A composite milling machine for metal product processing

Abstract

The present application relates to the technical field of machining, and discloses a composite milling machine tool for metal product machining, which comprises a rack, the rack is assembled with a composite cutter module for machining a transmission shaft through an adjusting machine set arranged in the interior of the rack, and the rack is assembled with a bearing seat through a translation machine set arranged in the interior of the rack; wherein the bearing seat is assembled with a switching seat through a supporting assembly arranged in the interior of the bearing seat, wherein the bearing seat is assembled with a switching assembly for adjusting the working posture of the switching seat. The composite milling machine tool for metal product machining can effectively solve the problem that in the prior art, different clamping postures are required for machining key grooves and threaded holes of a transmission shaft, the workpiece needs to be dismounted and re-horizontally clamped after the threaded hole is machined, and the key groove is milled, repeated clamping leads to multiple conversion of positioning datum, cumulative positioning error is prone to be generated, and the machining precision between the key groove and the threaded hole is difficult to guarantee.

Description

Technical Field

[0001] This invention relates to the field of machining technology, specifically to a composite milling machine tool for processing metal products. Background Technology

[0002] Drive shafts are core metal components in mechanical transmission systems, widely used in various general-purpose mechanical equipment and automated transmission devices. Their machining accuracy directly determines the stability and service life of the equipment's transmission. In existing technologies, the outer circumferential surface of the drive shaft needs to be machined with an axial keyway, mainly used to achieve circumferential limiting and torque transmission between the drive shaft and transmission components such as gears and pulleys, preventing relative slippage and misalignment of components during transmission. The end of the drive shaft needs to be machined with a threaded hole, mainly used for axial locking and positioning of the drive shaft and its mounting components, achieving fixed assembly and axial limiting of the drive shaft, and ensuring the installation position accuracy of the drive shaft.

[0003] In existing machining methods, when drilling and tapping threaded holes at the end of the drive shaft, the tool spindle must be parallel to the workpiece axis. When milling keyways, the drive shaft must be clamped horizontally so that the milling cutter spindle is perpendicular to the workpiece axis. After the threaded hole is machined, the drive shaft must be removed from the fixture and re-clamped horizontally before keyway milling can be performed. The operation process is cumbersome, and the multiple clamping and posture changes lead to low efficiency. More importantly, the repeated disassembly and re-clamping cause multiple conversions of the positioning datum, which can easily generate cumulative positioning errors and make it difficult to guarantee the machining accuracy between the keyway and the end threaded hole. Summary of the Invention

[0004] To address the aforementioned shortcomings of existing technologies, this invention provides a composite milling machine tool for metal product processing. This tool effectively solves the problem in existing technologies where, during the machining of the drive shaft, the keyway and threaded hole require different clamping postures. After machining the threaded hole, the workpiece must be removed and re-clamped horizontally before the keyway can be milled. Repeated clamping leads to multiple conversions of the positioning datum, which easily generates cumulative positioning errors and makes it difficult to guarantee the machining accuracy between the keyway and the threaded hole.

[0005] To achieve the above objectives, the present invention provides the following technical solution: This invention provides a composite milling machine tool for processing metal products, comprising: A frame, wherein a composite tool module for machining a drive shaft is assembled by an adjustment mechanism disposed therein, and a support is assembled by a translation mechanism disposed therein; The carrier is equipped with a switching seat by a support component disposed inside it, and a clamp for constraining the drive shaft is mounted on the top of the switching seat. The bearing seat is equipped with a switching component for adjusting the working posture of the switching seat. When a threaded hole needs to be opened at the end of the transmission shaft to be processed, the switching component, together with the support component, adjusts the switching seat to a vertical state. When a keyway needs to be opened on the outer circumference of the transmission shaft to be processed, the switching component, together with the support component, adjusts the switching seat to a horizontal state.

[0006] Furthermore, the support assembly includes corner blocks fixedly installed on the top of the support base, and the corner blocks are provided in two sets and symmetrically distributed along the central surface of the support base. Each set of corner blocks has two corner blocks and is symmetrically distributed along the central surface of the support base. The top of the corner block is provided with a semi-circular groove, and the interior of the support base is provided with a through hole. The outer side of the switching seat is fixedly installed with a bearing shaft that fits against the inner wall of the semi-circular groove.

[0007] Furthermore, the two corner blocks in the same group are equipped with baffles through the sliding grooves opened inside them, and the top of the bearing seat is fixedly installed with an electric slide rail connected to the outside of the baffle. The baffle has a groove inside that fits with the outer circumferential surface of the bearing shaft.

[0008] Furthermore, the support seat has a support block slidably mounted on it via a guide groove provided inside it, an mounting plate is fixedly mounted inside the support seat, and a guide rod connected to the support block is slidably mounted inside the mounting plate, with a return spring sleeved on the outer circumference of the guide rod.

[0009] Furthermore, the support block has an arc-shaped opening on the side away from the guide rod, and a rod frame that fits against the inner wall of the arc-shaped opening of the support block is fixedly installed inside the switching seat.

[0010] Furthermore, the switching assembly includes a drive shaft rotatably mounted on the bottom of the support base, a drive motor fixedly mounted on the bottom of the support base and connected to the end of the drive shaft, a first support arm fixedly mounted on the outer circumference of the drive shaft, and two first support arms symmetrically distributed along the center plane of the support base, and a second support arm rotatably mounted on the side of the first support arm away from the drive shaft and connected to the switching base.

[0011] Furthermore, the second support arm is slidably mounted with a limiting block through an movable hole opened inside it. The outer side of the limiting block is provided with a limiting groove that fits against the outer side of the first support arm. There are two limiting grooves and they are symmetrically distributed along the center plane of the limiting block. The side of the limiting groove near the first support arm is provided with a tapered guide structure.

[0012] Furthermore, the limiting block is connected to the inner wall of the movable hole by a compression spring disposed on its outer side, and a magnetic component is fixedly installed inside the limiting block, and the magnetic component is magnetically connected to the inner wall of the movable hole.

[0013] The technical solution provided by this invention has the following advantages compared with the prior art: This invention comprises a bearing seat, a switching seat, a support assembly, and a switching component. The drive shaft only needs to be clamped and positioned once in an initial horizontal position by the fixture on the top of the switching seat. Relying on the switching component consisting of a drive motor, drive shaft, support arm one, and support arm two at the bottom of the bearing seat, and in conjunction with the support assembly consisting of corner blocks, bearing shaft, and stop frame, the switching seat is automatically driven to switch back and forth between horizontal and vertical positions. When the switching seat is in a horizontal position, the composite tool module performs keyway milling on the drive shaft, while when the switching seat is in a vertical position, the composite tool module performs thread hole machining on the end of the drive shaft. This achieves the effect of multiple processes in one clamping, effectively improving the stability and accuracy of the drive shaft during machining and avoiding the introduction of a large number of errors.

[0014] This invention includes a support block, a guide rod, and a return spring, which work in conjunction with the rod frame on the switching seat. When the switching seat rotates to a vertical position, the rod frame deflects with the switching seat and pushes against the support block. After compressing the return spring, the support block moves directly below the drive shaft, forming axial support to counteract the axial force generated by drilling and tapping, preventing the workpiece from axially slipping within the fixture. Simultaneously, the first and second support arms of the switching assembly are hinged structures. When the magnetic component inside the second support arm is energized, it generates magnetic attraction, pulling the limiting block inward against the spring force of the compression spring. The limiting grooves on both sides of the limiting block engage with the outer wall of the first support arm, locking the movable hinged structure into a rigid whole. After locking, the first and second support arms form a rigid connecting rod, which, together with the switching seat and the bearing seat, constitutes a stable support structure, completely locking the vertical posture of the workpiece and preventing the mechanism from loosening or tilting during processing. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present invention; Figure 2 This is a schematic diagram of the planar structure of an embodiment of the present invention; Figure 3 This is a three-dimensional structural diagram of the support base and switching base according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the three-dimensional separation structure of the support component according to an embodiment of the present invention; Figure 5 This is an embodiment of the present invention. Figure 4 A magnified structural diagram of part A in the middle; Figure 6 This is a schematic diagram of the three-dimensional separation structure of the switching component according to an embodiment of the present invention; Figure 7 This is a cross-sectional view of the limiting block according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the horizontal state structure of the switching seat according to an embodiment of the present invention.

[0017] The labels in the diagram represent: 100. Drive shaft; 1. Frame; 11. Adjustment unit; 12. Translation unit; 2. Composite tool module; 3. Bearing seat; 31. Guide groove; 32. Mounting plate; 4. Support assembly; 41. Corner block; 42. Semi-circular groove; 43. Slide groove; 44. Stop; 441. Groove; 45. Electric slide rail; 46. Support block; 47. Guide rod; 48. Return spring; 5. Switching seat; 51. Clamp; 52. Bearing shaft; 53. Rod frame; 6. Switching assembly; 61. Drive shaft; 62. Drive motor; 63. Support arm one; 64. Support arm two; 641. Movable hole; 642. Compression spring; 65. Limit block; 651. Limit groove; 652. Magnetic component. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0019] The present invention will be further described below with reference to embodiments.

[0020] Example:

[0021] Please see Figures 1-8 This invention provides a technical solution: a composite milling machine tool for processing metal products, comprising: The frame 1 is equipped with a composite tool module 2 for machining the drive shaft 100 via an adjustment unit 11 located inside it. The frame 1 is also equipped with a support 3 via a translation unit 12 located inside it. The adjustment unit 11 is used to adjust the position of the composite tool module 2 so that it can move along the Y-axis and X-axis. The composite tool module 2 is equipped with a drive unit for driving the cutter head to rotate along its central axis. The cutter head is equipped with a milling cutter, a tap, and a drilling tool in sequence along its rotation direction. The drive unit can switch each tool to a vertical position to facilitate subsequent keyway milling and thread hole machining of the drive shaft 100.

[0022] The carrier 3 is equipped with a switching seat 5 by a support component 4 disposed inside it, and the top of the switching seat 5 is equipped with a clamp 51 for constraining the drive shaft 100. The bearing seat 3 is equipped with a switching component 6 for adjusting the working posture of the switching seat 5. When the end of the transmission shaft 100 to be processed needs to be threaded, the switching component 6, together with the support component 4, adjusts the switching seat 5 to a vertical state. When the outer circumferential surface of the transmission shaft 100 to be processed needs to be keyway, the switching component 6, together with the support component 4, adjusts the switching seat 5 to a horizontal state.

[0023] The support assembly 4 includes corner blocks 41 fixedly installed on the top of the support base 3. There are two sets of corner blocks 41, which are symmetrically distributed on the left and right sides along the center plane of the support base 3. Each set of corner blocks 41 has two corner blocks 41, which are symmetrically distributed on the front and back sides along the center plane of the support base 3. A semi-circular groove 42 is opened on the top of the corner block 41. A through hole is opened inside the support base 3. The support base 3 has a through hole, which can provide movement space for the first support arm 63 and the second support arm 64, and avoid interference between the first support arm 63 and the second support arm 64 during rotation. A bearing shaft 52 that fits against the inner wall of the semi-circular groove 42 is fixedly installed on the outer side of the switching seat 5.

[0024] Two corner blocks 41 in the same group are fitted with a stop 44 through a sliding groove 43 inside the block. The top of the support seat 3 is fixedly installed with an electric slide rail 45 connected to the outside of the stop 44. The stop 44 has a slot 441 inside that fits against the outer circumference of the support shaft 52. The stop 44 is slidably fitted into the corresponding sliding groove 43 of the two corner blocks 41 in the same group, and its sliding direction is configured to be away from the end face to be processed of the transmission shaft 100. During the process of the switching component 6 driving the switching seat 5 to perform posture conversion, the stop 44 moves along this direction, so that the slot 441 inside it cooperates with the semi-circular groove 42 on the top of the corner block 41 to form a radial constraint on the support shaft 52.

[0025] The support block 46 is slidably mounted on the support seat 3 through the guide groove 31 provided inside it. The mounting plate 32 is fixedly mounted inside the support seat 3, and the guide rod 47 connected to the support block 46 is slidably mounted inside the mounting plate 32. A reset spring 48 is sleeved on the outer circumference of the guide rod 47.

[0026] The support block 46 has an arc-shaped opening on the side away from the guide rod 47, and a rod 53 that fits against the inner wall of the arc-shaped opening of the support block 46 is fixedly installed inside the switching seat 5.

[0027] The switching assembly 6 includes a drive shaft 61 rotatably mounted on the bottom of the support base 3. A drive motor 62 connected to the end of the drive shaft 61 is fixedly mounted on the bottom of the support base 3. A first support arm 63 is fixedly mounted on the outer circumference of the drive shaft 61. Two first support arms 63 are provided and are symmetrically distributed along the center plane of the support base 3. A second support arm 64 connected to the switching base 5 is rotatably mounted on the side of the first support arm 63 away from the drive shaft 61.

[0028] Support arm 2 64 is slidably mounted with a limiting block 65 through a movable hole 641 formed inside it. The outer side of the limiting block 65 has a limiting groove 651 that fits against the outer side of support arm 1 63. Two limiting grooves 651 are provided and symmetrically distributed along the central surface of the limiting block 65. The side of the limiting groove 651 closest to support arm 1 63 is designed with a tapered guide structure. When the magnetic component 652 stops working, the limiting block 65 slides back to its initial assembly position along the movable hole 641 under the elastic restoring force of the compression spring 642. The effective stroke of the movable hole 641 can accommodate the folding and retracting movements of support arm 1 63 and support arm 2 64, ensuring that the limiting block 65 does not mechanically interfere with the folding movements of support arm 1 63 and support arm 2 64. In this device, both the reset spring 48 and the compression spring 642 are high-stiffness springs. After the support block 46 and the limit block 65 are reset to the reference position, the two types of springs effectively suppress the large reciprocating movement and elastic oscillation of the components by relying on the preload force, so that the components are stably stopped in the initial position.

[0029] The limiting block 65 is connected to the inner wall of the movable hole 641 via a compression spring 642 located on its outer side. A magnetic component 652 is fixedly installed inside the limiting block 65, and the magnetic component 652 is magnetically connected to the inner wall of the movable hole 641. The magnetic component 652 is an electromagnet, and a magnetic medium is installed on the inner wall of the movable hole 641. When energized, the electromagnet generates an electromagnetic attraction force, forcing the limiting block 65 to slide inward into the movable hole 641, overcoming the elastic force of the compression spring 642 to lock the first support arm 63 and the second support arm 64. When the power is cut off, the electromagnetic force disappears instantly, and the compression spring 642 releases its elastic force to push the limiting block 65 back to its original position, thus achieving automatic unlocking.

[0030] The working principle and advantages of this composite milling machine tool for metal product processing: When drilling and tapping the threaded hole at the end of the drive shaft 100, the tool spindle must be parallel to the workpiece axis. When performing keyway milling, the drive shaft 100 must be clamped in a horizontal position so that the milling cutter spindle is perpendicular to the workpiece axis. After the threaded hole is machined, the drive shaft 100 must be removed from the fixture 51 and re-clamped horizontally before keyway milling can be performed.

[0031] In this invention, through the coordinated action of the switching component 6 and the support component 4, the switching seat 5, which clamps the drive shaft 100, is automatically switched between vertical and horizontal working postures. This allows for the completion of the combined machining of the threaded hole at the end of the drive shaft 100 and the keyway on its outer circumference on the same machine tool. The specific process is as follows: In the initial state of the equipment, the switching seat 5 is in a horizontal position. This station is the workpiece clamping station. The operator places the drive shaft 100 to be processed into the fixture 51 on the top of the switching seat 5 to complete the clamping and positioning. The horizontal layout reduces the difficulty of workpiece clamping. After the workpiece is clamped, the threaded hole at the end of the drive shaft 100 is processed first according to the processing flow. Before the formal processing, a series of actions must be completed in sequence, including limiting the bearing shaft 52, deflecting the workpiece posture, axial auxiliary support, and rigid locking of the posture.

[0032] Bearing shaft 52 limiting process: First, the electric slide rail 45 in the support assembly 4 is activated. The electric slide rail 45 drives the stop 44 to move directionally along the slide groove 43 inside the corner block 41. The corner block 41 of this equipment is symmetrically arranged, and a semi-circular groove 42 is opened on its top. The bearing shaft 52 fixed on the outside of the switching seat 5 is assembled inside the semi-circular groove 42. After the stop 44 moves, its internal groove 441 is tightly fitted with the outer circle of the bearing shaft 52 on the side away from the end face to be processed of the transmission shaft 100. The groove 441 and the semi-circular groove 42 form a closed limiting structure, which restricts the radial movement and disengagement of the bearing shaft 52 on this side, and provides a stable rotation fulcrum for the subsequent deflection of the switching seat 5.

[0033] The stop 44 is slidably assembled in the corresponding grooves 43 of the two corner blocks 41 in the same group, and its sliding direction is configured to be away from the end face to be processed of the drive shaft 100. During the process of the switching component 6 driving the switching seat 5 to perform posture conversion, the stop 44 moves along this direction, so that the slot 441 opened inside it cooperates with the semi-circular groove 42 on the top of the corner block 41 to form a radial constraint on the bearing shaft 52. The bearing shaft 52 limited by the slot 441 and the semi-circular groove 42 is always the bearing shaft 52 located away from the end face to be processed of the drive shaft 100.

[0034] The process of adjusting the vertical posture of switch seat 5: After the bearing shaft 52 is limited, the drive motor 62 at the bottom of the bearing seat 3 outputs torque to drive the drive shaft 61 to rotate along its own central axis. The two arms 63, which are symmetrically fixed on the outer circumference of the drive shaft 61, rotate synchronously. The first arm 63 is hinged to the second arm 64. The other end of the second arm 64 is rotatably mounted at the center of the bottom of the switching seat 5. The rotating first arm 63 drives the second arm 64 to apply a lifting force to the switching seat 5 through the hinge structure. Due to the limitation of the bearing shaft 52 on one side, the switching seat 5 deflects with the central axis of the bearing shaft 52 on that side as the center of rotation, and gradually changes from a horizontal posture to a vertical posture, so that the end face of the transmission shaft 100 to be processed is facing upward, matching the process posture requirements of thread hole drilling and tapping.

[0035] During the deflection of the switching seat 5, the fixed rod 53 on the switching seat 5 rotates synchronously around the bearing shaft 52. The rod 53 gradually contacts the arc-shaped opening end of the support block 46 inside the bearing seat 3 and generates a pushing action. When the pushing force is greater than the preload of the return spring 48, the support block 46 slides downward along the guide groove 31 towards the workpiece. The guide rod 47 moves synchronously with the support block 46 and further compresses the return spring 48. When the switching seat 5 is completely switched to the vertical position, the support block 46 moves exactly below the drive shaft 100, forming axial support for the workpiece. This effectively counteracts the axial component force brought by the cutting force during drilling and tapping operations, prevents the drive shaft 100 from axially slipping inside the fixture 51, and ensures the machining dimensional accuracy of the threaded hole.

[0036] After the switching seat 5 reaches the vertical machining posture, support arms 1 63 and 2 64 are arranged in parallel. At this time, the magnetic component 652 in the movable hole 641 of support arm 2 64 is energized to generate magnetic attraction, driving the limiting block 65 to slide inward against the elastic force of the compression spring 642. The limiting grooves 651 symmetrically arranged on the outer side of the limiting block 65 precisely fit with the outer wall of support arm 1 63, locking the originally hinged and movable support arms 1 63 and 2 64 into a rigid whole. After locking, support arms 1 63 and 2 64 form a rigid connecting rod, which, together with the switching seat 5 and the bearing seat 3, constitutes a stable rigid support system, completely locking the vertical posture of the workpiece and preventing the mechanism from loosening during drilling, which would cause the transmission shaft 100 to shift and affect the machining accuracy.

[0037] The limiting groove 651 on the limiting block 65, which mates with the support arm 63, has a tapered flared end facing the support arm 63. The tapered flared end forms a continuous tapered guide slope. When the magnetic component 652 drives the limiting block 65 to slide and engage with the support arm 63, it can achieve adaptive guidance and automatic centering of the support arm 63. This can compensate for the fit clearance, assembly error and slight deformation caused by long-term use of the mechanical mechanism, and prevent the support arm 63 from experiencing slight positional deviation. Straight groove structures are prone to misalignment and engagement failure, while the tapered structure can accommodate a certain range of positional deviations, guiding the limiting groove 651 to smoothly engage with the outside of the support arm 63, ensuring that the attitude locking action is completed in one go and avoiding mechanism jamming. At the same time, the limiting block 65 is equipped with a roller assembly, which changes the contact between the support arm 64 and the limiting block 65 from surface contact to rolling contact, thereby improving the smoothness of the movement of the limiting block 65.

[0038] Threaded hole machining process: After the first support arm 63 and the second support arm 64 are locked, the translation unit 12 inside the frame 1 drives the bearing seat 3 and the entire workpiece above to translate along the X-axis to the preset processing position. Then, the drive unit in the composite tool module 2 is used to make the tool head that is used to install the tool rotate along its own central axis, which can rotate the drilling tool to the vertical processing position.

[0039] After the tool adjustment is completed, the adjusting unit 11 controls the composite tool module 2 to feed along the Y-axis, so that the composite tool module 2 moves to the preset position. Then, the adjusting unit 11 controls the composite tool module 2 to move along the Z-axis to complete the drilling of the bottom hole at the end of the transmission shaft 100. After drilling is completed, the tool retracts to the safe area along the Z-axis. The composite tool module 2 switches the tap to the working tool and controls the tap to feed again through the adjusting unit 11 to complete the internal thread tapping of the bottom hole. After the entire thread hole process is completed, the tap returns to the initial position.

[0040] Switching seat 5 horizontal attitude adjustment process: After the threaded hole is machined, the workpiece posture reset and keyway milling process begins. First, the power supply to the magnetic component 652 is cut off, the magnetic attraction disappears, and the compression spring 642 releases its elastic potential energy to push the limit block 65 to reset, releasing the clamping constraint of the limit block 65 on the first support arm 63. The first support arm 63 and the second support arm 64 return to their hinged state. Then, the drive motor 62 rotates in the opposite direction, driving the drive shaft 61 and the first support arm 63 to rotate. The first support arm 63 and the second support arm 64 fold and retract, pulling the switching seat 5 to deflect in the opposite direction around the limit bearing shaft 52, gradually resetting from a vertical posture to a horizontal posture. During the swinging process of the switching seat 5, the rod 53 and the support block 46 gradually disengage, and the reset spring 48 pushes the support block 46 to slide along the guide groove 31 to the initial position, releasing the axial support on the drive shaft 100.

[0041] Keyway machining process: After the switching seat 5 fully returns to a horizontal position, the axis of the drive shaft 100 is horizontal. The composite tool module 2 switches the milling cutter to the working tool, and, in conjunction with the translation unit 12 and the adjustment unit 11, performs multi-axis position fine-tuning of the milling cutter, so that the milling cutter spindle is perpendicular to the axis of the drive shaft 100, meeting the process conditions for keyway milling. Subsequently, the equipment executes the milling feed action, machining an axial keyway on the outer circumference of the drive shaft 100. After the keyway milling is completed, the composite tool module 2, the translation unit 12, and the adjustment unit 11 all return to their initial positions. The operator releases the clamp 51 and removes the machined drive shaft 100, thus completing the entire machining process for a single workpiece.

