CN211807990U - Quick return transmission mechanism of press machine - Google Patents
Quick return transmission mechanism of press machine Download PDFInfo
- Publication number
- CN211807990U CN211807990U CN201922241005.4U CN201922241005U CN211807990U CN 211807990 U CN211807990 U CN 211807990U CN 201922241005 U CN201922241005 U CN 201922241005U CN 211807990 U CN211807990 U CN 211807990U
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- press
- press machine
- hollow gear
- quick return
- gear
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Abstract
The utility model relates to a quick return transmission mechanism of press. The mechanism comprises a hollow gear (7) driven to rotate by a flywheel (11) of a press machine, wherein the hollow gear (7) drives a small swing rod (3) to rotate through a pin I (4), the small swing rod (3) drives a large swing rod (2) to rotate through a pin II (10), the large swing rod (2) transmits torque to a crankshaft (8) through a key (1), and the crankshaft (8) is connected with a slide block of the press machine and drives the slide block of the press machine to move up and down through the crankshaft (8). The utility model has the advantages that parts such as the amplifying swing rod and the small swing rod are stored in the space of the hollow gear, the waste of the space is reduced, and the designed machine tool has compact structure and low cost; the mechanism is novel in structure and used for improving the efficiency of the press machine, shortening the return time and reducing the idle work.
Description
Technical Field
The utility model relates to a quick return drive mechanism of press belongs to press technical field.
Background
In the prior art, the quick return is realized by reinforcing a fixed seat through a plurality of sets of connecting rods, a crank rocker mechanism is realized, the effect of quick return is achieved, the required space is too large, the cost is high, and therefore improvement is needed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, the utility model aims to provide a quick return drive mechanism of press that rational in infrastructure compactness, excellent in use effect.
Therefore, the utility model adopts the technical scheme that: the utility model provides a quick return drive mechanism of press, includes and drives pivoted hollow gear (7) by press flywheel (11), hollow gear (7) drive little pendulum rod (3) through round pin one (4) and rotate, little pendulum rod (3) drive big pendulum rod (2) through round pin two (10) and rotate, bent axle (8) are given through key (1) transmission moment of torsion in big pendulum rod (2), bent axle (8) and press slider link to each other and pass through bent axle (8) drive press slider up-and-down motion.
Furthermore, the small swing rod (3) and the large swing rod (2) are arranged in a space formed by the inner surface of the hollow gear (7), and one end of the crankshaft (8) extends into the hollow gear (7) and is driven by the large swing rod (2) through a key (1) to form operation.
Further, an eccentric seat (9) installed on the press body is arranged, and the eccentric seat (9) is arranged on the outer side of the crankshaft (8) to form a support for the operation of the crankshaft (8).
Further, an eccentric sleeve (6) installed on the press body is arranged, and the eccentric sleeve (6) is arranged on the inner side of the hollow gear (7) to form a support for the operation of the hollow gear (7).
Furthermore, a copper sleeve (5) is arranged between the eccentric sleeve (6) and the hollow gear (7).
Furthermore, the flywheel (11) of the press machine drives an intermediate gear (13) to operate through a gear shaft (12), and the intermediate gear (13) drives the hollow gear (7) to rotate.
The utility model has the advantages that: the utility model has the advantages that parts such as the amplifying swing rod and the small swing rod are stored in the space of the hollow gear, the waste of the space is reduced, and the designed machine tool has compact structure and low cost; the mechanism is novel in structure and used for improving the efficiency of the press machine, shortening the return time and reducing the idle work.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a view from D-D of fig. 1.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is an enlarged view of a portion B of fig. 2.
Wherein: 1. a key; 2. a large swing rod; 3. a small swing link; 4. a first pin; 5. a copper sleeve; 6. an eccentric sleeve; 7. a hollow gear; 8. a crankshaft; 9. an eccentric seat; 10. a second pin; 11. a flywheel of the press machine; 12. a gear shaft; 13. an intermediate gear.
Detailed Description
The utility model provides a quick return drive mechanism of press, includes and drives pivoted hollow gear 7 by press flywheel 11, hollow gear 7 drives little pendulum rod 3 through round pin one 4 and rotates, little pendulum rod 3 drives big pendulum rod 2 through round pin two 10 and rotates, big pendulum rod 2 passes through key 1 transmission moment of torsion and gives bent axle 8, bent axle 8 and press slider link to each other and pass through bent axle 8 drives press slider up-and-down motion.
