CN211994358U - Dynamic balance mechanism of press - Google Patents
Dynamic balance mechanism of press Download PDFInfo
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- CN211994358U CN211994358U CN201922481468.8U CN201922481468U CN211994358U CN 211994358 U CN211994358 U CN 211994358U CN 201922481468 U CN201922481468 U CN 201922481468U CN 211994358 U CN211994358 U CN 211994358U
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Abstract
A dynamic balance mechanism of a press machine is characterized in that one end of a first transmission shaft of the dynamic balance mechanism is connected with a driving gear, one end of a second transmission shaft is connected with a driven gear, the driving gear is meshed with the driven gear, the first transmission shaft and the second transmission shaft are symmetrically arranged according to the horizontal center of a press slide block of the press machine, force application bearings are symmetrically arranged on two sides of the first transmission shaft and the second transmission shaft respectively by taking the vertical center of the slide block as the center, the force application bearings are eccentrically arranged, support bearings are symmetrically arranged on two sides of each force application bearing and support the first transmission shaft and the second transmission shaft, a balance block group comprises a first balance block, a second balance block and a third balance block, the first balance block is respectively arranged on the first transmission shaft and the second transmission shaft by taking the vertical center of the slide block as the center, the second balance block is respectively arranged on the other sides of the first transmission shaft and the second transmission shaft by taking, and the first, second and third balance blocks are opposite to the eccentric direction of the force application bearing.
Description
Technical Field
The utility model relates to a part of press, in particular to eliminate dynamic balance mechanism of press inertial force.
Background
Along with the continuous improvement of manufacturing enterprise to the requirement of press speed, high rush speed press has obtained extensive application, but the press inevitably produces inertial force when high-speed operation, and speed is higher, and inertial force is bigger, if can not be fine balanced inertial force, then can make press slider bottom dead center dynamic property very poor, light then influences the precision of press and the life-span of mould, heavy then can probably make press and mould damage, unable the use. It is necessary to balance the inertial force of the high-speed press. In the existing press machine, a dynamic balance mechanism is adopted, the most ideal mechanism is a reverse sliding block mechanism, the inertia force generated in the operation process of the press machine can be basically balanced, but the application range of the press machine is limited to a certain extent due to the complex structure, the large processing difficulty and the troublesome assembly.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the above-mentioned defects of the prior art and provide a dynamic balance mechanism of a press machine, so that the structure is simple.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the dynamic balance mechanism of the press comprises: first transmission shaft, second transmission shaft, balancing block group, application of force bearing and support bearing, the driving gear is connected to first transmission shaft one end, driven gear is connected to second transmission shaft one end, driving gear and driven gear meshing, first transmission shaft, second transmission shaft set up for central symmetry according to press slider horizontal center to the slider vertical center is at first transmission shaft, the symmetrical application of force bearing respectively in second transmission shaft both sides with the center, application of force bearing eccentric settings, the bilateral symmetry installation support bearing of every application of force bearing, support bearing support first transmission shaft, second transmission shaft, balancing block group includes first balancing piece, second balancing piece, third balancing piece, and first balancing piece uses slider vertical center to install respectively as two sides of center on first transmission shaft, second transmission shaft, and the second balancing piece is installed respectively at first transmission shaft, The third balancing blocks are respectively arranged on two sides of the driving gear and the driven gear which take the thickness of the gear as the symmetry center, and the first balancing block, the second balancing block and the third balancing block are opposite to the eccentric direction of the force application bearing.
Preferably, the first balance weight, the second balance weight and the third balance weight are fan-shaped, so that the mass center of the balance weight can be moved outwards, and the balance inertia force is increased.
Compared with the prior art, the utility model has the advantages of: four force application bearings on the dynamic balance mechanism can form four force application points, so that the four force application points can drive a sliding block of the press machine better and more stably, and meanwhile, the inertia force of the press machine during operation can be eliminated better. The dynamic balance mechanism has simple structure, easy processing and assembly and good dynamic balance effect, and meets the use requirements.
Drawings
Fig. 1 is a schematic structural view of a dynamic balance mechanism of a press according to an embodiment of the present invention.
Fig. 2 is a view in the direction of a-a in fig. 1.
Fig. 3 is a schematic structural diagram of a press machine with a dynamic balance mechanism according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
For convenience of description, according to the direction of the attached drawings, the center line a-a and the center line B-B in the drawings are determined as the front-back center line and the left-right center line of the press, but the determination of the center line a-a and the center line B-B does not limit the protection content and scope of the present invention.
As shown in fig. 1-3, a press machine comprises a base 6, a slide block 7, a column 8, an upper cross beam 10 and a dynamic balance mechanism.
Four upright columns 8 are respectively arranged at four corners of the base 6, and an upper cross beam 10 is supported by the upright columns 8 to form a frame of the press machine.
The first and second transmission shafts 2 and 2 'are rollingly supported by an upper cross member 10, in this embodiment by support bearings 5 mounted on the first and second transmission shafts 2 and 2'.
The slide block 7 is connected with the first transmission shaft 2 and the second transmission shaft 2' through a connecting rod 71. In this embodiment, the first transmission shaft 2 and the second transmission shaft 2' are respectively provided with an eccentric column 41, a force application bearing 4 is arranged outside the eccentric column 41, the upper end of the connecting rod 71 is arranged outside the force application bearing 4, and the lower end is connected with the sliding block 7. The lower end of the connecting rod 71 in this embodiment is connected to the slider 7 by a pin 72 mounted on the slider 7.
