CN111299371A - High-speed three-roller plate bending machine - Google Patents
High-speed three-roller plate bending machine Download PDFInfo
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- CN111299371A CN111299371A CN202010265311.6A CN202010265311A CN111299371A CN 111299371 A CN111299371 A CN 111299371A CN 202010265311 A CN202010265311 A CN 202010265311A CN 111299371 A CN111299371 A CN 111299371A
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- roller
- driven gear
- speed reducer
- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a high-speed three-roller plate bending machine, which comprises a winding roller, a first supporting roller, a second supporting roller and a lower driving device, wherein the lower driving device comprises a first lower driving motor, a second lower driving motor, a first lower speed reducer, a first universal coupling connected with a first output shaft of the first lower speed reducer and the first supporting roller and a second universal coupling connected with a second output shaft of the first lower speed reducer and the second supporting roller, the first lower speed reducer comprises a lower shell, the driving mechanism comprises a first input shaft connected with a first lower driving motor, a second input shaft connected with a second lower driving motor, a first driving gear arranged on the first input shaft, a second driving gear arranged on the second input shaft, a first driven gear meshed with the first driving gear and a second driven gear meshed with the second driving gear, wherein the first driven gear and the second driven gear are arranged in a staggered mode. The high-speed three-roller plate bending machine can avoid accelerated wear of equipment and influence on the bending precision.
Description
Technical Field
The invention belongs to the technical field of plate bending machines, and particularly relates to a high-speed three-roller plate bending machine.
Background
The plate bending machine is a universal device for rolling and forming metal plates, and is used for rolling the metal plates into finished or semi-finished products such as cylinders, conical cylinders, curved surfaces and the like in a cold state or a hot state, and is mainly applied to shipbuilding, petroleum, chemical engineering, hydraulic engineering, metal structures and other manufacturing industries.
The three-roller plate bending machine can be divided into four structural forms of a symmetrical upward adjustment type, an upper roller cross moving type, a horizontal downward adjustment type and an arc downward adjustment type according to the movement modes of three working rollers. Because the upper and lower rollers of the horizontal downward-adjusting plate bending machine are driven by the oil cylinders to move up and down and move horizontally, the upper and lower rollers are driven by the motor reducer or the hydraulic motor to rotate, thin workpieces and thick-wall large-cylinder workpieces can be bent, and the horizontal downward-adjusting plate bending machine is wide in application range and is concerned.
The two lower rolls of the existing horizontal downward-regulating three-roll plate bending machine are driven by one or two motors, wherein the single motor drives simultaneously and has the defects of mechanical interference and asynchronism, and the double-motor drive generates additional torque and speed fluctuation due to the fact that the center distance of output shafts of two independent speed reducers is inconsistent with the center distance of the lower rolls, so that equipment abrasion is aggravated, the rolling precision is influenced, and the rolling precision does not reach the standard.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a high-speed three-roller plate bending machine, and aims to avoid accelerated wear of equipment and influence on the bending precision.
In order to achieve the purpose, the invention adopts the technical scheme that: a high-speed three-roller plate bending machine comprises a winding roller, a first supporting roller, a second supporting roller and a lower driving device used for driving the first supporting roller and the second supporting roller to rotate, wherein the lower driving device comprises a first lower driving motor, a second lower driving motor, a first lower speed reducer, a first universal coupling connected with a first output shaft of the first lower speed reducer and the first supporting roller, and a second universal coupling connected with a second output shaft of the first lower speed reducer and the second supporting roller, the first lower speed reducer comprises a lower shell, a first input shaft connected with the first lower driving motor, a second input shaft connected with the second lower driving motor, a first driving gear arranged on the first input shaft, a second driving gear arranged on the second input shaft, a first driven gear arranged on the first output shaft and meshed with the first driving gear, and a second driven gear arranged on the second output shaft and meshed with the second driving gear, the first driven gear and the second driven gear are arranged in a staggered mode.
The first driven gear and the second driven gear are the same in height, the first driven gear and the second driven gear are the same in diameter, and the first driving gear and the second driving gear are the same in diameter.
The high-speed three-roller plate bending machine further comprises a roller support seat and a horizontal moving device used for controlling the roller support seat to linearly move along the horizontal direction, and the first supporting roller and the second supporting roller are arranged on the roller support seat.
The horizontal moving device comprises a third lower driving motor, a second lower speed reducer connected with the third lower driving motor and a transmission mechanism connected with the second lower speed reducer and the roller holder, and the transmission mechanism is a screw and nut mechanism.
According to the high-speed three-roller plate bending machine, the two sets of speed reducing mechanisms for driving the supporting rollers are arranged in the same speed reducer shell, the output shaft gears can be arranged in a staggered mode, the size is small, the center distance of the output shaft of the speed reducer is the same as that of the lower roller, and additional torque and speed fluctuation caused by inconsistent center distances of universal joints are avoided, so that accelerated abrasion of equipment and influence on the rolling precision can be avoided.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic view of the connection of a lower support roller to a lower drive;
FIG. 2 is an internal structural view of a first lower speed reducer;
FIG. 3 is a schematic view of the connection of the take-up roll to the upper drive;
FIG. 4 is a schematic view of the high speed three-roll plate bending machine of the present invention;
FIG. 5 is a schematic view of the structure of the horizontal movement device;
labeled as: 1. a first lower support roll; 2. a second lower support roll; 3. a first universal coupling; 4. a second universal coupling; 5. a lower housing; 6. a first drive gear; 7. a second driving gear; 8. a first driven gear; 9. a second driven gear; 10. a first lower drive motor; 11. a second lower drive motor; 12. a third lower drive motor; 14. a second lower reducer; 15. a transmission mechanism; 16. a winding roller; 17. an upper drive motor; 18. an upper reducer; 19. a universal coupling; 20. a carrier roller seat; 21. a first input shaft; 22. a second input shaft; 23. a first output shaft; 24. a second output shaft.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
It should be noted that, in the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for convenience of description.
As shown in fig. 1 to 5, the present invention provides a high-speed three-roll plate rolling machine, which comprises a winding roll 16, a first support roll, a second support roll and a lower driving device for driving the first support roll and the second support roll to rotate, wherein the lower driving device comprises a first lower driving motor 10, a second lower driving motor 11, a first lower speed reducer, a first universal coupling 3 connected with a first output shaft 23 of the first lower speed reducer and the first support roll, and a second universal coupling 4 connected with a second output shaft 24 of the first lower speed reducer and the second support roll, the first lower speed reducer comprises a lower shell 5, a first input shaft 21 connected with the first lower driving motor 10, a second input shaft 22 connected with the second lower driving motor 11, a first driving gear 6 arranged on the first input shaft 21, a second driving gear 7 arranged on the second input shaft 22, a first driven gear 8 arranged on the first output shaft 23 and meshed with the first driving gear 6, and a second driven gear 8 arranged on the first output shaft 23 and meshed with the first driving gear 6 And a second driven gear 9 on the two output shafts 24 and engaged with the second driving gear 7.
Specifically, as shown in fig. 1 and 2, the first supporting roller and the second supporting roller are arranged side by side, the axes of the first supporting roller and the second supporting roller are parallel to a first direction, the first supporting roller and the second supporting roller are on the same straight line parallel to a second direction, both the first direction and the second direction are horizontal, and the first direction and the second direction are perpendicular. The first lower driving motor 10 and the second lower driving motor 11 are fixedly arranged, the lower housing 5 is fixedly arranged, the first lower driving motor 10, the second lower driving motor 11, the first universal coupling 3 and the second universal coupling 4 are positioned on the same side of the lower housing 5, the first input shaft 21, the second input shaft 22, the first output shaft 23 and the second output shaft 24 are rotatably arranged on the lower housing 5, the axes of the first input shaft 21, the second input shaft 22, the first output shaft 23 and the second output shaft 24 are parallel to the first direction, the first input shaft 21 and the second input shaft 22 are positioned on the same straight line parallel to the second direction, the first output shaft 23 and the second output shaft 24 are also positioned on the same straight line parallel to the second direction, and the height of the first input shaft 21 is smaller than that of the first output shaft 23. The first driving gear 6 is fixedly arranged on the first input shaft 21, the first driven gear 8 is fixedly arranged on the first output shaft 23, the second driving gear 7 is fixedly arranged on the second input shaft 22, and the second driven gear 9 is fixedly arranged on the second output shaft 24. The first driving gear 6, the second driving gear 7, the first driven gear 8 and the second driven gear 9 are all cylindrical gears, the first driven gear 8 and the second driven gear 9 are the same in height, the first driven gear 8 and the second driven gear 9 are the same in diameter, the first driving gear 6 and the second driving gear 7 are the same in height, and the first driving gear 6 and the second driving gear 7 are the same in diameter.
