CN103671345A - Plunger type clamping cylinder with rotary locking function - Google Patents
Plunger type clamping cylinder with rotary locking function Download PDFInfo
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- CN103671345A CN103671345A CN201310702962.7A CN201310702962A CN103671345A CN 103671345 A CN103671345 A CN 103671345A CN 201310702962 A CN201310702962 A CN 201310702962A CN 103671345 A CN103671345 A CN 103671345A
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Abstract
The invention relates to a plunger type clamping cylinder with a rotary locking function. The clamping cylinder comprises a cylinder body and a rotary tip, wherein the cylinder body comprises a cylinder barrel, an end cover is arranged at the rear end of the cylinder barrel, a piston is arranged inside the cylinder barrel, a piston rod is fixedly mounted at the center of the piston, the rear end of the piston rod penetrates out of the center of the end cover, and the rotary tip is mounted at the front end of the piston rod through a bearing. The clamping cylinder is characterized in that a cylinder barrel inner step is arranged on the inner wall of the front end of the cylinder barrel, a piston step is arranged on the periphery of the rear end of the piston, the piston step is matched with the cylinder barrel inner step to limit the travel distance of the piston in the cylinder barrel, a cylinder barrel outer step is arranged on the outer wall of the front end of the cylinder barrel, a flange plate is mounted at the front end of the cylinder barrel in a sleeved mode and is limited through the cylinder barrel outer step, and the flange plate is connected with and fixed to the end cover through a plurality of pulling rods. According to the plunger type clamping cylinder with the rotary locking function, the structural design is reasonable, the structural shearing force and centrifugal force resistance of the device are greatly improved, safety and reliability are achieved, the service life is long, installation cost and maintenance cost are low, production efficiency is improved, and manufacturing cost is saved.
Description
Technical field
The present invention relates on cable frame strand special device for clamping the device with rotatable cable drum, specifically a kind of plunger type band rotational lock clamping cylinder, belongs to the technical field that in cables manufacturing industry, new and high technology is rebuild traditional industry.
Background technique
On existing cable frame strand special device for clamping the device with rotatable cable drum, mainly by common cylinder and armstrong's patent locking mechanism, formed.Job requirement High Rotation Speed due to cable frame strander, cable disk requires high speed rotation, this device also necessarily requires the rotation of can bearing a heavy burden except revolving round the sun, when a cable disk weight reaches 500kg, consequent centrifugal force is very huge, cause the device of existing clamping and rotatable cable drum exist working life short, install difficulty, repair and replacement expense high, etc. series of problems, have a strong impact on the lifting of manufacturing efficiency and the industrial structure, restricted further developing of high-end cables manufacturing industry.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of plunger type band rotational lock clamping cylinder is provided, its reasonable in design, structure shearing force and the centrifugal force resistant ability of device itself promote greatly, safe and reliable, long service life, installation, maintenance, maintenance expenses are low, be conducive to enhance productivity, save manufacture cost.
According to technological scheme provided by the invention: plunger type band rotational lock clamping cylinder, comprises that cylinder and rotation are top; Described cylinder comprises cylinder barrel, in the rear end of cylinder barrel, end cap is set, and piston is set in cylinder barrel, piston center fixed installation piston rod, and piston rod rear end passes from end cap center; Described rotation is top is arranged on piston rod front end by bearing; It is characterized in that: the inwall of described cylinder barrel front end is provided with step in cylinder barrel, described piston rear end portion periphery is provided with piston step, and described piston step coordinates with the interior step of cylinder barrel, the stroke of limited piston in cylinder barrel; The outer wall of described cylinder barrel front end is provided with the outer step of cylinder barrel, and a flanged plate is sleeved on cylinder barrel front end also spacing by the outer step of cylinder barrel, between flanged plate and end cap, by being arranged in many pull bars of cylinder barrel periphery, is connected and fixed.
As a further improvement on the present invention, described piston sleeve is on piston rod, and piston nose is top against rotation, and piston rear end is fixedly connected with piston rod by clamp.
As a further improvement on the present invention, described end cap outer side surface is provided with stop block structure, and stop block structure is provided with slot.
As a further improvement on the present invention, described stop block structure comprises baffle plate and cushion block, two baffle plates are arranged symmetrically in the both sides of end cap outer side surface and are parallel to each other, and between baffle plate two ends and end cap outer side surface, clamp cushion block, and baffle plate and cushion block are fixed by screws on end cap.