[0042] It is worth noting that during the keyway milling process when the switching seat 5 is in a horizontal position, the electric slide rail 45 remains energized or in a self-locking state, and the drive stop 44 is maintained in the limited position within the slide groove 43, so that the groove 441 inside it and the semi-circular groove 42 at the top of the corner block 41 continuously work together to constrain the bearing shaft 52. During keyway milling, the milling cutter rotates and generates a periodic radial cutting force, which is transmitted to the switching seat 5 and the bearing shaft 52 through the transmission shaft 100. After the stop 44 and the corner block 41 continuously limit the bearing shaft 52, the stop 44 and the corner block 41 together form a double-point constraint on the bearing shaft 52, so that the milling process proceeds smoothly.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A composite milling machine tool for processing metal products, characterized in that, include: The frame (1) is equipped with a composite tool module (2) for machining the drive shaft (100) by means of an adjustment unit (11) disposed therein, and the frame (1) is equipped with a bearing seat (3) by means of a translation unit (12) disposed therein. The carrier (3) is equipped with a switching seat (5) by a support component (4) disposed inside it, and the top of the switching seat (5) is equipped with a clamp (51) for constraining the drive shaft (100). The bearing seat (3) is equipped with a switching component (6) for adjusting the working posture of the switching seat (5). When the end of the transmission shaft (100) to be processed needs to be threaded, the switching component (6) and the support component (4) adjust the switching seat (5) to a vertical state. When the outer circumferential surface of the transmission shaft (100) to be processed needs to be keyed, the switching component (6) and the support component (4) adjust the switching seat (5) to a horizontal state.

2. The composite milling machine tool for processing metal products according to claim 1, characterized in that: The support component (4) includes corner blocks (41) fixedly installed on the top of the support base (3), and the corner blocks (41) are provided in two sets and are symmetrically distributed on the left and right sides along the center surface of the support base (3). Each set of corner blocks (41) has two and is symmetrically distributed on the front and back sides along the center surface of the support base (3). The top of the corner blocks (41) is provided with a semi-circular groove (42), and the inside of the support base (3) is provided with a through hole. The outer side of the switching seat (5) is fixedly installed with a bearing shaft (52) that fits against the inner wall of the semi-circular groove (42).

3. The composite milling machine tool for processing metal products according to claim 2, characterized in that: The two corner blocks (41) in the same group are equipped with a baffle (44) through a slide groove (43) opened inside it. The top of the support (3) is fixedly installed with an electric slide rail (45) connected to the outside of the baffle (44). The baffle (44) has a slot (441) inside that fits with the outer circumference of the support shaft (52).

4. The composite milling machine tool for processing metal products according to claim 1, characterized in that: The support base (3) has a support block (46) slidably installed in the guide groove (31) inside it. The support base (3) has a mounting plate (32) fixedly installed inside it, and a guide rod (47) connected to the support block (46) is slidably installed inside the mounting plate (32). A reset spring (48) is sleeved on the outer circumference of the guide rod (47).

5. A composite milling machine tool for processing metal products according to claim 4, characterized in that: The support block (46) has an arc-shaped opening on the side away from the guide rod (47), and a rod frame (53) that fits against the inner wall of the arc-shaped opening of the support block (46) is fixedly installed inside the switching seat (5).

6. The composite milling machine tool for processing metal products according to claim 1, characterized in that: The switching assembly (6) includes a drive shaft (61) rotatably mounted on the bottom of the support seat (3). A drive motor (62) connected to the end of the drive shaft (61) is fixedly mounted on the bottom of the support seat (3). A support arm (63) is fixedly mounted on the outer circumference of the drive shaft (61). There are two support arms (63) symmetrically distributed along the center plane of the support seat (3). A support arm (64) connected to the switching seat (5) is rotatably mounted on the side of the support arm (63) away from the drive shaft (61).

7. A composite milling machine tool for processing metal products according to claim 6, characterized in that: The second support arm (64) is slidably mounted with a limiting block (65) through an movable hole (641) inside it. The outer side of the limiting block (65) is provided with a limiting groove (651) that fits against the outer side of the first support arm (63). There are two limiting grooves (651) and they are symmetrically distributed along the center plane of the limiting block (65). The side of the limiting groove (651) near the first support arm (63) is set as a tapered guide structure.

8. A composite milling machine tool for processing metal products according to claim 7, characterized in that: The limiting block (65) is connected to the inner wall of the movable hole (641) by a compression spring (642) disposed on its outer side. A magnetic component (652) is fixedly installed inside the limiting block (65), and the magnetic component (652) is connected to the inner wall of the movable hole (641) by magnetic force.

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