CN2614887Y - Oil press with fast up-down function - Google Patents
Oil press with fast up-down function Download PDFInfo
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- CN2614887Y CN2614887Y CN 03239983 CN03239983U CN2614887Y CN 2614887 Y CN2614887 Y CN 2614887Y CN 03239983 CN03239983 CN 03239983 CN 03239983 U CN03239983 U CN 03239983U CN 2614887 Y CN2614887 Y CN 2614887Y
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Abstract
The utility model discloses an oil press for rapid lifting which comprises a master oil-pressing cylinder base. The corresponding positions of the periphery of the master oil-pressing cylinder are provided with at least two auxiliary oil-pressing cylinders. The main piston of the master oil-pressing cylinder base and the auxiliary piston of the auxiliary oil-pressing cylinder are fixed on the bottom of a movable seat together, and further the movable seat is combined or separated with a fixed base via the moving of the main piston and the auxiliary piston. The master oil-pressing cylinder is provided with a loading system for oil box and an oil inlet and drain valve arrangement, wherein the oil inlet and drain valve arrangement is connected with an external oil sink and controlled by a valve closing arrangement. The manipulation of the oil press is divided into three steps which refer to the movable base is pushed out rapidly and positioned at the operating position, the oil box of the master oil-pressing cylinder base is pressure boosted and manipulated, and the movable returns rapidly.
Description
Technical field
The utility model relates to a kind of oil pressure facility, more detailed it, the utility model is at the advancing of this oil pressure facility, improvement design that the draining control device is done.
Background technology
The hydraulic press of commonly using (as Fig. 1 to Fig. 4), this hydraulic press generally comprise a main oil pressure cylinder seat 10, and its end face is established several upright guide rods 11 and established a holder 12 with the top.The periphery of this main oil pressure cylinder seat 10 is established at least two secondary oil hydraulic cylinders 14 in addition, and the auxiliary piston 15 of the main piston 13 of main oil pressure cylinder seat 10 and secondary oil hydraulic cylinder 14 is individually fixed in a sliding seat 16 bottoms; These sliding seat 16 end faces are provided with mould 17.
The oil circuit of this pair oil hydraulic cylinder 14 is controlled with the first motor M1.This main oil pressure cylinder 10 is connected with an inlet valve 20, a gate gurgle valve 25, grease chamber's pressue device 35, in addition and closes valve pressue device 40.This advances, gate gurgle valve 20,25 is communicated with the grease chamber 101 of main oil pressure cylinder seat 10, and respectively with advance, drain line 201,251 is connected with an outside oil groove 30.This grease chamber's pressue device 35 injects grease chamber 101 with the oil plant pressurization that the second motor M2 draws outside oil groove 30.This closes valve pressue device 40 and injects on this gate gurgle valve 25 with the oil plant pressurization that the 3rd motor M3 draws outside oil groove 30, and the oiling pressure of end face makes gate gurgle valve 25 be the decline potential and seals drain tap 252.Above-mentioned advance, gate gurgle valve 20,25 and grease chamber's pressue device 35 all have check control, prevent in the contrary return pipe road of oil of grease chamber 101.
The circulation of above-mentioned oil pressure facility activates can be divided into three steps:
1, moving seat 16 is released fast and is positioned operating position such as Fig. 1, Fig. 2: this grease chamber's pressue device 35 cuts out.This first motor M1 controls this auxiliary piston 15 and extends, this sliding seat 16 fast rise one preset distance of ejection arrives the operating position, this main piston 13 is followed extension with the rising of this sliding seat 16, cause in the cylinder grease chamber 101 to produce one and draw suction, the oil of outside oil groove 30 is sinked in the grease chamber 101 via in-line 201 and inlet valve 20.The 3rd motor M3 keeps a predetermined oiling pressure, makes gate gurgle valve 25 be closed state.
2, grease chamber's 101 superchargings activate (as Fig. 3): the second motor M2 of this grease chamber's pressue device 35 draws the oil plant high pressure that draws in the outside oil groove 30 and injects grease chamber 101, grease chamber 101 is carried out supercharging bestow this main piston 13 1 thrusts.In this stage, this gate gurgle valve 25 bears its 3rd motor M3 all the time and keeps closing the valve state in the lasting oiling pressure of end face.And the valve of this inlet valve 20 is closed because of the oil plant pressure in the grease chamber 101.