As a further improvement on the present invention, described end cap central bore inner circle wall is provided with seal groove in end cap, in end cap, in seal groove, the first seal ring is housed; Described end cap neck periphery wall is provided with end cap external sealed groove, in end cap external sealed groove, the second seal ring is housed.
As a further improvement on the present invention, the periphery wall of described piston rear end portion is provided with piston seal groove, and the 3rd seal ring is housed in piston seal groove; On described piston rod, corresponding piston rear positions place is provided with rod seal groove, and the 4th seal ring is housed in rod seal groove; The inner circle wall of described cylinder barrel front end is provided with cylinder barrel seal groove, and the 5th seal ring is housed in cylinder barrel seal groove.
As a further improvement on the present invention, described piston rod front end is provided with oil nozzle, and described oil nozzle is communicated to the installation position of bearing by the piston rod oil duct of piston rod inside.
compared with the prior art the present invention, has the following advantages:reasonable in design of the present invention, can be independent one, and structure shearing force and the centrifugal force resistant ability of device itself promote greatly, safe and reliable, long service life, and installation, maintenance, maintenance expenses are low, are conducive to enhance productivity, and save manufacture cost.
Accompanying drawing explanation
Fig. 1 is three-dimensional structure diagram of the present invention.
Fig. 2 is the structural representation of the embodiment of the present invention.
Description of reference numerals: step in 1-baffle plate, 2-cushion block, 3-end cap, 4-piston rod, 4a-piston rod oil duct, 5-piston, 5a-piston step, 6-cylinder barrel, 6a-cylinder barrel, the outer step of 6b-cylinder barrel, 7-pull bar, 8-flanged plate, 9-bearing, 10-rotation are top, 11-oil nozzle, 12-the first seal ring, 13-the second seal ring, 14-clamp, 15-the 3rd seal ring, 16-the 4th seal ring, 17-the 5th seal ring.
Embodiment
The present invention is below further described in connection with the embodiment in accompanying drawing:
As shown in the figure: the plunger type band rotational lock clamping cylinder in embodiment mainly comprises cylinder and rotation top 10; Described cylinder comprises cylinder barrel 6, in the rear end of cylinder barrel 6, end cap 3 is set, at the interior piston 5 that arranges of cylinder barrel 6, and piston 5 center fixed installation piston rods 4, piston rod 4 rear ends pass from end cap 3 centers; Described rotation top 10 is arranged on piston rod 4 front ends by bearing 9; The inwall of described cylinder barrel 6 front ends is provided with step 6a in cylinder barrel, and described piston 5 rearward end peripheries are provided with piston step 5a, and described piston step 5a coordinates with step 6a in cylinder barrel, the stroke of limited piston 5 in cylinder barrel 6; The outer wall of described cylinder barrel 6 front ends is provided with the outer step 6b of cylinder barrel, and a flanged plate 8 is sleeved on cylinder barrel 6 front ends also spacing by the outer step 6b of cylinder barrel, between flanged plate 8 and end cap 3, by being arranged in the many pull bars 7 of cylinder barrel 6 peripheries, is connected and fixed.
In the present invention, described piston 5 is fixed on mode on piston rod 4 as shown in Figure 2, and described piston 5 is enclosed within on piston rod 4, and piston 5 front ends are top 10 against rotation, and piston 5 rear ends are fixedly connected with piston rod 4 by clamp 14.
As shown in Figure 2, for preventing that the cylinder in the present invention from dying suddenly in actual use or breaking down, described end cap 3 outer side surfaces are provided with stop block structure, and stop block structure is provided with slot, and slot stops returning of piston rod 4 to cause the accident for inserting plate.In the structure of described stop block structure, mainly by baffle plate 1 and cushion block 2, caused, two baffle plates 1 are arranged symmetrically in the both sides of end cap 3 outer side surfaces and are parallel to each other, between baffle plate 1 two ends and end cap 3 outer side surfaces, clamp cushion block 2, baffle plate 1 and cushion block 2 are fixed by screws on end cap 3.
