CN216801293U - Air cushion device of multi-station press - Google Patents
Air cushion device of multi-station press Download PDFInfo
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- CN216801293U CN216801293U CN202123456935.5U CN202123456935U CN216801293U CN 216801293 U CN216801293 U CN 216801293U CN 202123456935 U CN202123456935 U CN 202123456935U CN 216801293 U CN216801293 U CN 216801293U
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Abstract
The utility model discloses an air cushion device of a multi-station press, which comprises a top plate, a base, a driving shaft and a driving device, wherein the driving device comprises a driving cylinder, the driving cylinder is fixed on the base, the upper end of the driving shaft is fixed with the top plate, and the lower end of the driving shaft is fixed with a piston of the driving cylinder; the air cushion device has the advantages that the air cushion device has small table top, large air cushion force and small required installation space, meets the requirements of the multi-station press on the air cushion device, and can meet the stamping requirements of different dies due to the arrangement of the stroke adjusting mechanism on the buffer device, so that the air cushion device has better universality; and because the fixed locking device is arranged on the base, the top plate can be locked when the sliding block reaches the bottom dead center, and the requirements of the deep drawing process are met.
Description
Technical Field
The utility model relates to the technical field of presses, in particular to an air cushion device of a multi-station press.
Background
A multi-station press generally has a plurality of stations, which is equivalent to a production line consisting of a plurality of single-station presses, the first station of the multi-station press is generally used for drawing, in order to ensure the product quality and prevent the product from wrinkling in the deep drawing process, an air cushion device is generally arranged on a first station of a multi-station press, but compared with the traditional universal press, the air cushion device of the multi-station press has small installation position, but the required air cushion force is larger, the existing large-table-board air cushion device can not be installed, the air cushion force provided by the air cushion device with a small table top can not meet the requirement of the multi-station press, so that the problem that the prior art is mostly solved by arranging a nitrogen cylinder on a die, however, this method results in a complicated structure of the mold, fast wear and short life, and in addition, different parts require different molds to complete production, resulting in high production cost. In addition, the conventional multi-station press is not provided with a locking device, so that the deep drawing process requirement is difficult to meet, and the product is easy to wrinkle.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an air cushion device of a multi-station press, which has the advantages of small table top, large air cushion force, simple structure and better universality, can meet different die requirements, and is provided with a locking device to meet the requirements of deep drawing process.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an air cushion device of multistation press, includes roof, base, drive shaft and drive arrangement, drive arrangement including driving actuating cylinder, drive actuating cylinder fix the base on, the upper end of drive shaft with the roof fixed mutually, the lower extreme of drive shaft with drive actuating cylinder in the piston fixed mutually, the base on be provided with a buffer of solid locking device and two symmetries, just solid locking device with buffer respectively with the roof be connected.
Preferably, the locking device comprises a locking rod, a locking piston, a locking cylinder and a hydraulic cylinder, the hydraulic cylinder is fixed at the bottom of the base, the locking piston is arranged in the hydraulic cylinder, the locking piston is in up-and-down sliding fit with the hydraulic cylinder, the upper end of the locking rod is fixed with the top plate, the lower end of the locking rod penetrates through the base and extends into the hydraulic cylinder and is fixed with the locking piston, the locking cylinder is fixed on the side surface of the hydraulic cylinder, when a slide block of the press machine is pressed to a bottom dead center, a piston rod in the locking cylinder extends into an oil channel of the hydraulic cylinder to block the circulation of the oil channel in the hydraulic cylinder, and the locking piston is locked.
Preferably, buffer includes buffering axle, cushion seat and oil storage tank, the oil storage tank fix the bottom of base, the cushion seat set up in the oil storage tank, the upper end of buffering axle with the roof fixed mutually, the vertical downward pass of lower extreme of buffering axle the base the cushion seat in stretch into in the oil storage tank, the bottom of cushion seat be provided with the dashpot, the fixed buffering piston that is provided with in bottom of buffering axle, work as the buffering piston remove the dashpot in, the buffering piston with the dashpot enclose into a cavity, just the dashpot on be provided with the damping orifice.
Preferably, the buffer device is provided with a stroke adjusting device, the stroke adjusting device comprises an adjusting screw, a worm wheel, a worm and a driving motor, the driving motor is fixed on the base, the base is fixedly provided with a worm wheel box, the worm wheel and the worm are both arranged in the worm wheel box, the driving motor drives the worm to rotate through a cross reversing machine, the worm wheel is meshed with the worm, the adjusting screw is sleeved on the buffer shaft, the worm wheel is sleeved on the adjusting screw and is in threaded connection with the adjusting screw, and the buffer seat is fixed at the lower end of the adjusting screw.
Preferably, the number of the driving cylinders is four, and the driving cylinders are double-layer cylinders.
Compared with the prior art, the utility model has the advantages that the air cushion device has small table top, large air cushion force and small required installation space, meets the requirements of a multi-station press on the air cushion device, and can meet the stamping requirements of different dies due to the arrangement of the stroke adjusting mechanism on the buffer device, thereby having better universality; the double-buffering device is arranged on the base, so that the ejection parallelism of the top plate is ensured, the buffering capacity is high, and the damping effect is good; and because the fixed locking device is arranged on the base, the top plate can be locked when the sliding block reaches the bottom dead center, and the requirements of the deep drawing process are met. .
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is one of the partial cross-sectional views of the present invention;
FIG. 3 is a second partial cross-sectional view of the present invention;
fig. 4 is a bottom view of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1-4, an air cushion device of a multi-station press comprises a top plate 1, a base 2, a driving shaft 3 and a driving device, wherein the driving device comprises a driving cylinder 4, the driving cylinder 4 is fixed on the base 2, the upper end of the driving shaft 3 is fixed with the top plate 1, the lower end of the driving shaft 3 is fixed with a piston of the driving cylinder 4, the base 2 is provided with a locking device and two symmetrically arranged buffer devices, the locking device and the buffer devices are respectively connected with the top plate 1, the locking device comprises a locking rod 51, a locking piston 52, a locking cylinder 53 and a hydraulic cylinder 54, the hydraulic cylinder 54 is fixed at the bottom of the base 2, the locking piston 52 is arranged in the hydraulic cylinder 54 and is in up-and-down sliding fit with the hydraulic cylinder 54, the upper end of the locking rod 51 is fixed with the top plate 1, the lower end of the locking rod 51 passes through the base 2 and extends into the hydraulic cylinder 54 to be fixed with the locking piston 52, the locking cylinder 53 is fixed on the side surface of the hydraulic cylinder 54, a piston rod 55 is fixedly arranged on a piston 531 in the locking cylinder 53, when a slide block of the press machine is pressed to a bottom dead center by using a PLC control system in the press machine, the PLC control system controls the right side of the piston 531 in the locking cylinder 53 to admit air, the piston 531 pushes the piston rod 55 to move leftwards and extend into an oil passage of the hydraulic cylinder 54, the circulation of the oil passage in the hydraulic cylinder 54 is blocked, the locking piston 52 is kept static, the top plate 1 is enabled to be static, and the locking of the top plate 1 is realized; if the locking is to be released, the left air inlet of the piston 531 in the locking cylinder 53 is controlled, the piston 531 pushes the piston rod 55 to move rightwards, the oil passage in the hydraulic cylinder 54 is communicated, the locking piston 52 is released, and the top plate 1 moves upwards;
the buffer device comprises a buffer shaft 61, a buffer base 62 and an oil storage tank 63, the oil storage tank 63 is fixed at the bottom of the base 2, the buffer base 62 is arranged in the oil storage tank 63, the upper end of the buffer shaft 61 is fixed with the top plate 1, the lower end of the buffer shaft 61 vertically passes through the base 2 and the buffer base 62 downwards and then extends into the oil storage tank 63, the bottom of the buffer base 62 is provided with a buffer groove 64, the bottom of the buffer shaft 61 is fixedly provided with a buffer piston 65, when the top plate 1 moves upwards, the buffer shaft 61 is driven to move upwards, then the buffer piston 65 connected at the lower end of the buffer shaft 61 enters the buffer groove 64, at the moment, the buffer piston 65 and the buffer groove 64 enclose a cavity, and because the buffer groove 64 is provided with a damping hole 66, the flow rate of oil in the cavity is reduced, so that the upward moving speed of the top plate 1 is reduced until the upper plane of the buffer piston 65 is abutted against the buffer groove 64, compared with the conventional single buffer air cushion, the air cushion device is provided with two buffering devices, the ejection parallelism of the top plate 1 is guaranteed, the buffering capacity is high, and the shock absorption effect is good.
In the above embodiment, the buffer device is provided with a stroke adjusting device, the stroke adjusting device includes an adjusting screw 71, a worm wheel 72, a worm 73 and a driving motor 74, the driving motor 74 is fixed on the base 2, the base 2 is fixedly provided with a worm wheel box 21, the worm wheel 72 and the worm 73 are both arranged in the worm wheel box 21, the driving motor 74 drives the worm 73 to rotate through a cross reverser 75, the worm wheel 72 is engaged with the worm 73, the adjusting screw 71 is sleeved on the buffer shaft 61, the worm wheel 72 is sleeved on the adjusting screw 71 and is screwed with the adjusting screw 71, and the buffer base 62 is fixed at the lower end of the adjusting screw 71.
In the above embodiment, the number of the driving cylinders 4 is four, and the driving cylinders are double-layer cylinders, compared with a single cylinder, the double-layer cylinders can generate double thrust, and a plurality of cylinder bodies can be installed in series according to actual use requirements to provide larger air cushion force.
The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.
Claims (5)
1. The utility model provides an air cushion device of transfer press, includes roof, base, drive shaft and drive arrangement, drive arrangement including driving actuating cylinder, drive actuating cylinder fix the base on, the upper end of drive shaft with the roof fixed mutually, the lower extreme of drive shaft with drive the piston in the actuating cylinder fixed mutually, its characterized in that: the base is provided with a fixed locking device and two symmetrical buffer devices, and the fixed locking device and the buffer devices are respectively connected with the top plate.
2. An air cushion system for a transfer press as set forth in claim 1, wherein: the locking device comprises a locking rod, a locking piston, a locking cylinder and a hydraulic cylinder, wherein the hydraulic cylinder is fixed at the bottom of the base, the locking piston is arranged in the hydraulic cylinder, the locking piston is in up-and-down sliding fit with the hydraulic cylinder, the upper end of the locking rod is fixed with the top plate, the lower end of the locking rod penetrates through the base and extends into the hydraulic cylinder and is fixed with the locking piston, the locking cylinder is fixed on the side surface of the hydraulic cylinder, when a slide block of the press machine is pressed to a bottom dead center, a piston rod in the locking cylinder extends into an oil channel of the hydraulic cylinder, the oil channel in the hydraulic cylinder is blocked, and the locking piston is locked.
3. An air cushion system for a transfer press as set forth in claim 1, wherein: buffer including buffering axle, cushion seat and oil storage tank, the oil storage tank fix the bottom of base, the cushion seat set up the oil storage tank in, the upper end of buffering axle with the roof fixed mutually, the vertical downward pass of lower extreme of buffering axle the base the cushion seat in stretch into the oil storage tank in, the bottom of cushion seat be provided with the dashpot, the fixed buffer piston that is provided with in bottom of buffering axle, work as the buffer piston remove the dashpot in the time, the buffer piston with the dashpot enclose into a cavity, just the dashpot on be provided with the damping hole.
4. An air cushion system for a transfer press as set forth in claim 3, wherein: the buffer device is provided with a stroke adjusting device, the stroke adjusting device comprises an adjusting screw rod, a worm wheel, a worm and a driving motor, the driving motor is fixed on the base, a worm wheel box is fixedly arranged on the base, the worm wheel and the worm are both arranged in the worm wheel box, the driving motor drives the worm to rotate through a cross reversing machine, the worm wheel is meshed with the worm, the adjusting screw rod is sleeved on the buffer shaft, the worm wheel is sleeved on the adjusting screw rod and is in threaded connection with the adjusting screw rod, and the buffer seat is fixed at the lower end of the adjusting screw rod.
5. An air cushion system for a transfer press as set forth in claim 1, wherein: the number of the driving cylinders is four, and the driving cylinders are double-layer cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456935.5U CN216801293U (en) | 2021-12-31 | 2021-12-31 | Air cushion device of multi-station press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456935.5U CN216801293U (en) | 2021-12-31 | 2021-12-31 | Air cushion device of multi-station press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216801293U true CN216801293U (en) | 2022-06-24 |
Family
ID=82061111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123456935.5U Active CN216801293U (en) | 2021-12-31 | 2021-12-31 | Air cushion device of multi-station press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216801293U (en) |
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2021
- 2021-12-31 CN CN202123456935.5U patent/CN216801293U/en active Active
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