CN201257602Y - Gripper for milling external circumference - Google Patents
Gripper for milling external circumference Download PDFInfo
- Publication number
- CN201257602Y CN201257602Y CNU2008200388430U CN200820038843U CN201257602Y CN 201257602 Y CN201257602 Y CN 201257602Y CN U2008200388430 U CNU2008200388430 U CN U2008200388430U CN 200820038843 U CN200820038843 U CN 200820038843U CN 201257602 Y CN201257602 Y CN 201257602Y
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- oil
- lifting
- piston
- oil pocket
- wall
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- Expired - Lifetime
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Abstract
The utility model discloses a jig used for milling an outer circumference, which can accomplish the milling shape process by only clamping one time, and comprises a base. A barrel body and a driving device for driving a rotating shaft in the inner cavity of the barrel body to be rotated are arranged on the base; an upper cover is arranged on the barrel body; a lifting oil chamber is arranged at the top part of the rotating shaft; a transitional shaft movably which penetrates the upper end is fixed with the rotating shaft; an upper oil hole and a lower oil hole are respectively formed at the upper part and the lower part on the wall of the lifting oil chamber; an ring-shaped upper oil groove and an ring-shaped lower oil groove are formed on the inner wall of the barrel body; an upper oil inlet and outlet passage and a lower oil inlet and outlet oil passage which respectively penetrate the upper oil groove and the lower oil groove are arranged on the wall of the barrel body; and an upper oil port and a lower oil port are respectively arranged outside the upper oil inlet and outlet passage and the lower oil inlet and outlet oil passage. A bracket and an expansion sleeve are sleeved on the transitional shaft in sequence, a pull rod which movably penetrates the expansion sleeve and the transitional shaft is fixed with a lifting piston, and a taper expansion head matched with the expansion sleeve is arranged at the top part of the pull rod. The jig greatly improves the milling precision and the milling efficiency.
Description
Technical field
The utility model relates to a kind of anchor clamps, refers 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.
The utility model content
A technical problem to be solved in the utility model 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 adopted in the utility model 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 beneficial effects of the utility model are: this structure of the present utility model, 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 utility model;
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 utility model in detail.
As Fig. 1, shown in Figure 2, the anchor clamps that are used for milling excircle described in the utility model, 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 utility model 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 utility model, 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 |
|---|---|---|---|
| CNU2008200388430U CN201257602Y (en) | 2008-07-29 | 2008-07-29 | Gripper for milling external circumference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200388430U CN201257602Y (en) | 2008-07-29 | 2008-07-29 | Gripper for milling external circumference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201257602Y true CN201257602Y (en) | 2009-06-17 |
Family
ID=40771832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200388430U Expired - Lifetime CN201257602Y (en) | 2008-07-29 | 2008-07-29 | Gripper for milling external circumference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201257602Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273421A (en) * | 2013-04-28 | 2013-09-04 | 南安市伟峰机械制造有限公司 | Buckling device of thin plate pressing device |
-
2008
- 2008-07-29 CN CNU2008200388430U patent/CN201257602Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273421A (en) * | 2013-04-28 | 2013-09-04 | 南安市伟峰机械制造有限公司 | Buckling device of thin plate pressing device |
| CN103273421B (en) * | 2013-04-28 | 2016-01-06 | 南安市伟峰机械制造有限公司 | The tightening device of thin plate hold down gag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090617 Effective date of abandoning: 20080729 |