CN205685777U - A kind of down-regulation type high accuracy fast hydraulic pressure forcing press and mode transfer oil cylinder thereof - Google Patents
A kind of down-regulation type high accuracy fast hydraulic pressure forcing press and mode transfer oil cylinder thereof Download PDFInfo
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- CN205685777U CN205685777U CN201620606502.3U CN201620606502U CN205685777U CN 205685777 U CN205685777 U CN 205685777U CN 201620606502 U CN201620606502 U CN 201620606502U CN 205685777 U CN205685777 U CN 205685777U
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Abstract
The utility model discloses a kind of down-regulation type high accuracy fast hydraulic pressure forcing press and mode transfer oil cylinder thereof, belong to hydraulic press field, which solve the problem that existing hydraulic press mode transfer error is big, structure is complicated, maintenance cost is high, its mode transfer oil cylinder includes master cylinder, described master cylinder includes master cylinder body and the main cylinder piston-rod being arranged in master cylinder body, also include secondary cylinder and adjusting screw rod, described secondary cylinder includes that fast cylinder piston rod, described fast cylinder piston rod are arranged on the fast cylinder cylinder intracavity of described main cylinder piston-rod upper end；Described fast cylinder piston rod is fixing with master cylinder body to be connected；Described adjusting screw rod is arranged in the adjustment hole of main cylinder piston-rod lower end.This utility model can improve mode transfer precision, and simple in construction, is easy to safeguard, can integrate stamping-out, stretching, pressing process.
Description
Technical field
This utility model belongs to hydraulic press field, specifically, relates to a kind of down-regulation type high accuracy fast hydraulic pressure pressure
Power machine and mode transfer oil cylinder thereof.
Background technology
Forcing press includes punching machine and hydraulic press, and punching machine is by crank connecting link or elbow-bar mechanism, convex
Wheel mechanism, the forging and stamping machine of screw mechanism transmission, punching machine typically use following steps adjust mould: 1) manually engage machine
Body clutch；2) the most repeatedly rotate the big flywheel of fuselage, find bottom dead center of slider；3) the stroke adjustment spiral shell above adjusting slider
Bar, selects rational height of packing compact.This mode transfer mode has the disadvantage in that 1) mould, clutch, big flywheel relatively far apart, behaviour
Bother, adjust the mould time longer；2) because by rotating big flywheel adjustment bottom dead centre, there is no defined location, need to repeatedly test
Card lower dead point position, efficiency is low；3) punching machine because of use force-increasing mechanism, nominal pressure stroke typically within 10mm, stroke
In can not stop, so stamping-out and shallow drawing process can only be used as, be not suitable for pressing process.Hydraulic press is to use hydraulic pressure
Oil cylinder carries out the forcing press of transmission.Existing hydraulic press controls lower dead point position by travel switch, because of electricity when adjusting mould
There is response time error in gas and electromagnetic valve, lower dead point position with downstream rate increase and increase, error typically within 10mm,
So being typically only suitable for pressing process, then need by reducing slide block down speed controlling bottom dead center of slider position as stamping-out need to be carried out
Put, but during stamping-out, efficiency is substantially reduced.
Chinese Patent Application No. 201420145508.6, the patent document in publication date on July 23rd, 2014, disclose one
The mould adjusting mechanism of punching machine.For overcoming the defect that mould adjusting mechanism load is little, mode transfer amount is little of existing machinery forcing press, this is real
Including connecting rod, slide block by the technical scheme of novel employing, be connected to the upper table below slide block, the bottom of described connecting rod is cased with
The oil cylinder of one bottom belt oil-in, this oil cylinder is connected by a lifting assembly with connecting rod, is positioned at bottom in-oil cylinder connecting rod and is provided with
Bearing pin, bearing pin is provided with a block, and the outer wall of this block adapts with the inwall of oil cylinder, and described slide block is arranged on the end of oil cylinder
Portion；Described oil cylinder by lifting assembly along length of connecting rod direction upper and lower translation, to realize the upper and lower translation of upper table.Its advantage
It is: the contact area between oil cylinder and slide block is big, it is possible to the power born is big, can be used for big load operation；Pressure oil passes through oil-feed
Mouth enters in oil cylinder, promotes oil cylinder to move down, and the pressure oil height i.e. displacement of upper table being packed into, mode transfer amount is big.
But this mould adjusting mechanism complicated structure, later stage working service is relatively costly.
