CN204646846U - A kind of double-stroke angling cylinder - Google Patents
A kind of double-stroke angling cylinder Download PDFInfo
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- CN204646846U CN204646846U CN201420797134.6U CN201420797134U CN204646846U CN 204646846 U CN204646846 U CN 204646846U CN 201420797134 U CN201420797134 U CN 201420797134U CN 204646846 U CN204646846 U CN 204646846U
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Abstract
The utility model relates to a kind of angling cylinder, and especially a kind of double-stroke angling cylinder, belongs to the technical field of numerical control machine tool.According to the technological scheme that the utility model provides, described double-stroke angling cylinder, comprise cylinder body and be positioned at the cylinder cap of end, described cylinder body one end, the other end of described cylinder body is provided with valve rod; Large piston cavity and small piston chamber is formed by chamber isolating plate in described cylinder body; In described large piston cavity, arrange the large piston coaxially distributed with cylinder body, described large piston has the large piston rod distributed with described large piston coaxial, and described large piston rod passes outside cylinder cap; Arranging with cylinder body and large piston in small piston chamber is the coaxial small piston distributed, and the small piston rod of described small piston penetrates in large piston rod through after the isolating plate of chamber; The utility model compact structure, can provide the power source of two groups of reciprocating slidings, and two power sources are separate, increase work efficiency, safe and reliable.
Description
Technical field
The present invention relates to a kind of angling cylinder, especially a kind of double-stroke angling cylinder, belongs to the technical field of numerical control machine tool.
Background technique
In prior art, angling cylinder is and wedge type power chuck or the matching used rotary motive power source apparatus of other power operated jigs and fixtures, is arranged on machine tool chief axis rear end, exports reciprocating sliding power, drive chuck or clamp workpiece.Common angling cylinder generally only provides the power source of a reciprocating sliding.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of double-stroke angling cylinder, its compact structure, the power source of two groups of reciprocating slidings can be provided, and two power sources are separate, increase work efficiency, safe and reliable.
According to technological scheme provided by the invention, described double-stroke angling cylinder, comprise cylinder body and be positioned at the cylinder cap of end, described cylinder body one end, the other end of described cylinder body is provided with valve rod; Large piston cavity and small piston chamber is formed by chamber isolating plate in described cylinder body; In described large piston cavity, arrange the large piston coaxially distributed with cylinder body, described large piston has the large piston rod distributed with described large piston coaxial, and described large piston rod passes outside cylinder cap; Arranging with cylinder body and large piston in small piston chamber is the coaxial small piston distributed, and the small piston rod of described small piston penetrates in large piston rod through after the isolating plate of chamber;
Cylinder body large reciprocating motion of the pistons oil pipe road and cylinder body small piston to-and-fro motion oil pipe road are set in cylinder body; Valve rod large reciprocating motion of the pistons oil pipe road in cylinder body large reciprocating motion of the pistons oil pipe Lu Nengyu valve rod is communicated with, can drive the to-and-fro motion in large piston cavity of large piston after fuel feeding in cylinder body large reciprocating motion of the pistons oil pipe road and valve rod large reciprocating motion of the pistons oil pipe road; Valve rod small piston to-and-fro motion oil pipe road in cylinder body small piston to-and-fro motion oil pipe Lu Nengyu valve rod is connected, can drive small piston to-and-fro motion in small piston chamber after fuel feeding in cylinder body small piston to-and-fro motion oil pipe road and valve rod small piston oil pipe road.
Described valve rod is provided with oil distributing valve body by bearing, and the end of described oil distributing valve body is provided with valve gap, oil distributing valve body is arranged some filler openings that can be connected with valve rod large reciprocating motion of the pistons oil pipe road, valve rod small piston to-and-fro motion oil pipe road.
Being provided with the vat axis of guide for leading to the to-and-fro motion of large piston in described large piston cavity, in small piston chamber, being provided with the little cylinder axis of guide for leading to the to-and-fro motion of small piston.
