CN104527110B - A kind of four-column hydraulic press - Google Patents
A kind of four-column hydraulic press Download PDFInfo
- Publication number
- CN104527110B CN104527110B CN201410718429.4A CN201410718429A CN104527110B CN 104527110 B CN104527110 B CN 104527110B CN 201410718429 A CN201410718429 A CN 201410718429A CN 104527110 B CN104527110 B CN 104527110B
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- Prior art keywords
- column
- cylinder
- hydraulic press
- lateral trench
- longitudinal groove
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
Abstract
The invention belongs to mechanical equipment technical field,It is related to a kind of four-column hydraulic press,In order to solve four-column hydraulic press during suppressing different materials to be processed,The intensity easily mutually worn between increase moved cross beam and column,The problem of reducing the service life of four-column hydraulic press,The invention provides a kind of four-column hydraulic press,Including entablature,Pedestal,Moved cross beam between entablature and pedestal,Connect four root posts of entablature and pedestal,The hydraulic cylinder being arranged on entablature and the pressure end being arranged on moved cross beam,The pressure end is connected with the piston in hydraulic cylinder by connecting rod,The moved cross beam is respectively equipped with four cylinders passed through for column,The length of the cylinder is 600mm 620mm,Operating range of the cylinder on column is 840mm 850mm,Can effectively solve the technical problem using above-mentioned technical proposal.
Description
Technical field
The invention belongs to mechanical equipment technical field, is related to a kind of four-column hydraulic press, and four-column hydraulic press of the present invention should
For carrying out hydraulic pressure to a diameter of 350mm~1200mm steel pipe, the bore of the column is 140mm-160mm.
Background technology
Four-column hydraulic press be it is a kind of using oil pump delivery hydraulic pressure oil static pressure come process metal, plastics, rubber, timber,
The plant equipment of the products such as powder.It is usually used in pressing process and block pressing forming process, such as：It is forging and stamping, punching press, cold-extruded, alignment, curved
Song, flange, process of sheet drawing, powder metallurgy, press fitting etc..Specifically include entablature, pedestal, between entablature and pedestal
Moved cross beam and four root posts of connection entablature and pedestal, four-column hydraulic press are treated rapidoprint by moved cross beam and carried out
Compacting, in compacting, moved cross beam slides along four root posts.
At present, due to needing the material shape to be processed that four-column hydraulic press is suppressed different, moved cross beam is completed to be added
During work material is suppressed, stressing conditions are different, so as to influence the active force of moved cross beam column, so as to increase work
The dynamic intensity mutually worn between crossbeam and column, reduce the service life of four-column hydraulic press.
The content of the invention
The technical problems to be solved by the invention are that four-column hydraulic press is being suppressed different materials to be processed
During, easily increase the intensity mutually worn between moved cross beam and column, reduce the service life of four-column hydraulic press, and pin
A kind of four-column hydraulic press is provided to the problem.
As shown in background technology, there is moved cross beam pair in the four-column hydraulic press because material shape to be pressed is different
The uneven situation of column active force, for example, relatively common situation be material to be processed to the force direction of moved cross beam with
Column is simultaneously not parallel, so as to produce the component perpendicular to column direction, in fact, component connects in the slip of moved cross beam and column
Being unevenly distributed in contacting surface, causes the pressure of some regions larger, so as to enhance on the whole moved cross beam with it is vertical
Tear strength between post.
Therefore, the invention provides a kind of four-column hydraulic press, including entablature, pedestal, between entablature and pedestal
Moved cross beam, four root posts of connection entablature and pedestal, the hydraulic cylinder that is arranged on entablature and be arranged on movable transverse
Pressure end on beam, the pressure end are connected with the piston in hydraulic cylinder by connecting rod, and the moved cross beam is respectively equipped with four
The individual cylinder passed through for column, it is characterised in that the length of the cylinder is 600mm-620mm, activity of the cylinder on column away from
From for 850mm-860mm.
In general, technical staff can increase the ratio of barrel lenght and operating range of the cylinder on column, pass through this
It kind measure, can generally increase slip precision of the cylinder on column, but the activity of moved cross beam can be made after the increase ratio
Reduced space, so as to influence the use range of the four-column hydraulic press.But the present invention is found by experiment that, cylinder is on column
Slip precision and operating range of the barrel lenght with cylinder on column ratio be not it is positively related, table 1 be the present invention
Some embodiments in, the situation of the operating range of barrel lenght, cylinder on column and slip precision of the cylinder on column
Form.
