Magnetic auxiliary positioning plate of five-axis machining fixing device

Abstract

The utility model discloses a kind of magnetic type auxiliary positioning plate of five-axis machining fixing device, it is related to auxiliary positioning technical field, including positioning plate body, the bottom outer wall of positioning plate body is fixedly connected with shell, the inside of shell is provided with the electromagnetic chuck for keeping stable when fixed clamping plate clamping, the inside of shell is provided with displacement component for adjusting the position of two electromagnetic chuck;The top of positioning plate body is provided with placing groove, the bottom of placing groove is provided with through-type through groove.The utility model has the advantages of auxiliary centering component can realize fixed clamping plate fast and accurate alignment to improve positioning efficiency and accuracy, three electromagnetic chuck of isosceles triangle distribution can enhance fixed clamping plate clamping stability to guarantee machining precision, and displacement component is equipped with flexible adjustment part electromagnetic chuck position to expand the adaptation range to different specifications workpiece, overall realize workpiece positioning efficient, clamping stable, flexible effect of adaptation.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary positioning technology, and in particular to a magnetic auxiliary positioning plate for a five-axis machining fixing device. Background Technology

[0002] In the field of five-axis machining, precise positioning and stable clamping of workpieces are the core prerequisites for ensuring machining accuracy and improving production efficiency. Especially for workpieces with complex curved surfaces and multiple continuous machining processes, the reliability of the positioning device directly affects the dimensional tolerance and surface quality of the final product.

[0003] Currently, most mainstream five-axis machining fixtures in the industry employ mechanical clamping or single magnetic positioning. Mechanical clamping requires manual adjustment of clamping force using bolts, clips, and other components, which is not only cumbersome but also necessitates frequent changes of fixture parts when dealing with workpieces of different sizes and shapes, resulting in poor adaptability. While single magnetic positioning simplifies the operation, it is limited by the fixed distribution of magnetic points, making it difficult to adjust the adsorption position for workpiece center of gravity shifts or irregular contours. Uneven distribution of adsorption force can also lead to micro-displacement of the workpiece during high-speed cutting. Therefore, a magnetic auxiliary positioning plate for five-axis machining fixtures is urgently needed to solve these problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a magnetic auxiliary positioning plate for a five-axis machining fixing device. Its advantages include: an auxiliary centering component that enables rapid and precise alignment of the fixing plate to improve positioning efficiency and accuracy; three electromagnetic chucks arranged in an isosceles triangle to enhance the clamping stability of the fixing plate and ensure machining accuracy; and a displacement component that allows flexible adjustment of the position of some electromagnetic chucks to expand the adaptability to workpieces of different specifications. Overall, it achieves efficient workpiece positioning, stable clamping, and flexible adaptability.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A magnetic auxiliary positioning plate for a five-axis machining fixing device includes a positioning plate body. A housing is fixedly connected to the bottom outer wall of the positioning plate body. An electromagnetic chuck is provided inside the housing to keep the fixing plate stable when clamped. A displacement component is provided inside the housing to adjust the position of the two electromagnetic chucks.

[0007] The top of the positioning plate is provided with a placement groove, and the bottom of the placement groove is provided with a through groove;

[0008] The top of the positioning plate is equipped with an auxiliary centering component to ensure quick alignment when the fixing clamp is placed.

[0009] Through the above technical solutions: the auxiliary centering component can achieve fast and accurate alignment of the fixed clamping plate to improve positioning efficiency and accuracy; the displacement component can flexibly adjust the position of some electromagnetic chucks to expand the adaptability range of workpieces of different specifications; and the overall effect is to achieve efficient workpiece positioning, stable clamping, and flexible adaptation.

[0010] Preferably, the number of electromagnetic chucks is three, and the three electromagnetic chucks are distributed in an isosceles triangle below the fixed clamping plate. The position of two of the electromagnetic chucks can be raised by the displacement component.

