A device for punching holes in a wooden board
By designing a wooden board inclined drilling device including servo motors, harmonic reducers and air-cooled spindle motors in the woodworking industry, the problems of low efficiency and inaccurate positioning are solved, and precise indexing and high quality are achieved The oblique hole processing simplifies the structure and reduces costs.
Patent Information
- Application Number
- CN202010141043.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-03-03
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2040-03-03
AI Technical Summary
In the existing woodworking industry, there are problems such as low efficiency of drilling inclined holes, inaccurate positioning, poor repeat positioning accuracy, poor processing quality, complex structure and high cost.
Design a wooden board inclined hole punching device, including a first motor, a harmonic reducer, a connecting base, a rotary shaft, an angle plate and a second motor, and realizes precision indexing through a servo motor and a harmonic reducer, using an absolute value encoder Simplify the return to zero operation, the second motor reduces noise by an air-cooled spindle motor, and realizes specific angle drilling operation through the angle plate.
It improves the accuracy and stability of oblique hole punching, reduces the unstable factors of manual operation, achieves accurate indexing, ensures the quality of oblique hole processing, simplifies the structure and reduces costs.
Smart Images
Figure CN111251379B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of furniture industry parts processing, and in particular to a device for obliquely punching holes in a wooden board. Background Art
[0002] In the furniture industry, inclined holes are often drilled on the plane of wood panels. Drilling inclined holes means drilling holes at a certain angle to the horizontal plane. There are currently two main ways to drill inclined holes in the industry. The first way is to drill inclined holes with manual handheld equipment; the second way is to use a specially designed inclined hole processing device installed on a cutting machine to drill inclined holes. Among them, the method of drilling inclined holes with manual handheld equipment has problems such as low efficiency, inaccurate positioning dimensions or drilling angles; and some existing inclined hole processing devices have problems such as inaccurate indexing and poor repeated positioning accuracy during use. At the same time, the surface of the wood panel is prone to bursting during processing, which has a great impact on the processing quality. At the same time, the structure is relatively complex, the production cost is high, and assembly and processing are difficult. Summary of the invention
[0003] The technical problem to be solved by the present invention is to provide a device for oblique punching of wooden boards, which can effectively improve the accuracy and stability of oblique punching, reduce various unstable factors during manual operation, achieve precise division, solve the problem of poor repeated positioning accuracy, and ensure the quality of oblique hole processing.
[0004] In order to solve the above technical problems, the technical solution of the present invention is:
[0005] A device for obliquely punching holes in a wooden board comprises a first motor, a harmonic reducer, a connecting base, a rotating shaft, an angle plate and a second motor, wherein the harmonic reducer is fixedly mounted on the connecting base, the output end of the first motor is connected to the input end of the harmonic reducer, the rotating shaft is vertically arranged, the upper end of which is connected to the output end of the harmonic reducer, the lower end of which passes through the connecting base and extends downward and is connected to the angle plate, the body of the second motor is mounted on the angle plate, an angle α is formed between a plane of the angle plate connected to the rotating shaft and a plane connected to the body of the second motor, a drill bit is clamped on the output end of the second motor, the drill bit and the output end of the second motor are located on the same axis, an angle β is formed between the drill bit and the horizontal plane, and the angle α and the angle β are equal in size.
[0006] Preferably, the first motor is a servo motor, and an absolute value encoder is provided on the first motor, wherein the servo motor has the characteristic of precision division, so that precision division can be achieved through the servo motor and the harmonic reducer to ensure the processing quality of the inclined hole, and the absolute value encoder can realize the zeroing action of the first motor, thereby simplifying the entire device and improving the reliability of the device.
[0007] Preferably, the second motor is an air-cooled spindle motor, which can significantly reduce the noise of the device during operation and ensure the quality of the inclined hole processing.
[0008] Preferably, the first motor is connected to the harmonic reducer through a transition flange, and a shaft sleeve is provided on the transition flange. The output end of the first motor is connected to the input end of the harmonic reducer through the shaft sleeve. This facilitates the installation of the first motor on the harmonic reducer, and at the same time can guide and fix the output end of the first motor and ensure the stability of the device.
[0009] Preferably, the body of the second motor is clamped on the motor clamping seat, and the second motor is fixed on the angle plate through the motor clamping seat, so that it is convenient to install the second motor on the angle plate, so that the second motor can be installed at a certain angle through the angle plate, which is convenient for realizing the operation of drilling inclined holes at specific angles.
[0010] Preferably, a hollow slip ring is provided on the lower part of the rotating shaft, and the rotor of the hollow slip ring is electrically connected to the second motor through a wire, which facilitates supplying power to the rotating second motor and enables the second motor to work normally.
[0011] Preferably, the angle α is in the range of 15°-75°, so that the second motor can easily perform the operation of drilling an inclined hole at a specific angle.
[0012] Preferably, the cross-section of the angle plate is in the shape of a right-angled triangle, the body of the second motor is installed on the inclined plane of the angle plate, and the rotating shaft is connected to the horizontal plane of the angle plate. In this way, the second motor can be installed at a certain angle, which facilitates the operation of drilling inclined holes at a specific angle, and this can be achieved through the angle plate. Such a design gives the device the advantages of simple structure, low cost and accurate angle.
[0013] Preferably, a first protective cover is provided above the connecting base, and the first motor and the harmonic reducer are arranged in the first protective cover, so as to facilitate protection and avoid harm to the operator, and also avoid affecting the normal operation of the processing device.
[0014] Preferably, a second protective cover is provided on the bottom of the connecting base, and the lower part of the rotating shaft and the hollow slip ring are arranged in the second protective cover, so as to facilitate protection and avoid harm to the operator, and also avoid affecting the normal operation of the processing device.
[0015] Compared with the prior art, the beneficial effects of the device for obliquely punching a wooden board of the present invention are as follows: by providing a first motor, a harmonic reducer, a connecting base, a rotating shaft, an angle plate and a second motor, the output end of the first motor is connected to the input end of the harmonic reducer, and the upper end of the rotating shaft is connected to the output end of the harmonic reducer, the lower end of the rotating shaft is connected to the angle plate, and the second motor is installed on the angle plate, so that the processing device can realize the operation of drilling oblique holes at a specific angle through the angle plate, and precise indexing is achieved through the transmission of the first motor and the harmonic reducer, so as to effectively improve the accuracy and stability of the oblique punching, thereby reducing various unstable factors during manual operation, achieving precise indexing, solving the problem of poor repeated positioning accuracy, and ensuring the quality of oblique hole processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The present invention is a schematic structural diagram of a device for obliquely punching holes in a wooden board.
[0017] In the figure, 1-the first motor, 2-harmonic reducer, 3-connecting base, 4-rotating shaft, 5-angle plate, 6-the second motor, 7-drill bit, 8-transition flange, 9-sleeve, 10-motor clamping seat, 11-hollow slip ring, 12-the first protective cover, 13-the second protective cover. DETAILED DESCRIPTION
[0018] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0019] like Figure 1As shown, a wooden board tilting punching device provided by the present invention comprises a first motor 1, a harmonic reducer 2, a connecting base 3, a rotating shaft 4, an angle plate 5 and a second motor 6, wherein the harmonic reducer 2 is fixedly mounted on the connecting base 3, the output end of the first motor 1 is connected to the input end of the harmonic reducer 2, the rotating shaft 4 is vertically arranged, the upper end of which is connected to the output end of the harmonic reducer 2, the lower end of which extends downward through the connecting base 3 and is connected to the angle plate 5, the body of the second motor 6 is mounted on the angle plate 5, and the angle plate 5 is connected to the rotating shaft 4. An angle α is formed between the plane of the shaft 4 and the plane connected to the body of the second motor 6. A drill bit 7 is clamped on the output end of the second motor 6. The drill bit 7 and the output end of the second motor 6 are located on the same axis. An angle β is formed between the drill bit 7 and the horizontal plane. The angle α and the angle β are equal in size. Therefore, the second motor 6 is inclined at a certain angle to the horizontal plane, so that the drill bit 7 is inclined at a corresponding angle to the horizontal plane, that is, the angle plate 5 can be used to realize the operation of drilling an inclined hole at a specific angle of the processing device. Such a design makes the device have the advantages of simple structure, low cost, accurate angle, etc.
[0020] like Figure 1 As shown, in a device for punching wooden boards with tilting according to the present invention, the first motor 1 is a servo motor, and an absolute encoder is provided on the first motor 1. The second motor 6 is an air-cooled spindle motor. The first motor 1 is connected to the harmonic reducer 2 through a transition flange 8, and a shaft sleeve 9 is provided on the transition flange 8. The output end of the first motor 1 passes through the shaft sleeve 9 and is connected to the input end of the harmonic reducer 2. The body of the second motor 6 is clamped on the motor clamping seat 10, and the second motor 6 is fixed on the angle plate 5 through the motor clamping seat 10. A hollow slip ring 11 is provided on the lower part of the rotating shaft 4, and the rotor of the hollow slip ring 11 is electrically connected to the second motor 6 through a wire. The range of the angle α is 15°-75°, and it is set to 30° here. The cross section of the angle plate 5 is in the shape of a right triangle, the body of the second motor 6 is installed on the inclined surface of the angle plate, and the rotating shaft 4 is connected to the horizontal surface of the angle plate 5. A first protective cover 12 is provided above the connecting base 3, and the first motor 1 and the harmonic reducer 2 are arranged in the first protective cover 12. A second protective cover 13 is disposed on the bottom of the connecting base 3 , and the lower portion of the rotary shaft 4 and the hollow slip ring 11 are disposed in the second protective cover 13 .
[0021] When the device for punching inclined holes in a wooden board of the present invention is in use, the entire punching device is designed based on a numerically controlled gantry cutting machine and can be used as an accessory head of the gantry cutting machine and other similar woodworking machine tools. The punching device is installed on the numerically controlled gantry cutting machine through a connecting base, and the operation of drilling inclined holes on the woodworking board can be realized through the drill bit on the second motor. The second motor is installed on an angle plate, and an angle α is formed between a plane connected to the rotating shaft of the angle plate and a plane connected to the body of the second motor, and an angle β is formed between the drill bit on the second motor and a horizontal plane. The sizes of the angle α and the angle β are equal, so This drill bit can rotate obliquely, that is, it can enable the processing device to drill oblique holes at a specific angle, and the second motor can adjust the inclination direction through the transmission of the first motor and the harmonic reducer. The angle plate is rotated through the transmission of the second motor and the harmonic reducer, so that the inclination direction of the second motor can be adjusted, that is, the position of the drill bit is adjusted, and precise indexing can be achieved. Therefore, it can effectively improve the accuracy and stability of oblique drilling, reduce various unstable factors during manual operation, achieve precise indexing, solve the problem of poor repeated positioning accuracy, and ensure the quality of oblique hole processing.
[0022] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.
Claims
1. A device for obliquely punching holes in a wooden board, characterized in that: The invention comprises a first motor (1), a harmonic reducer (2), a connecting base (3), a rotating shaft (4), an angle plate (5) and a second motor (6), wherein the harmonic reducer (2) is fixedly mounted on the connecting base (3), the output end of the first motor (1) is connected to the input end of the harmonic reducer (2), the rotating shaft (4) is vertically arranged, the upper end of which is connected to the output end of the harmonic reducer (2), the lower end of which passes through the connecting base (3) and extends downward and is connected to the angle plate (5), and the second motor (6) is connected to the connecting base (3). The body of the second motor (6) is installed on an angle plate (5), an angle α is formed between a plane of the angle plate (5) connected to the rotary shaft (4) and a plane connected to the body of the second motor (6), a drill bit (7) is clamped on the output end of the second motor (6), the drill bit (7) and the output end of the second motor (6) are located on the same axis, an angle β is formed between the drill bit (7) and a horizontal plane, and the angle α and the angle β are equal in size, the first motor (1) is connected to the harmonic reducer (2) through a transition flange (8), A shaft sleeve (9) is arranged on the transition flange (8); the output end of the first motor (1) passes through the shaft sleeve (9) and is connected to the input end of the harmonic reducer (2); the body of the second motor (6) is clamped on the motor clamping seat (10); the second motor (6) is fixed to the angle plate (5) through the motor clamping seat (10); a hollow slip ring (11) is arranged on the lower part of the rotary shaft (4); the rotor of the hollow slip ring (11) is electrically connected to the second motor (6) through a wire; the angle plate (5) The cross section of the second motor (6) is in the shape of a right triangle, the body of the second motor (6) is mounted on the inclined plane of the angle plate, the rotary shaft (4) is connected to the horizontal plane of the angle plate (5), a first protective cover (12) is arranged above the connecting base (3), the first motor (1) and the harmonic reducer (2) are arranged in the first protective cover (12), a second protective cover (13) is arranged on the bottom of the connecting base (3), and the lower part of the rotary shaft (4) and the hollow slip ring (11) are arranged in the second protective cover (13).
2. The device for obliquely punching holes in a wooden board according to claim 1, characterized in that: The first motor (1) is a servo motor, and an absolute value encoder is provided on the first motor (1).
3. The device for obliquely punching holes in a wooden board according to claim 1, characterized in that: The second motor (6) is an air-cooled spindle motor.
4. The device for obliquely punching a wooden board according to claim 1, characterized in that: The angle α ranges from 15° to 75°.