CN220470575U - Brake-capable transmission mechanism for servo bending machine - Google Patents
Brake-capable transmission mechanism for servo bending machine Download PDFInfo
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- CN220470575U CN220470575U CN202322187189.7U CN202322187189U CN220470575U CN 220470575 U CN220470575 U CN 220470575U CN 202322187189 U CN202322187189 U CN 202322187189U CN 220470575 U CN220470575 U CN 220470575U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 49
- 238000005452 bending Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 230000001360 synchronised effect Effects 0.000 claims description 25
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 9
- 230000006870 function Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a brake-capable transmission mechanism for a servo bending machine, which comprises: the power unit is used for providing power required by the operation of the bending machine; the screw rod unit is used for converting the rotary power generated by the power unit into linear power; the transmission unit is arranged between the power unit and the screw rod unit, and two ends of the transmission unit are respectively connected with the power unit and the screw rod unit and used for transmitting power generated by the power unit to the screw rod unit; and the screw rod braking unit is connected with the screw rod unit and is used for braking the screw rod unit in case of failure. The screw rod braking unit can be used as a second protection when the transmission mechanism fails, emergency braking is carried out on the screw rod unit, comprehensive protection is formed, damage is avoided, meanwhile, the screw rod braking unit is simple and firm in structure, cost can be effectively reduced, and noise generated during operation can be reduced.
Description
Technical Field
The utility model relates to the field of servo bending machines, in particular to a transmission mechanism capable of braking for a servo bending machine.
Background
With the gradual development of technology, modern sheet metal machining, particularly doubling and bending machining process requirements are higher and higher, and different technical requirements on equipment and machining efficiency are met, so that compared with a hydraulic bending machine, a bending machine controlled by a pure electric uniform system is accepted by various manufacturers.
When the servo bending machine moves up and down, in order to avoid the dangerous situation of sudden falling caused by power failure, a servo motor with a brake function is often adopted, but in the practical application process, the protection function is not comprehensive enough, and the caused protection effect does not reach expectations.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide a transmission mechanism capable of braking for a servo bending machine.
In order to achieve the above object, the present utility model provides a brake-capable transmission mechanism for a servo bending machine, comprising:
the power unit is used for providing power required by the operation of the bending machine;
the screw rod unit is used for converting the rotary power generated by the power unit into linear power;
the transmission unit is arranged between the power unit and the screw rod unit, and two ends of the transmission unit are respectively connected with the power unit and the screw rod unit and used for transmitting power generated by the power unit to the screw rod unit;
and the screw rod braking unit is connected with the screw rod unit and is used for braking the screw rod unit in case of failure.
Preferably, the transmission unit comprises a first synchronous wheel connected with the power unit and a second synchronous wheel connected with the screw rod unit, and the first synchronous wheel and the second synchronous wheel are in transmission connection through a synchronous belt matched with each other.
Preferably, the first synchronous wheel and the power unit are connected by a first tension sleeve without key, and the second synchronous wheel and the screw unit are connected by a second tension sleeve without key.
Preferably, the model of the first synchronous wheel is 30 teeth, the model of the first tension sleeve is ESTRA-42-75, the model of the second synchronous wheel is 90 teeth, and the model of the second tension sleeve is ESTRA-50-80.
Preferably, the screw unit comprises a ball screw and a cylindrical roller bearing which is arranged on the ball screw and matched with the ball screw, one end of the ball screw, which is connected with the transmission unit, is provided with a lower bearing matched with the ball screw, and the lower bearing is fixedly arranged on the transmission unit.
Preferably, a bearing baffle for protecting the lower bearing is arranged at the joint of the lower bearing and the transmission unit.
Preferably, the side surfaces of the cylindrical roller bearing are provided with bearing bushes for protecting the cylindrical roller bearing.
Preferably, a lock nut for preventing the cylindrical roller bearing from falling off is arranged between the cylindrical roller bearing and the screw rod brake unit.
Preferably, the screw rod braking unit comprises a brake connected with the screw rod unit and used for clamping the screw rod unit for braking when in fault, and the screw rod unit is connected with the brake through a locking screw.
Preferably, a screw rod gasket is arranged at the top of the brake.