Described oil distributing valve body is provided with back oil road, and described back oil road is connected with the oil return overflow hole for oil return overflow in oil distributing valve body.
Filler opening on described oil distributing valve body comprises large piston tension filler opening and large piston unclamps filler opening; Valve rod in valve rod large reciprocating motion of the pistons oil pipe road comprises first piston tension oil duct and first piston unclamps oil duct; Cylinder body in cylinder body large reciprocating motion of the pistons oil pipe road comprises second largest piston tension oil duct and second largest piston unclamps oil duct;
Large piston tension filler opening is strained oil duct by first piston tension oil duct with second largest piston and is connected, and second largest piston tension oil duct is moved near the direction of small piston so that oil pressure can be made to promote large piston by the cylinder cap oil input channel on cylinder cap in large piston cavity;
Large piston unclamps filler opening and unclamps oil duct by first piston and unclamp oil duct with second largest piston and be connected, and can promote large piston move to the direction away from large piston in large piston cavity can make oil pressure.
Filler opening on described oil distributing valve body comprises small piston tension filler opening and small piston unclamps filler opening; Valve rod small piston to-and-fro motion oil pipe road in valve rod comprises the first small piston tension oil duct and the first small piston unclamps oil duct; Cylinder body small piston to-and-fro motion oil pipe road in cylinder body comprises the second small piston tension oil duct;
Small piston tension filler opening is strained oil duct by the first small piston tension oil duct with the second small piston and is connected, and can promote small piston move to the direction away from large piston in small piston chamber can make oil pressure; Small piston unclamps filler opening and unclamps oil duct with the first small piston and be connected, and promotes small piston move near the direction of large piston in small piston chamber can make oil pressure.
Be provided with large piston packing between the inwall of described large piston and cylinder body, between the inwall of small piston and cylinder body, be provided with small piston seal ring.
Advantage of the present invention: form large piston cavity and small piston chamber in cylinder body, the to-and-fro motion in large piston cavity of large piston forms a power source, and small piston to-and-fro motion in small piston chamber forms another power source, and two power sources are separate, can increase work efficiency, safe and reliable.
Accompanying drawing explanation
Fig. 1 is stereogram of the present invention.
Fig. 2 is sectional view of the present invention.
Fig. 3 is the mark schematic diagram that the present invention carries out A-A and analyses and observe.
Fig. 4 is that the A-A of Fig. 3 is to sectional view.
Fig. 5 is the mark schematic diagram that the present invention carries out B-B and analyses and observe.
Fig. 6 is that the B-B of Fig. 5 is to sectional view.
Fig. 7 is the mark schematic diagram that the present invention carries out C-C and analyses and observe.
Fig. 8 is that the C-C of Fig. 7 is to sectional view.
Description of reference numerals: 1-cylinder body, 2-cylinder cap, the large piston of 3-, the 4-vat axis of guide, 5-small piston, the little cylinder axis of guide of-6-, 7-valve rod, 8-oil distributing valve body, 9-valve gap, 10-bearing, 11-back oil road, 12-oil return overflow hole, 13-large piston tension filler opening, 14-first piston tension oil duct, 15-second largest piston tension oil duct, 16-the third-largest piston tension oil duct, 17-bearing pin, 18-is large, and piston unclamps filler opening, the first piston of 19-unclamps oil duct, the second largest piston of 20-unclamps oil duct, the large piston cavity of 21-, 22-small piston chamber, 23-small piston tension filler opening, 24-small piston unclamps filler opening, 25-first small piston tension oil duct, the second largest piston of 26-unclamps oil duct, 27-first small piston unclamps oil duct, the large piston rod of 28-, 29-chamber isolating plate and 30-small piston rod.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As depicted in figs. 1 and 2: in order to provide the power source of two groups of reciprocating slidings, and two power sources are separate, increase work efficiency, and the present invention includes cylinder body 1 and be positioned at the cylinder cap 2 of end, described cylinder body 1 one end, the other end of described cylinder body 1 is provided with valve rod 7; Large piston cavity 21 and small piston chamber 22 is formed by chamber isolating plate 29 in described cylinder body 1; In described large piston cavity 21, arrange the large piston 3 that distribute coaxial with cylinder body 1, described large piston 3 has the large piston rod 28 that distribute coaxial with described large piston 3, and described large piston rod 28 passes outside cylinder cap 2; Arranging with cylinder body 1 and large piston 3 in small piston chamber 22 is the coaxial small piston 5 distributed, and the small piston rod 29 of described small piston 5 penetrates in large piston rod 28 through after chamber isolating plate 29;
Cylinder body large reciprocating motion of the pistons oil pipe road and cylinder body small piston to-and-fro motion oil pipe road are set in cylinder body 1; Valve rod large reciprocating motion of the pistons oil pipe road in cylinder body large reciprocating motion of the pistons oil pipe Lu Nengyu valve rod 7 is communicated with, can drive the to-and-fro motion in large piston cavity 21 of large piston 3 after fuel feeding in cylinder body large reciprocating motion of the pistons oil pipe road and valve rod large reciprocating motion of the pistons oil pipe road; Valve rod small piston to-and-fro motion oil pipe road in cylinder body small piston to-and-fro motion oil pipe Lu Nengyu valve rod 7 is connected, can drive small piston 5 to-and-fro motion in small piston chamber 22 after fuel feeding in cylinder body small piston to-and-fro motion oil pipe road and valve rod small piston oil pipe road.
Particularly, cylinder cap 2 is fixed on the end of cylinder body 1 by bearing pin 17, chamber isolating plate 29 will be separated to form large piston cavity 21 and small piston chamber 22 in cylinder body 1, wherein, large piston cavity 21 is between small piston chamber 22 and cylinder cap 2, namely the space between chamber isolating plate 29 and cylinder cap 2 forms large piston cavity 21, and the space between chamber isolating plate 29 and valve rod 7 forms small piston chamber 22.The to-and-fro motion in large piston cavity 21 of large piston 3 forms a power source, and small piston 5 to-and-fro motion in small piston chamber 22 forms another power source, namely obtains two separate power sources.Large piston rod 28 is positioned at the centre area of large piston 3, and namely large piston rod 28 coaxially distributes with large piston 3, and large piston rod 28 stretches out in the centre area of large piston 3, and the external diameter of large piston rod 28 is less than the external diameter of large piston 3.Small piston rod 29 and small piston 5 coaxially distribute, small piston rod 29 also extends on small piston 5, small piston rod 29 stretches in large piston rod 28 through after large piston 3, and small piston rod 29 can be followed the to-and-fro motion of small piston 5 in small piston chamber 22 and move in large piston rod 28.
Be provided with large piston packing between the inwall of described large piston 3 and cylinder body 1, between the inwall of small piston 5 and cylinder body 1, be provided with small piston seal ring.In addition, between small piston rod 29 and chamber isolating plate 29, be provided with seal ring, between small piston rod 29 and large piston 3, be equipped with seal ring between large piston rod 28 and cylinder cap 2, to improve the sealability of oil circuit.
Described valve rod 7 is provided with oil distributing valve body 8 by bearing 10, and the end of described oil distributing valve body 8 is provided with valve gap 9, oil distributing valve body 8 is arranged some filler openings that can be connected with valve rod large reciprocating motion of the pistons oil pipe road, valve rod small piston to-and-fro motion oil pipe road.