[0011] The above technical solution utilizes three electromagnetic chucks arranged in an isosceles triangle. By taking advantage of the geometric property that "three points determine a unique stable plane" of an isosceles triangle, a uniform and symmetrical distribution of adsorption force can be formed from below the fixed clamping plate compared to traditional single-point or two-point magnetic attraction methods. Two of the electromagnetic chucks, whose positions can be adjusted by displacement components, work in conjunction with one fixed electromagnetic chuck. This allows for adjustment of the adsorption point spacing for fixed clamping plates of different sizes, while maintaining a balance of adsorption force. This effectively prevents micro-displacement of the fixed clamping plate during high-speed cutting due to concentration or offset of adsorption force, further ensuring the positional accuracy of the workpiece during processing.

[0012] Preferably, the auxiliary centering component includes a vertical plate fixedly connected to the top outer wall of the positioning plate, a first threaded screw rotatably connected to one side of the vertical plate, a threaded plate threadedly connected to the outer circumference of the first threaded screw, a limiting plate fixedly connected to one side of the threaded plate, and the two ends of the limiting plate slidably connected to the inner walls of the two sides of the through groove.

[0013] The above technical solutions can significantly reduce calibration time and reduce processing deviations caused by alignment errors by using auxiliary alignment components.

[0014] Preferably, a handle is fixedly connected to one end of the first threaded rod.

[0015] The above technical solutions make it easier for people to drive the auxiliary centering components.

[0016] Preferably, the displacement assembly includes a fixed plate fixedly connected inside the housing, a motor fixedly connected to one outer wall of the housing, a second threaded screw fixedly connected to the output end of the motor, a threaded sleeve threadedly connected to the outer circumference of the second threaded screw, a fixed seat rotatably connected to one outer wall of the threaded sleeve, a circular plate rotatably connected to the other end of the fixed seat, a fixed seat fixedly connected to one outer wall of the electromagnetic chuck, a sliding column fixedly connected to the top outer wall of the fixed seat, and the end of the sliding column away from the fixed seat fixedly connected to the circular plate.

[0017] The above technical solution enables precise adjustment of the positions of the two electromagnetic chucks to accommodate fixing plates of different specifications.

[0018] Preferably, the fixed plate has an X-shaped cross-section, a guide groove is provided on one side of the fixed plate, and the sliding column is slidably connected to the fixed plate.

[0019] The above technical solutions provide precise trajectory constraints for the movement of the electromagnetic chuck, ensuring that the electromagnetic chuck always moves in the preset direction during the adjustment process without deviation or jamming, further improving the accuracy of displacement adjustment and ensuring that the three electromagnetic chucks always maintain an isosceles triangle distribution.

[0020] Preferably, an electromagnetic chuck is fixedly connected to the middle of the fixed plate.

[0021] The above technical solution ensures that the relative positions of the three electromagnetic chucks always conform to the distribution requirements of an isosceles triangle, with the centrally fixed electromagnetic chuck as the center.

[0022] Preferably, guide posts are fixedly connected to the inner walls of both sides of the housing, and guide cylinders are sleeved on the outer circumferential walls of the guide posts, with the guide cylinders being fixedly connected to the threaded sleeves.

[0023] The above technical solution ensures the stability of the displacement component's operation by allowing the guide cylinder to slide on the outer wall of the guide column, thereby guaranteeing the accuracy of the electromagnetic chuck's position adjustment.

[0024] The beneficial effects of this utility model are as follows:

[0025] 1. This utility model, by setting an auxiliary centering component, can drive the threaded plate and the limiting plate on one side to slide along the inner wall of the through groove when the handle is turned, so as to accurately limit the position of the fixed clamping plate. This effectively solves the problems of time-consuming and large error caused by repeated manual calibration in traditional positioning, allowing the fixed clamping plate to quickly achieve accurate alignment, greatly shortening the positioning time, reducing the risk of rework caused by the offset of the positioning reference, and significantly improving the efficiency and accuracy of workpiece positioning.

[0026] 2. This utility model device uses three electromagnetic chucks arranged in an isosceles triangle. The isosceles triangle structure has stable three-point support characteristics. Compared with the traditional single-point or two-point fixing method, it can make the force on the fixed clamping plate more uniform when clamping the workpiece, and avoid the workpiece micro-displacement caused by uneven distribution of adsorption force during high-speed cutting. At the same time, the electromagnetic chuck can provide stable adsorption force, further enhancing the clamping stability of the fixed clamping plate on the workpiece, providing a strong guarantee for the high precision requirements of five-axis machining, and effectively reducing the workpiece size deviation problem caused by unstable clamping.

[0027] 3. In this utility model, the positions of the two electromagnetic chucks can be flexibly adjusted by the displacement component inside the housing. Specifically, the second threaded screw is driven by a motor to rotate, which drives the threaded sleeve to move smoothly along the guide post. Then, the electromagnetic chuck is driven to slide obliquely along the guide groove of the X-shaped fixed plate through the fixed seat, circular plate and sliding column. With the electromagnetic chuck fixed in the middle, the magnetic attraction point distribution can be optimized according to the clamping requirements of workpieces of different thicknesses and shapes. Thus, it can effectively fix fixed clamps of different specifications, which greatly improves the versatility and applicability of the device. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of the magnetic auxiliary positioning plate of the five-axis machining fixing device proposed in this utility model;

[0029] Figure 2 This is a schematic diagram of the overall structure of the magnetic auxiliary positioning plate fixing clamp of the five-axis machining fixing device proposed in this utility model after disassembly.

[0030] Figure 3 This utility model proposes a magnetic auxiliary positioning plate for a five-axis machining fixing device. Figure 2 Enlarged structural diagram at point A;

[0031] Figure 4 This is a schematic diagram of the internal structure of the magnetic auxiliary positioning plate of a five-axis machining fixing device proposed in this utility model.

[0032] Figure 5 This utility model proposes a magnetic auxiliary positioning plate for a five-axis machining fixing device. Figure 4 A magnified structural diagram at point B in the middle.

[0033] In the diagram: 1. Positioning plate; 2. Housing; 3. Fixing clamp; 4. Placement slot; 5. Through slot; 6. Vertical plate; 7. Handle; 8. First threaded rod; 9. Threaded plate; 10. Limiting plate; 11. Electromagnetic chuck; 12. Fixing plate; 13. Guide slot; 14. Threaded sleeve; 15. Second threaded rod; 16. Guide column; 17. Fixing seat; 18. Circular plate; 19. Guide cylinder; 20. Motor; 21. Sliding column. Detailed Implementation

[0034] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0035] Reference Figures 1-5A magnetic auxiliary positioning plate for a five-axis machining fixing device includes a positioning plate body 1, a housing 2 fixedly connected to the bottom outer wall of the positioning plate body 1, an electromagnetic chuck 11 for keeping the fixing clamp 3 stable when clamped inside the housing 2, and a displacement component for adjusting the position of the two electromagnetic chucks 11 inside the housing 2.

[0036] The top of the positioning plate 1 is provided with a placement groove 4, and the bottom of the placement groove 4 is provided with a through groove 5. The through groove 5 at the bottom of the placement groove 4 provides a channel for the movement of the subsequent auxiliary centering component, and on the other hand, it can avoid the inconvenience of picking up and putting down caused by the bottom of the fixing clamp 3 being too close to the inner wall of the placement groove 4.

[0037] The top of the positioning plate 1 is equipped with an auxiliary centering component to ensure quick alignment when the fixed clamping plate 3 is placed. The placement groove 4 on the top of the positioning plate 1 provides an initial placement space for the fixed clamping plate 3, ensuring that the fixed clamping plate 3 will not shift laterally during initial positioning. At the same time, the housing 2 at the bottom of the positioning plate 1 provides a closed protective space for the electromagnetic chuck 11 and the displacement component, preventing cutting chips and coolant from entering the interior and affecting the operation of the components during processing. Meanwhile, the rigid structure of the housing 2 can also enhance the stability of the overall device and provide basic support for accurate positioning.

[0038] To improve the magnetic fixation effect of the fixing plate 3, refer to the attached... Figure 2 There are three electromagnetic chucks 11, which are arranged in an isosceles triangle below the fixed clamping plate 3. The position of two of the electromagnetic chucks 11 can be raised by the displacement component. The three electromagnetic chucks 11 arranged in an isosceles triangle utilize the geometric property of "three points determine a unique stable plane" of the isosceles triangle. Compared with the traditional single-point or two-point magnetic attraction method, it can form a uniform and symmetrical attraction force distribution from below the fixed clamping plate 3. The two electromagnetic chucks 11 whose positions can be adjusted by the displacement component cooperate with the fixed electromagnetic chuck 11. This can not only adjust the spacing of the attraction points for fixed clamping plates 3 of different sizes, but also maintain the balance of attraction force at all times. This effectively avoids the micro-displacement of fixed clamping plate 3 during high-speed cutting due to concentration or offset of attraction force, and further ensures the positional accuracy of workpiece processing.

[0039] To significantly reduce calibration time and minimize machining deviations caused by alignment errors, please refer to the appendix. Figures 1-2The auxiliary centering component includes a vertical plate 6 fixedly connected to the top outer wall of the positioning plate 1. A first threaded screw 8 is rotatably connected to one side of the vertical plate 6. A threaded plate 9 is threadedly connected to the outer circumference of the first threaded screw 8. A limiting plate 10 is fixedly connected to one side of the threaded plate 9. The two ends of the limiting plate 10 are slidably connected to the inner walls of the two sides of the through groove 5. When the handle 7 is rotated to drive the first threaded screw 8 to rotate, the threaded plate 9 threadedly connected to the first threaded screw 8 will translate along the screw axis, thereby driving the limiting plate 10 on one side of the threaded plate 9 to slide along the inner walls of the two sides of the through groove 5. At the same time, the limiting plate 10 can directly contact the side of the fixed clamping plate 3. By adjusting the distance between the two limiting plates 10, the fixed clamping plate 3 can be quickly aligned to the center reference position of the positioning plate 1, replacing the traditional manual eye alignment method.

[0040] To make it easier for people to drive the centering assist component, please refer to the appendix. Figures 1-4 One end of the first threaded screw 8 is fixedly connected to a handle 7, which allows the operator to easily rotate the first threaded screw 8 without the need for additional tools, thus reducing the difficulty of the auxiliary centering operation.

[0041] To achieve rapid adjustment of the positions of the two electromagnetic chucks 11, refer to the attached diagram. Figures 2-5 The displacement assembly includes a fixed plate 12 fixedly connected inside the housing 2. A motor 20 is fixedly connected to one outer wall of the housing 2. A second threaded screw 15 is fixedly connected to the output end of the motor 20. A threaded sleeve 14 is threadedly connected to the outer circumference of the second threaded screw 15. A fixed seat 17 is rotatably connected to one outer wall of the threaded sleeve 14. A circular plate 18 is rotatably connected to the other end of the fixed seat 17. A fixed seat 17 is fixedly connected to one outer wall of the electromagnetic chuck 11. A sliding column 21 is fixedly connected to the top outer wall of the fixed seat 17. The end of the sliding column 21 away from the fixed seat 17 is fixedly connected to the circular plate 18. The fixed plate 12 in the displacement assembly is fixedly connected to the housing 2. Plate 12 provides the mounting and guiding foundation for electromagnetic chuck 11. Motor 20 serves as the power source, driving the second threaded screw 15 to rotate stably. The threaded sleeve 14, which is threadedly connected to the second threaded screw 15, moves axially when the screw rotates and drives the circular plate 18 to move synchronously through the fixed seats 17 connected to both sides. At the same time, the circular plate 18 is connected to the fixed seat 17 on one side of the electromagnetic chuck 11 through the sliding column 21. Finally, the linear motion of the threaded sleeve 14 is converted into the sliding of the electromagnetic chuck 11 along the fixed plate 12, realizing the precise adjustment of the position of the two electromagnetic chucks 11 to adapt to the fixed clamps 3 of different specifications.