Chinese Patent Application No. 200820160443.7, the patent document in publication date on June 17th, 2009, disclose one
There is the forcing press of hydraulic control system, belong to press technologies field, being mainly characterized by, Hydraulic Station is set and Hydraulic Station controls
The upper cylinder body being arranged on the cope match-plate pattern of press pressure machine sliding block, workbench lower bolster, lower cylinder body, when forcing press punching press is upper and lower
During mould Guan Bi, product forms similar shallow drawing between upper and lower cylinder and stretches technique, and period is pressure maintaining period, thus realizes forcing press
Slide body when bottom dead centre runs, is adjusted upper and lower cylinder body suitable molding pressure value according to workpiece thickness by top dead-centre, in case
Only hypertonia mold damage, can make die deformation, serve the effect being similar to hydraulic press processing technique during hypotony punching press
Really；This utility model stamped workpieces can be once-forming, it is to avoid multiple tracks link is processed, and the effectively save time, reduces working space；
Improve work efficiency and stamped workpieces quality, reduce labor strength, there is the strongest practicality and significant economy
Benefit.Technical scheme disclosed in this utility model actually belongs to hydraulic press, synchronizes compacting by hydraulic system and controls
Molding pressure value requires complicated system structure, and maintenance cost is high.
Summary of the invention
1, problem to be solved
The problem big for existing hydraulic press mode transfer error, structure is complicated, maintenance cost is high, this utility model provides
A kind of down-regulation type high accuracy fast hydraulic pressure forcing press and mode transfer oil cylinder thereof, can improve mode transfer precision, and simple in construction, is easy to dimension
Protect, stamping-out, stretching, pressing process can be integrated.
2, technical scheme
For solving the problems referred to above, this utility model adopts the following technical scheme that.
The mode transfer oil cylinder of a kind of down-regulation type high accuracy fast hydraulic pressure forcing press, including master cylinder, described master cylinder includes master cylinder
Cylinder body and the main cylinder piston-rod being arranged in master cylinder body, also include secondary cylinder and adjusting screw rod, and described secondary cylinder includes fast cylinder
Piston rod, described fast cylinder piston rod is arranged on the fast cylinder cylinder intracavity of described main cylinder piston-rod upper end；Described fast cylinder piston
Bar is fixing with master cylinder body to be connected；Described adjusting screw rod is arranged in the adjustment hole of main cylinder piston-rod lower end.
Preferably, being provided with oil duct in the middle part of described fast cylinder piston rod, described oil duct connects with described fast cylinder cylinder chamber.
Preferably, described main cylinder piston-rod upper end is stretched out outside master cylinder body；It is fixedly installed on described fast cylinder piston rod
Fast cylinder is had to fix seat；Described fast cylinder fixed seating is in main cylinder piston-rod upper end, and fixing with master cylinder body is connected.
Preferably, described main cylinder piston-rod upper end outer wall side is provided with stroke limit block.
Preferably, described main cylinder piston-rod lower end is fixedly installed adjusting nut；Described adjusting nut and regulation spiral shell
Bar is threaded；It is provided with locking nut on described adjusting screw rod.
Preferably, described adjusting screw rod lower end is provided with slide block adpting flange.
A kind of down-regulation type high accuracy fast hydraulic pressure forcing press, including hydraulic system, described hydraulic system includes above-mentioned tune
Mould oil cylinder.
Preferably, in described hydraulic system, solenoid directional control valve one end is connected with oil pump assembly, the other end and mode transfer oil cylinder
The descending hydraulic fluid port of upper master cylinder, the up hydraulic fluid port of master cylinder and secondary cylinder hydraulic fluid port are connected；Described solenoid directional control valve is connected with oil pump assembly
Overflow valve and electro connecting pressure gauge are set on pipeline；Order is set on the pipeline that solenoid directional control valve hydraulic fluid port descending with master cylinder is connected
Valve；The descending hydraulic fluid port of master cylinder is directly connected with fuel tank pipeline also by replenishing valve.
