CN204505880U - Lever punch press structure - Google Patents
Lever punch press structure Download PDFInfo
- Publication number
- CN204505880U CN204505880U CN201420832937.0U CN201420832937U CN204505880U CN 204505880 U CN204505880 U CN 204505880U CN 201420832937 U CN201420832937 U CN 201420832937U CN 204505880 U CN204505880 U CN 204505880U
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- Prior art keywords
- connecting rod
- workbench
- table surface
- upper table
- balancing weight
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- 229910000831 Steel Inorganic materials 0.000 abstract description 29
- 239000010959 steel Substances 0.000 abstract description 29
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
Cause original hydraulic press can not complete compacting work for solving because raw materials size changes, and again purchase hydraulic press cost can be brought significantly to increase, equipment conveying and maintenance can take the problem of a large amount of manpower and materials, the utility model proposes a kind of lever punch press structure, comprise connecting rod, workbench, support and balancing weight; Support comprises base and bracing frame, and bracing frame is vertically set on one end of base; One end of connecting rod is arranged on bracing frame by rotating shaft; Workbench comprises upper table surface and following table, and upper table surface is arranged on the downside of connecting rod, and the base that following table is arranged on support correspondingly with the upper table surface of workbench is arranged; One end that balancing weight and connecting rod are arranged on bracing frame is fixedly connected with.The utility model lever punch press structure structure is simple, and production cost is low, can meet the compacting demand of different size and specification steel plate.After having suppressed, the upper table surface energy automatic re-ascending of workbench, hydraulic press load is light, economize energy.
Description
Technical field
The utility model relates to a kind of pressure apparatus, particularly relates to a kind of pressure mechanism for suppressing large scale steel plate.
Background technology
The EM7 field fabrication tank work of CPR1000 nuclear power projects comprises ASG basin, the spherical top cover being designed to the steel plate butt welding of 13 pieces of width about 3m (rice) of ASG large tank upper cover, but due in early stage work progress, there is no the steel plate that can meet design size, therefore this upper cover is changed to the welding after the steel plate compacting of about 2m of 20 pieces of width shaping.In recent years, along with the manufacturing development of raw material, can produce the steel plate meeting former design size, therefore will according to former design drawing during construction, adopt 13 block plate weldings, reduce weld seam number to reach, promote basin upper cover intensity, cost-saving and reduce the object of welding job difficulty.And ASG large tank upper cover supply of material plate size changes, steel plate width for welding top cover is increased, although the hydraulic press operating pressure being originally used for presed-steel plate is enough, but because the size of table surface is less, can not carry out once compressing to the steel plate meeting former design size, and the compacting work of a block plate must settle at one go, these problems cause the prefabricated work of ASG upper cover to carry out.
According to market conditions, table surface size is at more than 3m (rice), the four-column hydraulic press of operating pressure in 1200t (ton) left and right, and price is more than 800,000 yuans.And use the pressure needed for hydraulic press presed-steel plate the highest also only at about 300t, if the hydraulic press that meets of procurement work platform mesa dimensions again, cost can be caused significantly to increase, and utilization rate is lower; And hydraulic press is only for presed-steel plate, frequency of utilization is lower.Meanwhile, hydraulic press is main equipment, and transporting and deposit maintenance all needs at substantial manpower and materials.
Utility model content
Cause original hydraulic press can not complete compacting work for solving because raw materials size changes, and again purchase hydraulic press cost can be brought significantly to increase, equipment conveying and maintenance can take the problem of a large amount of manpower and materials, the utility model proposes a kind of lever punch press structure, this lever punch press structure comprises connecting rod, workbench, support and balancing weight; Described support comprises base and bracing frame, and support frame as described above is vertically set on one end of described base; One end of described connecting rod is arranged on support frame as described above by rotating shaft; Described workbench comprises upper table surface and following table, and described upper table surface is arranged on the downside of described connecting rod, and the base that described following table is arranged on described support correspondingly with described upper table surface is arranged; One end that described balancing weight is arranged on support frame as described above with described connecting rod is fixedly connected with.
In use, according to process requirements, the gradient of the upper table surface of workbench and following table, angle and table top size are regulated, then by need the steel plate of compacting to be placed on workbench following table on and fixing, the free end of the connecting rod of the utility model lever punch press structure is fixedly connected with the top shoe of the hydraulic press meeting pressing pressure.Primer fluid press, when the top shoe of hydraulic press moves downward, the connecting rod be connected with this top shoe is driven to move downward, on the steel plate upper table surface of the workbench be arranged on the downside of connecting rod being depressed into certain pressure be fixed on following table, thus by compressing for the steel plate be placed on workbench following table.After steel plate compacting terminates, hydraulic press top shoe no longer applies downward pressure, balancing weight is at self gravitation moved downward, because balancing weight and connecting rod are fixed together, and connecting portion is arranged on bracing frame, therefore, when balancing weight moves downward, drivening rod rotates, the position that connecting rod is connected with hydraulic press top shoe is moved, thus the upper table surface of workbench and compressing steel plate are separated, then by staff, compressing steel plate is taken out.Balancing weight is in order to balance the gravity of described connecting rod and described workbench upper table surface, staff has been suppressed steel plate at this lever punch press structure of use, when hydraulic press no longer applies to the load pressed down described connecting rod, connecting rod be arranged on the workbench on described connecting rod upper table surface can under the effect of balancing weight automatic re-ascending, alleviate the load of hydraulic press, save the energy.
In the utility model lever punch press structure, connecting rod, bracing frame and balancing weight constitute a lever system, when hydraulic press applies downforce on connecting rod, lever system take bracing frame as fulcrum, balancing weight rises, and connecting rod presses down, and makes the upper table surface of workbench mutually close with following table; When hydraulic press no longer applies downforce, rotate backward under the effect that this lever system is conducted oneself with dignity at balancing weight, connecting rod rises, and the upper table surface of workbench and following table are separated.
Use the utility model lever punch press structure, the hydraulic press compacting large scale steel plate meeting pressing pressure can be made, and without the need to again purchasing the larger-size hydraulic press of table surface, avoiding and purchasing new hydraulic press and follow-up required corrective maintenance, depositing, the cost payout such as transport.After having suppressed, the upper table surface of workbench can automatic re-ascending, alleviates the load of hydraulic press, has saved the energy.
Preferably, described balancing weight is linked together by linking arm and described connecting rod.The existence of described linking arm, the height that described balancing weight is risen when described connecting rod presses down increases, and then make described balancing weight have larger gravitional force, when hydraulic press no longer applies downforce, the upper table surface of described workbench rises rapidly under the effect of larger gravitional force, adds the operating efficiency of this lever punch press structure.
Further, the angle of angle that described linking arm and described connecting rod are formed is 120 ° ~ 150 °.This angle can be avoided when the upper table surface of workbench rises, described balancing weight and earth surface.Too increase simultaneously described balancing weight rise after height, and then add the gravitional force that described balancing weight produces after described connecting rod presses down.
Preferably, the upper table surface of described workbench is removably connected on described connecting rod, and the following table of described workbench is removably connected on described base.The upper table surface of described workbench and following table adopt dismountable connected mode, and make described lever punch press structure when the steel plate needing processing without specification, only need change relevant work platform just can meet process requirements.
The utility model lever punch press structure structure is simple, and production cost is low, can meet the compacting demand of different size and specification steel plate.After having suppressed, the upper table surface of workbench can automatic re-ascending, alleviates the load of hydraulic press, has saved the energy.
Accompanying drawing explanation
Fig. 1 is the stereogram after the utility model lever punch press structure is connected with hydraulic press.
Detailed description of the invention
As shown in Figure 1, a kind of lever punch press structure comprises connecting rod 1, workbench 2, support 3 and balancing weight 4; Support 3 comprises bracing frame 31 and base 32, and bracing frame 31 is vertically set on one end of base 32; One end of connecting rod 1 is arranged on bracing frame 31 by rotating shaft, and connecting rod 1 is rotated around bracing frame 31 by rotating shaft; Workbench 2 comprises upper table surface 21 and following table 22, and the upper table surface 21 of workbench 2 is removably disposed in the downside of connecting rod 1, and the base 32 that the following table 22 of workbench 2 is removably disposed in support 3 correspondingly with the upper table surface 21 of workbench 2 is arranged.Be provided with linking arm 41 between connecting rod 1 and balancing weight 4, one end that one end and the connecting rod 1 of linking arm 41 are arranged on bracing frame 31 is fixedly connected with, and the angle of angle that linking arm 41 and connecting rod 1 are formed is 120 ° ~ 150 °; The other end of linking arm 41 is fixedly connected with balancing weight 4.The angle that linking arm 41 and connecting rod 1 are formed can be avoided when the upper table surface 21 of workbench 2 rises, balancing weight 4 and earth surface; Too increase simultaneously balancing weight 4 rise after height, and then add the gravitional force that balancing weight 4 produces after connecting rod 1 presses down.
In use, according to process requirements, the gradient of the upper table surface 21 of workbench 2 and following table 22, angle and table top size are regulated, the top shoe 51 of the free end of the connecting rod 1 of the utility model lever punch press structure with the hydraulic press 5 meeting pressing pressure is fixedly connected with, then by need the steel plate of compacting to be placed on workbench 2 following table 22 on and fixing.Primer fluid press 5, when the top shoe 51 of hydraulic press 5 moves downward, the connecting rod 1 be connected with this top shoe is driven to move downward, on the steel plate upper table surface 21 of the workbench 2 be connected on connecting rod 1 being depressed into certain pressure be fixed on following table 22, thus by compressing for the steel plate be placed on the following table 22 of workbench 2.After steel plate compacting terminates, the top shoe 51 of hydraulic press 5 no longer applies downward pressure, balancing weight 4 is at self gravitation moved downward, and drivening rod 1 rotates around the axis, the position that connecting rod 1 is connected with hydraulic press 5 top shoe 51 is moved, thus the upper table surface 21 of workbench 2 is separated with compressing steel plate, then by staff, compressing steel plate is taken out.
In the utility model lever punch press structure, connecting rod 1, bracing frame 31, linking arm 41 and balancing weight 4 constitute a lever system, when hydraulic press 5 applies downforce on connecting rod 1, lever system with bracing frame 31 for fulcrum, balancing weight 4 rises, connecting rod 1 presses down, and makes the upper table surface 21 of workbench 2 mutually close with following table 22; When hydraulic press 5 no longer applies downforce, this lever system rotates backward under the Gravitative Loads of balancing weight 4, and connecting rod 1 rises, and the upper table surface 21 of workbench 2 and following table 22 are separated.
Use the utility model lever punch press structure, the hydraulic press compacting large scale steel plate meeting pressing pressure can be made, and without the need to again purchasing the larger-size hydraulic press of table surface, avoiding and purchasing new hydraulic press and follow-up required corrective maintenance, depositing, the cost payout such as transport.Meanwhile, the utility model lever punch press structure structure is simple, and production cost is low, can meet the compacting demand of different size and specification steel plate.After having suppressed, the upper table surface of workbench can automatic re-ascending, alleviates the load of hydraulic press, has saved the energy.
Claims (4)
1. a lever punch press structure, is characterized in that, this lever punch press structure comprises connecting rod, support, workbench and balancing weight; Described support comprises base and bracing frame, and support frame as described above is vertically set on one end of described base; One end of described connecting rod is arranged on support frame as described above by rotating shaft; Described workbench comprises upper table surface and following table, and described upper table surface is arranged on the downside of described connecting rod, and the base that described following table is arranged on described support correspondingly with described upper table surface is arranged; One end that described balancing weight is arranged on support frame as described above with described connecting rod is fixedly connected with.
2. lever punch press structure according to claim 1, is characterized in that, described balancing weight is linked together by linking arm and described connecting rod.
3. lever punch press structure according to claim 2, is characterized in that, the angle of the angle that described linking arm and described connecting rod are formed is 120 ° ~ 150 °.
4. lever punch press structure according to claim 1, is characterized in that, the upper table surface of described workbench is removably connected on described connecting rod, and the following table of described workbench is removably connected on described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420832937.0U CN204505880U (en) | 2014-12-24 | 2014-12-24 | Lever punch press structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420832937.0U CN204505880U (en) | 2014-12-24 | 2014-12-24 | Lever punch press structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204505880U true CN204505880U (en) | 2015-07-29 |
Family
ID=53703882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420832937.0U Expired - Fee Related CN204505880U (en) | 2014-12-24 | 2014-12-24 | Lever punch press structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204505880U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181498A (en) * | 2015-09-08 | 2015-12-23 | 中山大学 | Simple instrument method for test of internal stress of soil mass under cyclic loading |
| CN106872106A (en) * | 2017-04-12 | 2017-06-20 | 中国地震局地震研究所 | Suitable for the thrust balancing device of sloping platform Continuous Compensation |
| CN111219390A (en) * | 2020-02-25 | 2020-06-02 | 江苏科瑞恩自动化科技有限公司 | Iterative universal pressure maintaining device |
| CN116852782A (en) * | 2021-01-14 | 2023-10-10 | 何春远 | Method for manufacturing press machine by lever method and application thereof |
-
2014
- 2014-12-24 CN CN201420832937.0U patent/CN204505880U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181498A (en) * | 2015-09-08 | 2015-12-23 | 中山大学 | Simple instrument method for test of internal stress of soil mass under cyclic loading |
| CN105181498B (en) * | 2015-09-08 | 2019-07-16 | 中山大学 | Soil body internal stress test simple instrument and method under cyclic load |
| CN106872106A (en) * | 2017-04-12 | 2017-06-20 | 中国地震局地震研究所 | Suitable for the thrust balancing device of sloping platform Continuous Compensation |
| CN111219390A (en) * | 2020-02-25 | 2020-06-02 | 江苏科瑞恩自动化科技有限公司 | Iterative universal pressure maintaining device |
| CN116852782A (en) * | 2021-01-14 | 2023-10-10 | 何春远 | Method for manufacturing press machine by lever method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |