CN101332565B - Clamp for milling excircle - Google Patents
Clamp for milling excircle Download PDFInfo
- Publication number
- CN101332565B CN101332565B CN2008100215436A CN200810021543A CN101332565B CN 101332565 B CN101332565 B CN 101332565B CN 2008100215436 A CN2008100215436 A CN 2008100215436A CN 200810021543 A CN200810021543 A CN 200810021543A CN 101332565 B CN101332565 B CN 101332565B
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- lifting
- piston
- oil pocket
- oil
- base
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Abstract
The invention discloses a clamp which is used for milling the outer circumference and can finish the milling and molding by once clamping; the clamp comprises a base; the base is provided with a cylinder and a drive unit for driving a transmission shaft in an inner cavity of the cylinder to rotate; the cylinder is provided with an upper cover; the top of the transmission shaft is provided with a lifting oil cavity; a transition shaft which is movably arranged to penetrate the upper end is fixed with the transmission shaft; the upper and lower parts of the lifting oil cavity are respectively provided with an upper and a lower oil holes; the inner wall of the cylinder is provided with an annular upper and lower oil grooves; the cylinder wall is provided with an upper and a lower oil inlet and outlet channels respectively running through the upper and lower oil grooves; the outward openings of the upper and lower inlet and outlet channels are respectively provided with an upper and a lower oil ports; the transition shaft is sequentially sheathed with a support and a expanding sleeve; a tension rod which is movably arranged to penetrate the expanding sleeve and the transition shaft is fixed with a lifting piston; and the top of the tension rod is provided with a tapered expansion joint which adapts to the expanding sleeve. The clamp of the invention greatly improves the milling precision and efficiency.
Description
Technical field
The present invention relates to a kind of anchor clamps, refer more particularly to the anchor clamps that are used for milling excircle.
Background technology
At present, when ratchet spanner is carried out 270 ° of excircle millings, can only workpiece be fixed on the workbench, and in the excircle milling process of finishing ratchet spanner, need carry out multiple clamping ratchet spanner with instruments such as pressing plate and bolts.Use this comparatively original manual clamping method, in to ratchet spanner multiple clamping process, because the position difference of each clamping workpiece, after making that each clamping is finished, all necessary tool setting makes that processing is more loaded down with trivial details, machining accuracy is difficult to guarantee that working (machining) efficiency is extremely low.
Summary of the invention
A technical problem to be solved by this invention is: provide an a kind of clamping just can finish the anchor clamps that are used for milling excircle of milling moulding.
For solving the problems of the technologies described above, the technical solution used in the present invention is: the anchor clamps that are used for milling excircle, comprise: base, base is provided with cylindrical shell and drives the drive unit that the turning cylinder in the cylinder lumen rotates, cylindrical shell is provided with loam cake, the top of turning cylinder offers the lifting oil pocket, the lifting piston that is movably arranged in the lifting oil pocket is divided into the lifting oil pocket, lower oil cavitie, be provided with the lifting sealing ring between the sidewall of lifting piston and the lifting oil pocket wall, transition axis and turning cylinder that activity is located in the upper end fix, the sealing-plug that is arranged on the transition axis bottom embeds in the lifting oil pocket, and be provided with plug sealing ring between sealing-plug and the lifting oil pocket wall, on the lifting oil pocket wall, the bottom offers respectively, following oilhole, offer on the inwall of cylindrical shell the annular respectively with last, on following oilhole is corresponding, following oil groove, offer on the barrel wall respectively with last, in the following oil groove perforation, under pass in and out oil duct, on, under pass in and out the outside opening part of oil duct and be respectively arranged with, following hydraulic fluid port, be provided with three road tube sealing rings between the inwall of cylindrical shell and the outer wall of turning cylinder, lay respectively at the top of finishing bathtray and last, between the following oil groove and the below of following oil groove; Be arranged with support and expansion set on the described transition axis successively, pull bar and lifting piston that activity is located in expansion set and the transition axis fix, and the top of pull bar is provided with the bloated head of the taper that matches with expansion set.