[0042] To ensure that the three electromagnetic chucks 11 always maintain an isosceles triangular distribution, refer to the attached diagram. Figures 2-3The fixed plate 12 has an X-shaped cross-section. A guide groove 13 is provided on one side of the fixed plate 12. The sliding column 21 is slidably connected to the fixed plate 12. The guide groove 13 on one side of the fixed plate 12 and the sliding column 21 are slidably engaged, providing precise trajectory constraints for the movement of the electromagnetic chuck 11. This ensures that the electromagnetic chuck 11 always moves along the preset direction during the adjustment process without deviation or jamming, further improving the accuracy of displacement adjustment and ensuring that the three electromagnetic chucks 11 always maintain an isosceles triangle distribution.

[0043] To avoid confusion in positioning due to the fact that all three suction cups are movable, and to further improve the stability and consistency of suction positioning, please refer to the attached document. Figure 2 An electromagnetic chuck 11 is fixedly connected to the middle of the fixed plate 12. When adjusting the positions of the other two electromagnetic chucks 11, the electromagnetic chuck 11 fixed in the middle can always be used as the center to ensure that the relative positions of the three electromagnetic chucks 11 always meet the distribution requirements of an isosceles triangle.

[0044] To ensure proper guidance and limiting of the horizontal movement of the threaded sleeve 14, please refer to the attached document. Figures 4-5 Guide posts 16 are fixedly connected to the inner walls on both sides of the housing 2. Guide cylinders 19 are sleeved on the outer circumference of the guide posts 16. The guide cylinders 19 are fixedly connected to the threaded sleeves 14. By sliding the guide cylinders 19 on the outer wall of the guide posts 16, the stability of the displacement component can be ensured, thereby ensuring the accuracy of the position adjustment of the electromagnetic chuck 11.

[0045] Working principle: During operation, the workpiece to be processed and the fixed clamping plate 3 are first placed into the placement groove 4 at the top of the positioning plate 1. Then, the auxiliary centering component is used to complete the quick alignment operation. That is, the handle 7 at one end of the first threaded screw 8, which is rotatably connected to the vertical plate 6, is rotated, which drives the threaded plate 9 on the outer circumference of the first threaded screw 8 to move. This causes the limiting plate 10 on one side of the threaded plate 9 to slide along the inner wall of the through groove 5, thereby accurately defining the position of the fixed clamping plate 3. This effectively solves the problems of long alignment time and low accuracy in the traditional positioning process, and greatly improves the positioning efficiency and accuracy.

[0046] Once the alignment is complete, the electromagnetic chucks 11 inside the housing 2 are activated. The three electromagnetic chucks 11 are arranged in an isosceles triangle below the fixed clamping plate 3. The structural characteristics of the isosceles triangle can provide stable three-point support. Compared with the traditional single-point or two-point fixing method, it significantly enhances the stability of the fixed clamping plate 3 when clamping the workpiece, avoids workpiece displacement due to unstable clamping during processing, and ensures processing accuracy.

[0047] When it is necessary to adapt to workpieces of different thicknesses or shapes, the displacement component begins to function. The motor 20 on one side of the housing 2 drives the second threaded screw 15 at the output end to rotate, causing the threaded sleeve 14 on the outer circumference of the second threaded screw 15 to move smoothly along the guide cylinder 19 on the guide post 16. The cooperation between the guide post 16 and the guide cylinder 19 can prevent the threaded sleeve 14 from rotating during the movement, ensuring its movement direction is accurate. At the same time, the threaded sleeve 14 drives the sliding column 21 on the fixed seat 17 on one side of the electromagnetic chuck 11 to slide obliquely along the guide groove 13 of the X-shaped fixed plate 12 through the fixed seat 17 and the circular plate 18, thereby realizing the adjustment of the position of two of the electromagnetic chucks 11. The third electromagnetic chuck 11 is fixed in the middle of the fixed plate 12 as a stable reference point. This adjustment method not only expands the device's adaptation range to different fixed clamping plates 3, but also further improves the stability of the magnetic attraction of the fixed clamping plate 3 by accurately adjusting the position of the electromagnetic chuck 11. Overall, it achieves the effects of efficient workpiece positioning, stable clamping, and flexible adaptation.

