Buffer adjusting device for lead screw of main shaft of pure electric bending machine
By introducing a buffer adjustment device into the pure electric bending machine, and utilizing the combined structure of the upper concave pad, the lower spherical pad, and the disc spring, the problem of ball screw damage caused by mechanical or electrical failures is solved, thus achieving equipment durability and cost-effectiveness.
Patent Information
- Application Number
- CN202422842755.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-11-21
AI Technical Summary
During the bending process, pure electric bending machines may experience problems such as the upper slider tilting or being overloaded due to mechanical or electrical faults, resulting in the breakage or damage of the ball screw.
The device employs a buffer adjustment mechanism, which consists of a combination of a main spindle ball screw, a screw nut, a nut seat, an upper concave pad, a lower spherical pad, and a disc spring. The buffer unit connects the screw nut and the nut seat, increasing the range of motion and reducing the risk of jamming. The double-ended stud and disc spring bear the load, thus providing a buffering and shock absorption effect.
It effectively protects the main spindle ball screw, reduces breakage and damage, lowers maintenance frequency, reduces replacement costs, and improves equipment durability.
Smart Images
Figure CN223475980U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of buffer adjustment devices, specifically a buffer adjustment device for the main spindle screw of a pure electric bending machine. Background Technology
[0002] A bending machine is a machine capable of bending thin plates. Its main structure includes a support frame, a worktable, and a clamping plate. The worktable is placed on the support frame and consists of a base and a pressure plate. The base is connected to the clamping plate via a hinge. The base consists of a housing, a coil, and a cover plate. The coil is placed in a recess in the housing, and the top of the recess is covered by the cover plate. During operation, the coil is energized by a wire, which generates an attractive force on the pressure plate, thereby clamping the thin plate between the pressure plate and the base. Because electromagnetic force clamping is used, the pressure plate can be made to meet various workpiece requirements, and workpieces with side walls can be processed. Operation is also very simple.
[0003] However, in general pure electric bending machines, the upper slider and the lead screw are directly connected. If the upper slider tilts to the left or right or is unbalanced due to mechanical or electrical faults during the bending process, the ball screw will be stressed, causing it to break or be damaged. Utility Model Content
[0004] The purpose of this utility model is to provide a buffer adjustment device for the main spindle screw of a pure electric bending machine, in order to solve the problem that the ball screw will be stressed and broken or damaged if the upper slider tilts left or right or is unbalanced due to mechanical or electrical failures during the bending process.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a buffer adjustment device for the main shaft lead screw of a pure electric bending machine, including a main shaft ball screw, a lead screw nut connected to the outer wall of the main shaft ball screw, a nut seat provided below the lead screw nut, and the lead screw nut being hinged to the nut seat through a connecting unit;
[0006] The connecting unit includes an upper concave pad and a lower spherical pad. The upper concave pad is fixedly connected to the bottom end of the lead screw nut, and the lower spherical pad is disposed between the upper concave pad and the nut seat. The upper concave pad is connected to the nut seat through a buffer unit.
[0007] As a further embodiment of this utility model: the buffer unit includes a double-ended stud, the upper concave pad is connected to the nut seat through the double-ended stud, and an array of butterfly springs is installed at the front end of the double-ended stud.
[0008] As a further embodiment of this utility model: the outer wall of the nut seat is symmetrically fixedly connected with side plates, and the side plates are located on both sides of the upper concave pad.
[0009] As a further improvement of this utility model: a movable groove is formed between the nut seat and the two side plates, and the inner wall of the movable groove is in contact with the outer wall of the upper concave pad.
[0010] As a further improvement of this utility model, the top of the nut seat is provided with a threaded hole for installing the double-ended stud.
[0011] As a further improvement of this utility model: the bottom concave surface of the upper concave pad is in contact with the top spherical surface of the lower spherical pad.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. By setting an upper concave pad and a lower spherical pad, the lead screw nut is hinged to the nut seat through the upper concave pad and the lower spherical pad. An additional lower spherical pad is added between the nut seat and the upper concave pad and connected together by a double-ended stud and multiple sets of butterfly springs. When the slider moves up and down, this connecting device allows the lead screw nut to have a certain amount of movement in the left and right directions, avoiding jamming of the lead screw nut, thereby reducing damage to the main spindle ball screw, preventing the main spindle ball screw from breaking, avoiding the high cost of replacing the main spindle ball screw, and reducing the frequency of maintenance.
[0014] 2. By setting up double-ended studs and butterfly springs, it can withstand extremely high loads in the stacked combination state, and it is highly durable and can withstand loads for a long time. It plays a role in buffering and shock absorption during the movement of the main spindle ball screw, effectively protecting the main spindle ball screw. Attached Figure Description
[0015] Figure 1 It is a structural diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the installation of the stud and the disc spring of this utility model;
[0017] Figure 3 This is a cross-sectional view of the upper concave pad and the lower spherical pad of this utility model;
[0018] Figure 4 For the utility model Figure 3 Enlarged view of point A in the middle.
[0019] In the diagram: 1. Main spindle ball screw; 2. Screw nut; 3. Nut seat; 4. Upper concave pad; 5. Lower spherical pad; 6. Double-ended stud; 7. Disc spring; 8. Side plate. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figures 1-4 In this embodiment of the present invention, a buffer adjustment device for the main shaft lead screw of a pure electric bending machine includes a main shaft ball screw 1, a lead screw nut 2 connected to the outer wall of the main shaft ball screw 1, a nut seat 3 provided below the lead screw nut 2, and the lead screw nut 2 hinged to the nut seat 3 through a connecting unit; the connecting unit includes an upper concave pad 4 and a lower spherical pad 5, the upper concave pad 4 is fixedly connected to the bottom end of the lead screw nut 2, the lower spherical pad 5 is disposed between the upper concave pad 4 and the nut seat 3, the upper concave pad 4 is connected to the nut seat 3 through a buffer unit, the buffer unit includes a double-ended stud 6, the upper concave pad 4 is connected to the nut seat 3 through the double-ended stud 6, and an array of disc springs 7 are installed at the front end of the double-ended stud 6.
[0022] In this embodiment: the lead screw nut 2 is hinged to the nut seat 3 through the upper concave pad 4 and the lower spherical pad 5. A lower spherical pad 5 is added between the nut seat 3 and the upper concave pad 4 and connected together by a double-ended stud 6 and multiple sets of butterfly springs 7. When the slider moves up and down, this connecting device allows the lead screw nut 2 to have a certain amount of movement in the left and right directions, avoiding jamming of the lead screw nut 2, thereby reducing damage to the main spindle ball screw 1, preventing the main spindle ball screw 1 from breaking, avoiding the high cost of replacing the main spindle ball screw 1, and reducing the maintenance frequency.
[0023] Additionally, a double-ended stud 6 is provided at the concave pad 4. The front end of the double-ended stud 6 is equipped with an array of butterfly springs 7. When stacked, these springs can withstand extremely high loads and are highly durable, capable of bearing loads for a long time. They play a role in buffering and shock absorption during the movement of the main spindle ball screw 1, effectively protecting the main spindle ball screw 1.
[0024] Please refer to this carefully. Figures 3-4 The outer wall of the nut seat 3 is symmetrically fixed with side plates 8. The side plates 8 are located on both sides of the upper concave pad 4. A movable groove is formed between the nut seat 3 and the two side plates 8. The inner wall of the movable groove is in contact with the outer wall of the upper concave pad 4.
[0025] In this embodiment, the two side plates 8 are used to limit the movement direction of the concave pad 4, so that the concave pad 4 can only tilt in the left and right directions.
[0026] Please refer to this carefully. Figures 2-4The top of the nut seat 3 has a threaded hole for installing the double-ended stud 6.
[0027] In this embodiment: the double-ended stud 6 is used to connect the concave pad 4 and the nut seat 3, and the threaded hole is for the double-ended stud 6 to make the connection.
[0028] Please refer to this carefully. Figures 3-4 The bottom concave surface of the upper concave pad 4 is in contact with the top spherical surface of the lower spherical pad 5.
[0029] In this embodiment, the lead screw nut 2 is hinged to the nut seat 3 via the upper concave pad 4 and the lower spherical pad 5, and the upper concave pad 4 and the lower spherical pad 5 can rotate.
[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A buffer adjustment device for the main shaft lead screw of a pure electric bending machine, comprising a main shaft ball screw (1), wherein a lead screw nut (2) is connected to the outer wall of the main shaft ball screw (1), characterized in that, A nut seat (3) is provided below the lead screw nut (2), and the lead screw nut (2) is hinged to the nut seat (3) through a connecting unit; The connecting unit includes an upper concave pad (4) and a lower spherical pad (5). The upper concave pad (4) is fixedly connected to the bottom end of the lead screw nut (2). The lower spherical pad (5) is disposed between the upper concave pad (4) and the nut seat (3). The upper concave pad (4) is connected to the nut seat (3) through a buffer unit.
2. The buffer adjustment device for the main spindle screw of a pure electric bending machine according to claim 1, characterized in that, The buffer unit includes a double-ended stud (6), the upper concave pad (4) is connected to the nut seat (3) through the double-ended stud (6), and an array of butterfly springs (7) are installed at the front end of the double-ended stud (6).
3. The buffer adjustment device for the main spindle screw of a pure electric bending machine according to claim 1, characterized in that, The outer wall of the nut seat (3) is symmetrically fixed with side plates (8), which are located on both sides of the upper concave pad (4).
4. The buffer adjustment device for the main spindle screw of a pure electric bending machine according to claim 3, characterized in that, A movable groove is formed between the nut seat (3) and the two side plates (8), and the inner wall of the movable groove is in contact with the outer wall of the upper concave pad (4).
5. A buffer adjustment device for the main spindle screw of a pure electric bending machine according to claim 2, characterized in that, The top of the nut seat (3) has a threaded hole for installing the double-ended stud (6).
6. The buffer adjustment device for the main spindle screw of a pure electric bending machine according to claim 1, characterized in that, The bottom concave surface of the upper concave pad (4) is in contact with the top spherical surface of the lower spherical pad (5).