CN205423390U - Stroke adjustable main shaft unclamping cylinder - Google Patents
Stroke adjustable main shaft unclamping cylinder Download PDFInfo
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- CN205423390U CN205423390U CN201620207376.4U CN201620207376U CN205423390U CN 205423390 U CN205423390 U CN 205423390U CN 201620207376 U CN201620207376 U CN 201620207376U CN 205423390 U CN205423390 U CN 205423390U
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Abstract
The utility model discloses a stroke adjustable main shaft unclamping cylinder, including the hydro -cylinder body and piston, there is the hydro -cylinder lid at the top of the hydro -cylinder body through mounting screw, the interior disc clearance fit of piston back end and hydro -cylinder lid, piston anterior segment and piston middle section respectively with the interior disc clearance fit of the hydro -cylinder body, the hydro -cylinder body, hydro -cylinder lid and piston enclose and become to forge a knife the oil pocket, the hydro -cylinder body encloses into loose sword oil pocket with the piston, the tail end screw thread connection of piston back end has the adjusting nut who is used for adjusting the unclamping cylinder stroke, adjusting nut's lower upper end of rectifying the hydro -cylinder lid, distance between adjusting nut's the lower extreme and the upper end of hydro -cylinder lid is less than the maximum height of loose sword oil pocket, in assembling process, only need to adjust to install the adjusting nut at the piston tail end, can adjust control piston's promotion stroke to the regulation stroke of forging a knife, size adjustable of realizing fill out sword volume, this main shaft unclamping cylinder can simplify the adjustment mode of unclamping cylinder fill out sword volume, and the assembly process of optimization main shaft, improvement machine tool machining efficiency.
Description
Technical field
This utility model relates to a kind of Digit Control Machine Tool knife striking cylinder, specifically a kind of stroke adjustable main shaft knife striking cylinder.
Background technology
The part that main shaft exchanging knives process relates to is numerous, and standard component has knife handle, blind rivet, broaching tool pawl, and machined part includes main shaft, broaching tool bar and various connector thereof.General exchanging knives process is: knife striking cylinder promotes forward broaching tool bar；Broaching tool bar, through the transmission of related fittings, promotes broaching tool pawl forward, and broaching tool pawl moves ahead and opens pulling claw simultaneously；Pulling claw front end is adjacent to blind rivet, and then continues to promote forward a micro-stroke (be and fill out cutter amount, such as 0.5mm), promotes the handle of a knife conical surface to separate with the main shaft conical surface, assisted tool changing finally by mechanical arm.But, the stroke of existing main shaft knife striking cylinder is certain value and non-adjustable, in exchanging knives process, existence due to dimensional tolerance, through deviation accumulation, cause last cutter amount size of filling out uncontrollable, need to adjust through all too many levels such as front and back dismounting, match grinding sizes to fill out cutter amount size, lost time and installation time.
Summary of the invention
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, it is provided that a kind of can fill out cutter amount according to tool changing and requires and regulate the stroke adjustable main shaft knife striking cylinder of stroke of forging a knife.
nullThe technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of stroke adjustable main shaft knife striking cylinder，Including cylinder body and piston，Described piston includes the piston back segment that external diameter does not waits from top to bottom、Piston stage casing and piston leading portion，The top of described cylinder body is provided with oil cylinder cover by screw，Described piston、Oil cylinder cover and cylinder body are coaxially disposed，Between described cylinder body and described oil cylinder cover, O is installed，Described piston back segment stretches out from described oil cylinder cover，Described piston back segment and the inner headed face matched in clearance of described oil cylinder cover，Dust cap and the first U-shaped envelope are installed between described piston back segment and described oil cylinder cover，Described dust cap is positioned at the top of the U-shaped envelope of described first，Described piston leading portion and described piston stage casing respectively with the inner headed face matched in clearance of described cylinder body，Second U-shaped envelope is installed between described piston leading portion and described cylinder body，Bidirectional piston envelope is installed between described piston stage casing and described cylinder body，Described cylinder body、Described oil cylinder cover and described piston surround oil pocket of forging a knife，The oil-in of forging a knife being connected with described oil pocket of forging a knife it is provided with on described cylinder body，Described cylinder body and described piston surround pine cutter oil pocket，The loose cutter oil-in being connected with described loose cutter oil pocket it is provided with on described cylinder body，The threads of described piston back segment connects the adjusting nut for regulating knife striking cylinder stroke，The lower upper end rectified described oil cylinder cover of described adjusting nut，Distance between lower end and the upper end of described oil cylinder cover of described adjusting nut is less than the maximum height of described loose cutter oil pocket.
