CN101590508B - Balance slide block device used for crank slide block mechanism - Google Patents
Balance slide block device used for crank slide block mechanism Download PDFInfo
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- CN101590508B CN101590508B CN2009100997137A CN200910099713A CN101590508B CN 101590508 B CN101590508 B CN 101590508B CN 2009100997137 A CN2009100997137 A CN 2009100997137A CN 200910099713 A CN200910099713 A CN 200910099713A CN 101590508 B CN101590508 B CN 101590508B
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- slide block
- balance
- slider
- crank
- balance slide
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Abstract
The invention discloses a balance slide block device used for a crank slide block mechanism. The balance slide block device comprises an eccentric shaft sleeve which is fixedly connected with a crank of the crank slide block mechanism, the eccentric direction of the eccentric shaft sleeve is opposite to the crank, and the eccentricity of the eccentric shaft sleeve is equal to that of the crank; the eccentric shaft sleeve is fixedly connected with an inner ring of a rolling bearing, an outer ring of the rolling bearing is fixedly connected with a slide block sleeve, and two groups of roller pin inner seats are vertically and symmetrically arranged on the slide block sleeve; the center of a balance slide block is provided with a swing hole for the slide block sleeve to do plane circumference swing, the slide block sleeve passes through the swing hole, two groups of roller pin outer seats are vertically and symmetrically arranged on the swing hole, and both the roller pin inner seats and the roller pin outer seats are arranged on a linear roller pin bearing; the mass of the balance slide block is 50 to 100 percent of the mass of the slide block of the crank slide block mechanism; and left and right sides of the balance slide block can be vertically and glidingly arranged on a stander. The invention provides the balance slide block device used for the crank slide block mechanism with simple structure and low cost.
Description
Technical field
The present invention relates to a kind of stamping machine equipment.
Background technology
In the prior art, the stamping-out rate request of stamping machine that is used for producing functional stamping parts is increasingly high.The further raising of stamping machine stamping-out speed, can bring following problem:
The first, the shock and vibration of stamping machine aggravation: the reciprocating momentum under at a high speed of the slider-crank mechanism on the stamping machine can double by exponentially; The energy multiplication of stamping machine complete machine shock and vibration; Therefore; When stamping machine stamping-out number of times reached certain value, this shock and vibration made that stamping machine can't operate as normal.
The second, the shock and vibration that aggravated descend punching precision: the shock and vibration meeting of stamping machine complete machine causes the instantaneous normal position of departing from of the punch die that is installed on the stamping machine; Stamping-out is not according to setting the track operation; Can't obtain due precision towards part, thereby punching precision is descended.
The shock and vibration meeting of the punch die heel and toe wear aggravation stamping machine complete machine that three, is caused by shock and vibration causes die and the instantaneous skew of punch centering in the punch die, causes the punch die heel and toe wear.
Four, the slide block momentum that has doubled can make the braking difficulty: in general, stamping machine all requires when shutting down, and master slider is parked in peak.The slide block momentum that has doubled at a high speed down makes bent axle braking difficulty, and master slider is difficult to be parked in peak, and this just makes that the disorderly closedown of stamping machine does not have the effect of protection mould.
Above-mentioned 4 further raisings that limit stamping machine stamping-out speed are necessary to create a kind of mechanism, overcome the shock and vibration that the stamping machine high speed brings.
At present, the stamping machine stamping-out number of times of import has and surpasses 400 times/minute, but what on their high velocity ram machine, use is air-balance and hydraulic balance device more, the balance sysmte complicacy, and cost is high.The bascule that the high speed slider-crank mechanism is arranged is not seen by domestic stamping machine manufacturing enterprise, because the stamping-out number of times of homemade forcing press is all below 200 times/minute.
