Any-angle adjustable tenoning machine

Abstract

The utility model discloses a kind of tenon milling machines of arbitrary angle adjustment, it is related to timber processing technical field, including machine body and workbench and several groups of oppositely arranged clamping units, clamping unit includes: V-shaped elastic member, including two groups of rigid sheet, the inner end portion of two groups of machine body rigid sheet is integrally formed as the included angle of symmetrical arrangement, machine body included angle is opened with one through hole along the width direction of machine body rigid sheet;Fixed column, the end portion of fixed column is through machine body through hole and is fixedly connected with machine body workbench, to install machine body V-shaped elastic member on workbench with width direction vertical;Second elastic member, its two ends are fixedly connected with the middle inner side surface of two groups of machine body rigid sheet of machine body;Clamping block, it is connected with the end portion of two groups of machine body rigid sheet away from included angle arrangement;Machine body workbench is equipped with several alignment settings fixed holes, machine body fixed hole is fixedly connected with machine body fixed column cooperation. Existing clamping equipment cannot carry out quick positioning and stable clamping to workpiece different angle.

Description

Technical Field

[0001] This utility model relates to the field of wood processing technology, specifically to a milling machine that can adjust the tenon at any angle. Background Technology

[0002] A tenoning machine is a type of mechanical equipment used for wood processing. Its main function is to process tenons or mortises on wood to enable splicing between pieces of wood. It typically uses a motor to drive a milling cutter to rotate at high speed. Using milling cutters of different shapes, it cuts tenons or mortises of specific specifications at the ends, sides, and other positions of the wood according to processing requirements, so that two or more pieces of wood can be accurately spliced ​​and fixed. It is widely used in furniture manufacturing, wood product processing, building decoration and other fields.

[0003] Existing devices require bolts and clamping plates or blocks to clamp wooden workpieces directly onto the worktable or a specific positioning surface, and then tighten the bolts to achieve fixation. In the current wood processing process, it is often necessary to cut the workpiece from different angles according to the structure of the tenon or mortise. For example, when manufacturing oblique tenons, dovetail tenons, or special structural joints, it is necessary to adjust the horizontal angle of the wood or the cutting angle of the milling cutter to meet the requirements of multi-directional processing. Existing clamping equipment requires disassembling the original fixing structure and readjusting the positions of bolts and pins or replacing special clamping components. All of these operations are cumbersome, time-consuming, and affect processing efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a milling machine that can adjust the tenon at any angle, so as to solve the problem mentioned above that existing clamping devices cannot quickly position and securely clamp workpieces at different angles.

[0005] To solve the above-mentioned technical problems, this utility model provides an adjustable milling machine, including a machine body and a worktable. The worktable is provided with several sets of opposing clamping units, each clamping unit comprising: The V-shaped elastic element includes two sets of rigid plates. The inner ends of the two sets of rigid plates are integrally formed into a symmetrically arranged included angle. A through hole is opened at the included angle along the width direction of the rigid plate. A fixed column, the end of which passes through the through hole and is fixedly connected to the worktable, so as to install the V-shaped elastic element vertically on the worktable in the width direction; The second elastic element has its two ends fixedly connected to the inner sides of the middle of the two sets of rigid plates; A clamping block is connected to the ends of the two sets of rigid plates away from the included angle; The workbench is provided with a plurality of fixed holes arranged in a row. The fixed holes are fixedly connected and engaged with the fixed posts. The second elastic element generates a retraction force when the V-shaped elastic element is opened.

[0006] Furthermore, the second elastic element is configured as an arc-shaped piece with an opening facing the clamping block.

[0007] Furthermore, the clamping block is provided with a T-shaped groove extending along its length direction, and the outer end of the rigid plate is provided with a T-shaped block that slides with the T-shaped groove.

[0008] Furthermore, it also includes several sets of double-headed telescopic rods, the extension direction of which is parallel to the length direction of the clamping block, and the two ends of which are connected to the inner surfaces of the two sets of rigid plates.

[0009] Furthermore, it also includes a vibration damping structure, which includes a damper and a vibration damping spring. One end of the damper is fixedly connected to the middle of the double-headed telescopic rod closest to the clamping block, and the other end of the damper is connected to the middle of the clamping block. The vibration damping spring is disposed on the outer wall of the damper.

[0010] Furthermore, it also includes a limiting post, which is fixedly connected to the fixing hole and is disposed on the outer side of the two sets of rigid plates. The limiting post is configured to abut against the rigid plate to limit the maximum opening angle of the V-shaped member.

