Positioning adjusting device and five-axis machine tool with same

Abstract

The invention relates to the field of five-axis machine tools, in particular to a positioning and adjusting device and a five-axis machine tool with the positioning and adjusting device.The positioning and adjusting device comprises a mounting disc, and a circular frame is fixedly connected to the top of the mounting disc; a plurality of flexible clamping assemblies are arranged on the inner circumference of the circular frame at equal intervals. The flexible clamping assembly comprises a moving plate, and the moving plate is slidably connected to the inner bottom wall of the circular frame. A square frame is rotationally connected to the movable plate, a strip-shaped groove is formed in the top of the square frame, a sliding rod is fixedly connected into the strip-shaped groove, the sliding rod is slidably sleeved with a sliding block, and the two sides of the sliding rod are movably sleeved with first springs; a rocker arm is rotationally connected to the top of the sliding block, and one end of the rocker arm is rotationally connected to the moving plate; the square frame is fixedly connected with a supporting rod. Self-adaptive adjustment can be carried out according to workpieces, the clamping stability is ensured, the clamping device adapts to the workpieces of different shapes and sizes, and universality and flexibility are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of five-axis machine tools, and in particular to a positioning adjustment device and a five-axis machine tool having the positioning adjustment device. Background Art

[0002] The five-axis machine tool is a high-precision, high-efficiency processing equipment that can achieve the processing of complex surfaces and any angle in three-dimensional space through the coordinated movement of five axes. This type of machine tool is widely used in high-end manufacturing fields such as aerospace, automobile manufacturing, and mold manufacturing, and can greatly improve processing accuracy and production efficiency.

[0003] During the processing of five-axis machine tools, the workpiece needs to be precisely positioned and fixed to ensure its positional stability. However, existing positioning and adjustment devices have obvious limitations when dealing with irregular workpieces. Due to the different shapes and sizes of irregular workpieces, it is difficult for traditional rigid clamping mechanisms to achieve stable clamping of them, which not only causes the workpiece to shift during processing, affecting the processing effect, but also causes damage to the workpiece. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that, due to the different shapes and sizes of irregular workpieces, it is difficult for traditional rigid clamping mechanisms to achieve stable clamping of the irregular workpieces, which not only causes the position of the workpiece to shift during the processing and affects the processing effect, but also causes damage to the workpiece, thereby providing a positioning adjustment device and a five-axis machine tool having the positioning adjustment device.

[0005] In order to solve the above technical problems, the present invention provides a positioning and adjusting device, comprising a mounting plate, a circular frame being fixedly connected to the top of the mounting plate; A plurality of flexible clamping components are equidistantly arranged on the inner circumference of the circular frame; The flexible clamping assembly includes a movable plate, and the movable plate is slidably connected to the bottom wall of the circular frame; The movable plate is rotatably connected with a square frame, the top of the square frame is provided with a strip groove, a slide rod is fixedly connected in the strip groove, a sliding sleeve on the slide rod is provided with a sliding block, and movable sleeves on both sides of the slide rod are provided with a first spring; A rocker arm rotatably connected to the top of the sliding block, one end of which is rotatably connected to the moving plate; The square frame is fixedly connected with a support rod, one end of the support rod is fixedly connected with a fixed block, and a plurality of flexible fingers are fixed on the fixed block; The rear end of the movable plate is rotatably connected with a threaded rod, one end of the threaded rod passes through the threaded hole of the circular frame and extends to the outside, and one end of the threaded rod is fixedly connected with a handle.

[0006] Furthermore, the flexible finger includes a connecting rod and a push rod, the connecting rod is fixedly connected to the inner wall of the fixed block, an adjustment cavity is provided in the push rod, one end of the connecting rod passes through the push rod and extends into the adjustment cavity, a sliding plate is fixedly sleeved on one end of the connecting rod, and a second spring is provided between the sliding plate and the inner wall of the adjustment cavity.

