阅读说明：本技术 木材切割装置 (Wood cutting device ) 是由 李沛 张敏凯 林喜检 叶航 金超帆 于 2021-09-26 设计创作，主要内容包括：本发明公开了一种木材切割装置,包括底座(1),底座(1)的一端设有对称设置的第一连接件(2),第一连接件(2)上设有转动连接的活动框(3)；所述底座(1)的中部设有第一连接杆(4),第一连接杆(4)的中部设有滚轮(5),所述活动框(3)的中部设有第二连接杆(6),第二连接杆(6)和活动框(3)内端部上共同设有安装架(7),安装架(7)上设有转动连接的凸轮(8),凸轮(8)的滚动面与滚轮(5)的滚动面相贴合,安装架(7)一侧的活动框(3)上设有转动电机(9),转动电机(9)的输出端与凸轮(8)相连；本发明可以对木材进行准确切割,且具有切割效率高的特点。(The invention discloses a wood cutting device, which comprises a base (1), wherein one end of the base (1) is provided with first connecting pieces (2) which are symmetrically arranged, and the first connecting pieces (2) are provided with movable frames (3) which are rotatably connected; a first connecting rod (4) is arranged in the middle of the base (1), rollers (5) are arranged in the middle of the first connecting rod (4), a second connecting rod (6) is arranged in the middle of the movable frame (3), mounting frames (7) are jointly arranged on the inner end portions of the second connecting rod (6) and the movable frame (3), cams (8) which are connected in a rotating mode are arranged on the mounting frames (7), the rolling surfaces of the cams (8) are attached to the rolling surfaces of the rollers (5), a rotating motor (9) is arranged on the movable frame (3) on one side of the mounting frames (7), and the output end of the rotating motor (9) is connected with the cams (8); the wood cutting machine can accurately cut wood and has the characteristic of high cutting efficiency.)

1. Wood cutting device, its characterized in that: the device comprises a base (1), wherein one end of the base (1) is provided with first connecting pieces (2) which are symmetrically arranged, and the first connecting pieces (2) are provided with movable frames (3) which are rotatably connected; a first connecting rod (4) is arranged in the middle of the base (1), rollers (5) are arranged in the middle of the first connecting rod (4), a second connecting rod (6) is arranged in the middle of the movable frame (3), mounting frames (7) are jointly arranged on the inner end portions of the second connecting rod (6) and the movable frame (3), cams (8) which are connected in a rotating mode are arranged on the mounting frames (7), the rolling surfaces of the cams (8) are attached to the rolling surfaces of the rollers (5), a rotating motor (9) is arranged on the movable frame (3) on one side of the mounting frames (7), and the output end of the rotating motor (9) is connected with the cams (8); a descending part (10) and an ascending part (11) are respectively arranged at two sides of the cam (8), the radius of the ascending part (11) is larger than that of the descending part (10), and a transition inclined surface (12) is arranged between the descending part (10) and the ascending part (11); the outer end part of the movable frame (3) and the second connecting rod (6) are provided with guide rails (13) which are symmetrically arranged, the guide rails (13) are provided with movable plates (14) which are connected in a sliding manner, the upper side and the lower side of the middle part of each movable plate (14) are provided with limiting plates (15) facing to the side where the cam (8) is located, and the limiting plates (15) are provided with limiting rods (16) which are perpendicular to the plane where the limiting plates are located; a second connecting piece (17) is arranged on the surface of one side, facing the cam (7), of the moving plate (14), a movable block (18) in rotating connection is arranged on the second connecting piece (17), and a gap is reserved between the upper part and the lower part of the movable block (18) and a limiting rod (16) on the corresponding side; a cutting mechanism (19) is arranged at the lower end part of the movable block (18), a first transmission rod (20) in rotary connection is arranged on the movable block (18) between the cutting mechanism (19) and the limiting rod (16) positioned below, a second transmission rod (21) in fixed connection is arranged in the middle of the cam (8), the second transmission rod (21) faces the side where the downward descending part (10) is located, and the end part of the second transmission rod (21) is in rotary connection with the end part of the first transmission rod (20); and a fixing groove (22) is arranged on the base (1) below the cutting mechanism (19).

2. The wood cutting device according to claim 1, wherein: cutting mechanism (19) are including installing piece (23) that link to each other with movable block (18), and the bottom surface of installing piece (23) is equipped with sliding tray (24), is equipped with sliding connection's fixed block (25) in sliding tray (24), is equipped with cutting blade (26) of a plurality of evenly distributed and built-in motor on the bottom surface of fixed block (25), is equipped with pressure spring (27) between the upper surface of fixed block (25) and corresponding sliding tray (24) face.