[0011] Furthermore, a mounting block is fixedly installed on the machine body, a servo motor is mounted on the mounting block, a worm gear is connected to the drive end of the servo motor, a worm wheel is meshed with the worm gear, the worm gear and the worm wheel are rotatably mounted on the mounting block, a connecting block is connected to the extended end of the side of the worm wheel, a DC motor is fixedly installed on the connecting block, and a milling cutter is connected to the drive end of the DC motor.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. In this utility model, the machine body is used to realize the functions of milling cutter driving, angle adjustment and feed control; the worktable clamping unit is used for quick installation and positioning; multiple clamping units are used to fix the workpiece at different angles to achieve quick and stable clamping; the V-shaped elastic element is used to realize the lateral clamping function of the workpiece, and the preload is generated by elastic deformation when the workpiece is placed, thereby realizing adaptive clamping; the second elastic element is used to realize the auxiliary retraction and central support function of the V-shaped elastic element; the clamping block is used to directly contact the workpiece to realize the clamping and position stabilization function of the workpiece; the double-headed telescopic rod is used to realize the synchronous limiting between the two sides of the V-shaped elastic element and to prevent excessive deformation of the elastic element; the vibration damping structure is used to absorb the high-frequency vibration generated during the milling process to ensure the milling effect.

[0013] When dealing with different types of workpieces and different angles, the quick-installation clamping unit enables rapid placement, clamping, and fixation, adapting to the processing requirements of multi-angle tenons, effectively improving processing efficiency and ensuring the accuracy of finished products.

[0014] 2. In this utility model, the servo motor drives the worm gear and worm wheel to mesh, which can accurately drive the connecting block and connected components to rotate, thereby achieving precise adjustment of the milling cutter angle. The transmission of the worm gear and worm wheel has self-locking properties, which can prevent the milling cutter from deviating in angle due to external forces during processing. The DC motor can flexibly adjust the feed rate and processing depth of the milling cutter. The overall structure, through the cooperation of various components, improves the accuracy of milling cutter adjustment and the stability of the processing process, meeting the needs of different tenon processing. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a side view of the clamping unit structure of this utility model; Figure 3 This is a schematic diagram showing the position of the mounting block in this utility model; Figure 4 for Figure 3 Enlarged view of the structure at point A in the middle.

[0016] In the diagram: 1-body, 2-worktable, 21-fixed hole, 3-V-shaped elastic element, 31-rigid plate, 32-through hole, 33-T-block, 4-fixed column, 5-second elastic element, 6-clamping block, 61-T-slot, 7-double-headed telescopic rod, 8-vibration damping structure, 81-damper, 82-vibration damping spring, 9-limiting column; 101-Mounting block, 102-Servo motor, 103-Worm gear, 104-Worm wheel, 105-End milling cutter. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-4 This utility model provides a technical solution: A milling machine with adjustable angle includes a machine body 1, a worktable 2 and a clamping unit. The clamping unit includes a V-shaped elastic element 3, a fixed column 4, a second elastic element 5, a clamping block 6, a double-headed telescopic rod 7, a vibration damping structure 8 and a limiting column 9. The machine body 1 is used to drive, adjust the angle and control the feed of the milling cutter 105; the worktable 2 is used for quick installation and positioning of the clamping unit; multiple clamping units are used to fix the workpiece at different angles quickly and stably; the V-shaped elastic element is used to achieve lateral clamping of the workpiece, and the elastic deformation generates preload when the workpiece is placed, thereby achieving adaptive clamping; the second elastic element 5 is used to assist the retraction and central support of the V-shaped elastic element 3; the clamping block 6 is used to directly contact the workpiece to achieve clamping and position stabilization of the workpiece; the double-headed telescopic rod 7 is used to achieve synchronous limiting between the two sides of the V-shaped elastic element 3 and to prevent excessive deformation of the elastic element; the vibration damping structure 8 is used to absorb the high-frequency vibration generated during milling and ensure the milling effect.

[0019] Please refer to the attached document. Figure 1 and attached Figure 3 The worktable 2 is a flat platform with a plurality of arranged fixing holes 21. These fixing holes 21 can be, but are not limited to, bolt holes. The workpiece is placed on the worktable 2 between the clamping units, allowing for rapid fixing of the clamping units through the fixing holes 21. The workpiece is clamped by the elastic deformation of the clamping units. It should be noted that milling debris can easily enter the fixing holes 21. This debris can be removed using an external device such as a vacuum cleaner to prevent accumulation and ensure a stable connection between the fixing holes 21 and the clamping units.

