Multi-angle grinding device for machine tool accessory machining

Abstract

The invention discloses a multi-angle grinding device for machine tool accessory machining, and relates to the technical field of grinding devices.The multi-angle grinding device comprises a grinding device body, a fixing base is installed on the bottom wall of the grinding device body, a multi-angle fixing assembly is installed at the top of the fixing base, and a self-adaptive supporting assembly is connected to the top of the multi-angle fixing assembly; the self-adaptive supporting assembly comprises a first elastic buffering cushion connected to the top of the multi-angle fixing assembly, and a shape memory alloy wire is arranged in the first elastic buffering cushion. The top of the first elastic buffering cushion is connected with a supporting column, one end of the memory alloy wire is fixed to the bottom of the supporting column, and the top of the supporting column is connected with a second elastic buffering cushion. The top of the second elastic buffering cushion is connected with a magnetic attraction type flexible clamp assembly. By installing the self-adaptive supporting assembly, the problems that due to the fact that a traditional supporting structure is difficult to adapt to the shapes of complex accessories, supporting is not stable, and the machining precision is affected can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of grinding devices, and specifically to a multi-angle grinding device for machining machine tool accessories. Background Art

[0002] Traditional grinding devices automatically adjust the support structure according to the complex shape of machine tool accessories, and cannot provide stable and fitting support for accessories with various shapes. As a result, during the machining process, the accessories are prone to displacement or shaking due to unstable support, which seriously affects the machining accuracy, making it difficult for the machined products to meet the high-precision quality standards. The grinding device of the present application can solve the problems that the traditional support structure is difficult to adapt to the complex shape of accessories, resulting in unstable support and affected machining accuracy.

[0003] The defects of existing grinding devices are as follows: Patent document CN109318123B discloses a cross shaft grinding and clamping device. This document mainly considers the problem that since the cross shaft has four shafts, it is time-consuming and laborious to manually replace each shaft after single-shaft grinding and machining, which affects the work efficiency, and does not consider how to solve the problems that the traditional support structure is difficult to adapt to the complex shape of accessories, resulting in unstable support and affected machining accuracy; Patent document CN106737181B discloses an automatic grinding fixture for a numerically controlled machine tool. This document mainly considers the problem that the fixture requires workers to clamp each piece individually and adjust the workpiece positioning, which is time-consuming and laborious, and more importantly, it leads to machining errors due to individual differences, and does not consider how to solve the problems that the residual and scattered grinding debris pollute the working environment, affect the equipment life, and result in insufficient machining accuracy; Patent document CN113043156B discloses a grinding device. This document mainly considers the problem of how to complete the grinding and machining of all wafers in the box without replacing the grinding tool, and does not consider how to solve the problems that the traditional fixture cannot firmly clamp accessories with complex shapes due to its single structural rigidity and clamping method, resulting in easy displacement of the accessories during the machining process and poor machining quality; Patent document CN110125792B discloses a grinding device. This document mainly considers the problem of how to cool the grinding tool to ensure that no grinding defects such as peeling holes occur on the ground surface when using the grinding device to grind the workpiece, and does not consider how to solve the problems that the traditional adjustment method has low accuracy, is difficult to meet the requirements of precise adjustment of the position and angle of accessories for high-precision machining, and thus affects the machining quality and efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide a multi-angle grinding device for machining machine tool accessories to solve the problems raised in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solutions: A multi-angle grinding device for machining machine tool accessories, including a grinding device main body. A fixed seat is installed on the bottom wall of the grinding device main body, and a multi-angle fixing component is installed on the top of the fixed seat. The multi-angle fixing component is used to adjust the angle of the machine tool accessories during processing; The top of the multi-angle fixing component is connected with an adaptive support component, and the adaptive support component is used to adjust the support strength of the machine tool accessories; The adaptive support component includes an elastic buffer pad one connected to the top of the multi-angle fixing component, and a shape memory alloy wire is arranged inside the elastic buffer pad one; The top of the elastic buffer pad one is connected with a support column, and one end of the memory alloy wire is fixed to the bottom of the support column. The top of the support column is connected with an elastic buffer pad two; The top of the elastic buffer pad two is connected with a magnetic adsorption type flexible fixture component, and the magnetic adsorption type flexible fixture component is used to clamp the machine tool accessories.

[0006] Preferably, a collection groove is installed on the bottom wall of the grinding device main body, and the collection groove is located outside the fixed seat; A fixed top plate is installed between the side walls of the grinding device main body. A hydraulic rod is installed through the inside of the fixed top plate. The bottom of the hydraulic rod is installed with a movable plate, and the bottom of the movable plate is connected with a protective cover. A grinding wheel is connected inside the protective cover.

[0007] Preferably, the magnetic adsorption type flexible fixture component includes clamps symmetrically connected to the top of the elastic buffer pad two. Electric telescopic rods are connected to the front and back of the clamps. The output ends of the electric telescopic rods are connected with adjusting plates. A bottom support plate is connected to the back of the adjusting plate on the front of the clamp and the front of the adjusting plate on the back of the clamp, and the bottom support plate penetrates through the clamp.

[0008] Preferably, the multi-angle fixing component includes left and right fixing plates symmetrically installed on the top of the fixed seat. A left and right adjusting base is installed in the middle of the two groups of left and right fixing plates. A left and right adjusting shaft is installed through the inside of the left and right adjusting base and the two groups of left and right fixing plates. Adjusting handles one are installed on the front and back of the left and right adjusting shaft; Front and back fixing plates are installed on both sides of the left and right adjusting base. A front and back adjusting base is installed in the middle of the two groups of front and back fixing plates. A front and back adjusting shaft is installed through the inside of the front and back adjusting base and the two groups of front and back fixing plates. Adjusting handles two are installed on both sides of the front and back adjusting shaft.

[0009] Preferably, scale lines one are provided on the front and back of the left and right adjusting base, and scale lines two are provided on both sides of the front and back adjusting base.

[0010] Preferably, a servo motor is provided inside the front-back adjustment base, and a rotating seat is installed at the output end of the servo motor, and the rotating seat is located above the front-back adjustment base.

[0011] Preferably, elastic rubber pads are connected to the mutually approaching surfaces of the clamps and the mutually approaching surfaces of the bottom support plate and the clamps, and protrusions are uniformly arranged on the surfaces of the elastic rubber pads; The clamp is made of a flexible magnetic material, and a plurality of independently controllable electromagnetic coils are embedded inside the clamp.

[0012] Preferably, sliding columns are installed at the bottom of the fixed top plate, and the sliding columns are located outside the hydraulic rods. The sliding columns penetrate through the movable plate, and the bottom ends of the sliding columns are connected to the bottom wall of the grinding device main body; The front surface of the grinding device main body is connected with double-opening doors through hinges. A handle is connected to the front surface of the double-opening doors, and an observation window is arranged on the front surface of the double-opening doors.

[0013] Preferably, the usage method of the multi-angle grinding device is as follows: S1. Adjust the clamp to the clamping position through the multi-angle fixing component; S2. Clamp the machine tool accessories by using the magnetic adsorption type flexible clamp component, and at the same time start the electromagnetic coil to enhance the adsorption and fixation; S3. Adjust the hydraulic rod to control the descending height and pressure of the grinding wheel, set the rotation speed of the grinding wheel, and perform grinding operations; S4. During the grinding process, adjust the position of the machine tool accessories through the multi-angle fixing component to complete grinding at different angles.

[0014] Preferably, in S1, the following steps are further included: S11. According to the shape of the workpiece, utilize the shape recovery characteristics of the shape memory alloy wire at different temperatures to perform preheating or precooling treatment on the first elastic buffer pad, so that the first elastic buffer pad is preformed into an initial shape adapted to the bottom contour of the workpiece; S12. Rotate the first adjustment handle. Through the transmission cooperation of the left-right adjustment shaft with the left-right fixing plates and the left-right adjustment bases, adjust the horizontal position of the left-right adjustment bases according to the indication of the first scale line, and initially determine the horizontal transverse placement coordinates of the workpiece. Similarly, rotate the second adjustment handle, and with the aid of the transmission structure of the front-back adjustment shaft with the front-back fixing plates and the front-back adjustment bases, adjust the position of the workpiece in the horizontal longitudinal direction with reference to the second scale line; S13. Turn on the servo motor inside the front-back adjustment base to drive the rotating seat to rotate, and adjust the magnetic adsorption type flexible clamp component to an angular position that meets the machining angle requirements of the workpiece.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. The present invention provides an elastic buffer pad 1 containing shape memory alloy wire in an adaptive support component, and the elastic buffer pad 1 is connected to a support column, and an elastic buffer pad 2 is provided on the top of the support column, thereby achieving the effect of pre-adjusting the support structure according to the shape of the workpiece and providing flexible support. The shape memory alloy wire can quickly and accurately restore the preset shape under temperature stimulation. In the prior art, the support structure is often fixed or simply adjustable, and it is difficult to adapt to the complex and changeable shapes of accessories. The elastic buffer pad 1 of the present invention can be molded into an adaptive initial shape in advance according to the shape of the accessory by controlling the temperature of the shape memory alloy wire before processing, which greatly improves the adaptability of the support to machine tool accessories of different shapes. During the processing, the flexible characteristics of the elastic buffer pad 1 and the elastic buffer pad 2 can effectively disperse the pressure on the accessories, avoid stress concentration, and enhance the support stability. Therefore, it can solve the problem that the traditional support structure is difficult to adapt to the complex shape of accessories, resulting in unstable support and affected processing accuracy.

[0016] 2. The present invention achieves effective collection of grinding debris by installing a collecting trough on the bottom wall of the grinding device body, and arranging a fixed top plate, a hydraulic rod, a movable plate, a protective cover and a grinding wheel between the side walls. Compared with the prior art, the design of the collecting trough is not a simple receiving structure, but adopts an inclination angle and a surface material. The inclination angle can guide the debris to quickly slide to the collection area under the action of gravity, reducing the residual debris in the device. The surface material has a certain adsorption capacity, which can further adsorb tiny debris and prevent it from dispersing, greatly improving the cleanliness of the processing environment. Therefore, it can solve the problem of residual and dispersing grinding debris, polluting the working environment, affecting the life of equipment, and causing insufficient processing accuracy.

[0017] 3. The present invention realizes the flexible clamping and flexible adjustable magnetic adsorption fixation of machine tool accessories by setting a magnetic adsorption type flexible fixture assembly made of flexible magnetic materials, with multiple independently controllable electromagnetic coils embedded inside, and equipped with electric telescopic rods, adjusting plates and bottom support plates. Compared with the prior art, the application of flexible magnetic materials is a major breakthrough. It can maintain a certain flexibility under normal conditions, conform to the surfaces of accessories with different shapes, and can generate magnetic force when the electromagnetic coils are energized, enhancing the clamping force. The multiple independently controllable electromagnetic coils endow the fixture with a local magnetic force adjustment function, and can enhance or weaken the magnetic force of specific parts according to the shape characteristics of the accessories and processing requirements, greatly improving the clamping versatility of the fixture for accessories with different shapes. The coordinated work of the electric telescopic rods, adjusting plates and bottom support plates further enriches the adjustment methods of the fixture. The electric telescopic rods can precisely control the opening and closing degree of the fixture, the adjusting plates are used to finely adjust the position of the fixture, and the bottom support plates provide an additional support surface for the accessories, enhancing the clamping stability. However, most of the fixtures in the prior art are of rigid structures and have a single clamping method, making it difficult to meet the processing requirements of accessories with complex shapes. Therefore, it can solve the problems that traditional fixtures cannot firmly clamp accessories with complex shapes due to their rigid structures and single clamping methods, resulting in easy displacement of accessories and poor processing quality during the processing process.

[0018] 4. The present invention realizes the precise adjustment of the horizontal and vertical positions and rotation angles of machine tool accessories by setting scale lines on the left and right adjustment bases and front and rear adjustment bases of the multi-angle fixing assembly, and installing a servo motor and a rotating seat inside the front and rear adjustment bases. Compared with the prior art, the present invention has made significant progress in position and angle adjustment. The setting of the scale lines is not a simple marking, and its accuracy reaches the micron level, and the laser etching technology is adopted to ensure the clarity and durability of the scale. During the adjustment process, the operator can read the scale through a high-precision reading microscope to achieve extremely precise position adjustment. The servo motor adopts advanced closed-loop control technology and can accurately control the rotation angle of the rotating seat according to the preset angle parameters, and the error can be controlled within a very small range. Compared with the prior art that relies on manual rough adjustment or simple motor drive, the adjustment method of the present invention is more precise and reliable. Whether it is the adjustment of the horizontal and vertical positions, it can meet the requirements of high-precision processing, providing a strong guarantee for the grinding processing of machine tool accessories at different angles. Therefore, it can solve the problems that the traditional adjustment method has low accuracy, is difficult to meet the requirements of precise adjustment of the position and angle of accessories for high-precision processing, and thus affects the processing quality and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present invention; Figure 2 is a front structural diagram of the present invention; Figure 3Schematic cross-sectional structure diagram of the present invention; Figure 4 Front structure schematic diagram of the multi-angle fixing component, adaptive support component and magnetic adsorption type flexible fixture component of the present invention; Figure 5 Side structure schematic diagram of the multi-angle fixing component, adaptive support component and magnetic adsorption type flexible fixture component of the present invention; Figure 6 Top view structure schematic diagram of the multi-angle fixing component of the present invention; Figure 7 Three-dimensional structure schematic diagram of the multi-angle fixing component and adaptive support component of the present invention; Figure 8 Workflow diagram of the present invention.

[0020] In the figure: 1. Grinding device main body; 2. Fixed seat; 3. First elastic buffer pad; 4. Support column; 5. Second elastic buffer pad; 6. Fixture; 7. Electric telescopic rod; 8. Adjusting plate; 9. Bottom support plate; 10. Elastic rubber pad; 11. Left and right fixing plates; 12. Left and right adjusting bases; 13. First adjusting handle; 14. Front and back fixing plates; 15. Front and back adjusting bases; 16. Second adjusting handle; 17. First scale line; 18. Second scale line; 19. Rotating seat; 20. Collection groove; 21. Fixed top plate; 22. Hydraulic rod; 23. Movable plate; 24. Protective cover; 25. Grinding wheel; 26. Sliding column. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is 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 orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, terms such as "installation", "equipped with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 8 , an embodiment provided by the present invention: A multi-angle grinding device for machining machine tool accessories, including a grinding device main body 1. A fixed seat 2 is installed on the bottom wall of the grinding device main body 1, and a multi-angle fixing component is installed on the top of the fixed seat 2. The multi-angle fixing component is used to adjust the angle of the machine tool accessories during processing; The top of the multi-angle fixing component is connected with an adaptive support component, and the adaptive support component is used to adjust the support force of the machine tool accessories; The adaptive support component includes a first elastic buffer pad 3 connected to the top of the multi-angle fixing component, and a shape memory alloy wire is arranged inside the first elastic buffer pad 3; A support column 4 is connected to the top of the first elastic buffer pad 3, and one end of the memory alloy wire is fixed to the bottom of the support column 4. A second elastic buffer pad 5 is connected to the top of the support column 4; A magnetic adsorption type flexible fixture component is connected to the top of the second elastic buffer pad 5, and the magnetic adsorption type flexible fixture component is used to clamp the machine tool accessories.

[0025] Furthermore, the adaptive support component is connected to the top of the multi-angle fixing component, mainly composed of a first elastic buffer pad 3, a support column 4 and a second elastic buffer pad 5. The first elastic buffer pad 3 is connected to the top of the multi-angle fixing component, and a shape memory alloy wire is arranged inside it.

[0026] Before processing, according to the shape of the machine tool accessories, by preheating or precooling the shape memory alloy wire in the first elastic buffer pad 3, the first elastic buffer pad 3 can be preformed into an initial shape adapted to the bottom contour of the accessories, greatly improving the adaptability of supporting accessories with different shapes.

[0027] A support column 4 is connected to the top of the elastic buffer pad 3. One end of the shape memory alloy wire is fixed to the bottom of the support column 4. The support column 4 plays a role in connecting and transmitting force. The top of the support column 4 is connected to an elastic buffer pad 5. During the processing, the flexible characteristics of the elastic buffer pad 3 and the elastic buffer pad 5 can effectively disperse the pressure received by the fittings, avoid stress concentration, enhance the support stability of the machine tool fittings, and ensure the stability of the fittings during the processing.

[0028] Please refer to Figure 1 , Figure 2 and Figure 3 , an embodiment provided by the present invention: A multi-angle grinding device for machining machine tool fittings. A collection trough 20 is installed on the bottom wall of the grinding device main body 1, and the collection trough 20 is located outside the fixed seat 2; A fixed top plate 21 is installed between the side walls of the grinding device main body 1. A hydraulic rod 22 is installed through the inside of the fixed top plate 21. The bottom of the hydraulic rod 22 is installed with a movable plate 23. The bottom of the movable plate 23 is connected to a protective cover 24. The inside of the protective cover 24 is connected to a grinding wheel 25.

[0029] The bottom of the fixed top plate 21 is installed with a sliding column 26, and the sliding column 26 is located outside the hydraulic rod 22. The sliding column 26 penetrates through the movable plate 23, and the bottom end of the sliding column 26 is connected to the bottom wall of the grinding device main body 1; The front of the grinding device main body 1 is connected with a double-door through a hinge. The front of the double-door is connected with a handle, and an observation window is arranged on the front of the double-door.

[0030] Further, a collection trough 20 is installed on the bottom wall of the grinding device main body 1. The collection trough 20 is located outside the fixed seat 2. The inclination angle of the collection trough 20 can guide the debris generated during the grinding process to quickly slide down to the collection area under the action of gravity, reducing the residue of the debris in the device. The surface material of the collection trough 20 has a certain adsorption property, which can further adsorb tiny debris and prevent it from floating, greatly improving the cleanliness of the processing environment and effectively solving the problems of polluting the working environment and affecting the equipment life due to the residue and floating of the grinding debris.

[0031] A fixed top plate 21 is installed between the side walls of the grinding device main body 1. A hydraulic rod 22 is installed through the inside of the fixed top plate 21. The bottom of the hydraulic rod 22 is installed with a movable plate 23. When the hydraulic rod 22 works, its telescopic action can drive the movable plate 23 to move up and down. The bottom of the movable plate 23 is connected to a protective cover 24. The inside of the protective cover 24 is connected to a grinding wheel 25. By adjusting the hydraulic rod 22, the descending height and pressure of the grinding wheel 25 can be accurately controlled. By setting a suitable rotation speed of the grinding wheel 25, the grinding operation can be carried out.

[0032] A sliding column 26 is installed at the bottom of the fixed top plate 21. The sliding column 26 is located outside the hydraulic rod 22 and penetrates through the movable plate 23. The bottom end of the sliding column 26 is connected to the bottom wall of the grinding device main body 1. The sliding column 26 plays a guiding role to ensure the stability of the movable plate 23 during the up and down movement, and ensure that the grinding wheel 25 can accurately grind the machine tool accessories.

[0033] A double-door is connected to the front of the grinding device main body 1 through a hinge. A handle is connected to the front of the double-door, which is convenient for the operator to open and close the double-door for equipment maintenance or workpiece loading and unloading operations. An observation window is arranged on the front of the double-door, and the operator can observe the processing situation inside the device in real time through the observation window, discover problems in time and make adjustments.

[0034] Please refer to Figure 4 、 Figure 5 、 Figure 6 and Figure 7 As shown in

[0035] A magnetic adsorption type flexible fixture assembly includes fixtures 6 symmetrically connected to the top of the elastic buffer pad II 5. Electric telescopic rods 7 are connected to the front and back of the fixture 6. The output end of the electric telescopic rod 7 is connected to an adjustment plate 8. The back of the adjustment plate 8 on the front of the fixture 6 and the front of the adjustment plate 8 on the back of the fixture 6 are connected to a bottom support plate 9, and the bottom support plate 9 penetrates through the fixture 6. Elastic rubber pads 10 are connected to the mutually approaching surfaces of the fixtures 6 and the mutually approaching surfaces of the bottom support plate 9 and the fixtures 6. Uniformly arranged protrusions are provided on the surface of the elastic rubber pads 10;

[0036] The fixture 6 is made of a flexible magnetic material, and a plurality of independently controllable electromagnetic coils are embedded inside the fixture 6.

[0037] Furthermore, the magnetic adsorption type flexible fixture assembly is installed on the top of the elastic buffer pad II 5 for clamping machine tool accessories. This assembly is mainly composed of fixtures 6 symmetrically connected to the top of the elastic buffer pad II 5. Electric telescopic rods 7 are connected to the front and back of the fixture 6. When the electric telescopic rod 7 is started, the telescopic movement of its output shaft can drive the adjustment plate 8 to move.

[0038] The mutually adjacent surfaces of the fixture 6 and the bottom support plate 9 adjacent to the fixture 6 are both connected with elastic rubber pads 10. The surface of the elastic rubber pad 10 is provided with evenly arranged protrusions. On the one hand, the elastic rubber pad 10 can increase the friction force with the surface of the fitting and prevent the fitting from sliding during the clamping process; on the other hand, its flexible property can avoid damaging the surface of the fitting by the fixture.

[0039] The fixture 6 is made of flexible magnetic material, and a plurality of independently controllable electromagnetic coils are embedded inside. Under normal conditions, the flexible fixture 6 can fit to a certain extent according to the shape of the fitting. When it is necessary to enhance the clamping force, the electromagnetic coils can be activated to generate magnetic force and enhance the adsorption and fixing effect on the fitting. Moreover, the plurality of independently controllable electromagnetic coils endow the fixture with the function of local magnetic force adjustment, and can enhance or weaken the magnetic force of specific parts according to the shape characteristics of the fitting and the processing requirements, greatly improving the clamping versatility of the fixture for fittings of different shapes.

[0040] Please refer to Figure 4 、 Figure 5 、 Figure 6 and Figure 7 , and an embodiment provided by the present invention: A multi-angle grinding device for machining machine tool fittings. The multi-angle fixing assembly includes left and right fixing plates 11 symmetrically installed on the top of the fixing seat 2. A left and right adjustment base 12 is installed in the middle of the two groups of left and right fixing plates 11. A left and right adjustment shaft is installed through the left and right adjustment base 12 and the two groups of left and right fixing plates 11. Adjustment handles 13 are installed on the front and back of the left and right adjustment shaft; Front and back fixing plates 14 are installed on both sides of the left and right adjustment base 12. A front and back adjustment base 15 is installed in the middle of the two groups of front and back fixing plates 14. A front and back adjustment shaft is installed through the front and back adjustment base 15 and the two groups of front and back fixing plates 14. Adjustment handles 16 are installed on both sides of the front and back adjustment shaft.

[0041] Scale lines 17 are provided on the front and back of the left and right adjustment base 12, and scale lines 18 are provided on both sides of the front and back adjustment base 15.

[0042] A servo motor is arranged inside the front and back adjustment base 15, and a rotating seat 19 is installed at the output end of the servo motor, and the rotating seat 19 is located above the front and back adjustment base 15.

[0043] Furthermore, the multi-angle fixing component at the top of the fixing base 2 is the key to realizing the flexible adjustment of the machining angle of machine tool accessories. The multi-angle fixing component is mainly composed of left and right fixing plates 11 symmetrically installed on the top of the fixing base 2. An left and right adjustment base 12 is arranged between the two groups of left and right fixing plates 11. The left and right adjustment base 12 is connected to the left and right fixing plates 11 through a left and right adjustment shaft passing through them. Adjusting handles 13 are installed on the front and back of the left and right adjustment shaft. By rotating the adjusting handle 13, the operator can drive the left and right adjustment shaft to rotate, and then use the principle of screw drive to make the left and right adjustment base 12 move horizontally between the left and right fixing plates 11, so as to initially adjust the position coordinates of the machine tool accessories in the horizontal direction.

[0044] On both sides of the left and right adjustment base 12, front and back fixing plates 14 are installed. A front and back adjustment base 15 is arranged between the two groups of front and back fixing plates 14. The front and back adjustment base 15 is also connected to the front and back fixing plates 14 through a penetrating front and back adjustment shaft. Adjusting handles 16 are installed on both sides of the front and back adjustment shaft. By rotating the adjusting handle 16, the front and back adjustment shaft rotates, driving the front and back adjustment base 15 to move horizontally longitudinally between the front and back fixing plates 14, so as to realize the adjustment of the horizontal longitudinal position of the machine tool accessories.

[0045] A servo motor is arranged inside the front and back adjustment base 15. A rotating seat 19 is installed at the output end of the servo motor. The rotating seat 19 is located above the front and back adjustment base 15. After the servo motor is started, its output shaft drives the rotating seat 19 to rotate, and then the adaptive support component and the magnetic adsorption type flexible fixture component installed above the rotating seat 19 can be adjusted to the angular position that meets the machining angle requirements of the machine tool accessories, meeting the requirements of diversified machining angles.

[0046] At the same time, scale lines 17 are arranged on the front and back of the left and right adjustment base 12, and scale lines 18 are arranged on both sides of the front and back adjustment base 15. The accuracy of the scale lines reaches the micron level, and the laser etching technology is used to ensure that the scale is clear and durable. The operator can read the scale with the help of a high-precision reading microscope to realize the extremely precise adjustment of the position and angle of the machine tool accessories, providing a strong guarantee for high-precision machining.

