A high torque electric tool forming method and apparatus

Abstract

This invention discloses a high-torque power tool forming and processing method and apparatus, relating to the technical field of building profiles. It includes a base, a rotary platform mounted on the surface of the base, a clamping mechanism mounted on the top of the rotary platform, and an adjustment mechanism on one side of the rotary platform. This invention overcomes the drawbacks of traditional processing requiring multiple re-clamping and alignment through the coordinated operation of the rotary platform, the multi-dimensional adjustment mechanism, and the automatic centering clamping mechanism. After a workpiece is clamped once, it can be precisely indexed by the rotary platform. Combined with the flexible control of the tool's spatial position and angle by the adjustment mechanism, milling operations on various sides and inclined surfaces can be completed. This not only reduces the error of multiple clamping operations and ensures the positional accuracy between different machining surfaces, but also significantly reduces auxiliary time, resulting in a substantial improvement in the overall processing efficiency of a single workpiece. It is particularly suitable for the mass production of parts with multiple machining surfaces, such as high-torque power tool housings and gearboxes.

Description

Technical Field

[0001] This invention relates to the technical field of building profiles, and in particular to a high-torque electric tool forming and processing method and apparatus. Background Technology

[0002] High-torque power tools, such as heavy-duty drills, impact wrenches, and angle grinders, typically have core components (e.g., gearboxes, transmission housings) that are characterized by complex structures, numerous machined surfaces, and high requirements for dimensional accuracy and geometric tolerances. These components are mostly made of aluminum alloy or high-strength engineering plastics and have multiple bearing mounting holes, screw holes, and complex contour surfaces. These features are often located on different sides of the workpiece, and may even include inclined surfaces, posing a significant challenge to efficient and high-precision machining.

[0003] In existing technologies, the machining of such multifaceted workpieces is generally accomplished by using traditional general-purpose machine tools (such as vertical machining centers) with general-purpose fixtures in multiple clamping operations. After machining one reference surface and its associated features, the workpiece must be released, repositioned, and clamped again to machine another surface, and this process is repeated. This method has the following main drawbacks: First, the multiple clamping and alignment processes are cumbersome, resulting in large cumulative positioning errors. It is difficult to guarantee key geometric tolerances such as perpendicularity, parallelism, and coaxiality of hole systems between machined surfaces, directly affecting the assembly accuracy and transmission performance of the components. Second, auxiliary time (clamping and alignment) accounts for a high proportion, leading to low overall machining efficiency for single workpieces and making it difficult to meet the needs of mass production. Third, in the clamping stage, to adapt to different batches or models of workpieces, it is often necessary to adjust or change the fixtures. Although general-purpose vises or simple modular fixtures have a certain degree of flexibility, the uniformity and synchronization of clamping force are difficult to control precisely. For thin-walled or weakly rigid workpieces, if multiple independent cylinders are used to clamp from different directions, the clamping force is easily uneven due to slight differences in the action response or air pressure of each cylinder, which can cause local deformation or surface damage to the workpiece, affecting the processing quality and yield.

[0004] In addition, existing technologies also employ indexing heads or tilting rotary tables in conjunction with machine tools for angular positioning in order to machine side or inclined features. However, these solutions either rely on the high-value multi-axis linkage function of the machine tool, resulting in high equipment costs; or their indexing and positioning accuracy, rigidity, and resistance to cutting vibration are limited, making it difficult to meet the requirements of high-torque tool parts for machining quality and stability. Summary of the Invention

[0005] The purpose of this invention is to provide a high-torque electric tool forming process and apparatus to solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: including a base, a rotating platform is mounted on the surface of the base, a clamping mechanism is mounted on the top of the rotating platform, and an adjustment mechanism is provided on one side of the rotating platform;

[0007] The adjustment mechanism includes a stabilizing plate, which is fixedly connected to the top of the base. There are four stabilizing plates. A drive cylinder is fixedly connected to one side of one of the stabilizing plates. A movable base is fixedly connected to the output end of the drive cylinder. One side of the movable base is movably connected to a sliding rod. Both ends of the sliding rod are fixedly connected to one side of the stabilizing plate. A support plate is fixedly connected to the top of the movable base. A sliding groove is formed on the surface of the support plate. Limiting strips are fixedly connected to both sides of the sliding groove. A mounting frame is slidably connected to the surface of the limiting strips. A sliding block is fixedly connected to one side of the mounting frame. The sliding block is driven by a cylinder, which is fixedly connected to one side of the support plate. A motor is fixedly connected to one side of the mounting frame. A drive gear is fixedly connected to the output end of the motor. A driven gear is meshed with one side of the drive gear. A fixed shaft is fixedly connected to one side of the driven gear. A fixed sleeve is fixedly connected to one side of the fixed shaft. The fixed sleeve is movably connected inside the mounting frame. A motor is mounted on the fixed sleeve. A milling cutter is mounted on the output end of the motor.

[0008] In practical applications, the coordinated operation of the rotary platform, multi-dimensional adjustment mechanism, and automatic centering clamping mechanism overcomes the drawbacks of traditional machining that require multiple re-clamping and alignment. After the workpiece is clamped once, it can be precisely indexed by the rotary platform. Combined with the flexible control of the tool's spatial position and angle by the adjustment mechanism, milling operations on various sides and inclined surfaces can be completed. This not only reduces the errors of multiple clamping operations and ensures the positional accuracy between the machined surfaces, but also significantly reduces auxiliary time, resulting in a significant improvement in the overall machining efficiency of a single workpiece. It is particularly suitable for the mass production of parts with multiple machined surfaces, such as high-torque power tool housings and gearboxes.

[0009] Furthermore, the clamping mechanism includes a push cylinder, a moving block is fixedly connected to the telescopic end of the push cylinder, a rack is fixedly connected to one side of the moving block, a gear disk is meshed with one side of the rack, a rotating shaft is fixedly connected to the surface of the gear disk, the rotating shaft is rotatably connected to a rotary platform, a receiving plate is fixedly connected to the surface of the rotating shaft, a limit frame is fixedly connected to the surface of the receiving plate, a clamping block is slidably connected to the surface of the limit frame, a limit post is fixedly connected to the surface of the clamping block, an adjusting plate is fixedly connected to one end of the rotating shaft, an arc-shaped groove is formed on the surface of the adjusting plate, a limit post is slidably connected inside the arc-shaped groove, the rotary platform includes a mounting sleeve, a protective sleeve is fixedly connected to one side of the mounting sleeve, a bevel gear is rotatably connected inside the mounting sleeve, a turbine is meshed with one side of the bevel gear, a drive shaft is fixedly connected to the surface of the turbine, the drive shaft and the turbine are installed inside the protective sleeve, a rotating handle is fixedly connected to one end of the drive shaft, a rotary disk is fixedly connected to the top of the bevel gear, and the rotary disk is rotatably connected to the top of the mounting sleeve;

[0010] In practical applications, the clamping mechanism is driven by a pneumatic cylinder, which converts linear motion into rotation of a rotary table via a rack and pinion system. A specific curved groove on the adjustment plate controls all clamping blocks to synchronously and uniformly retract or open towards the center, ensuring that each clamping block applies a completely consistent clamping force to the workpiece. Compared to independently driven multiple cylinder clamping methods, this eliminates uneven clamping caused by response differences, effectively preventing deformation or indentation of workpieces with insufficient rigidity due to uneven force. While reliably fixing the workpiece, it maximizes the protection of workpiece integrity and improves the yield rate.

[0011] Further, installation and adjustment: Select the appropriate adjustment plate according to the model of the workpiece to be processed and install it on the clamping mechanism, and install the milling cutter of the corresponding specification on the motor output end;

[0012] Workpiece clamping: Place the workpiece on the receiving plate, start the push cylinder, and automatically center and lock the workpiece through the clamping principle;

[0013] Machining angle setting: Rotate the handle to rotate the workpiece so that the desired machining surface faces the adjustment mechanism. Adjust the milling cutter angle by using the motor in the adjustment mechanism to make it perpendicular to the surface to be machined or at a specific angle.

[0014] Tool positioning: Operate the drive cylinder and the cylinder in sequence to move the high-speed rotating milling cutter to the starting point of the workpiece to be machined area;

[0015] Milling: The milling cutter is controlled by the adjusting mechanism to move relative to the workpiece along a preset path to complete the milling of the surface;

[0016] Indexing and Changing Faces: Loosen the locking mechanism on the workpiece. The principle is the same as above, but the direction is reversed. Operate the rotary platform to rotate the workpiece to the next face to be processed. Relock and repeat steps 4-5 until all faces are processed.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] By utilizing the coordinated operation of a rotary platform, a multi-dimensional adjustment mechanism, and an automatic centering clamping mechanism, the drawbacks of traditional machining, which require multiple re-clamping and alignment, are overcome. After a workpiece is clamped once, it can be precisely indexed via the rotary platform. Combined with the flexible control of the tool's spatial position and angle by the adjustment mechanism, milling operations on various sides and inclined surfaces can be completed. This not only reduces the errors from multiple clamping operations and ensures the positional accuracy between different machined surfaces, but also significantly reduces auxiliary time, resulting in a substantial improvement in the overall machining efficiency of a single workpiece. It is particularly suitable for the mass production of parts with multiple machined surfaces, such as high-torque power tool housings and gearboxes.

[0019] The clamping mechanism is driven by a pneumatic cylinder, which converts linear motion into rotation of a rotary table via a rack and pinion system. A specific curved groove on the adjustment plate controls all clamping blocks to synchronously and uniformly retract or open towards the center, ensuring that each clamping block applies a completely consistent clamping force to the workpiece. Compared to independently driven multiple cylinder clamping methods, this eliminates uneven clamping caused by response differences, effectively preventing deformation or indentation of workpieces with insufficient rigidity due to uneven force. While reliably fixing the workpiece, it maximizes the protection of workpiece integrity and improves the yield rate. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure proposed in this invention;

[0021] Figure 2 This is a schematic diagram of the adjustment mechanism structure proposed in this invention;

[0022] Figure 3 This is a schematic diagram of the adjustment mechanism structure proposed in this invention;

[0023] Figure 4 This is a schematic diagram of the clamping mechanism structure proposed in this invention;

[0024] Figure 5 This is a schematic diagram of the rotary platform structure proposed in this invention.

[0025] In the diagram: 1. Base; 2. Adjustment mechanism; 20. Stabilizing plate; 21. Drive cylinder; 22. Sliding rod; 23. Moving base; 24. Support plate; 25. Limiting strip; 26. Sliding groove; 27. Sliding block; 28. Cylinder; 29. ​​Mounting frame; 291. Motor; 292. Drive gear; 293. Driven gear; 294. Fixed shaft; 295. Fixed sleeve; 3. Motor; 4. Rotary platform; 40. Mounting sleeve; 41. Protective sleeve; 42. Bevel gear; 43. Rotary disk; 44. Drive shaft; 45. Turbine; 46. Rotating handle; 5. Clamping mechanism; 50. Adjustment disc; 51. Arc groove; 52. Limiting post; 53. Clamping block; 54. Rotating shaft; 55. Limiting frame; 56. Receiving plate; 57. Gear disk; 58. Rack; 59. Moving block; 591. Push cylinder; 6. Milling cutter. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0027] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0028] Reference Figure 1-5 A high-torque electric tool forming processing method and apparatus includes a base 1, a rotary platform 4 mounted on the surface of the base 1, a clamping mechanism 5 mounted on the top of the rotary platform 4, and an adjustment mechanism 2 provided on one side of the rotary platform 4.

[0029] The adjusting mechanism 2 includes a stabilizing plate 20, which is fixedly connected to the top of the base 1. There are four stabilizing plates 20. A driving cylinder 21 is fixedly connected to one side of one of the stabilizing plates 20. A movable base 23 is fixedly connected to the output end of the driving cylinder 21. One side of the movable base 23 is movably connected to a sliding rod 22. Both ends of the sliding rod 22 are fixedly connected to one side of the stabilizing plate 20. A support plate 24 is fixedly connected to the top of the movable base 23. A sliding groove 26 is formed on the surface of the support plate 24. Limiting strips 25 are fixedly connected to both sides of the sliding groove 26. A mounting frame 29 is slidably connected to the surface of the limiting strips 25. A sliding block 27 is fixedly connected to one side of the mounting frame 29. The sliding block 27 is driven by a cylinder 28, which is fixedly connected to one side of the support plate 24. A motor 291 is fixedly connected to one side of the mounting frame 29. A drive gear 292 is fixedly connected to the output end of the motor 291. A driven gear 293 is meshed with one side of the drive gear 292. A fixed shaft 294 is fixedly connected to one side of the driven gear 293. A fixed sleeve 295 is fixedly connected to one side of the fixed shaft 294. The fixed sleeve 295 is movably connected inside the mounting frame 29. A motor 3 is mounted on the fixed sleeve 295. A milling cutter 6 is mounted on the output end of the motor 3.

[0030] In practical applications, the adjustment mechanism 2 is responsible for supporting and precisely positioning the machining tool, the milling cutter, and has adjustment capabilities in three dimensions: left and right, front and back, and up and down.

[0031] When adjusting the left and right X-axis, the drive cylinder 21 extends and retracts, pushing the movable base 23 to move horizontally along the sliding rod 22, thereby achieving a wide range of lateral position adjustment of the milling cutter unit relative to the workpiece.

[0032] During forward and backward Y-axis adjustment, cylinder 28 drives sliding block 27, which in turn moves the entire mounting frame 29 and its internal tool unit forward and backward along the sliding groove 26 on support plate 24. Limiting strip 25 ensures smooth movement without deviation.

[0033] When adjusting the angle, the motor 291 starts and drives the fixed shaft 294 and the fixed sleeve 295 connected thereto to rotate within the mounting frame 29 through the meshing of the drive gear 292 and the driven gear 293, thereby changing the axial angle of the motor 3 and the milling cutter 6.

[0034] Once the angle is adjusted to the correct position, motor 3 starts, directly driving the milling cutter 6 to rotate at high speed for cutting.

[0035] Reference Figure 1-5Furthermore, the clamping mechanism 5 includes a push cylinder 591, with a moving block 59 fixedly connected to the telescopic end of the push cylinder 591. A rack 58 is fixedly connected to one side of the moving block 59, and a gear disk 57 is meshed with one side of the rack 58. A rotating shaft 54 ​​is fixedly connected to the surface of the gear disk 57, and the rotating shaft 54 ​​is rotatably connected to the rotary platform 4. A receiving plate 56 is fixedly connected to the surface of the rotating shaft 54, and a limit frame 55 is fixedly connected to the surface of the receiving plate 56. A clamping block 53 is slidably connected to the surface of the limit frame 55, and a limit post 52 is fixedly connected to the surface of the clamping block 53. An adjusting plate is fixedly connected to one end of the rotating shaft 54. 50. The surface of the adjusting disc 50 is provided with an arc-shaped groove 51. A limit post 52 is slidably connected inside the arc-shaped groove 51. The rotary platform 4 includes a mounting sleeve 40. A protective sleeve 41 is fixedly connected to one side of the mounting sleeve 40. A bevel gear 42 is rotatably connected inside the mounting sleeve 40. A turbine 45 is meshed with one side of the bevel gear 42. A drive shaft 44 is fixedly connected to the surface of the turbine 45. The drive shaft 44 and the turbine 45 are installed inside the protective sleeve 41. A rotating handle 46 is fixedly connected to one end of the drive shaft 44. A rotary disk 43 is fixedly connected to the top of the bevel gear 42. The rotary disk 43 is rotatably connected to the top of the mounting sleeve 40.

[0036] The processing steps are as follows: Installation and adjustment: According to the model of the workpiece to be processed, select the appropriate adjustment plate 50 and install it on the clamping mechanism, and install the milling cutter of the corresponding specification on the output end of the motor 3;

[0037] Workpiece clamping: Place the workpiece on the receiving plate 56, start the push cylinder 591, and automatically center and lock the workpiece through the clamping principle.

[0038] Machining angle setting: Rotate the rotating handle 46 to drive the workpiece to rotate so that the required machining surface faces the adjustment mechanism 2 through the rotary platform 4. Adjust the milling cutter angle through the motor 291 in the adjustment mechanism so that it is perpendicular to the surface to be machined or forms a specific angle.

[0039] Tool positioning: Operate the drive cylinders 21 and 28 in sequence to move the high-speed rotating milling cutter 6 to the starting point of the workpiece to be machined area;

[0040] Milling: The milling cutter 6 is controlled by the adjusting mechanism to move relative to the workpiece along a preset path to complete the milling of the surface;

[0041] Indexing and changing surfaces: Loosen the locking of the workpiece by reversing the cylinder 591. The principle is the same as above but the direction is opposite. Operate the rotary platform 4 to rotate the workpiece to the next surface to be processed. After relocking, repeat steps 4-5 until all surfaces are processed.

[0042] In practical applications, the cylinder 591 is pushed out, which pushes the moving block 59 and the rack 58 to move linearly. The rack 58 drives the gear disk 57 meshing with it to rotate. The gear disk 57 drives the receiving disk 56 and the multiple limit frames 55 evenly distributed on it to rotate synchronously through the rotating shaft 54.

[0043] Each limiting frame 55 is slidably connected to a clamping block 53, and the limiting post 52 on the clamping block 53 is nested in the arc-shaped groove 51 of the adjusting plate 50. When the limiting frame 55 rotates with the receiving plate 56, the limiting post 52 is constrained by the contour of the arc-shaped groove 51, which forces the clamping block 53 to slide radially within the limiting frame 55, thereby synchronously converging or moving away from the center from all sides, realizing the clamping or releasing of the workpiece;

[0044] Rotating handle 46 causes drive shaft 44 and turbine 45 to rotate. Turbine 45 drives bevel gear 42, which meshes perpendicularly with it, to rotate, thus achieving speed reduction and torque increase, and changing the power direction from a horizontal axis to a vertical axis. Bevel gear 42 drives rotary table 43, which is fixedly connected to it, to rotate. Rotary table 43 is connected to clamping mechanism 5 above via rotating shaft 54, thereby enabling the clamped workpiece to perform precise angular indexing. Protective sleeve 41 is used to protect the internal gear transmission components.

[0045] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A high-torque electric tool forming device, characterized in that, Includes a base (1), a rotating platform (4) is mounted on the surface of the base (1), a clamping mechanism (5) is mounted on the top of the rotating platform (4), and an adjustment mechanism (2) is provided on one side of the rotating platform (4). The adjustment mechanism (2) includes a stabilizing plate (20), which is fixedly connected to the top of the base (1). There are four stabilizing plates (20). A driving cylinder (21) is fixedly connected to one side of one of the stabilizing plates (20). A movable base (23) is fixedly connected to the output end of the driving cylinder (21). One side of the movable base (23) is movably connected to a sliding rod (22). Both ends of the sliding rod (22) are fixedly connected to one side of the stabilizing plate (20). A support plate (24) is fixedly connected to the top of the movable base (23). A sliding groove (26) is provided on the surface of the support plate (24). Limiting strips (25) are fixedly connected to both sides of the sliding groove (26).

2. The high-torque electric tool forming device according to claim 1, characterized in that, The surface of the limiting strip (25) is slidably connected to the mounting frame (29), and a sliding block (27) is fixedly connected to one side of the mounting frame (29). The sliding block (27) is driven by a cylinder (28), which is fixedly connected to one side of the support plate (24).

3. The high-torque electric tool forming device according to claim 2, characterized in that, A motor (291) is fixedly connected to one side of the mounting frame (29). A drive gear (292) is fixedly connected to the output end of the motor (291). A driven gear (293) is meshed with one side of the drive gear (292). A fixed shaft (294) is fixedly connected to one side of the driven gear (293). A fixed sleeve (295) is fixedly connected to one side of the fixed shaft (294). The fixed sleeve (295) is movably connected inside the mounting frame (29). A motor (3) is mounted on the fixed sleeve (295). A milling cutter (6) is mounted on the output end of the motor (3).

4. The high-torque electric tool forming device according to claim 1, characterized in that, The clamping mechanism (5) includes a push cylinder (591), a moving block (59) is fixedly connected to the telescopic end of the push cylinder (591), a rack (58) is fixedly connected to one side of the moving block (59), a gear disk (57) is meshed to one side of the rack (58), a rotating shaft (54) is fixedly connected to the surface of the gear disk (57), the rotating shaft (54) is rotatably connected to the rotary platform (4), a receiving plate (56) is fixedly connected to the surface of the rotating shaft (54), a limit frame (55) is fixedly connected to the surface of the receiving plate (56), a clamping block (53) is slidably connected to the surface of the limit frame (55), and a limit post (52) is fixedly connected to the surface of the clamping block (53).

5. The high-torque electric tool forming device according to claim 4, characterized in that, One end of the rotating shaft (54) is fixedly connected to an adjusting plate (50), and an arc groove (51) is provided on the surface of the adjusting plate (50). A limit post (52) is slidably connected inside the arc groove (51).

6. The high-torque electric tool forming apparatus according to claim 1, characterized in that, The rotary platform (4) includes a mounting sleeve (40), a protective sleeve (41) is fixedly connected to one side of the mounting sleeve (40), a bevel gear (42) is rotatably connected inside the mounting sleeve (40), a turbine (45) is meshed on one side of the bevel gear (42), and a drive shaft (44) is fixedly connected to the surface of the turbine (45).

7. A high-torque electric tool forming apparatus according to claim 6, characterized in that, The drive shaft (44) and the turbine (45) are installed inside the protective sleeve (41). One end of the drive shaft (44) is fixedly connected to a rotating handle (46). The top of the bevel gear (42) is fixedly connected to a rotary disk (43), which is rotatably connected to the top of the mounting sleeve (40).

8. The high-torque power tool forming and processing method according to claim 1, characterized in that, Installation and adjustment: Select the appropriate adjustment plate (50) according to the model of the workpiece to be processed and install it on the clamping mechanism, and install the milling cutter of the corresponding specification on the output end of the motor (3); Workpiece clamping: Place the workpiece on the receiving plate (56), start the push cylinder (591), and automatically center and lock the workpiece through the clamping principle; Machining angle setting: Rotate the rotating handle (46) to drive the workpiece to rotate to the desired machining surface facing the adjustment mechanism (2) through the rotary platform (4). Adjust the milling cutter angle through the motor (291) in the adjustment mechanism to make it perpendicular to the surface to be machined or at a specific angle. Tool positioning: Operate the drive cylinder (21) and cylinder (28) in sequence to move the high-speed rotating milling cutter (6) to the starting point of the workpiece to be processed area; Milling: The milling cutter (6) is controlled by the adjustment mechanism to move relative to the workpiece along a preset path to complete the milling of the surface; Indexing and changing surfaces: Loosen the locking of the workpiece (by reversing the cylinder (591), the principle is the same as above but the direction is opposite), operate the rotary platform (4) to rotate the workpiece to the next surface to be processed, relock and repeat steps 4-5 until all surfaces are processed.

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