CN208774125U - Hydraulic Lifting Device on press machine - Google Patents
Hydraulic Lifting Device on press machine Download PDFInfo
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- CN208774125U CN208774125U CN201721343354.1U CN201721343354U CN208774125U CN 208774125 U CN208774125 U CN 208774125U CN 201721343354 U CN201721343354 U CN 201721343354U CN 208774125 U CN208774125 U CN 208774125U
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- guide sleeve
- bearing
- lever
- fixed
- lifting device
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Abstract
The utility model discloses the Hydraulic Lifting Devices on press machine.Including press base, the hydraulic cylinder of Lifting Device, lever is pushed up and is taken turns, mandril, lower flap seat, and hydraulic cylinder upper end is connected on the upper flap seat being fixedly connected with pedestal by pin shaft, and hydraulic cylinder lower end is fixed on lower flap seat.It is connect by pin shaft with intermediate fixing seat among lever, intermediate fixing seat is fixedly connected on pedestal, there are 2 self-lubricating bearings between pin shaft and intermediate fixing seat among connection lever, the other end of lever connects top wheel by pin shaft, there are 2 self-lubricating bearings between pin shaft and lever, mandril freely moves up and down in guide sleeve, there is self-lubricating bearing to reduce friction between the two, the self-lubricating bearing of guide sleeve is fixed on the lower end of guide sleeve, the other end of mandril is contacted with top wheel, and guide sleeve is fixedly connected on pedestal.The hydraulic cylinder of the utility model is not direct to be in contact with knock-pin, but is contacted by lever with knock-pin, and oil cylinder is mounted on the side of fuselage, therefore ejecting force is bigger.
Description
Technical field
The utility model belongs to forging machinery and equipment technical field, and in particular to the Hydraulic Lifting Device on press machine.
Background technique
Currently, generalling use Pneumatic ejection device on press machine.For Pneumatic ejection device, since the pressure of gas source is that have
Limit, to reach certain ejecting force, air cushion structure will be relatively large, and pedestal will have certain space that could install, this gesture
The rigidity of pedestal must be influenced, the gas bag of relative capacity is in addition also equipped with.
In the prior art, application No. is 200820039531.1 utility models to disclose a kind of " hydraulic liftout of press machine
Device ", it includes that mandril, gusset piece and guide post are constituted which, which is by the way that the hydraulic mechanism being made of oil cylinder and pumping plant connection is arranged,
Lifting body, can effectively realize with biggish ejecting force, fixed plate is through under connection bolt and press bench in use
Side is connected as one, and perpendicular to press pressure direction, guide sleeve is vertically mounted in fixed plate, and guide post is fixed on gusset piece
On, mandril is fixed on above gusset piece, and oil cylinder is mounted in fixed plate and is coupled by transit joint with gusset piece, unclamps mandril
Inner bolt can replace different mandrils according to different workpieces, and guide post guide sleeve guarantees its good precision when completing inloading part movement, should
Utility model structure can be conducive to expand the processing range of press machine, have certain practicability.But due to being installed liquid by pedestal
The limitation in cylinder pressure space, cylinder diameter is unfit to do too big, so that the ejecting force of mandril has certain limitation.
Application No. is 201120491470.4 utility models to disclose " press hydraulic cushion device ", which includes liquid
Pressure station, at least one lower bottom base, top plate seat equipped with hydraulic cylinder, the lower bottom base are fixedly connected with machine body base, and hydraulic cylinder is logical
It crosses fixture nut to be vertically mounted in lower bottom base, oil inlet, the oil return opening of hydraulic cylinder pass through oil pipe respectively and connect with hydraulic station, top
Panel seat is arranged on the upside of hydraulic cylinder, and by being fixedly connected to flange with hydraulic cylinder piston rod upper end, top plate seat outer peripheral surface passes through
Guiding mechanism is slideably flexibly connected with fuselage, is installed with multiple collision blocks in array-like at the top of top plate seat, top plate seat side is also
Limit switch equipped with the lifting of top plate seat.The utility model is simple and compact for structure, and installation space is small, and liftout area is big, and anti-top is slow
Punching is steady, and liftout power is stablized, and stamping products are not wrinkled or pull open, and improve the qualification rate of product.But since ejecting force is logical
Lever transmission is crossed to mandril, mandril vertical precision has a certain impact, and product qualification rate is unfavorable to improving, and is also not suitable for push up more
Bar.
