Auxiliary positioning device
By designing an auxiliary positioning device including worm gear, worm, bevel gear and lead screw, the problem of inaccurate positioning of the existing hydraulic CNC bending machine is solved, automatic positioning and simultaneous fixing of the plate is realized, and positioning accuracy and efficiency are improved. .
Patent Information
- Application Number
- CN202420706719.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-08
AI Technical Summary
The auxiliary positioning device of existing hydraulic CNC bending machines requires manual adjustment of the card block spacing and tightening the nuts. It is impossible to ensure that one side is fixed without deflection on the other side, and the plate cannot be fixed at the same time.
An auxiliary positioning device is designed, including a worm gear, worm gear, bevel gear, lead screw, placement block, moving plate, pressure plate, rotary rod and sliding rod. The double-headed lead screw driven by an electromagnetic slide rail and a motor can realize automatic plate material. Positioning and fixing simultaneously.
The simultaneous fixation of the plate is achieved, deflection is avoided, and positioning accuracy and efficiency is improved. It is suitable for plates of different widths and thicknesses.
Smart Images

Figure CN222450517U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plate materials, in particular to an auxiliary positioning device. Background Art
[0002] At present, industrial manufacturing is developing rapidly, and different machines in different fields have made great progress. Among them, hydraulic CNC bending machines have important applications in different aspects. Their function is to bend cold metal sheets into workpieces of various geometric cross-sectional shapes for subsequent processing and use. They are extremely common in the fields of aircraft, automobile manufacturing, containers, elevators, etc.
[0003] After searching, the Chinese patent publication number CN114210777A discloses a hydraulic CNC bending machine with an auxiliary positioning structure, including a hydraulic CNC bending machine body, a bending opening is provided on one side outer wall of the hydraulic CNC bending machine body, and a fixing frame is fixedly connected to the lower position of the bending opening on the one side outer wall of the hydraulic CNC bending machine body by bolts, a first inner cavity is provided on the outer wall on the side away from the hydraulic CNC bending machine body, and a slide groove is provided on one side inner wall of the first inner cavity.
[0004] The above patent has the following deficiencies: when the above device assists in positioning, it is necessary to manually adjust the distance between the two blocks, and then tighten the fastening nuts to fix the plate, but manual tightening can only be done one by one, and it cannot be guaranteed that after one side is fixed, the other side will not deflect, and it is impossible to fix them at the same time to ensure the effect. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and proposes an auxiliary positioning device.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] An auxiliary positioning device comprises a clamping mechanism used in conjunction with a hydraulic CNC bending machine body, the clamping mechanism comprises a mounting frame and a lifting assembly, the mounting frame is slidably connected to the outer side wall of the hydraulic CNC bending machine body, the top inner wall of the mounting frame is slidably connected to a mounting frame through an electromagnetic slide rail, the inner wall of the mounting frame is slidably connected to a placement block, the bottom outer wall of the placement block is fixedly installed with an L-shaped plate, the inner wall of the placement block is rotatably connected to a rotating rod four, the top outer wall of the rotating rod four is fixedly installed with a lead screw, the bottom outer wall of the rotating rod four is fixedly installed with a bevel gear one, the inner wall of the L-shaped plate is rotatably connected to a rotating rod one, one end of the rotating rod one is fixedly installed with a bevel gear two, and the bevel gear two is fixedly installed on the bottom outer wall of the rotating rod four. Gear 2 cooperates with bevel gear 1, and an installation box is fixedly installed on the outer wall of the bottom of the installation frame, and the inner wall of the installation box is rotatably connected with a rotating rod 2, and a bevel gear 4 is fixedly installed on one end of the rotating rod 2. The inner wall of the installation box is rotatably connected with a rotating rod 3, and the outer side wall of the rotating rod 3 is connected with a worm gear and bevel gear 3 through a key. The inner wall of the installation box is rotatably connected with a worm, and the worm gear is meshed with the worm gear, and the bevel gear 3 is meshed with bevel gear 4. The rotating rod 2 and the inner wall of the rotating rod 1 are slidably connected with a sliding rod, and a support plate is fixedly installed on the outer wall of the top of the placement block, and a movable plate is slidably connected to the inner wall of the support plate, and a pressure plate is fixedly installed on the outer side wall of the other end of the movable plate.
[0008] As a further solution of the utility model: a feed port is provided on the outside of the hydraulic CNC bending machine body, a rubber sheet is fixedly installed on the outer wall of the bottom of the pressure plate, and the movable plate is connected to the lead screw through a nut.
[0009] As a further solution of the utility model: a control panel is fixedly installed on the outer side wall of the installation box, and the lifting assembly includes a second support rod, a base plate, and a hydraulic cylinder, and the base plate is fixedly installed on the outer side wall of the second support rod.
[0010] As a further solution of the utility model: the second support rod is fixedly installed on the outer wall of the top of the base plate, the inner wall of the second support rod is slidably connected with the first support rod, and the top of the first support rod is connected to the mounting frame.
[0011] As a further solution of the utility model: the hydraulic cylinder is fixedly installed on the top outer wall of the base plate, the telescopic end of the hydraulic cylinder is connected to a moving frame through a key, and the top end of the moving frame is connected to the mounting frame.
[0012] As a further solution of the utility model: a motor is fixedly mounted on the top outer wall of the installation frame, a double-headed lead screw is connected to the power output end of the motor via a key, and the double-headed lead screw and the placement block are connected to each other via a nut.
[0013] As a further solution of the utility model: an inner sleeve plate is fixedly installed on the outer side wall of the support plate, an extrusion column is slidably connected to the inner wall of the inner sleeve plate, and an outer sleeve plate is fixedly installed on the outer side wall of the inner sleeve plate.
[0014] As a further solution of the utility model: a positioning pin is fixedly installed on the outer side wall of the outer sleeve plate, the positioning pin is in contact with the extrusion column, and a scale line is opened on the outer side wall of the outer sleeve plate.
[0015] Compared with the prior art, the utility model provides an auxiliary positioning device, which has the following beneficial effects:
[0016] 1. The utility model is provided with a worm wheel, a worm, a bevel gear 1, a bevel gear 2, a bevel gear 3, a bevel gear 4, a lead screw, a placement block, a movable plate, a pressure plate, a rotating rod 1, a rotating rod 2, and a sliding rod. When in use, the worm can be rotated to rotate the worm wheel, and then the lead screw rotates under the mutual engagement of the bevel gear 1, the bevel gear 2, the bevel gear 3, and the bevel gear 4, and the pressure plate descends to fix the plate at the same time.
[0017] 2. The utility model is provided with a motor and a double-headed screw. When in use, the motor can be directly turned on to drive the double-headed screw so that the positions of the placement blocks can be adjusted to each other. The sliding rod between the rotating rod 1 and the rotating rod 2 cooperates to slide to adjust the spacing to adapt to plates of different widths.
[0018] 3. The utility model is provided with an inner plate, an outer plate, an extrusion column, positioning pins and scale lines. When the plate is placed, the plate will press the extrusion column, and then the positioning pins at different positions will move outward. The thickness of the plate can be roughly determined in conjunction with the scale lines, and then adjusted.
[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the overall structure of an auxiliary positioning device proposed by the utility model;
[0021] Figure 2 This is a schematic diagram of the top structure of an installation frame of an auxiliary positioning device proposed by the utility model;
[0022] Figure 3 This is a schematic diagram of the overall bottom-up structure of an auxiliary positioning device proposed by the utility model;
[0023] Figure 4 A schematic cross-sectional view of the installation box of an auxiliary positioning device proposed by the utility model;
[0024] Figure 5 A schematic diagram of a pressure plate structure of an auxiliary positioning device proposed by the utility model;
[0025] Figure 6 The utility model provides a schematic diagram of the cross-sectional structure of an inner sleeve plate of an auxiliary positioning device.
