CN219096039U

CN219096039U - Three encoder mounting structure of press crankshaft end

Info

Publication number: CN219096039U
Application number: CN202223595767.2U
Authority: CN
Inventors: 佘宽; 陈云; 徐敏; 徐惠; 刘志; 胡志梅
Original assignee: Jiangsu Yangli Heavy Machine Tool Co ltd
Current assignee: Jiangsu Yangli Heavy Machine Tool Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-30
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to a three-encoder mounting structure for a crankshaft end of a press, which belongs to the technical field of presses and comprises a press crankshaft, wherein a crankshaft end cover is fixedly arranged at the end part of the crankshaft, the center of the outer end of the crankshaft end cover is integrally connected with a synchronous shaft, the shaft end of the synchronous shaft is connected with a three-stage synchronous output gearbox through a first coupling, the gearbox comprises an input shaft and three output shafts, the shaft ends of the output shafts are respectively connected with an encoder, each output shaft synchronously rotates with the synchronous shaft of the crankshaft end cover, and the gearbox is mounted on the lateral direction of a machine body through a support. The three-encoder mounting structure solves the problem of synchronous mounting of multiple encoders on the same crankshaft, and ensures the safety and reliability of the mounting positions of the encoders.

Description

Three encoder mounting structure of press crankshaft end

Technical Field

The utility model relates to the technical field of presses, in particular to a three-encoder mounting structure of a crankshaft end of a press.

Background

Along with continuous popularization of automatic production of the press, an encoder is arranged on a machine tool to acquire synchronous operation signals of a crankshaft of the press, wherein the automatic feeding device, the robot, the servo hydraulic cushion system and the like are required. How to meet the requirement that more and more automatic production equipment needs to collect synchronous operation signals of a crankshaft of the press becomes a difficult problem.

The traditional press crankshaft synchronous model encoder has fewer installation positions and can not meet the requirement of automatic production. The encoder is added in a common press machine, and the encoder is synchronously installed by means of a chain, a synchronous belt and the like, so that the encoder cannot accurately detect a crankshaft synchronous signal due to the fact that a chain gap exists in the chain and the synchronous belt is easy to loose and skid. Meanwhile, the chain and the synchronous belt are exposed, and are easy to damage or influence the safety of operators in the running process of rotating along with the crankshaft.

Disclosure of Invention

Aiming at the problems of the connecting structure of the encoders on the crankshaft of the press in the prior art, the utility model provides a three-encoder mounting structure at the crankshaft end of the press, so as to solve the problem of synchronous mounting of multiple encoders and ensure the safety and reliability of the mounting positions of the encoders.

In order to achieve the aim of synchronously mounting a plurality of encoders, the utility model provides a three-encoder mounting structure for the crankshaft end of a press, which comprises a press crankshaft, wherein a crankshaft end cover is fixedly arranged at the end part of the crankshaft.

For being convenient for realize three encoder's synchronous installation, the gear box includes the box, be equipped with first bevel gear in the box, second bevel gear, third bevel gear and fourth bevel gear, first bevel gear and second bevel gear meshing transmission, second bevel gear and third bevel gear meshing transmission, third bevel gear and fourth bevel gear meshing transmission, the transmission ratio between each bevel gear is 1:1, first bevel gear and input shaft synchro-coupling, second bevel gear, third bevel gear and fourth bevel gear are connected with first output shaft, second output shaft and third output shaft synchro-coupling respectively, rotate through the bearing frame between input shaft, first output shaft, second output shaft and third output shaft and the box of gear box respectively.

In order to facilitate synchronous installation of the encoders, seat covers are respectively fixed on bearing seats corresponding to output ends of the first output shaft, the second output shaft and the third output shaft, the first output shaft, the second output shaft and the third output shaft respectively extend out of outer ends of the seat covers and are respectively connected with the encoders synchronously through second couplers, and encoder supports are respectively arranged at outer ends of the seat covers and used for supporting the encoders in a spreading mode.

In order to facilitate synchronous connection of each bevel gear and each input shaft or output shaft, the connecting ends of the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are respectively provided with hollow sleeves, and the connecting ends of the input shaft, the first output shaft, the second output shaft and the third output shaft are respectively matched and sleeved into corresponding hollow sleeves and are synchronously connected through flat keys.

In order to facilitate synchronous connection of the crankshaft end cover and the crankshaft, the crankshaft end cover is fixedly connected with the end part of the crankshaft through a plurality of screws.

