CN202468885U - Crank connecting rod driving mechanism and punch press main driving system - Google Patents
Crank connecting rod driving mechanism and punch press main driving system Download PDFInfo
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- CN202468885U CN202468885U CN 201220051973 CN201220051973U CN202468885U CN 202468885 U CN202468885 U CN 202468885U CN 201220051973 CN201220051973 CN 201220051973 CN 201220051973 U CN201220051973 U CN 201220051973U CN 202468885 U CN202468885 U CN 202468885U
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- bent axle
- connecting rod
- throw
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- eccentric
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Abstract
The utility model discloses a crank connecting rod driving mechanism which comprises a crank and a connecting rod. The crank connecting rod driving mechanism is characterized in that a fixed tooth nest and a crankshaft deflecting sleeve are arranged on a crankshaft in parallel, wherein the fixed tooth nest is fixedly connected with the crankshaft; a first lubricating copper sleeve is arranged between the crankshaft deflecting sleeve and the crankshaft; a connecting rod and a tooth nest are sleeved on the outer edge of the crankshaft deflecting sleeve through a second lubricating copper sleeve; the tooth nest is fixedly connected with the connecting rod; a converting sleeve with a tooth nesting device is sleeved on the crankshaft deflecting sleeve and can slide on the crankshaft deflecting sleeve; and a converting sleeve driving device is arranged on the connecting rod. The crank connecting rod driving mechanism has the advantages that energy sources are saved, noises are reduced, the efficiency is increased and the process is optimized. The crank connecting rod driving mechanism can be widely applied to numeric control stamping equipment. The utility model further provides a punch press main driving system with the crank connecting rod driving mechanism. The punch press main driving system comprises a motor and the crank connecting rod driving mechanism connected with the motor.
Description
Technical field
The utility model relates to the variable crank linkage driving system of a kind of throw of eccentric and the actuating motor main transmission as the novel numerical control turrent punch press of power.Belong to Machine Design manufacturing technology field.
Background technique
NC turret punch machine is the key equipment of metallic plate punching processing; Main transmission component as punching press power; Tradition adopts the mechanical type design of connecting rod as shown in Figure 9; Connecting rod and flywheel 56 by bent axle 55, connecting rod 53, bearing pin 52 and slide block 51 etc. are formed are installed on the fuselage 54.Clutch is connected with bent axle 55 right side axle heads respectively with break 58, and by main control valve 57 its actions of control.In the work, main motor drives flywheel 56 rotations through belt, gives bent axle 55 through the combination of clutch and break 58 with transmission of power, and slide block 51 is moved up and down; Otherwise, do power is broken away from bent axle 55 and it is stopped through the braking of clutch and break 58.Though this structure is comparatively simple, manufacture cost is lower, and shortcoming is that the friction plate loss is fast, and contaminativity is strong; Stability is poor, and its throw of eccentric is unique, can not change; Adapt to poor, when the sheet material of punching press different-thickness and material, can not adjust, the waste resource; Efficient is low, and needs often adjustment and maintenance, and noise is big.
Summary of the invention
The deficiency that the utility model exists to prior art; A kind of stable performance is provided, can adjusts the size of throw of eccentric, adapt to different condition and use down with requiring; And its high working efficiency, the crank linkage driving system that the throw of eccentric that noise is little is variable and punch press main transmission.
The technical characteristics of the utility model is: overlap partially increasing a bent axle between the crankshaft-and-connecting-rod in traditional crank linkage driving system; Make the partially device that combines by different way of cover of bent axle and bent axle in addition, this device comprises conversion sleeve, fixedly claw collar, claw collar and supporting cylinder.Change the compound mode of bent axle and the inclined to one side cover of bent axle through this device, thereby realize the change of the throw of eccentric of crank linkage driving system.
