45-degree door frame angle cutter

Abstract

The utility model relates to a 45-degree door frame angle cutter which is characterized in that the output end of a servo motor is fixedly connected with a screw rod, a sliding nut is sleeved on the screw rod, a cutting motor box is fixedly arranged at the bottom of the sliding nut, a limiting sliding piece is arranged at the top of the cutting motor box, and limiting sliding rails are fixedly arranged on two sides of the screw rod; a cutting blade is installed on the side face of the cutting motor box through an output rotating shaft, the plane where the outer edge of the cutting blade is located is flush with the inner edge of the door frame supporting table, a lifting fixing plate is arranged on the top of the door frame supporting table, and an inclined face limiting fixing plate is arranged on one side of the door frame supporting table. The included angle between the center of the door frame supporting table and the center line of the box body in the length direction is 45 degrees. And the overall stability is high, and the cutting track controllability is high.

Description

Technical Field

[0001] This utility model relates to the field of machinery, specifically to a 45-degree door frame corner cutting machine. Background Technology

[0002] Corner cutting machines can perform 45-degree bevel or polygonal cuts. They are frequently used in door frame production for 45-degree corner cutting. However, existing 45-degree corner cutting machines have the following drawbacks: First, traditional corner cutting equipment suffers from poor stability. It often cannot stably fix the door frame during operation, causing displacement and movement due to vibration and the cutting process, affecting the accuracy of the final cut angle. Second, traditional corner cutting machines have a limited adjustable range. Because door frames vary in size, their height and bevel need to be fixed after being placed on the cutting table. Traditional methods using shims or blocks for height adjustment are unstable and hinder efficient and precise cutting.

[0003] Therefore, the production of a 45-degree door frame corner cutting machine that is simple in structure, easy to operate, highly stable, widely applicable, and capable of precise adjustment and stable fixing with high cutting accuracy has broad market prospects. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this utility model provides a 45-degree door frame corner cutting machine that is simple in structure, easy to operate, highly stable, widely applicable, and capable of precise adjustment and stable fixing with high cutting accuracy, thereby overcoming the deficiencies in existing technologies.

[0005] The technical solution of this utility model is implemented as follows: A 45-degree door frame corner cutting machine includes a housing, a door frame support platform fixedly installed on at least one side of the housing, a servo motor fixedly installed on the housing, the output end of the servo motor fixedly connected to a screw, a sliding nut fitted on the screw, a cutting motor housing fixedly installed at the bottom of the sliding nut, a limiting sliding component installed on the top of the cutting motor housing, limiting sliding rails fixedly installed on both sides of the screw, the limiting sliding component fitted on the limiting sliding rails, a cutting blade installed on the side of the cutting motor housing via an output rotation shaft, the plane where the outer edge of the cutting blade is located is flush with the inner edge of the door frame support platform, a lifting fixing plate is provided on the top of the door frame support platform, a sloping limiting fixing plate is provided on one side of the door frame support platform, and the angle between the center of the door frame support platform and the centerline of the length direction of the housing is 45 degrees.

[0006] Furthermore, a limiting slot is provided on one side of the door frame support platform, and a lifting fixing plate is installed on the upper part of the limiting slot. An inclined limiting support platform is fixedly installed on the top surface of the other side of the door frame support platform. The inclined limiting fixing plate is set on the outer inclined surface of the inclined limiting support platform. The outer side of the lifting fixing plate is fixedly connected to the bottom of the longitudinal lifting adjustment plate. The top inner side of the longitudinal lifting adjustment plate is fixedly connected through a connecting plate. An electric lifting rod is provided at the bottom of the connecting plate. A lifting support plate is provided on the outer side of the electric lifting rod. The lifting support plate is provided with a lifting rail. The longitudinal lifting adjustment plate is provided with a lifting sliding block that is fitted with the lifting rail. An inclined longitudinal support rod is provided on the outer side of the inclined limiting fixing plate. An inclined fastening electric push rod with its output end facing the outer side of the inclined limiting fixing plate is installed on the inclined longitudinal support rod.

[0007] Furthermore, the bottom of the servo motor is provided with a motor bracket, the outer end of the screw is mounted on the screw bracket via a rotating bushing, the outer end of the screw bracket is provided with a touch screen and control buttons, the outer end of the motor bracket is provided with an electrical control cabinet, the bottom of the housing is provided with a leveling adjustable support leg, a laser leveling device bracket is fixedly mounted on the screw bracket, the inner side of the outer end of the laser leveling device bracket is fixedly mounted with a laser leveling device that mates with the outer edge of the cutting disc and the inner edge of the door frame support, the bottom of the door frame support is fixedly mounted with an adjustable bracket, a fine-tuning connecting block is mounted on the adjustable bracket, a displacement fine-tuning screw is fixedly mounted on the fine-tuning connecting block, and a fine-tuning nut that mates with the displacement fine-tuning screw is mounted on the screw bracket.

[0008] Furthermore, a cutting disc motor is installed inside the cutting motor housing, and the cutting disc is fitted onto the output end of the cutting disc motor. There are two limiting sliding rails, which are symmetrically installed on the inner wall of the housing on both sides of the screw. The plane at the bottom of the cutting disc is located below the plane at the bottom of the door frame support platform.

[0009] Furthermore, an adjustable observation window is provided below the touch screen, a material unloading observation window is provided on one side of the cabinet, and cutting observation windows are provided on the front and rear sides of the cabinet.

[0010] Furthermore, the depth of the limiting slot is not less than half the thickness of the door frame support, the inner side of the lifting fixing plate is flush with the inner edge of the limiting slot, the outer edge of the limiting slot is an open structure, and the lifting fixing plate is a plate-shaped structure with a thickness not greater than the depth of the limiting slot.

[0011] Furthermore, the outer side of the inclined limiting support platform is an inclined structure, and the inclination angle of the inclined limiting fixing plate is consistent with the inclination angle of the outer side of the inclined limiting support platform.

[0012] Furthermore, a lifting support platform is fixedly installed at the bottom of the lifting support plate, and the longitudinal lifting adjustment plate is a plate-shaped structure that can move longitudinally with the lifting of the connecting plate.

[0013] This utility model has the following positive effects:

[0014] 1. This product uses a screw and sliding nut combination to provide stable support for the running trajectory of the cutting blade. The screw propulsion method ensures stable operation of the cutting motor box and the cutting blade under the specified track. When performing 45-degree angle cutting operations on the door frame placed on the door frame support platform, the overall stability is strong and the cutting trajectory is highly controllable.

[0015] 2. This product uses a lifting and fixing plate to fix the door frame. When the door frame is thick or thin, the vertical lifting and adjusting plate can be used to adjust and fix it accordingly. After fixing, the whole structure is stable and firm. With the help of the limit card slot, it can achieve stable support and limit during the corner cutting process, and improve the angle accuracy of the corner cutting operation.

[0016] 3. This product features a sloping limiting support platform on the upper outer side of the door frame support platform. This platform provides lateral fixing support for irregularly shaped door frames with sloping sides. It also works in conjunction with the sloping fastening electric push rod to provide lateral limiting and fixing. Combined with the lifting fixing plate, it can provide all-round positioning and fixing of the door frame, improving the accuracy of the corner cutting operation.

[0017] 4. This product uses auxiliary precision control components such as a laser leveling instrument and a displacement fine-tuning screw. Before corner cutting operations, it can perform precise fine-tuning operations and provide visual and accurate marking indicators, which comprehensively improves the stability and accuracy of corner cutting operations. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the main structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the left-side structure of this utility model.

[0020] Figure 3 This is a schematic diagram of the right-side structure of this utility model.

[0021] Figure 4 This is a top view of the internal structure of this utility model. Detailed Implementation

[0022] 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 embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] In the following description of the invention, it should be noted that the terms "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the 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. The term "connection" simply indicates a connection between devices and has no special meaning.

[0024] For specific embodiments, please refer to Figure 1 , 2 As shown in Figures 3 and 4, a 45-degree door frame corner cutting machine includes a housing 1 and a door frame support platform 8 fixedly installed on at least one side of the housing 1. A servo motor 16 is fixedly installed on the housing 1, and the output end of the servo motor 16 is fixedly connected to a screw 18. A sliding nut 20 is fitted on the screw 18, and a cutting motor housing 33 is fixedly installed at the bottom of the sliding nut 20. A limiting sliding component 21 is installed on the top of the cutting motor housing 33, and limiting sliding rails 19 are fixedly installed on both sides of the screw 18. The limiting sliding component 21 is fitted on the limiting sliding rails 19. A cutting blade 32 is installed on the side of the cutting motor housing 33 through an output rotation shaft. The plane where the outer edge of the cutting blade 32 is located is flush with the inner edge of the door frame support platform 8. A lifting fixing plate 26 is provided on the top of the door frame support platform 8, and a slope limiting fixing plate 34 is provided on one side of the door frame support platform 8. The angle between the center of the door frame support platform 8 and the centerline of the length direction of the housing 1 is 45 degrees.

[0025] The door frame support platform 8 has a limiting slot 25 on one side, and a lifting fixing plate 26 is installed on the upper part of the limiting slot 25. An inclined limiting support platform 24 is fixedly installed on the top surface of the other side of the door frame support platform 8. An inclined limiting fixing plate 34 is set on the outer inclined surface of the inclined limiting support platform 24. The outer side of the lifting fixing plate 26 is fixedly connected to the bottom of the longitudinal lifting adjustment plate 27. The top inner side of the longitudinal lifting adjustment plate 27 is fixedly connected through a connecting plate 30. An electric lifting rod 28 is set at the bottom of the connecting plate 30. A lifting support plate 29 is set on the outer side of the electric lifting rod 28. The lifting support plate 29 is provided with a lifting rail. The longitudinal lifting adjustment plate 27 is provided with a lifting sliding block that is fitted with the lifting rail. An inclined longitudinal support rod 22 is set on the outer side of the inclined limiting fixing plate 34. An inclined fastening electric push rod 23 with its output end facing the outer side of the inclined limiting fixing plate 34 is installed on the inclined longitudinal support rod 22.

[0026] The bottom of the private motor 16 is provided with a motor bracket 15. The outer end of the screw 18 is mounted on the screw bracket 4 through a rotating bushing. The housing 1 at the outer end of the screw bracket 4 is provided with a touch screen display 12 and control buttons 13. The housing 1 at the outer end of the motor bracket 15 is provided with an electrical control cabinet 17. The bottom of the housing 1 is provided with a leveling adjustable support leg 2. A laser leveling instrument bracket 5 is fixedly mounted on the screw bracket 4. A laser leveling instrument 6 that cooperates with the outer edge of the cutting disc 32 and the inner edge of the door frame support 8 is fixedly mounted on the inner side of the outer end of the laser leveling instrument bracket 5. An adjustable bracket 7 is fixedly mounted on the bottom of the door frame support 8. A fine-tuning connecting block 9 is mounted on the adjustable bracket 7. A displacement fine-tuning screw 11 is fixedly mounted on the fine-tuning connecting block 9. A fine-tuning nut 10 that cooperates with the displacement fine-tuning screw 11 is mounted on the screw bracket 4.

[0027] The cutting motor housing 33 houses a cutting disc motor, and the cutting disc 32 is fitted onto the output end of the cutting disc motor. Two limiting sliding rails 19 are symmetrically installed on the inner walls of the housing 1 on both sides of the screw 18. The plane at the bottom of the cutting disc 32 is located below the plane at the bottom of the door frame support platform 8. An adjustable observation window 3 is located below the touch screen display 12, and a material unloading observation window 14 is located on one side of the housing 1 of the electrical control cabinet 17. Cutting observation windows 35 are located on both the front and rear sides of the housing 1.

[0028] The depth of the limiting slot 25 is not less than half the thickness of the door frame support 8. The inner side of the lifting fixing plate 26 is flush with the inner edge of the limiting slot 25. The outer edge of the limiting slot 25 is an open structure. The lifting fixing plate 26 is a plate-shaped structure with a thickness not greater than the depth of the limiting slot 25. The outer side of the inclined limiting support 24 is an inclined structure. The inclination angle of the inclined limiting fixing plate 34 is the same as the inclination angle of the outer side of the inclined limiting support 24. The bottom of the lifting support plate 29 is fixedly installed with a lifting support platform 31. The longitudinal lifting adjustment plate 27 is a plate-shaped structure that can move longitudinally with the lifting of the connecting plate 30.

[0029] When using this product, it should be placed according to the model of the door frame profile. When the door frame profile has regular dimensions, place it in the limiting slot 25 and adjust the height of the lifting fixing plate 26. The lifting action of the electric lifting rod 28 drives the vertical lifting adjustment plate 27 to rise and fall. The pressure from the continuous descent of the electric lifting rod 28 firmly presses the bottom of the lifting fixing plate 26 against the top surface of the door frame profile, ensuring the stable placement of the door frame profile. The lifting of the lifting fixing plate 26 is achieved by the extension and retraction of the electric lifting rod 28. Alternatively, the lifting operation of the electric lifting rod 28 can be replaced by a screw-driven sliding nut structure, using the sliding nut to drive the vertical displacement of the lifting fixing plate 26. The lifting track and the lifting sliding block cooperate to achieve stable limiting during the vertical movement of the lifting fixing plate 26.

[0030] During the corner cutting operation, the servo motor 16 is activated, and the screw 18 rotates. Simultaneously, the sliding nut 20, fitted onto its outer side, achieves horizontal displacement. When displacement occurs, the limiting sliding rail 19, in conjunction with the limiting sliding component 21, achieves limited translation. The cutting motor housing 33 operates synchronously during the movement and, upon activation, drives the cutting blade 32 to rotate. When the displacement operation reaches the door frame profile position, the cutting blade 32 cuts the door frame, which is positioned at a 45-degree angle. After corner cutting, its cross-section is 45 degrees, achieving a 45-degree corner cut on the profile.

[0031] When fixing special irregular profiles by chopping corners, place them on top of the door frame support platform 8, with the side of the profile matching the inner side of the inclined limit support platform 24. Use the output of the inclined fastening electric push rod 23 to fasten the back of the inclined limit fixing plate 34. Combined with the height adjustment of the lifting fixing plate 26, the irregular profile is stably limited and fixed. The cutting operation is the same as the above operation steps.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A 45-degree door frame corner cutting machine, comprising a housing (1) and a door frame support platform (8) fixedly installed on at least one side of the housing (1), characterized in that: The housing (1) is fixedly equipped with a servo motor (16). The output end of the servo motor (16) is fixedly connected to the screw (18). A sliding nut (20) is fitted on the screw (18). A cutting motor housing (33) is fixedly installed at the bottom of the sliding nut (20). A limiting sliding component (21) is installed on the top of the cutting motor housing (33). Limiting sliding rails (19) are fixedly installed on both sides of the screw (18). The limiting sliding component (21) is fitted on the limiting sliding rail (19). A cutting blade (32) is mounted on the side of the cutting motor housing (33) via an output rotating shaft. The plane containing the outer edge of the cutting blade (32) is flush with the inner edge of the door frame support platform (8). A lifting fixing plate (26) is provided on the top of the door frame support platform (8). A slope limiting fixing plate (34) is provided on one side of the door frame support platform (8). The angle between the center of the door frame support platform (8) and the centerline of the length direction of the housing (1) is 45 degrees. A limiting slot (25) is provided on one side of the door frame support platform (8). The lifting fixing plate (26) is installed on the upper part of the limiting slot (25). The inclined limiting support platform (24) is fixedly installed on the top surface of the other side of the door frame support platform (8). The inclined limiting fixing plate (34) is set on the outer inclined surface of the inclined limiting support platform (24). The outer side of the lifting fixing plate (26) is fixedly connected to the bottom of the longitudinal lifting adjustment plate (27). The top inner side of the longitudinal lifting adjustment plate (27) is fixedly connected through the connecting plate (30). The bottom of the connecting plate (30) is provided with An electric lifting rod (28) is provided, and a lifting support plate (29) is provided on the outside of the electric lifting rod (28). The lifting support plate (29) is provided with a lifting track. The longitudinal lifting adjustment plate (27) is provided with a lifting sliding block that is fitted together with the lifting track. The outer side of the inclined limit fixing plate (34) is provided with an inclined longitudinal support rod (22). An inclined fastening electric push rod (23) with its output end facing the outer side of the inclined limit fixing plate (34) is installed on the inclined longitudinal support rod (22).

