CN218965050U - Axial clamping tool for honing inner holes of thin-wall sleeve parts - Google Patents
Axial clamping tool for honing inner holes of thin-wall sleeve parts Download PDFInfo
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- CN218965050U CN218965050U CN202223132997.5U CN202223132997U CN218965050U CN 218965050 U CN218965050 U CN 218965050U CN 202223132997 U CN202223132997 U CN 202223132997U CN 218965050 U CN218965050 U CN 218965050U
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- honing
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Abstract
The utility model discloses an axial clamping tool for honing an inner hole of a thin-wall sleeve part, which relates to a sleeve part clamping tool, and comprises a chuck with clamping jaws and a clamping sleeve arranged between the clamping jaws, wherein the clamping sleeve is used for mounting the sleeve part, at least two screws are fixed on the chuck, the screws are sleeved with the same pressing plate, and step through holes for placing the sleeve part are formed in the pressing plate; and the screw is connected with a locking nut of the locking pressing plate in a threaded manner. The utility model can avoid deformation and dimension exceeding errors caused by radial clamping of the thin-wall sleeve parts, and ensure that the thin-wall sleeve parts meet the assembly and use requirements of the parts after being processed.
Description
Technical Field
The utility model relates to a sleeve part clamping tool, in particular to an axial clamping tool for honing an inner hole of a thin-wall sleeve part.
Background
At present, the sleeve parts are basically clamped radially through the chuck and the clamping jaw, the method has no great influence on the sleeve parts with thicker wall thickness, better rigidity and low inner hole size precision requirement, and the clamping jaw is loosened after honing to measure the size within the tolerance range, so that the assembly and the use of the parts are not influenced. However, for the sleeve parts with thin walls, poor rigidity and high inner hole size precision requirement, when the honing claw is used for radially clamping the sleeve parts with thin walls, the sleeve parts are pressed greatly due to small stress area, so that the dimensional change of the sleeve parts before and after clamping is large, and further, the machined thin-wall sleeve parts cannot meet the part assembly and use requirements in a free state.
Disclosure of Invention
The utility model aims at: aiming at the problems, the axial clamping tool for honing the inner hole of the thin-wall sleeve part is provided, the problems in the prior art are effectively solved, deformation and dimension out-of-tolerance caused by radial clamping of the thin-wall sleeve part are avoided, and the thin-wall sleeve part is ensured to meet the assembly and use requirements of the part after being machined.
The technical scheme adopted by the utility model is as follows: the axial clamping tool for honing the inner hole of the thin-wall sleeve part comprises a chuck with clamping jaws and a clamping sleeve arranged between the clamping jaws, wherein the clamping sleeve is used for installing the sleeve part, at least two screws are fixed on the chuck, the same pressing plate is sleeved on all screws, and a step through hole for placing the sleeve part is formed in the pressing plate; and the screw is connected with a locking nut of the locking pressing plate in a threaded manner.
Further, a supporting table for supporting the jacket is arranged on the clamping jaw, and the supporting table is arranged at one end of the clamping jaw, which is close to each other.
Further, the jacket is provided with a supporting hole for placing the jacket type part, and a supporting ring for supporting the jacket type part is fixed on the inner wall of the supporting hole.
Further, the axis of rotation of the chuck, the axis of the collet and the axis of the stepped through bore are collinear.
Further, the axis of the screw is collinear with the axis of rotation of the chuck or/and the axis of the collet or/and the axis of the stepped through bore.
Further, the screw rod is detachably and fixedly connected with the chuck.
Further, a T-shaped nut is fixed on the chuck, and the screw rod is in threaded connection with the T-shaped nut.
Further, at least two mounting holes are formed in the pressing plate, and the number of the mounting holes is the same as that of the screws.
Further, all the screws are circumferentially arrayed with the axis of the jacket as the center of a circle.
