CN210614730U - A servo bending machine - Google Patents
A servo bending machine Download PDFInfo
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- CN210614730U CN210614730U CN201921278408.XU CN201921278408U CN210614730U CN 210614730 U CN210614730 U CN 210614730U CN 201921278408 U CN201921278408 U CN 201921278408U CN 210614730 U CN210614730 U CN 210614730U
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- swing arm
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Abstract
本实用新型提供一种伺服拉弯机，包括基座、设置于所述基座两侧用于固定工件的夹紧组件，所述夹紧组件与所述基座的相对位置多方位可调；所述夹紧组件通过支架水平滑动连接于回转平台上，所述回转平台可相对所述基座转动任意角度，所述夹紧组件上下滑动连接于所述支架上且与所述基座的相对角度可调。本实用新型突破传统机械凸轮运转方式，基于夹紧组件的多方位调节结构和现有的伺服数控技术，实现工件多形态的编辑，并且便于工件的形变量及回弹量的精准控制。
This invention provides a servo bending machine, including a base and clamping assemblies disposed on both sides of the base for fixing workpieces. The relative position of the clamping assemblies to the base is adjustable in multiple directions. The clamping assemblies are horizontally slidably connected to a rotary platform via a bracket. The rotary platform can rotate at any angle relative to the base. The clamping assemblies are vertically slidably connected to the bracket, and their relative angle with the base is adjustable. This invention breaks through the traditional mechanical cam operation method. Based on the multi-directional adjustment structure of the clamping assembly and existing servo CNC technology, it realizes the editing of multiple workpiece shapes and facilitates precise control of workpiece deformation and springback.
Description
Technical Field
The utility model belongs to the technical field of stretch bending technology and specifically relates to a servo stretch bender.
Background
In the automatic stretch bending process of the automobile framework, the bright wisp and the luggage rack, the stretch bending machine is used for bending and forming the strip-shaped workpiece. The two sides of the stretch bender are provided with clamping devices for clamping workpieces, the forming die is abutted against the middle of the workpiece, and the two rotating arms respectively rotate towards the direction close to the base, so that the workpiece is stretch-bent and formed.
The existing stretch bender adopts the operation mode of the traditional mechanical cam, the long-time operation size of the cam is easy to change, the size of a processed product can generate irregular change, and the requirement of high precision is difficult to meet; structural limitation, which is not beneficial to editing a workpiece with a spatial multi-dimensional shape; in the machining process, the position of a workpiece is easy to deviate, and the machining quality is influenced.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a servo stretch bender.
A servo stretch bender comprises a base and clamping components arranged on two sides of the base and used for fixing a workpiece, wherein the relative positions of the clamping components and the base are adjustable in multiple directions;
the clamping assembly is horizontally connected to the rotary platform in a sliding mode through the support, the rotary platform can rotate by any angle relative to the base, and the clamping assembly is vertically connected to the support in a sliding mode and can adjust relative angles of the base.
Furthermore, a lifting plate is arranged on one inward side of the support in a vertically sliding mode, a rotating shaft is fixed to one inward side of the lifting plate through a bearing seat and fixed in the bearing seat through a bearing, a swinging arm arranged in the same direction as the rotary platform is fixed to the rotating shaft, two sides of the swinging arm penetrate through the support, and the clamping assembly is fixed to one inward side of the swinging arm;
a swing arm adjusting assembly is fixed on the lifting plate and used for applying an upward or downward external force to the outward side of the swing arm, so that the swing arm rotates around the rotating shaft, and the relative angle between the clamping assembly and the base is adjusted in the vertical direction;
the swing arm adjusting assembly is mainly composed of a mounting plate fixed on the lifting plate, a hinge seat arranged on the mounting plate in a lifting mode and a connecting rod, one end of the connecting rod is hinged to the hinge seat, and the other end of the connecting rod is hinged to the outward side of the swing arm.
Furthermore, the clamping assembly is fixed on the swing arm through a horizontal swing assembly, so that the relative angle between the clamping assembly and the base in the horizontal direction can be adjusted; the horizontal swinging assembly mainly comprises a swinging frame fixed on the swinging arm, a swinging shaft vertically arranged in the swinging frame, a swinging motor driving the swinging shaft and a swinging plate fixed on the swinging shaft, and the clamping assembly is fixed on the swinging plate.
Furthermore, the clamping assembly mainly comprises a rotating support, a lower chuck fixedly arranged at the lower end part of the rotating support and an upper chuck arranged on the rotating support in a vertically sliding manner, and the rotating support is driven by a rotating motor to rotate horizontally by taking the rotating motor as a central shaft.
Furthermore, a sliding table cylinder is fixed on the rotating support through a mounting side frame, a pressing block used for pressing a workpiece is arranged on the sliding table cylinder, and a positioning block matched with the pressing block is arranged on the lower chuck.
The utility model has the advantages that: the multi-position adjusting mechanism breaks through the traditional mechanical cam operation mode, realizes the multi-form editing of the workpiece based on the multi-position adjusting structure of the clamping assembly and the existing servo numerical control technology, and is convenient for the accurate control of the deformation quantity and the rebound quantity of the workpiece; by arranging the pressing block and the positioning block, the workpiece can be positioned by the processing positioning block, so that the situation that the position of the workpiece is deviated in the processing process, the processing error is caused, and the processing quality is influenced is avoided; the sliding table air cylinder is started, and pushes the pressing block to move downwards, so that the pressing block presses the workpiece, the positioning precision of the workpiece in the machining process is guaranteed, and the product quality is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a servo stretch bender;
FIG. 2 is a schematic structural view of a single-side clamping assembly and a rotary platform;
FIG. 3 is a schematic view of a rotating structure of the rotary platform and a sliding structure of the support;
FIG. 4 is a schematic view of a driving structure for horizontal sliding of the support;
FIG. 5 is a first schematic view of a multi-directional adjustable clamping assembly;
FIG. 6 is a schematic view of a multi-directional adjustable clamping assembly fixture;
FIG. 7 is a schematic view of a driving structure for the lifting plate to slide up and down;
FIG. 8 is a schematic view of the mounting structure of the mounting plate and the lifting plate;
FIG. 9 is a schematic view of the lifting structure of the hinge base;
FIG. 10 is a schematic plan view of the horizontal swing assembly;
FIG. 11 is a perspective view of the horizontal swing assembly;
FIG. 12 is a schematic view of the clamping assembly and the pressing assembly;
fig. 13 is a schematic view of a driving structure of the upper chuck sliding up and down.
Description of reference numerals: 1. a clamping assembly; 2. a rotating platform; 3. a drive disc; 4. rotating the disc; 5. a first servo motor; 6. a support; 7. a second servo motor; 8. a first gear; 9. a first rack; 10. a second slider; 11. a second slide rail; 12. a lifting plate; 13. a third servo motor; 14. a bearing seat; 15. a rotating shaft; 16. swinging arms; 17. a connecting rod; 18. a hinged seat; 19. moving the plate; 20. a fourth servo motor; 21. a second gear; 22. a second rack; 23. a third slider; 24. a third slide rail; 25. mounting a bracket; 26. mounting a plate; 27. a fourth slider; 28. a fourth slide rail; 29. a second lead screw nut; 30. a second moving lead screw; 31. a swing motor; 32. a swing frame; 33. a swing shaft; 34. a swing plate; 35. a lower chuck; 36. rotating the bracket; 37. an upper chuck; 38. a rotation driving device; 39. a rotating electric machine; 40. a lift cylinder; 41. installing a side frame; 42. a sliding table cylinder; 43. briquetting; 44. positioning blocks; 45. a fifth slider; 46. and a fifth slide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Example 1
The servo stretch bender comprises a base and clamping components arranged on two sides of the base and used for fixing a workpiece, wherein the relative positions of the clamping components and the base are adjustable in multiple directions, so that the workpiece can be edited into a complex space shape.
The clamping assembly is horizontally connected to the rotary platform 2 in a sliding mode through the support 6, the rotary platform 2 can rotate at any angle relative to the base, and the clamping assembly is vertically connected to the support 6 in a sliding mode and adjustable in relative angle with the base.
The rotary platform 2 is equivalent to a rotating structure of the base and comprises the following components: the rotary platform 2 comprises a driving disc 3, a first servo motor 5 for driving the driving disc 3 to rotate, and a rotary disc 4 which is arranged above the driving disc 3 and driven by the driving disc to rotate. The rotary platform 2 drives the clamping assembly to rotate by taking the driving disc 3 as a center and rotate by taking the driving disc 3 as a center.
The horizontal sliding structure of the bracket 6 on the rotary platform is as follows: a first rack 9 is arranged on the rotating disc 4, a first gear 8 driven by a second servo motor 7 is arranged on the bracket 6, and the first gear 8 is meshed with the first rack 9; the rotating disc 4 is provided with a second slide rail 11, the bottom of the support 6 is provided with a second slide block 10 matched with the second slide rail 11, and the support 6 is fixed on the second slide block 10.
The up-and-down sliding structure of the clamping component on the bracket 6 and the relative angle adjustable structure of the clamping component and the base are as follows: a lifting plate 12 is arranged on one inward side of the support 6 in a vertically sliding manner, a third sliding rail 24 is arranged on one inward side of the support 6, a third sliding block 23 is connected onto the third sliding rail 24 in a sliding manner, the third sliding block 23 is connected with the lifting plate 12, a second rack 22 is arranged on the support 6, a third servo motor 13 is fixed on the lifting plate 12, an output shaft of the third servo motor 13 is connected with a second gear 21, and the second gear 21 is meshed with the second rack 22; a rotating shaft 15 is fixed on one inward side of the lifting plate 12 through a bearing seat 14, the rotating shaft 15 is fixed in the bearing seat 14 through a bearing, a swing arm 16 which is arranged in the same direction as the rotary platform is fixed on the rotating shaft 15, two sides of the swing arm 16 penetrate through the bracket 6, and the clamping assembly is fixed on one inward side of the swing arm 16; a swing arm adjusting assembly is fixed on the lifting plate 12 and used for applying an upward or downward external force to the outward side of the swing arm 16, so that the swing arm 16 rotates around the rotating shaft 15, and the relative angle between the clamping assembly and the base is adjusted in the vertical direction; the clamping assembly is fixed on the swing arm 16 through a horizontal swing assembly, so that the relative angle between the clamping assembly and the base is adjusted in the horizontal direction.
Specifically, in this embodiment, the swing arm adjusting assembly mainly includes a mounting plate 26 fixed on the lifting plate 12, a hinge seat 18 disposed on the mounting plate 26 in a lifting manner, and a connecting rod 17, one end of the connecting rod 17 is hinged to the hinge seat 18, the other end of the connecting rod is hinged to the outward side of the swing arm 16, and the lifting plate 12 is connected to the mounting plate 26 through a mounting bracket 25. The hinge seat is arranged on the lifting structure of the mounting plate: be equipped with fourth slide rail 28 on the mounting panel 26, sliding connection has fourth slider 27 on the fourth slide rail 28, be equipped with movable plate 19 on the fourth slider 27, articulated seat 18 is fixed on the movable plate 19, be equipped with second removal lead screw 30 on the mounting panel 26, be connected with second lead screw nut 29 on the second removal lead screw 30, movable plate 19 with second lead screw nut 29 is connected, second removal lead screw 30 by fourth servo motor 20 drives.
Specifically, in the present embodiment, the horizontal swing assembly mainly includes a swing frame 32 fixed to the swing arm 16, a swing shaft 33 vertically disposed in the swing frame 32, a swing motor 31 driving the swing shaft 33, and a swing plate 34 fixed to the swing shaft 33, and the clamping assembly is fixed to the swing plate 34.
After the clamping assembly clamps the workpiece, the workpiece is edited in various forms through rotation of the rotary platform and multi-directional adjustment of the clamping assembly. For example, keeping the position of the lifting plate unchanged, starting the fourth servo motor 20, moving the moving plate 19 downwards, so as to drive the hinge base 18 to move downwards, further pushing the swing arm 16 to move downwards towards the outer side through the connecting rod 17, and under the action of the rotating shaft 15, moving the swing arm 16 upwards towards the inner side; and vice versa. Meanwhile, it is easy to know that the fourth servo motor 20 and the third servo motor 13 are mutually matched, and the horizontal lifting of the lifting plate 12 can be realized.
On this basis, this embodiment has still set up the revolution mechanic of clamping component around the vertical axis, specifically is: the clamping assembly mainly comprises a rotating bracket 36, a lower chuck 35 fixedly arranged at the lower end part of the rotating bracket 36 and an upper chuck 37 arranged on the rotating bracket 36 in a vertically sliding manner, wherein the rotating bracket 36 is driven by a rotating motor 39 and a rotary driving device (worm wheel and worm) 38 to horizontally rotate by taking the rotating motor 39 as a central shaft. The sliding structure of the upper chuck on the rotating bracket is as follows: the rotating bracket 36 is provided with a fifth slide rail 46, the fifth slide rail 46 is connected with a fifth slide block 45, the fifth slide block 45 is connected with the upper chuck 37, the rotating bracket 36 is provided with the lifting cylinder 40, and a piston rod of the lifting cylinder 40 is connected with the upper chuck 37.