[0007] Furthermore, arc grooves are equidistantly arranged on the circumference of the inner ring side wall of the circular frame, and the width of the arc grooves is greater than the width of the fixing block.

[0008] Furthermore, a locking nut is threadedly sleeved on the outer surface of the threaded rod, and the locking nut abuts against the outer side wall of the circular frame.

[0009] Furthermore, a plurality of position limiting components are fixedly connected to the bottom of the circular frame, a plurality of sockets are provided on the top of the mounting plate, a plurality of locking release components are fixedly connected to the inner side wall of the mounting plate, the bottom of the position limiting component is inserted into the socket, and the locking release component is used to lock and unlock the position limiting component.

[0010] Furthermore, the position limiting assembly includes an insertion rod, which is fixedly connected to the bottom of the circular frame. The bottom of the insertion rod is fixedly connected to a sleeve, and the inner wall of the sleeve is provided with a fixing groove, and a locking piece is connected in the fixing groove.

[0011] Furthermore, the locking member includes a moving rod, one end of the moving rod is fixedly connected to a locking block, an outer side of the locking block is provided with an inclined portion, the outer surface of the moving rod is sleeved with a third spring, one end of the third spring abuts against the locking block, the other end of the third spring abuts against the inner wall of the fixing groove, the other end of the moving rod passes through the sleeve and extends to the outside of the sleeve, and the other end of the moving rod is fixedly sleeved with a limit plate.

[0012] Further, the locking release assembly includes a support ear, the support ear is fixedly connected to the inner side wall of the mounting plate, a push rod is slidably inserted on the support ear, the top of the push rod extends to the top of the support ear, the top of the push rod is fixedly connected to a support rod, the outer surface of the push rod is fixedly sleeved with a first truncated cone sleeve, the top of the support rod is fixedly connected with a second truncated cone sleeve, and the outer surface of the support rod is slidably sleeved with a third truncated cone sleeve; The top of the outer surface of the push rod is fixedly sleeved with a support plate, the bottom of the push rod is fixedly connected to the push plate, the outer surface of the push rod is sleeved with a fourth spring, the top of the fourth spring abuts against the bottom of the support ear, and the bottom of the fourth spring abuts against the top of the push plate.

[0013] Furthermore, the third truncated cone sleeve is located between the first truncated cone sleeve and the second truncated cone sleeve, the outer curved surface diameter of the first truncated cone sleeve gradually decreases in the direction approaching the third truncated cone sleeve, the outer curved surface diameter of the second truncated cone sleeve gradually decreases in the direction away from the third truncated cone sleeve, and the outer curved surface diameter of the third truncated cone sleeve gradually decreases in the direction away from the second truncated cone sleeve; The diameter of the support plate is smaller than the inner diameter of the sleeve, and the inner top wall of the sleeve is fixedly connected with a positioning rod, and the positioning rod is movably inserted into the interior of the second truncated cone sleeve.

[0014] The present invention also provides a five-axis machine tool, comprising the positioning adjustment device described in the present invention.

[0015] By means of the above technical solution, the present invention provides a positioning adjustment device and a five-axis machine tool having the positioning adjustment device, which have at least the following beneficial effects: 1. In the present invention, the workpiece is placed in the circular frame, and the workpiece contacts the flexible fingers. The flexible fingers have a certain elasticity and will make preliminary adaptation and adjustment according to the shape and size of the workpiece; the handle is rotated, and the threaded rod will gradually advance along the threaded hole of the circular frame, pushing the moving plate to slide along the inner bottom wall of the circular frame, and the square frame and the support rod will drive the flexible fingers to move together, gradually tightening the clamping of the workpiece. At the same time, the square frame rotates on the moving plate, and the sliding block slides on the sliding rod, driving the rocker to rotate, and the flexible fingers are driven to rotate through the support rod and the fixed block, which can be adaptively adjusted according to the shape and size of the workpiece to ensure the stability of the clamping. This design can adapt to workpieces of different shapes and sizes, and improves versatility and flexibility.