[0047] Furthermore, the usage method of the multi-angle grinding device is as follows: S1. Adjust the fixture 6 to the clamping position by adjusting the multi-angle fixing component; S2. Clamp the machine tool accessories with the magnetic adsorption type flexible fixture component, and at the same time start the electromagnetic coil to enhance the adsorption and fixation; S3. Adjust the hydraulic rod 22 to control the lowering height and pressure of the grinding wheel 25, set the rotation speed of the grinding wheel 25, and perform grinding operations; S4. During the grinding process, adjust the position of the machine tool accessories through the multi-angle fixing component to complete grinding at different angles.

[0048] Furthermore, in S1, the following steps are also included: S11. According to the shape of the workpiece, utilize the shape recovery characteristics of the shape memory alloy wire at different temperatures to preheat or precool the first elastic buffer pad 3, so that the first elastic buffer pad 3 preforms an initial shape adapted to the bottom contour of the workpiece. S12. Rotate the first adjusting handle 13. Through the transmission cooperation of the left-right adjusting shaft with the left-right fixing plates 11 and the left-right adjusting base 12, adjust the horizontal position of the left-right adjusting base 12 according to the indication of the first scale line 17 to preliminarily determine the horizontal transverse placement coordinates of the workpiece. Similarly, rotate the second adjusting handle 16, and with the aid of the transmission structure of the front-back adjusting shaft with the front-back fixing plates 14 and the front-back adjusting base 15, adjust the position of the workpiece in the horizontal longitudinal direction with reference to the second scale line 18. S13. Start the servo motor in the front-back adjusting base 15 to drive the rotating seat 19 to rotate, and adjust the magnetic adsorption type flexible fixture component to an angular position that meets the machining angle requirements of the workpiece.

[0049] Working principle: The left-right fixing plates 11 symmetrically installed on the top of the fixed seat 2 have the left-right adjusting base 12 arranged in the middle. The left-right adjusting shaft penetrates through the left-right adjusting base 12 and the two groups of left-right fixing plates 11. When the operator rotates the first adjusting handle 13, the first adjusting handle 13 drives the left-right adjusting shaft to rotate. Since the left-right adjusting shaft is in threaded cooperation with the left-right fixing plates 11 and the left-right adjusting base 12, according to the principle of screw drive, the rotation of the left-right adjusting shaft is converted into the horizontal transverse linear movement of the left-right adjusting base 12 between the left-right fixing plates 11, thereby adjusting the horizontal transverse position coordinates of the machine tool accessories.

[0050] The front-back fixing plates 14 are installed on both sides of the left-right adjusting base 12. The front-back adjusting base 15 is arranged in the middle of the two groups of front-back fixing plates 14. The front-back adjusting shaft penetrates through the front-back adjusting base 15 and the front-back fixing plates 14. Rotate the second adjusting handle 16, and the second adjusting handle 16 drives the front-back adjusting shaft to rotate. Similarly based on screw drive, the rotation of the front-back adjusting shaft enables the front-back adjusting base 15 to perform horizontal longitudinal linear movement between the front-back fixing plates 14, realizing the adjustment of the horizontal longitudinal position of the machine tool accessories.

[0051] After the servo motor inside the front-back adjustment base 15 starts, the output shaft of the servo motor drives the rotating base 19 to rotate. Since the adaptive support assembly and the magnetic adsorption type flexible fixture assembly are installed above the rotating base 19, the rotation of the rotating base 19 can adjust the components above it to the angular position that meets the machining angle requirements of machine tool accessories, meeting diverse machining angle requirements. At the same time, the scale lines one 17 on the front and back of the left-right adjustment base 12 and the scale lines two 18 on both sides of the front-back adjustment base 15, in cooperation with the high-precision reading microscope, can achieve precise adjustment of the position and angle of machine tool accessories.

[0052] Before machining, according to the shape of the machine tool accessory, the shape memory alloy wire in the first elastic buffer pad 3 is preheated or precooled. The shape memory alloy wire has the characteristic of quickly and accurately restoring the preset shape under different temperature stimuli. Therefore, through temperature control, the first elastic buffer pad 3 can preform an initial shape adapted to the bottom contour of the accessory, improving the adaptability of supporting accessories with different shapes.

[0053] The top of the first elastic buffer pad 3 is connected to the support column 4. One end of the memory alloy wire is fixed to the bottom of the support column 4. During machining, when the machine tool accessory is placed on the second elastic buffer pad 5, the gravity of the accessory is transmitted to the support column 4 through the second elastic buffer pad 5, and then transmitted to the first elastic buffer pad 3 by the support column 4. The flexible characteristics of the first elastic buffer pad 3 and the second elastic buffer pad 5 can effectively disperse the pressure received by the accessory, avoid stress concentration, enhance the support stability of the machine tool accessory, and ensure the stability of the accessory during machining.

[0054] The fixture 6 is symmetrically connected to the top of the second elastic buffer pad 5. The front and back of the fixture 6 are connected to the electric telescopic rod 7. The output end of the electric telescopic rod 7 is connected to the adjustment plate 8. When the electric telescopic rod 7 is started, the output shaft of the electric telescopic rod 7 makes a telescopic movement, driving the adjustment plate 8 to move.