Fig. 3 shows the position of the slider 7 at the bottom dead center.
As shown in fig. 1 and 2, the dynamic balancing mechanism includes: the device comprises a driving gear 1, a driven gear 1', a first transmission shaft 2, a second transmission shaft 2', a balance block group 3, a force application bearing 4 and a support bearing 5.
The first transmission shaft 2 and the second transmission shaft 2 'are arranged in parallel and are symmetrical relative to the central line A-A, one end of the first transmission shaft is provided with a driving gear 1 and a driven gear 1', the driving gear 1 and the driven gear 1 'are meshed for transmission, and the first transmission shaft 2 and the second transmission shaft 2' rotate simultaneously.
Two application of force bearings 4 are installed to relative B-B center line symmetry on the first transmission shaft 2, application of force bearing 4 eccentric settings, promptly with first transmission shaft 2 decentraction, support bearing 5 is installed to every application of force bearing 4 'bilateral symmetry, and is the same, two application of force bearings 4 are installed to second transmission shaft 2' relative B-B center line symmetry also, application of force bearing 4 eccentric settings, promptly with second transmission shaft 2 'decentraction, support bearing 5 is installed to every application of force bearing 4' bilateral symmetry, install on first transmission shaft 2 and the second transmission shaft 2 application of force bearing 4 and support bearing 5 also relative center line A-A axial symmetry.
The supporting bearing 5 is connected with an upper cross beam 10 shown by dotted lines in fig. 1 through a bearing gland 51, the first transmission shaft 2 and the second transmission shaft 2' are supported on the upper cross beam 10 in a rolling manner, the force application bearings 4 are respectively connected with a slide block of the press machine through connecting rods, so that a double-shaft four-point force application mechanism of the press machine is formed, the first transmission shaft 2 rotates, the second transmission shaft 2' is driven to rotate simultaneously through the driving gear 1 and the driven gear 1', and the press machine slide block is driven to move up and down to perform stamping action due to the eccentric arrangement of the force application bearings 4.
The balance block set 3 includes first balance weights 31 and 31', second balance weights 32 and 32', and third balance weights 33 and 33 'mounted on the first transmission shaft 2 and axisymmetrically mounted with respect to the center line a-a and on the second transmission shaft 2'.
The balance weights 33 and 33 'are respectively installed on the driving gear 1 and the driven gear 1', the first balance weights 31 and 31', the second balance weights 32 and 32', and the third balance weights 33 and 33 'are eccentrically arranged with respect to the first transmission shaft 2 and the second transmission shaft 2', and the eccentric direction is always opposite to the eccentric direction of the force application bearing 4.
Preferably, the first weight and the second weight are respectively positioned at two sides of the force application bearing 4 at the left side and the first weight and the third weight are respectively positioned at two sides of the force application bearing 4 at the right side by taking the B-B center line as a reference, so that the balance of the inertia force is more favorable.
Preferably, the third balance blocks 33 are two and symmetrically disposed on both sides of the driving gear 1 in the thickness direction, and the balance blocks 33 'are the same and symmetrically disposed on both sides of the driven gear 1' in the thickness direction.
Preferably, as shown in fig. 2, the first weights 31 and 31', the second weights 32 and 32', and the third weights 33 and 33' have fan shapes, which are opposite to the eccentricity of the force application bearing 4.
Because the double-shaft four-point force application mechanism is adopted, the inertia force of the press machine in the horizontal direction is basically balanced, and the balance block assembly is arranged, so that the inertia force in the vertical direction can be better balanced, and the press machine can stably move under the high-speed stamping times.
It should be noted that the directional characters such as front, back, left, right, etc. and the words containing the directional characters are used for convenience of description, and are not intended to limit the scope and content of the present invention.
Claims (2)
1. The dynamic balance mechanism of the press machine is characterized in that: the method comprises the following steps: first transmission shaft, second transmission shaft, balancing block group, application of force bearing and support bearing, the driving gear is connected to first transmission shaft one end, driven gear is connected to second transmission shaft one end, driving gear and driven gear meshing, first transmission shaft, second transmission shaft set up for central symmetry according to press slider horizontal center to the slider vertical center is at first transmission shaft, the symmetrical application of force bearing respectively in second transmission shaft both sides with the center, application of force bearing eccentric settings, the bilateral symmetry installation support bearing of every application of force bearing, support bearing support first transmission shaft, second transmission shaft, balancing block group includes first balancing piece, second balancing piece, third balancing piece, and first balancing piece uses slider vertical center to install respectively as two sides of center on first transmission shaft, second transmission shaft, and the second balancing piece is installed respectively at first transmission shaft, The third balancing blocks are respectively arranged on two sides of the driving gear and the driven gear which take the thickness of the gear as the symmetry center, and the first balancing block, the second balancing block and the third balancing block are opposite to the eccentric direction of the force application bearing.
2. The dynamic balance mechanism of a press machine according to claim 1, characterized in that: the first balance weight, the second balance weight and the third balance weight are fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481468.8U CN211994358U (en) | 2019-12-31 | 2019-12-31 | Dynamic balance mechanism of press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922481468.8U CN211994358U (en) | 2019-12-31 | 2019-12-31 | Dynamic balance mechanism of press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211994358U true CN211994358U (en) | 2020-11-24 |
Family
ID=73428739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922481468.8U Active CN211994358U (en) | 2019-12-31 | 2019-12-31 | Dynamic balance mechanism of press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211994358U (en) |
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2019
- 2019-12-31 CN CN201922481468.8U patent/CN211994358U/en active Active
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