CN201833618U - Bottom dead center dynamic adjusting mechanisms for high-speed toggle rod pressing machine - Google Patents
Bottom dead center dynamic adjusting mechanisms for high-speed toggle rod pressing machine Download PDFInfo
- Publication number
- CN201833618U CN201833618U CN2010205713661U CN201020571366U CN201833618U CN 201833618 U CN201833618 U CN 201833618U CN 2010205713661 U CN2010205713661 U CN 2010205713661U CN 201020571366 U CN201020571366 U CN 201020571366U CN 201833618 U CN201833618 U CN 201833618U
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- CN
- China
- Prior art keywords
- bottom dead
- slide block
- dead centre
- guiding mechanism
- knuckle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/10—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism
- B30B1/14—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by toggle mechanism operated by cams, eccentrics, or cranks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The utility model relates to a pressing machine, in particular to bottom dead center dynamic adjusting mechanisms for a high-speed toggle rod pressing machine, belonging to the technical field of pressing machinery. The adjusting mechanisms are symmetrical to each other and are respectively fixed at the two ends of an upper cross beam of the pressing machine; a crank installed in a machine frame drives a sliding block to carry out up-and-down reciprocating motion in a sliding way by a main connecting rod; the sliding block, a swinging rod and supporting rods form a rhombic mechanism; and the supporting rods are articulated at a point H. A connecting rod, a toggle rod, a ball head connecting rod and the sliding block form a toggle rod mechanism; the up-and-down reciprocating motion of the sliding block drives the supporting rods to swing, and the connecting rod is articulated with the swinging rod to push the toggle rod mechanism, so as to realize the up-and-down reciprocating motion of the sliding block. When the position of the point H is changed, a bottom dead center of the sliding block can be changed too. As the fixed supporting point H can be adjusted up and down, the dynamic adjusting of the bottom dead center can be realized.
Description
Technical field
The utility model relates to a kind of forcing press, is specifically related to the dynamic guiding mechanism of a kind of high speed knuckle-lever press bottom dead centre, belongs to the press technical field.
Background technology
In the metal forming machinery industry, for high-speed blanking press, requiring has very high bottom dead centre precision, and traditional high-speed blanking press bottom dead centre adopts slider-crank mechanism more, and the slide block bottom dead centre can't dynamically be adjusted, and directly affects the quality and the die life of stamping parts.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art part, provide a kind of high speed knuckle-lever press bottom dead centre dynamic guiding mechanism, this guiding mechanism has symmetry, be separately fixed at the two ends of press crown, the crank that is installed in the frame pumps in slideway by connecting rod drive slide block, slide block, fork, support bar group diamondwise mechanism, support bar is point articulated at H.Connecting rod, toggle link, ball head connecting rod and slide block constitute elbow-bar mechanism, and pumping of slide block drives the swing of support bar, and connecting rod is hinged on fork, promote elbow-bar mechanism, realize pumping of slide block.The bottom dead centre of slide block can change when change is freeed in H point position.The utility model is designed to fixed pivot H can adjust up and down, thereby realizes the dynamic adjustment of bottom dead centre.
The utility model is realized with following technical scheme: the dynamic guiding mechanism of a kind of high speed knuckle-lever press bottom dead centre, it is characterized in that: this guiding mechanism has symmetry, be separately fixed at the two ends of press crown, described servomotor drives eccentric bushing by the band transmission and drives moving up and down of small slide block, and then drives moving up and down of support bar.
The eccentric bushing at described entablature two ends connects by jackshaft, realizes the synchronous adjustment of two support bars, uses the holding screw of not exclusively tightening to realize axial location.
The two ends of described jackshaft are multidiameter, realize and being connected of eccentric bushing by key and screw.
Described jackshaft is connected with entablature by two stands.
Described support bar is enclosed within on the small slide block, and cover plate is fixed on the small slide block by screw.
Described eccentric bushing can horizontally slip in small slide block, and the drive small slide block slides up and down in the entablature guide rail.
The utility model has the advantages that: when forcing press runs up, because speed and variations in temperature, build-up of pressure machine bottom dead centre offsets downward, influence punching out product precision, use this mechanism, stressed hour at support bar, can adjust bottom dead centre according to certain rule or actual measurement bottom dead centre Data Dynamic, thereby guarantee the precision of punching out product and prolong die life.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail:
Fig. 1 is a high speed knuckle-lever press schematic diagram of the present utility model:
Fig. 2 is a front view of the present utility model:
Fig. 3 is the cutaway view of Fig. 2:
Among the figure: 1, frame, 2, crank, 3, master connecting-rod, 4, slide block, 5, fork, 6, support bar, 7, connecting rod, 8, toggle link, 9, ball head connecting rod, 10, slide block, 11, entablature, 12, support (containing sliding bearing), 13, holding screw, 14, jackshaft, 15, support bar (containing sliding bearing), 16, small slide block, 17, cover plate, 18, eccentric bushing, 19, side's cover, 20, synchronous pulley, 21, servomotor, 22, synchronous band, 23, guide rail.
The specific embodiment
As shown in Figure 1: be installed in crank 2 in the frame 1 and drive slide blocks 4 by connecting rod 3 and in slideway, pump, slide block 4, fork 5, fork 5 ', support bar 6 and support bar 6 ' composition rhombus-mechanism, support bar 6 and support bar 6 ' point articulated at H.Connecting rod 7, toggle link 8, ball head connecting rod 9 and slide block 10 constitute elbow-bar mechanism, and pumping of slide block 4 drives the swing of support bar 6, and connecting rod 7 is hinged on fork 5, promotes elbow-bar mechanism, realizes pumping of slide block 10.The bottom dead centre of slide block can change when change is freeed in H point position.The utility model is designed to fixed pivot H can adjust up and down, thereby realizes above-mentioned functions.
