CN107052209B - Open type crank press balancing device - Google Patents
Open type crank press balancing device Download PDFInfo
- Publication number
- CN107052209B CN107052209B CN201611157135.4A CN201611157135A CN107052209B CN 107052209 B CN107052209 B CN 107052209B CN 201611157135 A CN201611157135 A CN 201611157135A CN 107052209 B CN107052209 B CN 107052209B
- Authority
- CN
- China
- Prior art keywords
- curved bar
- pair
- transition segment
- sliding block
- extension bar
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0064—Counterbalancing means for movable press elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
Abstract
The invention discloses a kind of open type crank press balancing devices, it is symmetricly set on sliding block both sides including two groups and balance cylinder arranged in a straight line from top to bottom, transition segment and curved bar, each balance cylinder lower end is vertically fixed on by two support bases on the fuselage top of open type crank press, balance cylinder piston rod head is fixedly connected across fuselage roof with transition segment upper end, transition segment lower end is hinged by upper swivel pin with curved bar upper end, curved bar top is sleeved on corresponding crankshaft journal, and curved bar lower end side plate corresponding with upper end of slide block is fixedly connected.The present invention solves the problems, such as the open type crank press balancing device installation of lateral arrangement bent axle and repair, can prevent the shock generated when slide block down and noise.The gap between connecting rod and sliding block is eliminated, the impact and abrasion of stress part are reduced.The power consumption of height of packing compact adjustment mechanism is reduced, while being also prevented from when fractureing because of brake failure or connecting rod, sliding block falls and causes an accident.
Description
Technical field
The present invention relates to a kind of crank press more particularly to a kind of setting with sliding block both sides, for putting down in the middle part of bent axle
The balancing device impacted when weighing apparatus sliding block work, belongs to metal forming machinery technical field.
Background technology
It is pumped by bent axle, connecting rod band movable slider when crank press works, completes the pressure to workpiece
Processing needs setting balancing device to come balance slide block and upper mold weight, avoids the course of work since sliding block and upper mold quality are larger
In additional impact.The bent axle of straight-side crank press is generally longitudinally arranged using in the front-back direction, the Balance Air of balancing device
Cylinder can be arranged not will produce interference at the left and right sides of sliding block, crank rotation.But the bent axle of open type crank press uses
The lateral arrangement of left and right directions, so that the balance cylinder of balancing device can not use the installation side of straight-side crank press
Formula can only install spring equalizing device, and counterbalance effect is nothing like balance cylinder, seriously affect the pressure of open type crank press
Power processing quality and die life.
Invention content
The object of the present invention is to provide a kind of open type crank pressures that is compact-sized, improving open type crank press counterbalance effect
Power machine balancing device.
The present invention is achieved by the following technical programs：
A kind of open type crank press balancing device, including two groups be symmetricly set on sliding block both sides and from top to bottom straight line
Balance cylinder, transition segment and the curved bar of arrangement, each balance cylinder lower end are vertically fixed on open type crank by two support bases
On the fuselage top of forcing press, balance cylinder piston rod head is fixedly connected across fuselage roof with transition segment upper end, transition segment
Lower end is hinged by upper swivel pin with curved bar upper end, and curved bar top is sleeved on corresponding crankshaft journal, on curved bar lower end and sliding block
Corresponding side plate is held to be fixedly connected.
The purpose of the present invention can also be further realized by following technical measures.
Further, the transition segment includes the threaded hole of upper end and the notch of lower end, balance cylinder piston rod head with
The threaded hole is fixedly connected, and passes through nut and tight；Curved bar upper end is embedded in the notch, passes through upper swivel pin and transition segment
Lower end is hinged.
Further, the curved bar top is in kidney ellipsoid, and straight line shank is extended in curved bar lower part；Curved bar includes the first docking
Bar and second pair of extension bar, first pair of extension bar portion of presenting are the spoon shape that half kidney ellipsoid lower part is straight line shank, second pair of extension bar
In half kidney ellipsoid, the both ends of first pair of half kidney ellipsoid of extension bar top and the both ends of second pair of half kidney ellipsoid of extension bar are chimeric at complete each other
The upper end of whole kidney ellipsoid, first pair of extension bar and second pair of extension bar is embedded in the notch, by under upper swivel pin and transition segment
End is hinged；The kidney ellipsoid lower end that first pair of extension bar and second pair of extension bar piece together is fixedly connected by middle connecting pin, straight line shank
Lower end is fixedly connected by lower connecting pin with sliding block top.
Further, the kidney ellipsoid endoporus on the curved bar top contains the axle journal of bent axle one end, and sliding block is in upper dead center position
When, the distance of kidney ellipsoid endoporus peak of the axle journal upside away from curved bar is more than 25mm~30mm；Sliding block is in lower dead point position, axis
The distance of the kidney ellipsoid endoporus minimum point away from curved bar is more than 25mm~30mm on the downside of neck.
Further, the shank hole center of the center line and sliding block of balance cylinder piston rod-curved bar of the sliding block both sides
The blanking centerline hole of line and working plate is in same vertical plane.
