CN204747381U - High -speed accurate press actuating mechanism with adjustable bottom dead centre - Google Patents
High -speed accurate press actuating mechanism with adjustable bottom dead centre Download PDFInfo
- Publication number
- CN204747381U CN204747381U CN201520345096.5U CN201520345096U CN204747381U CN 204747381 U CN204747381 U CN 204747381U CN 201520345096 U CN201520345096 U CN 201520345096U CN 204747381 U CN204747381 U CN 204747381U
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- connecting rod
- rod
- toggle
- slider
- crank
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Abstract
本实用新型公开了一种下死点可调节的高速精密压力机驱动机构，包括曲柄滑块机构、菱形机构和肘杆机构，所述曲柄滑块机构包括曲柄、连杆和小滑块，曲柄的一端连接在机架上，另一端与连杆的一端相铰接，连杆的另一端连接在小滑块上；所述菱形机构包括第一摆杆、第二摆杆、第一支撑杆和第二支撑杆，第一摆杆、第二摆杆的一端连接在小滑块上，第一支撑杆和第二支撑杆的一端与机架连接、另一端与第一摆杆、第二摆杆连接构成菱形结构；所述肘杆机构包括第一连接杆、第二连接杆、第一肘杆、第二肘杆、第一球头连杆、第二球头连杆和滑块，第一肘杆和第二肘杆分别可移动的铰接在机架上。本实用新型实现了滑块的快速提升，省去了液压提升装置。
The utility model discloses a high-speed precision press driving mechanism with adjustable bottom dead center, which comprises a crank slider mechanism, a rhombus mechanism and a toggle mechanism. The crank slider mechanism includes a crank, a connecting rod, a small slider, and a crank One end of one end is connected on the frame, the other end is hinged with one end of the connecting rod, and the other end of the connecting rod is connected on the small slider; the rhombus mechanism includes a first swing rod, a second swing rod, a first support rod and The second support rod, one end of the first swing rod and the second swing rod are connected on the small slider, one end of the first support rod and the second support rod is connected with the frame, and the other end is connected with the first swing rod and the second swing rod. The rods are connected to form a rhombus structure; the toggle mechanism includes a first connecting rod, a second connecting rod, a first toggle, a second toggle, a first ball joint, a second ball joint and a slider, and the second A toggle link and a second toggle link are respectively movably hinged on the frame. The utility model realizes the rapid lifting of the slide block, and saves the hydraulic lifting device.
Description
Technical field
The utility model relates to a kind of high-speed fine press, is specifically related to the adjustable driving mechanism of high-speed precise press of a kind of bottom dead centre, belongs to metal forming machinery processing technique field.
Background technology
In metal forming machinery processing industry, for high-speed blanking press, require very high bottom dead centre precision, traditional high-speed pressing machine bottom dead center many employings slider-crank mechanism, bottom dead center of slider cannot dynamic conditioning, directly affects quality and the die life of stamping parts.High-speed blanking press is high due to rotating speed, must take bascule, and traditional crank forcing press can only balance in the vertical direction, and horizontal direction inertia force cannot well be eliminated.For crank press, changing stroke needs to change the parts such as bent axle, wastes time and energy.Because high-speed blanking press stroke is less, generally within 50mm, when mould needs maintenance, because of insufficient space, mould must be taken out and overhaul, conventional way increases slide block lifting device, and dependence increases hydraulic jack and realized by entablature Integral lifting.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art part, provides a kind of bottom dead centre adjustable driving mechanism of high-speed precise press.
The technical scheme that the utility model is taked is: the adjustable driving mechanism of high-speed precise press of a kind of bottom dead centre, comprise slider-crank mechanism, rhombus-mechanism, the elbow-bar mechanism of series connection mutually, described slider-crank mechanism comprises crank, connecting rod and small slide block, one end of described crank is connected in frame, one end of the other end and described connecting rod is hinged, and the other end of connecting rod is connected on small slide block; Described rhombus-mechanism comprises the first fork, the second fork, the first support bar and the second support bar, one end of described first fork, the second fork is connected on small slide block, and described first support bar is connected with frame with one end of the second support bar, the other end and the first fork, the second fork connect and compose diamond structure; Described elbow-bar mechanism is symmetrical structure, and it comprises head rod, the second connecting rod, the first toggle link, the second toggle link, the first ball head connecting rod, the second ball head connecting rod and slide block, and described first toggle link and the second toggle link are movably hinged in frame respectively.
Further, described head rod, first toggle link, first ball head connecting rod, respectively with the second connecting rod, second toggle link, second ball head connecting rod is symmetrical, head rod, one end respectively with the first fork of the second connecting rod, the other end of the second fork is connected, head rod, the other end respectively with the first toggle link of the second connecting rod, first ball head connecting rod and the second toggle link, one end of second ball head connecting rod is hinged, the other end of described first toggle link and the second toggle link is hinged in frame respectively, its hinged position can move horizontally, the other end of described first ball head connecting rod and the second ball head connecting rod is connected on slide block.
Further, described small slide block and slide block are all mobilizable is arranged in frame.
The beneficial effects of the utility model are: this driving mechanism is in series by slider-crank mechanism, rhombus-mechanism, symmetrical elbow-bar mechanism, the change of elbow-bar mechanism two pin joint positions is relied on to realize the adjustment of stroke and the dynamic conditioning of bottom dead centre, throw of crankshaft is strengthened, the integral cycle rotating of crank is changed into and swings in certain angle, just the fast lifting of slide block is achieved when crank gets back to top dead-centre fast from bottom dead centre, eliminate hydraulic lifting apparatus, improve the reliability of lathe.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the crank pivot angle schematic diagram under weave mode work.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1: crank 2 is hinged in frame 1 by pin joint O, drive crank 2 to realize rotating by servomotor, crank 2, connecting rod 3 and small slide block 4 form slider-crank mechanism.The convert rotational motion of crank 3 is small slide block 4 pumping in frame 1.Connecting rod 3, small slide block 4, first fork 5 and the second fork 5 ' are articulated with B point jointly, first fork 5, second fork 5 ', the first support bar 6 and the second support bar 6 ' form rhombus-mechanism, first support bar 6, second support bar 6 ' and frame 1 are articulated with H point, and the B point of rhombus-mechanism pumps.Head rod 7, second connecting rod 7 ', the first toggle link 8, second toggle link 8 ', the first ball head connecting rod 9, second ball head connecting rod 9 ' and slide block 10 form elbow-bar mechanism.Wherein, head rod 7, first toggle link 8 and the first ball head connecting rod 9 are articulated with E point jointly, second connecting rod 7 ', the second toggle link 8 ' and the second ball head connecting rod 9 ' are articulated with E ' point jointly, one end of first toggle link 8 and the second toggle link 8 ' is hinged on F and the F ' point of frame respectively, and F point and F ' can horizontal adjustment; By the change of F, a F ' left and right position, realize the change of E and E ' some horizontal direction, and then realize the reduction of slide block 10 stroke or the dynamic conditioning of increase and bottom dead centre precision.When F, F ' adjustment amount very little time, effectively can change the skew that slide block 10 bottom dead centre causes because of speed and temperature change.At F, F ' arrange suitable reducing gear, utilize servomotor just can realize the accurate control of bottom dead centre.Symmetrical elbow-bar mechanism in the horizontal direction inertia force is cancelled out each other.
As shown in Figure 2, crank 2 can work under weave mode, and fast return top dead-centre realizes slide block fast lifting.When forcing press works at weave mode, the wobble area of crank 2 is hatched region, and when needs fast lifting, connecting rod 3 returns top dead-centre rapidly, thus realizes the fast lifting of slide block.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art and is realized.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345096.5U CN204747381U (en) | 2015-05-26 | 2015-05-26 | High -speed accurate press actuating mechanism with adjustable bottom dead centre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345096.5U CN204747381U (en) | 2015-05-26 | 2015-05-26 | High -speed accurate press actuating mechanism with adjustable bottom dead centre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204747381U true CN204747381U (en) | 2015-11-11 |
Family
ID=54462136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345096.5U Expired - Fee Related CN204747381U (en) | 2015-05-26 | 2015-05-26 | High -speed accurate press actuating mechanism with adjustable bottom dead centre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204747381U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561821A (en) * | 2019-08-29 | 2019-12-13 | 山东省科学院激光研究所 | Servo press bottom dead center deviation feedback compensation method |
| CN113119504A (en) * | 2021-04-20 | 2021-07-16 | 武汉理工大学 | Multi-toggle rod type servo press with precisely adjustable bottom dead center |
| CN114226573A (en) * | 2021-12-24 | 2022-03-25 | 东莞市聚行自动化设备有限公司 | A double terminal riveting machine |
-
2015
- 2015-05-26 CN CN201520345096.5U patent/CN204747381U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561821A (en) * | 2019-08-29 | 2019-12-13 | 山东省科学院激光研究所 | Servo press bottom dead center deviation feedback compensation method |
| CN110561821B (en) * | 2019-08-29 | 2022-02-01 | 山东省科学院激光研究所 | Servo press bottom dead center deviation feedback compensation method |
| CN113119504A (en) * | 2021-04-20 | 2021-07-16 | 武汉理工大学 | Multi-toggle rod type servo press with precisely adjustable bottom dead center |
| CN114226573A (en) * | 2021-12-24 | 2022-03-25 | 东莞市聚行自动化设备有限公司 | A double terminal riveting machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160526 |