In Fig. 3, two supports 12 are fixed in the entablature by screw and alignment pin, and jackshaft 14 passes the dead eye on the support 12, and with the location that holding screw 13 is realized jackshaft 14, holding screw 13 is not tightened, and makes jackshaft 14 to rotate.The two ends of jackshaft 14 are multidiameter, realize and being connected of eccentric bushing 18 by key and screw, and eccentric bushing 18 can rotation in side's cover 19, just overlap 19 and can swing in small slide block 16 and drive it simultaneously and be installed in the guide rail 23 in the entablature 11 and move up and down.Support bar 15 is enclosed within on the small slide block 16, and cover plate 17 is fixed on the small slide block 16 by screw, realizes the function of retaining oil.Synchronous pulley 20 (concentric with jackshaft 14) is installed on eccentric bushing 18 therein, by synchronously with 22 and the synchronous pulley that is installed in servomotor 21 realize transmission.Servomotor 21 is fixed on the entablature by 4 screws.When the needs bottom dead centre is dynamically adjusted, drive eccentric bushing 18 rotations by servomotor 21 by the band driving-belt, eccentric bushing 18 swings and drives small slide block 16 simultaneously and move up or down, be connected simultaneously on the small slide block 16 two support bars 15 up or down synchronously, thereby realize the dynamic compensation of slide block 10 bottom dead centres.
Claims (6)
1. dynamic guiding mechanism of high speed knuckle-lever press bottom dead centre, it is characterized in that: this guiding mechanism has symmetry, be separately fixed at the two ends of press crown (11), described servomotor (21) drives eccentric bushing (18) by the band transmission and drives moving up and down of small slide block (16), and then drives moving up and down of support bar (15).
2. the dynamic guiding mechanism of a kind of high speed knuckle-lever press bottom dead centre according to claim 1, it is characterized in that: the eccentric bushing (18) at described entablature two ends connects by jackshaft (14), realize the synchronous adjustment of two support bars (15), use the holding screw of not exclusively tightening (13) to realize axial location.
3. the dynamic guiding mechanism of a kind of high speed knuckle-lever press bottom dead centre according to claim 1, it is characterized in that: the two ends of described jackshaft (14) are multidiameter, realize and being connected of eccentric bushing (18) by key and screw.
4. the dynamic guiding mechanism of a kind of high speed knuckle-lever press bottom dead centre according to claim 1 is characterized in that: described jackshaft (14) is connected with entablature (11) by two stands (12).
5. the dynamic guiding mechanism of a kind of high speed knuckle-lever press bottom dead centre according to claim 1, it is characterized in that: described support bar (15) is enclosed within on the small slide block (16), and cover plate (17) is fixed on the small slide block (16) by screw.
6. the dynamic guiding mechanism of a kind of high speed knuckle-lever press bottom dead centre according to claim 1, it is characterized in that: described eccentric bushing (18) can horizontally slip in small slide block (16), and drive small slide block (16) slides up and down in entablature guide rail (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205713661U CN201833618U (en) | 2010-10-11 | 2010-10-11 | Bottom dead center dynamic adjusting mechanisms for high-speed toggle rod pressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205713661U CN201833618U (en) | 2010-10-11 | 2010-10-11 | Bottom dead center dynamic adjusting mechanisms for high-speed toggle rod pressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201833618U true CN201833618U (en) | 2011-05-18 |
Family
ID=44003712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205713661U Expired - Fee Related CN201833618U (en) | 2010-10-11 | 2010-10-11 | Bottom dead center dynamic adjusting mechanisms for high-speed toggle rod pressing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201833618U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973139A (en) * | 2010-10-11 | 2011-02-16 | 江苏省徐州锻压机床厂集团有限公司 | Dynamic adjustment mechanism of bottom dead center of high-speed knuckle-joint press |
| CN102602029A (en) * | 2012-03-14 | 2012-07-25 | 江苏省徐州锻压机床厂集团有限公司 | Dynamic compensation mechanism for bottom dead center of high-speed precise press |
| CN103447333A (en) * | 2013-08-19 | 2013-12-18 | 无锡源创机械科技有限公司 | Centering mechanism for adjusting eccentricity of reverse extrusion rod |
-
2010
- 2010-10-11 CN CN2010205713661U patent/CN201833618U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973139A (en) * | 2010-10-11 | 2011-02-16 | 江苏省徐州锻压机床厂集团有限公司 | Dynamic adjustment mechanism of bottom dead center of high-speed knuckle-joint press |
| CN102602029A (en) * | 2012-03-14 | 2012-07-25 | 江苏省徐州锻压机床厂集团有限公司 | Dynamic compensation mechanism for bottom dead center of high-speed precise press |
| CN103447333A (en) * | 2013-08-19 | 2013-12-18 | 无锡源创机械科技有限公司 | Centering mechanism for adjusting eccentricity of reverse extrusion rod |
| CN103447333B (en) * | 2013-08-19 | 2015-10-28 | 无锡源创机械科技有限公司 | A kind of reverse extrusion bar bias adjusts central authority |
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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: 20110518 Termination date: 20131011 |