Utility model content
In view of the above-mentioned problems of the prior art, that the purpose of the utility model is to provide a kind of ejecting forces is big, structure is simple
Single and easy for installation Hydraulic Lifting Device.
To achieve the above object, the technical solution adopted in the utility model is the Hydraulic Lifting Device on press machine, including
Press base, the hydraulic cylinder of Lifting Device, lever, top wheel, mandril, lower flap seat, the hydraulic cylinder upper end is connected by upper pin
It connects on the upper flap seat being fixedly connected with pedestal, hydraulic cylinder lower end is fixed on lower flap seat, and lower flap seat passes through lower bearing pin and lever
One end connection, is connect by intermediate support pin shaft with intermediate support among lever, and intermediate support is fixedly connected on pedestal, even
Connect has 2 self-lubricating bearings to reduce between the intermediate support pin shaft among lever and intermediate fixing seat rubs, the other end of lever
By top wheel pin shaft connection top wheel, there are 2 self-lubricating bearings to reduce between top wheel pin shaft and lever and rub, mandril in guide sleeve from
By moving up and down, and there is self-lubricating bearing guide sleeve bearing to reduce friction, the self-lubricating bearing guide sleeve bearing of guide sleeve between the two
Be fixed on guide sleeve the activity that prevents, the self-lubricating bearing guide sleeve bearing of guide sleeve is fixed on the lower end of guide sleeve, the other end of mandril with
Top wheel contact, guide sleeve are fixedly connected on pedestal.
Further, above-mentioned upper flap seat can be fixed by screws on pedestal, naturally it is also possible to be fixedly connected by other
Mode.
Further, more than one hydraulic fluid port can be set on the cylinder body of above-mentioned hydraulic cylinder.
Further, above-mentioned hydraulic cylinder lower end is fixed by screws on lower flap seat, naturally it is also possible to pass through other companies of fixation
Connect mode.
Further, above-mentioned intermediate fixing seat can be screwed on pedestal, naturally it is also possible to pass through other companies of fixation
Connect mode.
Further, the self-lubricating bearing of above-mentioned guide sleeve can be fixed on guide sleeve with holding screw, naturally it is also possible to be passed through
Other are fixedly connected with mode.
Further, the self-lubricating bearing of above-mentioned guide sleeve can be screwed in the lower end of guide sleeve, certainly by pressing plate
Mode can be fixedly connected with by other.
Further, above-mentioned guide sleeve can be fixed by screws on pedestal, naturally it is also possible to pass through other sides of being fixedly connected
Formula.
Compared with prior art, the utility model has the following beneficial effects:
1, in the utility model, between knock-pin and hydraulic cylinder between increase a lever connection, hydraulic cylinder piston is logical
It crosses lever to connect with mandril, cylinder piston rod is not direct to be connect with mandril, and hydraulic cylinder is mounted in the gap of fuselage side, therefore is tied
Structure is relatively easy, occupies little space, easy for installation, easy to repair.
2, the hydraulic cylinder of the utility model is not direct to be in contact with knock-pin, but is contacted by lever with knock-pin, oil
Cylinder is mounted on the side of fuselage, therefore ejecting force is bigger.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model;
Fig. 2 is partial cutaway view of the utility model in the direction A-A;
Fig. 3 is partial cutaway view of the utility model in the direction B-B.
In Fig. 1: 1, screw one, 2, guide sleeve, 3, mandril, 4, screw two, 5, guide sleeve bearing one, 6, upper flap seat, 7, upper pin,
8, screw three, 9, upper hydraulic fluid port, 10, hydraulic cylinder, 11, lower hydraulic fluid port, 12, machine body base, 13, screw four, 14, lower flap seat, 15, under
Pin shaft, 16, lever, 17, screw five, 18 pressing plates, 19, guide sleeve bearing two, 20, jacked object material.
Fig. 2, in 3: 21, intermediate support bearing one, 22, intermediate support pin shaft, 23, intermediate support bearing, 24, intermediate branch
Seat, 25, screw six, 26, top wheel pin shaft bearing, 27, top wheel, 28, top wheel pin shaft, 29, top wheel pin shaft bearing two.