Further, the step width of the step through hole is smaller than the wall thickness of the sleeve part.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, the sleeve part is stressed and fixed in the axial direction after being mounted by using the high rigidity of the sleeve part in the axial direction and arranging the jacket and the pressing plate, so that the original radial mounting mode is changed, the possibility of deformation and dimensional change of the tool sleeve part is reduced, and the dimensional accuracy and the shape accuracy of the sleeve part are ensured;
2. according to the utility model, the jacket is arranged, so that the contact area between the clamping jaw and the outer wall of the sleeve part can be increased, and the local compression of the sleeve part is reduced, thereby reducing the possibility of deformation and dimensional change of the tool sleeve part and ensuring the dimensional accuracy and shape accuracy of the sleeve part.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the jacket disclosed in the present utility model;
FIG. 3 is a schematic view of a platen according to the present disclosure;
the marks in the figure: 1-jacket; 11-a support ring; 2-pressing plates; 21-step through holes; 22-mounting holes; 3-a screw; a 4-T nut; a 5-lock nut; 6-clamping jaws; 61-a support table; 7-chuck.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-3, the axial clamping tool for honing the inner hole of the thin-wall sleeve part comprises a chuck 7 with jaws 6 and a clamping sleeve 1 arranged between the jaws 6, wherein the clamping sleeve 1 is used for installing one end of the sleeve part, the clamping force of the jaws 6 acts on the clamping sleeve 1, namely, the sleeve part is arranged in the clamping sleeve 1 in a manner of being collinear with the axis of the clamping sleeve 1, and the clamping force of the jaws 6 acts on the outer wall of the sleeve part through the clamping sleeve 1, so that the contact area between the jaws 6 and the outer wall of the sleeve part is increased, the partial compression of the sleeve part is reduced, the possibility of deformation and dimensional change of the tool sleeve part is reduced, and the purposes of ensuring the dimensional precision and the shape precision of the sleeve part are achieved; three or four or more screws 3 are fixed on the chuck 7, in this embodiment, three screws 3 are preferable, the same pressing plate 2 is sleeved on all screws 3, and a step through hole 21 for placing the other end of the sleeve part is arranged on the pressing plate 2; the screw rod 3 is connected with a locking nut 5 of the locking pressing plate 2 in a threaded manner.
Specifically, with respect to the axial operation of the sleeve part, after the clamping sleeve 1 is clamped by the clamping jaw 6, one end of the sleeve part is installed in the clamping sleeve 1, the pressing plate 2 is sleeved into the three screws 3 to prop against the other end of the sleeve part, the locking nut 5 is screwed, the locking nut 5 is tightly pressed against the pressing plate 2, and therefore the pressing plate 2 is tightly pressed against the other end of the sleeve part, and the sleeve part is fixedly stressed in the radial direction; then, the clamping claw 6 is made to apply clamping force, the clamping force enables the jacket 1 to be clung to the sleeve part, and the sleeve part is further fixed, so that the axial tooling of the sleeve part is completed; the axial direction strength of the sleeve part is higher, the deformation and the dimensional change of the thin-wall sleeve part can not be caused, and the dimensional accuracy and the shape accuracy of the sleeve part are ensured.
Further, after the axial tooling of the sleeve part is completed, the honing tool can extend into the sleeve part from the stepped through hole 21 to honing the inner wall of the sleeve part.
It should be noted that, the connection relationship between the chuck 7 and the claw 6 is well known in the tool field, for example, the three-jaw chuck 7 on the lathe, which is not described in detail in the present specification, only the effect of the claw 6 in clamping is required to be clear.
In this embodiment, as shown in fig. 1, the supporting table 61 for supporting the jacket 1 is disposed on the claw 6, and the supporting table 61 is disposed at one end of the claw 6 close to each other, the supporting table 61 is disposed on the claw 6, the supporting table 61 is fixed relative to the claw 6, the supporting table 61 can move along with the claw 6, and when the jacket 1 is installed, the supporting table 61 supports the end face of the jacket 1, so as to ensure that the position of the jacket 1 is stable, and effectively prevent the jacket 1 from moving when the jacket type parts are installed; specifically, when the sleeve part is installed, the pressing plate 2 generates pressure on one end of the sleeve part, the pressure is transmitted to the clamping sleeve 1 through the sleeve part, if the position of the clamping sleeve 1 is not limited by the supporting table 61, the friction force between the clamping sleeve 1 and the clamping jaw 6 may not be enough to stabilize the position of the clamping sleeve 1, the clamping sleeve 1 is easy to move, and clamping failure is caused, so that the situation is avoided, and the supporting table 61 is arranged on the clamping jaw 6.