In order to facilitate the fixed installation of the gear box and the machine body, the support extends out of the body sideways, a support is arranged at the extending end of the support, and the bottom of the gear box is fixedly installed with the support through a plurality of bolts.

According to the three-encoder mounting structure of the crankshaft end of the press machine, the crankshaft cover end is fixedly connected to the end part of the crankshaft, the synchronous shaft fixedly connected to the crankshaft cover rotates synchronously along with the crankshaft, the synchronous shaft extends out of the machine body and is in driving connection with the gear box, and three output shafts are synchronously driven in the gear box through the input shaft and are used for synchronously connecting the three encoders, so that the synchronism of the three encoders is realized; meanwhile, three encoders driven by gears with equal transmission ratios can meet the requirement of multi-position synchronous control detection of automatic production, and the synchronous transmission precision of the gears is high, the sealing performance in a gear box is good, and the safety and reliability are high.

Drawings

FIG. 1 is a schematic view of a three encoder mounting configuration at the crankshaft end of the press of the present utility model.

Fig. 2 is a schematic view showing the internal structure of the triple encoder mounting structure at the crankshaft end of the press of the present utility model.

Wherein, 1 crankshaft; 2, a machine body; 3, a crankshaft end cover; 301 synchronizing shaft; 302 screws; 4, a first coupling; 5 a gear box; 501 an input shaft; 502 bearing seats; 503 a first bevel gear; 504 a seat cover; 505 a first encoder; 506 a second coupling; 507 encoder support; 508 a first output shaft; 509 a second bevel gear; 510 a box body; 511 a second encoder; 512 a second output shaft; 513 third bevel gears; 514 a fourth bevel gear; 515 a third output shaft; 516 a third encoder.

Detailed Description

As shown in fig. 1 and 2, the three-encoder mounting structure for the crankshaft end of the press machine of the utility model comprises a crankshaft 1, wherein the crankshaft 1 is supported and mounted on a machine body 2 of the press machine, the end part of the crankshaft 1 is fixedly connected with a crankshaft end cover 3 through a plurality of screws 302, the center of the outer end of the crankshaft end cover 3 is integrally connected with a synchronous shaft 301, the synchronous shaft 301 rotates synchronously with the crankshaft 3, and the shaft end of the synchronous shaft 301 is connected with a gear box 5 with three-stage synchronous output through a first coupling 4. The gear box 5 comprises an input shaft 501 and three output shafts, the shaft ends of the output shafts are respectively connected with a first encoder 505, a second encoder 511 and a third encoder 516, the output shafts synchronously rotate with the synchronous shaft 301 of the crankshaft end cover 3, and the gear box 5 is supported and installed on the lateral direction of the machine body 2 through a bracket 6. In order to facilitate the fixed installation of the gear box 5 and the machine body 2, the bracket 6 extends out from the side support of the machine body 2, the extending end of the bracket 6 is provided with a support 7, and the bottom of the gear box 5 is fixedly installed with the support 7 through a plurality of bolts.

In order to facilitate synchronous installation of three encoders, in this embodiment, the specific structure of the gear box 5 is shown in fig. 2, and the gear box comprises a box body 510, wherein a first bevel gear 503, a second bevel gear 509, a third bevel gear 513 and a fourth bevel gear 514 are arranged in the box body 510, the first bevel gear 503 is meshed with the second bevel gear 509 and is axially vertical, the second bevel gear 509 is meshed with the third bevel gear 513 and is axially vertical, the third bevel gear 513 is meshed with the fourth bevel gear 514 and is axially vertical, and the transmission ratio between the bevel gears is 1:1 to ensure synchronous rotation of an input shaft and each output shaft; the first bevel gear 503 is synchronously connected with the input shaft 501, the second bevel gear 508, the third bevel gear 513 and the fourth bevel gear 514 are synchronously connected with the first output shaft 508, the second output shaft 512 and the third output shaft 515 respectively, the input shaft 501, the first output shaft 508, the second output shaft 512 and the third output shaft 515 are respectively rotatably supported by the bearing blocks 502 and are respectively provided with two groups of bearings which are rotatably connected with corresponding shafts, one end of each bearing block 502 is embedded in the box 510, the other end of each bearing block 502 extends out of the box, the extending outer end of each bearing block 502 is respectively fixed with a seat cover 504, the input shaft 501, the first output shaft 508, the second output shaft 512 and the third output shaft 515 extend out of the seat cover 504 respectively and are respectively synchronously connected with each encoder through the second coupling 506, and encoder brackets 507 are respectively arranged at the outer ends of the seat covers 504 and are used for supporting each encoder in a spreading manner.