The concrete structure of described drive unit is: be provided with the base intracavity that communicates with cylinder lumen in the base, be provided with left piston and right piston in the base intracavity, a left side, right piston is divided into left oil pocket with base intracavity, no oil pocket and right oil pocket, also be provided with on the base respectively and a left side, the left side that right oil pocket communicates, right oil port, a left side, be provided with the translation sealing ring between the sidewall of right piston and the base intracavity wall, on a left side, be provided with connecting rod between the right piston, left piston is provided with piston rod, piston rod passes the bottom inner chamber, and be provided with collision block in its end, the lower end of described turning cylinder is provided with gear shaft, gear shaft is provided with gear, and gear is arranged in no oil pocket, and be meshed with the tooth bar that is arranged on the connecting rod bottom.
Offer lead-in cavity in the described sealing-plug, the guiding boss that is arranged on the lifting piston top stretches in the lead-in cavity.
The invention has the beneficial effects as follows: this structure of the present invention, make workpiece clamping with draw off very convenient, shortened the lay day greatly, and clamping just can be finished the milling of outer circumference surface on workpiece, thereby saved the repeatedly trouble of tool setting, and realized milling automatic, improved machining accuracy and efficient.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present invention;
Fig. 2 is the sectional structure schematic diagram of the right apparent direction of Fig. 1;
Fig. 3 is the sectional structure schematic diagram of overlooking direction of Fig. 1;
Among Fig. 1 to Fig. 3: 1, base, 2, cylindrical shell, 4, turning cylinder, 41, gear shaft, 42, gear, 42, bearing, 5, transition axis, 51, sealing-plug, 52, bearing, 6, support, 7, expansion set, 8, pull bar, 81, bloated head, 9, lifting piston, 91, the guiding boss, 10, right end cap, 11, connecting rod, 12, left end cap, 13, lower cover, 14, loam cake, 15, left oil port, 16, right oil port, 17, last hydraulic fluid port, 18, following hydraulic fluid port, 21, left side oil pocket, 22, no oil pocket, 23, right oil pocket, 24, left piston, 25, right piston, 26, piston rod, 27, collision block, 28, tooth bar, 100, workpiece, 101, milling cutter.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail.
As Fig. 1, shown in Figure 2, the anchor clamps that are used for milling excircle of the present invention, comprise: base 1, base 1 is provided with cylindrical shell 2 and drives the drive unit that the turning cylinder 4 in cylindrical shell 2 inner chambers rotates, cylindrical shell 2 is provided with loam cake 14, the top of turning cylinder 4 offers the lifting oil pocket, the lifting piston 9 that is movably arranged in the lifting oil pocket is divided into the lifting oil pocket, lower oil cavitie, on, lower oil cavitie is dynamic, change in location according to lifting piston 9 changes, be provided with the lifting sealing ring between the sidewall of lifting piston 9 and the lifting oil pocket wall, the transition axis 5 that activity is located in the upper end 14 fixes with turning cylinder 4, the sealing-plug 51 that is arranged on transition axis 5 bottoms embeds in the lifting oil pocket, and be provided with plug sealing ring between sealing-plug 51 and the lifting oil pocket wall, the concrete set-up mode of plug sealing ring is: offer the plug seal groove on the outer wall of sealing-plug 51, plug sealing ring is arranged in the plug seal groove; On the lifting oil pocket wall, the bottom offers respectively, following oilhole, offer on the inwall of cylindrical shell 2 annular respectively with last, on following oilhole is corresponding, following oil groove, offer on the barrel wall respectively with last, in the following oil groove perforation, under pass in and out oil duct, on, under pass in and out the outside opening part of oil duct and be respectively arranged with, following hydraulic fluid port 17 and 18, be provided with three road tube sealing rings between the outer wall of the inwall of cylindrical shell 2 and turning cylinder 4, lay respectively at the top of finishing bathtray and last, between the following oil groove and the below of following oil groove, its concrete set-up mode is: on described cylindrical shell 2 inwalls above the finishing bathtray and on, between the following oil groove and the below of following oil groove offers a seal groove respectively, and described tube sealing ring is arranged in the seal groove; Be arranged with support 6 and expansion set 7 on the described transition axis 5 successively, the pull bar 8 that activity is located in expansion set 7 and the transition axis 5 fixes with lifting piston 9, and the top of pull bar 8 is provided with bloated 81 of the taper that matches with expansion set 7.In the present embodiment, as shown in Figure 3, the concrete structure of described drive unit is: be provided with the base intracavity that communicates with the inner chamber of cylindrical shell 2 in the base 1, be provided with a left side in the base intracavity, right piston 24 and 25, a left side, right piston 24 and 25 is divided into left oil pocket 21 with base intracavity, no oil pocket 22 and right oil pocket 23, here, left side oil pocket 21, no oil pocket 22 and right oil pocket 23 are dynamic, according to a left side, right piston 24 and 25 change in location and change, a left side, be provided with the translation sealing ring between right piston 24 and 25 sidewall and the base intracavity wall, a left side, link to each other by connecting rod 11 between the right piston 24 and 25, left piston 24 is provided with piston rod 26, piston rod 26 passes the bottom inner chamber, and be provided with collision block 27 in its end, the below of collision block 27 is provided with a left side, the right limit inductor, a left side, the right limit inductor links to each other with oil controller, the left side here, right limit inductor and oil controller are routine techniques; Described turning cylinder 4 lower ends are provided with gear shaft 41, gear 42 is set on the gear shaft 41, the end of gear shaft 41 is arranged on the lower cover 13 that is used for sealed cylinder 2 by suitable the moving of bearing, and gear 42 is arranged in no oil pocket 22 and is meshed with the tooth bar 28 that is arranged on connecting rod 11 bottoms; Offer lead-in cavity in the described sealing-plug 51, the guiding boss 91 that is arranged on lifting piston 9 tops stretches in the lead-in cavity.
The course of work of the present invention is: hydraulic medium advances to go up hydraulic fluid port 17 from following hydraulic fluid port 18 and goes out, make the pull bar 8 that is connected on the lifting piston 9 eject, expansion set 7 bounces back to reset condition, then, workpiece 100 is put into the draw-in groove of expansion set 7 and support 6, hydraulic fluid port 18 goes out to allow hydraulic medium advance down from last hydraulic fluid port 17, make the pull bar 8 that is connected on the lifting piston 9 move down, like this, just clamp-on in the expansion set 7, make expansion set 7 that workpiece 100 is firmly clamped for bloated 81 of pull bar 8 tops; After workpiece 100 clamped, allowing hydraulic medium advance left oil port 15 from right oil port 16 goes out, make connecting rod 11 along with left and right piston 24 and 25 is moved to the left together, tooth bar 28 driven gears 42 on the connecting rod 11 rotate, gear 42 drives turning cylinder 4 by gear shaft 41 and rotates, turning cylinder 4 drives support 6 by transition axis 5 again and expansion set 7 rotates, like this, be clamped in workpiece 100 on the expansion set 7 in and then expansion set 7 rotation processes, the outer circumference surface that is arranged on workpiece 100 rotates milling cutter 101 in the circuit and has just finished milling to the outer circumference surface of workpiece 100.
This structure of the present invention, make workpiece 100 clamping with draw off very convenient, shortened the lay day greatly, and clamping just can be finished the milling of outer circumference surface on workpiece 100, thereby saved the repeatedly trouble of tool setting, and realized milling automatic, improved machining accuracy and efficient.
Claims (3)
1. the anchor clamps that are used for milling excircle, comprise: base, it is characterized in that: base is provided with cylindrical shell and drives the drive unit that the turning cylinder in the cylinder lumen rotates, cylindrical shell is provided with loam cake, the top of turning cylinder offers the lifting oil pocket, the lifting piston that is movably arranged in the lifting oil pocket is divided into the lifting oil pocket, lower oil cavitie, be provided with the lifting sealing ring between the sidewall of lifting piston and the lifting oil pocket wall, transition axis and turning cylinder that activity is located in the upper end fix, the sealing-plug that is arranged on the transition axis bottom embeds in the lifting oil pocket, and be provided with plug sealing ring between sealing-plug and the lifting oil pocket wall, on the lifting oil pocket wall, the bottom offers respectively, following oilhole, offer on the inwall of cylindrical shell the annular respectively with last, on following oilhole is corresponding, following oil groove, offer on the barrel wall respectively with last, in the following oil groove perforation, under pass in and out oil duct, on, under pass in and out the outside opening part of oil duct and be respectively arranged with, following hydraulic fluid port, be provided with three road tube sealing rings between the inwall of cylindrical shell and the outer wall of turning cylinder, lay respectively at the top of finishing bathtray and last, between the following oil groove and the below of following oil groove; Be arranged with support and expansion set on the described transition axis successively, pull bar and lifting piston that activity is located in expansion set and the transition axis fix, and the top of pull bar is provided with the bloated head of the taper that matches with expansion set.
2. anchor clamps as claimed in claim 1, it is characterized in that: the concrete structure of described drive unit is: be provided with the base intracavity that communicates with cylinder lumen in the base, be provided with left piston and right piston in the base intracavity, a left side, right piston is divided into left oil pocket with base intracavity, no oil pocket and right oil pocket, also be provided with on the base respectively and a left side, the left side that right oil pocket communicates, right oil port, a left side, be provided with the translation sealing ring between the sidewall of right piston and the base intracavity wall, on a left side, be provided with connecting rod between the right piston, left piston is provided with piston rod, piston rod passes the bottom inner chamber, and be provided with collision block in its end, the gear shaft that is arranged on the turning cylinder lower end is arranged in no oil pocket, and be meshed with the tooth bar that is arranged on the connecting rod bottom.
3. anchor clamps as claimed in claim 1 or 2 is characterized in that: offer lead-in cavity in the described sealing-plug, the guiding boss that is arranged on the lifting piston top stretches in the lead-in cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100215436A CN101332565B (en) | 2008-07-29 | 2008-07-29 | Clamp for milling excircle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100215436A CN101332565B (en) | 2008-07-29 | 2008-07-29 | Clamp for milling excircle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101332565A CN101332565A (en) | 2008-12-31 |
| CN101332565B true CN101332565B (en) | 2010-08-11 |
Family
ID=40195585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100215436A Expired - Fee Related CN101332565B (en) | 2008-07-29 | 2008-07-29 | Clamp for milling excircle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101332565B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101716729B (en) * | 2009-11-16 | 2011-05-25 | 张家港玉成精机有限公司 | Special fixture for square hole of milling open spanner |
| CN105904339B (en) * | 2016-05-30 | 2018-04-10 | 广州启帆工业机器人有限公司 | A kind of grinding clamp |
| CN108843656B (en) * | 2018-08-23 | 2024-04-12 | 沈阳东北电力调节技术有限公司 | Overload protection device for rotary oil cylinder |
| CN113275418B (en) * | 2021-07-23 | 2021-10-12 | 山东交通职业学院 | Machine tool hydraulic clamping device suitable for machining of machine tool plate |
-
2008
- 2008-07-29 CN CN2008100215436A patent/CN101332565B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101332565A (en) | 2008-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Yiyang Tool Manufacturing Co., Ltd. Assignor: Zhangjiagang Yucheng Precision Machine Co., Ltd. Contract record no.: 2010330001921 Denomination of invention: Clamp for milling excircle Granted publication date: 20100811 License type: Exclusive License Open date: 20081231 Record date: 20100920 |
|
| C56 | Change in the name or address of the patentee |
Owner name: ZHANGJIAGANG YUCHENG PRECISION MECHANISM CO., LTD. Free format text: FORMER NAME: ZHANGJIAGANG YUCHENG PRECISION MACHINE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 215621 Jiangsu province Zhangjiagang Leyu town Mega Tongfu Road No. 1 Patentee after: ZHANGJIAGANG YUCHENG MACHINE CO., LTD. Address before: 215622 Jiangsu city in Zhangjiagang province Fu Le Yu Town Road No. 1 Patentee before: Zhangjiagang Yucheng Precision Machine Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20170729 |