As shown in Figure 2, in order to improve operational reliability of the present invention, described end cap 3 center hole inner circle walls are provided with seal groove in end cap, in end cap, in seal groove, the first seal ring 12 are housed; Described end cap 3 neck periphery walls are provided with end cap external sealed groove, and the second seal ring 13 is housed in end cap external sealed groove.The periphery wall of described piston 5 rearward end is provided with piston seal groove, and the 3rd seal ring 15 is housed in piston seal groove; On described piston rod 4, corresponding piston 5 rear positions places are provided with rod seal groove, and the 4th seal ring 16 is housed in rod seal groove; The inner circle wall of described cylinder barrel 6 front ends is provided with cylinder barrel seal groove, and the 5th seal ring 17 is housed in cylinder barrel seal groove.
As shown in Figure 2, described piston rod 4 front ends are provided with oil nozzle 11, and described oil nozzle 11 is communicated to the installation position of bearing 9 by the piston rod oil duct 4a of piston rod 4 inside.Enough lubricating is provided can to like this rotation top 10, guaranteeing to rotate top 10 can smooth and easyly turn round, and improves working life.
Working procedure of the present invention is as follows:
Piston 5 is under compressed-air actuated promotion, drive piston rod 4 to release forward, piston rod 4 promotes rotation top 10 cable disk is clamped, because rotation top 10 is arranged on piston rod 4 by bearing 9, so cable disk can rotate on wire coil clamping device.While need changing cable disk, plate exits from stop block structure, and piston rod 4 can stretch out completely from end cap 3, thereby makes piston 5, rotate top 10 and all return, and cable disk unclamps.
In the present invention, the piston rod 4 of described cylinder and piston 5 assembly parties lightweight, anti-shearing force is large, clamping force is stable, controls reset capability reliable, can meet the technical requirements that frame winch clamps.Rotate top 10 decapacitation and meet outside rotation requirement, also play the effect of fixed piston 5, can meet the technical requirements of frame winch rotation.Rotate top 10 and cylinder replaceable, can need to configure rotation according to different operating top 10, to meet, cable disk clamps and the technical requirements of rotation.
Claims (7)
1. plunger type band rotational lock clamping cylinder, comprises cylinder and rotation top (10); Described cylinder comprises cylinder barrel (6), in the rear end of cylinder barrel (6), end cap (3) is set, and piston (5) is set in cylinder barrel (6), piston (5) center fixed installation piston rod (4), and piston rod (4) rear end passes from end cap (3) center; Described rotation top (10) is arranged on piston rod (4) front end by bearing (9); It is characterized in that: the inwall of described cylinder barrel (6) front end is provided with step (6a) in cylinder barrel, described piston (5) rearward end periphery is provided with piston step (5a), described piston step (5a) coordinates with step (6a) in cylinder barrel, the stroke of limited piston (5) in cylinder barrel (6); The outer wall of described cylinder barrel (6) front end is provided with the outer step (6b) of cylinder barrel, one flanged plate (8) is sleeved on cylinder barrel (6) front end also spacing by the outer step (6b) of cylinder barrel, between flanged plate (8) and end cap (3), by being arranged in the many pull bars (7) of cylinder barrel (6) periphery, is connected and fixed.
2. plunger type band rotational lock clamping cylinder as claimed in claim 1, it is characterized in that: described piston (5) is enclosed within on piston rod (4), piston (5) front end is against rotation top (10), and piston (5) rear end is fixedly connected with piston rod (4) by clamp (14).
3. plunger type band rotational lock clamping cylinder as claimed in claim 1, is characterized in that: described end cap (3) outer side surface is provided with stop block structure, and stop block structure is provided with slot.
4. plunger type band rotational lock clamping cylinder as claimed in claim 3, it is characterized in that: described stop block structure comprises baffle plate (1) and cushion block (2), two baffle plates (1) are arranged symmetrically in the both sides of end cap (3) outer side surface and are parallel to each other, between baffle plate (1) two ends and end cap (3) outer side surface, clamp cushion block (2), baffle plate (1) and cushion block (2) are fixed by screws on end cap (3).
5. plunger type band rotational lock clamping cylinder as claimed in claim 1, is characterized in that: described end cap (3) center hole inner circle wall is provided with seal groove in end cap, in end cap, in seal groove, the first seal ring (12) is housed; Described end cap (3) neck periphery wall is provided with end cap external sealed groove, and the second seal ring (13) is housed in end cap external sealed groove.
