CN220837987U - Copper alloy large-size thin-wall workpiece fixing tool - Google Patents
Copper alloy large-size thin-wall workpiece fixing tool Download PDFInfo
- Publication number
- CN220837987U CN220837987U CN202322636817.5U CN202322636817U CN220837987U CN 220837987 U CN220837987 U CN 220837987U CN 202322636817 U CN202322636817 U CN 202322636817U CN 220837987 U CN220837987 U CN 220837987U
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- Prior art keywords
- ring
- type
- block
- magnet
- copper alloy
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 21
- 230000005291 magnetic effect Effects 0.000 claims abstract description 37
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 5
- 230000005489 elastic deformation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005292 diamagnetic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a copper alloy large-size thin-wall workpiece fixing tool, which comprises a cylinder body, wherein a first type compression ring is fixedly sleeved on the cylinder body, and at least one second type compression ring is movably sleeved on the same side of the first type compression ring on the cylinder body; a rubber ring is clamped between the second type pressing rings, and/or a rubber ring is clamped between the second type pressing rings and the first type pressing rings; when the second-type pressing ring which is positioned farthest from the first-type pressing ring is driven to move towards the direction close to the first-type pressing ring, the rubber ring can be extruded to generate elastic deformation outwards in the radial direction. The coaxiality of the thin-wall workpiece is guaranteed through the cylinder body with good verticality, and meanwhile, the diameter of the cylinder body is slightly smaller than the inner diameter of the workpiece, so that the machining precision is improved. The switch type magnetic attraction device generates a magnetic field to adsorb the pressing block to enable the rubber ring to expand under stress, so that the workpiece is fixed. The electromagnetic force intensity is stable, the stress is even, the processing precision is improved, in addition, the copper alloy workpiece is mainly contacted with the rubber ring, and the deformation and damage caused by hard contact are avoided.
Description
Technical Field
The utility model relates to the field of workpiece machining, in particular to a copper alloy large-size thin-wall workpiece fixing tool.
Background
The thin-wall annular part is used as a precise part, and the machining precision requirement is very high. At the same time, in order to reduce the cost, a small machining allowance is generally required, so that the blank is thinner. The thin-wall workpiece needs to be fixed during processing, but because the thin-wall workpiece is thinner, the rigidity is poorer, the strength is lower, meanwhile, the copper alloy is generally softer, so that the conditions of processing marks, workpiece deformation and even damage can occur due to overlarge clamping force, the workpiece is scrapped, and the product qualification rate is reduced.
Disclosure of utility model
In order to solve the technical problems in the background art, the utility model provides a copper alloy large-size thin-wall workpiece fixing tool.
The utility model provides a copper alloy large-size thin-wall workpiece fixing tool, which comprises a cylinder body, wherein a first type compression ring is fixedly sleeved on the cylinder body, and at least one second type compression ring is movably sleeved on the same side of the first type compression ring on the cylinder body; a rubber ring is clamped between the second type pressing rings, and/or a rubber ring is clamped between the second type pressing rings and the first type pressing rings; when the second-type pressing ring which is positioned farthest from the first-type pressing ring is driven to move towards the direction close to the first-type pressing ring, the rubber ring can be extruded to generate elastic deformation outwards in the radial direction.
Preferably, the annular grooves for accommodating the rubber rings are formed in the first type pressure ring and/or the second type pressure ring.
Preferably, when the rubber ring is in an undeformed state, the inner side wall of the rubber ring is fit with the bottom of the annular groove, the outer side wall is flat with the top of the annular groove, and gaps are reserved between adjacent second-type compression rings and/or between adjacent first-type compression rings and second-type compression rings.
Preferably, the device further comprises a driving mechanism for driving the second-type pressure ring positioned furthest from the first-type pressure ring to move and reset in a direction approaching to the first-type pressure ring.
Preferably, the driving mechanism specifically includes: the magnetic attraction component is connected with the cylinder body and the pressing block capable of being magnetically attracted, the pressing block is movably connected with the cylinder body and abuts against the second type pressing ring which is farthest from the first type pressing ring, and the magnet contained in the magnetic attraction component is arranged close to the pressing block so that when the magnet is changed from a demagnetizing state to a magnetic state, the pressing block can be magnetically attracted to move towards the direction close to the first type pressing ring.
