CN202639011U - Hydraulic machine used for plate heat exchanger plate sheet press forming - Google Patents
Hydraulic machine used for plate heat exchanger plate sheet press forming Download PDFInfo
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- CN202639011U CN202639011U CN 201220176998 CN201220176998U CN202639011U CN 202639011 U CN202639011 U CN 202639011U CN 201220176998 CN201220176998 CN 201220176998 CN 201220176998 U CN201220176998 U CN 201220176998U CN 202639011 U CN202639011 U CN 202639011U
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- cylinder
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- heat exchanger
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- table plate
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Abstract
The utility model discloses a hydraulic machine used for plate heat exchanger plate sheet press forming. The hydraulic machine comprises a load bearing machine frame, a movable beam, a main operating cylinder, an upper working table plate, a lower working table plate, a guide pillar and a guide sleeve. The movable beam is longitudinally arranged inside the load bearing machine frame in a sliding mode. The cylinder bottom of the main operating cylinder is fixedly connected with a bottom plane of an upper beam of the load bearing machine frame or an upper plane of the movable beam. The movable beam is fixedly connected with the upper working table plate, and the lower working table plate is fixedly connected a position opposite to the machine frame. The guide pillar is fixed inside the load bearing machine frame, the guide sleeve is fixedly connected with the movable beam, and the guide sleeve is matched with the guide pillar in a sliding mode. The projection of the outer outline of the cylinder bottom of the main operating cylinder on a horizontal plane comprehensively covers a working face of the upper working table plate and a working face of the lower working table plate. The hydraulic machine used for the plate heat exchanger plate sheet press forming enables normal pressure exerted on a plate sheet by the upper working table plate to be uniform, and guarantees pressing precision of the plate sheet; and accumulated errors are small after multiple plate sheets are pressed in a laminating mode, quantity of the plate sheets of a plate heat interchanger is increased, and heat exchanging ability of the plate heat interchanger is improved.
Description
Technical field
The utility model relates to a kind of great tonnage hydraulic machine, and is particularly a kind of for the compressing hydraulic press of metal plate formula heat exchanger plate.
Background technology
Metal plate formula heat exchanger is widely used in various powerful heat-exchange systems, such as metallurgy, machinery, electric power, food and chemical industry, the particularly heat exchanger in each loop of nuclear power.Metal plate formula heat exchanger is by many corrugated sheets that are suppressed with---heat exchanger plate, at regular intervals, pass through gasket seal all around, and with framework with compress the overlapping compression of spiral and form, the hole, four angles of plate and pad has formed distributing pipe and the manifold trunk of fluid, reasonably cold fluid and hot fluid is separated again simultaneously, it is flowed in the runner of every plate both sides respectively, carry out heat exchange by the conduction of plate heat, the exchange capability of heat of heat exchanger directly depends on the quantity of its plate in heat exchange, No. of plates is more, its exchange capability of heat is stronger, yet the cumulative errors between the more plates of plate are just larger, and is just higher to the plate requirement on machining accuracy, if the wave depth error of plate is large, will be easy to cause the heat exchanger inefficacy of leaking.The plate size of heat exchanger is large, and common hydraulic press is difficult to its precision of assurance when punch forming, and main cause is that the blanketed zone normal pressure is inhomogeneous.The frame of metal plate formula heat exchanger hydraulic press is divided into single memorial archway and Double-memorial arch frame, and each memorial archway is divided into again sheet frame type memorial archway and compressor wire winding-type.
The utility model content
In order to remedy above deficiency, it is a kind of for the compressing hydraulic press of metal plate formula heat exchanger plate that the utility model provides, the high plate wave degree of depth of suppressing of normal pressure uniformity that should be used for the compressing hydraulic press upper table plate of metal plate formula heat exchanger plate is even, and dimensional accuracy is high.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of for the compressing hydraulic press of metal plate formula heat exchanger plate, comprise the framework for support that at least one memorial archway forms, moved cross beam, main operating cylinder, the upper table plate, the lower table plate, guide pillars and bushes, moved cross beam vertically can slide and be located in the framework for support, the baseplane that the cylinder bottom of main operating cylinder and framework for support are put the beams in place or the upper plane of moved cross beam are connected, moved cross beam bottom surface and upper table plate are connected, lower table plate and frame corresponding position are connected, guide pillar is fixed in the framework for support, guide pin bushing and moved cross beam are connected, guide pin bushing and guide pillar are slidingly matched, and the cylinder bottom outline of described main operating cylinder covers in the projection of horizontal plane comprehensively, the working face of lower table plate.
As the further improvement of utility model, described frame is that compressor wire twines a kind of in the frame-type frame of frame and non-steel wire winding.
Further improvement as utility model, the quantity of described main operating cylinder is five, comprise a master cylinder and four auxiliary oil cylinders, these four auxiliary oil cylinders are uniformly distributed in master cylinder along the both sides of upper table plate length direction, and described auxiliary oil cylinder diameter is less than the master cylinder diameter.
As the further improvement of utility model, described four auxiliary oil cylinders are all tangent with master cylinder periphery face, and the auxiliary oil cylinder periphery face of master cylinder both sides is mutually tangent respectively.
As the further improvement of utility model, described master cylinder oil pressure is not higher than the oil pressure of auxiliary oil cylinder.
Further improvement as utility model, the number of described main operating cylinder is four, comprise two master cylinders and two secondary cylinders, described two master cylinders are symmetrical along the working plate length direction, two secondary cylinders are symmetrical along the working plate width, and described two secondary cylinders are also tangent with two master cylinders respectively between two master cylinders.
As the further improvement of utility model, described main operating cylinder is a non-circular oil cylinder, and this non-circular oil cylinder is a kind of in oval cylinder and the strip cylinder, and this non-circular oil cylinder long axis direction is consistent with upper table plate long side direction.
As the further improvement of utility model, described strip cylinder is comprised of two semicircles and a rectangular configuration, and the diameter of described semicircle equates with the bond length of rectangle.
As the further improvement of utility model, described main operating cylinder is the rectangular oil cylinder at four rounding of angle angles.
As the further improvement of utility model, described main operating cylinder is a circular cylinder (ultra-large type), and described circular cylinder diameter is less than the long edge lengths 10～50mm of upper table plate.
Useful technique effect of the present utility model is: the utility model by main operating cylinder cover comprehensively the upper table plate effective working face so that the compacting interface normal pressure between upper and lower working plate be evenly distributed, and then guarantee that the upper table plate is applied to the uniformity of the normal pressure on the plate, guaranteed plate compacting precision, so that on the plate each wave depth dimensions in the margin of tolerance, cumulative errors after the multi-disc plate laminates are little, effectively improve the plate type heat exchanger No. of plates, improve its exchange capability of heat.
Description of drawings
Fig. 1 is that the narrow limit of upper and lower working plate is the schematic diagram of the positive single memorial archway frame of press;
Fig. 2 is that the narrow limit of upper and lower working plate is the schematic diagram of press front Double-memorial arch frame;
Fig. 3 is that upper and lower working plate broadside is the schematic diagram of the positive single memorial archway frame of press;
Fig. 4 is the layout schematic diagram that circular main operating cylinder diameter increases design successively;
Fig. 5 is five cylinder scheme master cylinders and auxiliary oil cylinder distribution schematic diagram;
Fig. 6 is that oval-shaped non-circular oil cylinder position is arranged schematic diagram;
Fig. 7 is the rectangular oil cylinder location arrangements schematic diagram at four rounding of angle angles;
Fig. 8 is that the non-circular oil cylinder position of strip is arranged schematic diagram;
Fig. 9 four cylinder scheme master cylinders and secondary cylinder distribution schematic diagram;
Compacting interface normal pressure scatter chart when Figure 10 suppresses for the employing different schemes.
The specific embodiment
Embodiment: a kind of for the compressing hydraulic press of metal plate formula heat exchanger plate, comprise the framework for support 11 that at least one memorial archway forms, moved cross beam, main operating cylinder, upper table plate 12, the lower table plate, guide pillars and bushes, moved cross beam vertically can slide and be located in the framework for support 11, the baseplane that the cylinder bottom of main operating cylinder and framework for support 11 are put the beams in place or the upper plane of moved cross beam are connected, moved cross beam bottom surface and upper table plate 12 are connected, lower table plate and frame corresponding position are connected, guide pillar is fixed in the framework for support 11, guide pin bushing and moved cross beam are connected, guide pin bushing and guide pillar are slidingly matched, the cylinder bottom outline of described main operating cylinder covers in the projection of horizontal plane comprehensively, the working face of lower table plate, this kind structure makes the connection and reasonable arrangement of winner's operating cylinder (one or more) and upper table plate 12, the contact area maximization, this is just so that upper table plate 12 guarantees that under limited thickness condition normal pressure is even, guarantee that plate compacting precision is high, guarantee that the wave degree of depth on the plate is even, cumulative errors after the multi-disc plate laminates are little, effectively improve the heat exchanger exchange capability of heat.Adopt table top to be coated on the interior structure (namely going up the direction of operating that the lower table long side direction is frame) of frame fully, the normal pressure of working plate distributes more even.
Described frame is that compressor wire twines a kind of in the frame-type frame of frame and non-steel wire winding.
The quantity of described main operating cylinder is five, comprise a master cylinder 13 and four auxiliary oil cylinders 14, these four auxiliary oil cylinders 14 are uniformly distributed in master cylinder along the both sides of upper table plate 12 length directions, described auxiliary oil cylinder 14 diameters are less than the master cylinder diameter, adopt five cylinder structures, 1/2 press tonnage is produced by middle master cylinder, other 4 auxiliary oil cylinders 14 are distributed in the upper table plate 12 of master cylinder both sides, common 1/2 the press tonnage that produces, the press power that 4 auxiliary oil cylinders 14 of the master cylinder both sides that mediate have just in time remedied four jiaos of under-voltage districts on the upper table plate 12 is not enough, can guarantee that oil cylinder is applied to the normal pressure uniformity on the upper table plate 12, and then guarantee that upper table plate 12 is applied to the uniformity of the normal pressure on the plate, guarantee plate compacting precision, guarantee each wave depth dimensions in the margin of tolerance, this is just in the situation that the certain uniformity that farthest improves normal pressure of moved cross beam thickness.This scheme has obvious superiority relatively through finite element analysis and other scheme in design, proves also that after a large amount of test of process this scheme has absolute superiority in various aspects such as processing and manufacturing, adjusting use, machining accuracies.
Described four auxiliary oil cylinders 14 are all tangent with master cylinder periphery face, and the auxiliary oil cylinder 14 periphery faces of master cylinder both sides are mutually tangent respectively, guarantee that farthest the normal pressure of active operation table top is even.
Described master cylinder oil pressure is not higher than the oil pressure of auxiliary oil cylinder 14, and take 1.2 ten thousand tons of hydraulic presses as example, the master cylinder oil pressure is 60Mpa, and auxiliary oil cylinder 14 oil pressure are 100 Mpa.
The number of described main operating cylinder is four, comprise two master cylinders 19 and two secondary cylinders 20, described two master cylinders 19 are symmetrical along the working plate length direction, two secondary cylinders 20 are symmetrical along the working plate width, described two secondary cylinders 20 are also tangent with two master cylinders 19 respectively between two master cylinders 19, and two secondary cylinders 20 double as quick idle running downwards and quick return.
Described main operating cylinder is a non-circular oil cylinder, this non-circular oil cylinder is a kind of in oval cylinder 15 and the strip cylinder 16, this non-circular oil cylinder long axis direction is consistent with upper table plate 12 long side directions, by this abnormity design, make winner's operating cylinder farthest cover upper table plate 12, guarantee that the normal pressure uniformity on the upper table plate 12 is high, and then improve the compacting precision.
Described strip cylinder 16 is comprised of two semicircles and a rectangular configuration, and the diameter of described semicircle equates with the bond length of rectangle.
Described main operating cylinder is the rectangular oil cylinder at four rounding of angle angles, comprises rectangle and square.
Described main operating cylinder is a circular cylinder (ultra-large type), described circular cylinder diameter is less than upper table plate 12 long edge lengths 10～50mm, this scheme is for increasing the diameter of main operating cylinder, adopt the oil cylinder of diameter super large, hydraulic cylinder covers upper table plate 12(active operation table top), the external diameter of oil cylinder almost equates with workbench face length limit; Can not interfere with frame simultaneously so that main operating cylinder farthest covers upper table plate 12 like this, guarantee the security of work.
After adopting following different solution compacting interface normal pressure is carried out finite element analysis: main operating cylinder is the five cylinder schemes that distribute of five oil cylinders, main operating cylinder for being that little cylinder 18 schemes, the main operating cylinder of the circular oil cylinder of 380mm is that single radius is that middle cylinder 19 schemes, the main operating cylinder of the circular oil cylinder of 600mm is that single radius is vat 20 schemes of circular oil cylinder of 800mm and the non-circular oil cylinder scheme that main operating cylinder is oval cylinder 15 for single radius; Compacting interface normal pressure obtains a compacting interface normal pressure distribution curve through finite element analysis, and the pressure distribution situation of little cylinder (radius is the main operating cylinder of 380mm circle) when suppressing on the work top adopted in curve 1 expression among the figure; The pressure distribution situation of cylinder (radius is the main operating cylinder of 600mm circle) when suppressing on the work top during curve 2 expressions are adopted; Curve 3 expression employing vats (radius is the main operating cylinder of 800mm circle) are suppressed the pressure distribution situation on the interface when suppressing; The oval cylinder 15 of curve 4 expression employings carries out the pressure distribution situation on the press face; Curve 5 expression employings five cylinder schemes are carried out the pressure distribution situation on the press face; Curve 7 expression employings four cylinders carry out the pressure distribution situation on the press face; Curve 5 expression employings five cylinder schemes are carried out the pressure distribution situation on the press face; The equally distributed normal pressure distribution situation of curve 6 expression perfect conditions, can be clearly seen that from this compacting interface normal pressure scatter chart: normal pressure is very high in the middle of the little cylinder scheme, and both sides are very low; The relatively little cylinder of normal pressure descends in the middle of the middle cylinder scheme, and the relatively little cylinder in both sides is higher; The relatively little cylinder of vat scheme normal pressure and the further homogenising of middle cylinder; Pressure inhomogeneities on the oval cylinder scheme compacting interface still is better than the situation of middle cylinder greater than the situation of vat; The situation that pressure inhomogeneities on the four cylinder schemes compacting interface is better than vat is good, pressure uniformity on the five cylinder schemes compacting interface is near desirable even press power distribution curve, therefore in the circular cylinder scheme, the normal pressure on the larger compacting of the diameter of the oil cylinder interface distributes more even; And the normal pressure on the interface processed of five cylinder schemes distributes near ideal value, and namely the normal pressure of this scheme distributes the most even.
Claims (10)
1. one kind is used for the compressing hydraulic press of metal plate formula heat exchanger plate, comprise the framework for support (11) that at least one memorial archway forms, moved cross beam, main operating cylinder, upper table plate (12), the lower table plate, guide pillars and bushes, moved cross beam vertically can slide and be located in the framework for support (11), the baseplane that the cylinder bottom of main operating cylinder and framework for support (11) are put the beams in place or the upper plane of moved cross beam are connected, moved cross beam bottom surface and upper table plate (12) are connected, lower table plate and frame corresponding position are connected, guide pillar is fixed in the framework for support (11), guide pin bushing and moved cross beam are connected, guide pin bushing and guide pillar are slidingly matched, and it is characterized in that: the cylinder bottom outline of described main operating cylinder covers in the projection of horizontal plane comprehensively, the working face of lower table plate.
2. as claimed in claim 1 for the compressing hydraulic press of metal plate formula heat exchanger plate, it is characterized in that: described frame is that compressor wire twines a kind of in the frame-type frame of frame and non-steel wire winding.
3. as claimed in claim 1 for the compressing hydraulic press of metal plate formula heat exchanger plate, it is characterized in that: the quantity of described main operating cylinder is five, comprise a master cylinder (13) and four auxiliary oil cylinders (14), these four auxiliary oil cylinders (14) are uniformly distributed in master cylinder along the both sides of upper table plate (12) length direction, and described auxiliary oil cylinder (14) diameter is less than the master cylinder diameter.
4. as claimed in claim 3 for the compressing hydraulic press of metal plate formula heat exchanger plate, it is characterized in that: described four auxiliary oil cylinders (14) are all tangent with master cylinder periphery face, and the auxiliary oil cylinder of master cylinder both sides (14) periphery face is mutually tangent respectively.
5. as claimed in claim 4 for the compressing hydraulic press of metal plate formula heat exchanger plate, it is characterized in that: described master cylinder oil pressure is not higher than the oil pressure of auxiliary oil cylinder (14).
6. as claimed in claim 1 for the compressing hydraulic press of metal plate formula heat exchanger plate, it is characterized in that: the number of described main operating cylinder is four, comprise two master cylinders (19) and two secondary cylinders (20), described two master cylinders (19) are symmetrical along the working plate length direction, two secondary cylinders (20) are symmetrical along the working plate width, and described two secondary cylinders (20) are positioned between two master cylinders (19) also tangent with two master cylinders (19) respectively.
7. as claimed in claim 1 for the compressing hydraulic press of metal plate formula heat exchanger plate, it is characterized in that: described main operating cylinder is a non-circular oil cylinder, this non-circular oil cylinder is a kind of in oval cylinder (15) and the strip cylinder (16), and this non-circular oil cylinder long axis direction is consistent with upper table plate (12) long side direction.
8. as claimed in claim 7 for the compressing hydraulic press of metal plate formula heat exchanger plate, it is characterized in that: described strip cylinder (16) is comprised of two semicircles and a rectangular configuration, and the diameter of described semicircle equates with the bond length of rectangle.
9. as claimed in claim 1 for the compressing hydraulic press of metal plate formula heat exchanger plate, it is characterized in that: described main operating cylinder is the rectangular oil cylinder (17) at four rounding of angle angles.
10. as claimed in claim 1 for the compressing hydraulic press of metal plate formula heat exchanger plate, it is characterized in that: described main operating cylinder is a circular cylinder, and described circular cylinder diameter is less than the long edge lengths 10～50mm of upper table plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220176998 CN202639011U (en) | 2012-04-24 | 2012-04-24 | Hydraulic machine used for plate heat exchanger plate sheet press forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220176998 CN202639011U (en) | 2012-04-24 | 2012-04-24 | Hydraulic machine used for plate heat exchanger plate sheet press forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639011U true CN202639011U (en) | 2013-01-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220176998 Withdrawn - After Issue CN202639011U (en) | 2012-04-24 | 2012-04-24 | Hydraulic machine used for plate heat exchanger plate sheet press forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202639011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372590A (en) * | 2012-04-24 | 2013-10-30 | 昆山永年先进制造技术有限公司 | Hydraulic press for press forming of sheet plates of plate type heat exchanger |
-
2012
- 2012-04-24 CN CN 201220176998 patent/CN202639011U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372590A (en) * | 2012-04-24 | 2013-10-30 | 昆山永年先进制造技术有限公司 | Hydraulic press for press forming of sheet plates of plate type heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20150902 |
|
| RGAV | Abandon patent right to avoid regrant |