6. plunger type band rotational lock clamping cylinder as claimed in claim 1, is characterized in that: the periphery wall of described piston (5) rearward end is provided with piston seal groove, and the 3rd seal ring (15) is housed in piston seal groove; The upper corresponding piston (5) of described piston rod (4) rear positions place is provided with rod seal groove, and the 4th seal ring (16) is housed in rod seal groove; The inner circle wall of described cylinder barrel (6) front end is provided with cylinder barrel seal groove, and the 5th seal ring (17) is housed in cylinder barrel seal groove.
7. plunger type band rotational lock clamping cylinder as claimed in claim 1, it is characterized in that: described piston rod (4) front end is provided with oil nozzle (11), described oil nozzle (11) is communicated to the installation position of bearing (9) by the inner piston rod oil duct (4a) of piston rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310702962.7A CN103671345A (en) | 2013-12-19 | 2013-12-19 | Plunger type clamping cylinder with rotary locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310702962.7A CN103671345A (en) | 2013-12-19 | 2013-12-19 | Plunger type clamping cylinder with rotary locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103671345A true CN103671345A (en) | 2014-03-26 |
Family
ID=50309862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310702962.7A Pending CN103671345A (en) | 2013-12-19 | 2013-12-19 | Plunger type clamping cylinder with rotary locking function |
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| Country | Link |
|---|---|
| CN (1) | CN103671345A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963513A (en) * | 2020-09-01 | 2020-11-20 | 王佩姿 | Hydraulic cylinder gland opening and closing device with reinforcing structure for automobile |
| CN112253573A (en) * | 2020-10-23 | 2021-01-22 | 合肥神马科技集团有限公司 | Working method of clamping cylinder for frame winch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2623384Y (en) * | 2003-06-26 | 2004-07-07 | 亓胜雨 | Small inertia clamping cylinder for numerical control automatic machine tools |
| CN201086416Y (en) * | 2007-07-25 | 2008-07-16 | 天津市天锻压力机有限公司 | Positioning structure of moveable platform of hydraulic machine |
| KR20090122736A (en) * | 2008-05-26 | 2009-12-01 | 주상완 | Composite power cylinder |
| CN101847469A (en) * | 2010-04-21 | 2010-09-29 | 无锡亚中自动化设备有限公司 | Wire coil clamping device |
| CN102470451A (en) * | 2009-07-07 | 2012-05-23 | 罗姆股份有限公司 | Pneumatic clamping cylinder |
| CN203641160U (en) * | 2013-12-19 | 2014-06-11 | 无锡亚中智能装备有限公司 | Plunger-type rotational locking and clamping cylinder |
-
2013
- 2013-12-19 CN CN201310702962.7A patent/CN103671345A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2623384Y (en) * | 2003-06-26 | 2004-07-07 | 亓胜雨 | Small inertia clamping cylinder for numerical control automatic machine tools |
| CN201086416Y (en) * | 2007-07-25 | 2008-07-16 | 天津市天锻压力机有限公司 | Positioning structure of moveable platform of hydraulic machine |
| KR20090122736A (en) * | 2008-05-26 | 2009-12-01 | 주상완 | Composite power cylinder |
| CN102470451A (en) * | 2009-07-07 | 2012-05-23 | 罗姆股份有限公司 | Pneumatic clamping cylinder |
| CN101847469A (en) * | 2010-04-21 | 2010-09-29 | 无锡亚中自动化设备有限公司 | Wire coil clamping device |
| CN203641160U (en) * | 2013-12-19 | 2014-06-11 | 无锡亚中智能装备有限公司 | Plunger-type rotational locking and clamping cylinder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963513A (en) * | 2020-09-01 | 2020-11-20 | 王佩姿 | Hydraulic cylinder gland opening and closing device with reinforcing structure for automobile |
| CN111963513B (en) * | 2020-09-01 | 2022-06-14 | 常德市佳鸿机械有限责任公司 | Hydraulic cylinder gland opening and closing device with reinforcing structure for automobile |
| CN112253573A (en) * | 2020-10-23 | 2021-01-22 | 合肥神马科技集团有限公司 | Working method of clamping cylinder for frame winch |
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Application publication date: 20140326 |