Limiting lifting mechanism of 45-degree door frame angle cutter

Abstract

The utility model relates to a limiting lifting mechanism of a 45-degree door frame angle cutter. A sliding rail is longitudinally and fixedly installed on the inner side face of a longitudinal supporting plate, a sliding block is sleeved on the sliding rail, the sliding block is fixedly connected with the inner side of a vertical lifting plate, a lifting clamping plate is fixedly installed at the bottom of the vertical lifting plate, and a lifting device is arranged between the vertical lifting plate and the longitudinal supporting plate. The whole door frame clamping device can be flexibly adjusted, when the lifting clamping plate ascends, a prevention space can be provided for the lower portion of the lifting clamping plate, when the lifting clamping plate descends, a door frame arranged on the lower portion of the lifting clamping plate can be clamped and fixed, overall use is convenient and fast, and adaptive adjustment according to the thickness of the clamped door frame is achieved.

Description

Technical Field

[0001] The utility model relates to the field of machinery, and particularly relates to a limit lifting mechanism for a 45-degree door frame corner cutting machine. Background Art

[0002] A corner cutting machine can perform 45-degree bevel or polygon cutting. During the production process of door frames, a corner cutting machine is often used for 45-degree door frame corner cutting operations. Traditional corner cutting equipment has the defect of poor stability during use. During the use process, the door frame body often cannot be stably fixed, resulting in offset and movement during the cutting operation along with vibration and the running of the cutting operation, affecting the accuracy of the final cutting angle. The traditional method uses pads, blocks, etc. for height padding adjustment, which has poor stability and affects the efficient and accurate operation of the cutting operation.

[0003] Therefore, it has a broad market prospect to produce a limit lifting mechanism for a 45-degree door frame corner cutting machine with a simple structure, convenient operation, strong stability, precise adjustment and stable fixation, and high cutting accuracy. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the utility model provides a limit lifting mechanism for a 45-degree door frame corner cutting machine with a simple structure, convenient operation, strong stability, precise adjustment and stable fixation, and high cutting accuracy, which is used to overcome the defects in the prior art.

[0005] The technical solution of the utility model is realized as follows: A limit lifting mechanism for a 45-degree door frame corner cutting machine includes a base, a longitudinal support plate fixedly installed on the base. A slide rail is longitudinally and fixedly installed on the inner side of the longitudinal support plate. A slider is sleeved on the slide rail, and the slider is fixedly connected to the inner side of a vertical lifting plate. A lifting clamping plate is fixedly installed at the bottom of the vertical lifting plate. An elevating device is arranged between the vertical lifting plate and the longitudinal support plate.

[0006] Further, the elevating device includes an electric push rod fixedly installed on the top surface of the base outside the longitudinal support plate. The top output end of the electric push rod is connected to the inner end of the top of the vertical lifting plate through a lifting connecting plate.

[0007] Further, the elevating device includes a groove opened at the top of the longitudinal support plate. A horizontal support frame is fixedly installed at the bottom of the groove. The inner end of the horizontal support frame is installed with a screw through a bearing. A driven wheel is fixedly installed at the top of the screw. A servo motor is installed at the bottom of the outer end of the horizontal support frame. The output end of the servo motor is fixedly connected to a driving wheel installed at the top of the outer end of the horizontal support frame. The driving wheel is connected to the driven wheel through a transmission belt. The bottom of the screw is supported on the inner side of the bottom of the longitudinal support plate through a support shaft frame. A sliding nut is sleeved on the screw, and the sliding nut is fixedly connected to the inner side surface of the vertical lifting plate through a sliding connecting piece.

[0008] Furthermore, the plane where the inner end of the base and the inner end of the vertical lifting plate are located is perpendicular to the horizontal plane. The length of the vertical lifting plate is not less than the length of the longitudinal support plate. The slider is fixedly installed at a position below the middle of the vertical lifting plate.

[0009] Furthermore, a push rod fixing seat is provided at the bottom of the electric push rod. The push rod fixing seat is fixedly installed on the top surface of the base outside the longitudinal support plate. A limit support ring seat is provided in the middle of the electric push rod. The limit support ring seat is fixedly connected to the middle position on the inner side of the longitudinal support plate. The top surface of the lifting connection plate is on the same horizontal plane as the top surface of the vertical lifting plate.

[0010] Furthermore, the groove is a square groove structure. The groove is opened at the middle line position of the top of the longitudinal support plate. The horizontal support frame is a square plate structure. The middle position of the bottom surface of the horizontal support frame is fixedly connected to the bottom of the groove.

[0011] Furthermore, the bottom of the driven wheel is on the same horizontal level as the bottom of the driving wheel. The sliding connection member is fixedly installed at a position below the middle of the vertical lifting plate. The slider is installed below the plane where the bottom of the sliding connection member is located. The length of the screw is not greater than the length of the longitudinal support plate.

[0012] The utility model has the following positive effects:

[0013] 1. This product uses an electric push rod or a screw to realize the lifting operation of the external vertical lifting plate, further driving the lifting clamping plate to rise and adjust the position, and descending to provide pressure to clamp and fix the door frame below the lifting clamping plate. The whole can realize flexible adjustment. When the lifting clamping plate rises, it can provide a prevention space for its lower part. When the lifting clamping plate falls, it can clamp and fix the door frame arranged below it. The whole is convenient and fast to use, and can realize adaptive adjustment according to the thickness of the clamped door frame.

[0014] 2. This product adopts two lifting methods, and different lifting and fastening clamps are selected according to the material of the beveled door frame to be cut. The overall structure is compact, the lifting operation is fast, the fixing is stable and firm, which is helpful for the accuracy of the later beveling operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is one of the front view structural diagrams of the utility model.

[0016] Figure 2 It is one of the partial side view structural diagrams of the utility model.

[0017] Figure 3 It is the second front view structural diagram of the utility model.

[0018] Figure 4This is the second partial side structure schematic diagram of the present utility model. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] In the following description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. The term "connection" only represents the connection between devices and has no special meaning.

[0021] For a specific embodiment, refer to Figure 1 、 2 As shown in FIGS. 3 and 4, a 45-degree door frame chamfering machine limit lifting mechanism includes a base 1, a longitudinal support plate 2 fixedly installed on the base 1. A slide rail 3 is longitudinally fixedly installed on the inner side surface of the longitudinal support plate 2. A slider 4 is sleeved on the slide rail 3. The slider 4 is fixedly connected to the inner side of a vertical lifting plate 5. A lifting clamping plate 6 is fixedly installed at the bottom of the vertical lifting plate 5. A lifting device is provided between the vertical lifting plate 5 and the longitudinal support plate 2. The inner end of the base 1 and the plane where the inner end of the vertical lifting plate 5 is located are perpendicular to the horizontal plane. The length of the vertical lifting plate 5 is not less than the length of the longitudinal support plate 2. The slider 4 is fixedly installed at a position slightly below the middle of the vertical lifting plate 5.

[0022] The lifting device includes an electric push rod 9 fixedly installed on the top surface of the base 1 outside the longitudinal support plate 2. The top output end of the electric push rod 9 is connected to the inner end of the top of the vertical lifting plate 5 through a lifting connection plate 10. A push rod fixing seat 8 is provided at the bottom of the electric push rod 9. The push rod fixing seat 8 is fixedly installed on the top surface of the base 1 outside the longitudinal support plate 2. A limit support ring seat 7 is provided in the middle of the electric push rod 9. The limit support ring seat 7 is fixedly connected to the middle position on the inner side of the longitudinal support plate 2. The top surface of the lifting connection plate 10 and the top surface of the vertical lifting plate 5 are on the same horizontal plane.

[0023] The described lifting device includes a groove 20 formed at the top of the longitudinal support plate 2. A horizontal support frame 15 is fixedly installed at the bottom of the groove 20. The inner end of the horizontal support frame 15 is provided with a screw rod 14 through a bearing. A driven wheel 16 is fixedly installed at the top of the screw rod 14. The bottom of the outer end of the horizontal support frame 15 is provided with a servo motor 19. The output end of the servo motor 19 is fixedly connected to a driving wheel 17 installed at the top of the outer end of the horizontal support frame 15. The driving wheel 17 is connected to the driven wheel 16 through a transmission belt 18. The bottom of the screw rod 14 is supported on the inner side of the bottom of the longitudinal support plate 2 through a support shaft frame 11. A sliding nut 13 is sleeved on the screw rod 14. The sliding nut 13 is fixedly connected to the inner side surface of the vertical lifting plate 5 through a sliding connecting member 12. The groove 20 is a square groove structure and is formed at the middle line position of the top of the longitudinal support plate 2. The horizontal support frame 15 is a square plate structure, and the middle position of the bottom surface of the horizontal support frame 15 is fixedly connected to the bottom of the groove 20. The bottom of the driven wheel 16 and the bottom of the driving wheel 17 are on the same horizontal plane. The sliding connecting member 12 is fixedly installed at a position slightly below the middle of the vertical lifting plate 5. The slider 4 is installed below the plane where the bottom of the sliding connecting member 12 is located. The length of the screw rod 14 is not greater than the length of the longitudinal support plate 2.

[0024] When this product is in use, when the electric push rod 9 is used for lifting operation, the base 1 is fixedly connected to the side of the chamfering device. After fixed installation, the bottom surface of the lifting clamping plate 6 corresponds to the top of the door frame placement platform. When placing the door frame, first start the electric push rod 9, use the lifting connecting plate 10 to drive the vertical lifting plate 5 to rise, and further drive the lifting clamping plate 6 to rise. Then place the door frame. After placement, start the electric push rod 9 to drive the lifting clamping plate 6 to move down, and continuously clamp the door frame below it. During the process of the lifting clamping plate 6 moving up or down, the slider 4 moves up and down along the slide rail 3 to provide guiding operation.

