Metal part precision machining cutting device and method

Abstract

The invention discloses a metal part precision machining cutting device and method, and relates to the field of metal cutting, the metal part precision machining cutting device comprises a base and a mounting frame fixed above the base, an adjusting disc is arranged on the front side of the mounting frame, cutting discs are evenly distributed on the side of the adjusting disc, and a movable shaft is fixed to the middle of the adjusting disc; the outer end of the movable shaft is rotationally connected with a supporting frame, the upper portion of the supporting frame is connected with a lifting adjuster for controlling the adjusting disc to move vertically, a rotary locking mechanism is arranged on the outer side of the adjusting disc, and the adjusting disc is locked when the adjusting disc moves downwards to conduct cutting operation. According to the metal part precision machining cutting device and method, mounting space is provided for the multiple sets of cutting discs through the adjusting disc, switching of the cutting discs can be rapidly achieved through follow-up cooperation with rotation of the adjusting disc, the cutting discs can be rapidly replaced when damaged, different cutting discs can be switched through the mode to cut different types of materials, and the cutting efficiency is improved. The cutting efficiency and the use convenience of the device are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of metal cutting, in particular to a metal part precision machining cutting device and method. BACKGROUND

[0002] When metal parts are machined, cutting is a common process. In cutting, a common cutting device is a rotary cutting device. To improve cutting accuracy, the cutting part can be stably positioned below the cutting knife.

[0003] Prior art 1 (Chinese patent with application number CN202223444795.4, published on April 7, 2023) is a precision cutting device for metal part machining, which comprises a workbench and a supporting leg. First vertical plates are fixedly connected to the upper ends of the workbench. A cutting device is installed on the inner side of the lower part of the first vertical plate. An adjusting device is installed on the upper part of the workbench. The output shaft of the motor drives the vertical rod to rotate. The vertical rod drives the first umbrella gear to rotate through the second umbrella gear. The first umbrella gear drives the double screw to rotate. Thus, the bidirectional screw cooperates with the cross rod to drive the two supporting plates to move towards each other. The supporting plates are adjusted to the appropriate position. The metal part is placed on the first cross plate. The first electric push rod cooperates with the stop rod to drive the second cross plate to move downward. Thus, the second cross plate cooperates with the first cross plate to clamp and fix the metal part. In this way, the metal part can be more precisely cut by the cutting blade while being firmly clamped. Prior art 2 (Chinese patent with application number CN202222943089.8, published on May 30, 2023) is a metal precision machining cutting machine, which comprises a workbench. First fixing blocks are installed on the four corners of the bottom of the workbench. An inverted L-shaped support is installed on the top of the workbench. A first telescopic rod is installed on the top of the inverted L-shaped support. A supporting rod is installed on the outer side of the inverted L-shaped support. A supporting rod is installed on the side of the inverted L-shaped support away from the supporting rod. Illumination lamps are installed on the bottom of the supporting rods. Two second telescopic rods are installed on the top of the workbench. The second telescopic rods are beneficial to adjusting the cutting angle. In the use of the cutting machine, the metal to be cut is usually fixed. The cutting angle cannot be adjusted, which affects the cutting accuracy. The second telescopic rods can adjust the angle of the fixed metal to be cut, which is convenient for the user.

[0004] The current cutting machine is generally used with only one cutting disc, and different cutting discs need to be replaced for cutting work due to different types of metals and cutting requirements. The setting of a single cutting disc leads to time-consuming replacement and adjustment of the cutting disc, and the cutting disc is not stable after replacement, which affects the cutting precision and causes safety hazards. SUMMARY

[0005] The present application provides a metal parts precision machining cutting device and method to solve the above background technology, the current cutting machine in use, the cutting machine is generally used with only one cutting disc, and different cutting discs need to be replaced for cutting work due to different types of metals and cutting requirements. The setting of a single cutting disc leads to time-consuming replacement and adjustment of the cutting disc, and the cutting disc is not stable after replacement, which affects the cutting precision and causes safety hazards.

[0006] To achieve the above object, the present application provides the following technical scheme: a metal parts precision machining cutting device, comprising a base and a mounting bracket fixed above the base, the front side of the mounting bracket is provided with an adjusting disc, the edge side of the adjusting disc is uniformly distributed with a cutting disc, and the middle part of the adjusting disc is fixed with a movable shaft, the outer end of the movable shaft is rotatably connected with a support frame, and the upper side of the support frame is connected with a lifting adjuster for controlling the vertical movement of the adjusting disc, the outer side of the adjusting disc is provided with a rotary locking mechanism, which locks the adjusting disc when it moves downward for cutting work, the middle part of the cutting disc is designed as an open structure, and the middle part of the cutting disc is connected with a transmission block, and the left side of the transmission block is fixed with a support bracket for positioning the cutting disc, the left end of the transmission block is connected with a mounting shaft rotatably connected with the adjusting disc, the left end of the mounting shaft is provided with a transmission mechanism, and the right side of the cutting disc is provided with a positioning bracket, and the right side of the positioning bracket is provided with a movement control mechanism.

[0007] Further optimize the present technical solution, the upper side of the base is provided with a product limiting seat for limiting the cutting product, and the product limiting seat is symmetrically arranged below the cutting disc.

[0008] Further optimize the present technical solution, the outer side of the product limiting seat is fixed with a connecting block, the connecting block is designed as a circular arc mechanism, two groups of product limiting seats are connected through the connecting block, and the outer side of the connecting block is provided with a rotary mechanism.

[0009] Further optimize the present technical solution, the rotary mechanism comprises a guide block and a limiting piece; The guide block is fixed below the connecting block, and the lower side of the guide block is designed as an expanding structure, and the outer side of the guide block is provided with a sliding groove opened on the upper surface of the base, so that the guide block moves in a ring shape in the sliding groove; The limiting piece is arranged outside the connecting block and is screwed with the connecting block.

[0010] Further optimization of the technical scheme, the rotating locking mechanism includes a positioning groove, a positioning rod, a first spring and a fixed block; The positioning groove is arranged on the right side of the adjusting disc and corresponds to the cutting disc. The positioning rod penetrates the support frame and forms a nested structure between the support frame, and the positioning rod and the positioning groove form a concave-convex matching structure. The first spring is arranged outside the positioning rod to provide a thrust for the positioning rod. The fixed block is fixed to the front side of the mounting bracket, and the fixed block is located below the positioning rod, and the upper side of the fixed block is designed in an inclined structure.

[0011] Further optimization of the technical scheme, the transmission mechanism includes a transmission shaft, a driving block, a motor and an extender. The transmission shaft is fixed to the left end of the mounting shaft, and the left end of the transmission shaft penetrates the left side surface of the adjusting disc. The driving block is arranged on the left side of the adjusting disc, and the driving block is connected with the transmission shaft located below the adjusting disc to control the rotation of the transmission shaft. The motor is connected with the driving block to control the rotation of the driving block. The extender is installed below the support frame, and the extension end of the extender is connected with the motor.

[0012] Further optimization of the technical scheme, the left side of the transmission shaft and the outer side of the driving block are provided with magnetic blocks, and the two groups of magnetic blocks attract each other.

[0013] Further optimization of the technical scheme, the movement control mechanism includes a connecting shaft, a support shaft, a trigger block, a second spring, an arc-shaped block and a self-limiting mechanism. The connecting shaft is rotatably installed on the right side of the positioning bracket. The support shaft is arranged between the right side of the connecting shaft and the connecting shaft to form a nested connection. The trigger block is fixed to the right end of the connecting shaft, and the right end of the trigger block penetrates the right side surface of the adjusting disc. The second spring is arranged on the right side of the connecting shaft to provide a thrust for the connecting shaft. The arc-shaped block is fixed to the surface of the support frame, and the end of the arc-shaped block is designed in an inclined structure, and the arc-shaped block is in contact with the trigger block located below the adjusting disc to press it. The self-limiting mechanism is arranged outside the connecting shaft to limit the movement of the connecting shaft.

[0014] Further optimize the technical scheme, the self-limiting mechanism includes a limiting block, a through slot, a third spring, a movable block, a linkage plate, a support block, a trigger plate, a sliding ring and a fitting rod; The limiting block is arranged on the right side of the connecting shaft, the right end of the connecting shaft is designed in an enlarged structure, and the left side of the limiting block is designed in an inclined structure; The through slot is arranged on the upper portion of the limiting block; The third spring is arranged above the limiting block to provide a downward thrust for the limiting block; The movable block is arranged in the through slot, and the left side of the movable block is designed in an inclined structure; The linkage plate is fixed above the movable block, and the linkage plate is designed in an inverted concave character structure; The support block is fixed in the adjusting disc, and the linkage plate penetrates through the support block to form a horizontal sliding structure; The trigger plate is fixed on the left lower side of the linkage plate, and the trigger plate is located on the left side of the support bracket; The sliding ring is sleeved on the outer side of the mounting shaft, and the sliding ring is located on the right side of the trigger plate; The fitting rod is fixed on the right side of the sliding ring, and the fitting rod penetrates through the support bracket to form a sliding connection between the support bracket.

[0015] A metal part precision machining cutting device and method thereof, the method comprises the following steps: Step one: place the metal part to be cut on the upper side of the base for fixation, prepare for cutting, the cutting disc arranged on the side of the adjusting disc is a cutting disc of different types, different cutting discs can be selected and used according to the cutting needs and material properties of the metal part to ensure cutting accuracy; Step two: when adjusting the use of the cutting disc, the adjusting disc can be rotated to drive the cutting disc to move, the cutting disc below the adjusting disc is adjusted, after adjustment, the transmission mechanism provides a rotating driving force for the used cutting disc to enable stable rotation, then the adjusting disc is controlled to move downward, and the rotation locking mechanism limits the rotation of the adjusting disc when the adjusting disc moves downward, so that the cutting disc remains stable, and the positioning bracket provides stable support effect for the cutting disc by cooperating with the movement control mechanism; Step three: the cutting disc can be replaced according to the use needs, the cutting disc to be replaced needs to be removed from below the adjusting disc, then the cutting disc can be translated to push the positioning bracket to move, and the cutting disc is removed from the transmission block for replacement.

[0016] Compared with the prior art, the beneficial effects of the present application are: The adjusting disc provides mounting space for multiple sets of cutting discs, and the rotation of the adjusting disc can quickly realize the switching of the cutting disc. When the cutting disc is damaged, it can be quickly replaced, and different cutting discs can be switched to cut different types of materials, improving the cutting efficiency and the convenience of the device.

[0017] The rotation of the adjusting disc is limited by the connection of the positioning groove and the positioning rod, so that the rotating state of the adjusting disc can be automatically locked when it moves downward to prepare for cutting, ensuring the stability of the adjusting disc during subsequent cutting. Only one set of transmission mechanism is provided on the outside of the adjusting disc to control the rotation of the used cutting disc, saving the setting of power source and being more energy-saving.

[0018] The cutting disc is pressed on the outside of the transmission block by the positioning support and the supporting support, so that the cutting disc remains stable. When the cutting disc moves to the position below the adjusting disc, the arc-shaped block can lock the positioning support by fitting the trigger block, providing stable limiting effect for the cutting disc and ensuring the stability of the cutting disc during operation.

[0019] The cutting disc can push the positioning support to move, and the positioning of the positioning support can be automatically realized by cooperating with the movement control mechanism, so that the cutting disc can be conveniently disassembled and replaced from the transmission block, facilitating the replacement of different types of cutting discs or the replacement of damaged cutting discs.

[0020] The product limiting seat provides limiting effect for the product, and the product limiting seat can be rotated and adjusted. By adjusting the product limiting seat, the cutting angle of the product can be adjusted to adapt to different processing needs, increasing the functionality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application.