[0055] The back of the adjustment plate 8 on the front of the fixture 6 and the front of the adjustment plate 8 on the back of the fixture 6 are connected with a bottom support plate 9, and the bottom support plate 9 penetrates through the fixture 6. When the fixture 6 clamps the machine tool accessory, the bottom support plate 9 provides an additional support surface for the accessory, further enhancing the clamping stability.

[0056] Elastic rubber pads 10 are connected to the surfaces of the fixture 6 close to each other and the surfaces of the bottom support plate 9 close to the fixture 6. The surface of the elastic rubber pad 10 is provided with uniformly arranged protrusions. During the clamping process, the protrusions increase the friction with the surface of the accessory, preventing the accessory from sliding; at the same time, the flexible characteristics of the elastic rubber pad 10 can avoid damage to the surface of the accessory by the fixture.

[0057] The fixture 6 is made of flexible magnetic material, with multiple independently controllable electromagnetic coils embedded inside. Under normal conditions, the flexible fixture 6 can conform to the shape of the fitting to a certain extent. When it is necessary to enhance the clamping force, the electromagnetic coils are activated. The electromagnetic coils generate magnetic force when energized, enhancing the adsorption and fixation effect on the fitting. Moreover, the multiple independently controllable electromagnetic coils can enhance or weaken the magnetic force of specific parts according to the shape characteristics of the fitting and the processing requirements, improving the clamping versatility of the fixture for fittings of different shapes.

[0058] A collection trough 20 is installed on the bottom wall of the grinding device main body 1. The collection trough 20 is located outside the fixed seat 2. The collection trough 20 adopts a special design, and its inclination angle is precisely calculated. During the grinding process, the generated debris slides rapidly along the inclined surface of the collection trough 20 to the collection area under the action of gravity, reducing the residue of debris inside the device. The surface material of the collection trough 20 has a certain adsorption property, which can further adsorb tiny debris to prevent it from spreading, improving the cleanliness of the processing environment.

[0059] A fixed top plate 21 is installed between the side walls of the grinding device main body 1. A hydraulic rod 22 is installed through the fixed top plate 21. The bottom of the hydraulic rod 22 is installed with a movable plate 23. The bottom of the movable plate 23 is connected to a protective cover 24. The grinding wheel 25 is connected inside the protective cover 24. When the hydraulic rod 22 works, its hydraulic oil pushes the piston, causing the telescopic rod of the hydraulic rod 22 to perform telescopic actions, driving the movable plate 23 to move up and down, and then driving the grinding wheel 25 to move up and down, precisely controlling the descending height of the grinding wheel 25 and the pressure on the fitting. At the same time, by setting the rotation speed of the grinding wheel 25 through an external control system, the grinding operation can be carried out.

[0060] Sliding columns 26 are installed at the bottom of the fixed top plate 21. The sliding columns 26 are located outside the hydraulic rod 22 and penetrate through the movable plate 23. The bottom ends of the sliding columns 26 are connected to the bottom wall of the grinding device main body 1. During the up and down movement of the movable plate 23, the sliding columns 26 play a guiding role, restricting the movable plate 23 to move only up and down along the axial direction of the sliding columns 26, ensuring the stability of the movement of the movable plate 23 and guaranteeing that the grinding wheel 25 can accurately grind the machine tool fitting.

[0061] The front of the grinding device main body 1 is connected with double doors through hinges. A handle is connected to the front of the double doors, which is convenient for the operator to open and close the double doors for equipment maintenance or workpiece loading and unloading operations. An observation window is set on the front of the double doors. The operator can observe the processing situation inside the device in real time through the observation window, such as the working state of the grinding wheel 25 and the clamping situation of the fitting, and discover problems in time and make adjustments.

[0062] It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A multi-angle grinding device for machining machine tool parts, comprising a grinding device body (1), characterized in that: A fixing seat (2) is installed on the bottom wall of the grinding device body (1), and a multi-angle fixing component is installed on the top of the fixing seat (2), and the multi-angle fixing component is used to adjust the angle of the machine tool accessories during processing; The top of the multi-angle fixing component is connected with an adaptive support component, and the adaptive support component is used to adjust the support strength of the machine tool accessories; The adaptive support component comprises an elastic buffer pad (3) connected to the top of the multi-angle fixing component, and a shape memory alloy wire is arranged inside the elastic buffer pad (3); The top of the elastic buffer pad 1 (3) is connected to a support column (4), one end of the memory alloy wire is fixed to the bottom of the support column (4), and the top of the support column (4) is connected to the elastic buffer pad 2 (5); The top of the second elastic buffer pad (5) is connected to a magnetic adsorption type flexible clamp assembly, and the magnetic adsorption type flexible clamp assembly is used to clamp machine tool accessories.