Preferably, the magnetic component specifically comprises: the rotary switch comprises a magnet, a permanent magnet block and a knob switch, wherein the magnet is formed by combining the soft magnet block and an anti-magnet block, the magnet is installed in an inner central hole coaxially arranged with the cylinder, one ends of the soft magnet block and the anti-magnet block are both close to a pressing block, one end of the knob switch extends into the central hole from a radial hole which is formed in the cylinder and is communicated with the central hole and is fixed with the permanent magnet block, when the knob switch is operated, the permanent magnet block can be driven to act so that the permanent magnet block and the magnet can be switched between a first position relation and a second position relation, when the permanent magnet block and the magnet are in the first position relation, the magnet is magnetized, and when the permanent magnet block and the magnet are in the second position relation, the magnet is demagnetized.
Preferably, the soft magnetic block is provided with a mounting groove, the mounting groove is close to the end part of the soft magnetic block, the soft magnetic block is provided with a fixing groove along the axis, the fixing groove is communicated with the mounting groove in a penetrating manner, the soft magnetic block is provided with a antimagnetic block through the fixing groove, and the soft magnetic block is provided with a permanent magnetic block through the mounting groove.
According to the copper alloy large-size thin-wall workpiece fixing tool, coaxiality of the thin-wall workpiece is guaranteed through the cylinder body with good perpendicularity, meanwhile, the diameter of the cylinder body is slightly smaller than the inner diameter of the workpiece, and machining accuracy is improved. The switch type magnetic attraction device generates a magnetic field to adsorb the pressing block to enable the rubber ring to expand under stress, so that the workpiece is fixed. The electromagnetic force intensity is stable, the stress is even, the processing precision is improved, in addition, the copper alloy workpiece is mainly contacted with the rubber ring, and the deformation and damage caused by hard contact are avoided.
Drawings
FIG. 1 is a schematic perspective view of a copper alloy large-size thin-wall workpiece fixing tool;
Fig. 2 is a schematic cross-sectional structure of a copper alloy large-size thin-wall workpiece fixing tool provided by the utility model.
Legend description:
1. A cylinder; 101. a central bore; 102. a radial hole; 2. a first type compression ring; 3. a second type compression ring; 4. a rubber ring; 5. an annular groove; 6. briquetting; 7. a magnetic attraction component; 701. a magnet; 8. permanent magnet blocks; 9. a knob switch; 10. a soft magnetic block; 1001. a mounting groove; 1002. a fixing groove; 11. a diamagnetic block.
Detailed Description
Referring to fig. 1 and 2, the copper alloy large-size thin-wall workpiece fixing tool provided by the utility model comprises a cylinder body 1, wherein a first type compression ring 2 is fixedly sleeved on the cylinder body 1, and at least one second type compression ring 3 is movably sleeved on the same side of the first type compression ring 2 on the cylinder body 1; a rubber ring 4 is clamped between the second-type pressing rings 3, and/or the rubber ring 4 is clamped between the second-type pressing rings 3 and the first-type pressing rings 2; when the second-type pressing ring 3 positioned furthest from the first-type pressing ring 2 is driven to move towards the direction of the first-type pressing ring 2, the rubber ring 4 can be extruded to generate elastic deformation outwards in the radial direction.
In the embodiment, the outer diameters of the rubber ring 4 and the second type compression ring 3 are smaller than the inner diameter of the thin-wall workpiece by 0.02mm-0.03mm, so that the thin-wall workpiece is convenient to load, and the fixing effect is good.
Specifically, as shown in fig. 2, an annular groove 5 for accommodating the rubber ring 4 is formed in the first-type compression ring 2 and/or the second-type compression ring 3.
Specifically, as shown in fig. 2, when the rubber ring 4 is in an undeformed state, the inner side wall of the rubber ring 4 is fit to the bottom of the annular groove 5, the outer side wall is flat with the top of the annular groove 5, and gaps are reserved between adjacent second-type press rings 3 and/or between adjacent first-type press rings 2 and second-type press rings 3.
Specifically, as shown in fig. 2, the device further comprises a driving mechanism for driving the second-type pressing ring 3 positioned furthest from the first-type pressing ring 2 to move and reset in a direction approaching the first-type pressing ring 2.
Specifically, as shown in fig. 2, the driving mechanism specifically includes: the magnetic attraction component 7 connected with the cylinder body 1 and the pressing block 6 capable of being magnetically attracted are arranged, the pressing block 6 is movably connected with the cylinder body 1 and abuts against the second-type pressing ring 3 farthest from the first-type pressing ring 2, and the magnet 701 contained in the magnetic attraction component 7 is arranged close to the pressing block 6 so that when the magnet 701 is changed from a demagnetized state to a magnetized state, the pressing block 6 capable of being magnetically attracted moves towards the direction close to the first-type pressing ring 2.
Specifically, as shown in fig. 1 and 2, the magnetic attraction assembly 7 specifically includes: the rotary switch comprises a magnet 701, a permanent magnet block 8 and a rotary switch 9, wherein the magnet 701 is formed by combining a soft magnet block 10 and an anti-magnet block 11, the magnet 701 is installed in an inner central hole 101 which is coaxially arranged with the cylinder body 1, one ends of the soft magnet block 10 and the anti-magnet block 11 are both arranged close to the pressing block 6, one end of the rotary switch 9 extends into the central hole 101 from a radial hole 102 which is formed in the cylinder body 1 and is communicated with the central hole 101 and is fixed with the permanent magnet block 8, when the rotary switch 9 is operated, the permanent magnet block 8 can be driven to act so that the permanent magnet block 8 and the magnet 701 can be switched between a first position relationship and a second position relationship, when the permanent magnet block 8 and the magnet 701 are in the first position relationship, the magnet 701 is magnetized, and when the permanent magnet block 8 and the magnet 701 are in the second position relationship, the magnet 701 is demagnetized.
In this embodiment, a lock catch may be provided on the knob switch 9 to prevent loosening of the workpiece caused by unexpected rebound during processing.
Specifically, the end of the soft magnetic block 10 near the pressing block 6 is provided with a V-shaped groove. The roughness of the V-shaped groove end surface is 0.8-1.6 mu m, so as to improve the magnetic attraction effect.
Specifically, as shown in fig. 2, a mounting groove 1001 is formed in the soft magnetic block 10, the mounting groove 1001 is close to the end of the soft magnetic block 10, a fixing groove 1002 is formed in the soft magnetic block 10 along the axis, the fixing groove 1002 is communicated with the mounting groove 1001 in a penetrating manner, an anti-magnetic block 11 is assembled on the soft magnetic block 10 through the fixing groove 1002, and a permanent magnetic block 8 is assembled on the soft magnetic block 10 through the mounting groove 1001.
In the specific working process of the copper alloy large-size thin-wall workpiece fixing tool, a cylinder 1 is fixed through a three-jaw chuck of a lathe, and a rubber ring 4, a first type compression ring 2, a rubber ring 4 and a second type compression ring 3 are sequentially arranged on the cylinder 1; when the rotary knob switch is used, a thin-wall workpiece is sleeved in, the end face of the workpiece is propped against the end face of the cylinder body 1, the pressing block 6 is propped against the second-type compression ring 3, finally the rotary knob switch 9 is rotated to enable the two poles of the permanent magnet block 8 to be respectively aligned with the soft magnet block 10, the V-shaped groove area of the soft magnet block 10 can generate stronger magnetic force to suck the pressing block 6, the second-type compression ring 3 is further compressed, the rubber ring 4 is expanded under stress, and the workpiece is fixed from the inner side. After the processing is finished, only the knob switch 9 is required to be rotated, so that the two poles of the permanent magnet block 8 are aligned with the anti-magnet block 11, and the soft magnet block 10 loses suction force, so that the thin-wall workpiece can be taken down.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The copper alloy large-size thin-wall workpiece fixing tool is characterized by comprising a barrel body (1), wherein a first type compression ring (2) is fixedly sleeved on the barrel body (1), and at least one second type compression ring (3) is movably sleeved on the same side of the first type compression ring (2) on the barrel body (1); a rubber ring (4) is clamped between the second type compression rings (3), and/or a rubber ring (4) is clamped between the second type compression rings (3) and the first type compression rings (2); when the second-type pressing ring (3) positioned furthest from the first-type pressing ring (2) is driven to move towards the direction close to the first-type pressing ring (2), the rubber ring (4) can be extruded to elastically deform radially outwards.