As shown in fig. 1 and 2, the first input shaft 21 is connected to a motor shaft of the first lower driving motor 10, the first output shaft 23 is connected to one end of the first universal coupling 3, the other end of the first universal coupling 3 is connected to the first support roller, the second input shaft 22 is connected to a motor shaft of the second lower driving motor 11, the second output shaft 24 is connected to one end of the second universal coupling 4, and the other end of the second universal coupling 4 is connected to the second support roller.
As shown in fig. 1 and 2, it is preferable that the first driven gear 8 and the second driven gear 9 are disposed in a staggered manner on a projection plane perpendicular to the second direction, a position of the first driven gear 8 on the projection plane and a position of the second driven gear 9 on the projection plane are two different positions, and the first driven gear 8 and the second driven gear 9 do not overlap; however, the first driven gear 8 and the second driven gear 9 partially overlap on a projection plane perpendicular to the first direction. First driving gear 6, second driving gear 7, first driven gear 8 and second driven gear 9 all are located the inside of casing 5 down, set first driven gear 8 and second driven gear 9 to stagger and arrange, can reduce the volume of reduction gear, and then can reduce the whole volume of veneer reeling machine. After the sub-rollers are adopted for driving, the two supporting rollers are respectively connected with two sets of speed reducing motors through output gear shafts by the two motors and driven to rotate through universal couplings, the mechanical characteristics of the high slip ratio motors are utilized, the requirements of a rolling process are automatically met, the roller speed during feeding and discharging can be automatically adjusted, so that sliding friction is automatically eliminated and is completely converted into rolling friction, mechanical interference, vibration and abrasion caused by the sliding friction are eliminated, the center distance of the output shaft of the speed reducer is the same as that of the lower roller, and additional torque and speed fluctuation caused by inconsistent center distance of the universal joints are avoided, so that accelerated abrasion of equipment and influence on rolling precision are avoided, and the quality of rolled products is remarkably improved.
As shown in fig. 3 and 5, the winding roller 16 is positioned above the first support roller and the second support roller, the axis of the winding roller 16 is parallel to the first direction, the winding roller 16 is connected to an upper driving device, the upper driving device is used for driving the winding roller 16 to rotate, the upper driving device comprises an upper driving motor 17, an upper speed reducer 18 and a universal coupling 19, an input shaft of the upper speed reducer 18 is connected to a motor shaft of the upper driving motor 17, an output shaft of the upper speed reducer 18 is connected to one end of the universal coupling 19, and the other end of the universal coupling 19 is connected to the winding roller 16. The winding machine adopts a double-motor driving mode, the winding roller and the supporting roller can work simultaneously, and the working efficiency of the plate bending machine can be greatly improved.
As shown in fig. 4, the high-speed three-roll plate bending machine of the present invention further includes a carrier roller base 20 and a horizontal moving device for controlling the carrier roller base 20 to move linearly in a horizontal direction, and the first support roller and the second support roller are disposed on the carrier roller base 20. The horizontal moving device comprises a third lower driving motor 12, a second lower speed reducer 14 connected with the third lower driving motor 12 and a transmission mechanism 15 connected with the second lower speed reducer 14 and a roller holder 20, wherein the transmission mechanism 15 is a screw-nut mechanism, the second lower speed reducer 14 is a worm-gear speed reducer, a worm of the second lower speed reducer 14 is connected with a motor shaft of the third lower driving motor 12, a worm gear of the second lower speed reducer 14 is connected with a screw of the transmission mechanism 15, a nut of the transmission mechanism 15 is fixedly connected with the roller holder 20, and a first supporting roller and a second supporting roller are rotatably arranged on the roller holder 20. After the third lower driving motor 12 operates, the second lower speed reducer 14 drives the transmission mechanism 15 to operate, the final transmission mechanism 15 drives the roller holder 20 to make a linear motion along the second direction, and the roller holder 20 drives the first supporting roller and the second supporting roller to synchronously and horizontally move.