The concrete structure of the utility model is: a kind of crank linkage driving system, and it comprises crankshaft-and-connecting-rod, it is characterized in that on bent axle, being set with side by side fixedly that claw collar and bent axle overlap partially, fixedly claw collar is fixedly connected with bent axle; Overlap outer rim partially at bent axle and be set with connecting rod and claw collar, claw collar is fixedly connected with connecting rod; Have conversion sleeve that the tooth setting-in puts and be sleeved on adaptive with it bent axle and put partially, realizing respectively and the fixedly engagement of claw collar and claw collar in the axially sliding process of joining of cover partially with bent axle; Connecting rod is provided with the conversion sleeve drive unit.
The concrete characteristics of this programme also have, and the first lubricated copper sheathing is set between inclined to one side cover of bent axle and bent axle, overlap outer rim partially at bent axle and are set with connecting rod and claw collar through the second lubricated copper sheathing.
Said conversion sleeve drive unit is meant that the outer rim at connecting rod is set with two cover cylinder assemblies and moves to drive conversion sleeve.Realize the conversion of throw of eccentric: when diverse location, can overlap fixing claw collar partially with bent axle through moving of conversion sleeve and to be connected, the throw of eccentric of whole like this connecting rod converts the combination that bent axle and bent axle overlap throw of eccentric partially into; When conversion sleeve moved to a bent axle partially cover is connected with claw collar, bent axle is inclined to one side to be overlapped and connecting rod assembly becomes new connecting rod, and the throw of eccentric of whole connecting rod converts the throw of eccentric of bent axle into.When working with different throw of eccentric, when bent axle rotated equal angular in same position, the position that the strike bar that drivening rod connected moves was different, under different operating modes, can select different throw of eccentric work.
The lower end of connecting rod is connected with strike bar in being arranged on guide sleeve through pin.
The utility model also provides a kind of punch press main transmission that has crank linkage driving system.
A kind of punch press main transmission; It comprises motor and the crank linkage driving system that is attached thereto; It is characterized in that said crank linkage driving system comprises crankshaft-and-connecting-rod, be set with side by side on bent axle fixedly that claw collar and bent axle overlap partially, fixedly claw collar is fixedly connected with bent axle; Overlap outer rim partially at bent axle and be set with connecting rod and claw collar, claw collar is fixedly connected with connecting rod; Have conversion sleeve that the tooth setting-in puts and be sleeved on adaptive with it bent axle and put partially, realizing respectively and the fixedly engagement of claw collar and claw collar in the axially sliding process of joining of cover partially with bent axle; Connecting rod is provided with the conversion sleeve drive unit.
The concrete characteristics of this programme also have, and the first lubricated copper sheathing is set between inclined to one side cover of bent axle and bent axle, overlap outer rim partially at bent axle and are set with connecting rod and claw collar through the second lubricated copper sheathing.
Said conversion sleeve drive unit is meant that the outer rim at connecting rod is set with two cover cylinder assemblies and moves to drive conversion sleeve.
The lower end of connecting rod is connected with strike bar in being arranged on guide sleeve through pin.
Said motor is the numerical control servo motor.
Said numerical control servo motor is two and directly links to each other with crank linkage driving system.
Between numerical control servo motor and crank linkage driving system, be provided with speed reducer.
The beneficial effect of the utility model is, provides a kind of throw of eccentric variable device, and this driving mechanism is divided into two kinds of different forms again, and a kind of is the mechanism form that two throw of eccentric conversions are arranged, and another kind is the mechanism form that the conversion of three throw of eccentric is arranged.Be applied in the connecting rod, adopted driven by servomotor on this basis, saved middle flywheel, clutch and break link, not only kept the reliability of original mechanical structure, the advantage below also having possessed:
1. energy saving.In good time control actuating motor only provides energy needed when press work, punching press stops after accomplishing, and avoids mechanical type punching press driving mechanism, and motor drives the waste of flywheel rotation always.
2. reduction noise.Through to the adjusting of throw of eccentric and the control of actuating motor, be controlled at reasonable range to the movement process of slide block, thereby prolong the life-span of mould, effectively reduced noise.
