CN205185358U - A two eccentric gear multi -connecting -rod mechanism for punch press - Google Patents
A two eccentric gear multi -connecting -rod mechanism for punch press Download PDFInfo
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- CN205185358U CN205185358U CN201520996235.0U CN201520996235U CN205185358U CN 205185358 U CN205185358 U CN 205185358U CN 201520996235 U CN201520996235 U CN 201520996235U CN 205185358 U CN205185358 U CN 205185358U
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- eccentric gear
- punch press
- transmission shaft
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Abstract
The utility model relates to a two eccentric gear multi -connecting -rod mechanism for punch press, connected axis of rotation is installed to gear broad in the middle one side, be close to in the gear broad in the middle outer lane department install with gear face vertically connecting pin broad in the middle, the connecting pin middle part links to each other with the one end of rocker, the other end of rocker with install that the transmission shaft on the eccentric position in middle part links to each other in gear broad in the middle, the vertical preceding terminal surface middle part of gear broad in the middle of passing of transmission shaft one end, and install intermediate gear on this tip, left eccentric gear and right eccentric gear rather than the meshing are installed to the intermediate gear bilateral symmetry, all install the connecting rod before left eccentric gear and the right eccentric gear on the terminal surface, the guide pillar is installed to the connecting rod lower extreme. The utility model has the characteristics of simple structure, low in production cost, dashing in the time of can reducing the punching press are effectively invited, are guaranteed quick return stroke simultaneously, are guaranteed the ram efficiency of punch press etc.
Description
Technical field
The utility model relates to punch press multi-connecting-rod mechanism technical field, particularly relates to a kind of two point eccentric gear multi-connecting-rod mechanism for punch press.
Background technology
In general punch press transmission system, all have employed slider-crank mechanism, slide block is very fast at punching course medium velocity, makes certain some product can produce some defects when shaping.Carrying out low speed punching press for addressing this problem all to have employed when punching course, can ensure well shaping, also further protecting the mold use life-span.For realizing low speed punching press, the characteristic of quick return, needs to develop a kind of two point eccentric gear multi link punch press.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of two point eccentric gear multi-connecting-rod mechanism for punch press, has that structure is simple, production cost is low, rushing speed, ensure quick return simultaneously, ensure that the features such as the ram efficiency of punch press when effectively can reduce punching press.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of two point eccentric gear multi-connecting-rod mechanism for punch press, comprise idler gear, with gear broad in the middle, described gear side broad in the middle is provided with connected turning cylinder, near outer ring place, the connecting pin vertical with gear face broad in the middle is installed in described gear broad in the middle, be connected with one end of rocking bar in the middle part of connecting pin, the other end of rocking bar is connected with the power transmission shaft be arranged in gear broad in the middle on the eccentric position of middle part, power transmission shaft one end passes vertically through in the middle part of gear front end face broad in the middle, and on this end, idler gear is installed, idler gear bilateral symmetry is provided with the left eccentric gear and right eccentric gear that engage with it, described left eccentric gear and right eccentric gear front end face are all provided with connecting rod, connecting rod lower end is provided with guide pillar, be used for driving power transmission shaft by installing gear broad in the middle, when pinion rotation broad in the middle time, connecting pin and rocking bar also rotate thereupon, rocking bar drives drive axis, drive axis drives idler gear to rotate, idler gear drives left eccentric gear and right avertence heart pinion rotation, left eccentric gear and right avertence heart gear driven connecting rod and guide pillar move up and down, form punching press, have employed eccentric gear guide pillar guide pin bushing makes slide block only bear stamping press, ensure that the running precision of lathe, from the stressed upper moment of torsion that can reduce power transmission shaft because have employed multi-connecting-rod mechanism.
Supplement as to the one of technical scheme described in the utility model, described turning cylinder end is connected with a joggle by teeth and gear outer ring broad in the middle.
Supplement as to the one of technical scheme described in the utility model, the travelling gear driving turning cylinder to rotate is installed in the middle part of described turning cylinder.
Supplement as to the one of technical scheme described in the utility model, the rear end face of described travelling gear is provided with the gland of fitting with travelling gear.
Supplement as to the one of technical scheme described in the utility model, described power transmission shaft is connected by key and is connected with idler gear.
Supplement as to the one of technical scheme described in the utility model, described power transmission shaft is fixedly connected with adopting between rocking bar, and described rocker sleeve is connected in the middle part of connecting pin.
Described rocking bar comprises short connecting rod and long connecting rod, and one end of described long connecting rod is connected with connecting pin, and the other end is connected with short connecting rod one end, and the other end of described short connecting rod is connected with power transmission shaft.