[0025] When this product is in use, when the screw rod is used to drive the lifting operation, the base 1 is fixedly connected to the side of the chamfering device. After fixed installation, the bottom surface of the lifting clamping plate 6 corresponds to the top of the door frame placement platform. When placing the door frame, first start the servo motor 19. The servo motor 19 drives the driving wheel 17 to rotate. The driving wheel 17 drives the driven wheel 16 to rotate through the transmission belt 18. Further, the screw rod 14 rotates. The sliding nut 13 drives the vertical lifting plate 5 to rise through the sliding connecting member 12, and further drives the lifting clamping plate 6 to rise. Then place the door frame. After placement, start the servo motor 19 again. The servo motor 19 drives the driving wheel 17 to rotate in the reverse direction. The driving wheel 17 drives the driven wheel 16 to rotate through the transmission belt 18. Further, the screw rod 14 rotates. The sliding nut 13 drives the vertical lifting plate 5 to move down through the sliding connecting member 12, and continuously clamps the door frame below it. During the process of the lifting clamping plate 6 moving up or down, the slider 4 moves up and down along the slide rail 3 to provide guiding operation.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A 45-degree door frame chamfering machine limit lifting mechanism, comprising a base (1) and a longitudinal support plate (2) fixedly installed on the base (1), characterized in that: On the inner side of the longitudinal support plate (2), a slide rail (3) is longitudinally and fixedly installed. A slider (4) is sleeved on the slide rail (3). The slider (4) is fixedly connected to the inner side of the vertical lifting plate (5). At the bottom of the vertical lifting plate (5), a lifting clamping plate (6) is fixedly installed. An elevating device is arranged between the vertical lifting plate (5) and the longitudinal support plate (2).

2. The 45-degree doorframe chamfering machine limit lifting mechanism according to claim 1, characterized in that: The elevating device includes an electric push rod (9) fixedly installed on the top surface of the base (1) on the outer side of the longitudinal support plate (2). The top output end of the electric push rod (9) is connected to the inner end of the top of the vertical lifting plate (5) through a lifting connecting plate (10).

3. The limit lifting mechanism of the 45-degree door frame corner cutting machine according to claim 1, characterized in that: The elevating device includes a groove (20) opened at the top of the longitudinal support plate (2). At the bottom of the groove (20), a horizontal support frame (15) is fixedly installed. At the inner end of the horizontal support frame (15), a screw rod (14) is installed through a bearing. At the top of the screw rod (14), a driven wheel (16) is fixedly installed. At the bottom of the outer end of the horizontal support frame (15), a servo motor (19) is installed. The output end of the servo motor (19) is fixedly connected to a driving wheel (17) installed at the top of the outer end of the horizontal support frame (15). The driving wheel (17) is connected to the driven wheel (16) through a transmission belt (18). The bottom of the screw rod (14) is supported on the inner side of the bottom of the longitudinal support plate (2) through a support shaft frame (11). A sliding nut (13) is sleeved on the screw rod (14). The sliding nut (13) is fixedly connected to the inner side surface of the vertical lifting plate (5) through a sliding connecting piece (12).

4. The 45-degree door frame chamfering machine limit lifting mechanism according to claim 1, characterized in that: The inner end of the base (1) and the plane where the inner end of the vertical lifting plate (5) is located are perpendicular to the horizontal plane. The length of the vertical lifting plate (5) is not less than the length of the longitudinal support plate (2). The slider (4) is fixedly installed at a position below the middle of the vertical lifting plate (5).

5. The limit lifting mechanism of the 45-degree door frame chamfering machine according to claim 2, characterized in that: At the bottom of the electric push rod (9), a push rod fixing seat (8) is provided. The push rod fixing seat (8) is fixedly installed on the top surface of the base (1) on the outer side of the longitudinal support plate (2). At the middle of the electric push rod (9), a limit support ring seat (7) is provided. The limit support ring seat (7) is fixedly connected to the middle position on the inner side of the longitudinal support plate (2). The top surface of the lifting connecting plate (10) and the top surface of the vertical lifting plate (5) are on the same horizontal plane.

6. The 45-degree door frame chamfering machine limit lifting mechanism according to claim 3, wherein: The groove (20) is of a square groove structure. The groove (20) is opened at the middle line position of the top of the longitudinal support plate (2). The horizontal support frame (15) is of a square plate structure. The middle position of the bottom surface of the horizontal support frame (15) is fixedly connected to the bottom of the groove (20).

7. The limit lifting mechanism of the 45-degree door frame corner cutting machine according to claim 3, characterized in that: The bottom of the driven wheel (16) and the bottom of the driving wheel (17) are on the same horizontal plane. The sliding connecting piece (12) is fixedly installed at a position below the middle of the vertical lifting plate (5). The slider (4) is installed below the plane where the bottom of the sliding connecting piece (12) is located. The length of the screw rod (14) is not greater than the length of the longitudinal support plate (2).

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