3, beneficial effect
Compared to prior art, the beneficial effects of the utility model are:
(1) mode transfer oil cylinder of the present utility model arranges secondary cylinder and can carry out mode transfer action with quick acting, its fast cylinder piston rod
Separately positioned with main cylinder piston-rod, reduce the difficulty of processing of master cylinder, it is simple to the maintenance of oil cylinder；Arranging adjusting screw rod can be quick
Convenient searching bottom dead center of slider, and it is arranged at slide block top position, easy to adjust, it is simple to operation；
(2) this utility model mode transfer oil cylinder arranges oil duct in the middle part of fast cylinder piston rod, facilitates the turnover of hydraulic oil, not with master
Cylinder cylinder body is interfered；
(3) this utility model mode transfer oil cylinder arranges fast cylinder and fixes seat and can improve the stability of fast cylinder piston rod, leads to simultaneously
Too fast cylinder is fixed seat and is connected indirectly fixing to fast cylinder piston rod and master cylinder body, and beneficially later maintenance, maintenance, parts are more
Change, reduce maintenance cost；
(4) this utility model mode transfer oil cylinder arranges stroke limit block is mechanical position limitation, and repetitive positioning accuracy is high；By this machine
Tool limited block controls repetitive positioning accuracy, is not affected by the speed of slide block, it is adaptable to slide block fast downlink hydraulic press；
(5) this utility model mode transfer oil cylinder arranges adjusting nut and on the one hand adjusting screw rod can be indirectly secured to master cylinder work
Stopper rod lower end, it is simple to processing, parts disassembling, assembling and replacing and maintenance, on the other hand improves the flexible adjustment of adjusting screw rod, convenient
Operated by personnel, can improve the degree of regulation of adjusting screw rod simultaneously further；
(6) the slide block adpting flange of this utility model mode transfer oil cylinder adjusting screw rod lower end is used for connecting fixing slide block；
(7) this utility model forcing press has that mode transfer speed is fast, precision is high, and slide block limit accuracy is high, thus improves whole
The machining accuracy of body；
(8) in this utility model forcing press, hydraulic system uses electro connecting pressure gauge to carry out Stress control, strength and deformation
Amount matches, and further increases the repetitive positioning accuracy of machine.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of this utility model hydraulic press；
Fig. 2 is the front view of this utility model hydraulic press；
Fig. 3 is along line B-B direction sectional view in Fig. 2；
Fig. 4 is the schematic perspective view of this utility model mode transfer oil cylinder；
Fig. 5 is the front view of this utility model mode transfer oil cylinder；
Fig. 6 is along line A-A direction sectional view in Fig. 5；
Fig. 7 is hydraulic scheme in this utility model hydraulic press.
In figure: 1, fuselage；2, workbench；3, slide block；4, mode transfer oil cylinder；5, hydraulic valve bank；6, fuel tank；7, oil pump assembly；
40, slide block adpting flange；41, adjusting screw rod；42, regulation limited block；43, main cylinder piston-rod；44, master cylinder body；
45, fast cylinder piston rod；46, seat fixed by fast cylinder；47, stroke limit block；48, adjusting nut；49, locking nut；
102, oil pump；103, motor；104, overflow valve；105, electro connecting pressure gauge；106, solenoid directional control valve；107, sequentially
Valve；109, replenishing valve.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is further described below.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, a kind of down-regulation type high accuracy fast hydraulic pressure forcing press, including fuselage 1, workbench 2,
Slide block 3 and hydraulic system, hydraulic system includes hydraulic valve bank 5, fuel tank 6, oil pump assembly 7 and mode transfer oil cylinder 4, workbench 2, tune
Mould oil cylinder 4, hydraulic valve bank 5, fuel tank 6 and oil pump assembly 7 are each attached on fuselage 1, and slide block 3 is fixed on mode transfer oil cylinder 4 lower end；
As shown in Figure 4, Figure 5 and Figure 6, mode transfer oil cylinder 4 includes master cylinder, secondary cylinder and adjusting screw rod 41, and master cylinder includes master cylinder cylinder
Body 44 and the main cylinder piston-rod 43 being arranged in master cylinder body 44, main cylinder piston-rod 43 upper end is stretched out outside master cylinder body 44；Secondary
Cylinder includes that fast cylinder piston rod 45, fast cylinder piston rod 45 are arranged on the fast cylinder cylinder intracavity of main cylinder piston-rod 43 upper end, fast cylinder piston rod
45 fixing with master cylinder body 44 are connected, fix seat 46 fixing connection indirectly, more specifically, fast cylinder piston particular by fast cylinder
Being welded and fixed on bar 45 and be provided with fast cylinder and fix seat 46, fast cylinder is fixed seat 46 and is enclosed within main cylinder piston-rod 43 upper end, and with master cylinder cylinder
Body 44 connects by screw is fixing；It is provided with oil duct, this oil duct upper end and fast cylinder piston rod 45 top in the middle part of fast cylinder piston rod 45