In order to ensure the clamping degree of the clamping assembly to the workpiece, the rotating bracket 36 is fixed with a sliding table cylinder 42 through a mounting side frame 41, a pressing block 43 used for pressing the workpiece is arranged on the sliding table cylinder 42, and a positioning block 44 matched with the pressing block 43 is arranged on the lower chuck 35. The cooperation of briquetting and locating piece is used, has avoided the work piece position to take place the skew in the course of working, causes machining error, influences processingquality.
When the servo stretch bender works, the clamping assembly and the pressing assembly (the pressing block and the positioning block) fix the position of a workpiece, so that the position of the workpiece is prevented from moving in the machining process, the positioning precision of the workpiece in the machining process is ensured, and the product quality is improved.
It should be noted that, in the present application, the "inward side" and the "outward side" are referred to as the base, and the opposite side of the two rotating platforms is the "inward side" and the other side is the "outward side".
Finally, it should also be noted that the above list is only one specific embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (7)
1. A servo stretch bender comprises a base and clamping components arranged on two sides of the base and used for fixing a workpiece, and is characterized in that the relative positions of the clamping components and the base are adjustable in multiple directions;
the clamping assembly is horizontally connected to the rotary platform in a sliding mode through the support, the rotary platform can rotate by any angle relative to the base, and the clamping assembly is vertically connected to the support in a sliding mode and can adjust relative angles of the base.
2. The servo stretch bender according to claim 1, wherein a lifting plate is arranged on one inward side of the support in a vertically sliding manner, a rotating shaft is fixed on one inward side of the lifting plate through a bearing seat, the rotating shaft is fixed in the bearing seat through a bearing, a swing arm arranged in the same direction as the rotary platform is fixed on the rotating shaft, two sides of the swing arm penetrate through the support, and the clamping assembly is fixed on one inward side of the swing arm;
and a swing arm adjusting assembly is fixed on the lifting plate and used for applying an upward or downward external force to the outward side of the swing arm, so that the swing arm rotates around the rotating shaft, and the clamping assembly and the base are adjusted in the vertical direction relative to the angle.
3. The servo bender according to claim 2, wherein the swing arm adjustment assembly is mainly composed of a mounting plate fixed on the lifting plate, a hinge seat and a connecting rod, the hinge seat is arranged on the mounting plate in a lifting manner, one end of the connecting rod is hinged on the hinge seat, and the other end of the connecting rod is hinged on the outward side of the swing arm.
4. The servo bender according to claim 2, wherein the clamping assembly is secured to the swing arm by a horizontal swing assembly, thereby enabling horizontal adjustment of the angle of the clamping assembly relative to the base.
5. The servo bender according to claim 4, wherein the horizontal swing assembly is mainly composed of a swing frame fixed on the swing arm, a swing shaft vertically disposed in the swing frame, a swing motor driving the swing shaft, and a swing plate fixed on the swing shaft, and the clamping assembly is fixed on the swing plate.
6. The servo bender according to any of the claims 1 to 5, wherein the clamping assembly is mainly composed of a rotary support, a lower chuck fixedly arranged at the lower end of the rotary support, and an upper chuck vertically slidably arranged on the rotary support, and the rotary support is driven by a rotary motor to rotate horizontally around the rotary motor as a central axis.
7. The servo stretch bender according to claim 6, wherein the rotary support is fixed with a sliding table cylinder through a mounting side frame, a pressing block for pressing a workpiece is arranged on the sliding table cylinder, and a positioning block matched with the pressing block is arranged on the lower chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278408.XU CN210614730U (en) | 2019-08-08 | 2019-08-08 | A servo bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921278408.XU CN210614730U (en) | 2019-08-08 | 2019-08-08 | A servo bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210614730U true CN210614730U (en) | 2020-05-26 |
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ID=70758761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921278408.XU Expired - Fee Related CN210614730U (en) | 2019-08-08 | 2019-08-08 | A servo bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210614730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421032A (en) * | 2019-08-08 | 2019-11-08 | 秦皇岛威卡威汽车零部件有限公司 | A kind of servo stretch benders |
-
2019
- 2019-08-08 CN CN201921278408.XU patent/CN210614730U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110421032A (en) * | 2019-08-08 | 2019-11-08 | 秦皇岛威卡威汽车零部件有限公司 | A kind of servo stretch benders |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 |