3. The wood cutting device according to claim 1, wherein: the sum of the lengths of the first transmission rod (20) and the second transmission rod (21) is smaller than the distance between the center of the cam (8) and the outer end of the guide rail (13).

4. The wood cutting device according to claim 1, wherein: the outer end part of the fixed groove (22) is opened and corresponds to the outer end part of the movable frame (3), and the inner end part of the fixed groove (22) corresponds to the position of the second connecting rod (6).

5. The wood cutting device according to claim 1, wherein: the groove surface of the fixing groove (22) is made of rubber.

6. The wood cutting device according to claim 1, wherein: and arc transition is arranged between the transition inclined plane (12) and the ascending part (11) and the descending part (10).

7. The wood cutting device according to claim 1, wherein: the inner edge of the fixing groove (22) is provided with a plurality of mounting grooves (28), an inner clamping block (29) which is rotatably connected is arranged in the mounting groove (28), an upper clamping part (30) and a side clamping part (31) are respectively arranged on two sides of the inner clamping block (29), an included angle between the upper clamping part (29) and the side clamping part (31) is a right angle, a reset spring (32) is arranged between the side surface of the side clamping part (31) and the inner groove surface of the mounting groove (28), and a gap is reserved between the end part of the side clamping part (31) and the bottom surface of the mounting groove (28); the lower surface of the outer end part of the movable frame (3) is provided with an outer clamping block (33), and the outer clamping block (33) is provided with a clamping inclined surface (34) facing the inner clamping block (29).

8. The wood cutting device according to claim 7, wherein: the lower surface of the end part of the upper clamping part (30) and the side surface of the end part of the side clamping part (31) are provided with a convex block (35) facing the fixing groove (22).

Technical Field

The invention relates to the field of wood processing, in particular to a wood cutting device.

Background

The wooden board is visible everywhere in life, is mainly used for decoration, and has the characteristics of natural grains, firmness and durability; in the process of processing a wooden board, the board which is subjected to primary processing needs to be cut firstly, the existing processing method is manually measured and fixed and then the board is cut by using a cutting device, and the method is low in cutting accuracy because manual control can cause shaking during cutting, and the board needs to be repositioned and correctly placed every time of cutting, so that the processing efficiency is greatly influenced, and the practicability is poor.

Disclosure of Invention

The invention aims to provide a wood cutting device. The wood cutting machine can accurately cut wood and has the characteristic of high cutting efficiency.

The technical scheme of the invention is as follows: the wood cutting device comprises a base, wherein one end of the base is provided with first connecting pieces which are symmetrically arranged, and the first connecting pieces are provided with movable frames which are rotatably connected; a first connecting rod is arranged in the middle of the base, a roller is arranged in the middle of the first connecting rod, a second connecting rod is arranged in the middle of the movable frame, mounting frames are jointly arranged on the second connecting rod and the inner end parts of the movable frame, a rotatably connected cam is arranged on the mounting frames, the rolling surface of the cam is attached to the rolling surface of the roller, a rotating motor is arranged on the movable frame on one side of the mounting frames, and the output end of the rotating motor is connected with the cam; the two sides of the cam are respectively provided with a descending part and an ascending part, the radius of the ascending part is larger than that of the descending part, and a transition inclined plane is arranged between the descending part and the ascending part; the outer end part of the movable frame and the second connecting rod are provided with symmetrically arranged guide rails together, the guide rails are provided with a movable plate in sliding connection together, the upper side and the lower side of the middle part of the movable plate are provided with limiting plates facing the side where the cam is located, and the limiting plates are provided with limiting rods perpendicular to the plane where the limiting plates are located; a second connecting piece is arranged on the surface of one side of the moving plate, which faces the cam, a movable block in rotating connection is arranged on the second connecting piece, and a gap is reserved between the upper part and the lower part of the movable block and the limiting rod on the corresponding side; the lower end part of the movable block is provided with a cutting mechanism, a first transmission rod which is rotatably connected with the movable block between the cutting mechanism and the limiting rod positioned below the cutting mechanism is arranged on the movable block, the middle part of the cam is provided with a second transmission rod which is fixedly connected with the cam, the second transmission rod faces the side where the downward descending part is located, and the end part of the second transmission rod is rotatably connected with the end part of the first transmission rod; and a fixing groove is formed on the base below the cutting mechanism.

Among the foretell wood cutting device, cutting mechanism includes the installation piece that links to each other with the movable block, and the bottom surface of installation piece is equipped with the sliding tray, is equipped with sliding connection's fixed block in the sliding tray, is equipped with a plurality of evenly distributed and built-in motor's cutting blade on the bottom surface of fixed block, is equipped with pressure spring between the upper surface of fixed block and the sliding tray face that corresponds.

In the wood cutting device, the sum of the lengths of the first transmission rod and the second transmission rod is smaller than the distance between the center of the cam and the outer end of the guide rail.

In the wood cutting device, the outer end of the fixed slot is open and corresponds to the outer end of the movable frame, and the inner end of the fixed slot corresponds to the second connecting rod.

In the wood cutting device, the groove surface of the fixing groove is made of rubber.

In the wood cutting device, an arc transition is arranged between the transition inclined plane and the ascending part and between the transition inclined plane and the descending part.

In the wood cutting device, a plurality of mounting grooves are formed in the inner edge of each fixing groove, an inner clamping block which is rotatably connected is arranged in each mounting groove, an upper clamping portion and a side clamping portion are respectively arranged on two sides of each inner clamping block, an included angle between each upper clamping portion and each side clamping portion is a right angle, a return spring is arranged between the side surface of each side clamping portion and the inner groove surface of each mounting groove, and a gap is reserved between the end portion of each side clamping portion and the bottom surface of each mounting groove; the lower surface of the outer end part of the movable frame is provided with an outer clamping block, and the outer clamping block is provided with a clamping inclined surface facing the inner clamping block

In the wood cutting device, the lower surface of the end of the upper clamping part and the side surface of the end of the side clamping part are both provided with a projection facing the fixing groove.

Compared with the prior art, the invention has the following beneficial effects:

1. one end of the base is provided with first connecting pieces which are symmetrically arranged, and the first connecting pieces are provided with movable frames which are rotatably connected; a first connecting rod is arranged in the middle of the base, a roller is arranged in the middle of the first connecting rod, a second connecting rod is arranged in the middle of the movable frame, mounting frames are jointly arranged on the second connecting rod and the inner end parts of the movable frame, a rotatably connected cam is arranged on the mounting frames, the rolling surface of the cam is attached to the rolling surface of the roller, a rotating motor is arranged on the movable frame on one side of the mounting frames, and the output end of the rotating motor is connected with the cam; the two sides of the cam are respectively provided with a descending part and an ascending part, the radius of the ascending part is larger than that of the descending part, and a transition inclined plane is arranged between the descending part and the ascending part; the outer end part of the movable frame and the second connecting rod are provided with symmetrically arranged guide rails together, the guide rails are provided with a movable plate in sliding connection together, the upper side and the lower side of the middle part of the movable plate are provided with limiting plates facing the side where the cam is located, and the limiting plates are provided with limiting rods perpendicular to the plane where the limiting plates are located; a second connecting piece is arranged on the surface of one side of the moving plate, which faces the cam, a movable block in rotating connection is arranged on the second connecting piece, and a gap is reserved between the upper part and the lower part of the movable block and the limiting rod on the corresponding side; the lower end part of the movable block is provided with a cutting mechanism, a first transmission rod which is rotatably connected with the movable block between the cutting mechanism and the limiting rod positioned below the cutting mechanism is arranged on the movable block, the middle part of the cam is provided with a second transmission rod which is fixedly connected with the cam, and the end part of the second transmission rod is rotatably connected with the end part of the first transmission rod; a fixing groove is formed in the base below the cutting mechanism; putting wood to be processed into the fixed groove, starting a rotating motor, driving a cam to rotate by the rotating motor, when an ascending part is contacted with a roller wheel, rotating a movable frame by a supporting force to lift an outer end part, continuously rotating the cam, driving a movable block to move outwards by a transmission rod group consisting of a first transmission rod and a second transmission rod, further driving a movable plate to move outwards to the outer end part by a limit rod, enabling the movable frame to descend along with the movement of the roller wheel to a descending part of the cam, limiting the wood up and down and enabling a cutting mechanism to be contacted with the wood, driving the movable plate to move inwards by the transmission rod group consisting of the first transmission rod and the second transmission rod at the moment so as to drive the cutting mechanism to cut the wood, supporting and lifting the movable frame again after the wood is cut, and simultaneously moving outwards again to cut the next time, and repeating the steps; the timber of in-process receives fixed slot and movable frame jointly spacing, and fixed effect is good, and cutting mechanism moves along with the guide rail, and the cutting path is stable accurate, and operating personnel only need lift up in time put into when the movable frame take out timber can, link up smoothly, effectively promote machining efficiency.

