CN208483546U - Hollow shaft high-precision Double Tops clamping device - Google Patents
Hollow shaft high-precision Double Tops clamping device Download PDFInfo
- Publication number
- CN208483546U CN208483546U CN201820950040.6U CN201820950040U CN208483546U CN 208483546 U CN208483546 U CN 208483546U CN 201820950040 U CN201820950040 U CN 201820950040U CN 208483546 U CN208483546 U CN 208483546U
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- CN
- China
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- hollow shaft
- clamping device
- tooling assembly
- pulling claw
- double tops
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- 210000000078 claw Anatomy 0.000 claims abstract description 34
- 238000003754 machining Methods 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
Hollow shaft high-precision Double Tops clamping device, the top of hollow shaft is matched for clamping tightly including the tooling assembly being fixed on platen or main shaft and with tooling assembly, the tooling assembly has type chamber, the type is intracavitary to be provided with the pulling claw being axially movable, it is described it is top pass through hollow shaft and protrude into be tensed by pulling claw after type chamber be arranged, it is top at this time contacted with the end of hollow shaft with tooling assembly after clamp hollow shaft.After the utility model clamps hollow shaft, all outer circles of hollow shaft do not have any interferences, it is possible to which clamped one time completes all process steps, very high multistep process machining accuracy.The utility model can be used for the tooth Profile Machining of hollow shaft, Excircle machining and the primary completion of end face processing.And machining benchmark is completely coincident with detection benchmark, so the accuracy of manufacture is high after processing, while efficiency is substantially improved.
Description
Technical field
The utility model belongs to field of machining, and in particular to a kind of hollow shaft high-precision Double Tops clamping device.
Background technique
The frock clamp that uses of axis class processing at present is top end face driving as shown in Figure 1 nothing but and as shown in Figure 2
Outer circle holds two ways tightly, however the defect that the two generates constrains the quality and efficiency of product processing.It shows:
1, driving is top needs teeth portion to prick into piece surface, destroys product end surface, needs to increase process finishing, thus mentions
High cost.
2, outer circle, which holds fixture tightly, can not disposably process whole outer round surface, need twice clamping could complete, and twice
Clamping is very big on the influence of the concentricity of each outer circle or flute profile pitch circle due to the error of tooling collet.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model provides that a kind of machining benchmark is consistent with detection benchmark, raising
Efficiency and relatively reliable, the versatile hollow shaft high-precision Double Tops clamping device of quality.
The technical solution adopted in the utility model is:
Hollow shaft high-precision Double Tops clamping device, including the tooling assembly being fixed on platen or main shaft and and work
Dress assembly is matched for clamping tightly the top of hollow shaft, it is characterised in that: the tooling assembly has type chamber, and intracavitary be provided with of the type can
The pulling claw of axial movement, top pass through after hollow shaft protrudes into type chamber are arranged by pulling claw tension, top at this time and tooling assembly
Hollow shaft is clamped after contacting with the end of hollow shaft.After the utility model clamps hollow shaft, all outer circles of hollow shaft do not have
Any interferences, it is possible to which clamped one time completes all process steps, very high multistep process machining accuracy.The utility model
It can be used for the tooth Profile Machining of hollow shaft, Excircle machining and the primary completion of end face processing.And machining benchmark and detection benchmark are complete
Full weight is closed, so the accuracy of manufacture is high after processing, while efficiency is substantially improved.
Further, described top with the root contacted with the end face of hollow shaft, the root is the taper knot of 60 ° of cone angles
Structure.
Further, the top end is equipped with the boss pull ring tensed with pulling claw cooperation.
Further, the end of the tooling assembly is the pyramidal structure of 60 ° of cone angles.
Further, the inner hole both ends of the hollow shaft are equipped with 60 ° of chamferings.
Further, the work of the end of the protrusion tooling assembly of the pulling claw and platen or the angling cylinder on main shaft
Plug connection.
Further, the tooling assembly is equipped with the locating part for preventing pulling claw from taking off release chamber.
Further, the locating part is a bolt, and the end of the bolt passes through tooling assembly and is located at the recessed of pulling claw surface
In slot.
Further, the type is intracavitary is provided with the taper annular groove for reducing pulling claw diameter.
Further, the crawl end of the pulling claw offers multiple open slots, catches convenient for the crawl end diminution of pulling claw
Boss pull ring.
The beneficial effects of the utility model are:
1, using machining benchmark and detection datum coincidence, the accuracy of manufacture is high after processing, while efficiency is substantially improved.