Furthermore, the small swing rod 3 and the large swing rod 2 are arranged in a space formed by the inner surface of the hollow gear 7, and one end of the crankshaft 8 extends into the hollow gear 7 and is driven by the large swing rod 2 through a key 1 to rotate.
Further, an eccentric seat 9 installed on the body of the press is provided, and the eccentric seat 9 is arranged on the outer side of the crankshaft 8 to form a support for the operation of the crankshaft 8.
Further, an eccentric sleeve 6 arranged on the press body is arranged, and the eccentric sleeve 6 is arranged on the inner side of the hollow gear 7 to form a support for the operation of the hollow gear 7.
Further, a copper sleeve 5 is arranged between the eccentric sleeve 6 and the hollow gear 7.
Further, the flywheel 11 of the press machine drives an intermediate gear 13 to operate through a gear shaft 12, and the intermediate gear 13 drives the hollow gear 7 to rotate.
The following is a further explanation of the present invention to better understand the present invention: the utility model discloses press flywheel 11 rotates, transmits the moment of torsion to gear shaft 12, and gear shaft 12 drives intermediate gear 13, and intermediate gear 13 drives hollow gear 7 to rotate, and hollow gear 7 drives little pendulum rod 3 to rotate through round pin one 4; the small swing rod 3 pulls the large swing rod 2 to rotate through the pin II 10, the large swing rod 2 rotates, torque is transmitted to the crankshaft 8 through the key 1 to drive a slide block of a press machine to move up and down, the fixed eccentricity of the eccentric sleeve 6, the copper sleeve 5 and the eccentric seat 9 which are installed on the machine body is utilized to realize a double-crank rocker mechanism, the return speed in the stamping process is far greater than the stamping speed, the effect of quick return is realized, and the waste of idle work is reduced.
Claims (6)
1. The utility model provides a quick return journey drive mechanism of press, its characterized in that includes and drives pivoted hollow gear (7) by press flywheel (11), hollow gear (7) drive little pendulum rod (3) through round pin one (4) and rotate, little pendulum rod (3) drive big pendulum rod (2) through round pin two (10) and rotate, bent axle (8) are given through key (1) transmission moment of torsion to big pendulum rod (2), bent axle (8) and press slider link to each other and pass through bent axle (8) drive press slider up-and-down motion.
2. The quick return transmission mechanism of the press machine according to claim 1, wherein the small swing link (3) and the large swing link (2) are arranged in a space formed by the inner surface of the hollow gear (7), and one end of the crankshaft (8) extends into the hollow gear (7) and is driven by the large swing link (2) through the key (1) to form operation.
3. The quick return transmission mechanism of a press machine according to claim 1, characterized in that an eccentric seat (9) is provided, which is mounted on the press machine body, and the eccentric seat (9) is arranged outside the crankshaft (8) to form a support for the crankshaft (8) to run.
4. The quick return transmission mechanism of a press machine according to claim 1, characterized in that an eccentric sleeve (6) is provided, which is mounted on the press machine body, and the eccentric sleeve (6) is arranged inside the hollow gear (7) to form a support for the hollow gear (7) to run.
5. A quick return transmission of a press according to claim 4, characterised in that a copper bush (5) is arranged between the eccentric sleeve (6) and the hollow gear wheel (7).
6. The quick return transmission mechanism of a press machine according to claim 1, characterized in that the press machine flywheel (11) drives the intermediate gear (13) to operate through the gear shaft (12), and the intermediate gear (13) drives the hollow gear (7) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922241005.4U CN211807990U (en) | 2019-12-14 | 2019-12-14 | Quick return transmission mechanism of press machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922241005.4U CN211807990U (en) | 2019-12-14 | 2019-12-14 | Quick return transmission mechanism of press machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211807990U true CN211807990U (en) | 2020-10-30 |
Family
ID=73139656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922241005.4U Active CN211807990U (en) | 2019-12-14 | 2019-12-14 | Quick return transmission mechanism of press machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211807990U (en) |
-
2019
- 2019-12-14 CN CN201922241005.4U patent/CN211807990U/en active Active
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