CN114453944B - End face clamp for turning - Google Patents
End face clamp for turning Download PDFInfo
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- CN114453944B CN114453944B CN202210013902.3A CN202210013902A CN114453944B CN 114453944 B CN114453944 B CN 114453944B CN 202210013902 A CN202210013902 A CN 202210013902A CN 114453944 B CN114453944 B CN 114453944B
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- block
- sliding pin
- workpiece
- face
- ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention discloses an end face clamp for turning, which comprises a retainer ring, a plurality of pressing blocks, a pulling block and a plurality of transmission mechanisms, wherein the transmission mechanisms are in one-to-one correspondence with the pressing blocks; the transmission mechanism comprises a lifting block, a sliding pin and a guide block. The beneficial effects of the invention are: the output end of the driving device is connected with the pulling block, the workpiece is placed on the check ring, the pulling block is driven to descend through the driving device, when the pulling block descends, each lifting block is driven to descend, the lifting block drives the corresponding sliding pin to descend, the sliding pin descends in the process of descending, the limiting position of the guide groove is received, the sliding pin can move towards the oblique lower side, all the pressing blocks can move towards the oblique lower side and can be folded inwards, the workpiece can be compressed, the check ring is adopted for the device to support the workpiece, the contact area of the workpiece can be increased, meanwhile, through the transmission mechanism, the lifting motion of the pulling block is converted into the oblique downward folding motion of each pressing block, the workpiece can be conveniently compressed, and the workpiece clamping reliability is greatly improved.
Description
Technical Field
The invention relates to the technical field of turning tool fixtures, in particular to an end face fixture for turning.
Background
Lathe turning needs to use anchor clamps to press from both sides tight work piece, and numerical control lathe turning work piece terminal surface and hole generally use chuck anchor clamps, expand set anchor clamps etc. to press from both sides tight work piece (for example chinese utility model patent of application number CN 201520378286.7) now, but to the work piece (for example ring gear) that the profile is the special-shaped structure a bit, the area of contact that adopts anchor clamps such as chuck anchor clamps, expand set anchor clamps to press from both sides tight special-shaped structure work piece is less, the location is relatively poor, lead to the work piece to be difficult to press from both sides tight alignment and the form and position tolerance of lathe turning work piece is difficult to reach drawing requirement etc..
Disclosure of Invention
In view of the above, there is a need to provide an end surface fixture for turning, which is used to solve the technical problems of small contact area and poor positioning when the conventional end surface fixture for turning is used to clamp a workpiece with a special-shaped structure.
In order to achieve the purpose, the invention provides an end face clamp for turning, which comprises a check ring, a plurality of pressing blocks, a pulling block and a plurality of transmission mechanisms, wherein the transmission mechanisms are in one-to-one correspondence with the pressing blocks;
each pressing block is arranged on the outer side above the retainer ring;
the pull block is coaxially arranged below the retainer ring, and is used for being connected with the output end of the driving device and moving along the axial direction of the retainer ring;
the transmission mechanism comprises a lifting block, a sliding pin and a guide block, the lifting block is fixed on the pulling block, a limit groove is formed in the lifting block, the sliding pin is inserted into the limit groove in a sliding mode, the sliding pin is fixedly connected with the corresponding pressing block, the guide block is fixed on the check ring, a guide groove which is obliquely arranged towards the center of the pulling block is formed in the guide block, and the sliding pin is inserted into the guide groove in a sliding mode.
In some embodiments, the guide block further has an accommodating groove, and the pressing block is slidably disposed in the accommodating groove.
In some embodiments, the end surface clamp for lathe machining further includes a base and a plurality of side plates, one end of each side plate is fixedly connected to the retainer ring, the other end of each side plate is fixedly connected to the base, and the pull block is slidably disposed between the side plates.
In some embodiments, the guide block is fixed to the base.
In some embodiments, the guide block is fixed to the base via a set screw.
In some embodiments, the pull block is provided with a first mounting hole, and the first mounting hole is used for connecting an output end of the driving device.
In some embodiments, the base is provided with a second mounting hole, and the second mounting hole is used for connecting a fixed end of the driving device.
In some embodiments, the lower end of the pressing block is provided with a through hole for the sliding pin to pass through.
In some embodiments, the sliding pin is sleeved with a limit ring, and the limit ring is detachably connected to the sliding pin.
In some embodiments, a clamping groove is formed in the sliding pin, a clamping spring is embedded in the clamping groove, and the clamping spring is abutted to the limiting ring.
Compared with the prior art, the technical scheme provided by the invention has the beneficial effects that: when the device is used, the output end of the driving device is connected with the pulling block, the workpiece is placed on the check ring, then the pulling block is driven to descend through the driving device, when the pulling block descends, each lifting block is driven to descend, the lifting block drives the corresponding sliding pin to descend, the sliding pin descends in the descending process, the sliding pin is limited by the guide groove and can move towards the inclined lower side, each pressing block can move towards the inclined lower side and inwards furl, the workpiece can be compressed, the device adopts the check ring to support the workpiece, the contact area of the workpiece can be increased, meanwhile, the lifting motion of the pulling block is converted into the inclined downward furling motion of each pressing block through the transmission mechanism, the workpiece can be conveniently compressed, and the workpiece clamping reliability is greatly improved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of an end face fixture for lathe work according to the present invention, with a compact in an open state;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 isbase:Sub>A cross-sectional view taken along section A-A of FIG. 3;
FIG. 5 is a schematic view of the turning end face fixture of FIG. 4 without a compact;
FIG. 6 is a schematic structural view of the turning end face clamp of FIG. 4 with the compact in a clamped state;
FIG. 7 is an exploded view of the transmission of FIG. 1;
in the figure: 1-check ring, 2-press block, 21-perforation, 3-pull block, 31-first mounting hole, 4-transmission mechanism, 41-lifting block, 411-limit groove, 42-sliding pin, 43-guide block, 431-guide groove, 432-accommodating groove, 44-limit ring, 45-snap spring, 5-base, 51-fixing screw, 52-second mounting hole and 6-side plate.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Referring to fig. 1 to 7, the present invention provides an end surface fixture for turning, which includes a retainer ring 1, a plurality of press blocks 2, a pull block 3, and a plurality of transmission mechanisms 4 corresponding to the press blocks 2 one by one.
Each pressing block 2 is arranged on the outer side above the retainer ring 1. The pulling block 3 is coaxially arranged below the retainer ring 1, and the pulling block 3 is used for being connected with an output end of a driving device (not shown) and moving along the axial direction of the retainer ring 1. In this embodiment, the driving device is a lathe, and the output end of the driving device is a spindle of the lathe.
The transmission mechanism 4 comprises a lifting block 41, a sliding pin 42 and a guide block 43, the lifting block 41 is fixed on the pull block 3, a limit groove 411 is formed in the lifting block 41, the sliding pin 42 is slidably inserted in the limit groove 411, the sliding pin 42 is fixedly connected with the corresponding press block 2, the guide block 43 is fixed on the retainer ring 1, a guide groove 431 which is obliquely arranged towards the center of the pull block 3 is formed in the guide block 43, and the sliding pin 42 is slidably inserted in the guide groove 431.
When the device is used, the output end of the driving device is connected with the pull block 3, then a workpiece is placed on the check ring 1, then the pull block 3 is driven to descend by the driving device, when the pull block 3 descends, each lifting block 41 is driven to descend, each lifting block 41 drives the corresponding sliding pin 42 to descend, and in the descending process of the sliding pin 42, the sliding pin can move to the inclined lower side due to the limitation of the guide groove 431, so that each press block 2 can move to the inclined lower side and inwards furl (as shown in fig. 6), and the workpiece can be pressed.
In order to improve the stability of the pressing block 2 during the moving process, referring to fig. 1, fig. 2 and fig. 7, in a preferred embodiment, an accommodating groove 432 is further formed on the guide block 43, and the pressing block 2 is slidably disposed in the accommodating groove 432.
In order to improve the stability of the pulling block 3 in the moving process, referring to fig. 1, fig. 2 and fig. 4, in a preferred embodiment, the end surface fixture for lathe machining further includes a base 5 and a plurality of side plates 6, one end of each side plate 6 is fixedly connected to the retainer ring 1, the other end of each side plate 6 is fixedly connected to the base 5, and the pulling block 3 is slidably disposed between the side plates 6.
In order to realize the fixed connection between the guide block 43 and the retaining ring 1, referring to fig. 1 and 2, in a preferred embodiment, the guide block 43 is fixed on the base 5, and since the base 5 is fixedly connected with the retaining ring 1, the guide block 43 is fixedly connected with the retaining ring 1.
In order to realize the fixed connection between the guide block 43 and the base 5, referring to fig. 1 and 2, in a preferred embodiment, the guide block 43 is fixed on the base 5 via a fixing screw 51.
In order to implement the connection between the pulling block 3 and the output end of the driving device, referring to fig. 1 and fig. 2, in a preferred embodiment, a first mounting hole 31 is formed in the pulling block 3, and the first mounting hole 31 is used for connecting the output end of the driving device.
In order to fix the base 5, referring to fig. 1 and fig. 2, in a preferred embodiment, the base 5 is provided with a second mounting hole 52, and the second mounting hole 52 is used for connecting a fixed end of the driving device.
In order to realize the fixed connection between the pressing block 2 and the sliding pin 42, referring to fig. 1 and 2, in a preferred embodiment, the pressing block 2 is provided with through holes 21 at a lower end thereof, and the through holes 21 are used for the sliding pin 42 to pass through.
In order to prevent the sliding pin 42 from falling off, referring to fig. 1, fig. 2 and fig. 7, in a preferred embodiment, a limiting ring 44 is sleeved on the sliding pin 42, the limiting ring 44 is detachably connected to the sliding pin 42, and the sliding pin 42 can be prevented from falling off by arranging the limiting ring 44.
In order to specifically realize that the limit ring 44 is detachably connected to the sliding pin 42, referring to fig. 1, 2 and 7, in a preferred embodiment, a clamping groove is formed in the sliding pin 42, a clamp spring 45 is embedded in the clamping groove, the clamp spring 45 abuts against the limit ring 44, when the sliding pin 42 is installed, the limit ring 44 can be installed on the sliding pin 42, then the clamp spring 45 is installed on the clamping groove, and when the sliding pin 42 needs to be removed, the clamp spring 45 can be removed first, and then the limit ring 44 and the sliding pin 42 are sequentially removed.
For better understanding of the present invention, the working process of the end surface clamp for turning processing provided by the present invention is described in detail below with reference to fig. 1 to 7: when the device is used, the output end of the driving device is connected with the pull block 3, then a workpiece is placed on the check ring 1, then the pull block 3 is driven to descend by the driving device, when the pull block 3 descends, each lifting block 41 is driven to descend, each lifting block 41 drives the corresponding sliding pin 42 to descend, and in the descending process of the sliding pin 42, the sliding pin can move to the inclined lower side due to the limitation of the guide groove 431, so that each press block 2 can move to the inclined lower side and inwards furl (as shown in fig. 6), and the workpiece can be pressed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. An end face clamp for turning is characterized by comprising a retainer ring, a plurality of pressing blocks, a pulling block and a plurality of transmission mechanisms which correspond to the pressing blocks one by one;
each pressing block is arranged on the outer side above the retainer ring;
the pull block is coaxially arranged below the retainer ring, and is used for being connected with the output end of the driving device and moving along the axial direction of the retainer ring;
the transmission mechanism comprises a lifting block, a sliding pin and a guide block, the lifting block is fixed on the pulling block, a limit groove is formed in the lifting block, the sliding pin is inserted into the limit groove in a sliding mode, the sliding pin is fixedly connected with the corresponding pressing block, the guide block is fixed on the check ring, a guide groove which is obliquely arranged towards the center of the pulling block is formed in the guide block, and the sliding pin is inserted into the guide groove in a sliding mode.
2. The end face jig for lathe machining according to claim 1, wherein a housing groove is further formed in the guide block, and the press block is slidably disposed in the housing groove.
3. The end face fixture for lathe machining according to claim 1, further comprising a base and a plurality of side plates, wherein one end of each side plate is fixedly connected with the retainer ring, the other end of each side plate is fixedly connected with the base, and the pull block is slidably disposed between the side plates.
4. The end face jig for lathe machining according to claim 3, wherein the guide block is fixed to the base.
5. The end face jig for lathe machining according to claim 4, wherein the guide block is fixed to the base via a fixing screw.
6. The end face fixture for lathe machining according to claim 1, wherein the pull block is provided with a first mounting hole, and the first mounting hole is used for connecting an output end of a driving device.
7. The end face fixture for turning according to claim 3, wherein the base is provided with a second mounting hole, and the second mounting hole is used for connecting a fixed end of the driving device.
8. The end surface jig for lathe machining according to claim 1, wherein a through hole is opened in a lower end of the press block, and the through hole is used for the slide pin to pass through.
9. The end face fixture for turning according to claim 1, wherein a limit ring is sleeved on the sliding pin, and the limit ring is detachably connected to the sliding pin.
10. The end face clamp for lathe machining according to claim 9, wherein a clamping groove is formed in the sliding pin, a clamping spring is embedded in the clamping groove, and the clamping spring abuts against the limiting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013902.3A CN114453944B (en) | 2022-01-06 | 2022-01-06 | End face clamp for turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013902.3A CN114453944B (en) | 2022-01-06 | 2022-01-06 | End face clamp for turning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114453944A CN114453944A (en) | 2022-05-10 |
| CN114453944B true CN114453944B (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210013902.3A Active CN114453944B (en) | 2022-01-06 | 2022-01-06 | End face clamp for turning |
Country Status (1)
| Country | Link |
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| CN (1) | CN114453944B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0478869A1 (en) * | 1990-10-03 | 1992-04-08 | IWM GmbH | Toolholder clamping device |
| CN107803694A (en) * | 2017-11-30 | 2018-03-16 | 中信戴卡股份有限公司 | A kind of turning attachment for being used to clamp automotive hub |
| CN108296986B (en) * | 2017-12-26 | 2020-02-07 | 武汉协和齿环有限公司 | Synchronizer ring gear inner ring processing composite clamp |
| CN209439795U (en) * | 2019-01-17 | 2019-09-27 | 南京农业大学 | A kind of slow knife servo turning machine fixture |
| CN111468751A (en) * | 2020-03-30 | 2020-07-31 | 深圳市大富科技股份有限公司 | Tensioning clamp |
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2022
- 2022-01-06 CN CN202210013902.3A patent/CN114453944B/en active Active
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| CN114453944A (en) | 2022-05-10 |
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