[0022] Figure 2 It is a schematic diagram of the base top view structure of the present application.

[0023] Figure 3 It is a schematic diagram of the product limiting seat bottom view structure of the present application.

[0024] Figure 4 It is a schematic diagram of the mounting bracket three-dimensional structure of the present application.

[0025] Figure 5 It is a schematic diagram of the left view structure of the adjusting disc of the present application.

[0026] Figure 6 It is a schematic diagram of the right view structure of the adjusting disc of the present application.

[0027] Figure 7 It is a schematic diagram of the supporting bracket three-dimensional structure of the present application.

[0028] Figure 8 It is a main view structure schematic diagram of the cutting disc of the present application.

[0029] Figure 9 It is a cutting disc and mounting shaft separation structure schematic diagram of the present application.

[0030] Figure 10 It is a main view structure schematic diagram of the cutting disc of the present application.

[0031] Figure 11 It is a main view structure schematic diagram of the cutting disc of the present application.

[0032] Figure 12 It is a main view structure schematic diagram of the cutting disc of the present application.

[0033] In the figure: 1, base; 2, mounting frame; 3, adjusting disc; 4, cutting disc; 5, product limiting seat; 6, connecting block; 7, guide block; 8, limiting piece; 9, movable shaft; 10, support frame; 11, lifting adjuster; 12, positioning groove; 13, positioning rod; 14, first spring; 15, fixed block; 16, mounting shaft; 17, transmission block; 18, support bracket; 19, positioning bracket; 20, connecting shaft; 21, support shaft; 22, trigger block; 23, second spring; 24, limiting block; 25, through slot; 26, third spring; 27, movable block; 28, linkage plate; 29, support block; 30, trigger plate; 31, sliding ring; 32, fitting rod; 33, transmission shaft; 34, arc-shaped block; 35, driving block; 36, motor; 37, magnetic block; 38, extender. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0035] Embodiment one: the present application provides the following technical solutions: a metal part precision machining cutting device, like Figure 1 and Figures 8-9As shown, including base 1 and base 1 fixed mounting bracket 2, the front side of the mounting bracket 2 is provided with the adjusting disc 3, the side of the adjusting disc 3 is evenly distributed with the cutting disc 4, and the middle part of the adjusting disc 3 is fixed with the movable shaft 9, the outer end of the movable shaft 9 is rotatably connected with the support frame 10, and the upper side of the support frame 10 is connected with the lifting adjuster 11 for controlling the vertical movement of the adjusting disc 3, the outer side of the adjusting disc 3 is provided with a rotary locking mechanism, which locks the adjusting disc 3 when the adjusting disc 3 moves downward for cutting operation, the middle part of the cutting disc 4 is designed as an open structure, and the middle part of the cutting disc 4 is connected with the transmission block 17, and the left side of the transmission block 17 is fixed with the support bracket 18 for positioning the cutting disc 4, the left end of the transmission block 17 is connected with the mounting shaft 16 rotatably connected with the adjusting disc 3, the left end of the mounting shaft 16 is provided with a transmission mechanism, the right side of the cutting disc 4 is provided with a positioning bracket 19, and the right side of the positioning bracket 19 is provided with a movement control mechanism.

[0036] A metal part precision machining cutting device and its method, the method comprising the following steps: Step one: the metal parts to be cut are placed on the upper side of the base 1 for fixation, and the cutting preparation is carried out, the cutting disc 4 arranged on the side of the adjusting disc 3 is of different types, different cutting discs 4 can be selected for use according to the cutting needs and material properties of the metal parts, and the cutting accuracy is ensured.

[0037] Step two: when adjusting the use of the cutting disc 4, the adjusting disc 3 can be rotated to move the cutting disc 4, adjust the cutting disc 4 below the adjusting disc 3, and then control the adjusting disc 3 to move downward, the rotary locking mechanism limits the rotation of the adjusting disc 3 when the adjusting disc 3 moves downward, so that the cutting disc 4 remains stable, and the positioning bracket 19 provides stable support effect.