[0048] 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 magnetic auxiliary positioning plate for a five-axis machining fixing device, comprising a positioning plate body (1), characterized in that, The bottom outer wall of the positioning plate (1) is fixedly connected to a housing (2). The housing (2) is provided with an electromagnetic chuck (11) for keeping the fixed clamping plate (3) stable when clamped. The housing (2) is also provided with a displacement component for adjusting the position of the two electromagnetic chucks (11). The top of the positioning plate (1) is provided with a placement groove (4), and the bottom of the placement groove (4) is provided with a through groove (5). The top of the positioning plate (1) is provided with an auxiliary centering component to ensure quick alignment when the fixing clamp (3) is placed.

2. The magnetic auxiliary positioning plate of the five-axis machining fixing device according to claim 1, characterized in that, The number of electromagnetic chucks (11) is three. The three electromagnetic chucks (11) are arranged in an isosceles triangle below the fixed clamp (3). The position of two of the electromagnetic chucks (11) can be raised by the displacement component.

3. The magnetic auxiliary positioning plate of a five-axis machining fixing device according to claim 2, characterized in that, The auxiliary centering component includes a vertical plate (6) fixedly connected to the top outer wall of the positioning plate (1). A first threaded screw (8) is rotatably connected to one side of the vertical plate (6). A threaded plate (9) is threadedly connected to the outer circumference of the first threaded screw (8). A limiting plate (10) is fixedly connected to one side of the threaded plate (9). The two ends of the limiting plate (10) are slidably connected to the inner walls of both sides of the through groove (5).

4. The magnetic auxiliary positioning plate of a five-axis machining fixing device according to claim 3, characterized in that, A handle (7) is fixedly connected to one end of the first threaded screw (8).

5. The magnetic auxiliary positioning plate of a five-axis machining fixing device according to claim 4, characterized in that, The displacement assembly includes a fixed plate (12) fixedly connected inside the housing (2). A motor (20) is fixedly connected to one side of the outer wall of the housing (2). A second threaded screw (15) is fixedly connected to the output end of the motor (20). A threaded sleeve (14) is threadedly connected to the outer circumference of the second threaded screw (15). A fixed seat (17) is rotatably connected to one side of the outer wall of the threaded sleeve (14). A circular plate (18) is rotatably connected to the other end of the fixed seat (17). A fixed seat (17) is fixedly connected to one side of the outer wall of the electromagnetic chuck (11). A sliding column (21) is fixedly connected to the top outer wall of the fixed seat (17). The end of the sliding column (21) away from the fixed seat (17) is fixedly connected to the circular plate (18).

6. The magnetic auxiliary positioning plate of the five-axis machining fixing device according to claim 5, characterized in that, The fixed plate (12) has an X-shaped cross-section, and a guide groove (13) is provided on one side of the fixed plate (12). The sliding column (21) is slidably connected to the fixed plate (12).

7. The magnetic auxiliary positioning plate of a five-axis machining fixing device according to claim 6, characterized in that, An electromagnetic chuck (11) is fixedly connected to the middle of the fixed plate (12).

8. The magnetic auxiliary positioning plate of a five-axis machining fixing device according to claim 7, characterized in that, Guide posts (16) are fixedly connected to the inner walls of both sides of the housing (2). A guide cylinder (19) is sleeved on the outer circumference of the guide post (16). The guide cylinder (19) is fixedly connected to the threaded sleeve (14).

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