CN112497367A

CN112497367A - Plate cutting equipment capable of automatically adjusting cutting knife

Info

Publication number: CN112497367A
Application number: CN202011364695.3A
Authority: CN
Inventors: 张叶波
Original assignee: Pujiang Suli Machinery Technology Co ltd
Current assignee: Pujiang Suli Machinery Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-03-16

Abstract

The invention discloses a plate cutting device capable of automatically adjusting a cutting knife, which comprises a machine body, wherein a working cavity penetrating through the front side and the rear side is arranged in the machine body, and a clamping device for clamping a plate is arranged at the lower side of the working cavity; the clamping device is arranged, the left clamping block and the right clamping block can move leftwards or rightwards simultaneously to clamp and fix a plate placed on the lower side of the working cavity, and the adjusting device can be driven to cut; the adjusting device is arranged, and the moving track of the cutting knife during cutting can be adjusted by rotating the rotating disc, so that the cutting of the plate at any angle is realized, and the plate is more convenient to cut; the cutting device is arranged, and the cutting knife can be driven by the hydraulic cylinder to move up and down, so that the selected cutting is realized; the recovery device is arranged, the recovery shell can be driven by the driving moving device to effectively absorb the wood chips in the working cavity, and therefore the recovery working efficiency is improved.

Description

Plate cutting equipment capable of automatically adjusting cutting knife

Technical Field

The invention relates to the technical field of plate correlation, in particular to a plate cutting device capable of automatically adjusting a cutting knife.

Background

The plate is a flat rectangular building material plate with standard size, is applied to the building industry and is used as a component of a wall, a ceiling or a floor; but also to metal plates forged, rolled or cast; the general plate cutting equipment adjusts the cutting angle through manual work, and then performs moving cutting on the plate, and the process is generally complicated and the cutting efficiency is not high; general panel cutting equipment can produce a large amount of sweeps after panel cutting to lead to the cutting environment very poor, need the manual work to clear up moreover, so need design a panel cutting equipment that can automatically regulated cutting knife.

Disclosure of Invention

The invention aims to provide a plate cutting device capable of automatically adjusting a cutting knife, which is used for overcoming the defects in the prior art.

According to the invention, the plate cutting equipment capable of automatically adjusting the cutting knife comprises a machine body, a working cavity penetrating through the front side and the back side is arranged in the machine body, a clamping device for clamping a plate is arranged on the lower side of the working cavity and comprises sliding grooves symmetrically arranged in the lower side wall body of the working cavity, a first belt wheel cavity is arranged in the machine body on the left side of the working cavity, a second belt wheel cavity is arranged in the machine body on the right side of the working cavity, a first rotating shaft is rotatably arranged between the first belt wheel cavity and the second belt wheel cavity, a first motor is fixedly arranged in the left side wall body of the first belt wheel cavity, a first rotating shaft is fixedly arranged on a power output shaft of the first motor, a second moving cavity is arranged in the left side wall body of the first belt wheel cavity, a left threaded rotating shaft is rotatably and slidably arranged between the second moving cavity and the working cavity, a left fixed belt wheel in threaded engagement connection with the left threaded rotating shaft, a left-side belt wheel is fixedly arranged on the first rotating shaft in the first belt wheel cavity, a synchronous belt is arranged between the left-side belt wheel and the left-side fixed belt wheel, a right-side belt wheel is fixedly arranged on the first rotating shaft in the second belt wheel cavity, a first spline cavity is arranged in the wall body on the right side of the second belt wheel cavity, a right-side thread rotating shaft is rotatably and slidably arranged between the first spline cavity and the working cavity, a right-side fixed belt wheel in threaded engagement with the left-side thread rotating shaft is rotatably arranged on the side wall body on the left and right sides of the second belt wheel cavity, a right-side belt wheel is fixedly arranged on the first rotating shaft in the second belt wheel cavity, a belt is wound between the right-side belt wheel and the right-side fixed belt wheel, a right-side clamping block fixedly mounted with the right-side thread rotating shaft is slidably arranged in the chute on the right side of the working cavity, the left telecommunication connecting block is fixedly arranged in the right side wall body of the left clamping block, a first spring cavity is arranged in the right side wall body of the left telecommunication connecting block, a slide rod cavity is arranged in the left side wall body of the spring cavity, a slide rod is arranged in the slide rod cavity in a sliding manner, a slide rod is fixedly arranged on the right side of the slide rod, a first expansion spring is arranged between the left side of the slide rod and the left side wall body of the spring cavity, a first lead is arranged on the left side of the left telecommunication connecting block, when the right side clamping block and the left side clamping block tighten the plate, the left side telecommunication connecting block is in sliding contact with the slide rod, a rotating cavity is arranged in the upper side wall body of the working cavity, a rotating disc is arranged in the rotating cavity in a rotating manner, a regulating device for regulating a cutting angle is arranged in the rotating cavity in a rotating manner, the regulating device, the mobile device is including setting up in the internal removal chamber one of lateral wall under the rolling disc, it is equipped with the cutting device who is used for the panel cutting to remove one and slide in the chamber, it is equipped with the collection device that is used for collecting the cutting saw-dust to remove one right side in chamber.

On the basis of the technical scheme, the adjusting device comprises a bevel gear cavity arranged in the machine body on the upper side of the moving cavity, a motor II is arranged in the machine body on the left side of the bevel gear cavity, a rotating shaft sleeve is fixedly arranged on a power output shaft of the motor II, a spline cavity II is arranged in a wall body on the right side of the rotating shaft sleeve, an electromagnet I is fixedly arranged on a wall body on the left side of the spline cavity II, a wire II connected with the wire I is arranged on the left side of the electromagnet I, a rotating shaft II connected with a spline in a meshing manner is arranged in the spline cavity II in a sliding manner, an electromagnet II is fixedly arranged on a wall body on the left side of the rotating shaft II, a bevel gear I is fixedly arranged on the right side of the rotating shaft II, a retractable spring II capable of retracting is arranged between the left side of the bevel gear, and a second bevel gear which can be meshed and connected with the first bevel gear is fixedly arranged on the rotating shaft III.

On the basis of the technical scheme, the moving device comprises a gear cavity arranged on the left side of a moving cavity in the rotating disc, a motor III is fixedly arranged in the wall body on the right side of the moving cavity, a rotating shaft IV is arranged between the moving cavity I and the gear cavity in a rotating mode, a sliding block I connected with a rotating shaft four-thread screw rod is arranged in the moving cavity I in a sliding mode, and a rotating shaft IV is fixedly arranged on a motor three-power output shaft.

On the basis of the technical scheme, the cutting device comprises a hydraulic cylinder fixedly arranged in the upper side wall body of the first sliding block, a cutting box is arranged on the lower side of the hydraulic cylinder, a cutting cavity is arranged in the lower side wall body of the cutting box, a motor IV is fixedly arranged in the rear side wall body of the cutting cavity, a cutting knife for cutting a plate is fixedly arranged on a motor IV power output shaft, and the hydraulic cylinder can drive the belt wheel cavity II to move up and down to adjust the height.

On the basis of the technical scheme, the collecting device comprises a recovery box which is arranged on the right side of the first movable cavity and used for collecting sawdust, a third rotary shaft is arranged on the lower side of the recovery box, a pump cavity is arranged on the lower side of the third rotary shaft, a connecting pipe is connected with the lower side of the pump cavity, a recovery shell communicated with the connecting pipe is fixedly arranged in the wall body on the right side of the first movable cavity, a rotary disc is arranged in the machine body on the lower side of the rotary cavity, an auxiliary rotary ring is arranged in the rotary disc in a rotary mode, a first gear which is meshed with a gear rack on the upper side of the auxiliary rotary ring is fixedly arranged on a fourth rotary shaft in the gear cavity, a second motor is arranged on the left side of the pump cavity on the right side of the machine body, a fifth rotary shaft is rotatably arranged between the second motor and the pump cavity, a second gear which is meshed with the lower side, and the rotating shaft five is used as the center, a second spring cavity is formed in the auxiliary sliding block outer side wall body in an array mode, a second sliding block attached to the pump cavity outer side wall body is arranged in the second spring cavity in a sliding mode, and a third telescopic spring capable of contracting is arranged between the second sliding block and the second spring cavity.