2. When the movable block is pushed or pulled, the movable block can incline towards the limiting rods on different sides respectively, so that the cutting mechanisms can incline together, the cutting mechanism can incline outwards in time without continuously cutting and can exit along the slit of the cut wood when being pushed, the use reliability is good, and the cutting mechanism can incline inwards when being pulled so as to face towards the wood, so that the cutting effect is improved.

3. The cutting mechanism comprises a mounting block connected with a movable block, wherein a sliding groove is formed in the bottom surface of the mounting block, a fixed block which is connected in a sliding mode is arranged in the sliding groove, a plurality of cutting blades which are uniformly distributed and internally provided with a motor are arranged on the bottom surface of the fixed block, and a compression spring is arranged between the upper surface of the fixed block and the corresponding sliding groove surface; when cutting blade and timber contact, pressure spring pressurized, produced elasticity can make it keep laminating with timber all the time to alleviate the skew that produces because of the vibration during cutting, further promote cutting effect and use reliability.

4. The groove surface of the fixing groove is made of rubber, so that wood is prevented from moving when being placed on the fixing groove, and the cutting accuracy is improved.

5. The inner edge of the fixing groove is provided with a plurality of mounting grooves, an inner clamping block which is rotatably connected is arranged in each mounting groove, an upper clamping part and a side clamping part are respectively arranged on two sides of each inner clamping block, an included angle between each upper clamping part and each side clamping part is a right angle, a return spring is arranged between the side surface of each side clamping part and the inner groove surface of each mounting groove, and a gap is reserved between the end part of each side clamping part and the bottom surface of each mounting groove; the lower surface of the outer end part of the movable frame is provided with an outer clamping block, and the outer clamping block is provided with a clamping inclined surface facing the inner clamping block; when the movable frame descends to form extrusion to timber, the centre gripping inclined plane of outer grip block can promote timber inwardly movable, and inwardly movable timber promotes the side clamping part and moves inwards to make the last clamping part move down and form the centre gripping, thereby improve the fixed strength on vertical direction and the horizontal direction, it is fixed to need not operating personnel to apply external force, has promoted the convenience of using, and after the movable frame moved away, reset spring resumes deformation, drives interior grip block automatic re-setting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a portion of the present invention;

FIG. 3 is a schematic view of the cutting mechanism of the present invention;

FIG. 4 is a schematic view of the construction of the inner clamping block of the present invention;

fig. 5 is a schematic structural view of the outer clamping block of the present invention.

The labels in the figures are: 1-a base; 2-a first connecting member; 3, moving the frame; 4-a first connecting rod; 5-a roller; 6-a second connecting rod; 7-a mounting frame; 8-cam; 9-rotating the motor; 10-a drop-down section; 11-a rise; 12-a transition bevel; 13-a guide rail; 14-moving the plate; 15-limiting plate; 16-a limit bar; 17-a second connector; 18-a movable block; 19-a cutting mechanism; 20-a first transfer lever; 21-a second transmission rod; 22-a fixed groove; 23-a mounting block; 24-a sliding groove; 25-fixing block; 26-a cutting blade; 27-a hold-down spring; 29-an inner clamping block; 30-an upper clamping part; 31-side clamping part; 32-a return spring; 33-an outer clamping block; 34-clamping the bevel; 35-bump.

Detailed Description

The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.