[0020] Please refer to the attached document. Figure 2 The V-shaped elastic element 3 includes two sets of rigid plates 31. The rigid plates 31 can be, but are not limited to, metal spring plates. The inner ends of the two sets of rigid plates 31 are integrally formed into symmetrically arranged included angles, that is, the middle of a set of long strip-shaped metal spring plates is bent to form a V shape. The included angle of the V-shaped elastic element 3 is set to an acute angle of 30 to 50 degrees. A through hole 32 is opened at the included angle of the V-shaped elastic element 3 along the width direction of the rigid plate 31. The end of the fixing post 4 passes through the through hole 32 and is fixedly connected to the worktable 2 to install the V-shaped elastic element 3 vertically on the worktable 2 in the width direction. The fixing post 4 can be, but is not limited to, a bolt post. The fixing post 4 provides a stable installation base for the V-shaped elastic element 3, so that the V-shaped elastic element 3 maintains a stable position when performing operations such as clamping the workpiece, and will not easily move, thereby ensuring the reliability of the clamping action of the V-shaped elastic element 3 clamping block 6 and other components.

[0021] Please continue to refer to the appendix. Figure 2The clamping block 6 is located at the end of the rigid plate 31 away from the included angle. Specifically, the clamping block 6 is a long strip with a cross-section of a right-angled trapezoid. The end of the clamping block 6 near the V-shaped elastic element 3 is a straight surface, and the upper part of the side of the clamping block 6 away from the V-shaped elastic element 3, i.e., the side that abuts against the workpiece, has an inclined surface. The inclined surface of the clamping block 6 is provided with multiple guide rollers. Its inclined surface can adapt to workpieces of different thicknesses, making it convenient for the workpiece to be placed in the clamping position. The multiple guide rollers can reduce the friction between the workpiece and the clamping block 6 when the workpiece is placed or adjusted, allowing the workpiece to enter the clamping area more smoothly and avoiding scratches on the workpiece surface.

[0022] Please continue to refer to the appendix. Figure 2 The clamping block 6 has a T-groove 61 extending along its length at one end near the V-shaped elastic member 3, and the outer end of the rigid plate 31 has a T-block 33 that slides with the T-groove 61. This allows the first elastic member to move the clamping block 6 more smoothly and avoid jamming, and also guides the movement direction of the clamping block 6 to ensure that the clamping block 6 always applies force in a direction perpendicular to the side of the workpiece.

[0023] Please continue to refer to the appendix. Figure 2 The second elastic element 5 is fixedly connected at both ends to the inner sides of the middle portion of the two sets of rigid plates 31, so as to generate a retraction force when the V-shaped elastic element 3 opens. Specifically, the second elastic element 5 can be, but is not limited to, an arc-shaped plate with its opening facing the clamping block 6, and the second elastic plate can be, but is not limited to, a metal spring plate. By utilizing the deformation characteristics of the arc-shaped structure, pressure is applied from the arc direction towards the center of the workpiece, which, in conjunction with the lateral clamping force of the clamping block 6, forms a clamping fixation, ensuring the stability of the workpiece. The above method of fixing the workpiece is simple to operate, time-saving, and can improve the efficiency of clamping the workpiece, thereby improving the processing efficiency.

[0024] Please refer to Appendix 2. The double-headed telescopic rod 7 can be a sleeve type, not limited to a sliding structure. It consists of a hollow intermediate sleeve and two telescopic inner rods nested at both ends of the intermediate sleeve. The telescopic inner rods slide with the inner wall of the intermediate sleeve through a smooth surface. The extension direction of the double-headed telescopic rod 7 is parallel to the length direction of the clamping block 6. The two ends of the double-headed telescopic rod 7 are connected to the inner surfaces of the two sets of rigid plates 31. When the rigid plates 31 on both sides of the V-shaped elastic element 3 are pushed away by the workpiece, the two ends of the second elastic element 5 will separate outward. At this time, the double-headed telescopic rod 7 is subjected to an outward pulling force, and the telescopic inner rods at both ends slide outward synchronously from the middle sleeve, adaptively elongating with the deformation of the V-shaped elastic element 3. This process does not require manual operation or additional power drive, and only plays an auxiliary support and directional guiding role. It is used to ensure the stability of the arc deformation direction of the second elastic element 5 through the double-headed telescopic rod 7, and to avoid lateral displacement when it is stretched or contracted. At the same time, it limits the deformation range of the second elastic element 5 to prevent excessive deformation from causing elastic failure, so that the second elastic element 5 can stably cooperate with the V-shaped elastic element 3 to apply a suitable clamping force to the workpiece and ensure clamping stability.

[0025] Please continue to refer to the appendix. Figure 2 The vibration damping structure 8 includes a damper 81 and a damping spring 82. One end of the damper 81 is fixedly connected to the middle of the double-headed telescopic rod 7 closest to the clamping block 6, and the other end of the damper 81 is connected to the middle of the clamping block 6. The damping spring 82 is disposed on the outer wall of the damper 81. When the workpiece is subjected to milling external force or vibration generated during processing, the damping effect of the damper 81 and the elastic deformation of the damping spring 82 are used to quickly absorb these impact forces and vibration energy, reduce the sway amplitude of the clamping block 6, prevent vibration from being transmitted to the workpiece and causing processing deviations, and ensure the processing quality and structural integrity of the workpiece.

[0026] Please continue to refer to the appendix. Figure 2 The limiting post 9 is fixedly connected to the fixing hole 21, and the limiting post 9 is disposed on the outer side of the two sets of rigid plates 31. The limiting post 9 is configured to abut against the rigid plate 31 to limit the maximum opening angle of the V-shaped part, prevent the V-shaped elastic part 3 from being over-opened due to the workpiece size being too large or external force impact, and avoid the rigid plate 31 from being permanently deformed or broken due to exceeding the elastic deformation limit.

[0027] Please refer to the attached document. Figure 3 and attached Figure 4A mounting block 101 is fixedly mounted on the machine body 1. A servo motor 102 is mounted on the mounting block 101. The drive end of the servo motor 102 is connected to a worm gear 103. The worm gear 103 is meshed with a worm wheel 104. The worm gear 103 and worm wheel 104 are rotatably mounted on the mounting block 101. An extension end on the side of the worm wheel 104 is connected to a connecting block. A DC motor is fixedly mounted on the connecting block. The drive end of the DC motor is connected to a milling cutter 105. This allows for precise rotational power provided by the servo motor 102, enabling precise adjustment of the milling cutter 105's machining angle. The transmission between the worm gear 103 and worm wheel 104 has a self-locking property, preventing the milling cutter 105 from shifting its angle due to external forces during machining, thus ensuring stable machining angle accuracy.

[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A milling machine with adjustable angle, comprising a machine body (1) and a worktable (2), characterized in that: The workbench (2) is provided with several sets of clamping units arranged opposite to each other, the clamping units including: V-shaped elastic element (3) includes two sets of rigid plates (31). The inner ends of the two sets of rigid plates (31) are integrally formed into a symmetrically arranged included angle. A through hole (32) is opened at the included angle along the width direction of the rigid plate (31). A fixed column (4) is provided, the end of which passes through the through hole (32) and is fixedly connected to the workbench (2) so that the V-shaped elastic element (3) is installed vertically on the workbench (2) in the width direction. The second elastic element (5) is fixedly connected at both ends to the inner sides of the middle of the two sets of rigid plates (31); The clamping block (6) is connected to the ends of the two sets of rigid plates (31) away from the included angle; The workbench (2) is provided with a number of fixed holes (21) arranged in a row. The fixed holes (21) are fixedly connected to the fixed column (4). The second elastic element (5) generates a retraction force when the V-shaped elastic element (3) is opened.

2. The milling machine for adjusting tenons at any angle according to claim 1, characterized in that, The second elastic element (5) is configured as an arc-shaped piece with an opening facing the clamping block (6).

3. The milling machine for adjusting tenons at any angle according to claim 2, characterized in that, The clamping block (6) is provided with a T-shaped groove (61) extending along its length direction, and the outer end of the rigid plate (31) is provided with a T-shaped block (33) that slides with the T-shaped groove (61).

4. The milling machine for adjusting tenons at any angle according to claim 3, characterized in that, It also includes several sets of double-headed telescopic rods (7), the extension direction of the double-headed telescopic rods (7) is parallel to the length direction of the clamping block (6), and the two ends of the double-headed telescopic rods (7) are connected to the inner sides of the two sets of rigid plates (31).

5. The milling machine with adjustable tenon joints at any angle according to claim 4, characterized in that, It also includes a vibration damping structure (8), which includes a damper (81) and a vibration damping spring (82). One end of the damper (81) is fixedly connected to the middle of the double-headed telescopic rod (7) closest to the clamp (6), and the other end of the damper (81) is connected to the middle of the clamp (6). The vibration damping spring (82) is disposed on the outer wall of the damper (81).

6. The milling machine for adjusting tenons at any angle according to claim 4, characterized in that, It also includes a limiting post (9), which is fixedly connected to the fixing hole (21) and the limiting post (9) is disposed on the outer side of the two sets of rigid plates (31). The limiting post (9) is configured to abut against the rigid plate (31) to limit the maximum opening angle of the V-shaped part.

7. The milling machine for adjusting tenons at any angle according to claim 1, characterized in that: A mounting block (101) is fixedly installed on the body (1). A servo motor (102) is installed on the mounting block (101). A worm gear (103) is connected to the drive end of the servo motor (102). A worm wheel (104) is meshed with the worm gear (103). The worm gear (103) and the worm wheel (104) are rotatably mounted on the mounting block (101). A connecting block is connected to the extension end on the side of the worm wheel (104). A DC motor is fixedly installed on the connecting block. A milling cutter (105) is connected to the drive end of the DC motor.

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