CN101767141B - Lifting workbench of numerically controlled notching press - Google Patents
Lifting workbench of numerically controlled notching press Download PDFInfo
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- CN101767141B CN101767141B CN2010101344643A CN201010134464A CN101767141B CN 101767141 B CN101767141 B CN 101767141B CN 2010101344643 A CN2010101344643 A CN 2010101344643A CN 201010134464 A CN201010134464 A CN 201010134464A CN 101767141 B CN101767141 B CN 101767141B
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- platen
- bedplate
- workbench
- fixed
- hollow piston
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Abstract
The present invention discloses a lifting workbench of a numerically controlled notching press. A machine body workbench is provided with a bedplate; the front part of the bottom surface of the bedplate is provided with two wedged surfaces which are distributed on a left side and a right side; two wedge seats are arranged below the bedplate correspondingly to the two wedged surfaces of the bedplate; the rear parts of the two wedge seats are provided with a threaded rod respectively; first nuts in fit with the threaded rods are fixedly connected with the corresponding wedge seats; the rear parts of the two threaded rods are fixed with a worm gear respectively; the worm gears are axially connected together with two worms meshed with the worm gears; the bottom of the bedplate is provided with left and right positioning grooves; the machine body bedplate is fixed with two square positioning columns in clearance fit with the left and right positioning grooves of the bedplate respectively; the left and right sides of the bedplate are provided with an oil cylinder respectively; an opening of each oil cylinder is provided with an oil cylinder cover; a hollow piston is arranged in the oil cylinder; a bolt is connected to a screwed hole of the machine body bedplate through the hollow piston; and a spring sleeved to the hollow piston is arranged in the oil cylinder. The lifting workbench is convenient to regulate, has relatively higher accuracy and can avoid vibration generated by the high-speed punching of a die causing the loosening of the bedplate and the wedge seats.
Description
Technical field
The present invention relates to lifting workbench of numerically controlled notching press.
Background technology
China's disclosure of the Invention number is the main frame that the application for a patent for invention Publication Specification of CN 101244441A discloses a kind of numerical control notching press, and its fuselage is provided with the fuselage workbench, and the fuselage workbench is a stationary structure.The punch die of notching press comprises patrix (drift) and counterdie, and patrix is installed on the slide block of elbow-bar mechanism, and counterdie is installed on the fuselage workbench, and the adjustment of counterdie height need realize by the increase and decrease plate thickness, and is very inconvenient.Especially punch die weares and teares because of long-term high speed punching out, keeps in repair and attenuation through refacing, and it is more difficult that this moment, the back cushion sheet was adjusted the extremely suitable height of counterdie, often owing to the counterdie Height Adjustment quality that influences punching not in place.
Summary of the invention
The objective of the invention is to propose a kind of lifting workbench of numerically controlled notching press that can conveniently adjust the counterdie height.
For achieving the above object, the present invention takes following technical scheme: the present invention includes the fuselage workbench, the fuselage workbench is provided with platen, two lozenges that distribute about the front portion of platen bottom surface is provided with, two lozenges of the corresponding platen in platen below are provided with two wedge mounts, the rear portion of two wedge mounts respectively is provided with by the screw rod that is fixed on the supporting of front-end bearing pedestal on the fuselage workbench and rear bearing block, fixedly connected with corresponding wedge mount with first nut that screw rod cooperates, the rear portion of two screw rods respectively is fixed with worm gear, respectively with two worm shafts of two worm gears engagements to linking together; The bottom of platen is provided with left and right locating slot, is fixed with on the fuselage workbench respectively to be used to limit the platen front and back to the two location square columns that move with the left and right locating slot matched in clearance of platen; Described platen each side is provided with two oil pockets, the opening of oil pocket is provided with the oil pocket lid, be provided with the hollow piston of upward and downward in the oil pocket, one bolt is connected to by hollow piston in the screwed hole of fuselage workbench hollow piston is fixed on the fuselage workbench, oil pocket is connected with the pressure oil circuit of outside, by to the oil pocket pressurization platen being pressed on two wedge mounts; On the screw rod and be between front-end bearing pedestal and the worm gear and be fixed with thrust bearing, be in and be provided with second nut between worm gear and the rear bearing block; The bottom surface of described wedge mount is provided with gathering sill, is fixed with feather key on the fuselage workbench, and wedge mount slides along feather key by gathering sill.
Be provided with the spring and the pad that are enclosed within on the hollow piston in the oil pocket of platen, the lower end of spring is against on the pad.
Described location square column is the extension of front-end bearing pedestal.
The platen bottom surface at described two lozenges rear portions is stepped, forms stepped space, has high, preceding low two vertical planes in back in the stepped space, and described front-end bearing pedestal leans against on the back ladder vertical plane of platen bottom surface.
Be provided with thrust bearing and needle bearing in the described front-end bearing pedestal, be provided with needle bearing in the rear bearing block.
