CN109291160B

CN109291160B - Cutting device for furniture wood

Info

Publication number: CN109291160B
Application number: CN201811534585.XA
Authority: CN
Inventors: 许根海
Original assignee: Xiangshan Xiehai Furniture Co ltd
Current assignee: Ningbo Longrui Machinery Manufacture Co ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2021-02-26
Anticipated expiration: 2038-12-14
Also published as: CN109291160A

Abstract

The invention relates to the technical field of furniture processing, and discloses a cutting device for furniture wood, which comprises a rack, wherein a supporting table for placing wood is arranged on the rack, a cutter, a first driving mechanism for driving the cutter to rotate and a second driving mechanism for driving the cutter to move towards the wood are arranged above the supporting table; the rack is provided with a fixing mechanism, the fixing mechanism comprises a first limiting plate and a second limiting plate which are connected to the rack in a sliding mode, and a groove for the second limiting plate to insert is formed in the first limiting plate; the dust cover is arranged on the rack, a cavity is arranged on the dust cover, a negative pressure mechanism is arranged in the cavity, and dust collection holes are formed in the side wall, facing the wood, of the dust cover. The invention can solve the problem of unstable cutting and fixing of furniture wood in the prior art.

Description

Cutting device for furniture wood

Technical Field

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

Background

Furniture need cut timber in the manufacture process to satisfy the processing requirement, but timber relies on the manual fixed saw blade of recycling of workman to cut in the cutting process during traditional man-hour, and timber takes place the drunkenness easily like this in cutting process, leads to timber cutting accuracy low, inefficiency.

In order to solve the above problems, chinese patent (CN 206855622U) discloses a wood cutter for furniture manufacture, comprising a fixed frame, wherein the fixed frame is U-shaped and laterally arranged, a hydraulic cylinder, an elastic belt for fixing wood to be cut, a swing arm, a cutting saw blade and a motor for driving the cutting saw blade are sequentially arranged on the fixed frame from top to bottom, a first fixed pulley is further arranged at the outer end of the side edge below the fixed frame, a second fixed pulley is arranged at the outer end of the side edge above the fixed frame, wherein the lower end of the elastic belt is wound around the first fixed pulley and then fixed on the bottom edge of the fixed frame, the upper end of the elastic belt is wound around the second fixed pulley and then fixed with a push rod of the hydraulic cylinder, a cavity for accommodating the hydraulic cylinder, the swing arm, the cutting saw blade and the motor is pivotally connected to the middle part of the swing, the inner of swing arm articulates on the side of mount top, and the swing arm outer end is provided with the bar hole, corresponds on the pneumatic cylinder push rod and is fixed with the drive round pin post, and this drive round pin post slidable is in the bar hole. The wood to be cut is fixed by the elastic belt, the bark on the outer layer of the wood can be cleaned in the fixing process, and the surface damage of the wood caused by the existing rigidity metal fixing can be avoided.

Although the above patent solution can automatically cut and fix the wood during cutting, there are still some points to be improved: the elastic belt has certain elasticity, and at the in-process of fixed timber, the effect is not very good, and the condition of drunkenness still takes place easily for timber, causes the cutting not accurate enough.

Disclosure of Invention

The invention aims to provide a cutting device for furniture wood, which aims to solve the problem that the furniture wood in the prior art is unstable in cutting and fixing.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the cutting device for the furniture wood comprises a rack, wherein a support table for placing the wood is arranged on the rack, and a cutter, a first driving mechanism for driving the cutter to rotate and a second driving mechanism for driving the cutter to move towards the wood are arranged above the support table; the rack is provided with a fixing mechanism, the fixing mechanism comprises a first limiting plate and a second limiting plate which are connected to the rack in a sliding mode, and a groove for the second limiting plate to insert is formed in the first limiting plate; the dust cover is arranged on the rack, a cavity is arranged on the dust cover, a negative pressure mechanism is arranged in the cavity, and dust collection holes are formed in the side wall, facing the wood, of the dust cover.