Be furnished with manhole in the middle part of described gear broad in the middle, through hole two ends seal respectively by lower cover and upper cover, and described power transmission shaft one end is inserted in upper cover, and the other end is through lower cover.
beneficial effect
The utility model relates to a kind of two point eccentric gear multi-connecting-rod mechanism for punch press, be used for driving power transmission shaft by installing gear broad in the middle, when pinion rotation broad in the middle time, connecting pin and rocking bar also rotate thereupon, rocking bar drives drive axis, drive axis drives idler gear to rotate, idler gear drives left eccentric gear and right avertence heart pinion rotation, left eccentric gear and right avertence heart gear driven connecting rod and guide pillar move up and down, form punching press, have employed eccentric gear guide pillar guide pin bushing makes slide block only bear stamping press, ensure that the running precision of lathe, from the stressed upper moment of torsion that can reduce power transmission shaft because have employed multi-connecting-rod mechanism.The utility model also has that structure is simple, production cost is low, rushing speed, ensure quick return simultaneously, ensure that the features such as the ram efficiency of punch press when effectively can reduce punching press.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model;
Fig. 2 is the A-A direction sectional view of Fig. 1 described in the utility model;
Fig. 3 is the B-B direction sectional view of Fig. 2 described in the utility model;
Fig. 4 is the kinetic characteristic curve figure of common slider-crank mechanism;
Fig. 5 is the movement profiles of the utility model slider-crank mechanism.
Diagram: 1, left eccentric gear, 2, connecting rod, 3, idler gear, 4, right eccentric gear, 5, power transmission shaft, 6, turning cylinder, 7, connecting pin, 8, rocking bar, 9, gear broad in the middle, 10, guide pillar, 11, travelling gear, 12, short connecting rod, 13, upper cover, 14, long connecting rod, 15, lower cover.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
Embodiment of the present utility model relates to a kind of two point eccentric gear multi-connecting-rod mechanism for punch press, as shown in Fig. 1-5, comprise idler gear 3, with gear 9 broad in the middle, described gear broad in the middle 9 side is provided with connected turning cylinder 6, near outer ring place, the connecting pin 7 vertical with gear 9 end face broad in the middle is installed in described gear broad in the middle 9, be connected with one end of rocking bar 8 in the middle part of connecting pin 7, the other end of rocking bar 8 is connected with the power transmission shaft 5 be arranged in gear 9 broad in the middle on the eccentric position of middle part, power transmission shaft 5 one end passes vertically through in the middle part of gear 9 front end face broad in the middle, and on this end, idler gear 3 is installed, idler gear 3 bilateral symmetry is provided with the left eccentric gear 1 and right eccentric gear 4 that engage with it, described left eccentric gear 1 and right eccentric gear 4 front end face are all provided with connecting rod 2, connecting rod 2 lower end is provided with guide pillar 10.
Described turning cylinder 6 end is connected with a joggle by teeth and gear broad in the middle 9 outer ring.
The travelling gear 11 driving turning cylinder 6 to rotate is installed in the middle part of described turning cylinder 6.
The rear end face of described travelling gear 11 is provided with the gland of fitting with travelling gear 11.
Described power transmission shaft 5 is connected by key and is connected with idler gear 3.
Described power transmission shaft 5 is fixedly connected with adopting between rocking bar 8, and described rocking bar 8 is socketed in the middle part of connecting pin 7.
Described rocking bar 8 comprises short connecting rod 12 and long connecting rod 14, and one end of described long connecting rod 14 is connected with connecting pin 7, and the other end is connected with short connecting rod 12 one end, and the other end of described short connecting rod 12 is connected with power transmission shaft 5.
Be furnished with manhole in the middle part of described gear broad in the middle 9, through hole two ends seal respectively by lower cover 15 and upper cover 13, and described power transmission shaft 5 one end is inserted in upper cover 13, and the other end is through lower cover 15.
Embodiment
In time starting whole mechanism, first by driven by motor travelling gear 11, travelling gear 11 drives turning cylinder 6, turning cylinder 6 rotates and gear 9 broad in the middle is rotated, gear 9 rotating band broad in the middle is dynamically connected pin 7 around center gear wheel 9 center rotating, connecting pin 7 drives again rocking bar 8 to rotate, because the other end of rocking bar 8 is fixedly connected with power transmission shaft 5, so rocking bar 8 rotates around power transmission shaft 5, power transmission shaft 5 can rotate along with rocking bar 8 and rotate, power transmission shaft 5 rotates and drives idler gear 3 to rotate, idler gear 3 rotates and drives left avertence heart gear 1 and right eccentric gear 4 to rotate, left eccentric gear 1 and right eccentric gear 4 rotate and drive two connecting rods 2 synchronously to move up and down respectively, connecting rod 2 moves up and down and drives guide pillar 10 to move up and down, be used for press work.
The punch press of this kind of transmission system is lower in cost of manufacture, and be provided with slow punching press, the feature of quick return, and have employed eccentric gear guide pillar guide pin bushing and make slide block only bear stamping press, ensure that the running precision of lathe, from the stressed upper moment of torsion that can reduce power transmission shaft because have employed multi-connecting-rod mechanism.