3. raise the efficiency.Through to the adjustment of off-centre and the control of actuating motor, make stroke, speed and the feeding time of slide block reach optimization, thereby the punching press number of times is increased, raise the efficiency.
4. process optimization.Through can setting the position of slide block accurately, thereby can improve machining accuracy to the control of actuating motor.According to different stamping procesies and mould-type, come optimizer control slide block to reach the most reasonably working method, like impression, punching, moulding etc.
5. flexible increasing.Can be according to the different choice of operating mode different throw of eccentric reaches better machining effect, makes whole lathe can adapt to more multi-processing situation, enlarges machining range.
6. cost performance is high.Just can realize the effect of different lathes through increasing several parts.
7. user cost is low.Reach optimized effect through rational adjustment main transmission, reduced the use processing cost greatly.
Description of drawings
Fig. 1 is a dual-motor servo drive system master pseudosection.Fig. 2 is the local A view of Fig. 1.Fig. 3 is single motor servo drive system master pseudosection.Fig. 4 is speed reducer, single motor servo drive system master pseudosection.Fig. 5 is a large eccentricity upper dead center A-A view in two/three throw of eccentric.Fig. 6 is a middle throw of eccentric lower dead centre A-A view in two throw of eccentric conversion neutral position/three throw of eccentric.Small eccentricity lower dead centre A-A view in the two throw of eccentric conversion of Fig. 7 neutral position/three throw of eccentric.The upper dead center A-A view of small eccentricity in the two throw of eccentric of Fig. 8.The original mechanical type main transmission component of Fig. 9 schematic representation.Among the figure: 1-straight-through nut; 2-end cap; 3-baffle plate; 4-spring; 5-cover plate; 6-bent axle; 7-connecting sleeve; 8-water jacket, 9-pressing plate, 10-annulus, 11-flange seat, 12-bearing, 13-bearing, 14-fixedly claw collars, 15-conversion sleeve; 16-piece, 17-guiding groove, 18-claw collar, 19-connecting rod, 20-cylinder assembly, 21-the second lubricated copper sheathing, 22-bent axle overlaps partially, 23-bearing; 24-at a distance from retaining, 25-pre-grinding pad, 26-at a distance from retaining, 27-at a distance from retaining, 28-seal ring, 29-pre-grinding pad, 30-coupling shaft; 31-coupling, 32-coupling shaft, 33-encoder, 34-bearing pin, 35-oilless bearing, 36-slide block, 37-guide pin bushing; 38-slide block set, 39-end cap, 40-seal ring, 41-dunnage, 42-pressing plate, 43-cover plate, 44-actuating motor I; 45-switch bracket, 46-flange seat, 47-speed reducer, 48-actuating motor II, 49-casing, 50-the first lubricated copper sheathing, 51-slide block; 52-bearing pin, 53-connecting rod, 54-fuselage, 55-bent axle, 56-flywheel, 57-main control valve, 58-clutch and break.
Embodiment
Embodiment 1: the crank linkage driving system that throw of eccentric is variable.
The crank linkage driving system that a kind of throw of eccentric is variable, this driving mechanism are divided into two kinds of different forms again, and a kind of is the mechanism form that two throw of eccentric conversions are arranged, and another kind is the mechanism form that the conversion of three throw of eccentric is arranged.Two kinds of driving mechanisms all are to comprise bent axle 6, connecting rod 19 and throw of eccentric variset, the throw of eccentric variset by fixedly claw collar 14, claw collar 18, bent axle overlap 22 partially, conversion sleeve 15 etc. forms, fixedly claw collar 14 is connected with bent axle 6 through spline; Claw collar 18 passes through screw on connecting rod 19; Conversion sleeve 15 is put through the tooth setting-in that is provided with and is enclosed within on the inclined to one side cover 22 of bent axle, and can slide above the cover 22 partially at bent axle.
