Quick switching tool clamp for machining center

Abstract

This utility model discloses a quick-change tooling fixture for a machining center, including an adjustment structure. Fixed plates are provided on both the left and right sides of the top of the adjustment structure. A switching structure is provided on the side of each fixed plate that is close to the other. An electric push rod is provided on the top of the adjustment structure, and a placement platform is provided on the top of the electric push rod. By providing the switching structure, the switching operation between different tooling fixtures can be realized quickly and accurately. It also has good adaptability, ensuring that tooling fixtures of different sizes can be firmly and accurately clamped, meeting the needs of complex and ever-changing production scenarios. With the adjustment structure, the position of the fixed plates can be flexibly adjusted according to different workpiece sizes and processing requirements, adapting to the placement requirements of workpieces of different sizes. It is not only easy to operate but also allows for rapid adjustment of the fixed plate position, further enhancing the machining center's ability to cope with different production needs.

Description

Technical Field

[0001] This utility model relates to the field of tooling and fixture technology, specifically a tooling and fixture for quick tooling changeover in machining centers. Background Technology

[0002] In traditional machining center operations, changing tooling fixtures is often a time-consuming and labor-intensive task. Since different workpieces require different fixtures for fixation, operators must manually disassemble and install the corresponding fixtures each time a workpiece is changed. This not only reduces production efficiency but also increases the workload for operators. Especially in machining scenarios that require frequent workpiece changes, this traditional method becomes a bottleneck restricting the improvement of production efficiency.

[0003] According to patent document CN223084230U, this utility model discloses a quick-change tooling fixture for a machining center, including a base with symmetrically arranged fixing plates at the top of the base. The advantages are as follows: By designing a support plate on one side wall of the mounting slot, when tooling needs to be changed, the motor drives the threaded cylinder to rotate, removing the threaded rod from the fixing hole. Pulling the pull plate causes the limiting plate to slide within the mounting slot, releasing the limitation on the tooling fixture. The tooling fixture can then be quickly changed by flipping it on the rotating shaft. Pushing the pull plate again pushes the limiting plate into the mounting slot, where it clamps and limits the flipped tooling fixture. The motor-driven rotation of the threaded cylinder precisely screws the threaded rod into the fixing hole of the tooling fixture, ensuring a more stable fixation of the flipped tooling fixture on the rotating shaft within the mounting slot. This eliminates the need for operators to re-fix the tooling fixture on the rotating shaft with screws, improving the convenience of fixing the changed tooling fixture.

[0004] The aforementioned technology proposes a method for quickly switching tooling fixtures in machining centers, which is cumbersome and affects the overall production rhythm. Moreover, it cannot be well adapted to tooling fixtures of different sizes. When faced with the processing needs of various tooling fixtures, its limitations are obvious. It cannot meet the complex and ever-changing production scenarios, and cannot fully leverage the efficiency improvement advantages brought by quickly switching tooling fixtures, thereby affecting the overall production efficiency and product quality stability of the machining center. Utility Model Content

[0005] The purpose of this utility model is to provide a quick-change tooling fixture for machining centers, in order to solve the problems of the aforementioned quick-change tooling fixture for machining centers being cumbersome to operate, affecting the overall production rhythm, and not being able to adapt well to workpieces of different sizes. When facing the processing needs of various tooling fixtures, its limitations are obvious, and it cannot meet the complex and ever-changing production scenarios, nor can it fully utilize the efficiency improvement advantages brought by quick-change tooling fixtures, thereby affecting the overall production efficiency and product quality stability of the machining center.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a quick-change tooling fixture for a machining center, comprising an adjustment structure, wherein fixed plates are provided on both the left and right sides of the top of the adjustment structure, and a switching structure is provided on the side of the two fixed plates that are close to each other; an electric push rod is provided on the top of the adjustment structure, and a placement platform is provided on the top of the electric push rod. The switching structure includes a switching component, and the outer wall of the switching component is arranged in a ring array with multiple fixed components.

[0007] Preferably, the switching assembly includes a concave plate, the front side of which is fixedly connected to the side of the fixed plate near the electric push rod. A circular movable hole extending through the concave plate is provided on the right side of the concave plate. A fixed rod is movably connected to the inner wall of the circular movable hole. A limit rod is fixedly connected to the left end of the fixed rod. The end of the limit rod away from the fixed rod is rotatably connected to the inner wall of the concave plate. A limit disc is fixedly connected to the right end of the fixed rod. A worm gear sleeve is fixedly connected to the outer wall of the limit disc.

[0008] Preferably, a concave block is fixedly connected to the bottom right side of the concave plate, a fixing block is fixedly connected to the front right side of the concave block, a fixing sleeve is fixedly connected to the rear right side of the concave block, a motor housing is fixedly connected to the front side of the fixing sleeve, a rotating shaft is movably connected to the inner wall of the fixing sleeve, a stepper motor is fixedly connected to the front end of the rotating shaft, the outer wall of the stepper motor is fixedly connected to the inner wall of the motor housing, a worm gear is fixedly connected to the rear end of the rotating shaft, and the rear end of the worm gear is rotatably connected to the front side of the fixing block.

[0009] Preferably, the fixing component includes a mounting plate, the left side of which is fixedly connected to the outer wall of the limiting rod, the right side of which has a mounting groove, the inner wall of which is movably connected to a tooling fixture, and the front and rear sides of the mounting plate are fixedly connected to connecting plates, and the upper sides of the two connecting plates are fixedly connected to rectangular sliding grooves on the sides of each other.

[0010] Preferably, the inner wall of the rectangular slide is movably connected to a slider 1, and a connecting plate 2 is fixedly connected to one side of the two sliders 1 that are close to each other. A pneumatic push rod is fixedly connected to the bottom of the connecting plate 2, and the bottom of the pneumatic push rod is fixedly connected to the top of the mounting plate. Rectangular movable holes penetrating into the interior are provided on both the left and right sides of the top of the mounting plate.

[0011] Preferably, insert plates are fixedly connected to both the left and right sides of the bottom of the second connecting plate, and anti-slip pads are fixedly connected to the bottom of the insert plates. The anti-slip pads and the outer walls of the insert plates are movably connected to the inner walls of the rectangular movable holes opened in the mounting plate.

[0012] Preferably, the adjustment structure includes an operating table. The top of the operating table has mounting slots on both the left and right sides. A circular movable hole (II) penetrating into the right mounting slot (II) is provided on the right side of the left mounting slot (II). A limit rod is movably connected to the inner wall of the circular movable hole (II) in the left mounting slot (II). A motor slot is provided on the top of the operating table near the right side of the right mounting slot (II). A circular movable hole (III) penetrating into the right mounting slot (II) is provided on the left side of the inner wall of the motor slot (II). Lead screws are fixedly connected to both ends of the limit rod. The left end of the lead screw is connected to the left mounting slot (II). The inner wall of the motor slot is rotatably connected, and the two lead screws are symmetrically positioned. The inner wall of the circular movable hole three in the motor slot is movably connected to the rotating shaft two. The right end of the rotating shaft two is fixedly connected to the drive motor. The outer wall of the drive motor is movably connected to the inner wall of the motor slot. The outer wall of the lead screw is threadedly connected to the slider two. The top of the operating table has two mounting slots three on the front and back sides of the left and right sides. The left and right sides of the inner wall of the mounting slot three are fixedly connected to the sliding rods. The outer wall of the sliding rods is movably connected to the sliding sleeves. The tops of the two sliding sleeves and the slider two on the left and right sides are respectively fixedly connected to the bottom of the two fixed plates.

[0013] Compared with the prior art, the beneficial effects of this utility model are: With its switching structure, the system enables quick and precise switching between different tooling fixtures. When faced with processing requirements for various tooling fixtures, this switching structure can flexibly adjust the tooling fixtures used according to the actual production scenario, thereby achieving rapid positioning and switching of different tooling fixtures. This greatly simplifies the operation process and effectively avoids the impact of cumbersome operations on the production rhythm. At the same time, it also has good adaptability, ensuring that tooling fixtures of different sizes can be clamped firmly and accurately, meeting the needs of complex and ever-changing production scenarios.

[0014] With an adjustable structure, the position of the fixed plate can be flexibly adjusted according to different workpiece sizes and processing requirements. In actual production, when faced with workpieces of various specifications, the fixed plate can be moved precisely in the horizontal direction on the operating table to change the distance between the two fixed plates, thereby adapting to the placement requirements of workpieces of different sizes. It is not only easy to operate, but also can quickly complete the adjustment of the fixed plate position, further enhancing the machining center's ability to meet different production needs. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the switching structure of this utility model; Figure 3 This is a schematic cross-sectional view of the switching component of this utility model; Figure 4This is a schematic diagram of the structure of the fixing component of this utility model; Figure 5 This is a schematic diagram of the adjustment structure of this utility model.

[0016] In the diagram: 1. Adjustment structure; 2. Fixing plate; 3. Switching structure; 4. Electric push rod; 5. Placement platform; 31. Switching assembly; 32. Fixing assembly; 311. Concave plate; 312. Fixing rod; 313. Limiting rod; 314. Limiting plate; 315. Worm gear sleeve; 316. Concave block; 317. Fixing block; 318. Worm; 319. Fixing sleeve; 310. Motor housing; 3101. Rotating shaft one; 3102. Stepper motor; 321. Mounting plate 322. Mounting slot one; 323. Tooling fixture; 324. Connecting plate one; 325. Rectangular slide rail; 326. Slider one; 327. Connecting plate two; 328. Pneumatic push rod; 329. Insert plate; 320. Anti-slip pad; 11. Operating table; 12. Mounting slot two; 13. Limiting rod; 14. Motor slot; 15. Lead screw; 16. Rotating shaft two; 17. Drive motor; 18. Slider two; 19. Mounting slot three; 10. Slide rod; 101. Sliding sleeve. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1 A quick-change tooling fixture for a machining center includes an adjustment structure 1. Fixing plates 2 are provided on both the left and right sides of the top of the adjustment structure 1. A switching structure 3 is provided on the side of the two fixing plates 2 that are close to each other. An electric push rod 4 is provided on the top of the adjustment structure 1. A placement platform 5 is provided on the top of the electric push rod 4.

[0019] Please see Figure 2-4The switching structure 3 includes a switching component 31. Multiple fixing components 32 are arranged in a ring array on the outer wall of the switching component 31. The switching component 31 includes a concave plate 311. The front side of the concave plate 311 is fixedly connected to the side of the fixing plate 2 near the electric push rod 4. A circular movable hole extending through the interior is opened on the right side of the concave plate 311. A fixing rod 312 is movably connected to the inner wall of the circular movable hole. A limit rod 313 is fixedly connected to the left end of the fixing rod 312. The end of the limit rod 313 away from the fixing rod 312 is rotatably connected to the inner wall of the concave plate 311. A limit disc 314 is fixedly connected to the right end of the fixing rod 312. A worm gear sleeve 315 is fixedly connected to the outer wall of the limit disc 314. The bottom right side of the concave plate 311 is fixedly connected to... A concave block 316 is provided, with a fixing block 317 fixedly connected to the front right side of the concave block 316. A fixing sleeve 319 is fixedly connected to the rear right side of the concave block 316. A motor housing 310 is fixedly connected to the front side of the fixing sleeve 319. A rotating shaft 3101 is movably connected to the inner wall of the fixing sleeve 319. A stepper motor 3102 is fixedly connected to the front end of the rotating shaft 3101. The outer wall of the stepper motor 3102 is fixedly connected to the inner wall of the motor housing 310. A worm gear 318 is fixedly connected to the rear end of the rotating shaft 3101. The rear end of the worm gear 318 is rotatably connected to the front side of the fixing block 317. The fixing assembly 32 includes a mounting plate 321. The left side of the mounting plate 321 is fixedly connected to the outer wall of the limiting rod 313. A mounting groove 322 is provided on the right side of the mounting plate 321. The inner wall of mounting groove 322 is movably connected to a tooling fixture 323. Connecting plates 324 are fixedly connected to both the front and rear sides of mounting plate 321. Rectangular slide grooves 325 are fixedly connected to the upper part of the two connecting plates 324 on their closest sides. Slider 326 is movably connected to the inner wall of the rectangular slide grooves 325. Connecting plate 327 is fixedly connected to the side of the two sliders 326 on their closest sides. A pneumatic push rod 328 is fixedly connected to the bottom of connecting plate 327. The bottom of the pneumatic push rod 328 is fixedly connected to the top of mounting plate 321. Rectangular movable holes penetrating to the interior are opened on both the left and right sides of the top of mounting plate 321. Insert plates 329 are fixedly connected to both the left and right sides of the bottom of connecting plate 327. Anti-slip devices are fixedly connected to the bottom of the insert plates 329. The outer walls of pad 320, anti-slip pad 320, and insert plate 329 are movably connected to the inner wall of the rectangular movable hole in mounting plate 321. Starting stepper motor 3102 causes rotating shaft 3101 to rotate, which in turn drives worm gear 318 to rotate. When worm gear 318 rotates, it meshes with worm wheel sleeve 315. Since worm wheel sleeve 315 is fixed to limiting plate 314, limiting plate 314 rotates accordingly. The rotation of limiting plate 314 causes fixed rod 312 to rotate within the circular movable hole in concave plate 311, thereby causing limiting rod 313, which is fixedly connected to the left end of fixed rod 312, to rotate within concave plate 311. The rotation of limiting rod 313 causes mounting plate 321 to switch positions.The tooling fixture 323 on the mounting plate 321 also switches quickly. When it is necessary to fix the tooling fixture 323, the tooling fixture 323 is inserted into the mounting slot 322. Then, the pneumatic push rod 328 is activated, which in turn moves the connecting plate 327. The movement of the connecting plate 327 causes the insert plate 329 and the anti-slip pad 320 to pass through the rectangular movable hole on the mounting plate 321 until the anti-slip pad 320 is in close contact with the top of the tooling fixture 323. At this time, the friction generated by the anti-slip pad 320 can effectively prevent the tooling fixture 323 from being in contact with the top of the tooling fixture 323. During the machining process, displacement occurs to ensure machining accuracy and stability. Then, the stepper motor 3102 controls the rotation of the switching component 31, switching the required tooling fixture 323 to the working position. When a different tooling fixture 323 needs to be changed, simply reverse the pneumatic push rod 328, which in turn moves the connecting plate 327, the insert plate 329, and the anti-slip pad 320, releasing the fixation of the current tooling fixture 323. This achieves rapid and accurate switching of the tooling fixture 323, greatly improving the machining center's processing efficiency and flexibility, and reducing production costs.

[0020] Please see Figure 5The adjustment structure 1 includes an operating platform 11. The top of the operating platform 11 has mounting slots 12 on both the left and right sides. A circular movable hole 12 is formed on the right side of the left mounting slot 12, extending into the right mounting slot 12. A limit rod 13 is movably connected to the inner wall of the circular movable hole 13 in the left mounting slot 12. A motor slot 14 is formed on the top of the operating platform 11 near the right side of the right mounting slot 12. A circular movable hole 13 is formed on the left side of the inner wall of the motor slot 14, extending into the right mounting slot 12. Both ends of the moving hole 3 and the limiting rotating rod 13 are fixedly connected to lead screws 15. The left end of the left lead screw 15 is rotatably connected to the inner wall of the left mounting groove 2 12. The two lead screws 15 are symmetrical. The inner wall of the circular movable hole 3 opened in the motor groove 14 is movably connected to the rotating shaft 2 16. The right end of the rotating shaft 2 16 is fixedly connected to the drive motor 17. The outer wall of the drive motor 17 is movably connected to the inner wall of the motor groove 14. The outer wall of the lead screw 15 is threadedly connected to the slider 2 18. The front left and right sides of the top of the operating table 11 are... Both sides are provided with mounting grooves 19. Slide rods 10 are fixedly connected to the left and right sides of the inner wall of the mounting grooves 19. Slide sleeves 101 are movably connected to the outer wall of the slide rods 10. The tops of the two slide sleeves 101 and the two sliders 18 are fixedly connected to the bottoms of the two fixed plates 2 respectively. By starting the drive motor 17 inside the motor slot 14, the rotating shaft 16 is driven to rotate. The rotation of the rotating shaft 16 will drive the right lead screw 15 connected to it to rotate. Then, the left lead screw 15 will be driven to rotate through the limit rotating rod 13. The rotation of the lead screw 15 will drive the slider 18 connected to its outer wall to move. The movement of the slider 18 will drive the fixed plate 2 fixedly connected to its top to move horizontally in sync. At the same time, the movement of the fixed plate 2 will drive the slide sleeves 101 to slide on the outer wall of the slide rods 10, which plays a guiding and supporting role, ensuring the stability and accuracy of the fixed plate 2 during the movement, thereby realizing the rapid adjustment of the tooling fixture position and improving the practicality of the device.

[0021] Working principle: By starting the stepper motor 3102, the rotating shaft 3101 rotates, which in turn drives the worm gear 318 to rotate. When the worm gear 318 rotates, it meshes with the worm wheel sleeve 315. Since the worm wheel sleeve 315 is fixed on the limiting plate 314, the limiting plate 314 rotates accordingly. The rotation of the limiting plate 314 drives the fixed rod 312 to rotate within the circular movable hole of the concave plate 311, which in turn causes the limiting rod 313, which is fixedly connected to the left end of the fixed rod 312, to rotate within the concave plate 311. The rotation of the limiting rod 313 causes the mounting plate 321 to switch positions, and the tooling fixture 323 set on the mounting plate 321 also switches quickly. When it is necessary to fix the tooling fixture 323, the tooling fixture 323 is inserted into the mounting groove 322, which in turn activates the pneumatic push rod 328, thereby driving the connecting rod to rotate. The connecting plate 327 moves, causing the insert plate 329 and anti-slip pad 320 to pass through the rectangular movable hole on the mounting plate 321 until the anti-slip pad 320 is in close contact with the top of the tooling fixture 323. At this time, the friction generated by the anti-slip pad 320 can effectively prevent the tooling fixture 323 from shifting during processing, ensuring the accuracy and stability of processing. Then, the stepper motor 3102 controls the switching component 31 to rotate, switching the required tooling fixture 323 to the working position. When it is necessary to change to a different tooling fixture 323, simply reverse the pneumatic push rod 328, which will drive the connecting plate 327, insert plate 329 and anti-slip pad 320 to move, releasing the fixation of the current tooling fixture 323. This achieves fast and accurate switching of the tooling fixture 323, greatly improving the processing efficiency and flexibility of the machining center and reducing production costs. By activating the drive motor 17 inside the motor slot 14, the rotating shaft 16 is driven to rotate. The rotation of the rotating shaft 16 drives the right lead screw 15 connected to it to rotate, which in turn drives the left lead screw 15 to rotate through the limit rod 13. The rotation of the lead screw 15 drives the slider 18 threadedly connected to its outer wall to move. The movement of the slider 18 drives the fixed plate 2 fixedly connected to its top to move horizontally in sync. At the same time, the movement of the fixed plate 2 causes the sliding sleeve 101 to slide on the outer wall of the sliding rod 10, which plays a guiding and supporting role, ensuring the stability and accuracy of the fixed plate 2 during the movement, thereby realizing the rapid adjustment of the tooling fixture position and improving the practicality of the device.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-change tooling fixture for a machining center, comprising an adjustment structure (1), characterized in that: The adjustment structure (1) has a fixing plate (2) on both the left and right sides of the top, and a switching structure (3) is provided on the side of the two fixing plates (2) that are close to each other. The adjustment structure (1) has an electric push rod (4) on the top, and a placement platform (5) is provided on the top of the electric push rod (4). The switching structure (3) includes a switching component (31), and the outer wall of the switching component (31) is arranged with a ring array of multiple fixing components (32).

2. The machining center quick-change tooling fixture according to claim 1, characterized in that: The switching assembly (31) includes a concave plate (311). The front side of the concave plate (311) is fixedly connected to the side of the fixed plate (2) near the electric push rod (4). A circular movable hole is opened on the right side of the concave plate (311) and extends into the interior. A fixed rod (312) is movably connected to the inner wall of the circular movable hole opened in the concave plate (311). A limit rod (313) is fixedly connected to the left end of the fixed rod (312). The end of the limit rod (313) away from the fixed rod (312) is rotatably connected to the inner wall of the concave plate (311). A limit disc (314) is fixedly connected to the right end of the fixed rod (312). A worm gear sleeve (315) is fixedly connected to the outer wall of the limit disc (314).

3. A machining center quick-change tooling fixture according to claim 2, characterized in that: A concave block (316) is fixedly connected to the bottom right side of the concave plate (311). A fixing block (317) is fixedly connected to the front right side of the concave block (316). A fixing sleeve (319) is fixedly connected to the rear right side of the concave block (316). A motor housing (310) is fixedly connected to the front side of the fixing sleeve (319). A rotating shaft (3101) is movably connected to the inner wall of the fixing sleeve (319). A stepper motor (3102) is fixedly connected to the front end of the rotating shaft (3101). The outer wall of the stepper motor (3102) is fixedly connected to the inner wall of the motor housing (310). A worm gear (318) is fixedly connected to the rear end of the rotating shaft (3101). The rear end of the worm gear (318) is rotatably connected to the front side of the fixing block (317).

4. A quick-change tooling fixture for a machining center according to claim 1, characterized in that: The fixing component (32) includes a mounting plate (321). The left side of the mounting plate (321) is fixedly connected to the outer wall of the limiting rod (313). The right side of the mounting plate (321) is provided with a mounting groove (322). The inner wall of the mounting groove (322) is movably connected to a tooling fixture (323). The front and rear sides of the mounting plate (321) are fixedly connected to connecting plates (324). The upper part of the two connecting plates (324) on the side closest to each other is fixedly connected to a rectangular slide groove (325).

5. A quick-change tooling fixture for a machining center according to claim 4, characterized in that: The inner wall of the rectangular slide (325) is movably connected to a slider (326). A connecting plate (327) is fixedly connected to one side of the two sliders (326) that are close to each other. A pneumatic push rod (328) is fixedly connected to the bottom of the connecting plate (327). The bottom of the pneumatic push rod (328) is fixedly connected to the top of the mounting plate (321). Rectangular movable holes penetrating into the interior are provided on both the left and right sides of the top of the mounting plate (321).

6. A quick-change tooling fixture for a machining center according to claim 5, characterized in that: The bottom left and right sides of the connecting plate 2 (327) are fixedly connected with insert plates (329), and the bottom of the insert plate (329) is fixedly connected with an anti-slip pad (320). The outer wall of the anti-slip pad (320) and the insert plate (329) is movably connected to the inner wall of the rectangular movable hole opened in the mounting plate (321).

7. A quick-change tooling fixture for a machining center according to claim 1, characterized in that: The adjustment structure (1) includes an operating table (11). The top of the operating table (11) has mounting slots (12) on both the left and right sides. A circular movable hole (2) penetrating into the right mounting slot (12) is provided on the right side of the left mounting slot (12). A limiting rotating rod (13) is movably connected to the inner wall of the circular movable hole (2) in the left mounting slot (12). A motor slot (14) is provided on the top of the operating table (11) near the right side of the right mounting slot (12). A circular movable hole (3) penetrating into the right mounting slot (12) is provided on the left side of the inner wall of the motor slot (14). Screws (15) are fixedly connected to both ends of the limiting rotating rod (13). The left end of the left screw (15) rotates with the inner wall of the left mounting slot (12). The two lead screws (15) are symmetrically connected. The inner wall of the circular movable hole three opened in the motor slot (14) is movably connected to the second rotating shaft (16). The right end of the second rotating shaft (16) is fixedly connected to the drive motor (17). The outer wall of the drive motor (17) is movably connected to the inner wall of the motor slot (14). The outer wall of the lead screw (15) is threadedly connected to the second slider (18). The top left and right sides of the top of the operating table (11) are provided with the third mounting slot (19). The left and right sides of the inner wall of the third mounting slot (19) are fixedly connected to the sliding rod (10). The outer wall of the sliding rod (10) is movably connected to the sliding sleeve (101). The tops of the two sliding sleeves (101) and the second slider (18) on the left and right sides are respectively fixedly connected to the bottom of the two fixed plates (2).

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