[0026] In the figure: 1. Hydraulic CNC bending machine body; 2. Feed inlet; 3. Mounting frame; 4. Support rod one; 5. Support rod two; 6. Moving frame; 7. Bottom plate; 8. Hydraulic cylinder; 9. Mounting frame; 10. Placement block; 11. Motor; 12. Double-headed screw; 13. Screw; 14. L-shaped plate; 15. Bevel gear one; 16. Bevel gear two; 17. Turning rod one; 18. Sliding rod; 19. Mounting box; 20. Control panel; 21. Worm; 22. Turning rod two; 23. Turning rod three; 24. Worm gear; 25. Bevel gear three; 26. Bevel gear four; 27. Pressing plate; 28. Rubber sheet; 29. Moving plate; 30. Outer plate; 31. Support plate; 32. Inner plate; 33. Scale line; 34. Positioning pin; 35. Extrusion column; 36. Turning rod four. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0028] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0029] Embodiment 1:
[0030] An auxiliary positioning device, in order to achieve simultaneous fixing of the plate, such as Figure 1-6As shown, it includes a clamping mechanism used in conjunction with a hydraulic CNC bending machine body 1. The hydraulic CNC bending machine body 1 is provided with a feed port 2 on the outside. The clamping mechanism includes a mounting frame 3 and a lifting assembly. The mounting frame 3 is slidably connected to the outer side wall of the hydraulic CNC bending machine body 1. The top inner wall of the mounting frame 3 is slidably connected to a mounting frame 9 through an electromagnetic slide rail. The inner wall of the mounting frame 9 is slidably connected to a placement block 10. An L-shaped plate 14 is welded to the bottom outer wall of the placement block 10. The inner wall of the placement block 10 is rotatably connected to a rotating rod 4 36. A lead screw 13 is welded to the top outer wall of the rotating rod 4 36. A bevel gear 15 is welded to the bottom outer wall of the rotating rod 4 36. The inner wall of the L-shaped plate 14 is rotatably connected to a rotating rod 17. A bevel gear 2 16 is welded to one end of the rotating rod 17. The bevel gear 2 16 cooperates with the bevel gear 15. The bottom of the mounting frame 9 An installation box 19 is welded to the outer wall of the part, and a rotating rod 22 is rotatably connected to the inner wall of the installation box 19, and a bevel gear 4 26 is welded to one end of the rotating rod 22. A rotating rod 3 23 is rotatably connected to the inner wall of the installation box 19, and a worm gear 24 and a bevel gear 3 25 are connected to the outer side wall of the rotating rod 3 23 through a key. A worm 21 is rotatably connected to the inner wall of the installation box 19, and the worm 21 is meshed with the worm gear 24, and the bevel gear 3 25 is meshed with the bevel gear 4 26. The rotating rod 22 and the inner wall of the rotating rod 17 are slidably connected with a sliding rod 18, a support plate 31 is welded to the outer wall of the top of the placement block 10, and a movable plate 29 is slidably connected to the inner wall of the support plate 31, and a pressure plate 27 is welded to the outer side wall of the other end of the movable plate 29, and a rubber sheet 28 is bonded to the outer wall of the bottom of the pressure plate 27, and the movable plate 29 is connected to the lead screw 13 through a nut;
[0031] When in use, the plate to be bent is placed on the top of the placement block 10, and then the worm 21 can be rotated to drive the worm wheel 24 so that the bevel gear three 25 outside the rotating rod three 23 is meshed, so that the bevel gear four 26 drives the rotating rod two 22 to rotate, and then the sliding rod 18 is connected with the rotating rod one 17 so that the bevel gear two 16 is meshed with the bevel gear one 15 to drive the lead screw 13 on the top of the rotating rod four 36 to rotate, and the movable plate 29 on the inner wall of the support plate 31 slides to make the pressing plate 27 descend, and contact with the plate through the rubber sheet 28 to achieve simultaneous fixation of both sides to avoid deflection. After the fixation is completed, the plate is sent into the feed port 2 through the electromagnetic slide rail sliding installation frame 9 to achieve bending and forming.