As Fig. 4 the rate curve of slide block that records and ram travel curve, can clear observe out from figure, the stroke of slide block and the speed of slide block in regular change, so can find out that slide block punching press hourly velocity is very fast, likely damage the product of punching press according to crankshaft angles.
Fig. 5 is rate curve and the ram travel curve of this slide block after improving, upper as can be seen from figure, when slide block punching press, speed is slower, and when slide block enters backhaul time, the speed of slide block is returned and is become very fast, make press while avoiding pressing product to occur damaging, accelerate the speed of backhaul, improve the operating efficiency of production.
Claims (8)
1. the two point eccentric gear multi-connecting-rod mechanism for punch press, comprise idler gear (3), with gear broad in the middle (9), it is characterized in that: described gear broad in the middle (9) side is provided with connected turning cylinder (6), near outer ring place, the connecting pin (7) vertical with gear broad in the middle (9) end face is installed in described gear broad in the middle (9), connecting pin (7) middle part is connected with one end of rocking bar (8), the other end of rocking bar (8) is connected with the power transmission shaft (5) be arranged in gear broad in the middle (9) on the eccentric position of middle part, power transmission shaft (5) one end passes vertically through in the middle part of gear broad in the middle (9) front end face, and idler gear (3) is installed on this end, idler gear (3) bilateral symmetry is provided with the left eccentric gear (1) and right eccentric gear (4) that engage with it, described left eccentric gear (1) and right eccentric gear (4) front end face are all provided with connecting rod (2), connecting rod (2) lower end is provided with guide pillar (10).
2. a kind of two point eccentric gear multi-connecting-rod mechanism for punch press according to claim 1, is characterized in that: described turning cylinder (6) end is connected with a joggle by teeth and gear broad in the middle (9) outer ring.
3. a kind of two point eccentric gear multi-connecting-rod mechanism for punch press according to claim 1, is characterized in that: described turning cylinder (6) middle part is provided with the travelling gear (11) driving turning cylinder (6) to rotate.
4. a kind of two point eccentric gear multi-connecting-rod mechanism for punch press according to claim 3, is characterized in that: the rear end face of described travelling gear (11) is provided with the gland of fitting with travelling gear (11).
5. a kind of two point eccentric gear multi-connecting-rod mechanism for punch press according to claim 1, is characterized in that: described power transmission shaft (5) is connected by key and is connected with idler gear (3).
6. a kind of two point eccentric gear multi-connecting-rod mechanism for punch press according to claim 1, it is characterized in that: described power transmission shaft (5) is fixedly connected with adopting between rocking bar (8), described rocking bar (8) is socketed in connecting pin (7) middle part.
7. a kind of two point eccentric gear multi-connecting-rod mechanism for punch press according to claim 1, it is characterized in that: described rocking bar (8) comprises short connecting rod (12) and long connecting rod (14), one end of described long connecting rod (14) is connected with connecting pin (7), the other end is connected with short connecting rod (12) one end, and the other end of described short connecting rod (12) is connected with power transmission shaft (5).
8. a kind of two point eccentric gear multi-connecting-rod mechanism for punch press according to claim 1, it is characterized in that: described gear broad in the middle (9) middle part is furnished with manhole, through hole two ends seal respectively by lower cover (15) and upper cover (13), described power transmission shaft (5) one end is inserted in upper cover (13), and the other end is through lower cover (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520996235.0U CN205185358U (en) | 2015-12-03 | 2015-12-03 | A two eccentric gear multi -connecting -rod mechanism for punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520996235.0U CN205185358U (en) | 2015-12-03 | 2015-12-03 | A two eccentric gear multi -connecting -rod mechanism for punch press |
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| Publication Number | Publication Date |
|---|---|
| CN205185358U true CN205185358U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520996235.0U Active CN205185358U (en) | 2015-12-03 | 2015-12-03 | A two eccentric gear multi -connecting -rod mechanism for punch press |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346125A (en) * | 2015-12-03 | 2016-02-24 | 宁波博信机械制造有限公司 | Double-point eccentric gear type multi-linkage mechanism for punch press |
| CN110126022A (en) * | 2019-06-04 | 2019-08-16 | 北京黎马敦太平洋包装有限公司 | A kind of novel mechanical driven type high-precision die-cutting device |
-
2015
- 2015-12-03 CN CN201520996235.0U patent/CN205185358U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346125A (en) * | 2015-12-03 | 2016-02-24 | 宁波博信机械制造有限公司 | Double-point eccentric gear type multi-linkage mechanism for punch press |
| CN110126022A (en) * | 2019-06-04 | 2019-08-16 | 北京黎马敦太平洋包装有限公司 | A kind of novel mechanical driven type high-precision die-cutting device |
| CN110126022B (en) * | 2019-06-04 | 2021-01-19 | 北京黎马敦太平洋包装有限公司 | Novel mechanical transmission type high-precision die cutting equipment |
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