Example (b): the wood cutting device comprises a base 1, wherein one end of the base 1 is provided with first connecting pieces 2 which are symmetrically arranged, and the first connecting pieces 2 are provided with movable frames 3 which are rotatably connected; a first connecting rod 4 is arranged in the middle of the base 1, a roller 5 is arranged in the middle of the first connecting rod 4, a second connecting rod 6 is arranged in the middle of the movable frame 3, mounting frames 7 are jointly arranged on the second connecting rod 6 and the inner end portions of the movable frame 3, a cam 8 in rotary connection is arranged on the mounting frames 7, the rolling surface of the cam 8 is attached to the rolling surface of the roller 5, a rotating motor 9 is arranged on the movable frame 3 on one side of the mounting frames 7, and the output end of the rotating motor 9 is connected with the cam 8; a descending part 10 and an ascending part 11 are respectively arranged at two sides of the cam 8, the radius of the ascending part 11 is larger than that of the descending part 10, and a transition inclined surface 12 is arranged between the descending part 10 and the ascending part 11; the outer end part of the movable frame 3 and the second connecting rod 6 are provided with guide rails 13 which are symmetrically arranged, the guide rails 13 are provided with moving plates 14 which are connected in a sliding manner, the upper side and the lower side of the middle part of each moving plate 14 are provided with limiting plates 15 facing the side where the cam 8 is located, and the limiting plates 15 are provided with limiting rods 16 which are perpendicular to the plane where the limiting plates 15 are located; as shown in fig. 2, a second connecting piece 17 is arranged on the surface of the moving plate 14 facing the cam 7, a movable block 18 in rotary connection is arranged on the second connecting piece 17, and a gap is reserved between the upper part and the lower part of the movable block 18 and the limiting rod 16 on the corresponding side; a cutting mechanism 19 is arranged at the lower end part of the movable block 18, a first transmission rod 20 which is connected in a rotating mode is arranged on the movable block 18 between the cutting mechanism 19 and the limiting rod 16 positioned below the cutting mechanism, a second transmission rod 21 which is fixedly connected is arranged in the middle of the cam 8, the second transmission rod 21 faces the side where the descending part 10 is located, and the end part of the second transmission rod 21 is connected with the end part of the first transmission rod 20 in a rotating mode; a fixing groove 22 is formed in the base 1 below the cutting mechanism 19, the size of the fixing groove 22 is fixed, and the fixing groove is adjusted according to the size of wood to be processed; as shown in fig. 3, the cutting mechanism 19 includes a mounting block 23 connected to the movable block 18, a sliding groove 24 is formed in the bottom surface of the mounting block 23, a fixed block 25 connected in a sliding manner is arranged in the sliding groove 24, 3 cutting blades 26 which are uniformly distributed and have built-in motors are arranged on the bottom surface of the fixed block 25, the built-in motors drive the cutting blades 26 to perform cutting, the distance between adjacent cutting blades 26 is adjusted according to the width of a plate to be processed, and a compression spring 27 is arranged between the upper surface of the fixed block 25 and the corresponding surface of the sliding groove 24; the sum of the lengths of the first transmission rod 20 and the second transmission rod 21 is less than the distance from the center of the cam 8 to the outer end part of the guide rail 13; the outer end part of the fixed slot 22 is open and corresponds to the outer end part of the movable frame 3, and the inner end part of the fixed slot 22 corresponds to the position of the second connecting rod 6; the groove surface of the fixing groove 22 is made of rubber; arc transition is arranged between the transition inclined plane 12 and the ascending part 11 and the descending part 10; as shown in fig. 4 and 5, 2 mounting grooves 28 are formed in the inner edge of the mounting groove 22, an inner clamping block 29 which is rotatably connected is arranged in the mounting groove 28, an upper clamping portion 30 and a side clamping portion 31 are respectively arranged on two sides of the inner clamping block 29, an included angle between the upper clamping portion 29 and the side clamping portion 31 is a right angle, a return spring 32 is arranged between the side surface of the side clamping portion 31 and the inner groove surface of the mounting groove 28, and a gap is formed between the end portion of the side clamping portion 31 and the bottom surface of the mounting groove 28; the lower surface of the outer end part of the movable frame 3 is provided with an outer clamping block 33, and the outer clamping block 33 is provided with a clamping inclined surface 34 facing the inner clamping block 29; the lower surface of the end of the upper clamping part 30 and the side surface of the end of the side clamping part 31 are both provided with a convex block 35 facing the fixing groove 22, and the convex block 35 can more directly contact the placed wood, so that the clamping sensitivity is improved.

The working principle is as follows: putting wood to be processed into the fixed groove, starting a rotating motor, driving a cam to rotate by the rotating motor, when an ascending part is contacted with a roller wheel, rotating a movable frame by a supporting force to lift an outer end part, continuously rotating the cam, driving a movable block to move outwards by a transmission rod group consisting of a first transmission rod and a second transmission rod, further driving a movable plate to move outwards to the outer end part by a limit rod, enabling the movable frame to descend along with the movement of the roller wheel to a descending part of the cam, limiting the wood up and down and enabling a cutting mechanism to be contacted with the wood, driving the movable plate to move inwards by the transmission rod group consisting of the first transmission rod and the second transmission rod at the moment so as to drive the cutting mechanism to cut the wood, supporting and lifting the movable frame again after the wood is cut, and simultaneously moving outwards again to cut the next time, and repeating the steps; the timber of in-process receives fixed slot and movable frame jointly spacing, and fixed effect is good, and cutting mechanism moves along with the guide rail, and the cutting route is stable accurate, and operating personnel only need in time put into when the movable frame lifts up and take out timber can.