In the embodiment of the present invention, valve rod 7 is fixed by screws in the end of cylinder body 1, being provided with the vat axis of guide 4 for leading to the to-and-fro motion of large piston 3 in described large piston cavity 21, in small piston chamber 22, being provided with the little cylinder axis of guide 6 for leading to the to-and-fro motion of small piston 5.The vat axis of guide 4 is positioned at large piston cavity 21, and the little cylinder axis of guide 6 is positioned at small piston chamber 22, and the vat axis of guide 4, the little cylinder axis of guide 6 parallel with large piston rod 28 and small piston rod 29.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the filler opening on oil distributing valve body 8 comprises large piston tension filler opening 13 and large piston unclamps filler opening 18; Valve rod in valve rod 7 large reciprocating motion of the pistons oil pipe road comprises first piston tension oil duct 14 and first piston unclamps oil duct 19; Cylinder body in cylinder body 1 large reciprocating motion of the pistons oil pipe road comprises second largest piston tension oil duct 15 and second largest piston unclamps oil duct 20;
Large piston tension filler opening 13 is strained oil duct 15 by first piston tension oil duct 14 with second largest piston and is connected, and second largest piston tension oil duct 15 is moved near the direction of small piston 5 so that oil pressure can be made to promote large piston 3 by the cylinder cap oil input channel on cylinder cap 2 in large piston cavity 21;
Large piston unclamps filler opening 18 and unclamps oil duct 19 by first piston and unclamp oil duct 20 with second largest piston and be connected, and can promote large piston 3 move to the direction away from large piston 5 in large piston cavity 21 can make oil pressure.
In the embodiment of the present invention, move near small piston 5 direction in large piston cavity 21 when large piston 3 will be driven, during to realize cinching process, as the I path in Fig. 4, need in valve rod 7, to inject high pressure oil by large piston tension filler opening 13, inject the oil of large piston tension filler opening 13 by first piston tension oil duct 14, second largest piston tension oil duct 15 and the third-largest piston tension oil duct 16 enter the cylinder chamber, right side of large piston 3, at large piston 3 to when realizing tension near the motion of the direction of small piston 5, on the right side of large piston 3, the oil pressure in cylinder chamber exists all the time, terminate until large piston 3 is strained.Second largest piston tension oil duct 15 is positioned at the inwall of cylinder body 1, and second largest piston tension oil duct 15 adapts in the shape of cylinder body 1 with cylinder body 1.
When needing to drive small piston 3 to move to the direction away from small piston 5 in large piston cavity 21, during to realize release process, when needing to be unclamped by large piston, as the II path in Fig. 6, need to unclamp filler opening 18 by large piston and inject high pressure oil in valve rod 7, inject large piston to unclamp in filler opening 18 oil and unclamp oil duct 19 and second largest piston by first piston and unclamp oil duct 20 and enter in large piston cavity 21, unclamp to the direction motion realization away from small piston 5 in large piston cavity 21 to promote large piston 3.
As shown in Figure 7 and Figure 8, the filler opening on described oil distributing valve body 8 comprises small piston tension filler opening 23 and small piston unclamps filler opening 24; Valve rod small piston to-and-fro motion oil pipe road in valve rod 7 comprises the first small piston tension oil duct 25 and the first small piston unclamps oil duct 27; Cylinder body small piston to-and-fro motion oil pipe road in cylinder body 1 comprises the second small piston tension oil duct 26;
Small piston tension filler opening 23 is strained oil duct 26 by the first small piston tension oil duct 25 with the second small piston and is connected, and can promote small piston 5 move to the direction away from large piston 3 in small piston chamber 22 can make oil pressure; Small piston unclamps filler opening 24 and unclamps oil duct 27 with the first small piston and be connected, and promotes small piston 5 move near the direction of large piston 3 in small piston chamber 22 can make oil pressure.
In the embodiment of the present invention, the first small piston unclamps oil duct 27 and can directly be connected with small piston chamber 22, and is positioned at the left side of small piston 5.When small piston 5 moves to the direction away from large piston 3 in small piston chamber 22, realize cinching process, the path as shown in III in Fig. 8; When small piston 5 moves to the direction of close large piston 3 in small piston chamber 22, realize release process, the path as shown in Fig. 8 IV.