Secondary cylinder hydraulic fluid port connection, lower end connects with fast cylinder cylinder chamber；Main cylinder piston-rod 43 upper end outer wall side is provided with stroke limit block 47, should
Stroke limit block 47 is mechanical position limitation, and repetitive positioning accuracy is high, controls repetitive positioning accuracy by this mechanical position limitation block, is not slided
The impact of block speed, is conducive to improving hydraulic machine slide block down speed；Main cylinder piston-rod 43 lower end is provided with adjustment hole, adjustment hole
Lower end is fixedly installed adjusting nut 48；Adjusting nut 48 is threadeded with adjusting screw rod 41, and adjusting screw rod 41 is through regulation spiral shell
Female 48 stretch in adjustment hole, and adjusting screw rod 41 stretches into the one end in adjustment hole and is fixedly installed regulation limited block 42, and this regulation limits
Position block 42 can effectively prevent adjusting screw rod 41 from pushing up bad main cylinder piston-rod 43, it is ensured that degree of regulation, it is achieved be accurately positioned；Regulation spiral shell
Being provided with locking nut 49 on bar 41, for the adjusting position of lock adjustment screw rod 41, adjusting screw rod 41 lower end is provided with slide block
Adpting flange 40, slide block 3 is bolted and is arranged on slide block adpting flange 40；
As it is shown in fig. 7, hydraulic valve bank 5 includes solenoid directional control valve 106, sequence valve 107, replenishing valve 109；Oil pump assembly 7
Including oil pump 102, motor 103, oil pump 102 is connected with fuel tank 6；Wherein solenoid directional control valve 106 one end is connected with oil pump assembly 7,
The other end is connected with the descending hydraulic fluid port of master cylinder, the up hydraulic fluid port of master cylinder and secondary cylinder hydraulic fluid port on mode transfer oil cylinder 4, and the descending hydraulic fluid port of master cylinder is main
The hydraulic fluid port that oil pocket that formed between cylinder piston rod 43, master cylinder body 44, inside master cylinder body 44 upper end is in communication with the outside, from
It is descending that the hydraulic oil liquid that this hydraulic fluid port enters controls main cylinder piston-rod 43, and the up hydraulic fluid port of master cylinder is main cylinder piston-rod 43, master cylinder body
Hydraulic fluid port that formed between 44, that be in communication with the outside at the oil pocket of master cylinder body 44 lower end inside, the hydraulic oil entered from this hydraulic fluid port
Hydraulic control main cylinder piston-rod 43 is up；On the pipeline that solenoid directional control valve 106 is connected with oil pump 102 in oil pump assembly 7, overflow is set
Valve 104 and electro connecting pressure gauge 105；On the pipeline that solenoid directional control valve 106 hydraulic fluid port descending with master cylinder is connected, sequence valve 107 is set；
The descending hydraulic fluid port of master cylinder is directly connected with fuel tank 6 pipeline also by replenishing valve 109.
The operation principle of a kind of down-regulation type of this utility model high accuracy fast hydraulic pressure forcing press is first to be to adjust mould,
It is specific as follows,
A kind of method for adjusting mould of down-regulation type high accuracy fast hydraulic pressure forcing press, step is as follows:
S1. on workbench 2 and slide block 3, it is respectively mounted upper and lower mould；
S2. press oil pump assembly 7 start button, control high-voltage oil liquid by solenoid directional control valve 106 and enter from secondary cylinder hydraulic fluid port,
Main cylinder piston-rod 43 is descending, and fluid enters the descending hydraulic fluid port of master cylinder, main cylinder piston-rod 43 upper end stroke limit through replenishing valve 109 simultaneously
Block 47 encounters master cylinder body 44 top, presses oil pump assembly 7 stop button；
S3. rotational lock nut 49 so that it is separate with adjusting nut 48 lower surface, then manual rotation adjusting screw rod 41, adjust
Whole slide block 3 is supreme, lower mold Guan Bi；
S4. rotational lock nut 49 makes it laminating is locked the position of adjusting screw rod 41 with adjusting nut 48 lower surface,
Mode transfer completes；
Then reset main cylinder piston-rod 43, installs workpiece to be pressed between upper/lower die, fixing after, then press oil pump group
Part 7 start button, controls high-voltage oil liquid by solenoid directional control valve 106 and enters from secondary cylinder hydraulic fluid port, and main cylinder piston-rod 43 is descending, simultaneously
Fluid enters the descending hydraulic fluid port of master cylinder through replenishing valve 109, and when mold encounters workpiece to be pressed, resistance increases, sequence valve 107 dozens
Opening, pressure oil liquid is directly entered the descending hydraulic fluid port of master cylinder through pipeline, makes main cylinder piston-rod 43 continue traveling downwardly and suppresses workpiece, when
Electro connecting pressure gauge 105 detects force value reach during preset value, to press oil pump assembly 7 stop button, oil pump 102 fuel cut-off,
And start oil pump assembly 7 after pressurize three minutes and make main cylinder piston-rod 43 reset, take off workpiece, complete the compacting of workpiece.