3, sliding seat 16 is return fast as Fig. 4: this second, third motor M2, M3 stop pressurization and activate, this first motor M1 controls this auxiliary piston 15 and shrinks, and then drive this sliding seat 16 quick deactuates, this main piston 13 descends with this sliding seat 16, grease chamber's 101 pressure are increased, oil plant pressure is closed inlet valve 20, and with this gate gurgle valve 25 up ejection draining hole 252 is opened, the oil plant of this grease chamber 101 moves back in large quantities fast through drain line 251 and annotates in outside oil groove 30, and this main piston 13 and auxiliary piston 15 are answered back.
Among Fig. 1 to Fig. 4, the horizontal line H, the L that are plotted in the outside oil groove 30 change at the height of expression oil level.
Summary of the invention
The purpose of this utility model: the quick arrival operating position of above-mentioned oil pressure facility, pressurization, return etc. and to activate circulation fast, shortened process time.But the friction of this main piston and main oil pressure cylinder seat inwall contact-making surface, in time, gives birth to heat, distortion for a long time, produces slot, makes main piston move instability, and the oil plant of grease chamber may be through slot and seepage outward, and this be one of problem of essential solution.In addition, the inlet valve of above-mentioned hydraulic press and gate gurgle valve respectively are absolute construction, increase assembly space and assembling complexity, and this is another problem that must solve.
For achieving the above object, the technical solution of the utility model mainly is:
A kind of hydraulic press with fast lifting function, comprise a main oil pressure cylinder seat, this main oil pressure cylinder seat periphery correspondence position is established second mate's oil hydraulic cylinder at least, the main piston of this main oil pressure cylinder seat and the auxiliary piston of secondary oil hydraulic cylinder are fixed in sliding seat bottom jointly, by moving of this major and minor piston, make sliding seat and a holder in conjunction with or separate; This main oil pressure cylinder is connected with grease chamber's pressue device and in addition and advances/the gate gurgle valve device, and this advances/and the gate gurgle valve device links to each other with an outside oil groove, and closes the valve pressue device by one and controlled; The actuating of this hydraulic press can be divided into sliding seat and be released fast grease chamber's supercharging actuating of being positioned operating position, main oil pressure cylinder seat and sliding seat and three steps such as return fast; It is characterized in that:
This advances/the gate gurgle valve device have one can upper and lower activity in device hydraulic piston, this hydraulic piston inner hollow is established an open hollow gilled rings in the below, respectively forms an intercostal port between the fin of this hollow gilled rings; The outer wall of this hydraulic piston is established at least one opening and is communicated with this intercostal port, and this advances/and the outer wall of gate gurgle valve device establishes a hydraulic fluid port and communicates with the opening of this hydraulic piston; The central authorities of this hollow gilled rings establish a spring piston, the bottom break-through of this spring piston goes out outside this hollow gilled rings and in conjunction with a block, this block relies on this hydraulic piston bottom normally by the elastic force of this spring piston, and seals the bottom outlet of this intercostal port fully.
In other words, the utility model is merged inlet valve described in the prior art and gate gurgle valve, designed advancing/the gate gurgle valve device of making new advances.This advances/the gate gurgle valve device have one can upper and lower activity in device hydraulic piston, a hollow gilled rings is established in this hydraulic piston inside, these hollow gilled rings central authorities establish a spring piston, the bottom break-through of this spring piston goes out outside this hollow gilled rings and in conjunction with a block, this block relies on this hydraulic piston bottom normally by the elastic force of this spring piston, and seals the bottom outlet of this intercostal port fully.
In addition, the utility model also comprises an anti-abrasion structure, should anti-abrasion structure mainly establish a dissimilar metal ring (as copper ring) in the attrition surface of this main oil pressure cylinder seat inwall and main piston, this dissimilar metal ring slightly protrudes from this inside wall of cylinder, contacts friction with this main piston surface.
Utility model progress effect: oil pressure facility of the present utility model still possess quick arrival operating position, pressurization, the actuating circulation such as return fast makes the advantage that is shortened process time.But of the present utility modelly advance/the gate gurgle valve device will advance, gate gurgle valve integrates, and cooperate above-mentioned actuating circulation to carry out switching motion, can reduce assembly space and simplify the assembling complexity, and advance, drain line comparatively do not commonly use the person and shortens, can shorten the time that oil plant moves again, and reduce the oil plant that stays in the pipeline, the movement pressure of major and minor piston is diminished, accelerate the translational speed of major and minor piston, shortened process time again.
Anti-abrasion structure of the present utility model makes the main piston surface produce a minim gap with the inside wall of cylinder, and the abrasion of avoiding being in direct contact with one another prevent problems such as the friction of the main oil pressure inside wall of cylinder, distortion, oil impregnate in view of the above.When the abrasion phenomenon appears in the dissimilar metal ring, it can be changed, reduce maintenance and change the spare part cost.
Below in conjunction with drawings and Examples, structure of the present utility model and advantage thereof are further described.
Description of drawings
Fig. 1: the configuration schematic diagram of conventional oil press.
Fig. 2: the conventional oil press is positioned the action schematic diagram in operating position stage in quick release.
Fig. 3: the conventional oil press activates the action schematic diagram in stage in grease chamber's supercharging.
Fig. 4: the conventional oil press is in the action schematic diagram of returning the stage fast.
Fig. 5: the configuration schematic diagram of the utility model hydraulic press.
Fig. 6: the utility model advances/plane of gate gurgle valve device.
Fig. 7: the utility model advances/and gate gurgle valve is installed on hydraulic press and releases the action schematic diagram that is positioned the operating position stage fast.
Fig. 8: the utility model advances/and gate gurgle valve is installed on the action schematic diagram that the supercharging of hydraulic press grease chamber activates the stage.
Fig. 9: the utility model advances/and gate gurgle valve is installed on the action schematic diagram that hydraulic press is return the stage fast.
Figure 10: the profile of looking for 10-10 section and the direction of arrow indication of Fig. 6.
The specific embodiment
As Fig. 5, the hydraulic press of a kind of tool fast lifting of the utility model function, it has the structure identical with the hydraulic press of commonly using, for example: main oil pressure cylinder seat 10, upright guide rod 11, holder 12, main piston 13, secondary oil hydraulic cylinder 14, auxiliary piston 15, sliding seat 16, mould 17; And first motor M1 control the inlet and outlet of fuel channel of this pair oil hydraulic cylinder 14; One grease chamber's pressue device 35 draws the grease chamber 101 of oil plant pressurization injection main oil pressure cylinder seat 10 inside of an outside oil groove 30 with the second motor M2.The utility model also comprises into/gate gurgle valve device 50, and this advances/and draining closes device 50 and controlled by the valve pressue device 40 that closes of located by prior art together.
This advances/gate gurgle valve device 50 is as Fig. 5, Fig. 6, Figure 10, have one can upper and lower activity in device hydraulic piston 51, these hydraulic piston 51 inner hollow are established a hollow gilled rings 52 in the below, formation intercostal port 522 between its fin 521; At least one opening 53 is established in the outer wall stage casing of this hydraulic piston 51, and this opening 53 communicates with intercostal port 522 and forms at least one asphalt channel.The central authorities of this hollow gilled rings 52 establish a spring piston 54, the bottom break-through of this spring piston 54 goes out outside this hollow gilled rings 52 and in conjunction with a block 541, this block 541 relies on hydraulic piston 51 bottoms normally by the elastic force of this spring piston 54, and seal the bottom outlet of this intercostal port 522 fully, that is seal this asphalt channel.
The end face of this hydraulic piston 51 sets a top cover 57 in addition.The 3rd motor M3 that closes valve pressue device 40 injects this device space more than hydraulic piston 51 end faces with the oil plant pressurization of outside oil groove 30, this oil plant pressure acts on the whole top of this hydraulic piston 51, and because the block of top cover 57 can not overflow the pressurization oil plant and injects hydraulic piston 51 inside.The pressurizeed effect of oil plant of this hydraulic piston 51 is down held it and is terminated on the retaining edge 58 that the device inwall protrudes, and this retaining edge 58 central also forms an opening 501 less than hydraulic piston 51 end face diameters and be communicated with the grease chamber 101 of main oil pressure cylinder seat 10.This advances/and gate gurgle valve device 50 walls establish a hydraulic fluid port 55 and connect these outside oil grooves 30 with an oil pipe 56.
It is as follows as being divided into three steps as described in the previous background that the actuating of oil pressure facility of the present utility model is, and cooperate above-mentioned advancing/gate gurgle valve device 50 action specifications.
1, sliding seat 16 is released fast and is positioned the operating position, and as Fig. 6, Fig. 7: this grease chamber's pressue device 35 cuts out.This second motor M2 that closes valve pressue device 40 keeps an oiling pressure pressing of being scheduled in the whole top of this hydraulic piston 51, and the suffered pressure of these hydraulic piston 51 end faces this moment imposes on the buffer brake of hydraulic piston 51 bottoms through opening 501 greater than the oil plants in the grease chamber 101.Therefore hydraulic piston 51 descends to holding and terminates on this retaining edge 58 and seal this opening 501.This first motor M1 controls this auxiliary piston 15 and extends, this sliding seat 16 fast rise one preset distance of ejection arrives predetermined operating position such as Fig. 1, Fig. 2, this main piston 13 is followed extension with the rising of this sliding seat 16, cause the interior grease chamber 101 of cylinder to produce one and draw suction, this draw spring tension that suction breaks through this spring piston 54 with this spring piston 54 toward drop-down, make block 541 leave this hydraulic piston 51, to advance/asphalt channel of gate gurgle valve device 50 opens, the oil plant of this outside oil groove 30 is via oil pipe 56, opening 53, intercostal port 522 enters this and advances/gate gurgle valve device 50, oil plant injects grease chamber 101 by bottom opening 501, and this advances/gate gurgle valve device 50 performance oil-feed functions.
2, grease chamber's 101 superchargings activate Fig. 8: this grease chamber's pressue device 35 starts, and its second motor M2 draws the grease chamber 101 that the oil plant high pressure that draws in the outside oil groove 30 injects main oil pressure cylinder seat 10; In the whole top of this hydraulic piston 51, the suffered pressure of these hydraulic piston 51 end faces this moment still imposes on the buffer brake of hydraulic piston 51 bottoms to this 3rd motor M3 that closes valve pressue device 40 through opening 501 greater than the oil plants in the grease chamber 101 with a bigger oiling pressure pressing.Therefore hydraulic piston 51 still descends to holding and terminates on this retaining edge 58 and seal this opening 501.35 pairs of grease chambeies of this grease chamber's pressue device 101 carry out supercharging and up promote this main piston 13, bestow the bigger strength of this sliding seat 16.And the supercharging of grease chamber 101 makes this spring piston 54 by up ejection, and block 541 is sealed the bottom of this intercostal port 522 fully, that is seals this asphalt channel, makes oil plant not have contrary anxiety of returning outside oil groove 30 in this stage.
3, sliding seat 16 is return fast, as Fig. 9: this grease chamber's pressue device 35 and close valve pressue device 40 and stop to activate.This first motor M1 controls this auxiliary piston 15 and contracts and move back, drive this sliding seat 16 quick deactuates, this main piston 13 descends with this sliding seat 16 and compresses oil plant, grease chamber's 101 pressure are increased, and, this fails because of closing valve pressue device 40, the suffered pressure of these hydraulic piston 51 end faces imposes on the buffer brake of hydraulic piston 51 bottoms through opening 501 less than the oil plant in the grease chamber 101, therefore hydraulic piston 51 and spring piston 54 up ejections of whole quilt, contrary this outside oil groove 30 that returns of the oil plant of its end face, the opening 501 that its bottom is communicated with grease chamber 101 is opened, and this advances/gate gurgle valve device 50 performance oil draining functions.Oil plant injects this outside oil groove 30 via opening 501, hydraulic fluid port 55 and oil pipe 56, and this main piston 13 and auxiliary piston 15 are replied immediately back soon.
Above-mentioned graphic in, the horizontal line H, the L that are plotted in the outside oil groove 30 change at the height of expression oil level.
Oil pressure facility of the present utility model still possess quick arrival operating position, pressurization, the actuating circulation such as return fast makes the advantage that is shortened process time.But of the present utility modelly advance/gate gurgle valve device 50 will advance, gate gurgle valve integrates, and cooperate above-mentioned actuating circulation to carry out switching motion, can reduce assembly space and simplify the assembling complexity, and advance, drain line comparatively do not commonly use the person and shortens, can shorten the time that oil plant moves again, and reduce the oil plant that stays in the pipeline, the movement pressure of major and minor piston 13,15 is diminished, accelerate the translational speed of major and minor piston 13,15, shortened process time again.
The utility model also comprises an anti-abrasion structure such as a Fig. 5, should anti-abrasion structure mainly establish an annular groove in the attrition surface of these main oil pressure cylinder seat 10 inwalls and main piston 13, bury a dissimilar metal ring 18 (as copper ring) in this annular groove underground, this dissimilar metal ring 18 slightly protrudes from this inside wall of cylinder, contact friction with these main piston 13 surfaces, and making main piston 13 surfaces produce a minim gap with the inside wall of cylinder, the abrasion of avoiding being in direct contact with one another prevent problems such as the friction of the main oil pressure inside wall of cylinder, distortion, oil impregnate in view of the above.When the abrasion phenomenon appears in dissimilar metal ring 18, it can be changed, reduce maintenance and change the spare part cost.
Claims (4)
1, a kind of hydraulic press with fast lifting function, comprise a main oil pressure cylinder seat (10), the peripheral correspondence position of this main oil pressure cylinder seat (10) is established second mate's oil hydraulic cylinder (14) at least, the main piston (13) of this main oil pressure cylinder seat (10) and the auxiliary piston (15) of secondary oil hydraulic cylinder (14) are fixed in a sliding seat (16) bottom jointly, by moving of this major and minor piston (13) (15), make sliding seat (16) with a holder (12) combination or separate; This main oil pressure cylinder (10) is connected with grease chamber's pressue device (35) and in addition and advances/gate gurgle valve device (50), and this advances/and gate gurgle valve device (50) links to each other with an outside oil groove (30), and closes valve pressue device (40) by one and controlled; The actuating of this hydraulic press can be divided into sliding seat (16) and be released fast grease chamber (101) the supercharging actuating that is positioned operating position, main oil pressure cylinder seat (10) and sliding seat (16) and three steps such as return fast; It is characterized in that:
This advances/gate gurgle valve device (50) have one can upper and lower activity in device hydraulic piston (51), this hydraulic piston (51) inner hollow, establish an open hollow gilled rings (52) in the below, respectively form an intercostal port (522) between the fin (521) of this hollow gilled rings (52); The outer wall of this hydraulic piston (51) is established at least one opening (53) and is communicated with this intercostal port (522), and this advances/and the outer wall of gate gurgle valve device (50) establishes a hydraulic fluid port (55) and communicates with the opening (53) of this hydraulic piston (51); The central authorities of this hollow gilled rings (52) establish a spring piston (54), the bottom break-through of this spring piston (54) goes out outside this hollow gilled rings (52) and in conjunction with a block (541), this block (541) relies on bottom this hydraulic piston (51) normally by the elastic force of this spring piston (54), and seals the bottom outlet of this intercostal port (522) fully.
2, the hydraulic press with fast lifting function as claimed in claim 1 is characterized in that: this main oil pressure cylinder seat (10) is also established an anti-abrasion structure.
3, the hydraulic press with fast lifting function as claimed in claim 2, it is characterized in that: this anti-abrasion structure is established an annular groove in the attrition surface of this main oil pressure cylinder seat (10) inwall and main piston (13), bury a dissimilar metal ring (18) in this annular groove underground, this dissimilar metal ring (18) slightly protrudes from this inside wall of cylinder, contacts friction with this main piston (13) surface.
4, the hydraulic press with fast lifting function as claimed in claim 3 is characterized in that: this dissimilar metal ring (18) is a copper ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03239983 CN2614887Y (en) | 2003-03-17 | 2003-03-17 | Oil press with fast up-down function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03239983 CN2614887Y (en) | 2003-03-17 | 2003-03-17 | Oil press with fast up-down function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2614887Y true CN2614887Y (en) | 2004-05-12 |
Family
ID=34249978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03239983 Expired - Fee Related CN2614887Y (en) | 2003-03-17 | 2003-03-17 | Oil press with fast up-down function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2614887Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143662A (en) * | 2013-03-07 | 2013-06-12 | 西安交通大学 | Oil-pump-free direct-drive type force control supercharged hydraulic machine provided with alternating current servo motor |
-
2003
- 2003-03-17 CN CN 03239983 patent/CN2614887Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143662A (en) * | 2013-03-07 | 2013-06-12 | 西安交通大学 | Oil-pump-free direct-drive type force control supercharged hydraulic machine provided with alternating current servo motor |
| CN103143662B (en) * | 2013-03-07 | 2015-04-15 | 西安交通大学 | Oil-pump-free direct-drive type force control supercharged hydraulic machine provided with alternating current servo motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040512 Termination date: 20110317 |