Described oil distributing valve body 8 is provided with back oil road 11, and described back oil road 11 is connected with the oil return overflow hole 12 for oil return overflow in oil distributing valve body 8.No matter be drive the to-and-fro motion of large piston 3 or drive the to-and-fro motion of small piston 5, the unnecessary high pressure oil injected by oil distributing valve body 8 is all overflowed outside oil distributing valve body 8 by back oil road 11 and oil return overflow hole 12.
The present invention forms large piston cavity 21 and small piston chamber 22 in cylinder body 1, the to-and-fro motion in large piston cavity 21 of large piston 3 forms a power source, and small piston 5 to-and-fro motion in small piston chamber 22 forms another power source, and two power sources are separate, can increase work efficiency, safe and reliable.
Claims (7)
1. a double-stroke angling cylinder, comprise cylinder body (1) and be positioned at the cylinder cap (2) of described cylinder body (1) end, one end, the other end of described cylinder body (1) is provided with valve rod (7); It is characterized in that: in described cylinder body (1), form large piston cavity (21) and small piston chamber (22) by chamber isolating plate (29); In described large piston cavity (21), arrange the large piston (3) that distribute coaxial with cylinder body (1), described large piston (3) has the coaxial large piston rod (28) distributed with described large piston (3), and described large piston rod (28) passes cylinder cap (2) outward; Arranging with cylinder body (1) and large piston (3) in small piston chamber (22) is the coaxial small piston (5) distributed, and the small piston rod (29) of described small piston (5) is through penetrating in large piston rod (28) after chamber isolating plate (29);
Cylinder body large reciprocating motion of the pistons oil pipe road and cylinder body small piston to-and-fro motion oil pipe road are set in cylinder body (1); Valve rod large reciprocating motion of the pistons oil pipe road in cylinder body large reciprocating motion of the pistons oil pipe Lu Nengyu valve rod (7) is communicated with, can drive large piston (3) to-and-fro motion in large piston cavity (21) after fuel feeding in cylinder body large reciprocating motion of the pistons oil pipe road and valve rod large reciprocating motion of the pistons oil pipe road; Valve rod small piston to-and-fro motion oil pipe road in cylinder body small piston to-and-fro motion oil pipe Lu Nengyu valve rod (7) is connected, can drive small piston (5) to-and-fro motion in small piston chamber (22) after fuel feeding in cylinder body small piston to-and-fro motion oil pipe road and valve rod small piston oil pipe road.
2. double-stroke angling cylinder according to claim 1, it is characterized in that: described valve rod (7) is provided with oil distributing valve body (8) by bearing (10), the end of described oil distributing valve body (8) is provided with valve gap (9), oil distributing valve body (8) is arranged some filler openings that can be connected with valve rod large reciprocating motion of the pistons oil pipe road, valve rod small piston to-and-fro motion oil pipe road.
3. double-stroke angling cylinder according to claim 1, it is characterized in that: in described large piston cavity (21), be provided with the vat axis of guide (4) for leading to the to-and-fro motion of large piston (3), in small piston chamber (22), being provided with the little cylinder axis of guide (6) for leading to the to-and-fro motion of small piston (5).
4. double-stroke angling cylinder according to claim 2, is characterized in that: described oil distributing valve body (8) is provided with back oil road (11), and described back oil road (11) is connected with the oil return overflow hole (12) for oil return overflow in oil distributing valve body (8).
5. double-stroke angling cylinder according to claim 2, is characterized in that: the filler opening on described oil distributing valve body (8) comprises large piston tension filler opening (13) and large piston unclamps filler opening (18); Valve rod large reciprocating motion of the pistons oil pipe road in valve rod (7) comprises first piston tension oil duct (14) and first piston unclamps oil duct (19); Cylinder body large reciprocating motion of the pistons oil pipe road in cylinder body (1) comprises second largest piston tension oil duct (15) and second largest piston unclamps oil duct (20);
Large piston tension filler opening (13) is strained oil duct (15) by first piston tension oil duct (14) with second largest piston and is connected, and second largest piston tension oil duct (15) is moved near the direction of small piston (5) in large piston cavity (21) introversion so that oil pressure can be made to promote large piston (3) by the cylinder cap oil input channel on cylinder cap (2);
Large piston unclamps filler opening (18) and unclamps oil duct (19) by first piston and unclamp oil duct (20) with second largest piston and be connected, and can promote large piston (3) move away from the direction of large piston (5) in large piston cavity (21) introversion can make oil pressure.
6. double-stroke angling cylinder according to claim 2, is characterized in that: the filler opening on described oil distributing valve body (8) comprises small piston tension filler opening (23) and small piston unclamps filler opening (24); Valve rod small piston to-and-fro motion oil pipe road in valve rod (7) comprises the first small piston tension oil duct (25) and the first small piston unclamps oil duct (27); Cylinder body small piston to-and-fro motion oil pipe road in cylinder body (1) comprises the second small piston tension oil duct (26);
Small piston tension filler opening (23) is strained oil duct (26) by the first small piston tension oil duct (25) with the second small piston and is connected, and can promote small piston (5) move away from the direction of large piston (3) in small piston chamber (22) introversion can make oil pressure; Small piston unclamps filler opening (24) and unclamps oil duct (27) with the first small piston and be connected, and promotes small piston (5) move near the direction of large piston (3) in small piston chamber (22) introversion can make oil pressure.
7. double-stroke angling cylinder according to claim 1, is characterized in that: be provided with large piston packing between the inwall of described large piston (3) and cylinder body (1), be provided with small piston seal ring between the inwall of small piston (5) and cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797134.6U CN204646846U (en) | 2014-12-15 | 2014-12-15 | A kind of double-stroke angling cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797134.6U CN204646846U (en) | 2014-12-15 | 2014-12-15 | A kind of double-stroke angling cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN204646846U true CN204646846U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420797134.6U Expired - Fee Related CN204646846U (en) | 2014-12-15 | 2014-12-15 | A kind of double-stroke angling cylinder |
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| Country | Link |
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| CN (1) | CN204646846U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500487A (en) * | 2014-12-15 | 2015-04-08 | 江苏无锡建华机床附件集团有限公司 | Double-stroke rotating oil cylinder |
| CN108533569A (en) * | 2018-06-28 | 2018-09-14 | 玉环广越机械有限公司 | A kind of angling cylinder with pressure holding function |
| CN108827708A (en) * | 2018-06-20 | 2018-11-16 | 苏州盖德精细材料有限公司 | A kind of reaction kettle sampler |
| CN111152040A (en) * | 2020-02-28 | 2020-05-15 | 重庆机床(集团)有限责任公司 | Novel tensioning structure of oil cylinder of workbench |
-
2014
- 2014-12-15 CN CN201420797134.6U patent/CN204646846U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500487A (en) * | 2014-12-15 | 2015-04-08 | 江苏无锡建华机床附件集团有限公司 | Double-stroke rotating oil cylinder |
| CN108827708A (en) * | 2018-06-20 | 2018-11-16 | 苏州盖德精细材料有限公司 | A kind of reaction kettle sampler |
| CN108827708B (en) * | 2018-06-20 | 2020-09-01 | 苏州盖德精细材料有限公司 | Reation kettle sampling device |
| CN108533569A (en) * | 2018-06-28 | 2018-09-14 | 玉环广越机械有限公司 | A kind of angling cylinder with pressure holding function |
| CN108533569B (en) * | 2018-06-28 | 2023-11-14 | 玉环广越机械有限公司 | Rotary oil cylinder with pressure maintaining function |
| CN111152040A (en) * | 2020-02-28 | 2020-05-15 | 重庆机床(集团)有限责任公司 | Novel tensioning structure of oil cylinder of workbench |
| CN111152040B (en) * | 2020-02-28 | 2024-05-31 | 重庆机床(集团)有限责任公司 | Novel workbench oil cylinder tensioning structure |
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Granted publication date: 20150916 Termination date: 20171215 |
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