Specific embodiment
The utility model is described in further detail now in conjunction with the drawings and the specific embodiments.
The utility model proposes press machine on Hydraulic Lifting Device connect by pin shaft with lever hydraulic cylinder, top wheel,
Mandril, guide sleeve, flap seat and support form, and lever, guide sleeve, flap seat and support are fixed in machine body base with screw.It uses
When oil enter the epicoele of cylinder body by hydraulic cylinder upper hydraulic fluid port, piston moves down, and the gripping block on piston rod is in relaxation state,
When oil enters the epicoele of cylinder by hydraulic fluid port, piston is moved down, and pushes the lever one end connecting with piston rod to move down simultaneously, thick stick
The other end of bar moves up, and pushes mandril to move up to be taken turns by top, mandril jacks up jacked object material.When oil passes through lower oil
When mouth enters the cavity of resorption of cylinder body, piston is moved up, and completes opposite movement, returns to mandril and is fixed in the guide sleeve of pedestal.
Since the pressure of hydraulic oil is big, ejecting force is big.In the case where reaching with pneumatic identical pressure, structure is small, easy for installation.
As shown in Figure 1-3, using this Hydraulic Lifting Device when the needs of jacked object material 20 are jacked up.Hydraulic Lifting Device
It is connected on upper flap seat 6 by 10 upper end of hydraulic cylinder by upper pin 7, upper flap seat 6 is fixed on pedestal 12 by screw 38, liquid
10 cylinder body of cylinder pressure respectively sets a upper hydraulic fluid port 9 and lower hydraulic fluid port 11 up and down, and 10 lower end of hydraulic cylinder is fixed on down by screw 4 13 and is hung
On seat 14, lower flap seat 14 connect by lower bearing pin 15 with 16 one end of lever, pass through among lever 16 intermediate support pin shaft 22 and
Intermediate fixing seat 24 connects, and intermediate support 24 is fixed on pedestal 12 with screw 6 25, the intermediate support among connection lever 16
There are self-lubricating bearing intermediate support bearing 1 and the reduction of intermediate support bearing 2 23 to rub between pin shaft 22 and intermediate fixing seat 24
It wipes, the other end of lever 16 has self-lubricating bearing between top wheel pin shaft 28 and lever 16 by the top wheel connection of pin shaft 28 top wheel 27
Top wheel pin shaft bearing 1 and top wheel pin shaft bearing 2 29 reduce friction, and mandril 3 freely moves up and down in guide sleeve 2, and two
There are self-lubricating bearing guide sleeve bearing 1 and guide sleeve bearing 2 19 to reduce friction, the self-lubricating bearing guide sleeve bearing of guide sleeve 2 between person
One 5 are fixed on guide sleeve the activity that prevents with screw 24, and the self-lubricating bearing guide sleeve bearing 2 19 of guide sleeve uses spiral shell by pressing plate 18
Following closely the lower end that 5 17 are fixed on guide sleeve prevents activity, and the other end of mandril 3 is contacted with top wheel 27, and guide sleeve 2 is fixed by screw 1
On pedestal 12.
In use, hydraulic oil enters the epicoele of hydraulic cylinder by hydraulic cylinder upper hydraulic fluid port 9, piston is moved down, and is pushed and is lived
16 one end of lever of stopper rod lower end connection moves down, and the other end moves up, while driving the mandril 3 contacted with top wheel 27 in guide sleeve
It is moved up in 2, jacked object material 20 is jacked up.When oil enters the cavity of resorption of cylinder body by lower hydraulic fluid port 11, piston is moved up, complete
At opposite movement, returns to mandril 3 and be fixed in the guide sleeve 2 of pedestal.
It is compact that the utility model has the advantages of simple structure, and ejecting force is big, easy for installation, easy to repair.
Between mandril 3 and guide sleeve 2, among lever 16 between intermediate support 24, between 16 one end of lever and top wheel 27
Self-lubricating bearing is installed, reduces friction, and mandril uses 40Cr material, increases intensity, it is not easy to damage, improve entire liquid
The service life of pressure device.