[0032] The outer side wall of the installation box 19 is welded with a control panel 20, and the lifting assembly includes a support rod 2 5, a bottom plate 7, and a hydraulic cylinder 8. The bottom plate 7 is welded to the outer side wall of the support rod 2 5, and the support rod 2 5 is welded to the outer wall of the top of the bottom plate 7. The inner wall of the support rod 2 5 is slidably connected with a support rod 1 4, and the top of the support rod 1 4 is connected to the mounting frame 3. The hydraulic cylinder 8 is fixed to the outer wall of the top of the bottom plate 7 by bolts, and the telescopic end of the hydraulic cylinder 8 is connected to a moving frame 6 by a key, and the top of the moving frame 6 is connected to the mounting frame 3;
[0033] The hydraulic cylinder 8 is opened by controlling the control panel 20 , and the hydraulic cylinder 8 lifts the mounting frame 3 through the moving frame 6 to realize the lifting and lowering of the device, so that plates of different thicknesses can be adapted to the feed port 2 .
[0034] The top outer wall of the installation frame 9 is fixed with a motor 11 by bolts, the power output end of the motor 11 is connected with a double-headed screw 12 by a key, and the double-headed screw 12 and the placement block 10 are connected to each other by a nut;
[0035] When in use, the motor 11 can be turned on to drive the double-headed screw 12, so that the positions of the placement blocks 10 can be adjusted to each other. At the same time, the sliding rod 18 between the rotating rod 17 and the rotating rod 22 also slides, and they are used together to clamp plates of different widths.
[0036] Working principle: when in use, place the plate to be bent on the top of the placement block 10, turn on the hydraulic cylinder 8, and the hydraulic cylinder 8 lifts the mounting frame 3 through the moving frame 6 to realize the lifting and lowering of the device, so that plates of different thicknesses can be adapted to the feed port 2, and the motor 11 drives the double-headed screw 12 to adjust the position of the placement block 10 to adapt to plates of different widths. Then, the worm 21 can be rotated to drive the worm wheel 24 to make the bevel gear three 25 outside the rotating rod three 23 mesh so that the bevel gear four 26 drives the rotating rod two 22 to rotate, and then through the connection between the sliding rod 18 and the rotating rod one 17, the bevel gear two 16 is meshed with the bevel gear one 15 to drive the screw 13 at the top of the rotating rod four 36 to rotate, and the moving plate 29 on the inner wall of the support plate 31 slides to make the pressure plate 27 descend, and contact with the plate through the rubber sheet 28 to achieve simultaneous fixation on both sides to avoid deflection. After the fixation is completed, the mounting frame 9 is slid by the electromagnetic slide rail to send the plate into the feed port 2 to achieve bending and forming.
[0037] Embodiment 2:
[0038] An auxiliary positioning device, such as Figure 1-6 As shown; this embodiment makes the following supplements on the basis of embodiment 1: the outer side wall of the support plate 31 is welded with an inner plate 32, the inner wall of the inner plate 32 is slidably connected with an extrusion column 35, the outer side wall of the inner plate 32 is fixed with an outer plate 30 by bolts, the outer side wall of the outer plate 30 is welded with a positioning pin 34, the positioning pin 34 is in contact with the extrusion column 35, and the outer side wall of the outer plate 30 is provided with a scale line 33;
[0039] Working principle: When the plate is placed on the top of the placement block 10, the plate will squeeze the extrusion column 35 to slide in the inner sleeve plate 32, and then the other end of the extrusion column 35 will push out the positioning pin 34. By observing the number of the ejected positioning pins 34 and combining with the scale line 33, the thickness of the plate can be roughly determined and then adjusted.
