect, increase the resistance to pressure degree and the frictional force degree on cardboard surface, the reinforcing is to the chucking degree of dabber, and give the ability of inflation lamella surface deformation, avoid the inflation lamella to cause the loss to the thin wall cover inner wall.
(2) The pressure-resistant layer is epoxy resin material, and the frictional layer is asbestos fine hair matter material, and the thickness of pressure-resistant layer, frictional layer is 2cm, is convenient for under the effect of pressure-resistant layer, frictional property that improves the cardboard, strengthens the chucking degree to the dabber, and epoxy resin material has good crushing resistance, durability, asbestos fine hair matter material, surperficial microparticle, many folds to increase frictional force.
(3) The end face of the mandrel is provided with a clamping hole, and a machine tool thimble is slidably mounted in the clamping hole, so that the mandrel can be axially pushed tightly under the action of the machine tool thimble.
(4) The buffer layer is the sponge material, and the thickness of buffer layer is 2cm, is convenient for under the effect of buffer layer, gives expansion valve surface deformation's ability, avoids the rigidity contact, causes thin wall cover inner wall loss, and the sponge material has good deformation dynamics.
(5) The end face of the mandrel is provided with the locking nut through the thread, the locking nut is connected with the expansion sleeve in a sliding mode, and under the effect of threaded connection, the locking nut can push the expansion sleeve to move axially towards the three-jaw chuck, so that the thin-wall sleeve is clamped.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side sectional view of the three-jaw chuck and the mandrel according to the present invention;
FIG. 3 is a sectional view of the expansion valve of the present invention;
FIG. 4 is a right side view structural diagram of the expansion valve of the present invention;
fig. 5 is a schematic view of the side connection between the lock nut and the mandrel of the present invention.
The reference numbers in the figures illustrate:
the tool comprises a three-jaw chuck 1, a mandrel 2, a clamping plate 3, a pressure-resistant layer 4, a friction layer 5, a clamping hole 6, a machine tool thimble 7, an expansion sleeve 8, a circular hole 9, an expansion valve 10, a buffer layer 11, a thin-wall sleeve 12, a thread 13 and a lock nut 14.
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.
Referring to fig. 1-5, an unsealing sleeve for processing an excircle of a thin-walled sleeve comprises a three-jaw chuck 1 and a mandrel 2, referring to fig. 1-5, clamping plates 3 are equidistantly mounted on the surface of the three-jaw chuck 1, a pressure-resistant layer 4 is fixedly mounted on the surface of the clamping plates 3, a friction layer 5 is fixedly mounted on the surface of the pressure-resistant layer 4, the pressure-resistant layer 4 is made of epoxy resin, the friction layer 5 is made of asbestos wool, the thickness of the pressure-resistant layer 4 and the thickness of the friction layer 5 are 2cm, so that the pressure resistance and the friction performance of the clamping plates 3 are improved under the action of the pressure-resistant layer 4 and the friction layer 5, the clamping degree of the mandrel 2 is enhanced, the epoxy resin has good pressure resistance and durability, the asbestos wool is made of asbestos wool, micro-particles and multiple wrinkles are formed on the surface, so as to increase the friction force, the friction layer 5 is in sliding connection with the mandrel 2, a clamping hole 6 is formed on the, the mandrel is convenient to axially jack the mandrel 2 under the action of a machine tool thimble 7, an expansion sleeve 8 is slidably mounted on the surface of the mandrel 2, a round hole 9 is formed in the end surface of the expansion sleeve 8, the round hole 9 is slidably connected with the end surface of the mandrel 2, expansion lobes 10 are fixedly mounted on the surface of the expansion sleeve 8 at equal intervals, a buffer layer 11 is fixedly mounted on the surface of the expansion lobes 10, the buffer layer 11 is made of sponge material, the thickness of the buffer layer 11 is 2cm, the expansion lobes 10 are convenient to endow with surface deformation capacity under the action of the buffer layer 11, rigid contact is avoided, loss of the inner wall of a thin-wall sleeve 12 is caused, the sponge material has good deformation strength, a thin-wall sleeve 12 is slidably mounted on the surface of the buffer layer 11, threads 13 are arranged on the end surface of the mandrel 2, a locking nut 14 is threadedly mounted on the end surface of the mandrel 2 through the threads 13, so that the locking nut 14 can push the expansion sleeve 8 to move axially towards the three-jaw chuck 1, thereby clamping the thin-wall sleeve 12.
The unsealing sleeve for processing the excircle of the thin-wall sleeve can clamp the mandrel 2 firstly under the action of the clamping plates 3 equidistantly arranged on the surface of the three-jaw chuck 1, improve the pressure resistance and the friction performance of the end surfaces of the clamping plates 3 under the action of the pressure resistance layer 4 and the friction layer 5, enhance the clamping degree of the mandrel 2, push the expansion sleeve 8 to move along the surface of the mandrel 2, be influenced by the inner hole of the expansion sleeve 8 and the excircle of the mandrel 2 in a conical shape, ensure that the expansion sleeve 8 is kept stable firstly, then push the thin-wall sleeve 12 to move along the surface of the expansion sleeve 8, clamp the inner wall of the thin-wall sleeve 12 firstly under the action of the expansion valve 10, reduce the abrasion caused by rigid contact under the action of the buffer layer 11, tightly push the clamping hole 6 through the machine tool thimble 7 to ensure that the mandrel 2 is kept stable, and carry out thread installation on the locking nut 14, thereby pushing the expansion sleeve 8 to axially move, thereby enhancing the clamping degree of the expansion sleeve 8 to the thin-wall sleeve 12.
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 (5)
1. The utility model provides a processing thin wall cover excircle is with kaifeng sleeve, includes three-jaw chuck (1) and dabber (2), its characterized in that: cardboard (3) are installed to the surface equidistance of three-jaw chuck (1), the fixed surface of cardboard (3) installs resistance to pressure (4), the fixed surface of resistance to pressure (4) installs frictional layer (5), sliding connection between frictional layer (5) and dabber (2), the surface slidable mounting of dabber (2) has inflation cover (8), the terminal surface of inflation cover (8) is equipped with round hole (9), sliding connection between the terminal surface of round hole (9) and dabber (2), the equidistant fixed surface of inflation cover (8) installs inflation lamella (10), the fixed surface of inflation lamella (10) installs buffer layer (11), the surface slidable mounting of buffer layer (11) has thin wall cover (12), the terminal surface of dabber (2) is equipped with screw thread (13).
2. The unsealing sleeve for processing the outer circle of the thin-wall sleeve according to claim 1, characterized in that: the pressure-resistant layer (4) is made of epoxy resin, the friction layer (5) is made of asbestos wool, and the thicknesses of the pressure-resistant layer (4) and the friction layer (5) are 2 cm.
3. The unsealing sleeve for processing the outer circle of the thin-wall sleeve according to claim 1, characterized in that: the end face of the mandrel (2) is provided with a clamping hole (6), and a machine tool thimble (7) is slidably mounted inside the clamping hole (6).
4. The unsealing sleeve for processing the outer circle of the thin-wall sleeve according to claim 1, characterized in that: buffer layer (11) are the sponge material, and the thickness of buffer layer (11) is 2 cm.
5. The unsealing sleeve for processing the outer circle of the thin-wall sleeve according to claim 1, characterized in that: the end face of the mandrel (2) is provided with a locking nut (14) through a thread (13), and the locking nut (14) is in sliding connection with the expansion sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722445.5U CN210731043U (en) | 2019-10-15 | 2019-10-15 | Processing thin wall cover excircle is with kaifeng sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722445.5U CN210731043U (en) | 2019-10-15 | 2019-10-15 | Processing thin wall cover excircle is with kaifeng sleeve |
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| CN210731043U true CN210731043U (en) | 2020-06-12 |
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| CN201921722445.5U Active CN210731043U (en) | 2019-10-15 | 2019-10-15 | Processing thin wall cover excircle is with kaifeng sleeve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702394A (en) * | 2020-07-01 | 2020-09-25 | 孙君 | Self-adaptive alignment clamping device suitable for butt welding processing of pipe barrel parts |
| CN115351318A (en) * | 2022-08-29 | 2022-11-18 | 杭州川上机械科技有限公司 | Numerical control lathe positioning tool for turning pump cover and pump cover positioning method |
-
2019
- 2019-10-15 CN CN201921722445.5U patent/CN210731043U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702394A (en) * | 2020-07-01 | 2020-09-25 | 孙君 | Self-adaptive alignment clamping device suitable for butt welding processing of pipe barrel parts |
| CN111702394B (en) * | 2020-07-01 | 2022-02-11 | 山东智迈德智能科技有限公司 | Self-adaptive alignment clamping device suitable for butt welding processing of pipe barrel parts |
| CN115351318A (en) * | 2022-08-29 | 2022-11-18 | 杭州川上机械科技有限公司 | Numerical control lathe positioning tool for turning pump cover and pump cover positioning method |
| CN115351318B (en) * | 2022-08-29 | 2023-07-07 | 杭州川上机械科技有限公司 | Numerical control lathe positioning tool and method for turning pump cover |
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