The lower roller of the plate bending machine adopts a mechanical horizontal moving structure, consists of a motor, a worm gear pair and a screw rod pair and is arranged outside the machine body, so that the maintenance and the adjustment are convenient. The horizontal moving device with the structure has the advantages of large static load and small dynamic load, and is accurate in rigid positioning.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (4)
1. The utility model provides a high-speed three-roller plate bending machine, includes winding roll, first backing roll, second backing roll and is used for driving first backing roll and second backing roll pivoted lower drive arrangement, its characterized in that: the lower driving device comprises a first lower driving motor, a second lower driving motor, a first lower speed reducer, a first universal coupling connected with a first output shaft of the first lower speed reducer and the first supporting roller, and a second universal coupling connected with a second output shaft of the first lower speed reducer and the second supporting roller, wherein the first lower speed reducer comprises a lower shell, a first input shaft connected with the first lower driving motor, a second input shaft connected with the second lower driving motor, a first driving gear arranged on the first input shaft, a second driving gear arranged on the second input shaft, a first driven gear arranged on the first output shaft and meshed with the first driving gear, and a second driven gear arranged on the second output shaft and meshed with the second driving gear, and the first driven gear and the second driven gear are arranged in a staggered mode.
2. The high-speed three-roll plate bending machine according to claim 1, wherein: the first driven gear and the second driven gear are the same in height, the first driven gear and the second driven gear are the same in diameter, and the first driving gear and the second driving gear are the same in diameter.
3. The high-speed three-roll plate bending machine according to claim 1 or 2, characterized in that: the roller support device is characterized by further comprising a roller support seat and a horizontal moving device used for controlling the roller support seat to linearly move along the horizontal direction, and the first supporting roller and the second supporting roller are arranged on the roller support seat.
4. The high-speed three-roll plate bending machine according to claim 3, wherein: the horizontal moving device comprises a third lower driving motor, a second lower speed reducer connected with the third lower driving motor and a transmission mechanism connected with the second lower speed reducer and the roller holder, and the transmission mechanism is a screw and nut mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010265311.6A CN111299371A (en) | 2020-04-07 | 2020-04-07 | High-speed three-roller plate bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010265311.6A CN111299371A (en) | 2020-04-07 | 2020-04-07 | High-speed three-roller plate bending machine |
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| Publication Number | Publication Date |
|---|---|
| CN111299371A true CN111299371A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010265311.6A Pending CN111299371A (en) | 2020-04-07 | 2020-04-07 | High-speed three-roller plate bending machine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2107330U (en) * | 1991-10-10 | 1992-06-17 | 湖北鄂城重型机器厂 | Three-roll sheet rolling machine driced by double main motor |
| CN1903470A (en) * | 2006-08-02 | 2007-01-31 | 王小建 | Main transmission device of rolling machine |
| CN200948475Y (en) * | 2006-08-14 | 2007-09-19 | 沃洪 | Horizontal down-regulating hydraulic three-roller lapping machine |
| CN104550347A (en) * | 2013-10-14 | 2015-04-29 | 华电重工机械有限公司 | Transmission system of three-roll plate bending machine |
| CN106311820A (en) * | 2016-11-19 | 2017-01-11 | 安徽省航天机床制造股份有限公司 | Dual driving rolling machine |
| CN106513469A (en) * | 2016-12-30 | 2017-03-22 | 二十二冶集团装备制造有限公司 | Horizontal down-regulation type three-roller plate roll and steel pipe rolling method |
-
2020
- 2020-04-07 CN CN202010265311.6A patent/CN111299371A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2107330U (en) * | 1991-10-10 | 1992-06-17 | 湖北鄂城重型机器厂 | Three-roll sheet rolling machine driced by double main motor |
| CN1903470A (en) * | 2006-08-02 | 2007-01-31 | 王小建 | Main transmission device of rolling machine |
| CN200948475Y (en) * | 2006-08-14 | 2007-09-19 | 沃洪 | Horizontal down-regulating hydraulic three-roller lapping machine |
| CN104550347A (en) * | 2013-10-14 | 2015-04-29 | 华电重工机械有限公司 | Transmission system of three-roll plate bending machine |
| CN106311820A (en) * | 2016-11-19 | 2017-01-11 | 安徽省航天机床制造股份有限公司 | Dual driving rolling machine |
| CN106513469A (en) * | 2016-12-30 | 2017-03-22 | 二十二冶集团装备制造有限公司 | Horizontal down-regulation type three-roller plate roll and steel pipe rolling method |
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Application publication date: 20200619 |