Further, the air pressure of the rod chamber of balance cylinder is 0.5MPa~0.6MPa, and the rodless cavity of balance cylinder is logical big
Gas.
The present invention is used has been symmetrical arranged balance cylinder arranged in a straight line from top to bottom, transition segment and curved bar in sliding block both sides
Structure, and balance cylinder is vertically fixed on the fuselage top of open type crank press.Curved bar spells extension bar using two
The structure connect is easily installed and repairs, and curved bar lower end is fixedly connected with upper end of slide block, to solve left and right directions lateral arrangement
The open type crank press balancing device of bent axle is installed and the problem of repair.When can prevent slide block down, because of its dead weight and mold
Weight lead to the shock and noise that the reversed stress of transmission gear generates.The gap between connecting rod and sliding block is eliminated, stress is reduced
The impact and abrasion of part.The power consumption of height of packing compact adjustment mechanism can be also reduced, while being also prevented from because brake loses
When spirit or connecting rod fracture, sliding block falls and causes an accident.
The advantages and features of the present invention will be illustrated and explained by the non-limitative illustration of preferred embodiment below,
These embodiments only provide as an example with reference to attached drawing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the A-A enlarged cross-sectional views of Fig. 1；
Fig. 3 is the B-B enlarged cross-sectional views of Fig. 1；
Fig. 4 is the C-C enlarged cross-sectional views of Fig. 1；
Fig. 5 is equipped with the open type crank press structural schematic diagram of the present invention；
Fig. 6 is the D-D sectional views of Fig. 5.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Fig. 1~Fig. 6, the present embodiment is symmetricly set on 10 both sides of sliding block including two groups and straight line is arranged from top to bottom
Balance cylinder 1, transition segment 2 and the curved bar 3 of row, 1 lower end of each balance cylinder are supported on former and later two support bases 4, two branch
Support seat 4 is vertically fixed on 20 top of fuselage of open type crank press.11 head of balance cylinder piston rod passes through fuselage roof
201 are fixedly connected with 2 upper end of transition segment, and 2 lower end of transition segment is hinged by upper swivel pin 5 with 3 upper end of curved bar.Transition segment 2 includes
The threaded hole 21 of upper end and the notch 22 of lower end, 11 head of balance cylinder piston rod pass through fuselage roof 201 solid with threaded hole 21
Fixed connection, and by nut 23 and tightly.
3 top of curved bar of the present embodiment is in kidney ellipsoid, and straight line shank 311, including first pair of 31 He of extension bar are extended in lower part
Second pair of extension bar 32, first pair of extension bar 31 is in the spoon shape that top is that half kidney ellipsoid lower part is straight line shank 34, second pair of extension bar 32
In half kidney ellipsoid, the both ends and the both ends of second pair of 32 half kidney ellipsoid of extension bar of first pair of 31 top of extension bar, half kidney ellipsoid are chimeric each other
At complete kidney ellipsoid.As shown in Figures 2 and 3, in the present embodiment, the both ends of first pair of 31 top of extension bar, half kidney ellipsoid are
Straight line shank 311, second pair of 32 both ends of extension bar is tablet 321, and when two and half kidney ellipsoids dock, tablet 321 injects straight line handle
In portion 311.In the notch 22 of the upper end insertion transition segment 2 of first pair of extension bar 31 and second pair of extension bar 32 after docking, by upper
Swivel pin 5 is hinged with 2 lower end of transition segment.The kidney ellipsoid lower end that first pair of extension bar 31 and second pair of extension bar 32 piece together passes through middle company
Outbound 6 is fixedly connected.As shown in figure 4,34 lower end of straight line shank is vertical solid by the first holding screw 8 with lower 7 one end of connecting pin
Fixed connection, lower 7 other end of connecting pin is fixedly connected with the otic placode 101 of 10 top side of sliding block by the second holding screw 9, and is led to
It crosses lock nut 91 and locks the second holding screw 9.First holding screw 8 and the second holding screw 9 can prevent the axis of lower connecting pin 7
To movement, 3 top of curved bar is alternatively rectangle or other shapes.
As shown in Figure 5 and Figure 6, the center line E-E of 11-curved bar of balance cylinder piston rod 3 of 10 both sides of sliding block and sliding block 10
102 center line of shank hole and working plate 40 401 center line of material-dropping hole in same vertical plane, it is flat in 10 downlink of sliding block
Weighing apparatus cylinder 1 improves the mobile accuracy of sliding block 10 when buffering, improve the stamping quality of product, extend the service life of mold.
3 top of curved bar is sleeved on corresponding crankshaft journal 301.When open type crank press machine operation, with turning for bent axle 30
Dynamic, sliding block 10 also moves up and down therewith, and the curved bar 3 of its both sides is driven to move up and down.When sliding block 10 is in upper dead center position, axle journal
The distance F of 301 kidney ellipsoid endoporus 33 peaks of the upside away from curved bar 3 is more than 25mm~30mm；When sliding block 10 is in lower dead point position
When, the distance G of 301 kidney ellipsoid endoporus 33 minimum point of the downside away from curved bar 3 of axle journal is more than 25mm~30mm, and curved bar 3 always will not
It is interfered with axle journal 301.