[0016] 2. In the present invention, as the sliding plate slides, the second spring will be compressed and generate a reaction force, and the reaction force will be transmitted to the support rod, so that it will generate a certain clamping force on the workpiece. Since the second spring has a certain elasticity, it can be adaptively adjusted according to the shape and size of the workpiece to ensure the uniformity and stability of the clamping force; when the flexible finger completely clamps the workpiece and reaches the required clamping force, the entire positioning and adjustment device can lock the workpiece in the specified position. At this time, the elastic force of the second spring and the extrusion force of the workpiece reach a balanced state, ensuring that the workpiece will not be displaced during the processing.

[0017] 3. In the present invention, the mounting plate is fixedly mounted on the turntable of the five-axis machine tool, the circular frame is placed on the top of the mounting plate, and the bottom of the position limit assembly is inserted into the socket. The position limit assembly can be locked by the locking release assembly, which is convenient for fixing and installing the positioning adjustment device. When the positioning adjustment device needs to be replaced, the position limit assembly can be unlocked by the locking release assembly, so that the circular frame can be removed from the mounting plate or re-placed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the positioning and adjustment device; Figure 2 It is a schematic diagram of the structure of the mounting plate in the positioning and adjusting device; Figure 3 It is a schematic diagram of the structure of the circular frame and the clamping assembly in the positioning and adjusting device; Figure 4 It is a schematic diagram of the local structure of the circular frame and the clamping assembly in the positioning and adjusting device; Figure 5 It is a schematic diagram of the structure of the flexible clamping component in the positioning and adjusting device; Figure 6 It is a schematic diagram of the square frame structure in the positioning and adjusting device; Figure 7 It is a schematic diagram of the flexible finger structure in the positioning and adjusting device; Figure 8 A bottom view of the circular frame and the flexible clamping assembly structure in the positioning and adjusting device; Fig. 9 For positioning and adjusting the device Figure 8 A local enlarged view of point A; Fig.10 It is a schematic diagram of the structure of the locking member in the positioning and adjusting device; Fig.11 It is a schematic diagram of the structure of the mounting plate and the locking release assembly in the positioning and adjusting device; Fig.12 For positioning and adjusting the device Fig.11 A schematic diagram of the local enlarged structure at B; Fig.13 It is a schematic diagram of the structure of the locking release component in the positioning and adjusting device; Fig.14 This is the front view of the five-axis machine tool structure; Fig.15 This is the rear view of the five-axis machine tool structure.

[0020] In the figure: 1, mounting plate; 101, jack; 2, circular frame; 201, arc groove; 3, flexible clamping assembly; 301, moving plate; 302, square frame; 303, support rod; 304, fixed block; 305, flexible finger; 3051, connecting rod; 3052, push rod; 3053, adjustment cavity; 3054, sliding plate; 3055, second spring; 306, sliding rod; 307, sliding block; 308, first spring; 309, rocker arm; 310, threaded rod; 311, handle; 312, locking screw Mother; 4. Position limit assembly; 401. Insert rod; 402. Sleeve; 403. Position rod; 404. Fixing groove; 405. Locking piece; 4051. Moving rod; 4052. Locking block; 4053. Inclined portion; 4054. Third spring; 4055. Limit plate; 5. Lock release assembly; 501. Support ear; 502. Push rod; 503. Support rod; 504. First truncated cone sleeve; 505. Second truncated cone sleeve; 506. Third truncated cone sleeve; 507. Support plate; 508. Push plate; 509. Fourth spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Since irregular workpieces have various shapes and sizes, it is difficult for traditional rigid clamping mechanisms to achieve stable clamping of them, which will not only cause the workpiece to shift in position during processing, affecting the processing effect, but also cause damage to the workpiece.

[0023] Specifically, the existing positioning and adjustment devices are often designed to focus on clamping workpieces with regular shapes, but lack sufficient adaptability and flexibility for irregular workpieces.

[0024] The present invention provides a positioning adjustment device and a five-axis machine tool having the positioning adjustment device, which can perform adaptive adjustment according to a workpiece, ensure the stability of clamping, adapt to workpieces of different shapes and sizes, and improve versatility and flexibility.

[0025] like Figure 1 , Figure 3 and Figure 4 As shown, a positioning and adjusting device comprises a mounting plate 1, a circular frame 2 is fixedly connected to the top of the mounting plate 1; a plurality of flexible clamping components 3 are equidistantly arranged on the inner circumference of the circular frame 2; like Figure 5 and Figure 6As shown, the flexible clamping assembly 3 includes a moving plate 301, which is slidably connected to the inner bottom wall of the circular frame 2; a square frame 302 is rotatably connected to the moving plate 301, a strip groove is provided on the top of the square frame 302, a sliding rod 306 is fixedly connected in the strip groove, a sliding block 307 is slidably sleeved on the sliding rod 306, and a first spring 308 is movably sleeved on both sides of the sliding rod 306; a rocker arm 309 is rotatably connected to the top of the sliding block 307, and one end of the rocker arm 309 is rotatably connected to the moving plate 301; a support rod 303 is fixedly connected to the square frame 302, one end of the support rod 303 is fixedly connected to a fixed block 304, and a plurality of flexible fingers 305 are fixed on the fixed block 304; a threaded rod 310 is rotatably connected to the rear end of the moving plate 301, one end of the threaded rod 310 passes through the threaded hole of the circular frame 2 and extends to the outside, and one end of the threaded rod 310 is fixedly connected to a handle 311. Put the workpiece into the circular frame 2, the workpiece contacts the flexible finger 305, and the flexible finger 305 has a certain elasticity, and will make preliminary adaptation and adjustment according to the shape and size of the workpiece; rotate the handle 311, the threaded rod 310 will gradually advance along the threaded hole of the circular frame 2, push the moving plate 301 to slide along the inner bottom wall of the circular frame 2, and the square frame 302 and the support rod 303 will drive the flexible finger 305 to move together, gradually tightening the clamping of the workpiece. At the same time, the square frame 302 rotates on the moving plate 301, and the sliding block 307 slides on the sliding rod 306, driving the rocker 309 to rotate, and the flexible finger 305 is driven to rotate through the support rod 303 and the fixed block 304, which can be adaptively adjusted according to the shape and size of the workpiece to ensure the stability of the clamping. This design can adapt to workpieces of different shapes and sizes, and improves versatility and flexibility.

[0026] like Figure 7As shown, the flexible finger 305 includes a connecting rod 3501 and a support rod 3052. The connecting rod 3501 is fixedly connected to the inner wall of the fixed block 304. An adjustment cavity 3053 is provided in the support rod 3052. One end of the connecting rod 3501 passes through the support rod 3052 and extends into the adjustment cavity 3053. A sliding plate 3054 is fixedly sleeved on one end of the connecting rod 3501. A second spring 3055 is provided between the sliding plate 3054 and the inner wall of the adjustment cavity 3053. When the workpiece contacts the flexible finger 305, the push rod 3052 will be subjected to the squeezing force of the workpiece, and the squeezing force will be transmitted to the sliding plate 3054, so that the sliding plate 3054 slides inside the adjusting chamber 3053; as the sliding plate 3054 slides, the second spring 3055 will be compressed and generate a reaction force, and the reaction force will be transmitted to the push rod 3052, so that it will generate a certain clamping force on the workpiece. Since the second spring 3055 has a certain elasticity, it can be adaptively adjusted according to the shape and size of the workpiece to ensure uniform and stable clamping force; when the flexible finger 305 completely clamps the workpiece and reaches the required clamping force, the entire positioning and adjustment device can lock the workpiece in the specified position. At this time, the elastic force of the second spring 3055 and the squeezing force of the workpiece reach a balanced state, ensuring that the workpiece will not be displaced during the processing.

[0027] like Figure 4 As shown, the inner side wall of the circular frame 2 is equidistantly provided with arc grooves 201, and the width of the arc grooves 201 is greater than the width of the fixed block 304. The arc grooves 201 provide a swing space for the fixed block 304, and the angle of the flexible fingers 305 can be adaptively adjusted according to the shape and size of the workpiece.

[0028] like Figure 4 and Figure 5 As shown, a locking nut 312 is threadedly sleeved on the outer surface of the threaded rod 310, and the locking nut 312 abuts against the outer side wall of the circular frame 2. When the flexible fingers 305 completely clamp the workpiece and reach the required clamping force, the locking nut 312 is tightened to lock the threaded rod 310 on the circular frame 2. In this way, the entire positioning and adjustment device can stably lock the workpiece at a specified position, which is beneficial to subsequent processing.

[0029] like Figure 2 , Figure 8 and Fig.11As shown, the bottom of the circular frame 2 is fixedly connected with a plurality of position limiting components 4, the top of the mounting plate 1 is provided with a plurality of plug holes 101, the inner side wall of the mounting plate 1 is fixedly connected with a plurality of locking release components 5, the bottom of the position limiting component 4 is inserted into the plug hole 101, and the locking release component 5 is used to lock and unlock the position limiting component 4. The mounting plate 1 is fixedly mounted on the turntable of the five-axis machine tool, the circular frame 2 is placed on the top of the mounting plate 1, and the bottom of the position limiting component 4 is inserted into the plug hole 101, and the position limiting component 4 can be locked by the locking release component 5, which is convenient for fixing and installing the positioning adjustment device; when the positioning adjustment device needs to be replaced, the position limiting component 4 can be unlocked by the locking release component 5, so that the circular frame 2 can be removed from the mounting plate 1 or replaced.

[0030] like Figure 8 and Fig. 9 As shown, the position limiting assembly 4 includes an insert rod 401, which is fixedly connected to the bottom of the circular frame 2. A sleeve 402 is fixedly connected to the bottom of the insert rod 401. A fixing groove 404 is provided on the inner wall of the sleeve 402. A locking member 405 is connected to the fixing groove 404.

[0031] like Fig.10 As shown, the locking member 405 includes a moving rod 4051, one end of which is fixedly connected to a locking block 4052, an outer side of the locking block 4052 is provided with an inclined portion 4053, an outer surface of the moving rod 4051 is sleeved with a third spring 4054, one end of the third spring 4054 abuts against the locking block 4052, and the other end of the third spring 4054 abuts against the inner wall of the fixing groove 404, the other end of the moving rod 4051 passes through the sleeve 402 and extends to the outer side of the sleeve 402, and the other end of the moving rod 4051 is fixedly sleeved with a limit plate 4055.

[0032] like Fig.11 , Fig.12 and Fig.13 As shown, the locking release component 5 includes a support ear 501, which is fixedly connected to the inner wall of the mounting plate 1, and a push rod 502 is slidably inserted on the support ear 501. The top of the push rod 502 extends to the top of the support ear 501, and the top of the push rod 502 is fixedly connected to a support rod 503. The outer surface of the push rod 502 is fixedly sleeved with a first frustum sleeve 504, the top of the support rod 503 is fixedly connected with a second frustum sleeve 505, and the outer surface of the support rod 503 is slidably sleeved with a third frustum sleeve 506; the top of the outer surface of the push rod 502 is fixedly sleeved with a support plate 507, the bottom of the push rod 502 is fixedly connected with a push plate 508, and the outer surface of the push rod 502 is sleeved with a fourth spring 509, the top of the fourth spring 509 abuts against the bottom of the support ear 501, and the bottom of the fourth spring 509 abuts against the top of the push plate 508.

[0033] like Fig.13 As shown, the third frustum sleeve 506 is located between the first frustum sleeve 504 and the second frustum sleeve 505, the outer curved surface diameter of the first frustum sleeve 504 gradually decreases in the direction approaching the third frustum sleeve 506, the outer curved surface diameter of the second frustum sleeve 505 gradually decreases in the direction away from the third frustum sleeve 506, the outer curved surface diameter of the third frustum sleeve 506 gradually decreases in the direction away from the second frustum sleeve 505, and the maximum outer diameters of the second frustum sleeve 505 and the third frustum sleeve 506 are equal.

[0034] like Fig. 9 and Fig.13 As shown, the diameter of the support plate 507 is smaller than the inner diameter of the sleeve 402 , and the inner top wall of the sleeve 402 is fixedly connected with a positioning rod 403 , and the positioning rod 403 is movably inserted into the interior of the second truncated cone sleeve 505 .

[0035] like Fig.14 and Fig.15 As shown, the present invention also provides a five-axis machine tool, which includes three linear axes and two rotating axes. The three linear axes are respectively an X-axis, a Y-axis and a Z-axis. The X-axis is responsible for the left and right movement of the workpiece. Through the movement of the X-axis, the tool can process the workpiece in the horizontal direction. The Y-axis is perpendicular to the X-axis. The Y-axis is responsible for the forward and backward movement of the workpiece. The combination of the Y-axis and the X-axis enables the tool to perform two-dimensional precision processing on the plane of the workpiece. The Z-axis is the vertical movement axis of the five-axis machine tool, which is responsible for the up and down movement of the tool. Through the adjustment of the Z-axis, the relative height between the tool and the workpiece can be controlled, thereby realizing the depth processing of the workpiece.

[0036] The two rotating axes are A-axis and C-axis. A-axis usually rotates around X-axis, also called the rotating axis around X-axis. By rotating A-axis, the horizontal tilt angle of the tool relative to the workpiece can be changed, so as to realize the processing of complex curved surfaces. C-axis usually rotates around Z-axis, also called the rotating axis around Z-axis. The rotation of C-axis enables the tool to perform rotating processing around the axis of the workpiece. Through the coordinated movement of these five axes, the processing of complex curved surfaces and any angle in three-dimensional space can be realized.

[0037] like Fig.14 and Fig.15 As shown, a five-axis machine tool includes a positioning adjustment device, which is installed on the turntable of the five-axis machine tool. The positioning adjustment device can be adaptively adjusted according to the shape and size of the workpiece, and the installation and replacement of the positioning adjustment device are also relatively convenient, which greatly improves the operating convenience of the five-axis machine tool.

[0038] When in use, the mounting plate 1 is fixedly mounted on the turntable of the five-axis machine tool, and the sleeve 402 of the position limiting assembly 4 is inserted into the socket 101 of the mounting plate 1. When the sleeve 402 descends and approaches the locking release assembly 5, the positioning rod 403 begins to enter the interior of the second truncated cone sleeve 505; As the sleeve 402 continues to descend, the locking block 4052 moves downward along the outer curved surface of the second truncated cone sleeve 505. When the locking block 4052 passes over the maximum outer diameter of the second truncated cone sleeve 505 and reaches the bottom of the second truncated cone sleeve 505, the elastic force of the third spring 4054 pushes the locking block 4052 so that the locking block 4052 abuts against the outer surface of the support rod 503. At this time, the top of the locking block 4052 contacts the bottom of the second truncated cone sleeve 505, and the bottom of the sleeve 402 abuts against the top of the support ear 501, thereby locking the position of the position limiting component 4 and completing the installation of the positioning adjustment device. When the lock needs to be released, the push plate 508 is pushed upward, the fourth spring 509 is forced to shrink, and the second truncated cone sleeve 505 is driven to move upward through the push rod 502, the support plate 507 and the support rod 503. At this time, the inclined portion 4053 at the bottom of the locking block 4052 slides on the third truncated cone sleeve 506, and the third spring 4054 is forced to shrink and continue to push the push plate 508 upward, so that the locking block 4052 can pass the maximum diameter of the third truncated cone sleeve 506. The elastic force of the third spring 4054 is released, and the locking block 4052 slides downward on the outer curved surface of the second truncated cone sleeve 505 and moves to the bottom of the third truncated cone sleeve 506; At this time, the circular frame 2 is pulled upward, and the third truncated cone sleeve 506 is driven to move upward on the outer surface of the support rod 503 through the locking block 4052. The top of the third truncated cone sleeve 506 contacts the bottom of the second truncated cone sleeve 505. The circular frame 2 is pulled upward continuously, which causes the locking block 4052 to slide upward on the outer curved surface of the second truncated cone sleeve 505. When the locking block 4052 moves to the maximum outer diameter of the third truncated cone sleeve 506, since the maximum outer diameters of the second truncated cone sleeve 505 and the third truncated cone sleeve 506 are equal, the locking block 4052 can directly pass over the third truncated cone sleeve 506 and the second truncated cone sleeve 505, and the locking block 4052 is released from the lock on the bottom of the second truncated cone sleeve 505, and the circular frame 2 can be removed. Release the push plate 508, and under the action of the fourth spring 509, the support plate 507 moves downward and abuts against the top of the support ear 501, and the push plate 508 returns to the initial position; When clamping the workpiece, in the initial state, the flexible finger 305 is in a naturally extended state, and the two first springs 308 simultaneously apply a certain preload force to the sliding block 307 to keep the rocker arm 309 stable; When the workpiece is placed in the circular frame 2, the workpiece contacts the flexible fingers 305, which have a certain elasticity and will perform preliminary adaptation and adjustment according to the shape and size of the workpiece; By rotating the handle 311, the threaded rod 310 will gradually advance along the threaded hole of the circular frame 2, pushing the moving plate 301 to slide along the inner bottom wall of the circular frame 2, and the square frame 302 and the support rod 303 will drive the flexible fingers 305 to move together, gradually tightening the clamping of the workpiece. At the same time, the square frame 302 rotates on the moving plate 301, and the sliding block 307 slides on the sliding rod 306, driving the rocker arm 309 to rotate, and the flexible fingers 305 are driven to rotate through the support rod 303 and the fixed block 304, and can be adaptively adjusted according to the shape and size of the workpiece to ensure the stability of the clamping. This design can adapt to workpieces of different shapes and sizes, and improves versatility and flexibility.

[0039] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning and adjustment device, comprising a mounting plate (1), characterized in that: A circular frame (2) is fixedly connected to the top of the mounting plate (1); A plurality of flexible clamping components (3) are arranged at equal intervals on the inner circumference of the circular frame (2); The flexible clamping assembly (3) comprises a movable plate (301), and the movable plate (301) is slidably connected to the inner bottom wall of the circular frame (2); The movable plate (301) is rotatably connected to a square frame (302), a strip groove is provided on the top of the square frame (302), a slide rod (306) is fixedly connected in the strip groove, a slide block (307) is provided on a sliding sleeve on the slide rod (306), and first springs (308) are provided on movable sleeves on both sides of the slide rod (306); A rocker arm (309) is rotatably connected to the top of the sliding block (307), and one end of the rocker arm (309) is rotatably connected to the moving plate (301); A support rod (303) is fixedly connected to the square frame (302), one end of the support rod (303) is fixedly connected to a fixed block (304), and a plurality of flexible fingers (305) are fixed to the fixed block (304); The rear end of the movable plate (301) is rotatably connected to a threaded rod (310), one end of the threaded rod (310) passes through a threaded hole of the circular frame (2) and extends to the outside, and one end of the threaded rod (310) is fixedly connected to a handle (311).

2. The positioning adjustment device according to claim 1, characterized in that: The flexible finger (305) comprises a connecting rod (3501) and a supporting rod (3052); the connecting rod (3501) is fixedly connected to the inner wall of the fixed block (304); an adjusting cavity (3053) is provided in the supporting rod (3052); one end of the connecting rod (3501) passes through the supporting rod (3052) and extends into the adjusting cavity (3053); a sliding plate (3054) is fixedly sleeved on one end of the connecting rod (3501); a second spring (3055) is provided between the sliding plate (3054) and the inner wall of the adjusting cavity (3053).

3. The positioning adjustment device according to claim 1, characterized in that: The inner side wall of the circular frame (2) is provided with arc-shaped grooves (201) at equal intervals around the circumference, and the width of the arc-shaped grooves (201) is greater than the width of the fixing block (304).

4. The positioning and adjusting device according to claim 1, characterized in that: A locking nut (312) is threadedly sleeved on the outer surface of the threaded rod (310), and the locking nut (312) abuts against the outer side wall of the circular frame (2).

5. The positioning adjustment device according to claim 1, characterized in that: A plurality of position limiting components (4) are fixedly connected to the bottom of the circular frame (2), a plurality of plug holes (101) are provided on the top of the mounting plate (1), a plurality of locking release components (5) are fixedly connected to the inner side wall of the mounting plate (1), the bottom of the position limiting component (4) is inserted into the plug hole (101), and the locking release component (5) is used to lock and unlock the position limiting component (4).

6. The positioning adjustment device according to claim 5, characterized in that: The position limiting assembly (4) comprises an insertion rod (401), wherein the insertion rod (401) is fixedly connected to the bottom of the circular frame (2), a sleeve (402) is fixedly connected to the bottom of the insertion rod (401), a fixing groove (404) is provided on the inner wall of the sleeve (402), and a locking member (405) is connected inside the fixing groove (404).

7. The positioning adjustment device according to claim 6, characterized in that: The locking member (405) comprises a moving rod (4051), one end of the moving rod (4051) is fixedly connected to a locking block (4052), an outer side of the locking block (4052) is provided with an inclined portion (4053), an outer surface of the moving rod (4051) is sleeved with a third spring (4054), one end of the third spring (4054) abuts against the locking block (4052), the other end of the third spring (4054) abuts against the inner wall of the fixing groove (404), the other end of the moving rod (4051) passes through the sleeve (402) and extends to the outer side of the sleeve (402), and the other end of the moving rod (4051) is fixedly sleeved with a limiting plate (4055).

8. The positioning adjustment device according to claim 7, characterized in that: The locking release assembly (5) comprises a support ear (501), the support ear (501) is fixedly connected to the inner side wall of the mounting plate (1), a push rod (502) is slidably inserted on the support ear (501), the top of the push rod (502) extends to the top of the support ear (501), the top of the push rod (502) is fixedly connected to a support rod (503), the outer surface of the push rod (502) is fixedly sleeved with a first truncated cone sleeve (504), the top of the support rod (503) is fixedly connected with a second truncated cone sleeve (505), and the outer surface of the support rod (503) is slidably sleeved with a third truncated cone sleeve (506); A support plate (507) is fixedly sleeved on the top of the outer surface of the push rod (502), a push plate (508) is fixedly connected to the bottom of the push rod (502), a fourth spring (509) is sleeved on the outer surface of the push rod (502), the top of the fourth spring (509) abuts against the bottom of the support ear (501), and the bottom of the fourth spring (509) abuts against the top of the push plate (508).

9. The positioning adjustment device according to claim 8, characterized in that: The third truncated cone sleeve (506) is located between the first truncated cone sleeve (504) and the second truncated cone sleeve (505); the outer curved surface diameter of the first truncated cone sleeve (504) gradually decreases in a direction approaching the third truncated cone sleeve (506); the outer curved surface diameter of the second truncated cone sleeve (505) gradually decreases in a direction away from the third truncated cone sleeve (506); the outer curved surface diameter of the third truncated cone sleeve (506) gradually decreases in a direction away from the second truncated cone sleeve (505); and the maximum outer diameters of the second truncated cone sleeve (505) and the third truncated cone sleeve (506) are the same; The diameter of the support plate (507) is smaller than the inner diameter of the sleeve (402); a positioning rod (403) is fixedly connected to the inner top wall of the sleeve (402); and the positioning rod (403) is movably inserted into the interior of the second truncated cone sleeve (505).

10. A five-axis machine tool, comprising the positioning and adjusting device according to any one of claims 1 to 9.

Images