[0038] Step three: the cutting disc 4 can be replaced according to the use needs, the cutting disc 4 to be replaced needs to be moved away from below the adjusting disc 3, then the cutting disc 4 can be translated to push the positioning bracket 19 to move, and the cutting disc 4 can be removed from the transmission block 17 for replacement.

[0039] Example two: based on example one, Figures 2-6As shown, further disclosed that the upper of the base 1 is provided with a product limiting seat 5 for limiting the cutting product, and the product limiting seat 5 is symmetrically arranged below the cutting disc 4, the outer side of the product limiting seat 5 is fixedly connected with a connecting block 6, the connecting block 6 is designed in a circular arc shape, the two groups of product limiting seat 5 are connected through the connecting block 6, and the outer side of the connecting block 6 is provided with a rotating mechanism, the rotating mechanism comprises a guide block 7 and a limiting piece 8, the guide block 7 is fixedly arranged below the connecting block 6, and the lower side of the guide block 7 is designed in an expanding structure, and the outer side of the guide block 7 is provided with a sliding groove opened on the upper surface of the base 1, so that the guide block 7 moves in a ring shape in the sliding groove, the limiting piece 8 is arranged between the outer side of the connecting block 6 and the connecting block 6 to form a threaded connection, and the limiting piece 8 penetrates through the connecting block 6, the rotating locking mechanism comprises a positioning groove 12, a positioning rod 13, a first spring 14 and a fixed block 15, the positioning groove 12 is opened on the right side of the adjusting disc 3, and the positioning groove 12 and the cutting disc 4 are arranged correspondingly, the positioning rod 13 penetrates through the support frame 10 to form a nested structure, and the positioning rod 13 and the positioning groove 12 form a concave-convex matching structure, the first spring 14 is arranged on the outer side of the positioning rod 13 to provide a thrust for the positioning rod 13, and the fixed block 15 is fixedly arranged on the front side of the mounting frame 2 and located below the positioning rod 13, and the upper side of the fixed block 15 is designed in an inclined structure.

[0040] The product limiting seat 5 provides limiting for the product to be cut, as shown in Figure 2 and Figure 3 The product limiting seat 5 can be rotated to adjust the cutting angle of the product, and during the adjustment, the limiting piece 8 can be rotated first to release the limiting effect of the limiting piece 8 on the connecting block 6, then the product limiting seat 5 can be rotated, and the guide block 7 slides in the sliding groove synchronously to adjust the cutting angle of the product, the center of rotation of the connecting block 6 coincides with the vertical center line of the cutting disc 4, and after the adjustment is completed, the limiting piece 8 is rotated again to connect the limiting piece 8 and the base 1, so that the product limiting seat 5 can be limited to keep stable during subsequent cutting.

[0041] The cutting disc 4 can be switched by rotating the adjusting disc 3, as shown in Figure 4 and Figure 6 After the adjustment of the cutting disc 4, the adjusting disc 3 is controlled to move downward by the lifting adjuster 11, the positioning rod 13 is extruded by the fixed block 15 to move and connect with the positioning groove 12, so that the rotation of the adjusting disc 3 is locked, and the position of the cutting disc 4 is kept stable, and when the adjusting disc 3 is lifted upward, the positioning rod 13 can be separated from the positioning groove 12 under the action of the first spring 14, so that the adjusting disc 3 returns to the rotatable state.