In this embodiment, as shown in fig. 1-2, the jacket 1 has a supporting hole for placing a jacket part, a supporting ring 11 for supporting the jacket part is fixed on the inner wall of the supporting hole, and the inner diameter of the jacket 1 is matched with the outer diameter of the jacket part, so that after the jacket part is installed, the axis of the jacket part is collinear with the axis of the jacket 1; the purpose analogy that sets up support ring 11 on jack catch 6, specifically, support ring 11 and clamp cover 1 fixed connection, clamp plate 2 produces pressure to the one end of cover class part, if do not have support ring 11 to the position definition of cover class part, the friction force between clamp cover 1 and the cover class part probably is insufficient to stabilize the position of cover class part in clamp cover 1, cover class part appears moving easily, thereby lead to cover class part clamping failure, and avoid the appearance of this condition to benefit from setting up supporting bench 61 on jack catch 6, support ring 11 supports the other end of cover class part, the position of limiting the cover class part, guarantee that the position of dress clamp cover 1 class part is stable.
In this embodiment, after the sleeve part is clamped, in order to make the rotation axis of the sleeve part be the own axis and the rotation axis of the sleeve part be collinear with the rotation axis of the chuck 7, the axis of the jacket 1 and the axis of the step through hole 21 are collinear, and the two side end faces of the step of the inner hole of the jacket 1 are strictly perpendicular to the axis of the inner hole.
In this embodiment, the axis of the screw 3 is collinear with the rotation axis of the chuck 7 or/and the axis of the jacket 1 or/and the axis of the stepped through hole 21, when the chuck 7 operates, the screw 3 will rotate along with the chuck 7, the direction of the axis of the screw 3 is limited to ensure that the centrifugal force of each position of the screw 3 along the axis direction is the same, the screw 3 is prevented from being bent due to the different centrifugal forces of each position, and the service life of the screw 3 is ensured.
In this embodiment, in order to facilitate the disassembly of the screw 3, the clamping of other parts by the chuck 7 and the claw 6 is not affected, and the screw 3 is detachably and fixedly connected with the chuck 7.
Further, the chuck 7 is provided with three T-nuts 4 in a circumferential array, the screw 3 is in threaded connection with the T-nuts 4, so that the screw 3 is detachably connected with the T-nuts 4, and further, the screw 3 is detachably connected with the chuck 7.
In this embodiment, three mounting holes 22 are formed in the pressing plate 2, the positions of the mounting holes 22 are matched with the positions of the T-shaped nuts 4, and the screw 3 passes through the mounting holes 22 and is connected with the locking nuts 5.
In this embodiment, all the screws 3 are circumferentially arrayed with the axis of the jacket 1 as the center of a circle, so that the pressing plate 2 is ensured to be uniformly distributed by the locking extrusion force of the nut, and the extrusion force of the jacket parts received by the pressing plate 2 is uniform.
In this embodiment, the step width of the step through hole 21 is smaller than the wall thickness of the sleeve part, that is, the inner diameter of the smallest hole in the step hole is larger than the inner diameter of the sleeve part, so that the inner wall of the step hole is prevented from generating position interference on the processing of the sleeve part.