During main shaft knife striking cylinder of the present utility model assembling, when the tail end of piston back segment does not installs adjusting nut, piston can move in cylinder body.After the tail end of piston back segment installs adjusting nut, during piston is moved along, the lower end of adjusting nut by first with the upper-end contact of oil cylinder cover, stoping piston to continue to move forward, now, the height of pine cutter oil pocket is not yet reduced to zero by maximum, by positive and negative rotation adjusting nut, the distance between the lower end of adjusting nut and the upper end of oil cylinder cover can be adjusted accordingly, the stroke of knife striking cylinder is adjusted, and then the adjustable of stroke that realize forging a knife.
Some groups of retention devices it are evenly equipped with on described adjusting nut, often organize described retention device and include copper billet and holding screw, described holding screw is transverse on the sidewall of described adjusting nut, and described copper billet is held out against and is pressed against by described holding screw on the periphery of described piston back segment.When regulation knife striking cylinder stroke, make main shaft fill out cutter amount and meet use when requiring, tighten holding screw, it is possible to be more solidly fixed on piston by adjusting nut, be conducive to fixing its stroke of forging a knife more reliably, prevent adjusting nut from returning pine.
Above-mentioned stroke adjustable main shaft knife striking cylinder also includes the induction mechanism for judging described piston present position, and described induction mechanism is arranged on the top of described cylinder body.
Described induction mechanism includes pressure ring, adjustment block and proximity switch, described pressure ring is arranged on the top of described oil cylinder cover and is positioned at the outside of described adjusting nut, on the periphery of described pressure ring, milling has two planes, at two described planes, some screwed holes it are machined with respectively on described pressure ring, in two described planes, one piece of described adjustment block is respectively installed, one described proximity switch is installed in every piece of described adjustment block, two described proximity switches are respectively used to sense position before and after described adjusting nut, U-type groove is offered in every piece of described adjustment block, some attachment screws are threadeded with described pressure ring in stretching into described some screwed holes through described U-type groove.By the position of mobile adjustment block during installation, two proximity switches are respectively installed to former and later two extreme positions of adjusting nut.In work process, during pine cutter, adjusting nut moves with after piston, and when forging a knife, adjusting nut moves forward with piston, and when adjusting nut moves into place, corresponding proximity switch will produce induced signal, and then can judge that piston is in forge a knife position or pine cutter position accordingly.
The top of described adjusting nut is provided with flange portion, and the front end of two described proximity switches is near the periphery of described flange portion.By the sensing to flange portion position of two proximity switches, the accuracy of induction mechanism can be improved.
Compared with prior art, the utility model has the advantage of: the stroke adjustable main shaft knife striking cylinder that this utility model provides, during assembling, only need to regulate the adjusting nut being arranged on piston tail end, i.e. scalable control the promotion stroke of piston, forge a knife stroke with regulation, it is achieved fill out size adjustable of cutter amount.The stroke adjustable main shaft knife striking cylinder that this utility model provides can simplify knife striking cylinder and fill out the adjustment mode of cutter amount, and optimizes the assemble flow of main shaft, improves machine tooling efficiency.
Accompanying drawing explanation
Fig. 1 is the elevational schematic of the stroke adjustable main shaft knife striking cylinder of embodiment；
Fig. 2 is that schematic diagram cuts open in the office of the stroke adjustable main shaft knife striking cylinder of embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
nullThe stroke adjustable main shaft knife striking cylinder of embodiment，As shown in Figure 1-2，Including cylinder body 1、Piston 2 and for judging the induction mechanism of piston 2 present position，Induction mechanism is arranged on the top of cylinder body 1，Piston 2 includes the piston back segment 23 that external diameter does not waits from top to bottom、Piston stage casing 22 and piston leading portion 21，The top of cylinder body 1 is provided with oil cylinder cover 3 by screw，Piston 2、Oil cylinder cover 3 and cylinder body 1 are coaxially disposed，O 31 is installed between cylinder body 1 and oil cylinder cover 3，Piston back segment 23 stretches out from oil cylinder cover 3，Piston back segment 23 and the inner headed face matched in clearance of oil cylinder cover 3，Dust cap 32 and the first U-shaped envelope 33 are installed between piston back segment 23 and oil cylinder cover 3，Dust cap 32 is positioned at the top of the first U-shaped envelope 33，Piston leading portion 21 and piston stage casing 22 respectively with the inner headed face matched in clearance of cylinder body 1，Second U-shaped envelope 29 is installed between piston leading portion 21 and cylinder body 1，Bidirectional piston envelope 24 is installed between piston stage casing 22 and cylinder body 1，Cylinder body 1、Oil cylinder cover 3 and piston 2 surround oil pocket 25 of forging a knife，The oil-in 26 of forging a knife being connected with oil pocket 25 of forging a knife it is provided with on cylinder body 1，Cylinder body 1 and piston 2 surround pine cutter oil pocket 27，The loose cutter oil-in 28 being connected with pine cutter oil pocket 27 it is provided with on cylinder body 1，The threads of piston back segment 23 connects the adjusting nut 4 for regulating knife striking cylinder stroke，The lower upper end rectified oil cylinder cover 3 of adjusting nut 4，Some groups of retention devices it are evenly equipped with on adjusting nut 4，Often group retention device includes copper billet 51 and holding screw 52，Holding screw 52 is transverse on the sidewall of adjusting nut 4，Copper billet 51 is held out against and is pressed against by holding screw 52 on the periphery of piston back segment 23，Distance between lower end and the upper end of oil cylinder cover 3 of adjusting nut 4 is less than the maximum height of pine cutter oil pocket 27.
In embodiments above, induction mechanism includes pressure ring 61, adjustment block 62 and proximity switch 63, pressure ring 61 is arranged on the top of oil cylinder cover 3 and is positioned at the outside of adjusting nut 4, on the periphery of pressure ring 61, milling has two planes, at two planes, some screwed holes 64 it are machined with respectively on pressure ring 61, one piece of adjustment block 62 is respectively installed in two planes, one proximity switch 63 is installed in every piece of adjustment block 62, the top of adjusting nut 4 is provided with flange portion 41, the front end of two proximity switches 63 is near the periphery of flange portion 41, two proximity switches 63 are respectively used to sense position before and after adjusting nut 4, U-type groove 65 is offered in every piece of adjustment block 62, some attachment screws 66 are threadeded with pressure ring 61 in stretching into some screwed holes 64 through U-type groove 65.
During the assembling of above-mentioned main shaft knife striking cylinder, when the tail end of piston back segment 23 does not installs adjusting nut 4, piston 2 can move in cylinder body 1.After the tail end of piston back segment 23 installs adjusting nut 4, during piston 2 is moved along, the lower end of adjusting nut 4 by first with the upper-end contact of oil cylinder cover 3, stoping piston 2 to continue to move forward, now, the height of pine cutter oil pocket 27 is not yet reduced to zero by maximum, by positive and negative rotation adjusting nut 4, the distance between the lower end of adjusting nut 4 and the upper end of oil cylinder cover 3 can be adjusted accordingly, the stroke of knife striking cylinder is adjusted, and then the adjustable of stroke that realize forging a knife.
After above-mentioned main shaft knife striking cylinder has assembled, the front of piston leading portion 21 is rectified broaching tool bar (not shown), and oil-in 26 of forging a knife is separately installed with pipe joint (not shown) with pine cutter oil-in 28.During work, oil-in 26 oil-feed of forging a knife, produce pressure after being full of hydraulic oil in oil pocket 25 of forging a knife, piston 2 is pushed forward, completes action of forging a knife；When pine cutter oil-in 28 oil-feed, in pine cutter oil pocket 27, full hydraulic oil is by producing pressure, is pushed by piston 2 backward, completes pine cutter action.Further, during pine cutter, adjusting nut 4 moves with after piston 2, and when forging a knife, adjusting nut 4 moves forward with piston 2, and when adjusting nut 4 moves into place, corresponding proximity switch 63 will produce induced signal, and then can judge that piston 2 is in forge a knife position or pine cutter position accordingly.Due to the first U-shaped envelope 33, O 31, bidirectional piston envelope 24 and second setting of U-shaped envelope 29, it is ensured that sealing effectiveness to hydraulic oil in work process.
Claims (5)
- null1. a stroke adjustable main shaft knife striking cylinder，Including cylinder body and piston，It is characterized in that described piston includes the piston back segment that external diameter does not waits from top to bottom、Piston stage casing and piston leading portion，The top of described cylinder body is provided with oil cylinder cover by screw，Described piston、Oil cylinder cover and cylinder body are coaxially disposed，Between described cylinder body and described oil cylinder cover, O is installed，Described piston back segment stretches out from described oil cylinder cover，Described piston back segment and the inner headed face matched in clearance of described oil cylinder cover，Dust cap and the first U-shaped envelope are installed between described piston back segment and described oil cylinder cover，Described dust cap is positioned at the top of the U-shaped envelope of described first，Described piston leading portion and described piston stage casing respectively with the inner headed face matched in clearance of described cylinder body，Second U-shaped envelope is installed between described piston leading portion and described cylinder body，Bidirectional piston envelope is installed between described piston stage casing and described cylinder body，Described cylinder body、Described oil cylinder cover and described piston surround oil pocket of forging a knife，The oil-in of forging a knife being connected with described oil pocket of forging a knife it is provided with on described cylinder body，Described cylinder body and described piston surround pine cutter oil pocket，The loose cutter oil-in being connected with described loose cutter oil pocket it is provided with on described cylinder body，The threads of described piston back segment connects the adjusting nut for regulating knife striking cylinder stroke，The lower upper end rectified described oil cylinder cover of described adjusting nut，Distance between lower end and the upper end of described oil cylinder cover of described adjusting nut is less than the maximum height of described loose cutter oil pocket.