Bent axle cover 22 partially is enclosed within above the bent axle 6; Be provided with the first lubricated copper sheathing 50 between them, play lubricated effect, connecting rod 19 is enclosed within bent axle and overlaps on 22 partially; The second lubricated copper sheathing 21 that lubrication is arranged in the middle of same; Two cover cylinder assemblies 20 are housed in the outside of connecting rod 19, conversion sleeve 15 are moved through cylinder assembly 20, realize with fixedly claw collar 14 and claw collar 18 combine and disengagement reaches the conversion of large and small off-centre.
The connecting rod (referring to Fig. 1) of a kind of pair of throw of eccentric conversion; Working state for the large eccentricity lower dead centre; Conversion sleeve 15 overlapped fixing claw collar 14 partially with bent axle and was connected 22 together this moment, and the throw of eccentric of this main transmission is that the throw of eccentric of bent axle 6 adds inclined to one side 22 the throw of eccentric of overlapping of bent axle.
When realizing large eccentricity, to carry out following action: through motor rotating band dynamic crankshaft 6 Rotate 180s ° apart from the work of conversion small eccentricity; Make main transmission arrive the state (referring to Fig. 5) of large eccentricity upper dead center; This moment, motor stopped; Two cylinder assembly 20 ventilation work then drive conversion sleeve 15 and slide on the cover 22 partially at bent axle, throw off and combine with claw collar 18 with fixing claw collar 14; Overlap 22 to connecting rod 19 and bent axle partially through conversion sleeve 15 this moment and link together, the throw of eccentric value of this main transmission is the throw of eccentric of bent axle 6; Electric motor starting drove bent axle 6 Rotate 180s and ° stopped (referring to Fig. 6) then this moment; Two cylinder assembly 20 ventilation work; Driving conversion sleeve 15 slides on the cover 22 at bent axle partially; Throw off with claw collar 18 and combine with fixing claw collar 14, conversion sleeve 15 fixing claw collar 14 and bent axle partially cover 22 link together, the throw of eccentric value of main transmission this moment is that bent axle 6 throw of eccentric deduct the inclined to one side absolute value that overlaps 22 throw of eccentric of bent axle; Electric motor starting drives crankshaft rotating and stops (referring to Fig. 7) then for 180 °; Two cylinder assembly 20 ventilation work drive conversion sleeve 15 and slide on the cover 22 partially at bent axle, throw off and combine with claw collar 18 with fixing claw collar 14; The state of main transmission is converted into the upper dead center (referring to Fig. 8) of small eccentricity; The throw of eccentric of this main transmission is crankshaft eccentric apart from 22 size, accomplished the process that large eccentricity is converted into small eccentricity, and main drive gear just carries out work with the mode of small eccentricity like this.
The process that small eccentricity is converted into large eccentricity is the anti-process of said process; Main transmission arrives the state (referring to Fig. 8) of small eccentricity upper dead center; This moment, conversion sleeve 15 linked together the inclined to one side cover 22 of connecting rod 19 and bent axle, and the throw of eccentric of main transmission is the throw of eccentric of bent axle 6, two cylinder assembly 20 ventilation work; Driving conversion sleeve 15 slides on the cover 22 at bent axle partially; Throw off with claw collar 18 and combine with fixing claw collar 14, this moment bent axle 6, fixedly claw collar 14 and bent axle partially cover 22 be fixed together, the throw of eccentric of main transmission is that the throw of eccentric of bent axle 6 deducts the absolute value that bent axle overlaps 22 throw of eccentric partially; Electric motor starting; Through driven by motor bent axle 6, fixedly claw collar 14 and bent axle partially cover 22 change 180 °, motor stops (referring to Fig. 7) then, two cylinder assembly 20 ventilation work; Driving conversion sleeve 15 slides on the cover 22 at bent axle partially; Throw off with fixing claw collar 14 and combine with claw collar 18, this moment connecting rod 19 with bent axle partially cover 22 link together, the throw of eccentric of main transmission is the throw of eccentric of bent axle 6; Electric motor starting; Driven by motor bent axle 6 Rotate 180s ° stop (referring to Fig. 6) then; Last two cylinder assemblies, 20 ventilation work drive conversion sleeve 15 and slide on the cover 22 partially at bent axle, throw off with claw collar 18 and combine with fixing claw collar 14; This moment, bent axle 6 was fixed together with the inclined to one side cover 22 of bent axle; Main transmission throw of eccentric be bent axle 6 throw of eccentric add the partially throw of eccentric (referring to Fig. 5) of cover 22 of bent axle, accomplished the process that small eccentricity is converted into large eccentricity, main drive gear just carries out work with the mode of large eccentricity like this.