When 10 downlink of sliding block, 3 upper end of curved bar of both sides pulls piston rod 11 to move down by transition segment 2 so that flat
The air pressure of weighing apparatus 1 rod chamber of cylinder is to be increased to 0.5MPa~0.6MPa, moves down cushioning effect to sliding block 10 and mold, can prevent
Decline rapidly because sliding block 10 is conducted oneself with dignity, make the reversed stress of the gear in transmission system and cause to hit and generate noise, reduce by
The impact and abrasion of power part, reduce the power consumption of height of packing compact adjustment mechanism, and the rodless cavity of balance cylinder 1 leads to air.
In addition to the implementation, the present invention can also have other embodiment, all to use equivalent substitution or equivalent transformation shape
At technical solution, be all fallen within the protection domain of application claims.
Claims (2)
1. a kind of open type crank press balancing device, including two groups of balance cylinders for being symmetricly set on sliding block both sides, feature
It is：Further include transition segment and curved bar, balance cylinder, transition segment and curved bar are arranged in a straight line from top to bottom, under each balance cylinder
End is vertically fixed on by two support bases on the fuselage top of open type crank press, and balance cylinder piston rod head passes through machine
Body top plate is fixedly connected with transition segment upper end, and transition segment lower end is hinged by upper swivel pin with curved bar upper end, and curved bar top is sleeved on
On corresponding crankshaft journal, curved bar lower end is fixedly connected with upper end of slide block；The transition segment includes threaded hole and the lower end of upper end
Notch, balance cylinder piston rod head is fixedly connected with the threaded hole, and passes through nut and tight；Described in the insertion of curved bar upper end
It is hinged by upper swivel pin and transition segment lower end in notch；The curved bar top is in kidney ellipsoid, and straight line handle is extended in curved bar lower part
Portion；Curved bar includes first pair of extension bar and second pair of extension bar, and it is straight line handle that first pair of extension bar portion of presenting, which is half kidney ellipsoid lower part,
The spoon shape in portion, second pair of extension bar are in half kidney ellipsoid, the both ends of first pair of half kidney ellipsoid of extension bar top and second pair of half oval of extension bar
The both ends of shape are fitted into complete kidney ellipsoid each other, in the upper end insertion notch of first pair of extension bar and second pair of extension bar, by upper
Swivel pin is hinged with transition segment lower end；The kidney ellipsoid lower end that first pair of extension bar and second pair of extension bar piece together is solid by middle connecting pin
Fixed connection, straight line shank lower end is fixedly connected by lower connecting pin with the otic placode of sliding block top side.
2. open type crank press balancing device as described in claim 1, it is characterised in that：The kidney ellipsoid on the curved bar top
Endoporus contains the axle journal of bent axle one end, and sliding block is in upper dead center position, the kidney ellipsoid endoporus peak away from curved bar on the upside of axle journal
Distance is more than 25mm~30mm；Sliding block is in lower dead point position, the distance of the kidney ellipsoid endoporus minimum point away from curved bar on the downside of axle journal
More than 25mm~30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611157135.4A CN107052209B (en) | 2017-04-21 | 2017-04-21 | Open type crank press balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611157135.4A CN107052209B (en) | 2017-04-21 | 2017-04-21 | Open type crank press balancing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052209A CN107052209A (en) | 2017-08-18 |
| CN107052209B true CN107052209B (en) | 2018-10-30 |
Family
ID=59619033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611157135.4A Active CN107052209B (en) | 2017-04-21 | 2017-04-21 | Open type crank press balancing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052209B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116901512B (en) * | 2023-09-11 | 2023-12-15 | 江苏辰亿汽车零部件制造有限公司 | Open crank press |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU538541A1 (en) * | 1974-10-03 | 1983-08-23 | Kozhevnikov V A | Press with hydromechanical drive |
| DD142991A3 (en) * | 1978-11-22 | 1980-07-30 | Andreas Hoefer | HYDRAULIC PRESS |
| CN201566156U (en) * | 2009-12-25 | 2010-09-01 | 江苏扬力集团有限公司 | Connector of press balancer and sliding block |
| CN202986166U (en) * | 2012-12-07 | 2013-06-12 | 江苏扬力集团有限公司 | Device for preventing sliding block of large-stroke punching machine from quickly falling |
| CN204470503U (en) * | 2014-09-17 | 2015-07-15 | 湖南三星锻压机床有限公司 | Bascule and there is the forging press of this bascule |
| CN104669657B (en) * | 2015-02-03 | 2017-06-23 | 宁波郎泰机械有限公司 | A kind of forcing press |
| CN206567473U (en) * | 2017-07-07 | 2017-10-20 | 江苏沃得机电集团有限公司 | Open type crank press bascule |
-
2017
- 2017-04-21 CN CN201611157135.4A patent/CN107052209B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107052209A (en) | 2017-08-18 |
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