Summary of the invention
For the high deficiency of system complex, cost of the bascule that overcomes existing slider-crank mechanism, the present invention provides a kind of simple in structure, balance slide block device that is used for slider-crank mechanism that cost is low.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of balance slide block device that is used for slider-crank mechanism; Said balance slide block device comprises the excentric sleeve that is fixedly connected with the bent axle of slider-crank mechanism; The eccentric direction and the bent axle of said excentric sleeve are opposite, and the eccentric throw of excentric sleeve equates with the eccentric throw of said bent axle; Said excentric sleeve is fixedly connected with rolling bearing inner ring, and said housing washer is connected with fixed with slide block set, seat in two groups of needle rollers of the symmetric arrangement up and down of said slide block set; The central authorities of balance slide block have the swing hole that supplies said slide block interplanting planar circumferential swing, and said slide block set passes said swing hole, the outer seat of two groups of needle rollers of the symmetric arrangement up and down in said swing hole, and the outer seat of seat and needle roller is installed on the straight line needle bearing in the needle roller; The quality of said balance slide block be slider-crank mechanism the slide block quality 50～100%; The left and right sides of said balance slide block can be installed on the frame up and down slippingly.
Further, the rolling linear slide is all installed in the left and right sides of said balance slide block, and said rolling linear slide is sleeved on the rolling linear slide rail, and said rolling linear slide rail is up and down to be arranged and be installed on the frame.Certainly, also can adopt other slide down moving mechanisms to realize the slippage up and down of balance slide block here.
Two installation guide pillar seats about said balance slide block, said guide pillar seat is fixedly connected with the rolling linear slide, and said guide pillar seat connects in order to regulate the adjusting nut that the guide pillar seat is put.
Further again, said swing hole is the slotted hole of double headed roller circular arc, and the arc radius of slotted hole is greater than the arc radius of slide block set both sides, and there is the eccentric throw of skew in the circular arc center of circle of slotted hole with respect to the central authorities of balance slide block, and said eccentric throw is greater than the eccentric throw of excentric sleeve.Certainly, the swing hole also can be square hole or other shapes, as long as said slide block interplanting planar circumferential swing can be provided, and absorb to swing and gets final product.
Technical conceive of the present invention is: adopt a kind of balance slide block device; On the bent axle that drives slider-crank mechanism; Add a reciprocating mechanism that quality is suitable, the direction of motion is opposite; Balance master slider and move back and forth the shock and vibration that bring at a high speed, stamping machine can normally operation below more speed like this.The advantage of balance slide block device is, equilibrium principle is directly perceived, and counterbalance effect is remarkable, and is simple in structure, cheap, easy to maintenance, and promotional value is high.
Beneficial effect of the present invention mainly shows: 1, improved stamping machine in traveling comfort down at a high speed: owing to the balance slide block device to the effect of liquidating that slider-crank mechanism played; Stamping machine is in sizable stamping-out velocity interval; The reciprocating motion of master slider can not cause the vibration and the impact of main frame, thereby has guaranteed stamping machine traveling comfort under at a high speed; 2, improved the stamping machine punching precision: the master slider after the dynamic load balance when moving back and forth at a high speed, its vibration and impact minimumly, the linearity that is contained in its motion of mould on the master slider is high, punching precision must improve; 3, avoided because the punch die heel and toe wear that the vibration of stamping machine causes: the vibration of stamping machine can cause the punch die heel and toe wear, has eliminated the vibration of stamping machine, just eliminates to find pleasure in to cause punch die heel and toe wear inducement, has also just avoided the heel and toe wear of punch die; 4, the braking of having avoided the multiplication of slide block momentum to cause is difficult: because balance slide block has been offset the momentum multiplication that master slider causes because of the speed increase, the stamping machine braking is little with the stamping-out length velocity relation, has guaranteed the accurate of master slider stop position.
Description of drawings
Fig. 1 is the structure chart that is used for the balance slide block device of slider-crank mechanism of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
With reference to Fig. 1; A kind of balance slide block device that is used for slider-crank mechanism; Said balance slide block device comprises the excentric sleeve 10 that is fixedly connected with the bent axle of slider-crank mechanism; The eccentric direction and the bent axle of said excentric sleeve 10 are opposite, and the eccentric throw of excentric sleeve 10 equates with the eccentric throw of said bent axle; Said excentric sleeve 10 is fixedly connected with rolling bearing 6 inner rings, and said rolling bearing 6 outer rings are fixedly connected with slide block set 5, seat 9 in two groups of needle rollers of the symmetric arrangement up and down of said slide block set 5; The central authorities of balance slide block 4 have and supply said slide block set 5 to do the swing hole of planar circumferential swing; Said slide block set 5 passes said swing hole; The outer seat 7 of two groups of needle rollers of the symmetric arrangement up and down in said swing hole, seat 9 is installed on the straight line needle bearing 8 with the outer seat 7 of needle roller in the needle roller; The quality of said balance slide block 4 be slider-crank mechanism the slide block quality 50～100%; The left and right sides of said balance slide block 4 can be installed on the frame up and down slippingly.