2. The copper alloy large-size thin-wall workpiece fixing tool according to claim 1, wherein annular grooves (5) for accommodating rubber rings (4) are formed in the first type compression ring (2) and/or the second type compression ring (3).
3. The copper alloy large-size thin-wall workpiece fixing tool according to claim 2, wherein when the rubber ring (4) is in an undeformed state, the inner side wall of the rubber ring (4) is fit to the bottom of the annular groove (5), the outer side wall is flat with the top of the annular groove (5), and gaps are reserved between adjacent second-type press rings (3) and/or between adjacent first-type press rings (2) and second-type press rings (3).
4. The copper alloy large-size thin-wall workpiece fixing tool according to claim 1, further comprising a driving mechanism for driving the second-type pressing ring (3) located farthest from the first-type pressing ring (2) to move and reset in a direction approaching the first-type pressing ring (2).
5. The copper alloy large-size thin-wall workpiece fixing tool as claimed in claim 4, wherein the driving mechanism specifically comprises: the magnetic attraction assembly (7) is connected with the barrel (1) and the pressing block (6) can be magnetically attracted, the pressing block (6) is movably connected with the barrel (1) and abuts against the second-type pressing ring (3) farthest from the first-type pressing ring (2), and a magnet (701) contained in the magnetic attraction assembly (7) is arranged close to the pressing block (6) so that when the magnet (701) is changed from a demagnetizing state to a magnetized state, the pressing block (6) can be magnetically attracted to move towards a direction close to the first-type pressing ring (2).
6. The copper alloy large-size thin-wall workpiece fixing tool as claimed in claim 5, wherein the magnetic attraction assembly (7) specifically comprises: the rotary switch comprises a magnet (701), a permanent magnet block (8) and a rotary switch (9), wherein the magnet (701) is formed by combining a soft magnet block (10) and an anti-magnet block (11), the magnet (701) is installed in an inner central hole (101) coaxially arranged with a cylinder body (1), one end of the soft magnet block (10) and one end of the anti-magnet block (11) are both close to a pressing block (6), one end of the rotary switch (9) extends into the central hole (101) from a radial hole (102) which is formed in the cylinder body (1) and is communicated with the central hole (101) and is fixed with the permanent magnet block (8), the permanent magnet block (8) can be driven to act when the rotary switch (9) is operated so that the permanent magnet block (8) and the magnet (701) can be switched between a first position relation and a second position relation, the magnet (701) is magnetized when the permanent magnet block (8) and the magnet (701) are in the first position relation, and the magnet (701) is demagnetized when the permanent magnet block (8) and the magnet (701) are in the second position relation.
7. The copper alloy large-size thin-wall workpiece fixing tool according to claim 6, wherein a mounting groove (1001) is formed in the soft magnetic block body (10), the mounting groove (1001) is close to the end portion of the soft magnetic block body (10), a fixing groove (1002) is formed in the soft magnetic block body (10) along the axis, the fixing groove (1002) is communicated with the mounting groove (1001) in a penetrating mode, an anti-magnetic block body (11) is assembled on the soft magnetic block body (10) through the fixing groove (1002), and a permanent magnetic block body (8) is assembled on the soft magnetic block body (10) through the mounting groove (1001).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322636817.5U CN220837987U (en) | 2023-09-27 | 2023-09-27 | Copper alloy large-size thin-wall workpiece fixing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322636817.5U CN220837987U (en) | 2023-09-27 | 2023-09-27 | Copper alloy large-size thin-wall workpiece fixing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220837987U true CN220837987U (en) | 2024-04-26 |
Family
ID=90740212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322636817.5U Active CN220837987U (en) | 2023-09-27 | 2023-09-27 | Copper alloy large-size thin-wall workpiece fixing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220837987U (en) |
-
2023
- 2023-09-27 CN CN202322636817.5U patent/CN220837987U/en active Active
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