The invention has the beneficial effects that: the clamping device is arranged, the left clamping block and the right clamping block can move leftwards or rightwards simultaneously to clamp and fix a plate placed on the lower side of the working cavity, and the adjusting device can be driven to cut;

the adjusting device is arranged, and the moving track of the cutting knife during cutting can be adjusted by rotating the rotating disc, so that the cutting of the plate at any angle is realized, and the plate is more convenient to cut;

the cutting device is arranged, and the cutting knife can be driven by the hydraulic cylinder to move up and down, so that the selected cutting is realized;

the recovery device is arranged, the recovery shell can be driven by the driving moving device to effectively absorb the wood chips in the working cavity, and therefore the recovery working efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a plate cutting device capable of automatically adjusting a cutting knife;

FIG. 2 is a cross-sectional view taken at "A-A" of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of a portion of the invention at B in FIG. 1;

FIG. 4 is an enlarged view of a portion of the invention at C in FIG. 1;

FIG. 5 is a cross-sectional view taken at "D-D" of FIG. 1 in accordance with the present invention;

fig. 6 is an enlarged view of a portion of the invention at F in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 6, a plate cutting device capable of automatically adjusting a cutting knife according to an embodiment of the present invention includes a machine body 10, a working chamber 39 penetrating through the machine body 10 from front to back is provided in the machine body 10, a clamping device 901 for clamping a plate is provided at a lower side of the working chamber 39, the clamping device 901 includes sliding grooves 41 symmetrically provided in a lower side wall of the working chamber 39, a first pulley chamber 14 is provided in the machine body 10 at a left side of the working chamber 39, a second pulley chamber 19 is provided in the machine body 10 at a right side of the working chamber 39, a first rotating shaft 38 is rotatably provided between the first pulley chamber 14 and the second pulley chamber 19, a first motor 18 is fixedly provided in a left side wall body of the first pulley chamber 14, a first rotating shaft 38 is fixedly provided on a power output shaft of the first motor 18, a second moving chamber 34 is provided in a left side wall body of the first pulley chamber 14, a left threaded rotating shaft 20 is rotatably and slidably provided between the second, a left fixed belt wheel 16 connected with the left threaded rotating shaft 20 in a threaded engagement manner is rotatably arranged on the left side wall body and the right side wall body of the belt wheel cavity I14, a left belt wheel 36 is fixedly arranged on the rotating shaft I38 in the belt wheel cavity I14, a synchronous belt 17 is arranged between the left belt wheel 36 and the left fixed belt wheel 16, a right belt wheel 13 is fixedly arranged on the rotating shaft I38 in the belt wheel cavity II 19, a spline cavity I35 is arranged in the right side wall body of the belt wheel cavity II 19, a right threaded rotating shaft 15 is rotatably and slidably arranged between the spline cavity I35 and the working cavity 39, a right fixed belt wheel 11 connected with the left threaded rotating shaft 20 in a threaded engagement manner is rotatably arranged on the left side wall body and the right side wall body of the belt wheel cavity II 19, a right belt wheel 13 is fixedly arranged on the rotating shaft I38 in the belt wheel cavity II 19, and a winding belt 12 is arranged between the right belt wheel 13, the right side of working chamber 39 right side spout 41 in slide set with right side screw thread pivot 15 fixed mounting's right side grip block 42, the left side of working chamber 39 in slide set with left side grip block 37 of left side screw thread pivot 20 fixed mounting in slide set with left side grip block 37, left side grip block 37 right side wall internal fixation has left side telecommunications connecting block 48, be equipped with spring chamber 46 in the wall body of left side telecommunications connecting block 48 right side, be equipped with slide bar chamber 52 in the wall body of spring chamber 46 left side, slide bar chamber 52 in slide bar is equipped with slide bar 51, slide bar 51 right side has set slide bar 51, be equipped with expansion spring 50 between slide bar 51 left side and the wall body of spring chamber 46 left side, left side telecommunications connecting block 48 left side is equipped with wire 47, when right side grip block 42 with left side grip block 37 steps up, left side telecommunications connecting block 48 with slide bar 51 sliding contact, be equipped with in the lateral wall body on working chamber 39 and rotate chamber 22, it is equipped with rolling disc 24 to rotate the rotation in chamber 22, it is equipped with the adjusting device 902 that is used for adjusting the cutting angle to rotate the rotation in chamber 22, adjusting device 902 including rotate set up in remove chamber 28 in the rolling disc 24, remove the mobile device 903 that removes when being equipped with in chamber 28 and being used for the cutting, mobile device 903 including set up in the internal removal chamber 28 of lateral wall under the rolling disc 24, it is equipped with the cutting device 904 that is used for the panel cutting to remove to slide in chamber 28, it is equipped with the collection device 905 that is used for collecting the cutting saw-dust to remove a 28 right sides in chamber.