In this embodiment, the steps of a tool for honing an inner hole of a thin-wall sleeve part to axially clamp the tool are as follows:
s1: placing the jacket 1 between the clamping jaws 6, adjusting the clamping jaws 6 to be close to each other, so that the inner wall surface of the clamping jaws 6 is attached to the outer wall of the jacket 1, and the lower end surface of the jacket 1 is in contact with the supporting table 61;
s2: the sleeve parts are arranged in the jacket 1, the clamping claws 6 are lightly screwed, and the force is that the jacket 1 does not generate radial deformation for the sleeve parts 6 during honing;
s3: the three screws 3 are screwed into corresponding threaded holes of the T-shaped nuts 4 respectively, the screws are screwed to the bottom, the three mounting holes 22 of the pressing plate 2 are aligned with the three screws 3, then the screws pass through, the outer circle at the upper end of the sleeve part falls into the stepped hole through hole 21 of the pressing plate 2, the locking nuts 5 are symmetrically and alternately screwed for a plurality of times, the pressing plate 2 is locked, and the pressing force is aligned with the fact that the friction force of the honing head cannot drive rotation during honing;
s4: and continuously closing the clamping jaws 6 until no relative sliding occurs between the clamping jaws 6 and the jacket 1 and between the jacket 1 and the sleeve parts, and completing the axial clamping of the sleeve parts.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a thin wall cover class part hole honing axial clamping frock which characterized in that: the clamping device comprises a chuck (7) with clamping jaws (6) and a clamping sleeve (1) arranged between the clamping jaws (6), wherein the clamping sleeve (1) is used for installing one end of a sleeve part, at least two screws (3) are fixed on the chuck (7), the same pressing plate (2) is sleeved on all the screws (3), and a step through hole (21) used for placing the other end of the sleeve part is formed in the pressing plate (2); the screw rod (3) is connected with a locking nut (5) of the locking pressing plate (2) in a threaded manner.
2. The axial clamping tool for honing an inner hole of a thin-wall sleeve part according to claim 1, which is characterized in that: the clamping jaw (6) is provided with a supporting table (61) for supporting the clamping sleeve (1), and the supporting table (61) is arranged at one end of the clamping jaw (6) close to each other.
3. The axial clamping tool for honing an inner hole of a thin-wall sleeve part according to claim 1, which is characterized in that: the jacket (1) is provided with a supporting hole for placing sleeve parts, and a supporting ring (11) for supporting the sleeve parts is fixed on the inner wall of the supporting hole.
4. The axial clamping tool for honing an inner hole of a thin-wall sleeve part according to claim 1, which is characterized in that: the rotation axis of the chuck (7), the axis of the jacket (1) and the axis of the stepped through hole (21) are collinear.
5. The axial clamping tool for honing an inner hole of a thin-wall sleeve part according to claim 4, which is characterized in that: the axis of the screw (3) is collinear with the rotation axis of the chuck (7) or/and the axis of the jacket (1) or/and the axis of the stepped through hole (21).
6. The axial clamping tool for honing an inner hole of a thin-wall sleeve part according to claim 1, which is characterized in that: the screw (3) is detachably and fixedly connected with the chuck (7).
7. The axial clamping tool for honing an inner hole of a thin-wall sleeve part according to claim 6, which is characterized in that: at least two T-shaped nuts (4) are fixed on the chuck (7), and the screw rod (3) is in threaded connection with the T-shaped nuts (4).
8. The axial clamping tool for honing an inner hole of a thin-wall sleeve part according to claim 1, which is characterized in that: at least two mounting holes (22) are formed in the pressing plate (2), and the number of the mounting holes (22) is the same as that of the screw rods (3).
9. The tool for axially clamping an inner hole of a thin-wall sleeve part by honing according to any one of claims 1 to 8, which is characterized in that: all the screws (3) are circumferentially arrayed by taking the axis of the jacket (1) as the center of a circle.
10. The tool for axially clamping an inner hole of a thin-wall sleeve part by honing according to any one of claims 1 to 8, which is characterized in that: the step width of the step through hole (21) is smaller than the wall thickness of the sleeve part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223132997.5U CN218965050U (en) | 2022-11-24 | 2022-11-24 | Axial clamping tool for honing inner holes of thin-wall sleeve parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223132997.5U CN218965050U (en) | 2022-11-24 | 2022-11-24 | Axial clamping tool for honing inner holes of thin-wall sleeve parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218965050U true CN218965050U (en) | 2023-05-05 |
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ID=86156426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223132997.5U Active CN218965050U (en) | 2022-11-24 | 2022-11-24 | Axial clamping tool for honing inner holes of thin-wall sleeve parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218965050U (en) |
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2022
- 2022-11-24 CN CN202223132997.5U patent/CN218965050U/en active Active
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