[0042] Example three: based on example one, as shown in Figures 7-12As shown, further disclosed are a transmission shaft 33, a driving block 35, a motor 36 and an extender 38. The transmission shaft 33 is fixed at the left end of the mounting shaft 16 and penetrates the left surface of the adjusting disc 3. The driving block 35 is arranged at the left side of the adjusting disc 3 and connected with the transmission shaft 33 at the position below the adjusting disc 3 to control the rotation of the transmission shaft 33. The motor 36 is connected with the driving block 35 to control the rotation of the driving block 35. The extender 38 is arranged below the support frame 10 and the extension end of the extender 38 is connected with the motor 36. The left side of the transmission shaft 33 and the outer side of the driving block 35 are both provided with magnetic blocks 37 which are attracted to each other. The movement control mechanism comprises a connecting shaft 20, a supporting shaft 21, a trigger block 22, a second spring 23, an arc-shaped block 34 and a self-limiting mechanism. The connecting shaft 20 is rotatably arranged at the right side of the positioning bracket 19. The supporting shaft 21 is arranged between the right side of the connecting shaft 20 and the connecting shaft 20 to form a nested connection. The trigger block 22 is fixed at the right end of the connecting shaft 20 and penetrates the right surface of the adjusting disc 3. The second spring 23 is arranged at the right side of the connecting shaft 20 to provide a pushing force for the connecting shaft 20. The arc-shaped block 34 is fixed on the surface of the support frame 10 and the end of the arc-shaped block 34 is designed in an inclined structure. The arc-shaped block 34 is in contact with the trigger block 22 below the adjusting disc 3 to press it. The self-limiting mechanism is arranged at the outer side of the connecting shaft 20 to limit the movement of the connecting shaft 20. The self-limiting mechanism comprises a limiting block 24, a through slot 25, a third spring 26, a movable block 27, a linkage plate 28, a supporting block 29, a trigger plate 30, a sliding ring 31 and a contact rod 32. The limiting block 24 is arranged at the right side of the connecting shaft 20 and the right end of the connecting shaft 20 is designed in an enlarged structure. The left side of the limiting block 24 is designed in an inclined structure. The through slot 25 is opened at the upper part of the limiting block 24. The third spring 26 is arranged above the limiting block 24 to provide a downward pushing force for the limiting block 24. The movable block 27 is arranged inside the through slot 25 and the left side of the movable block 27 is designed in an inclined structure. The linkage plate 28 is fixed above the movable block 27 and designed in an inverted concave character structure. The supporting block 29 is fixed inside the adjusting disc 3. The linkage plate 28 penetrates the supporting block 29 to form a horizontal sliding structure. The trigger plate 30 is fixed below and left of the linkage plate 28 and located at the left side of the supporting bracket 18. The sliding ring 31 is sleeved outside the mounting shaft 16 and located at the right side of the trigger plate 30. The contact rod 32 is fixed at the right side of the sliding ring 31 and penetrates the supporting bracket 18 to form a sliding connection.

[0043] The driving block 35 can be controlled to move by the extender 38 to be connected with the transmission shaft 33. The rotation of the cutting disc 4 provides power. Figure 12As shown, and the magnetic block 37 outside the transmission shaft 33 and the drive block 35 by mutual adsorption positioning can make the butt joint of the transmission shaft 33 and the drive block 35 accurate, and when the cutting disc 4 is located below the adjusting disc 3, combined with Figure 7 And Figure 10 As shown, the arc block 34 can extrude the trigger block 22, so that the position of the supporting bracket 18 remains stable, providing stable limiting effect for the cutting disc 4, and the trigger block 22 not in contact with the arc block 34 is in a movable state. If it is necessary to disassemble the cutting disc 4, the cutting disc 4 can be moved horizontally to move the positioning bracket 19, combined with Figure 11 As shown, the cutting disc 4 is pushed down from the transmission block 17, and the connecting shaft 20 moves to the right, the abutting rod 32 moves to the right, the extrusion of the movable block 27 to the through slot 25 is cancelled, the third spring 26 pushes the limiting block 24 to move downward, so that the limiting block 24 can limit the right end of the supporting shaft 21, preventing the left movement of the positioning bracket 19. After the new cutting disc 4 is installed on the surface of the transmission block 17, the cutting disc 4 is moved to the left to move the abutting rod 32, the movable block 27 extrudes the through slot 25 to control the limiting block 24 to move upward, so that the limiting effect of the limiting block 24 is cancelled, and the positioning bracket 19 is automatically reset to position the cutting disc 4.

[0044] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0045] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "provided", "installed" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments, or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A precision machining and cutting device for metal parts, comprising a base (1) and a mounting bracket (2) fixed above the base (1); Its features are: An adjustment plate (3) is provided on the front side of the mounting bracket (2). Cutting discs (4) are evenly distributed on the side of the adjustment plate (3). A movable shaft (9) is fixed in the middle of the adjustment plate (3). A support frame (10) is rotatably connected to the outer end of the movable shaft (9). A lifting adjuster (11) for controlling the vertical movement of the adjustment plate (3) is connected above the support frame (10). A rotation locking mechanism is provided on the outer side of the adjustment plate (3). The middle of the cutting disc (4) is designed with an open structure. A transmission block (17) is connected to the middle of the cutting disc (4). A support bracket (18) for positioning the cutting disc (4) is fixed on the left side of the transmission block (17). An installation shaft (16) that is rotatably connected to the adjustment plate (3) is connected to the left end of the transmission block (17). A transmission mechanism is provided on the left end of the installation shaft (16). A positioning bracket (19) is provided on the right side of the cutting disc (4). A movement control mechanism is provided on the right side of the positioning bracket (19).

2. The precision machining and cutting device for metal parts according to claim 1, characterized in that: A product limiting seat (5) is provided above the base (1) to limit the cutting product, and the product limiting seat (5) is symmetrically arranged on the left and right below the cutting disc (4).

3. The precision machining and cutting device for metal parts according to claim 2, characterized in that: A connecting block (6) is fixed on the outside of the product limiting seat (5). The connecting block (6) is designed in an arc shape. The two sets of product limiting seats (5) are connected by the connecting block (6), and a rotating mechanism is provided on the outside of the connecting block (6).

4. The precision machining and cutting device for metal parts according to claim 3, characterized in that: The rotating mechanism includes a guide block (7) and a limiting member (8); The guide block (7) is fixed below the connecting block (6), and the lower part of the guide block (7) is designed with an enlarged structure. The outer side of the guide block (7) is provided with a groove on the upper surface of the base (1) so that the guide block (7) can move in a ring within the groove. The limiting member (8) is set on the outside of the connecting block (6) and forms a threaded connection between the connecting block (6), and the limiting member (8) passes through the connecting block (6).

5. The precision machining and cutting device for metal parts according to claim 1, characterized in that: The rotary locking mechanism includes a positioning groove (12), a positioning rod (13), a first spring (14), and a fixing block (15). The positioning groove (12) is located on the right side of the adjustment plate (3), and the positioning groove (12) and the cutting plate (4) are arranged correspondingly to each other; The positioning rod (13) passes through the support frame (10) and forms a nested structure between the support frame (10), and the positioning rod (13) and the positioning groove (12) form a concave-convex fit structure; The first spring (14) is located on the outside of the positioning rod (13) to provide thrust to the positioning rod (13); The fixing block (15) is fixed on the front side of the mounting bracket (2), and the fixing block (15) is located below the positioning rod (13), and the upper part of the fixing block (15) is designed with an inclined structure.

6. The precision machining and cutting device for metal parts according to claim 1, characterized in that: The transmission mechanism consists of a drive shaft (33), a drive block (35), a motor (36), and a telescopic device (38). The drive shaft (33) is fixed to the left end of the mounting shaft (16), and the left end of the drive shaft (33) passes through the left side surface of the adjusting plate (3); The drive block (35) is located on the left side of the adjustment disk (3), and the drive block (35) is connected to the transmission shaft (33) located below the adjustment disk (3) to control the rotation of the transmission shaft (33); The motor (36) is connected to the drive block (35) to control the rotation of the drive block (35); The telescopic device (38) is installed below the support frame (10), and the telescopic end of the telescopic device (38) is connected to the motor (36).

7. The precision machining and cutting device for metal parts according to claim 6, characterized in that: Magnetic blocks (37) are provided on the left side of the transmission shaft (33) and the outside of the drive block (35), and the two sets of magnetic blocks (37) attract each other.

8. The precision machining and cutting device for metal parts according to claim 1, characterized in that: The movement control mechanism includes a connecting shaft (20), a support shaft (21), a trigger block (22), a second spring (23), an arc block (34), and a self-limiting mechanism; The connecting shaft (20) is rotatably mounted on the right side of the positioning bracket (19); The support shaft (21) is located on the right side of the connecting shaft (20) and forms a nested connection between the connecting shaft (20); The trigger block (22) is fixed to the right end of the connecting shaft (20), and the right end of the trigger block (22) penetrates the right side surface of the adjusting plate (3); The second spring (23) is located on the right side of the connecting shaft (20) to provide thrust to the connecting shaft (20); The arc-shaped block (34) is fixed on the surface of the support frame (10), and the end of the arc-shaped block (34) is designed with an inclined structure. The arc-shaped block (34) and the trigger block (22) located below the adjustment plate (3) are pressed together. The self-limiting mechanism is set on the outside of the connecting shaft (20) to limit the movement of the connecting shaft (20).

9. A precision machining and cutting device for metal parts according to claim 8, characterized in that: The self-limiting mechanism includes a limiting block (24), a through groove (25), a third spring (26), a movable block (27), a linkage plate (28), a support block (29), a trigger plate (30), a sliding ring (31), and a contact rod (32). The limiting block (24) is located on the right side of the connecting shaft (20). The right end of the connecting shaft (20) is designed to be enlarged, and the left side of the limiting block (24) is designed to be inclined. A through slot (25) is provided on the upper part of the limiting block (24); The third spring (26) is positioned above the limiting block (24) to provide a downward pushing force to the limiting block (24); The movable block (27) is located inside the through slot (25), and the left side of the movable block (27) is designed with an inclined structure. The linkage plate (28) is fixed above the movable block (27), and the linkage plate (28) has an inverted U-shaped structure design; The support block (29) is fixed inside the adjusting plate (3), and the linkage plate (28) passes through the support block (29) to form a horizontal sliding structure; The trigger plate (30) is fixed to the lower left of the linkage plate (28), and the trigger plate (30) is located on the left side of the support bracket (18); The sliding ring (31) is sleeved on the outside of the mounting shaft (16), and the sliding ring (31) is located on the right side of the trigger plate (30); The fitting rod (32) is fixed on the right side of the sliding ring (31), and the fitting rod (32) passes through the support bracket (18) to form a sliding connection between the support bracket (18) and the support bracket (18).

10. A method for implementing the precision machining and cutting apparatus for metal parts as described in claim 1, characterized in that: The method includes the following steps: Step 1: Place the metal part to be cut on the base (1) and fix it to prepare for cutting. The cutting discs (4) set on the side of the adjustment disc (3) are of different types. Different cutting discs (4) can be selected according to the cutting needs of the metal part and the material properties to ensure cutting accuracy. Step 2: When adjusting the use of the cutting disc (4), the adjustment disc (3) can be rotated. The adjustment disc (3) drives the cutting disc (4) to move. Adjust the cutting disc (4) located below the adjustment disc (3). After the adjustment is completed, the transmission mechanism provides rotational driving force to the cutting disc (4) so ​​that it can rotate stably. Then control the adjustment disc (3) to move downward. When the adjustment disc (3) moves downward, the rotation locking mechanism will restrict the rotation of the adjustment disc (3) so that the cutting disc (4) remains stable. The moving control mechanism will provide stable support for the positioning support (19). Step 3: The cutting disc (4) can be replaced as needed. The cutting disc (4) to be replaced needs to be moved from under the adjusting disc (3) first. Then the cutting disc (4) can be moved horizontally to push the positioning bracket (19) to move. The cutting disc (4) can be removed from the transmission block (17) for replacement.

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