The connecting rod of a kind of three throw of eccentric conversion, be divided into big, in, little three kinds of throw of eccentric are illustrated in figure 5 as the upper dead center working state of large eccentricity.In when work, the conversion of state is divided into large eccentricity throw of eccentric in change, the middle eccentric small eccentricity that changes, throw of eccentric during small eccentricity changes, the middle eccentric large eccentricity distance of changeing.
Be illustrated in figure 5 as the upper dead center of large eccentricity, bent axle 6 overlaps 22 partially with bent axle and is fixed together, and the throw of eccentric of main transmission is that bent axle 6 throw of eccentric add the bent axle throw of eccentric of cover 22 partially; In changeing during throw of eccentric, this moment, motor was slack, two cylinder assemblies 20 ventilations at large eccentricity; Cylinder column is regained, and drives conversion sleeve 15 and fixedly claw collar 14 disengagements, and combines with claw collar 18; This moment, conversion sleeve 15 was fixed together the inclined to one side cover 22 of bent axle with connecting rod 19, and the throw of eccentric of main transmission is the throw of eccentric of bent axle 6, and the state of this moment is the upper dead center position of middle throw of eccentric; Accomplish the working procedure of throw of eccentric in the large eccentricity commentaries on classics, this moment just can be with middle throw of eccentric work; When middle throw of eccentric was changeed small eccentricity, at the upper dead center position of middle throw of eccentric, electric motor starting drove 180 ° of crankshaft rotating; In the arrival during lower dead point position of throw of eccentric motor slack, two cylinder assemblies 20 ventilations then, cylinder column stretches out; Drive conversion sleeve 15 and throw off with claw collar 18, and combines with fixing claw collar 14, conversion sleeve 15 overlaps 22 and is fixed together bent axle 6 and bent axle are inclined to one side; The throw of eccentric of main transmission is that the throw of eccentric of bent axle 6 deducts the bent axle throw of eccentric of cover 22 partially; The state of this moment is the lower dead point position (referring to Fig. 7) of small eccentricity, the working procedure of throw of eccentric conversion small eccentricity in the completion, and just can carry out work with small eccentricity this moment; During throw of eccentric, at the small eccentricity lower dead point position, this moment, motor stopped in small eccentricity changes; Two cylinder assembly 20 ventilations, cylinder column is regained, and drives conversion sleeve 15 and fixedly claw collar 14 disengagements; And combine with claw collar 18; Conversion sleeve 15 overlaps 22 to connecting rod 19 and bent axle partially and is fixed together, and the throw of eccentric of main transmission is the throw of eccentric of bent axle 6, and the state of this moment is the lower dead point position of middle throw of eccentric; Accomplish the transfer process of throw of eccentric in the small eccentricity commentaries on classics, just can carry out work with middle throw of eccentric this moment; In throw of eccentric transfer to large eccentricity apart from the time, at the lower dead point position of middle throw of eccentric, this moment, electric motor starting drove bent axle 6 Rotate 180s °; In the arrival during upper dead center position of throw of eccentric motor slack; Two cylinder assembly 20 ventilations then, cylinder column stretches out, and drives conversion sleeve 15 and throws off with claw collar 18; And combine with fixing claw collar 14; The throw of eccentric of main transmission is that the throw of eccentric of bent axle 6 adds the bent axle throw of eccentric of cover 22 partially, and the state of this moment is the upper dead center position of large eccentricity distance, the working procedure of throw of eccentric conversion small eccentricity in the completion.
The characteristics of two throw of eccentric conversion regimes: the lower dead centre that has guaranteed two kinds of throw of eccentric is constant, and the transfer process of throw of eccentric can avoid colliding mould without lower dead centre, but the transfer process more complicated.The characteristics of three throw of eccentric conversion regimes: the lower dead centre that has guaranteed small eccentricity and middle off-centre is constant, during the lower dead centre of large eccentricity has surpassed, the scope of small eccentricity, so motor can not circular movement when large eccentricity is worked; Can only swing, can reach higher speed like this, shortcoming converts to for advantage; The process of conversion is fairly simple; Control easily, but throw of eccentric needed lower dead centre when changing, so mould is had certain influence.Can select the throw of eccentric conversion regime according to different working mode and demand.
Embodiment 2: with the novel numerical control turrent punch press main transmission of numerical control list/two actuating motors as power.
The servo main transmission of the punch press of the crank linkage driving system that a kind of throw of eccentric is variable; Comprise successively the actuating motor that links to each other, embodiment's 1 said crank linkage driving system, the guide pin bushing 37, slide block 36 and the drift that link to each other with embodiment's 1 said crank linkage driving system; It is characterized in that list/two actuating motors 44 directly are connected with embodiment's 1 said crank linkage driving system; Directly drive embodiment's 1 described crank linkage driving system motion; The punching press action is accomplished in the work of the guide pin bushing 37 that drive links to each other with crank linkage driving system, slide block 36 and drift.
Like Fig. 1, shown in Figure 3, be with the novel numerical control turrent punch press main transmission of numerical control list/two actuating motors as power, this system directly controls actuating motor and exports desired power, rotating speed and rotational position and wait the effect that reaches punching press.Compare with the traditional mechanical structure, it is short to have the response time, and efficient is high, and it is low to consume energy, and maintenance rate is low, and noise is little, and punching precision is high, can grasp advantages such as punching press frequency and stamping position accurately.Can select the single motor single limit to drive according to the working condition of reality, perhaps select two actuating motor bilateral symmetry to drive.The control of single servo motor motor driving is fairly simple, is applicable under the reasonable condition of operating mode, but monolateral stressed bigger.The bilateral driving of two actuating motors can well change monolateral stressed bigger problem, makes total stressed evenly, and mechanical structure is stable; Greatly reduce failure rate of machinery, and the power ratio of output is bigger, it is more abominable to be adapted at operating mode; Use when needs are high-power; Adaptive capacity is strong, and two actuating motors all are the structures that adopts single motor installing both sides, mainly is to guarantee the synchronous of two motors by servo drive system.
Embodiment 3: with the novel numerical control turrent punch press main transmission of numerical control servo motor and speed reducer as power.
As shown in Figure 4, adopt the similar servo control system of the crank linkage driving system identical and embodiment 2, and increased the structure of speed reducer with embodiment 1.Connect embodiment's 1 said connecting rod successively, speed reducer 47 and actuating motor II 48.Reduction of speed through speed reducer 47 can improve output torque, and the moment of torsion export ratio is taken advantage of reduction speed ratio by motor output; Speed reducer 47 has reduced the inertia of load when slowing down, inertia be reduced to reduction speed ratio square.
Claims (10)
1. crank linkage driving system, it comprises crankshaft-and-connecting-rod, it is characterized in that on bent axle, being set with side by side fixedly that claw collar and bent axle overlap partially, fixedly claw collar is fixedly connected with bent axle; Overlap outer rim partially at bent axle and be set with connecting rod and claw collar, claw collar is fixedly connected with connecting rod; Have conversion sleeve that the tooth setting-in puts and be sleeved on adaptive with it bent axle and put partially, realizing respectively and the fixedly engagement of claw collar and claw collar in the axially sliding process of joining of cover partially with bent axle; Connecting rod is provided with the conversion sleeve drive unit.
2. crank linkage driving system according to claim 1 is characterized in that between inclined to one side cover of bent axle and bent axle, being provided with the first lubricated copper sheathing, overlaps outer rim partially at bent axle and is set with connecting rod and claw collar through the second lubricated copper sheathing.
3. crank linkage driving system according to claim 1 is characterized in that said conversion sleeve drive unit is meant that outer rim at connecting rod is set with two cover cylinder assemblies and moves to drive conversion sleeve.
4. crank linkage driving system according to claim 1, the lower end that it is characterized in that connecting rod is connected with strike bar in being arranged on guide sleeve through pin.
5. punch press main transmission; It comprises motor and the crank linkage driving system that is attached thereto, and it is characterized in that said crank linkage driving system comprises crankshaft-and-connecting-rod, and on bent axle, being set with fixedly side by side, claw collar and bent axle overlap partially; Fixedly claw collar is fixedly connected with bent axle; The first lubricated copper sheathing is set between inclined to one side cover of bent axle and bent axle, overlaps outer rim partially at bent axle and be set with connecting rod and claw collar through the second lubricated copper sheathing, claw collar is fixedly connected with connecting rod; Have that conversion sleeve that the tooth setting-in puts is sleeved on that bent axle puts partially and can be in bent axle slip above the cover partially; Connecting rod is provided with the conversion sleeve drive unit.
6. punch press main transmission according to claim 5 is characterized in that said conversion sleeve drive unit is meant that outer rim at connecting rod is set with two cover cylinder assemblies and moves to drive conversion sleeve.
7. punch press main transmission according to claim 5, the lower end that it is characterized in that connecting rod is connected with strike bar in being arranged on guide sleeve through pin.
8. punch press main transmission according to claim 5 is characterized in that said motor is the numerical control servo motor.
9. punch press main transmission according to claim 5 is characterized in that said numerical control servo motor is two and directly links to each other with crank linkage driving system.
10. punch press main transmission according to claim 5 is characterized in that between numerical control servo motor and crank linkage driving system, being provided with speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220051973 CN202468885U (en) | 2012-02-17 | 2012-02-17 | Crank connecting rod driving mechanism and punch press main driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220051973 CN202468885U (en) | 2012-02-17 | 2012-02-17 | Crank connecting rod driving mechanism and punch press main driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468885U true CN202468885U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220051973 Withdrawn - After Issue CN202468885U (en) | 2012-02-17 | 2012-02-17 | Crank connecting rod driving mechanism and punch press main driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562983A (en) * | 2012-02-17 | 2012-07-11 | 济南铸造锻压机械研究所有限公司 | Crank and connecting rod transmission mechanism and main transmission system of punch |
| CN102975387A (en) * | 2012-12-06 | 2013-03-20 | 江苏省徐州锻压机床厂集团有限公司 | Servo motor connecting mode |
-
2012
- 2012-02-17 CN CN 201220051973 patent/CN202468885U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562983A (en) * | 2012-02-17 | 2012-07-11 | 济南铸造锻压机械研究所有限公司 | Crank and connecting rod transmission mechanism and main transmission system of punch |
| CN102562983B (en) * | 2012-02-17 | 2014-12-24 | 济南铸造锻压机械研究所有限公司 | Crank and connecting rod transmission mechanism and main transmission system of punch |
| CN102975387A (en) * | 2012-12-06 | 2013-03-20 | 江苏省徐州锻压机床厂集团有限公司 | Servo motor connecting mode |
| CN102975387B (en) * | 2012-12-06 | 2015-02-25 | 江苏省徐州锻压机床厂集团有限公司 | Servo motor connecting mode |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20141224 |
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| RGAV | Abandon patent right to avoid regrant |