CN202367945U - Pressure welding hydraulic device for producing elastic metallic plastic pads - Google Patents
Pressure welding hydraulic device for producing elastic metallic plastic pads Download PDFInfo
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- CN202367945U CN202367945U CN2011205382447U CN201120538244U CN202367945U CN 202367945 U CN202367945 U CN 202367945U CN 2011205382447 U CN2011205382447 U CN 2011205382447U CN 201120538244 U CN201120538244 U CN 201120538244U CN 202367945 U CN202367945 U CN 202367945U
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Abstract
The utility model relates to a pressure welding hydraulic device for producing elastic metallic plastic pads, which is applied in the pressure welding procedure of producing water turbine elastic metallic plastic pad parts and is used for providing required stable external pressure for pressure welding workpieces. The pressure welding hydraulic device for producing the elastic metallic plastic pads comprises a heating plate, a pressure plate, an oil cylinder and a hydraulic control circuit, wherein the oil cylinder is connected with the pressure plate through a piston rod, and the hydraulic control circuit is provided with a three-position four-way electromagnetic changeover valve, a hydraulic pressure gauge I and a relief valve III and the like. The pressure welding hydraulic device for producing the elastic metallic plastic pads is characterized in that a pipeline is arranged between the hydraulic pressure gauge I and the relief valve III and is further divided into a branch pipeline I and a branch pipeline II, and the branch pipeline I and the branch pipeline II are controlled by a high-pressure ball valve I and a high-pressure ball valve II respectively; the branch pipeline I returns to an oil tank after being successively connected in a series mode with a loop which is composed of a hydraulic pressure gauge II and two parallel relief valve IV and relief valve V; and the branch pipeline II returns to the oil tank after being successively connected in a series mode with a loop which is composed of a hydraulic pressure gauge III and two parallel relief valve VI and relief valve VII. The pressure welding hydraulic device for producing the elastic metallic plastic pads has the advantages that the time for adjusting the required pressure is shortened, and the pressure can be accurate to 0.01 megapascal.
Description
Technical field
The utility model relates to produces the pressure welding hydraulic test that elastic metal plastic tile is used; Be applied to the pressure welding operation in the hydraulic generator unit elastic metal plastic tile piece manufacturing process, the stable external pressure of on a large scale, accurately regulating of regulation is provided to the pressure welding workpiece.
Background technology
Elastic metal plastic tile is formed through soldering by metal unbaked tile and composite plastic layer.Its soldering operation is the slicker solder melt-blended scolder that the surperficial copper wire pad with the composite plastic tiling of the unbaked tile after preheating is carried additionally fusing respectively, then unbaked tile and plastic layer is carried out pressure welding with press device, and pressurize naturally cools to 130 ℃.The tiling pressure that the elastic metal plastic tile pressure welding requires is 7.5MPa, and deviation must not surpass 0.5MPa.
Existing pressure welding hydraulic test comprises heating plate, pressure plate and the oil cylinder that directly links to each other through piston rod with pressure plate; Also comprise the hydraulic control circuit, this control circuit has a 3-position 4-way solenoid directional control valve, and the oil-out of the oiler P of 3-position 4-way solenoid directional control valve coaxial plunger variable pump behind overflow valve I and screen pack links to each other; The oil return inlet T of 3-position 4-way solenoid directional control valve links to each other with the oil sump tank pipeline; The actuator port A of 3-position 4-way solenoid directional control valve links to each other with oil cylinder hydraulic fluid port O2 behind overflow valve II; The actuator port B of 3-position 4-way solenoid directional control valve links to each other with oil cylinder hydraulic fluid port O1 behind check valve and choke valve, and hydralic pressure gauge and overflow valve III are installed between check valve and choke valve.The pressure that this pressure welding hydraulic test is provided is 2000KN, and hydralic pressure gauge gauge pressure 0 to 25MPa is regulated, and the meter reading precision is 0.5MPa, and the reaction pressure error is 40KN, to less than 800C m
2The tiling area can't satisfy pressure welding pressure divergence 0.5MPa required precision, the more little trueness error of tiling is big more.
Because the elastic metal-plastic specification of producing is many, the tiling area differs greatly, and the pressure of the pressure welding hydraulic test that uses must accurately be regulated in a big way.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned weak point of the prior art, the pressure welding hydraulic test that the production elastic metal plastic tile that provides a kind of interior accurately adjusting to bestow pressure welding workpiece active force is on a large scale used.
Produce the pressure welding hydraulic test that elastic metal plastic tile is used, comprise heating plate, pressure plate and the oil cylinder that directly links to each other through piston rod with pressure plate; Also comprise the hydraulic control circuit, this control circuit has a 3-position 4-way solenoid directional control valve, and the oil-out of the oiler P of 3-position 4-way solenoid directional control valve coaxial plunger variable pump behind overflow valve I and screen pack links to each other; The oil return inlet T of 3-position 4-way solenoid directional control valve links to each other with the oil sump tank pipeline; The actuator port A of 3-position 4-way solenoid directional control valve links to each other with oil cylinder hydraulic fluid port O2 behind overflow valve II; The actuator port B of 3-position 4-way solenoid directional control valve links to each other with oil cylinder hydraulic fluid port O1 behind check valve and choke valve, and hydralic pressure gauge I and overflow valve III are installed between check valve and choke valve; It is characterized in that between hydralic pressure gauge I and overflow valve III, drawing a pipeline, and then be divided into branch road I and the branch road II that receives high-pressure ball valve I and high-pressure ball valve II control respectively; Branch road I goes up and to get back to fuel tank after successive bursts is linked the loop of hydraulic pressure Table II and two overflow valve IV parallel with one another and overflow valve V composition; Branch road II goes up and to get back to fuel tank after successive bursts is linked the loop of hydraulic pressure Table III and two overflow valve VI parallel with one another and overflow valve VII composition.
The pressure welding hydraulic test that above-mentioned production elastic metal plastic tile is used, its characteristic are that also the precision of hydralic pressure gauge I, hydraulic pressure Table II, hydraulic pressure Table III is respectively 0.5MPa, 0.2MPa, 0.1MPa; Range is respectively 0～40MPa, 0～15MPa, 0～8MPa.
The utility model is compared prior art and is had following advantage:
1, sectional-regulated pressure, thus must the gauge pressure coordinate diagram can quick adjustment go out the pressure of institute's palpus, the shortening of adjusting time according to the area of elastic metal plastic tile and institute.
2, the Pressure gauge that service precision is high can be accurate to 0.1MPa to pressure, and this has just guaranteed the pressure welding workpiece welding quality that area is little.
Description of drawings
Fig. 1 is the structural representation of existing pressure welding equipment.
1 is heating plate among the figure, the 2nd, and unbaked tile pressure welding workpiece, the 3rd, plastics pressure welding workpiece, the 4th, pressure plate; The 5th, oil cylinder, the 6th, hydraulic control one-way valve, the 7th, choke valve, the 8th, hydralic pressure gauge I; The 9th, overflow valve III, the 10th, check valve, 11 is the logical reversal valves of three four electromagnetism, the 12nd, overflow valve I; The 13rd, screen pack, the 14th, shaft orientation plunger variable pump, the 15th, motor, the 16th, overflow valve II.
Fig. 2 is the pipeline structure figure that the utility model seals in part.
20 is access ports among the figure, the 21st, and high-pressure ball valve I, the 22nd, hydraulic pressure Table II, the 23rd, overflow valve IV, the 24th, overflow valve V, the 25th, overflow valve VII, the 26th, overflow valve VI, the 27th, hydraulic pressure Table III, the 28th, high-pressure ball valve II.
Fig. 3 is the coordinate diagram between unbaked tile pressure welding workpiece tiling area and the required applied pressure (pressure).
Fig. 4 is the utility model structural representation.
1 is heating plate among the figure, the 2nd, and unbaked tile pressure welding workpiece, the 3rd, plastics pressure welding workpiece, the 4th, pressure plate; The 5th, oil cylinder, the 6th, hydraulic control one-way valve, the 7th, choke valve, the 8th, hydralic pressure gauge I; The 9th, overflow valve III, the 10th, check valve, 11 is the logical reversal valves of three four electromagnetism, the 12nd, overflow valve I; The 13rd, screen pack, the 14th, shaft orientation plunger variable pump, the 15th, motor, the 16th, overflow valve II; The 20th, access port, the 21st, high-pressure ball valve I, the 22nd, hydraulic pressure Table II, the 23rd, overflow valve IV, the 24th, overflow valve V, the 25th, overflow valve VII, the 26th, overflow valve VI, the 27th, hydraulic pressure Table III, the 28th, high-pressure ball valve II.
The specific embodiment
Produce the pressure welding hydraulic test that elastic metal plastic tile is used, comprise heating plate (1), pressure plate (4) and the oil cylinder (5) that directly links to each other through piston rod with pressure plate (4).Need workpiece unbaked tile, scolder, the tiling of pressure welding to be clipped between pressure plate (4) and the heating plate (1).The temperature of welding is the temperature of heating plate (1), by the electronic circuit control of control temperature of heating plate.Weld needed pressure (pressure) then by oil cylinder (5) to bestowing active force to applying plate (4) through piston rod.The hydraulic pressure size of oil cylinder (5) is by its hydraulic control circuit control.This control circuit has a 3-position 4-way solenoid directional control valve (11), and the oil-out of the oiler P of 3-position 4-way solenoid directional control valve (11) coaxial plunger variable pump (14) behind overflow valve I (12) and screen pack (13) links to each other; The oil return inlet T of 3-position 4-way solenoid directional control valve (11) links to each other with the oil sump tank pipeline; The actuator port A of 3-position 4-way solenoid directional control valve (11) links to each other with oil cylinder (5) hydraulic fluid port O2 behind overflow valve II (16); The actuator port B of 3-position 4-way solenoid directional control valve (11) links to each other with oil cylinder (5) hydraulic fluid port O1 behind check valve (10) and choke valve (7), and hydralic pressure gauge I (8) and overflow valve III (9) are installed between check valve (10) and choke valve (7).The improvements of the utility model are between hydralic pressure gauge I (8) and overflow valve III (9), to draw a pipeline, and then are divided into branch road I and the branch road II that receives high-pressure ball valve I (21) and high-pressure ball valve II (28) control respectively; Branch road I goes up and to get back to fuel tank after successive bursts is linked the loop of hydraulic pressure Table II (22) and two overflow valve IV (23) parallel with one another and overflow valve V (24) composition; Branch road II goes up and to get back to fuel tank after successive bursts is linked the loop of hydraulic pressure Table III (27) and two overflow valve VI (26) parallel with one another and overflow valve VII (25) composition.Two overflow valves on every branch road among branch road I and the branch road II, one as safety valve, in order to avoid hypertonia is damaged Pressure gauge, another regulates the accurate pressure value as control valve.
In order to satisfy the needs of the little tiling of pressure welding, embodiment scheme of the precision of each hydralic pressure gauge and range is: the precision of hydralic pressure gauge I (8), hydraulic pressure Table II (22), hydraulic pressure Table III (27) is respectively 0.5MPa, 0.2MPa, 0.1MPa; Range is respectively 0～40MPa, 0～15MPa, 0～8MPa.
The utility model adopts the segmentation pressure regulation: the required pressure in coordinate diagram (Fig. 3) the mesohigh district between institute's pressure welding tiling area and the required applied pressure (pressure), middle nip, low-pressure area is sectional-regulated by following three pipelines respectively:
Hydralic pressure gauge I (8) the place pipeline of (i) closing simultaneously under high-pressure ball valve I (21) and the high-pressure ball valve II (28) is regulated.
(ii) close high-pressure ball valve II (28), open the pipeline at hydraulic pressure Table II (22) place under the high-pressure ball valve I (21) and regulate.
(iii) close high-pressure ball valve I (21), hydraulic pressure Table III (27) the place pipeline of opening under the high-pressure ball valve II (28) is regulated.
The utility model in use, according to desiring pressure welding tiling real area, reference coordinates figure confirms that institute desires applied pressure (pressure), utilizes which hydralic pressure gauge to belong to pipeline according to this pressure selection then and regulates pressure (pressure), close other pipeline.Then 3-position 4-way solenoid directional control valve (11) is changed to oil cylinder (5) position of exerting pressure, accurately adjust behind the required pressure can through adjustment choke valve (7) slowly or apace bestow pressure plate (4) accurately force value give the pressure welding workpiece, pressurize naturally cools to 130 ℃.After welding was accomplished, 3-position 4-way solenoid directional control valve (11) was changed to oil cylinder (5) and is removed the pressure position, and hydraulic control one-way valve (6) is opened, and the middle working oil of oil cylinder (5) is situated between and gets back to fuel tank apace.
Claims (2)
1. produce the pressure welding hydraulic test that elastic metal plastic tile is used, comprise heating plate (1), pressure plate (4) and the oil cylinder (5) that directly links to each other through piston rod with pressure plate (4); Also comprise the hydraulic control circuit, this control circuit has a 3-position 4-way solenoid directional control valve (11), and the oil-out of the oiler P of 3-position 4-way solenoid directional control valve (1) coaxial plunger variable pump (14) behind overflow valve I (12) and screen pack (13) links to each other; The oil return inlet T of 3-position 4-way solenoid directional control valve (11) links to each other with the oil sump tank pipeline; The actuator port A of 3-position 4-way solenoid directional control valve (11) links to each other with oil cylinder (5) hydraulic fluid port O2 behind overflow valve II (16); The actuator port B of 3-position 4-way solenoid directional control valve (11) links to each other with oil cylinder (5) hydraulic fluid port O1 behind check valve (10) and choke valve (7), and hydralic pressure gauge I (8) and overflow valve III (9) are installed between check valve (10) and choke valve (7); It is characterized in that between hydralic pressure gauge I (8) and overflow valve III (9), drawing a pipeline, and then be divided into branch road I and the branch road II that receives high-pressure ball valve I (21) and high-pressure ball valve II (28) control respectively; Branch road I goes up and to get back to fuel tank after successive bursts is linked the loop of hydraulic pressure Table II (22) and two overflow valve IV (23) parallel with one another and overflow valve V (24) composition; Branch road II goes up and to get back to fuel tank after successive bursts is linked the loop of hydraulic pressure Table III (27) and two overflow valve VI (26) parallel with one another and overflow valve VII (25) composition.
2. the pressure welding hydraulic test that production elastic metal plastic tile according to claim 1 is used, its characteristic are that also the precision of hydralic pressure gauge I (8), hydraulic pressure Table II (22), hydraulic pressure Table III (27) is respectively 0.5MPa, 0.2MPa, 0.1MPa; Range is respectively 0～40MPa, 0～15MPa, 0～8MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205382447U CN202367945U (en) | 2011-12-20 | 2011-12-20 | Pressure welding hydraulic device for producing elastic metallic plastic pads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205382447U CN202367945U (en) | 2011-12-20 | 2011-12-20 | Pressure welding hydraulic device for producing elastic metallic plastic pads |
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| Publication Number | Publication Date |
|---|---|
| CN202367945U true CN202367945U (en) | 2012-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205382447U Expired - Fee Related CN202367945U (en) | 2011-12-20 | 2011-12-20 | Pressure welding hydraulic device for producing elastic metallic plastic pads |
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| CN (1) | CN202367945U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148032A (en) * | 2013-03-26 | 2013-06-12 | 河海大学常州校区 | Alternating-loading hydraulic system |
| CN103148033A (en) * | 2013-03-26 | 2013-06-12 | 河海大学常州校区 | Alternating-loading hydraulic system |
| CN104595285A (en) * | 2014-12-19 | 2015-05-06 | 广德平江竹业制作有限公司 | Energy-saving board pressing machine for bamboo boards |
| CN110332155A (en) * | 2019-07-19 | 2019-10-15 | 中国航发沈阳发动机研究所 | A kind of hydraulic loading system |
-
2011
- 2011-12-20 CN CN2011205382447U patent/CN202367945U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148032A (en) * | 2013-03-26 | 2013-06-12 | 河海大学常州校区 | Alternating-loading hydraulic system |
| CN103148033A (en) * | 2013-03-26 | 2013-06-12 | 河海大学常州校区 | Alternating-loading hydraulic system |
| CN103148033B (en) * | 2013-03-26 | 2016-01-20 | 河海大学常州校区 | A kind of Study of Cyclic Loading hydraulic system |
| CN103148032B (en) * | 2013-03-26 | 2016-01-20 | 河海大学常州校区 | A kind of Study of Cyclic Loading hydraulic system |
| CN104595285A (en) * | 2014-12-19 | 2015-05-06 | 广德平江竹业制作有限公司 | Energy-saving board pressing machine for bamboo boards |
| CN110332155A (en) * | 2019-07-19 | 2019-10-15 | 中国航发沈阳发动机研究所 | A kind of hydraulic loading system |
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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: 20120808 Termination date: 20121220 |