2. The multi-angle grinding device for machining machine tool parts according to claim 1, characterized in that: A collecting groove (20) is installed on the bottom wall of the grinding device body (1), and the collecting groove (20) is located outside the fixing seat (2); A fixed top plate (21) is installed between the side walls of the grinding device body (1), a hydraulic rod (22) is installed through the interior of the fixed top plate (21), a movable plate (23) is installed at the bottom of the hydraulic rod (22), a protective cover (24) is connected to the bottom of the movable plate (23), and a grinding wheel (25) is connected to the interior of the protective cover (24).

3. The multi-angle grinding device for machining machine tool parts according to claim 1, characterized in that: The magnetic adsorption type flexible clamp assembly comprises a clamp (6) symmetrically connected to the top of the second elastic buffer pad (5); the front and back sides of the clamp (6) are connected to electric telescopic rods (7); the output end of the electric telescopic rod (7) is connected to an adjustment plate (8); the back side of the front adjustment plate (8) of the clamp (6) and the front side of the back adjustment plate (8) of the clamp (6) are connected to a bottom support plate (9); and the bottom support plate (9) passes through the clamp (6).

4. The multi-angle grinding device for machining machine tool parts according to claim 1, characterized in that: The multi-angle fixing assembly comprises left and right fixing plates (11) symmetrically mounted on the top of the fixing seat (2), a left and right adjustment base (12) is mounted between the two groups of left and right fixing plates (11), left and right adjustment shafts are mounted through the inside of the left and right adjustment base (12) and the two groups of left and right fixing plates (11), and adjustment handles (13) are mounted on the front and back of the left and right adjustment shafts; Front and rear fixing plates (14) are installed on both sides of the left and right adjustment base (12), a front and rear adjustment base (15) is installed between the two groups of front and rear fixing plates (14), a front and rear adjustment shaft is installed through the interior of the front and rear adjustment base (15) and the two groups of front and rear fixing plates (14), and two adjustment handles (16) are installed on both sides of the front and rear adjustment shaft.

5. The multi-angle grinding device for machining machine tool parts according to claim 4, characterized in that: The front and back sides of the left-right adjustment base (12) are provided with scale lines 1 (17), and the two sides of the front-back adjustment base (15) are provided with scale lines 2 (18).

6. The multi-angle grinding device for machining machine tool parts according to claim 4, characterized in that: A servo motor is arranged inside the front-rear adjustment base (15), a rotating base (19) is installed at the output end of the servo motor, and the rotating base (19) is located above the front-rear adjustment base (15).

7. The multi-angle grinding device for machining machine tool parts according to claim 3, characterized in that: The surfaces of the clamps (6) that are close to each other and the surfaces of the bottom support plate (9) and the clamps (6) that are close to each other are both connected with elastic rubber pads (10), and the surface of the elastic rubber pads (10) is provided with evenly arranged protrusions; The clamp (6) is made of a flexible magnetic material, and a plurality of independently controllable electromagnetic coils are embedded inside the clamp (6).

8. The multi-angle grinding device for machining machine tool parts according to claim 2, characterized in that: A sliding column (26) is installed at the bottom of the fixed top plate (21), and the sliding column (26) is located outside the hydraulic rod (22). The sliding column (26) passes through the movable plate (23), and the bottom end of the sliding column (26) is connected to the bottom wall of the grinding device body (1); The front of the grinding device body (1) is connected to a double door via a hinge, the front of the double door is connected to a handle, and the front of the double door is provided with an observation window.

9. A method for using a multi-angle grinding device for machining machine tool parts, applicable to a multi-angle grinding device for machining machine tool parts according to any one of claims 1 to 6, characterized in that: The method of using the multi-angle grinding device is as follows: S1. Adjust the clamp (6) to a clamping position by adjusting the multi-angle fixing assembly; S2, using magnetic adsorption type flexible clamp assembly to clamp machine tool accessories, and at the same time start the electromagnetic coil to enhance adsorption and fixation; S3, adjusting the hydraulic rod (22) to control the descending height and pressure of the grinding wheel (25), setting the rotation speed of the grinding wheel (25), and performing the grinding operation; S4. During the grinding process, the position of machine tool accessories is adjusted through multi-angle fixing components to complete grinding at different angles.

10. The method for using the multi-angle grinding device for machining machine tool parts according to claim 9, characterized in that: In S1, the following steps are also included: S11, based on the shape of the workpiece, using the shape recovery characteristics of the shape memory alloy wire at different temperatures, preheating or precooling the elastic buffer pad 1 (3) so that the elastic buffer pad 1 (3) is pre-formed into an initial shape that matches the bottom contour of the workpiece; S12, rotating the adjustment handle 1 (13), adjusting the lateral position of the left and right adjustment bases (12) according to the scale line 1 (17) through the transmission cooperation between the left and right adjustment shafts and the left and right fixed plates (11) and the left and right adjustment bases (12), and preliminarily determining the placement coordinates of the workpiece in the horizontal lateral direction; similarly, rotating the adjustment handle 2 (16), adjusting the horizontal longitudinal position of the workpiece with the help of the transmission structure between the front and rear adjustment shafts and the front and rear fixed plates (14) and the front and rear adjustment bases (15), and referring to the scale line 2 (18); S13, turning on the servo motor in the front and rear adjustment base (15), driving the rotating base (19) to rotate, and adjusting the magnetic adsorption type flexible clamp assembly to an angle position that meets the workpiece processing angle requirements.

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