Rolling linear slide 3 is all installed in the left and right sides of said balance slide block 4, and said rolling linear slide 3 is sleeved on the rolling linear slide rail 2, and said rolling linear slide rail 2 is up and down to be arranged and be installed on the frame 1.
Two installation guide pillar seats 12 about said balance slide block, said guide pillar seat 12 is fixedly connected with rolling linear slide 3, and said guide pillar seat 12 connects in order to regulate the adjusting nut 11 that the guide pillar seat is put.
Said swing hole is the slotted hole of double headed roller circular arc, and the arc radius of slotted hole is greater than the arc radius of slide block set both sides, and there is the eccentric throw of skew in the circular arc center of circle of slotted hole with respect to the central authorities of balance slide block, and said eccentric throw is greater than the eccentric throw of excentric sleeve.Certainly, the swing hole also can be square hole or other shapes, as long as said slide block interplanting planar circumferential swing can be provided, and absorb to swing and gets final product.
According to the principle of total kinetic energy balance, 50～100% the purpose that the quality of balance slide block is equivalent to the slide block quality of slider-crank mechanism is that still some offers press work to the slide block kinetic energy on the slider-crank mechanism.Press work is only the main aspect of the slide block of slider-crank mechanism after all; When dry run, can not obtain balance completely, the common speed scope of press is depended in 50～100% selection, and operating rate is high more; Value is big more; Operating rate is low more, and value is more little, and insufficient section is provided by flywheel.Like this, it is smaller that flywheel just can be done, and saves and use material, and in general, the forcing press of low working speed adopts the total kinetic energy balance principle, and Japanese forcing press adopts more;
Principle according to the aggregated momentum balance; The quality of balance slide block equates that with gross mass on the slider-crank mechanism do not consider that the slide block kinetic energy on the slider-crank mechanism is used for punching press, the energy of press work is provided by flywheel fully; It is bigger that the requirement flywheel is done; Good balance effect during dry run, the forcing press of higher working speed adopts the momentum balance principle, and the forcing press of American-European system adopts more.
The course of work of present embodiment is: slider-crank mechanism is done pump (not drawing among the figure) under the drive of bent axle; The excentric sleeve 10 that is connected with bent axle; Eccentric direction and bent axle opposite, the eccentric throw equal and opposite in direction, rolling bearing 6 inner rings are fixed on excentric sleeve 10; The outer ring is fixed on slide block set 5, and the rotating band movable slider cover 5 of bent axle is done the planar circumferential swing;
Two of symmetric arrangement groups of interior seats 9 of needle roller are connected with slide block set 5 up and down; Seat 9 is formed a horizontal translation kinematic pair with the outer seat 7 of straight line needle bearing 8 and needle roller in the needle roller; The slide block set 5 of doing the planar circumferential swing drives 4 swings of making vertical direction of balance slide block, and the quality of balance slide block is equivalent to 50～100% of crank block;
Four guide pillar seats 12 that are distributed in balance slide block 4 both sides are connected in respectively on the rolling linear slide 3, are connected on the frame 1, and two rolling linear slide rails 2 and four rolling linear slide 3 of being symmetrically distributed in balance slide block 4 both sides are formed a vertical translational motion pair;
Regulate the adjusting nut 11 on the guide pillar seat 12 respectively; Make balance slide block 4 and excentric sleeve 10 in vertical direction is returned; Because the position limit of guide pillar seat 12 and adjusting nut 11; The swing of the planar circumferential of balance slide block 4 has just become and crank block opposite the pumping that pump, and the horizontal translation kinematic pair that the translation on the horizontal direction in the swing of the planar circumferential of balance slide block 4 is formed by the outer seat 7 of seat 9 in the needle roller and straight line needle bearing 8 and needle roller consumes.