In addition, in one embodiment, the adjusting device 902 includes a bevel gear cavity 61 arranged in the machine body 10 on the upper side of the first moving cavity 28, a second motor 73 arranged in the machine body 10 on the left side of the bevel gear cavity 61, a rotating shaft sleeve 54 fixedly arranged on a power output shaft of the second motor 73, a second spline cavity 56 arranged in a right side wall body of the rotating shaft sleeve 54, a first electromagnet 55 fixedly arranged on a left side wall body of the second spline cavity 56, a second lead 53 connected with the first lead 47 arranged on the left side of the first electromagnet 55, a second rotating shaft 58 connected with a spline in a meshing manner arranged in the second spline cavity 56, a second electromagnet 57 fixedly arranged on a left side wall body of the second rotating shaft 58, a first bevel gear 60 fixedly arranged on the right side of the second rotating shaft 58, a second retractable spring 59 capable of retracting and arranged between the left side of the first bevel gear 60 and the right side of the rotating, a third rotating shaft 63 is fixedly arranged at the center of the upper side of the rotating disc 24, and a second bevel gear 62 70 which can be meshed with the first bevel gear 60 is fixedly arranged on the third rotating shaft 63.

In addition, in one embodiment, the moving device 903 includes a gear cavity 23 disposed in the rotating disc 24 on the left side of the moving cavity one 28, a motor three 40 is fixedly disposed in a right side wall body of the moving cavity one 28, a rotating shaft four 27 is rotatably disposed between the moving cavity one 28 and the gear cavity 23, a sliding block one 29 in threaded connection with the rotating shaft four 27 is slidably disposed in the moving cavity one 28, and a rotating shaft four 27 is fixedly disposed on a power output shaft of the motor three 40.

In addition, in one embodiment, the cutting device 904 includes a hydraulic cylinder 30 fixedly disposed in an upper side wall body of the first sliding block 29, a cutting box 31 is disposed below the hydraulic cylinder 30, a cutting cavity 43 is disposed in a lower side wall body of the cutting box 31, a motor four 44 is fixedly disposed in a rear side wall body of the cutting cavity 43, a cutting knife 32 for cutting the plate is fixedly disposed on a power output shaft of the motor four 44, and the hydraulic cylinder 30 can drive the pulley cavity two 19 to move up and down to adjust the height.

In addition, in one embodiment, the collecting device 905 includes a recycling box 33 disposed on the right side of the first moving cavity 28 for collecting wood chips, a third rotating shaft 63 is disposed on the lower side of the recycling box 33, a pump cavity 64 is disposed on the lower side of the third rotating shaft 63, a connecting pipe 72 is connected to the lower side of the pump cavity 64, a recycling shell 71 communicated with the connecting pipe 72 is fixedly disposed in the right side wall of the first moving cavity 28, a rotating disc 24 is disposed in the machine body 10 on the lower side of the rotating cavity 22, an auxiliary rotating ring 25 is rotatably disposed in the rotating disc 24, a first gear 26 engaged with a rack and pinion on the auxiliary rotating ring 25 is fixedly disposed on the fourth rotating shaft 27 in the gear cavity 23, a second motor 73 is disposed on the left side of the pump cavity 64 on the right side of the machine body 10, a fifth rotating shaft 69 is rotatably disposed between the second motor 73 and the pump cavity 64, a second gear 70 engaged with the lower side of the auxiliary rotating ring 25 is, an auxiliary sliding block 68 is fixedly arranged on the rotating shaft five 69 in the pump cavity 64, a spring cavity two 66 is formed in the outer side wall body of the auxiliary sliding block 68 by taking the rotating shaft five 69 as the center in an array mode, a sliding block two 65 attached to the outer side wall body of the pump cavity 64 is arranged in the spring cavity two 66 in a sliding mode, and a telescopic spring three 67 capable of contracting is arranged between the sliding block two 65 and the spring cavity two 66.

In the initial state, the first extension spring 50 is in a compressed state and the second extension spring 59 is in a natural state.