- A kind of stroke adjustable main shaft knife striking cylinder the most according to claim 1, it is characterized in that on described adjusting nut, being evenly equipped with some groups of retention devices, often organize described retention device and include copper billet and holding screw, described holding screw is transverse on the sidewall of described adjusting nut, and described copper billet is held out against and is pressed against by described holding screw on the periphery of described piston back segment.
- A kind of stroke adjustable main shaft knife striking cylinder the most according to claim 1 and 2, it is characterised in that also including the induction mechanism for judging described piston present position, described induction mechanism is arranged on the top of described cylinder body.
- A kind of stroke adjustable main shaft knife striking cylinder the most according to claim 3, it is characterized in that described induction mechanism includes pressure ring, adjustment block and proximity switch, described pressure ring is arranged on the top of described oil cylinder cover and is positioned at the outside of described adjusting nut, on the periphery of described pressure ring, milling has two planes, at two described planes, some screwed holes it are machined with respectively on described pressure ring, in two described planes, one piece of described adjustment block is respectively installed, one described proximity switch is installed in every piece of described adjustment block, two described proximity switches are respectively used to sense position before and after described adjusting nut, U-type groove is offered in every piece of described adjustment block, some attachment screws are threadeded with described pressure ring in stretching into described some screwed holes through described U-type groove.
- A kind of stroke adjustable main shaft knife striking cylinder the most according to claim 4, it is characterised in that the top of described adjusting nut is provided with flange portion, and the front end of two described proximity switches is near the periphery of described flange portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207376.4U CN205423390U (en) | 2016-03-17 | 2016-03-17 | Stroke adjustable main shaft unclamping cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207376.4U CN205423390U (en) | 2016-03-17 | 2016-03-17 | Stroke adjustable main shaft unclamping cylinder |
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| Publication Number | Publication Date |
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| CN205423390U true CN205423390U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620207376.4U Active CN205423390U (en) | 2016-03-17 | 2016-03-17 | Stroke adjustable main shaft unclamping cylinder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271879A (en) * | 2016-09-07 | 2017-01-04 | 深圳市仕兴鸿精密机械设备有限公司 | A kind of two-way adjustable proximity switch |
| CN106624942A (en) * | 2016-11-04 | 2017-05-10 | 宁波海天精工股份有限公司 | Tool dismounting mechanism of chain type tool magazine |
| CN106704304A (en) * | 2016-12-06 | 2017-05-24 | 安徽海拓志永智能装备股份有限公司 | Novel jacking cylinder for press |
| CN110242685A (en) * | 2019-06-17 | 2019-09-17 | 宁波海天精工股份有限公司 | A kind of rotation shaft brake device with safety function |
| CN110273938A (en) * | 2018-03-16 | 2019-09-24 | 西安博贤机电设备有限公司 | A kind of annular axis clutch cylinder |
-
2016
- 2016-03-17 CN CN201620207376.4U patent/CN205423390U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271879A (en) * | 2016-09-07 | 2017-01-04 | 深圳市仕兴鸿精密机械设备有限公司 | A kind of two-way adjustable proximity switch |
| CN106624942A (en) * | 2016-11-04 | 2017-05-10 | 宁波海天精工股份有限公司 | Tool dismounting mechanism of chain type tool magazine |
| CN106624942B (en) * | 2016-11-04 | 2019-03-26 | 宁波海天精工股份有限公司 | A kind of cutter disassembling machine structure of magazine |
| CN106704304A (en) * | 2016-12-06 | 2017-05-24 | 安徽海拓志永智能装备股份有限公司 | Novel jacking cylinder for press |
| CN106704304B (en) * | 2016-12-06 | 2018-09-18 | 安徽海拓志永智能装备股份有限公司 | A kind of novel jack-up cylinder of forcing press |
| CN110273938A (en) * | 2018-03-16 | 2019-09-24 | 西安博贤机电设备有限公司 | A kind of annular axis clutch cylinder |
| CN110242685A (en) * | 2019-06-17 | 2019-09-17 | 宁波海天精工股份有限公司 | A kind of rotation shaft brake device with safety function |
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