In order to facilitate synchronous connection of each bevel gear with each input shaft 501 or output shaft, the connection ends of the first bevel gear 503, the second bevel gear 509, the third bevel gear 513 and the fourth bevel gear 514 are respectively provided with hollow sleeves, and the connection ends of the input shaft 501, the first output shaft 508, the second output shaft 512 and the third output shaft 515 are respectively matched and sleeved into corresponding hollow sleeves and are synchronously connected through flat keys.

In the three-encoder mounting structure at the crankshaft end of the press machine in this embodiment, the crankshaft 1 rotates, and the synchronous shaft 301 on the crankshaft end cover 3 drives the three output shafts of the gear box 5 to synchronously rotate, so that the three encoders are driven to synchronously rotate. In the automatic control of multiple systems of the press, the synchronous rotation signal of the crankshaft 1 can be output to the first controller through the first encoder 505, and the first controller controls the automatic equipment to perform automatic operation according to the rotation angle of the crankshaft 1; the second encoder 511 outputs a synchronous rotation signal of the crankshaft 1 to the second controller, which controls the second automation device to perform an automation operation according to the rotation angle of the crankshaft 1; the third encoder 516 outputs a synchronous rotation signal of the crankshaft 1 to the controller three, and the controller three controls the automation equipment three to perform automation operation according to the rotation angle of the crankshaft 1, so that the synchronism and consistency of the crankshaft signals of the collecting press of each automation equipment are realized, and the coordination consistency of the automation control process is ensured.

Claims

1. The utility model provides a three encoder mounting structure of press crankshaft end, includes the press bent axle, the tip fixed crankshaft end cover that is equipped with of bent axle, its characterized in that, the outer end center body coupling synchronizing shaft of crankshaft end cover, the axle head of synchronizing shaft has the tertiary synchronous output's of tertiary gear box through first coupling joint, the gear box includes an input shaft and three output shafts, the axle head of output shaft is connected with the encoder respectively, and each output shaft rotates in step with the synchronizing shaft of crankshaft end cover, the gear box passes through the support to be installed in fuselage side direction.

2. The triple encoder mounting structure of a crank shaft end of a press machine according to claim 1, wherein the gear box comprises a box body, a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear are arranged in the box body, and the first bevel gear and the second bevel gear are arranged in the box bodyEngaged transmissionThe second bevel gear and the third bevel gearThe bevel gears are meshed for transmission, the third bevel gear and the fourth bevel gear are meshed for transmission, the transmission ratio between the bevel gears is 1:1, the first bevel gear is synchronously connected with the input shaft, the second bevel gear, the third bevel gear and the fourth bevel gear are synchronously connected with the first output shaft, the second output shaft and the third output shaft respectively, and the input shaft, the first output shaft, the second output shaft and the third output shaft are rotatably supported with the box body of the gear box through bearing seats respectively.

3. The three-encoder mounting structure at the crankshaft end of the press machine according to claim 2, wherein the bearing seats corresponding to the output ends of the first output shaft, the second output shaft and the third output shaft are respectively fixed with a seat cover, the first output shaft, the second output shaft and the third output shaft respectively extend out of the outer ends of the seat covers and are respectively connected with the encoders synchronously through second couplers, and the outer ends of the seat covers are respectively provided with an encoder bracket for supporting the encoders in a laying mode.

4. The triple encoder mounting structure of a crank shaft end of a press machine according to claim 2, wherein the connecting ends of the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are respectively provided with hollow sleeves, and the connecting ends of the input shaft, the first output shaft, the second output shaft and the third output shaft are respectively matched and sleeved into the corresponding hollow sleeves and are synchronously connected through flat keys.

5. The triple encoder mounting structure of a press crankshaft end of claim 1, wherein the crankshaft end cap is fixedly connected with the crankshaft end by a plurality of screws.

6. The triple encoder mounting structure of the crank shaft end of the press machine according to claim 2, wherein the bracket extends from the body side support, the extending end of the bracket is provided with a support, and the bottom of the gear box is fixedly mounted with the support through a plurality of bolts.