Claims (8)
1. the Hydraulic Lifting Device on press machine, including press base (12), the hydraulic cylinder (10) of Lifting Device, lever
(16), top wheel (27), mandril (3), lower flap seat (14), it is characterised in that hydraulic cylinder (10) upper end is connected by upper pin (7)
It connects on the upper flap seat (6) being fixedly connected with pedestal (12), hydraulic cylinder (10) lower end is fixed on lower flap seat (14), lower flap seat
(14) it is connect by lower bearing pin (15) with lever (16) one end, by intermediate support pin shaft (22) and intermediate among lever (16)
Support (24) connection, intermediate support (24) are fixedly connected on pedestal (12), the intermediate intermediate support pin shaft of connection lever (16)
(22) self-lubricating intermediate support bearing one (21) and intermediate support bearing two (23) reduce friction between intermediate support (24),
The other end of lever (16) pushes up wheel (27) by top wheel pin shaft (28) connection, has between top wheel pin shaft (28) and lever (16) from profit
Pin shaft bearing one (26) are taken turns on plain besring top and top wheel pin shaft bearing two (29) reduces friction, and mandril (3) is in guide sleeve (2) in freedom
Lower movement, and there is self-lubricating bearing guide sleeve bearing one (5) and guide sleeve bearing two (19) to reduce friction, guide sleeve (2) between the two
Self-lubricating bearing guide sleeve bearing one (5) be fixed on guide sleeve the activity that prevents, the self-lubricating bearing guide sleeve bearing two (19) of guide sleeve
It is fixed on the lower end of guide sleeve, the other end of mandril (3) is contacted with top wheel (27), and guide sleeve (2) is fixedly connected on pedestal (12).
2. the Hydraulic Lifting Device on press machine according to claim 1, it is characterised in that upper flap seat (6) pass through screw
(8) it is fixed on pedestal (12).
3. the Hydraulic Lifting Device on press machine according to claim 1, it is characterised in that above and below hydraulic cylinder (10) cylinder body
Respectively set a upper hydraulic fluid port (9) and a lower hydraulic fluid port (11).
4. the Hydraulic Lifting Device on press machine according to claim 1, it is characterised in that hydraulic cylinder (10) lower end passes through
Screw four (13) is fixed on lower flap seat (14).
5. the Hydraulic Lifting Device on press machine according to claim 1, it is characterised in that intermediate support (24) uses screw
Six (25) are fixed on pedestal (12).
6. the Hydraulic Lifting Device on press machine according to claim 1, it is characterised in that the self-lubricating bearing of guide sleeve (2)
Guide sleeve bearing one (5) is fixed on guide sleeve with screw two (4).
7. the Hydraulic Lifting Device on press machine according to claim 1, it is characterised in that the self-lubricating bearing of guide sleeve is led
Set bearing two (19) is fixed on the lower end of guide sleeve by pressing plate (18) with screw five (17).
8. the Hydraulic Lifting Device on press machine according to claim 1, it is characterised in that guide sleeve (2) passes through screw one
(1) it is fixed on pedestal (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721343354.1U CN208774125U (en) | 2017-10-18 | 2017-10-18 | Hydraulic Lifting Device on press machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721343354.1U CN208774125U (en) | 2017-10-18 | 2017-10-18 | Hydraulic Lifting Device on press machine |
Publications (1)
Publication Number | Publication Date |
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CN208774125U true CN208774125U (en) | 2019-04-23 |
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CN201721343354.1U Active CN208774125U (en) | 2017-10-18 | 2017-10-18 | Hydraulic Lifting Device on press machine |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107599496A (en) * | 2017-10-18 | 2018-01-19 | 南京理工大学紫金学院 | Hydraulic Lifting Device on forcing press |
CN117564700A (en) * | 2023-12-25 | 2024-02-20 | 东莞市百旺电机科技有限公司 | Assembling device for radiating fan rotor |
-
2017
- 2017-10-18 CN CN201721343354.1U patent/CN208774125U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107599496A (en) * | 2017-10-18 | 2018-01-19 | 南京理工大学紫金学院 | Hydraulic Lifting Device on forcing press |
CN117564700A (en) * | 2023-12-25 | 2024-02-20 | 东莞市百旺电机科技有限公司 | Assembling device for radiating fan rotor |
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