Claims (8)
1. a mode transfer oil cylinder for down-regulation type high accuracy fast hydraulic pressure forcing press, including master cylinder, described master cylinder includes master cylinder cylinder
Body (44) and the main cylinder piston-rod (43) being arranged in master cylinder body (44), it is characterised in that: also include secondary cylinder and regulation spiral shell
Bar (41), described secondary cylinder includes that fast cylinder piston rod (45), described fast cylinder piston rod (45) are arranged on described master cylinder piston
The fast cylinder cylinder intracavity of bar (43) upper end；Described fast cylinder piston rod (45) is fixing with master cylinder body (44) to be connected；Described regulation
Screw rod (41) is arranged in the adjustment hole of main cylinder piston-rod (43) lower end.
The mode transfer oil cylinder of a kind of down-regulation type the most according to claim 1 high accuracy fast hydraulic pressure forcing press, it is characterised in that:
Described fast cylinder piston rod (45) middle part is provided with oil duct, and described oil duct connects with described fast cylinder cylinder chamber.
The mode transfer oil cylinder of a kind of down-regulation type the most according to claim 2 high accuracy fast hydraulic pressure forcing press, it is characterised in that:
Master cylinder body (44) is stretched out outward in described main cylinder piston-rod (43) upper end；It is fixedly installed fast on described fast cylinder piston rod (45)
Seat (46) fixed by cylinder；Described fast cylinder is fixed seat (46) and is enclosed within main cylinder piston-rod (43) upper end, and fixes with master cylinder body (44)
Connect.
The mode transfer oil cylinder of a kind of down-regulation type the most according to claim 3 high accuracy fast hydraulic pressure forcing press, it is characterised in that:
Described main cylinder piston-rod (43) upper end outer wall side is provided with stroke limit block (47).
The mode transfer oil cylinder of a kind of down-regulation type the most according to claim 1 high accuracy fast hydraulic pressure forcing press, it is characterised in that:
Described main cylinder piston-rod (43) lower end is fixedly installed adjusting nut (48)；Described adjusting nut (48) and adjusting screw rod
(41) threaded；It is provided with locking nut (49) on described adjusting screw rod (41).
6. according to the mode transfer oil cylinder of a kind of down-regulation type high accuracy fast hydraulic pressure forcing press described in Claims 1 to 5 any one,
It is characterized in that: described adjusting screw rod (41) lower end is provided with slide block adpting flange (40).
7. a down-regulation type high accuracy fast hydraulic pressure forcing press, including hydraulic system, it is characterised in that: described hydraulic system bag
Include the mode transfer oil cylinder described in claim 1.
A kind of down-regulation type high accuracy fast hydraulic pressure forcing press the most according to claim 7, it is characterised in that: described hydraulic pressure
In system, solenoid directional control valve (106) one end is connected with oil pump assembly (7), other end master cylinder descending hydraulic fluid port upper with mode transfer oil cylinder (4),
The up hydraulic fluid port of master cylinder and secondary cylinder hydraulic fluid port are connected；Set on the pipeline that described solenoid directional control valve (106) is connected with oil pump assembly (7)
Put overflow valve (104) and electro connecting pressure gauge (105)；Set on the pipeline that solenoid directional control valve (106) hydraulic fluid port descending with master cylinder is connected
Put sequence valve (107)；The descending hydraulic fluid port of master cylinder is directly connected with fuel tank (6) pipeline also by replenishing valve (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620606502.3U CN205685777U (en) | 2016-06-20 | 2016-06-20 | A kind of down-regulation type high accuracy fast hydraulic pressure forcing press and mode transfer oil cylinder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620606502.3U CN205685777U (en) | 2016-06-20 | 2016-06-20 | A kind of down-regulation type high accuracy fast hydraulic pressure forcing press and mode transfer oil cylinder thereof |
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| Publication Number | Publication Date |
|---|---|
| CN205685777U true CN205685777U (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620606502.3U Expired - Fee Related CN205685777U (en) | 2016-06-20 | 2016-06-20 | A kind of down-regulation type high accuracy fast hydraulic pressure forcing press and mode transfer oil cylinder thereof |
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| Country | Link |
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| CN (1) | CN205685777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856606A (en) * | 2016-06-20 | 2016-08-17 | 扬州市工兵机械有限公司 | Down regulation type high-precision rapid hydraulic press machine as well as mold adjusting oil cylinder and mold adjusting method thereof |
-
2016
- 2016-06-20 CN CN201620606502.3U patent/CN205685777U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105856606A (en) * | 2016-06-20 | 2016-08-17 | 扬州市工兵机械有限公司 | Down regulation type high-precision rapid hydraulic press machine as well as mold adjusting oil cylinder and mold adjusting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20170620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |