Automatic tenoning mechanism for numerical control tenoning machine

By adding steering and cleaning components on the CNC tenon machine, the processing inconvenience of beveled or irregular wooden structures and the problem of tenon knives are solved, and the sensitivity and cleaning effect are improved.

CN223211565UActive Publication Date: 2025-08-12HUNAN LAO PENGMU WRITERS CO LTD
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Patent Information

Application Number
CN202421591706.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-08-12
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

The existing CNC tenon machines are inconvenient to operate when processing beveled or irregular wooden structures, and wood chips are prone to adhere to the tenon knife to affect the accuracy of the tenon opening.

Method used

Add steering assembly and cleaning assembly to the CNC tenon machine, control the rotary motor to adjust the tenon angle through the control panel, and use sealing pistons and air conduit pipes to clean the outer wood chips on the tenon during the knife lifting process.

Benefits of technology

It improves the operating sensitivity of the CNC tenon machine, facilitates the tenon processing of beveled or irregular wooden structures, and effectively cleans the wood chips on the tenon knife to reduce the impact of chip jams.

✦ Generated by Eureka AI based on patent content.

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Abstract

The automatic tenoning mechanism for the numerical control tenoning machine comprises a placing plate, a mounting frame is arranged on the upper side of the placing plate in a sliding mode, a longitudinal adjusting assembly for driving the mounting frame to move is arranged on the side face of the placing plate, and a moving frame is arranged on the mounting frame in a sliding mode. A transverse adjusting assembly for driving the moving frame to move is arranged on the side face of the mounting frame, an adjusting assembly is arranged on the moving frame and comprises a lifting mechanism, and a positioning frame is mounted at the telescopic end of the lifting mechanism. According to the automatic tenoning mechanism for the numerical control tenoning machine, the steering assembly is additionally arranged on the basis of transverse deviation and longitudinal deviation, the overall sensitivity is improved, tenoning machining of an inclined face or an irregular wood structure is facilitated, the cleaning assembly used for cleaning wood chips on the outer side of the tenoning cutter is arranged, and the machining efficiency is improved. In the cutter lifting process, the cleaning assembly can automatically clean foreign matter on the outer side of the tenon cutter, and the influence on the tenon cutter due to the fact that wood chips are clamped in the tenon cutter is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of furniture preparation, in particular to an automatic tenoning mechanism for a numerically controlled tenoning machine. Background Art

[0002] As one of the common wood processing devices, CNC tenoning machines are often used for tenoning wooden structures when preparing wooden furniture. By opening mortises or processing tenons on wooden structures, they facilitate the connection between wooden structures. When common CNC tenoning machines process wooden structures, their position offset is usually achieved through transverse or longitudinal drive. This method is inconvenient when tenoning inclined surfaces, resulting in certain deficiencies in the use of CNC tenoning machines. In addition, when processing wooden structures with CNC tenoning machines, a large amount of wood chips will adhere to the tenon cutter. During the tenoning process, some wood chips are easily stuck on the tenon cutter, affecting the tenoning accuracy and hindering the use of the tenoning mechanism. Utility Model Content

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide an automatic mortising mechanism for a CNC mortising machine. A steering component is added on the basis of lateral offset and longitudinal offset, thereby improving the overall sensitivity and facilitating the mortising processing of inclined surfaces or irregular wooden structures. A cleaning component is provided for cleaning wood chips on the outside of the mortise cutter. During the process of lifting the cutter, the cleaning component can automatically clean foreign objects on the outside of the mortise cutter, reducing the impact of wood chips stuck in the mortise cutter, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic tenoning mechanism for a CNC tenoning machine, comprising a placing plate, a mounting bracket slidingly provided on the upper side of the placing plate, and a longitudinal adjustment component for driving the mounting bracket to move is provided on the side of the placing plate, a movable bracket is slidingly provided on the mounting bracket, and a lateral adjustment component for driving the movable bracket to move is provided on the side of the mounting bracket, an adjustment component is provided on the movable bracket, and the adjustment component comprises a lifting mechanism, and a positioning bracket is installed at the telescopic end of the lifting mechanism, a mounting plate is rotatably installed on the side of the positioning bracket, and a driving component for driving the mounting plate to rotate is provided on the side of the positioning bracket, a driving motor is installed on the side of the mounting plate, and a tenon cutter body is installed on the driving shaft of the driving motor, a cleaning component for cleaning wood chips on the tenon cutter body is provided on the side of the positioning bracket, a control panel is installed on the side of the mounting bracket, and the driving motor, a control switch corresponding to the driving motor in the control panel, and an external power supply are connected in series to form a working circuit of the driving motor.

[0005] As an optimal technical solution of the present invention, a fixed plate is fixed on the top of the lifting mechanism, and the cleaning assembly includes a sealing cylinder installed on the side of the positioning frame, a positioning rod is fixed on the side of the fixed plate, a sealing piston is fixed to the bottom end of the positioning rod, and the sealing piston is located in the sealing cylinder and contacts the inner side of the sealing cylinder, and an air guide tube connected to its inner cavity is installed on the lower part of the side of the sealing cylinder, and the air guide tube is arranged at one end away from the sealing cylinder toward the mortise cutter body.

[0006] As a preferred technical solution of the present invention, the longitudinal adjustment component includes a longitudinal adjustment motor installed on the upper side of the placement plate, and a longitudinal adjustment screw for driving the mounting frame to move is installed on the driving shaft of the longitudinal adjustment motor. The longitudinal adjustment motor, the control switch corresponding to the longitudinal adjustment motor in the control panel, and the external power supply are connected in series to form a working circuit of the longitudinal adjustment motor.

[0007] As a preferred technical solution of the present invention, the lateral adjustment assembly includes a lateral adjustment motor installed on one side of the mounting frame, a lateral adjustment screw is installed on the drive shaft of the lateral adjustment motor, a threaded barrel is fixed on the side of the mobile frame, the lateral adjustment screw is located in the threaded barrel and is threadedly connected to the threaded barrel, the lateral adjustment motor, the control switch corresponding to the lateral adjustment motor in the control panel, and the external power supply are connected in series to form a working circuit of the lateral adjustment motor

[0008] As an optimal technical solution of the present invention, the lifting mechanism includes an electric telescopic cylinder, the positioning frame is fixedly installed at the telescopic end of the electric telescopic cylinder, and the electric telescopic cylinder, the control switch corresponding to the electric telescopic cylinder in the control panel, and the external power supply are connected in series to form a working circuit of the electric telescopic cylinder.

[0009] As a preferred technical solution of the present invention, the drive assembly includes a rotating motor installed on the side of the positioning frame, the mounting plate is installed on the drive shaft of the rotating motor, and a positioning seat for positioning the drive motor is installed on the side of the mounting plate. The rotating motor, the control switch corresponding to the rotating motor in the control panel, and the external power supply are connected in series to form a working circuit of the rotating motor.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The automatic mortising mechanism of the CNC mortising machine in the present invention can control the operation of the rotary motor to drive the mounting plate to rotate through the control panel during the mortising process, and adjust the angle of the driving motor to facilitate changing the mortising angle of the mortising mechanism, thereby improving the operational sensitivity of the mortising mechanism and facilitating the mortising processing of wooden structures.

[0012] 2. The automatic mortising mechanism of the CNC mortising machine in the example of the present invention, after the mortising is completed, the positioning frame is driven by the electric telescopic cylinder to move up and lift the knife. The positioning rod installed on the side of the fixed plate pushes the sealing piston to move in the sealing cylinder. The sealing piston squeezes the air in the sealing cylinder and sprays it out through the air guide tube, cleaning foreign matter such as wood chips attached to the outside of the mortising knife body, making it easier to use the mortising knife body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 This is a structural diagram of the utility model from another perspective;

[0015] Figure 3 It is a structural diagram of the adjustment component in the utility model;

[0016] Figure 4 It is a front view structural diagram of the adjustment component in the present utility model.

[0017] In the figure: 1 placement plate, 2 mounting frame, 3 longitudinal adjustment screw, 4 longitudinal adjustment motor, 5 transverse adjustment screw, 6 transverse adjustment motor, 7 moving frame, 8 threaded cylinder, 9 electric telescopic cylinder, 10 positioning frame, 11 rotating motor, 12 mounting plate, 13 positioning seat, 14 driving motor, 15 mortise body, 16 fixing plate, 17 sealing cylinder, 18 positioning rod, 19 sealing piston, 20 air guide tube, 21 control panel. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-4The utility model provides a technical solution: an automatic mortising mechanism for a CNC mortising machine, comprising a placing plate 1, a mounting bracket 2 being slidingly arranged on the upper side of the placing plate 1, a control panel 21 being installed on the side of the mounting bracket 2, the control panel 21 being preferably a PLC controller with a display screen and a control switch, the operation of the electronic components in the mortising mechanism being controlled by the set control panel 21, and a longitudinal adjustment component for driving the mounting bracket 2 to move being provided on the side of the placing plate 1, the longitudinal adjustment component comprising a longitudinal adjustment motor 4 installed on the upper side of the placing plate 1, a longitudinal adjustment screw 3 for driving the mounting bracket 2 to move being installed on the driving shaft of the longitudinal adjustment motor 4, the longitudinal adjustment motor 4, the control switch corresponding to the longitudinal adjustment motor 4 in the control panel 21, and an external power supply being connected in series to form a working circuit of the longitudinal adjustment motor 4, the wooden structure to be mortised is placed on the placing plate 1, the longitudinal adjustment motor 4 is controlled by the control panel 21 to drive the longitudinal adjustment screw 3 to rotate, and the position of the mounting bracket 2 is adjusted.

[0020] A movable frame 7 is slidingly provided on the mounting frame 2, and a lateral adjustment component for driving the movable frame 7 to move is provided on the side of the mounting frame 2. The lateral adjustment component includes a lateral adjustment motor 6 installed on one side of the mounting frame 2, and a lateral adjustment screw 5 is installed on the driving shaft of the lateral adjustment motor 6. A threaded barrel 8 is fixed on the side of the movable frame 7. The lateral adjustment screw 5 is located in the threaded barrel 8 and is threadedly connected to the threaded barrel 8. The lateral adjustment motor 6, the control switch corresponding to the lateral adjustment motor 6 in the control panel 21, and the external power supply are connected in series to form a working circuit of the lateral adjustment motor 6. The lateral adjustment motor 6 is controlled by the control panel 21 to drive the lateral adjustment screw 5 to rotate. Under the restriction of the threaded barrel 8, the lateral adjustment screw 5 drives the movable frame 7 to move on the side of the mounting frame 2.

[0021] An adjustment component is provided on the movable frame 7, which includes a lifting mechanism, and a positioning frame 10 is installed at the telescopic end of the lifting mechanism. The lifting mechanism includes an electric telescopic cylinder 9, and the positioning frame 10 is fixedly installed on the telescopic end of the electric telescopic cylinder 9. The electric telescopic cylinder 9, the control switch corresponding to the electric telescopic cylinder 9 in the control panel 21, and the external power supply are connected in series to form a working circuit of the electric telescopic cylinder 9. The electric telescopic cylinder 9 is controlled by the control panel 21 to move the positioning frame 10 downward, which is convenient for the mortise and tenon mechanism to perform mortise processing on the wooden structure.

[0022] A mounting plate 12 is rotatably installed on the side of the positioning frame 10, and a driving assembly for driving the mounting plate 12 to rotate is provided on the side of the positioning frame 10. The driving assembly includes a rotating motor 11 installed on the side of the positioning frame 10, and the mounting plate 12 is installed on the driving shaft of the rotating motor 11. A positioning seat 13 for positioning the driving motor 14 is installed on the side of the mounting plate 12. The rotating motor 11, the control switch corresponding to the rotating motor 11 in the control panel 21, and the external power supply are connected in series to form a working circuit of the rotating motor 11. During the mortising process, the rotating motor 11 can be controlled by the control panel 21 to drive the mounting plate 12 to rotate, which is convenient for changing the mortising angle of the mortising mechanism and improving the operational sensitivity of the mortising mechanism.

[0023] A drive motor 14 is installed on the side of the mounting plate 12, and a mortise cutter body 15 is installed on the driving shaft of the drive motor 14. The drive motor 14, the control switch corresponding to the drive motor 14 in the control panel 21, and the external power supply are connected in series to form a working circuit of the drive motor 14. The drive motor 14 is controlled by the control panel 21 to drive the mortise cutter body 15 to rotate, and then the electric telescopic cylinder 9 is controlled by the control panel 21 to make the positioning frame 10 drive the drive motor 14 to move downward, so as to facilitate the mortise cutter body 15 to be close to the wooden structure for mortising.

[0024] A cleaning assembly for cleaning wood chips on the tenon cutter body 15 is provided on the side of the positioning frame 10, and a fixing plate 16 is fixed on the top of the lifting mechanism. The cleaning assembly includes a sealing cylinder 17 installed on the side of the positioning frame 10, and a positioning rod 18 is fixed on the side of the fixing plate 16. A sealing piston 19 is fixed to the bottom end of the positioning rod 18, and the sealing piston 19 is located in the sealing cylinder 17 and contacts the inner side of the sealing cylinder 17. An air guide tube 20 connected to its inner cavity is installed on the lower part of the side of the sealing cylinder 17. The air guide tube 20 is away from the end of the sealing cylinder 17 and is arranged toward the tenon cutter body 15. After the tenoning is completed, the positioning frame 10 is driven by the electric telescopic cylinder 9 to move up and lift the knife. During the process, the positioning rod 18 installed on the side of the fixing plate 16 pushes the sealing piston 19 to move in the sealing cylinder 17. The sealing piston 19 squeezes the air in the sealing cylinder 17 and sprays it out through the air guide tube 20, so as to clean the wood chips and other foreign objects attached to the outside of the tenon cutter body 15, thereby facilitating the use of the tenon cutter body 15.

[0025] The longitudinal adjustment motor 4, the lateral adjustment motor 6, the electric telescopic cylinder 9, the rotary motor 11, the drive motor 14 and the control panel 21 used in the present invention are all commonly used electronic components in the prior art, and the working method of controlling the longitudinal adjustment motor 4, the lateral adjustment motor 6, the electric telescopic cylinder 9, the rotary motor 11, the drive motor 14 and other electronic components through the control panel 21 is a commonly used technical means for technicians, and their working methods and circuit structures are well-known technologies and will not be elaborated here.

[0026] When using:

[0027] Place the wooden structure to be mortised on the placement board 1, and control the longitudinal adjustment motor 4 through the control panel 21 to drive the longitudinal adjustment screw 3 to rotate, thereby adjusting the position of the mounting frame 2, so as to facilitate the movement of the mortising cutter body 15 above the wooden structure;

[0028] The lateral adjustment motor 6 is controlled by the control panel 21 to drive the lateral adjustment screw 5 to rotate. Under the restraining effect of the threaded cylinder 8, the lateral adjustment screw 5 drives the moving frame 7 to move on the side of the mounting frame 2, so that the tenon cutter body 15 can be moved to the top of the wooden structure for tenoning.

[0029] The control panel 21 controls the driving motor 14 to work and drive the mortise cutter body 15 to rotate. Then, the control panel 21 controls the electric telescopic cylinder 9 to work so that the positioning frame 10 drives the driving motor 14 to move downward, so that the mortise cutter body 15 is close to the wooden structure for mortising.

[0030] During the mortising process, the control panel 21 can be used to control the rotation motor 11 to drive the mounting plate 12 to rotate, and the angle of the drive motor 14 can be adjusted to facilitate changing the mortising angle of the mortising mechanism, thereby improving the operational sensitivity of the mortising mechanism and facilitating the mortising process of wooden structures.

[0031] After the mortising is completed, the electric telescopic cylinder 9 drives the positioning frame 10 to move up and lift the knife. During this process, the positioning rod 18 installed on the side of the fixed plate 16 pushes the sealing piston 19 to move in the sealing cylinder 17. The sealing piston 19 squeezes the air in the sealing cylinder 17 and sprays it out through the air guide tube 20, cleaning the wood chips and other foreign objects attached to the outside of the mortising tool body 15, making it easier to use the mortising tool body 15.