2, it is realized and is produced using the cooperation between tooling assembly and 60 ° of top tapers and 60 ° of tapers of benchmark of hollow shaft
Product positioning increases the frictional force between three using the pulling force of pulling claw and reaches maximum value, realizes the purpose of clamping.
3, all outer circles of hollow shaft do not have any interferences, it is possible to which clamped one time completes all process steps, even if multistep
Process machining accuracy is also very high, can be used for the tooth Profile Machining of hollow shaft, Excircle machining and the primary completion of end face processing.
4, structure is very succinct, and manufacturing cost is low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing top end face driving frock clamp.
Fig. 2 is the structural schematic diagram that existing outer circle holds frock clamp tightly.
Fig. 3 is the structural schematic diagram of the non-tension of the utility model.
Fig. 4 is the structural schematic diagram of the utility model tension.
Fig. 5 is the top structural schematic diagram of the utility model.
Fig. 6 is the structural schematic diagram of the tooling assembly of the utility model.
Specific embodiment
Combined with specific embodiments below the utility model to be further described, but the utility model is not limited to
In these specific embodiments.One skilled in the art would recognize that the utility model covers in Claims scope
All alternatives, improvement project and the equivalent scheme that may include.
Referring to Fig. 3, Fig. 4, a kind of hollow shaft high-precision Double Tops clamping device is present embodiments provided, including is fixed on lathe
Tooling assembly 3 on workbench or main shaft and it is matched for clamping tightly top the 1 of hollow shaft 2 with tooling assembly 3, the tooling assembly 3 has
There is type chamber, the type is intracavitary to be provided with the pulling claw 4 being axially movable, and the protrusion tooling assembly setting of one end of the pulling claw 4 should
The end of protrusion is connect with the piston thread of the angling cylinder on platen or main shaft, is moved axially by piston driving；Institute
State top 1 and pass through hollow shaft 2 and protrude into be tensed by pulling claw 4 after type chamber and be arranged, at this time top 1 with tooling assembly 3 with hollow shaft 2
Hollow shaft 2 is clamped after the contact of end.After the utility model clamps hollow shaft 2, all outer circles of hollow shaft 2 do not have any interference
Object, it is possible to which clamped one time completes all process steps, very high multistep process machining accuracy.The utility model can be used for sky
The tooth Profile Machining of mandrel 2, Excircle machining and the primary completion of end face processing.And machining benchmark is completely coincident with detection benchmark,
So the accuracy of manufacture is high after processing, while efficiency is substantially improved.
Referring to Fig. 5, top 1 has the root 11 contacted with the end face of hollow shaft 2 described in the present embodiment, and the root 11 is
The pyramidal structure of 60 ° of cone angles.Top 1 end is equipped with the boss pull ring 12 tensed with the cooperation of pulling claw 4.
Referring to Fig. 6, the end of the tooling assembly 3 is the pyramidal structure of 60 ° of cone angles.The tooling assembly 3 is equipped with anti-
Only pulling claw 4 takes off the locating part 5 of release chamber.The locating part 5 is a bolt, and the end of the bolt passes through tooling assembly 3 and is located at
In the groove on 4 surface of pulling claw.The type is intracavitary to be provided with the taper annular groove 31 for reducing 4 diameter of pulling claw, the crawl end of pulling claw 4
Multiple open slots 41 are offered, catch boss pull ring 12 convenient for the crawl end diminution of pulling claw 4.
The inner hole both ends of hollow shaft described in the present embodiment are equipped with 60 ° of chamferings.Top 1 with 60 ° of cone angles of tooling assembly 3
Pyramidal structure respectively with 60 ° of chamferings at the inner hole both ends of hollow shaft cooperate realize product orientation, utilize pulling claw 4 pulling force increase
Add the frictional force between three to reach maximum value, realize the purpose of clamping, to carry out gear hobbing, turning, cylindrical grinding or mill
A series of process such as tooth.
The utility model is using steps are as follows:
Step 1: top the 1 of boss pull ring 12 will be had, be fixed on lathe upper saddle and correct the revolution of top taper
Precision (usually within 0.003) simultaneously fastens.
Step 2: the tooling assembly 3 of pulling claw 4 will be had, be fixed on lathe upper table or main shaft simultaneously 60 ° of correcting tool
The rotating accuracy (usually within 0.003) of taper simultaneously fastens.4 end thread of pulling claw of tooling assembly 3 screw-on machine at this time
In the piston of the angling cylinder of bed workbench or main shaft.
Step 3: by 2 sets of hollow shaft on above-mentioned top 1 and taper of the landing to 3 end of tooling assembly is bored with hollow shaft 2
Degree contact, then operating lathe makes top 1 to fall until the root 11 of top 1 60 ° of tapers is contacted with 2 taper of hollow shaft.
