CN207872990U - The levelling device of isothermal forging hydropress - Google Patents
The levelling device of isothermal forging hydropress Download PDFInfo
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- CN207872990U CN207872990U CN201721814492.3U CN201721814492U CN207872990U CN 207872990 U CN207872990 U CN 207872990U CN 201721814492 U CN201721814492 U CN 201721814492U CN 207872990 U CN207872990 U CN 207872990U
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- backing plate
- leveling
- pressurization
- top shoe
- pressurization backing
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Abstract
The utility model is related to a kind of levelling devices of isothermal forging hydropress, including pressurization backing plate, pressurization backing plate to be connected with upper mold, it is characterized in that：The pressurization backing plate surrounding is respectively provided with leveling cyclinder, the top shoe corresponds to upper leveling oil cylinder position and is respectively equipped with jacking block, the upper leveling cyclinder is touched with jacking block, it is equipped with hemisphere between the top shoe and pressurization backing plate and constitutes levelling mechanism in spherical surface power transmission formula, resilient connection is used between the pressurization backing plate 7 and top shoe 3, bearing is connected in the rack, the position that bearing corresponds to leveling cyclinder on every platform has been respectively and fixedly connected with lower leveling cyclinder.Advantageous effect：Resilient connection structure in the spherical surface power transmission formula of the utility model between levelling mechanism and pressurization backing plate and top shoe can make the plunger only several millimeters of strokes of the upper leveling cyclinder on pressurization backing plate, not only simplify structure, reduce volume, and only need less increment oil cylinder that can realize levelling effect, improve the speed and effect of leveling reaction.
Description
Technical field
The utility model belongs to forging press more particularly to a kind of levelling device of isothermal forging hydropress.
Background technology
Isothermal forging hydropress requires sliding block upper padding plate almost exhausted relative to the backing plate of stationary work-table in pressing process
To parallel, it is therefore necessary to use sliding block four-corner leveling device, past all use is fixed between sliding block and rack four long strokes
When plunger case enters the pressure period with sliding block idle running downlink, after contact workpiece, the plunger cylinder of four long strokes just starts
Participate in leveling, play suppressing action, at the same below sliding block with four plunger cases above relative to position also be provided with four plungers
Cylinder plays upward top, and accurate leveling is realized under the action of cornerwise two plunger cases up and down are in pressure and top.Due to this
The idle running distance of kind hydraulic press is very big, so the stroke for the leveling cyclinder being fixed on above sliding block is also very big, causes its oil cavity
Product is very big, tells on when injecting increment fluid just relatively slow.
Utility model content
The utility model is to provide a kind of leveling dress of isothermal forging hydropress to overcome deficiency in the prior art
It sets, the plunger only several millimeters of strokes of the upper leveling cyclinder on pressurization backing plate can be made, simplify structure, only need less increment
Oil cylinder can realize levelling effect.
The utility model to achieve the above object, is achieved through the following technical solutions, a kind of tune of isothermal forging hydropress
Leveling device, including rack, master cylinder, top shoe, slide block guide rail, pressurization backing plate, lower stationary work-table and lower bolster, pressurize backing plate
7 and stationary work-table center be respectively provided with liftout tank, pressurization backing plate 7 is connected with upper mold, lower die and stationary work-table backing plate
It is connected, it is characterized in that：The pressurization backing plate surrounding is respectively provided with leveling cyclinder, and the top shoe corresponds to upper leveling cyclinder position
It sets and is respectively equipped with jacking block, the upper leveling cyclinder is touched with jacking block, and hemisphere structure is equipped between the top shoe and pressurization backing plate
At levelling mechanism in spherical surface power transmission formula, resilient connection is used between the pressurization backing plate 7 and top shoe, is connected in the rack
Bearing, the position that bearing corresponds to leveling cyclinder on every platform have been respectively and fixedly connected with lower leveling cyclinder.
The stroke of four upper leveling cyclinders on the pressurization backing plate is equal to leveling distance.
The plunger extension elongation of the lower leveling cyclinder is equal to or more than pressure stroke.