[0032] The undisclosed parts of the present invention are all prior art, and their specific structures, materials and working principles will not be described in detail. Although the embodiments of the present invention have been shown and described, it will be understood by those skilled 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. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic tenoning mechanism for a CNC tenoning machine, comprising a placement plate (1), characterized in that: The placement plate (1) is provided with a mounting frame (2) on the upper side thereof in a sliding manner, and a longitudinal adjustment component for driving the mounting frame (2) to move is provided on the side of the placement plate (1), a moving frame (7) is provided on the upper side thereof in a sliding manner, and a transverse adjustment component for driving the moving frame (7) to move is provided on the side of the mounting frame (2), and an adjustment component is provided on the moving frame (7), and the adjustment component includes a lifting mechanism, and a positioning frame (10) is installed at the telescopic end of the lifting mechanism, and a mounting plate (12) is rotatably installed on the side of the positioning frame (10), and the positioning frame (10) is provided on the side thereof. A driving assembly for driving the mounting plate (12) to rotate is provided on the side of the mounting plate (12), a driving motor (14) is installed on the side of the mounting plate (12), and a tenon cutter body (15) is installed on the driving shaft of the driving motor (14), a cleaning assembly for cleaning wood chips on the tenon cutter body (15) is provided on the side of the positioning frame (10), a control panel (21) is installed on the side of the mounting frame (2), and the driving motor (14), a control switch corresponding to the driving motor (14) in the control panel (21), and an external power supply are connected in series to form a working circuit of the driving motor (14); A fixing plate (16) is fixed on the top of the lifting mechanism, and the cleaning assembly includes a sealing cylinder (17) installed on the side of the positioning frame (10), a positioning rod (18) is fixed on the side of the fixing plate (16), a sealing piston (19) is fixed at the bottom end of the positioning rod (18), and the sealing piston (19) is located in the sealing cylinder (17) and contacts the inner side of the sealing cylinder (17), and an air guide tube (20) connected to the inner cavity of the sealing cylinder (17) is installed at the lower part of the side of the sealing cylinder (17), and the air guide tube (20) is arranged at one end away from the sealing cylinder (17) toward the tenon cutter body (15).

2. The automatic mortising mechanism for a CNC mortising machine according to claim 1, characterized in that: The longitudinal adjustment assembly comprises a longitudinal adjustment motor (4) mounted on the upper side of the placement plate (1); a longitudinal adjustment screw (3) for driving the mounting frame (2) to move is mounted on the drive shaft of the longitudinal adjustment motor (4); the longitudinal adjustment motor (4), a control switch corresponding to the longitudinal adjustment motor (4) in the control panel (21), and an external power supply are connected in series to form a working circuit of the longitudinal adjustment motor (4).

3. The automatic mortising mechanism for a CNC mortising machine according to claim 1, characterized in that: The lateral adjustment assembly comprises a lateral adjustment motor (6) mounted on one side of the mounting frame (2), a lateral adjustment screw (5) being mounted on a driving shaft of the lateral adjustment motor (6), a threaded barrel (8) being fixed on a side of the movable frame (7), the lateral adjustment screw (5) being located inside the threaded barrel (8) and being threadedly connected to the threaded barrel (8), the lateral adjustment motor (6), a control switch corresponding to the lateral adjustment motor (6) in the control panel (21), and an external power supply being connected in series to form a working circuit of the lateral adjustment motor (6).

4. The automatic mortising mechanism for a CNC mortising machine according to claim 1, characterized in that: The lifting mechanism comprises an electric telescopic cylinder (9), the positioning frame (10) is fixedly mounted on the telescopic end of the electric telescopic cylinder (9), and the electric telescopic cylinder (9), a control switch corresponding to the electric telescopic cylinder (9) in the control panel (21), and an external power supply are connected in series to form a working circuit of the electric telescopic cylinder (9).

5. The automatic mortising mechanism for a CNC mortising machine according to claim 1, characterized in that: The driving assembly includes a rotating motor (11) mounted on a side of a positioning frame (10), the mounting plate (12) mounted on a driving shaft of the rotating motor (11), a positioning seat (13) for positioning the driving motor (14) mounted on a side of the mounting plate (12), and the rotating motor (11), a control switch corresponding to the rotating motor (11) in a control panel (21), and an external power supply connected in series to form a working circuit of the rotating motor (11).