2. The 45-degree door frame corner cutting machine according to claim 1, characterized in that: The servo motor (16) is provided with a motor bracket (15) at its bottom. The outer end of the screw (18) is mounted on the screw bracket (4) via a rotating bushing. The housing (1) at the outer end of the screw bracket (4) is provided with a touch screen (12) and control buttons (13). The housing (1) at the outer end of the motor bracket (15) is provided with an electrical control cabinet (17). The bottom of the housing (1) is provided with a leveling adjustable support leg (2). A laser leveling instrument bracket (5) is fixedly mounted on the screw bracket (4). A laser leveler (6) is fixedly installed on the inner side of the outer end of the laser leveler bracket (5), which is compatible with the outer edge of the cutting disc (32) and the inner edge of the door frame support (8). An adjustable bracket (7) is fixedly installed at the bottom of the door frame support (8). A fine adjustment connecting block (9) is installed on the adjustable bracket (7). A displacement fine adjustment screw (11) is fixedly installed on the fine adjustment connecting block (9). A fine adjustment nut (10) that is compatible with the displacement fine adjustment screw (11) is installed on the screw bracket (4).

3. The 45-degree door frame corner cutting machine according to claim 1, characterized in that: The cutting motor housing (33) is equipped with a cutting blade motor. The cutting blade (32) is fitted onto the output end of the cutting blade motor. There are two limiting sliding rails (19). The two limiting sliding rails (19) are symmetrically installed on the inner wall of the housing (1) on both sides of the screw (18). The plane at the bottom of the cutting blade (32) is located below the plane at the bottom of the door frame support platform (8).

4. The 45-degree door frame corner cutting machine according to claim 2, characterized in that: The touch screen (12) is provided with an adjustable observation window (3) below it, and the box (1) on one side of the electrical control cabinet (17) is provided with a material dropping observation window (14). The front and rear sides of the box (1) are provided with cutting observation windows (35).

5. The 45-degree door frame corner cutting machine according to claim 1, characterized in that: The depth of the limiting slot (25) is not less than half the thickness of the door frame support (8). The inner side of the lifting fixing plate (26) is flush with the inner edge of the limiting slot (25). The outer edge of the limiting slot (25) is an open structure. The lifting fixing plate (26) is a plate structure with a thickness not greater than the depth of the limiting slot (25).

6. The 45-degree door frame corner cutting machine according to claim 1, characterized in that: The outer side of the inclined limiting support platform (24) is an inclined structure, and the inclination angle of the inclined limiting fixing plate (34) is consistent with the inclination angle of the outer side of the inclined limiting support platform (24).

7. The 45-degree door frame corner cutting machine according to claim 1, characterized in that: The bottom of the lifting support plate (29) is fixedly installed with a lifting support platform (31), and the longitudinal lifting adjustment plate (27) is a plate structure that can move longitudinally with the lifting of the connecting plate (30).

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