The present invention has following good effect:
The present invention drives platen by the threaded nut pair by wedge mount and moves, and adjusts the counterdie height by the height of adjusting platen, and is not only easy to adjust but also accuracy is higher; The present invention adopts oil cylinder piston structure, with platen as cylinder block, hollow piston is fixed on the fuselage workbench, platen moves relative to hollow piston, thereby make platen be locked on two wedge mounts reliably, securely, can avoid causing the phenomenon of platen and wedge mount absent-mindedness to take place, guarantee the crudy of punching because of the vibration that the punching out of punch die high speed produces.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, according to specific embodiment also in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein below
Fig. 1 is a configuration diagram of the present invention;
Fig. 2 is the A-A diagrammatic sketch of Fig. 1;
Fig. 3 is the B-B diagrammatic sketch of Fig. 1;
Fig. 4 is an application drawing.
The specific embodiment
See accompanying drawing, present embodiment comprises fuselage workbench 10, and the fuselage workbench is provided with platen 1, the two lozenges c that distribute about the front portion of platen 1 bottom surface is provided with, the platen bottom surface at described two lozenges rear portions is stepped, forms stepped space d, and stepped space has high, preceding low two vertical planes in back.Two lozenges of the corresponding platen 1 in platen 1 below are provided with two wedge mounts 2, two wedge mounts 2 are equipped with screw rod 3-1 in the stepped space at rear portion separately, each is supported screw rod 3-1 by the front-end bearing pedestal 5 and the rear bearing block 9 that are fixed on the fuselage workbench, fixedly connected with corresponding wedge mount 2 with the first nut 3-2 that screw rod 3-1 cooperates, the rear portion of two screw rods 3-1 respectively is fixed with worm gear 7-1, and two worm screw 7-2 with two worm gear 7-1 engagement are axially linked together by shaft coupling 18 respectively.For easy for installation, described worm screw 7-2 is split type, and hollow worm gear is fixed on the axle by pin.Be fixed with crank 19 and worm screw locking device 20 on the wherein worm screw 7-2 of two worm screw 7-2.That be provided with in the described front-end bearing pedestal 5 is thrust bearing 4-1 and needle bearing 4-2, and that be provided with in the rear bearing block 9 is needle bearing 9-1.On the screw rod and be in and be fixed with another thrust bearing 6 between front-end bearing pedestal 5 and the worm gear 7-1, be in second nut 8 that is provided with between worm gear 7-1 and the rear bearing block 9 to round nut.Thrust bearing and needle bearing are respectively applied for the axial and radial location of screw rod.Second nut 8 is used for fixing.The bottom surface of described wedge mount 2 is provided with gathering sill 2-1, and by screw and alignment pin fixed guide key 10-1, wedge mount 2 slides along feather key 10-1 by gathering sill 2-1 on the fuselage workbench 10.
The corresponding front-end bearing pedestal of bottom left and right side 5 positions of described platen 1 respectively are provided with locating slot, are fixed with on the fuselage workbench 10 respectively and locate square column 5-1 with two of platen left and right side locating slot matched in clearance, and described location square column 5-1 is the extension of front-end bearing pedestal 5.Because front-end bearing pedestal 5 is to be fixed on the fuselage workbench 10, location square column 5-1 quite is fixed on the fuselage workbench 10.Platen 1 is limited front and back to moving by two location square column 5-1, can only lifting.Described front-end bearing pedestal 5 leans against on the back ladder vertical plane of platen bottom surface, makes the lifting of platen steady.
Described platen 1 each side is provided with two oil pockets, the opening of oil pocket is provided with the oil pocket lid 13 that maintains an equal level with platen 1 upper surface, be provided with the hollow piston 11 of upward and downward in the oil pocket, one bolt 12 is connected to by hollow piston 11 in the screwed hole of fuselage workbench 10 hollow piston 11 is fixed on the fuselage workbench 10, the head of hollow piston 11 is provided with cannelure, in be provided with sealing ring 14, relatively the oil pocket wall of hollow piston 11 bar portions is provided with cannelure, is provided with lower seal 17 in the cannelure.Be with spring 15 and packing ring 16 in the bar portion of the inherent hollow piston 11 of oil pocket, the lower end of spring 15 is against on the packing ring 16.Hollow piston 11 and platen 1 oil pocket are connected with outside pressure oil circuit, when to the oil pocket pressurization because hollow piston 11 fixes, make platen 1 downward little move to be pressed on two wedge mounts 2 finish locking.
Oil pressure in the removal oil pocket, spring 15 resets, and platen 1 separates with two wedge mounts 2, unclamps worm screw locking device 20, by crank 19 rotary worm 7-2, drive worm gear 7-1 and screw rod 3-1 and rotate, the rotation of screw rod 3-1 drives the first nut 3-2 and moves, and moves forward and backward thereby drive wedge mount 2, because front-end bearing pedestal 5 has limited moving forward and backward of platen 1, platen 1 can only lifting under the effect of inclined-plane power, finishes the Height Adjustment of requirement thus.After Height Adjustment was suitable, worm screw locking device 20 pinned worm screw, and oil pocket feeds pressure oil, and adjustment process is finished.
Claims (4)
1. lifting workbench of numerically controlled notching press, comprise fuselage workbench (10), it is characterized in that: the fuselage workbench is provided with platen (1), two lozenges that distribute about the front portion of platen (1) bottom surface is provided with, two lozenges of platen (1) the corresponding platen in below (1) are provided with two wedge mounts (2), the rear portion of two wedge mounts (2) respectively is provided with by the screw rod (3-1) that is fixed on the supporting of front-end bearing pedestal (5) on the fuselage workbench and rear bearing block (9), fixedly connected with corresponding wedge mount (2) with first nut (3-2) that screw rod (3-1) cooperates, the rear portion of two screw rods (3-1) respectively is fixed with worm gear (7-1), and two worm screws (7-2) with two worm gears (7-1) engagement axially link together respectively; The bottom of platen (1) is provided with left and right locating slot, is fixed with on the fuselage workbench (10) respectively to be used to limit platen (1) front and back to the two location square columns (5-1) that move with the left and right locating slot matched in clearance of platen; Described platen (1) each side is provided with two oil pockets, the opening of oil pocket is provided with oil pocket lid (13), be provided with the hollow piston (11) of upward and downward in the oil pocket, one bolt (12) is connected to by hollow piston (11) in the screwed hole of fuselage workbench (10) hollow piston (11) is fixed on the fuselage workbench (10), oil pocket is connected with the pressure oil circuit of outside, by to the oil pocket pressurization platen (1) being pressed on two wedge mounts (2); On the screw rod and be between front-end bearing pedestal (5) and the worm gear (7-1) and be fixed with thrust bearing (6), be between worm gear (7-1) and the rear bearing block (9) and be provided with second nut (8); The bottom surface of described wedge mount (2) is provided with gathering sill (2-1), is fixed with feather key (10-1) on the fuselage workbench (10), and wedge mount (2) slides along feather key (10-1) by gathering sill (2-1).
2. lifting workbench of numerically controlled notching press according to claim 1 is characterized in that: be provided with the spring (15) and the pad (16) that are enclosed within on the hollow piston (11) in the oil pocket, the lower end of spring (15) is against pad (16).
3. lifting workbench of numerically controlled notching press according to claim 1 is characterized in that: described location square column (5-1) is the extension of front-end bearing pedestal (5).
4. lifting workbench of numerically controlled notching press according to claim 1 is characterized in that: be provided with thrust bearing (4-1) and needle bearing (4-2) in the described front-end bearing pedestal (5), be provided with needle bearing (9-1) in the rear bearing block (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101344643A CN101767141B (en) | 2010-03-29 | 2010-03-29 | Lifting workbench of numerically controlled notching press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101344643A CN101767141B (en) | 2010-03-29 | 2010-03-29 | Lifting workbench of numerically controlled notching press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101767141A CN101767141A (en) | 2010-07-07 |
| CN101767141B true CN101767141B (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101344643A Active CN101767141B (en) | 2010-03-29 | 2010-03-29 | Lifting workbench of numerically controlled notching press |
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| Country | Link |
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| CN (1) | CN101767141B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287079A (en) * | 2012-02-24 | 2013-09-11 | 昆山富山精密设备有限公司 | Short-distance plane cam type lifting device of printing working table |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2005657A (en) * | 1929-02-07 | 1935-06-18 | Ludwig Richard | Pilger rolling mill |
| CN1052062A (en) * | 1990-07-19 | 1991-06-12 | 鞍山钢铁公司 | The dynamic horizontal hot-rolled pipe punch of two rollers stably |
| CN101439352A (en) * | 2008-12-12 | 2009-05-27 | 太原重工股份有限公司 | Device for hoisting and lowering main engine base of sizing mill with three machine frames |
| CN201644611U (en) * | 2010-03-29 | 2010-11-24 | 常州市耀华电机设备有限公司 | Adjustable worktable of a numerical control notching press |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63230212A (en) * | 1986-10-01 | 1988-09-26 | Keiichiro Yoshida | Pre-load control device on cross roll mill |
-
2010
- 2010-03-29 CN CN2010101344643A patent/CN101767141B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2005657A (en) * | 1929-02-07 | 1935-06-18 | Ludwig Richard | Pilger rolling mill |
| CN1052062A (en) * | 1990-07-19 | 1991-06-12 | 鞍山钢铁公司 | The dynamic horizontal hot-rolled pipe punch of two rollers stably |
| CN101439352A (en) * | 2008-12-12 | 2009-05-27 | 太原重工股份有限公司 | Device for hoisting and lowering main engine base of sizing mill with three machine frames |
| CN201644611U (en) * | 2010-03-29 | 2010-11-24 | 常州市耀华电机设备有限公司 | Adjustable worktable of a numerical control notching press |
Non-Patent Citations (1)
| Title |
|---|
| JP昭63-63230212A 1988.09.26 |
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| Publication number | Publication date |
|---|---|
| CN101767141A (en) | 2010-07-07 |
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