Step 4: operation lathe makes the piston of main shaft gyration oil cylinder bounce back, and drives the retraction of pulling claw 4 that top 1 boss is caught to draw
Ring 12 continues to bounce back, and until specified pulling force, the pressing force between product and tooling is had reached the maximum at this time, to realize
Following process.
After processing is completed, angling cylinder piston is released, top, taking-up product is promoted, it is very convenient.
The utility model is using machining benchmark and detection datum coincidence, and the accuracy of manufacture is high after processing, while efficiency is substantially
It is promoted.Realize that product is fixed using the cooperation between tooling assembly and 60 ° of top tapers and 60 ° of tapers of benchmark of hollow shaft
Position increases the frictional force between three using the pulling force of pulling claw and reaches maximum value, realizes the purpose of clamping.All outer circles of hollow shaft
There is no any interferences, it is possible to which clamped one time completes all process steps, very high multistep process machining accuracy, can be used for
The tooth Profile Machining of hollow shaft, Excircle machining and the primary completion of end face processing.Structure is very succinct, and manufacturing cost is low.
Claims (10)
1. hollow shaft high-precision Double Tops clamping device, including the tooling assembly being fixed on platen or main shaft and and tooling
Assembly is matched for clamping tightly the top of hollow shaft, it is characterised in that: the tooling assembly has type chamber, and intracavitary be provided with of the type can axis
To mobile pulling claw, top pass through after hollow shaft protrudes into type chamber is arranged by pulling claw tension, top at this time equal with tooling assembly
Hollow shaft is clamped after contacting with the end of hollow shaft.
2. hollow shaft high-precision Double Tops clamping device according to claim 1, it is characterised in that: it is described it is top have and sky
The root of the end face contact of mandrel, the root are the pyramidal structure of 60 ° of cone angles.
3. hollow shaft high-precision Double Tops clamping device according to claim 1 or 2, it is characterised in that: the top end
Portion is equipped with the boss pull ring tensed with pulling claw cooperation.
4. hollow shaft high-precision Double Tops clamping device according to claim 1, it is characterised in that: the end of the tooling assembly
Portion is the pyramidal structure of 60 ° of cone angles.
5. hollow shaft high-precision Double Tops clamping device according to claim 1,2 or 4, it is characterised in that: the hollow shaft
Inner hole both ends be equipped with 60 ° of chamferings.
6. hollow shaft high-precision Double Tops clamping device according to claim 1, it is characterised in that: the protrusion work of the pulling claw
The end of dress assembly is connect with the piston of the angling cylinder on platen or main shaft.
7. hollow shaft high-precision Double Tops clamping device according to claim 1, it is characterised in that: set on the tooling assembly
There is the locating part for preventing pulling claw from taking off release chamber.
8. hollow shaft high-precision Double Tops clamping device according to claim 7, it is characterised in that: the locating part is a spiral shell
Bolt, the end of the bolt pass through tooling assembly and are located in the groove on pulling claw surface.
9. hollow shaft high-precision Double Tops clamping device according to claim 1, it is characterised in that: the type is intracavitary to be provided with
Reduce the taper annular groove of pulling claw diameter.
10. hollow shaft high-precision Double Tops clamping device according to claim 9, it is characterised in that: the crawl of the pulling claw
End offers multiple open slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820950040.6U CN208483546U (en) | 2018-06-20 | 2018-06-20 | Hollow shaft high-precision Double Tops clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820950040.6U CN208483546U (en) | 2018-06-20 | 2018-06-20 | Hollow shaft high-precision Double Tops clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208483546U true CN208483546U (en) | 2019-02-12 |
Family
ID=65248012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820950040.6U Active CN208483546U (en) | 2018-06-20 | 2018-06-20 | Hollow shaft high-precision Double Tops clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208483546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531225A (en) * | 2020-05-25 | 2020-08-14 | 烟台力凯数控科技有限公司 | Roller slotting method |
| CN118046013A (en) * | 2024-03-06 | 2024-05-17 | 南京汇达机械设备有限公司 | Gear box hollow shaft machining device |
-
2018
- 2018-06-20 CN CN201820950040.6U patent/CN208483546U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531225A (en) * | 2020-05-25 | 2020-08-14 | 烟台力凯数控科技有限公司 | Roller slotting method |
| CN118046013A (en) * | 2024-03-06 | 2024-05-17 | 南京汇达机械设备有限公司 | Gear box hollow shaft machining device |
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