The balance slide block device works asynchronously under the drive of bent axle with slider-crank mechanism; Because the quality and the crank block of balance slide block 4 are suitable; The direction of motion is opposite, and the momentum of slider-crank mechanism is balanced slide block device and offsets to some extent, only depends on rolling bearing 6, straight line needle bearing 8 and rolling linear slide 3 threes' minimum speed limit on the rotating speed theory of control of the slider-crank mechanism after being balanced; In general; The speed limit of rolling movement pair is all more than thousands of rev/mins, and far above the maximum speed of stamping machine, so the balance slide block device can be used in any press that has slider-crank mechanism that runs up.
Claims (2)
1. balance slide block device that is used for slider-crank mechanism; It is characterized in that: said balance slide block device comprises the excentric sleeve that is fixedly connected with the bent axle of slider-crank mechanism; The eccentric direction and the bent axle of said excentric sleeve are opposite, and the eccentric throw of excentric sleeve equates with the eccentric throw of said bent axle;
Said excentric sleeve is fixedly connected with rolling bearing inner ring, and said housing washer is fixedly connected with slide block set, seat in two groups of needle rollers of the symmetric arrangement up and down of said slide block set;
The central authorities of balance slide block have the swing hole that supplies said slide block interplanting planar circumferential swing, and said slide block set passes said swing hole, the outer seat of two groups of needle rollers of the symmetric arrangement up and down in said swing hole, and the outer seat of seat and needle roller is installed on the straight line needle bearing in the needle roller;
The quality of said balance slide block be slider-crank mechanism the slide block quality 50～100%;
The left and right sides of said balance slide block can be installed on the frame up and down slippingly;
Said swing hole is the slotted hole of double headed roller circular arc, and the arc radius of slotted hole is greater than the arc radius of slide block set both sides, and there is the eccentric throw of skew in the circular arc center of circle of slotted hole with respect to the central authorities of balance slide block, and said eccentric throw is greater than the eccentric throw of excentric sleeve;
The guide pillar seat is installed in the left and right sides of said balance slide block, and said guide pillar seat is fixedly connected with the rolling linear slide, and said guide pillar seat connects in order to regulate the adjusting nut that the guide pillar seat is put.
2. the balance slide block device that is used for slider-crank mechanism as claimed in claim 1; It is characterized in that: the rolling linear slide is all installed in the left and right sides of said balance slide block; Said rolling linear slide is sleeved on the rolling linear slide rail, and said rolling linear slide rail is up and down to be arranged and be installed on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100997137A CN101590508B (en) | 2009-06-17 | 2009-06-17 | Balance slide block device used for crank slide block mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100997137A CN101590508B (en) | 2009-06-17 | 2009-06-17 | Balance slide block device used for crank slide block mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101590508A CN101590508A (en) | 2009-12-02 |
| CN101590508B true CN101590508B (en) | 2012-07-04 |
Family
ID=41405500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100997137A Expired - Fee Related CN101590508B (en) | 2009-06-17 | 2009-06-17 | Balance slide block device used for crank slide block mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101590508B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144879A (en) * | 1995-06-13 | 1997-03-12 | 黎正中 | Crank and double-round slide reciprocating piston internal combustion engine |
| US5927242A (en) * | 1997-03-25 | 1999-07-27 | Brunswick Corporation | Marine engine with reciprocating force balancer |
| CN101387330A (en) * | 2008-10-24 | 2009-03-18 | 常柴股份有限公司 | All balance method for single cylinder diesel and mechanism thereof |
| CN201455139U (en) * | 2009-06-17 | 2010-05-12 | 袁永林 | Balancing slider device for slider-crank mechanism |
-
2009
- 2009-06-17 CN CN2009100997137A patent/CN101590508B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144879A (en) * | 1995-06-13 | 1997-03-12 | 黎正中 | Crank and double-round slide reciprocating piston internal combustion engine |
| US5927242A (en) * | 1997-03-25 | 1999-07-27 | Brunswick Corporation | Marine engine with reciprocating force balancer |
| CN101387330A (en) * | 2008-10-24 | 2009-03-18 | 常柴股份有限公司 | All balance method for single cylinder diesel and mechanism thereof |
| CN201455139U (en) * | 2009-06-17 | 2010-05-12 | 袁永林 | Balancing slider device for slider-crank mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101590508A (en) | 2009-12-02 |
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Granted publication date: 20120704 Termination date: 20130617 |