[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An auxiliary positioning device, comprising a clamping mechanism used in conjunction with a hydraulic CNC bending machine body (1), characterized in that: The clamping mechanism comprises a mounting frame (3) and a lifting assembly. The mounting frame (3) is slidably connected to the outer side wall of the hydraulic CNC bending machine body (1). The top inner wall of the mounting frame (3) is slidably connected to a mounting frame (9) through an electromagnetic slide rail. The inner wall of the mounting frame (9) is slidably connected to a placement block (10). The bottom outer wall of the placement block (10) is fixedly installed with an L-shaped plate (14). The inner wall of the placement block (10) is rotatably connected to a rotating rod four (36). The top outer wall of the rotating rod four (36) is fixedly installed with a lead screw (13). The bottom outer wall of the rotating rod four (36) is fixedly installed with a bevel gear one (15). The inner wall of the L-shaped plate (14) is rotatably connected to a rotating rod one (17). One end of the rotating rod one (17) is fixedly installed with a bevel gear two (16). The bevel gear two (16) cooperates with the bevel gear one (15). The bottom outer wall of the mounting frame (9) is fixedly installed with a lead screw (13). The mounting box (19) is provided with a second rotating rod (22) which is rotatably connected to the inner wall of the mounting box (19), and a fourth bevel gear (26) is fixedly installed on one end of the second rotating rod (22). The mounting box (19) is rotatably connected to a third rotating rod (23), and a worm gear (24) and a third bevel gear (25) are connected to the outer side wall of the third rotating rod (23) through a key. The mounting box (19) is rotatably connected to a worm (21), and the worm (21) is fixedly connected to the inner wall of the worm (21). 21) is meshed with a worm gear (24), the bevel gear three (25) is meshed with a bevel gear four (26), the rotating rod two (22) is slidably connected with the inner wall of the rotating rod one (17) by a sliding rod (18), a support plate (31) is fixedly installed on the outer wall of the top of the placement block (10), the inner wall of the support plate (31) is slidably connected with a moving plate (29), and a pressure plate (27) is fixedly installed on the outer side wall of the other end of the moving plate (29).
2. An auxiliary positioning device according to claim 1, characterized in that: The hydraulic CNC bending machine body (1) is provided with a feed port (2) on the outside, a rubber sheet (28) is fixedly mounted on the outer wall of the bottom of the pressing plate (27), and the movable plate (29) is connected to the lead screw (13) via a nut.
3. An auxiliary positioning device according to claim 2, characterized in that: A control panel (20) is fixedly mounted on the outer side wall of the installation box (19); the lifting assembly comprises a second support rod (5), a bottom plate (7), and a hydraulic cylinder (8); the bottom plate (7) is fixedly mounted on the outer side wall of the second support rod (5).
4. An auxiliary positioning device according to claim 3, characterized in that: The second support rod (5) is fixedly mounted on the top outer wall of the bottom plate (7), the inner wall of the second support rod (5) is slidably connected to the first support rod (4), and the top of the first support rod (4) is connected to the mounting frame (3).
5. An auxiliary positioning device according to claim 4, characterized in that: The hydraulic cylinder (8) is fixedly mounted on the top outer wall of the base plate (7); the telescopic end of the hydraulic cylinder (8) is connected to a moving frame (6) via a key; and the top end of the moving frame (6) is connected to the mounting frame (3).
6. The auxiliary positioning device according to claim 1, characterized in that: A motor (11) is fixedly mounted on the top outer wall of the installation frame (9); a double-headed lead screw (12) is connected to the power output end of the motor (11) via a key; and the double-headed lead screw (12) and the placement block (10) are connected to each other via a nut.
7. The auxiliary positioning device according to claim 1, characterized in that: An inner sleeve plate (32) is fixedly mounted on the outer side wall of the support plate (31), an extrusion column (35) is slidably connected to the inner wall of the inner sleeve plate (32), and an outer sleeve plate (30) is fixedly mounted on the outer side wall of the inner sleeve plate (32).
8. An auxiliary positioning device according to claim 7, characterized in that: A positioning pin (34) is fixedly mounted on the outer side wall of the outer sleeve plate (30), the positioning pin (34) is in contact with an extrusion column (35), and a scale line (33) is provided on the outer side wall of the outer sleeve plate (30).
Citation Information
Patent Citations
Hydraulic numerical control bending machine with auxiliary positioning structure
CN114210777A