Compared with the prior art, the invention has the following principle and beneficial effects: the wood is supported by the supporting table. Then sliding the first limiting plate and the second limiting plate to approach the wood, and enabling the first limiting plate and the second limiting plate to slide until the first limiting plate and the second limiting plate abut against the wood, so that the wood is tightly pushed and fixed, and the sliding can be adjusted according to the size of the wood to be cut in the period, so that the second limiting plate slides into or slides out of the groove, and the distance between the first limiting plate and the second limiting plate is reduced or increased, so that the first limiting plate and the second limiting plate can abut against the wood better, the optimal fixing effect is achieved, and the situation that the cutting precision is influenced due to the movement of the wood in the cutting process is prevented; when the second limiting plate inserted in the recess, first limiting plate and second limiting plate formed a confined interval and fixed timber, but also can be spacing each other through between first limiting plate and the second limiting plate, make fixed establishment itself stable to reach the effect of fixing timber better. The second driving mechanism drives the cutter to move towards the wood, and the first driving mechanism drives the cutter to rotate to cut the wood. In the cutting process, make the interior negative pressure of cavity through negative pressure mechanism, under the effect of negative pressure, the saw-dust of production will enter into the cavity through the negative pressure hole, on the one hand will cut the part through setting up the dust cover and separate with the external world, prevent that the saw-dust from splashing and causing the harm to the workman, on the other hand can also concentrate the collection processing with the saw-dust through the negative pressure, can prevent that the saw-dust from entering into the gap between the part and being difficult to the condition of clearance to shorten the time of later stage clearance.

Furthermore, the first limiting plate is composed of a first outer sleeve plate and a first inner sleeve plate, and one end of the first inner sleeve plate is connected to one end of the first outer sleeve plate in a sliding mode; the second limiting plate is composed of a second outer sleeve plate and a second inner sleeve plate, and one end of the second inner sleeve plate is connected to one end of the second outer sleeve plate in a sliding mode.

The limiting plate with the combination of the outer sleeve plate and the inner sleeve plate is arranged, the length of the limiting plate can be adjusted by sliding the inner sleeve plate according to the size (such as diameter, length, width and height) of wood to be cut so as to adapt to the size of the wood, the wood can be better fixed, namely, the wood is tightly pushed from multiple directions, and meanwhile, the application range of the device is expanded, so that the wood with different sizes can be cut.

Further, all be equipped with the buffer layer on first limiting plate and the second limiting plate.

The buffer layer is arranged, so that wood can be prevented from being directly abutted against the limiting plate, and the indentation of the limiting plate on the surface of the wood in the jacking process is reduced.

Furthermore, the second driving mechanism is a hydraulic cylinder, gear teeth are arranged on an output shaft of the hydraulic cylinder, a gear is rotatably connected to the rack, the output shaft is meshed with the gear through the gear teeth, and a negative pressure impeller coaxially connected with the gear is rotatably connected to the cavity.

Through pneumatic cylinder drive cutter to timber be close to, its output shaft drives gear revolve through the teeth of a cogwheel at the in-process that removes, and the gear will drive negative pressure impeller and rotate, makes to produce the negative pressure in the cavity, not only can drive the cutter, can also form the negative pressure in the cavity, plays dual function, need not to set up extra power supply and produces the negative pressure, has reached energy-conserving effect.

Furthermore, a plurality of dust guide plates which are inclined downwards along the dust suction hole are arranged on one side of the cavity close to the dust suction hole.

After the cutting is accomplished, the negative pressure disappears in the cavity, and the saw-dust in the cavity will fall under self action of gravity, and sets up and lead the dirt board, owing to lead the dirt board downward sloping, can play the guide effect at the in-process of saw-dust whereabouts, even the dust absorption hole is kept away from to the saw-dust to prevent that the saw-dust from drifting out from the dust absorption hole.

Furthermore, a filter screen is arranged in the cavity.

The filter screen is arranged to prevent the situation that the saw dust is contacted with the negative pressure impeller after entering the cavity, so that the negative pressure impeller cannot rotate.

Drawings

FIG. 1 is a front view, partially in section, of an embodiment of the invention with the securing mechanism unsecured to wood;

FIG. 2 is a front view, partially in section, of an embodiment of the invention with a fastening mechanism for fastening wood;

fig. 3 is an enlarged view of the first limiting plate and the second limiting plate fixing the wood according to the embodiment of the invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a supporting table 1, a cutter 2, a motor 3, a hydraulic cylinder 4, an output shaft 5, a groove 6, a first outer sleeve plate 7, a first inner sleeve plate 8, a first limit groove 9, a first limit block 10, a second outer sleeve plate 11, a second inner sleeve plate 12, a first air cylinder 13, a second air cylinder 14, a dust cover 15, a cavity 16, a dust suction hole 17, an exhaust hole 18, a dust guide plate 19, a negative pressure impeller 20, a gear 21, a filter screen 22 and wood 23.

The embodiment is basically as shown in the attached figures 1 to 3:

furniture is cutting device for timber, including the frame, be equipped with the brace table 1 that is used for placing timber 23 in the frame, brace table 1 top is equipped with cutter 2, is used for driving cutter 2 pivoted first actuating mechanism and is used for driving cutter 2 to the second actuating mechanism that timber 23 removed, and first actuating mechanism is motor 3, and second actuating mechanism is pneumatic cylinder 4, and the 3 rigid couplings of motor are at the lower extreme of 4 output shafts 5 of pneumatic cylinder. The rack is provided with a fixing mechanism, the fixing mechanism comprises a first limiting plate and a second limiting plate which are connected to the rack in a sliding mode, a groove 6 for the second limiting plate to insert is formed in the first limiting plate, buffering layers are arranged on the first limiting plate and the second limiting plate, the buffering layers are made of rubber, and the thickness of the buffering layers is 3-5mm, so that the phenomenon that indentations are left on the surface of the wood 23 when the limiting plates are tightly pushed is reduced; the first limiting plate is composed of a first outer sleeve plate 7 and a first inner sleeve plate 8, one end of the first inner sleeve plate 8 is connected into one end of the first outer sleeve plate 7 in a sliding mode, a plurality of limiting grooves I9 (shown in figure 3) are formed in the first inner sleeve plate 8, limiting blocks I10 inserted into the limiting grooves I9 are hinged to the first outer sleeve plate 7, and the limiting blocks I10 can be inserted into the limiting grooves I9 to fix the position of the first inner sleeve plate 8 relative to the first outer sleeve plate 7; the second limiting plate is composed of a second outer sleeve plate 11 and a second inner sleeve plate 12, one end of the second inner sleeve plate 12 is connected into one end of the second outer sleeve plate 11 in a sliding mode, a plurality of second limiting grooves are also formed in the second inner sleeve plate 12, second limiting blocks inserted into the second limiting grooves are also hinged to the second outer sleeve plate 11, and the second limiting blocks are inserted into the second limiting grooves to fix the position of the second inner sleeve plate 12 relative to the second outer sleeve plate 11; a first air cylinder 13 for driving the first limiting plate to move and a second air cylinder 14 for driving the second limiting plate to move are fixedly connected to the rack.

The dust cover 15 is arranged on the rack, a cavity 16 is arranged in the dust cover 15, dust suction holes 17 are formed in the side wall, facing the wood 23, of the dust cover 15, exhaust holes 18 are further formed in the top wall of the dust cover 15, a plurality of dust guide plates 19 inclining downwards along the dust suction holes 17 are arranged on one side, close to the dust suction holes 17, in the cavity 16, the dust guide plates 19 corresponding to the dust suction holes 17 are located above the dust suction holes 17, and therefore the sawdust is prevented from floating out of the dust suction holes 17. A negative pressure impeller 20 is rotatably connected in the cavity 16, a gear 21 coaxially connected with the negative pressure impeller 20 is rotatably connected to the frame, gear teeth are arranged on an output shaft 5 of the hydraulic cylinder 4, and the output shaft 5 is meshed with the gear 21 through the gear teeth. A filter screen 22 is arranged in the cavity 16 to prevent wood dust from contacting the negative pressure impeller 20 after entering the cavity 16, so that the negative pressure impeller 20 cannot rotate.

In specific implementation, the wood 23 to be cut is placed on the support table 1, and the end to be cut extends into the dust cover 15 and is positioned below the cutting knife 2. According to the size of the wood 23 to be cut, the height of the first limiting plate is adjusted by sliding the first inner sleeve plate 8, the height is the distance between the free end of the first inner sleeve plate 8 and the free end of the first outer sleeve plate 7, the distance is equal to the diameter of the wood 23, then the first limiting block 10 is rotated to be inserted into the first limiting groove 9, and the first inner sleeve plate 8 is further fixed; similarly, by sliding the second inner race plate 12, the free end of the second inner race plate 12 is flush with the groove 6 on the first inner race plate 8 so that the second inner race plate 12 can be inserted into the groove 6 on the first inner race plate 8. Then start first cylinder 13 and second cylinder 14 simultaneously, first cylinder 13 will drive first limiting plate and remove to the right, and second cylinder 14 will drive the second limiting plate and remove to the left, and second limiting plate one end inserts in the first limiting plate. When the first limiting plate and the second limiting plate abut against the wood 23, the first air cylinder 13 and the second air cylinder 14 are closed, so that the wood 23 is tightly fixed from the left direction, the right direction, the upper direction and the lower direction.

Then the hydraulic cylinder 4 is started, the output shaft 5 of the hydraulic cylinder drives the motor 3 and the cutter 2 to move downwards to be close to the wood 23, and simultaneously drives the gear 21 to rotate, the gear 21 drives the negative pressure impeller 20 to rotate, and negative pressure is generated in the cavity 16. When cutter 2 and timber 23 contact and begin to cut timber 23, dust cover 15 can keep apart cutting part and external to prevent that the saw-dust from splashing and causing the harm to the workman, the saw-dust that produces simultaneously will enter into cavity 16 under the negative pressure effect, prevent that the saw-dust from entering into the gap between the part and the condition of being difficult to the clearance, thereby shorten the time of later stage clearance.

After the cutting is completed, the hydraulic cylinder 4 resets the driving motor 3 and the cutter 2 to move upwards, then the first cylinder 13 and the second cylinder 14 are started, and the first limiting plate and the second limiting plate are driven to move reversely and reset respectively by the first cylinder 13 and the second cylinder 14, so that the wood 23 is released. The negative pressure in the cavity 16 disappears, the wood chips in the cavity 16 fall under the action of the self gravity, and the dust guide plate 19 can play a role in guiding and blocking the wood chips in the falling process so as to prevent the wood chips from floating out of the dust suction holes 17.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that variations and modifications can be made by those skilled in the art without departing from the structure of the present invention. These should also be construed as the scope of the present invention, and they should not be construed as affecting the effectiveness of the practice of the present invention or the applicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Furniture is cutting device for timber, including the frame, be equipped with in the frame and be used for placing ligneous brace table, its characterized in that: a cutter, a first driving mechanism for driving the cutter to rotate and a second driving mechanism for driving the cutter to move towards the wood are arranged above the supporting table; the rack is provided with a fixing mechanism, the fixing mechanism comprises a first limiting plate and a second limiting plate which are connected to the rack in a sliding mode, and a groove for the second limiting plate to insert is formed in the first limiting plate; the first limiting plate is composed of a first outer sleeve plate and a first inner sleeve plate, one end of the first inner sleeve plate is connected into one end of the first outer sleeve plate in a sliding mode, a plurality of first limiting grooves are formed in the first inner sleeve plate, and a first limiting block inserted into the first limiting grooves is hinged to the first outer sleeve plate; the second limiting plate is composed of a second outer sleeve plate and a second inner sleeve plate, one end of the second inner sleeve plate is connected into one end of the second outer sleeve plate in a sliding mode, a plurality of second limiting grooves are formed in the second inner sleeve plate, and second limiting blocks inserted into the second limiting grooves are hinged to the second outer sleeve plate; a first air cylinder for driving the first limiting plate to move and a second air cylinder for driving the second limiting plate to move are fixedly connected to the rack; the dust cover is arranged on the rack, a cavity is arranged on the dust cover, a negative pressure mechanism is arranged in the cavity, and dust collection holes are formed in the side wall, facing the wood, of the dust cover.

2. The cutting device for furniture wood according to claim 1, characterized in that: and the first limiting plate and the second limiting plate are both provided with buffer layers.

3. The cutting device for furniture wood according to claim 1, characterized in that: the second driving mechanism is a hydraulic cylinder, gear teeth are arranged on an output shaft of the hydraulic cylinder, a gear is rotatably connected to the rack, the output shaft is meshed with the gear through the gear teeth, and a negative pressure impeller coaxially connected with the gear is rotatably connected to the cavity.

4. The cutting device for furniture wood according to claim 1, characterized in that: and a plurality of dust guide plates which are inclined downwards along the dust suction holes are arranged on one side of the cavity close to the dust suction holes.

5. The cutting device for furniture wood according to claim 3 or 4, characterized in that: a filter screen is arranged in the cavity.