Table 1
| The length of cylinder | Operating range of the cylinder on column | Slip precision of the cylinder on column |
| 590mm | 850mm | 0.8mm-1.4mm |
| 600mm | 850mm | 0.6mm-1.1mm |
| 610mm | 850mm | 0.3mm-0.9mm |
| 620mm | 850mm | 0.5mm-1.1mm |
| 630mm | 850mm | 0.7mm-1.4mm |
| 590mm | 860mm | 0.9mm-1.6mm |
| 600mm | 860mm | 0.6mm-1.1mm |
| 610mm | 860mm | 0.4mm-1.0mm |
| 620mm | 860mm | 0.6mm-1.3mm |
| 630mm | 860mm | 0.8mm-1.5mm |
Note：In the present invention, the bore of column is 160mm.
It can be clear that by table 1, the length of the cylinder is 610mm, and operating range of the cylinder on column is
850mm.In this case, slip precision of the cylinder on column can reach 0.3mm-0.9mm.
Further, the length of the cylinder is 608mm-616mm, and operating range of the cylinder on column is 855-
858mm, slip precision of the cylinder on column can reach 0.1mm-1.3mm.Table 2 be the present invention other embodiments in,
The operating range of barrel lenght, cylinder on column and the situation form of slip precision of the cylinder on column.
Table 2
| The length of cylinder | Operating range of the cylinder on column | Slip precision of the cylinder on column |
| 608mm | 855mm | 0.3mm-0.8mm |
| 610mm | 856mm | 0.2mm-0.7mm |
| 613mm | 856mm | 0.3mm-0.7mm |
| 613mm | 857mm | 0.4mm-0.9mm |
| 615mm | 858mm | 0.4mm-1.0mm |
As second aspect for solving technical problem of the present invention, the present invention also sets the site of action of the component
Put at the middle part of cylinder, such as pressure end of the present invention includes pressure end body and pressure roller group, the pressure end body with
Connected in the middle part of cylinder, the center of gravity of pressure end body and cylinder center of gravity are at grade.So as to if there is moved cross beam pair
The uneven situation of column active force, that is, the component perpendicular to column direction is produced, cylinder can be acted on by pressure end body
In the middle part of body, so as to which this component is uniformly applied on cylinder, from without cylinder a part because stress is larger, and with
Leg surface produces larger abrasion, permanent to cause the contact surface out-of-flatness of cylinder and leg surface in the past, influences cylinder vertical
Slip precision on post.Technical staff typically only needs pressure end body being attached with cylinder, or directly by pressure end
Body and cylinder making are into a single integrated structure, and the connected mode of simplest a kind of pressure end body and cylinder is by pressure end body
The small range region being connected directly between in the middle part of cylinder, such as width are 20mm regions, and so small region can not bear larger
External force, the requirement to cylinder strength is improved, it is proposed that pressure end body and the width of cylinder junction are adjusted,
Typically the width of pressure end body and cylinder junction can be set as 250mm-280mm.
As the 3rd aspect for solving technical problem of the present invention, invention also improves the wearability of column,
The surface of column can be extra plating last layer wearing layer, such as pass through polishing, thickness is at least 20 μm of hard chromium layers.
As the 4th aspect for solving technical problem of the present invention, the lubrication between present invention increase cylinder and column
Property, further to improve service life.Before making the present invention, the conventional meanses that lubricity is slided in increase are added at glade plane space
Add lubricating oil, then slided in advance back and forth, lubricating oil is uniformly coated by sliding on sliding contact surface, so
And coated in the lubricating oil on sliding contact surface on the one hand in use because various losses cannot be supplemented timely,
On the other hand because rational lubricating oil addition can not be grasped, cause excessive lubricating oil to be spilt along sliding contact surface, make
Into a certain degree of waste, unnecessary lubricating oil may fall in some accurate mechanical surfaces in addition, give cleaning work band
Great inconvenience is carried out.Lubricating oil addition mechanism is directly opened up in the mechanical structure mutually slided can more facilitate technology people
Member's addition lubricating oil, when biggest advantage is to refuel, lubricating oil will not be excessive because of refueling, between the mechanical structure mutually slided
In the case that gap also has little time absorption, being bonded at pump island or even more serious situation is, excessive lubricating oil is tied along machinery
Structure surface is wandered, and common lubricating oil addition mechanism can accommodate a certain amount of lubricating oil.But it is contained in lubricating oil addition machine
Lubricating oil in structure also can quickly consume light, and the sliding surface for even needing to lubricate has been attached to thicker lube layer.
The present invention wishes can be according to sliding the thickness situation of lube layer in lubrication face automatically to sliding on lubrication face
Lube layer addition or take out lubricating oil, the thickness of the lubricating layer in sliding contact surface is maintained rational model all the time
Enclose, such as between 0.1mm-0.2mm.
Therefore, being enclosed on guide sleeve on column it is proposed that being provided with the cylinder both ends, include in the guide sleeve
Guide sleeve body and the intrinsic groove of guide sleeve is arranged on, the groove hangs down including at least two with guide sleeve glide direction
Straight lateral trench and the longitudinal groove parallel with guide sleeve glide direction, the longitudinal groove connection described at least two are horizontal
To groove, the filling passage that longitudinal groove is connected by lateral trench is provided with the guide sleeve body.
Additional lubricating oil enters lateral trench by filling passage first, then flows to longitudinal groove by lateral trench,
Because lateral trench is vertical with guide sleeve glide direction, therefore the lubricating oil on the column lubrication face relative with guide sleeve can be
Guide sleeve is scraped in lateral trench during being slided on column by the opening of lateral trench, so that column lubricates face
On lubricating layer thickness reduce.Lubricating oil in longitudinal groove can be directly attached on column lubrication face, thus, guide sleeve
During being slided on column, lubricating oil lubricates in column to be circulated between face lube layer, lateral trench and longitudinal groove,
The thickness of lube layer is supplemented by the lubricating oil being attached in longitudinal groove first once reducing, and the profit in longitudinal groove
After lubricating oil runs out of, the lubricating oil in lateral trench will be pushed into vertical by external air flow by longitudinal groove by lateral trench
Into groove, and the thickness of lube layer is excessive, then can be stored in lateral trench.Technical staff is therefore without worrying to adding
Oily passage with the addition of excessive lubricating oil, and cause lubricating oil to overflow, and equally also be not necessarily the regular addition lubrication of guide sleeve
Oil, lubricating oil is added every time, can often maintain lubricating status good between column and guide sleeve for a long time.
The present invention is adjusted laterally by adjusting the bottom surface of lateral trench and the A/F of the angle of side and lateral trench
Groove when guide sleeve is sliding on column, lead to by speed and lubricating oil that lubricating oil is scraped into lateral trench by lateral trench mouth
Cross the speed for the lube layer that lateral trench mouth is returned on column lubrication face, at the same by adjust longitudinal groove bore and
The arc angle regulation lubricating oil longitudinal groove mouth of longitudinal groove enters the speed of longitudinal groove and lubricating oil passes through longitudinal groove
The speed for the lube layer that mouth is returned on column lubrication face, as mentioned previously, all in all, lateral trench moistens column
Lubricating oil on sliding surface is scraped into lateral trench to store lubricating oil, and longitudinal groove then provides lubricating oil to column lubrication face.
Lateral trench of the present invention is antiparallelogram groove, and the bottom surface of lateral trench and the angle of side are 25 ° -30 °,
The A/F of lateral trench is 1.5mm-2mm, and longitudinal groove is arc-shaped groove, and the bore of longitudinal groove is 5mm-6mm, is indulged
It it is 185 ° -190 ° to the arc angle of groove so that lateral trench scrapes the net velocity into lubricating oil with indulging from column lubrication face
The ratio for the net velocity for providing lubricating oil to column lubrication face to groove is 0.82-1.15: 1.
Further, the bottom surface of the lateral trench and the angle of side are 25 ° -30 °, and the A/F of lateral trench is
1.6mm-1.8mm, the bore of longitudinal groove is 5.4mm-5.8mm, and the arc angle of longitudinal groove is 186 ° -188 ° so that horizontal
The net speed that the net velocity into lubricating oil provides lubricating oil with longitudinal groove to column lubrication face is scraped from column lubrication face to groove
The ratio of degree is 0.93-1.06: 1.
Another problem to be solved by this invention is that the installation accuracy of current four-column hydraulic press column is not high, it is general and
Speech, column are fixedly connected with entablature and pedestal respectively, and some common fixed forms, such as nut are fixed, in installation column
Before need column being placed in accurate position, then rotating nuts are fixed, once and position place there is deviation, just
Considerable influence can be brought to the installation accuracy of column, the solution that the present invention is recommended is：The four root posts bottom
End is fixed on pedestal by Ball faced nut.Sphere can ensure from centering, Self Tuning and good mechanical characteristic
The installation accuracy of column.
In general, the cooperation of four root posts and guide sleeve are coordinated using D9/h9 gaps, four root posts and entablature and pedestal
Cooperation using H8/e8 gaps coordinate.
In addition, present invention additionally contemplates that a kind of special situation, i.e., when carrying out hydraulic pressure to conical steel pipe with four-column hydraulic press,
Four-column hydraulic press is also by by the power of horizontal direction, therefore the frame also includes one end connection entablature, and the other end is provided with branch
The anti-bearing diagonal frame of spike.
Brief description of the drawings
Fig. 1 is a kind of structural representation of four-column hydraulic press described in embodiment；
Fig. 2 is a kind of partial structural diagram of four-column hydraulic press described in embodiment；
Fig. 3 is the structural representation of cylinder described in embodiment；
Fig. 4 is a kind of structural representation of guide sleeve described in embodiment；
Fig. 5 is another structural representation of guide sleeve described in embodiment；
Fig. 6 is a kind of partial structural diagram of guide sleeve described in embodiment；
Fig. 7 is another partial structural diagram of guide sleeve described in embodiment；
Fig. 8 is pressure roller group seat described in embodiment and the structural representation of pressure roller group.
Embodiment
Embodiment
Such as Fig. 1-8, a kind of four-column hydraulic press, including entablature 4, pedestal 7, the activity between entablature 4 and pedestal 7
Crossbeam, connection entablature 4 and pedestal 7 four root posts 6, be arranged on entablature 4 hydraulic cylinder 3, be arranged on moved cross beam
Pressure end and two anti-bearing diagonal framves 1, described anti-one end of bearing diagonal frame 1 is the connection end being fixed on entablature 4, another
Hold as support feet.
Pressure end includes pressure end body 8, pressure roller group seat 2 and the pressure roller group 18 installed in pressure roller group seat bottom, pressure end
The top of body 8 is hinged with the piston rod of hydraulic cylinder 3, and pressure roller group seat 2 is located at the bottom of pressure end body 8, and with the bottom of pressure end body 8
It is be hinged.Moved cross beam is provided with the cylinder 5 passed through respectively for column 6, so as to which moved cross beam is slided by cylinder 5 on column 6, cylinder
Body 5 is structure as a whole with pressure end body 8, and the length of cylinder 5 is 610mm, and sliding distance of the cylinder 5 on column 6 is
850mm。
Crawler belt 9 is cased with outside pressure roller group 18, the material of crawler belt 9 can select flexible material, such as rubber, can also use hard
Property material, such as steel.Column includes column body and is plated in one layer of hard chrome Jing Guo polishing of column body surface
Layer, the thickness of hard chromium layers is 20 μm, and each two groups of nuts of using by oneself in the both ends of four root posts 6 are fixed on the top surface of entablature 4 and pedestal 7
And on bottom surface, but plain nut has then been substituted for Ball faced nut 10 in the lowermost end of four root posts 6, the present embodiment, to incite somebody to action
Column 6 is fixed on the bottom surface of pedestal 7.
The both ends of cylinder 5 are interior respectively to be cased with guide sleeve 11, and guide sleeve 11 is bolted on the both ends of cylinder 5, guide sleeve
11 three lateral trench, 13, two connections, three lateral trench for including guide sleeve body, being arranged on guide sleeve body internal surface
13 longitudinal groove 12 and the oil filler 15 being arranged on guide sleeve body, three lateral trench are respectively upper horizontal ditch
Groove, middle lateral trench and lower lateral trench, oil filler 15 connect with upper lateral trench, and the present embodiment is also exclusively for oil filler 15
A closure bolt 14 is matched somebody with somebody.
The section of lateral trench is antiparallelogram, and the side of lateral trench and the angle of bottom surface are 30 °, and lateral trench is opened
Mouth width is 1.5mm, and longitudinal groove is arc-shaped groove, and the bore of longitudinal groove is 5.5mm, and the arc angle of longitudinal groove is
187°。
In the present embodiment, the matching surface of four root posts and pedestal, moved cross beam and entablature is matched somebody with somebody using H8/e8
Close.
During assembling, the lower end top of four root post 6 is screwed into four groups of thickness/thin nuts 20 first, then column is inserted into pedestal 7
In four sleeves, spherical washer, spherical nut 10, thin nut are then inserted in successively in the lower end of column 6, while above and below pretension lower end
Totally eight groups of thickness/thin nuts.
Subsequent eight guide sleeves 11 load in the cylinder 5 of moved cross beam 8, blending bolt pretension, then moved cross beam 8 is overall
Load the middle and upper part suitable location of column 6.The upper end bottom of column 6 is screwed into four groups of thickness/thin nuts 21 afterwards, then entablature 4 is filled
Enter in column 6, then four groups of thickness/thin nuts 22 are screwed at the top of the upper end of column 6 and pretension upper end is totally eight groups thick/thin up and down simultaneously
Nut.The position of column is progressively finely tuned finally by the measured value of dial gauge so that the installation accuracy of column is maintained at 0.01-
0.1mm。
Claims (9)
1. a kind of four-column hydraulic press, including entablature, pedestal, the moved cross beam between entablature and pedestal, horizontal stroke in connection
Four root posts of beam and pedestal, the hydraulic cylinder being arranged on entablature and the pressure end being arranged on moved cross beam, it is described to apply
Pressure side is connected with the piston in hydraulic cylinder by connecting rod, and the moved cross beam is respectively equipped with four cylinders passed through for column,
It is characterized in that the cylinder both ends are provided with the guide sleeve being enclosed on column, guide sleeve body is included in the guide sleeve and is set
Put in the intrinsic groove of guide sleeve, the groove include at least two lateral trench vertical with guide sleeve glide direction and
The longitudinal groove parallel with guide sleeve glide direction, the longitudinal groove connect at least two lateral trench, the guiding
The filling passage that longitudinal groove is connected by lateral trench is provided with set body, the lateral trench is antiparallelogram groove, horizontal
Angle to the bottom surface of groove and side is 25 ° -30 °, and the A/F of lateral trench is 1.5mm-2mm, and longitudinal groove is circle
Arcuate furrow, a diameter of 5mm-6mm of longitudinal groove, the arc angle of longitudinal groove is 185 ° -190 °.
2. a kind of four-column hydraulic press according to claim 1, it is characterised in that the length of the cylinder is 600mm-
620mm, operating range of the cylinder on column are 850mm-860mm.
A kind of 3. four-column hydraulic press according to claim 1, it is characterised in that the pressure end include pressure end body with
And pressure roller group, the pressure end body in the middle part of cylinder with being connected, and the center of gravity of pressure end body and cylinder center of gravity are in same plane
On.
4. a kind of four-column hydraulic press according to claim 2, it is characterised in that the length of the cylinder is 608mm-
616mm, operating range of the cylinder on column are 855-858mm.
A kind of 5. four-column hydraulic press according to claim 1, it is characterised in that the lateral trench is antiparallelogram groove,
The bottom surface of lateral trench and the angle of side are 26 ° -28 °, and the A/F of lateral trench is 1.6mm-1.8mm, longitudinal groove
For arc-shaped groove, a diameter of 5.4mm-5.8mm of longitudinal groove, the arc angle of longitudinal groove is 186 ° -188 °.
6. a kind of four-column hydraulic press according to claim 3, it is characterised in that the pressure end also includes being enclosed on pressure roller group
Outer crawler belt.
7. a kind of four-column hydraulic press according to claim 1, it is characterised in that the four root posts bottom passes through sphere spiral shell
Mother is fixed on pedestal.
8. a kind of four-column hydraulic press according to claim 1, it is characterised in that the four-column hydraulic press also includes one end and connected
Crossbeam is connected, the other end is provided with the anti-bearing diagonal frame of support feet.
9. a kind of four-column hydraulic press according to claim 1, it is characterised in that the cooperation of four root posts and guide sleeve uses
D9/h9 gaps coordinate, and the cooperation of four root posts and entablature and pedestal is coordinated using H8/e8 gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718429.4A CN104527110B (en) | 2014-11-28 | 2014-11-28 | A kind of four-column hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410718429.4A CN104527110B (en) | 2014-11-28 | 2014-11-28 | A kind of four-column hydraulic press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104527110A CN104527110A (en) | 2015-04-22 |
| CN104527110B true CN104527110B (en) | 2017-12-12 |
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ID=52842830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410718429.4A Active CN104527110B (en) | 2014-11-28 | 2014-11-28 | A kind of four-column hydraulic press |
Country Status (1)
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| CN (1) | CN104527110B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509910A (en) * | 1983-11-18 | 1985-04-09 | Mts Systems Corporation | Column clamping assembly |
| US5129817A (en) * | 1991-03-11 | 1992-07-14 | Husky Injection Molding Systems Ltd. | Gripper bushing assembly for an apparatus for making plastic articles |
| US5160750A (en) * | 1991-08-15 | 1992-11-03 | Mts Systems Corporation | Differential pitch thread clamp assembly |
| CN102582101B (en) * | 2012-02-17 | 2014-12-17 | 天津市天锻压力机有限公司 | Four-column forging hydraulic machine |
| CN104148531A (en) * | 2013-05-15 | 2014-11-19 | 宜兴市联丰化工机械有限公司 | Seal head hydraulic machine |
| CN204382687U (en) * | 2014-11-28 | 2015-06-10 | 浙江盛达铁塔有限公司 | A kind of four-column hydraulic press |
-
2014
- 2014-11-28 CN CN201410718429.4A patent/CN104527110B/en active Active
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| CN104527110A (en) | 2015-04-22 |
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