The utility model has the following beneficial effects:
(1) The utility model adopts the matching structure of the first synchronous wheel, the second synchronous wheel and the synchronous belt to replace the speed reducer in the existing servo bending machine transmission mechanism, so that the cost can be effectively reduced, the noise generated by the transmission unit in operation is greatly reduced for the speed reducer, the comfort of the working environment of workers can be enhanced, and the damage to the hearing system of the workers is reduced;
(2) When sudden power failure occurs, the brake of the servo motor stops moving, the first synchronous wheel and the second synchronous wheel also hold the ball screw to stop moving, the action of the bending machine stops, and double protection avoids damage to the bending machine. When the hold-in range breaks in the course of the work, the stopper will also hold the ball screw and stop the motion, and the bender action stops, avoids causing unnecessary injury because the hold-in range damages.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.
FIG. 1 is a schematic perspective view of a brake-capable transmission mechanism for a servo bending machine in accordance with the present utility model;
fig. 2 is a schematic structural view of the transmission unit in the present utility model.
In the figure: 1. a power unit; 2. a screw unit; 21. a ball screw; 22. cylindrical roller bearings; 23. a bearing bush; 24. a lock nut; 25. a lower bearing; 26. a bearing baffle; 3. a transmission unit; 31. a first synchronizing wheel; 32. a second synchronizing wheel; 33. a synchronous belt; 34. a first expansion sleeve; 35. the second expansion sleeve; 4. a screw brake unit; 41. a brake; 42. locking a screw; 43, screw rod gaskets.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the utility model. It should be further noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Examples
A brake-capable transmission mechanism for a servo bending machine, see fig. 1, comprising:
the power unit 1 is used for providing power required by operation of the bending machine, and the power unit 1 in the embodiment adopts a servo motor with a brake function;
the screw unit 2 is used for converting the rotary power generated by the power unit 1 into linear power;
the transmission unit 3 is arranged between the power unit 1 and the screw unit 2, and two ends of the transmission unit are respectively connected with the power unit 1 and the screw unit 2 and used for transmitting power generated by the power unit 1 to the screw unit 2;
and the screw brake unit 4 is connected with the screw unit 2 and is used for braking the screw unit 2 during faults.
Specifically, referring to fig. 1, the transmission unit 3 includes a first synchronizing wheel 31 connected with the power unit 1 and a second synchronizing wheel 32 connected with the screw unit 2, and the first synchronizing wheel 31 and the second synchronizing wheel 32 are in transmission connection through a synchronous belt 33 matched with each other. Referring to fig. 1 and 2, a first tension sleeve is used for keyless connection between the first synchronizing wheel 31 and the power unit 1, and a second tension sleeve is used for keyless connection between the second synchronizing wheel 32 and the screw unit 2. The first synchronizing wheel 31 is 30 teeth, the first tension sleeve is ESTRA-42-75, the second synchronizing wheel 32 is 90 teeth, and the second tension sleeve is ESTRA-50-80.
Adopt the cooperation structure of first synchronizing wheel 31, second synchronizing wheel 32 and hold-in range 33 to replace the reduction gear in the current servo bender drive mechanism, can reduce cost effectively, and the noise that drive unit 3 in this embodiment produced in operation is to the reduction gear greatly reduced, can strengthen workman operational environment's comfort level, reduce the injury that leads to the fact workman's hearing system.
The first tensioning sleeve and the second tensioning sleeve are adopted as connecting structures, so that keyless connection of a machine part and a shaft is realized, and the probability of failure of the transmission unit 3 can be reduced when failure and stalling occur.
Specifically, referring to fig. 1 and 2, the screw unit 2 includes a ball screw 21 and a cylindrical roller bearing 22 disposed above and engaged with the ball screw 21, and a lower bearing 25 engaged with the ball screw 21 is disposed at one end of the ball screw 21 connected to the transmission unit 3, and the lower bearing 25 is fixedly mounted to the transmission unit 3. A bearing baffle 26 for protecting the lower bearing 25 is provided at the junction of the lower bearing 25 and the transmission unit 3. The side surface of the cylindrical roller bearing 22 is provided with a bearing bush 23 for protecting the cylindrical roller bearing 22. A lock nut 24 for preventing the cylindrical roller bearing 22 from falling off is provided between the cylindrical roller bearing 22 and the screw brake unit 4.
Specifically, referring to fig. 1 and 2, the screw brake unit 4 includes a brake 41 (TJ-D-2.5, a table) connected to the screw unit 2 for holding the screw unit 2 for braking in case of failure, and the screw unit 2 and the brake 41 are connected by a locking screw 42. A screw rod gasket is mounted on the top of the brake 41.
The ball screw 21 can be held by the brake 41 when the fault occurs, so that the emergency braking of the screw unit 2 is realized, and the dual protection of the transmission mechanism is formed together with the braking function of the servo motor, so that the protection is more comprehensive.