The hemispheroidal diameter is equal to or more than the outer profile size of workpiece.
The resilient connection hangs tight mechanism using disc spring, and disc spring hangs tight mechanism and is placed between pressurization backing plate and top shoe.
Advantageous effect：Compared with prior art, in the spherical surface power transmission formula of the utility model levelling mechanism and pressurization backing plate and
Resilient connection structure between top shoe can make the plunger only several millimeters of strokes of the upper leveling cyclinder on pressurization backing plate, not only
Structure is simplified, reduces volume, and only need less increment oil cylinder that can realize levelling effect, improves leveling reaction
Speed and effect.
Description of the drawings
Fig. 1 is the utility model structure diagram.
In figure：1, rack, 2, operating cylinder, 3, sliding block, 4, slide block guide rail, 5, hemisphere, 6, resilient connection, 7, pressure pad
Plate, 8, on take blame for others, 9, lower bolster, 10, lower table 11, under take blame for others, 12, engine base, 13, lower die, 14, upper mold, 15, bearing, 16,
Lower leveling cyclinder, 17, upper leveling cyclinder, 18, jacking block.
Specific implementation mode
Below in conjunction with preferred embodiment, to according to specific implementation mode provided by the utility model, details are as follows：
Refer to attached drawing, present embodiments provide a kind of levelling device of isothermal forging hydropress, including rack 1, engine base 12,
Upper and lower mould 14,13, master cylinder 2, top shoe 3, slide block guide rail 4, pressurization backing plate 7, lower stationary work-table 10 and lower bolster 9, pressurization
Backing plate 7 and 10 center of stationary work-table are respectively provided with liftout tank 8 and lower liftout tank 11, pressurize backing plate 7 and 14 phase of upper mold
Even, lower die 13 is connected with stationary work-table backing plate 9, and the pressurization backing plate surrounding is respectively provided with leveling cyclinder 17, it is described on
Sliding block corresponds to upper leveling oil cylinder position and is respectively equipped with jacking block 18, and the upper leveling cyclinder is touched with jacking block, the top shoe with add
It is equipped with hemisphere 5 between pressure pad plate and constitutes levelling mechanism in spherical surface power transmission formula.Between the present embodiment top shoe and pressurization backing plate
Hemisphere 5, can be top shoe or pressurization backing plate is equipped with and kisses half spherical-concave-surface that connects with 5 spherical surface of hemisphere, hemisphere again with it is upper
Sliding block or pressurization backing plate are fixed.Resilient connection 6, the resilient connection of the present embodiment are used between the pressurization backing plate 7 and top shoe 3
It is to be equipped with disc spring hangers between the two in pressurization backing plate 7 and top shoe 3, makees opposite transport with respect to top shoe 3 in pressurization backing plate 7
When dynamic, the elastic force of disc spring can maintain the connection between them.Bearing 15 is connected in the rack, bearing corresponds to every up-regulation
The position of flat oil cylinder has been respectively and fixedly connected with lower leveling cyclinder 16.The stroke of four upper leveling cyclinders on the pressurization backing plate, which is equal to, to be adjusted
Flat distance.The plunger extension elongation of the lower leveling cyclinder is equal to or more than pressure stroke.
The course of work
After workpiece is put into lower die 13, sliding block 3 drives the upper mold 14 on pressurization backing plate 7 to contact along 4 idle running downlink of guide rail
Workpiece 19 starts to pressurize, and oil cylinder 2 pressurizes to workpiece 19 into pressure oil at this time, while each four leveling cyclinders 17 up and down
It starts to work with 16, liquid electricity after displacement sensor measures the error between pressurizeing 7 four angles of backing plate, 9 four angles of lower bolster relatively
System can drain the oil to each four leveling cyclinders 17 and 16 up and down by incremental mode is pouring-in, to realize the purpose of leveling, if
It needs that the angles A is made to decline, then top makes the angles A decline on leveling cyclinder 17 on the angles A, otherwise the downward of the angle P on corresponding A angle (diagonal line)
Flat oil cylinder 16 is accordingly upper to be pushed up, and diagonal line leveling is made.Due to thering is spherical surface 5 to be isolated between pressurization backing plate 7 and sliding block 3 and resilient connection,
So pressurization backing plate 7 can be rotated with opposing slider 3.The reaction force of upper leveling cyclinder 17 is by being arranged the top on top shoe 3
Produced by block 18.The hemispheroidal diameter is equal to or more than the outer profile size of workpiece.
Operation principle
It is mutually pushed up with the jacking block on sliding block with the upper smoothing oil cylinder being placed in pressurization backing plate and realizes that pressurization backing plate is opposite sliding
Block position adjust, it is only necessary to very little stroke (i.e. regulated quantity), in addition top shoe and pressurize backing plate between spherical surface power transmission and
Relative motion realizes the purpose of leveling between them, to simplify machine construction, improves levelling effect and speed.
When pressurize 7 leveling of backing plate when, relative to sliding block 3 can do a rotation along hemisphere 5.Four to pressurize on backing plate 7
The stroke of upper leveling cyclinder 17 need to only meet leveling required distance, about several millimeters, just may be implemented in pressure process
Leveling.
Above-mentioned reference embodiment is illustrative to a kind of detailed description that the levelling device of isothermal forging hydropress carries out
Without being restrictive, several embodiments can be enumerated according to limited range, therefore total not departing from the utility model
Change and modification under body design, should belong within the scope of protection of the utility model.
Claims (5)
1. a kind of levelling device of isothermal forging hydropress, including rack, master cylinder, top shoe, slide block guide rail, pressurization backing plate,
Lower stationary work-table and lower bolster, pressurize backing plate and stationary work-table center are respectively provided with liftout tank, pressurization backing plate 7 with it is upper
Mould is connected, and lower die is connected with stationary work-table backing plate, it is characterized in that：The pressurization backing plate surrounding is respectively provided with leveling oil
Cylinder, the top shoe correspond to upper leveling oil cylinder position and are respectively equipped with jacking block, and the upper leveling cyclinder is touched with jacking block, the upper cunning
It is equipped with hemisphere between block and pressurization backing plate and constitutes levelling mechanism in spherical surface power transmission formula, between the pressurization backing plate 7 and top shoe
Using resilient connection, bearing is connected in the rack, the position that bearing corresponds to leveling cyclinder on every platform has been respectively and fixedly connected with downward
Flat oil cylinder.
2. the levelling device of isothermal forging hydropress according to claim 1, it is characterized in that：Four on the pressurization backing plate
The stroke of a upper leveling cyclinder is equal to leveling distance.
3. the levelling device of isothermal forging hydropress according to claim 1, it is characterized in that：The column of the lower leveling cyclinder
It fills in extension elongation and is equal to or more than pressure stroke.
4. the levelling device of isothermal forging hydropress according to claim 1, it is characterized in that：Described hemispheroidal diameter etc.
In or more than workpiece outer profile size.
5. the levelling device of isothermal forging hydropress according to claim 1, it is characterized in that：The resilient connection uses dish
Spring hangs tight mechanism, and disc spring hangs tight mechanism and is placed between pressurization backing plate and top shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814492.3U CN207872990U (en) | 2017-12-22 | 2017-12-22 | The levelling device of isothermal forging hydropress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721814492.3U CN207872990U (en) | 2017-12-22 | 2017-12-22 | The levelling device of isothermal forging hydropress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207872990U true CN207872990U (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721814492.3U Active CN207872990U (en) | 2017-12-22 | 2017-12-22 | The levelling device of isothermal forging hydropress |
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| CN (1) | CN207872990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756712A (en) * | 2019-11-08 | 2020-02-07 | 合肥合锻智能制造股份有限公司 | Large-scale precision isothermal forging hydraulic press with four-corner active leveling function |
-
2017
- 2017-12-22 CN CN201721814492.3U patent/CN207872990U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756712A (en) * | 2019-11-08 | 2020-02-07 | 合肥合锻智能制造股份有限公司 | Large-scale precision isothermal forging hydraulic press with four-corner active leveling function |
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