The installation process, the working process and the principle of the embodiment:
the power unit 1 (servo motor) and the first synchronizing wheel 31 are matched with the first expansion sleeve 34 to be fixed, and the second synchronizing wheel 32 is driven to move through the synchronous belt 33. The second synchronizing wheel 32 is placed in the lower bearing 25 to be fixed with the ball screw 21, and the upper side of the second synchronizing wheel 32 is connected with the bearing baffle 26 to be fixed with the second expansion sleeve 35 below. The cylindrical roller bearing 22, the bearing bush 23, the lock nut 24 and the brake 41 are sequentially arranged above the ball screw 21, and finally a screw rod gasket is locked. Secured by a locking screw 42.
When in operation, the synchronous belt 33 is accurately driven by the first synchronous wheel 31 and the second synchronous wheel 32, and has no sliding during operation and constant transmission ratio. When the servo motor drives the first synchronous wheel 31 to drive the second synchronous wheel 32 to move, the ball screw 21 rotates to drive the bending machine to move, when sudden power failure occurs, the servo motor band-type brake stops moving, the brake 41 also holds the ball screw 21 to stop moving, the bending machine stops moving, and double protection avoids damage to the bending machine. When the synchronous belt 33 breaks during operation, the brake 41 also holds the ball screw 21 to stop moving, and the bending machine stops moving, so that unnecessary damage caused by the damage of the synchronous belt 33 is avoided.
It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications of the above-described utility model will be apparent to those of skill in the art, and are still within the scope of the utility model.
Claims (10)
1. A brake-capable transmission mechanism for a servo bending machine, comprising:
the power unit is used for providing power required by the operation of the bending machine;
the screw rod unit is used for converting the rotary power generated by the power unit into linear power;
the transmission unit is arranged between the power unit and the screw rod unit, and two ends of the transmission unit are respectively connected with the power unit and the screw rod unit and used for transmitting power generated by the power unit to the screw rod unit;
and the screw rod braking unit is connected with the screw rod unit and is used for braking the screw rod unit in case of failure.
2. The transmission mechanism according to claim 1, wherein the transmission unit comprises a first synchronizing wheel connected with the power unit and a second synchronizing wheel connected with the screw unit, and the first synchronizing wheel and the second synchronizing wheel are in transmission connection through a synchronous belt matched with each other.
3. The transmission mechanism according to claim 2, wherein the first synchronizing wheel and the power unit are connected in a keyless manner by a first tension sleeve, and the second synchronizing wheel and the screw unit are connected in a keyless manner by a second tension sleeve.
4. A transmission according to claim 3, wherein the first synchronizing wheel is 30 teeth in size, the first tensioning sleeve is ESTRA-42-75 in size, the second synchronizing wheel is 90 teeth in size, and the second tensioning sleeve is ESTRA-50-80 in size.
5. The transmission mechanism according to claim 1, wherein the screw unit includes a ball screw and a cylindrical roller bearing disposed above and engaged with the ball screw, a lower bearing engaged with the ball screw is disposed at an end of the ball screw connected to the transmission unit, and the lower bearing is fixedly mounted to the transmission unit.
6. The transmission mechanism according to claim 5, wherein a bearing baffle for protecting the lower bearing is provided at a junction of the lower bearing and the transmission unit.
7. The transmission mechanism according to claim 5, wherein a side face of the cylindrical roller bearing is provided with a bearing bush for protecting the cylindrical roller bearing.
8. The transmission mechanism according to claim 5, wherein a lock nut for preventing the cylindrical roller bearing from falling off is provided between the cylindrical roller bearing and the screw brake unit.
9. The transmission mechanism according to claim 1, wherein the screw brake unit comprises a brake connected with the screw unit for holding the screw unit for braking in case of failure, and the screw unit and the brake are connected by a locking screw.
10. The transmission mechanism of claim 9, wherein a lead screw spacer is mounted on top of the brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322187189.7U CN220470575U (en) | 2023-08-15 | 2023-08-15 | Brake-capable transmission mechanism for servo bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322187189.7U CN220470575U (en) | 2023-08-15 | 2023-08-15 | Brake-capable transmission mechanism for servo bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470575U true CN220470575U (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322187189.7U Active CN220470575U (en) | 2023-08-15 | 2023-08-15 | Brake-capable transmission mechanism for servo bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470575U (en) |
-
2023
- 2023-08-15 CN CN202322187189.7U patent/CN220470575U/en active Active
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