When a plate is clamped and fixed, firstly, a motor I18 is started, the motor I18 is started to drive a rotating shaft I38 to rotate, the rotating shaft I38 rotates to drive a left-side belt wheel 36 to rotate, the left-side belt wheel 36 rotates to drive a synchronous belt 17 to rotate, the synchronous belt 17 rotates to drive a left-side fixed belt wheel 16 to rotate, the left-side fixed belt wheel 16 rotates to drive a left-side threaded rotating shaft 20 to rotate and move rightwards, meanwhile, the rotating shaft I38 rotates to drive a right-side belt wheel 13 to rotate, the right-side belt wheel 13 rotates to drive a belt winding 12 to rotate, the belt winding 12 rotates to drive a right-side threaded rotating shaft 15 to rotate, and the right-; when the plate is fixed, the right telecommunication connecting block 49 slides leftwards to be in contact with the left telecommunication connecting block 48, so that an electric signal is sent to a second wire 53 through a first wire 47, the first electromagnet 55 and the second electromagnet 57 are electrified to drive the second rotating shaft 58 to move rightwards, the first bevel gear 60 is driven to move rightwards to be in meshed connection with the second bevel gear 62, the second motor 73 is started to drive the rotating shaft sleeve 54 to rotate, the rotating shaft sleeve 54 rotates to drive the second rotating shaft 58 to rotate, the second rotating shaft 58 rotates to drive the first bevel gear 60 to rotate, the first bevel gear 60 rotates to drive the second bevel gear 62 to rotate, the second bevel gear 62 rotates to drive the third rotating shaft 63 to rotate, the third rotating shaft 63 rotates to drive the rotating disc 24 to rotate, so that the moving track; the fourth motor 44, the hydraulic cylinder 30 and the third motor 40 are started, the cutting knife 32 can be driven to cut and rotate, the hydraulic cylinder 30 can be started to drive the cutting knife 32 to move up and down, so that the cutting thickness of the plate can be adjusted, the third motor 40 can drive the fourth rotating shaft 27 to rotate, the fourth rotating shaft 27 rotates to drive the first sliding block 29 to move left and right, so that the second pulley cavity 19 is driven to move, the cutting knife 32 is driven to move and cut, and the plate can be cut at any angle; when collecting the saw-dust, the supplementary change 25 of the rotation drive of the four 27 rotation of pivot rotates, supplementary change 25 rotates and drives the rotation of gear two 70, gear two 70 rotates and drives the rotation of five 69 rotations of pivot, the rotation of five 69 rotations of pivot drives supplementary slider 68 and rotates, supplementary slider 68 rotates and drives two 65 rotations of slider to collect the saw-dust that the cutting board material produced in working chamber 39 through retrieving shell 71, the saw-dust enters into the collection box 33 through retrieving shell 71, connecting pipe 72, three 63 of pivot and retrieves.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and scope of the present invention are intended to be included therein.

Claims

1. The utility model provides a can automatically regulated cutting knife's panel cutting equipment, includes the fuselage, its characterized in that: the plate clamping device comprises chutes symmetrically arranged in the lower side wall of the working cavity, a first belt wheel cavity is arranged in the left side of the working cavity, a second belt wheel cavity is arranged in the right side of the working cavity, a first rotating shaft is rotatably arranged between the first belt wheel cavity and the second belt wheel cavity, a first motor is fixedly arranged in the left side wall body of the first belt wheel cavity, a first rotating shaft is fixedly arranged on a power output shaft of the first motor, a second moving cavity is arranged in the left side wall body of the first belt wheel cavity, a left threaded rotating shaft is rotatably and slidably arranged between the second moving cavity and the working cavity, a left fixed belt wheel in threaded engagement with the left threaded rotating shaft is rotatably arranged on the left side wall body and the right side wall body of the first belt wheel cavity, and a left belt wheel is fixedly arranged on the first rotating shaft in the first belt wheel cavity, a synchronous belt is arranged between the left-side belt wheel and the left-side fixed belt wheel, a right-side belt wheel is fixedly arranged on the first rotating shaft in the second belt wheel cavity, a first spline cavity is arranged in the wall body on the right side of the second belt wheel cavity, a right-side thread rotating shaft is arranged between the first spline cavity and the working cavity in a rotating and sliding manner, a right-side fixed belt wheel in threaded engagement with the left-side thread rotating shaft is rotatably arranged on the wall body on the left and right sides of the second belt wheel cavity, a right-side belt wheel is fixedly arranged on the first rotating shaft in the second belt wheel cavity, a winding belt is arranged between the right-side belt wheel and the right-side fixed belt wheel, a right-side clamping block fixedly installed with the right-side thread rotating shaft is slidably arranged in the chute on the right side of the working cavity, a left-side clamping block fixedly installed with the left-side thread rotating, a first spring cavity is arranged in the right side wall body of the left telecommunication connecting block, a first slide rod cavity is arranged in the left side wall body of the first spring cavity, a slide rod is arranged in the slide rod cavity in a sliding manner, the slide rod is fixedly arranged on the right side of the slide rod, a first expansion spring is arranged between the left side of the slide rod and the left side wall body of the first spring cavity, a first wire is arranged on the left side of the left telecommunication connecting block, when the right side clamping block and the left side clamping block tighten a plate, the left telecommunication connecting block is in sliding contact with the slide rod, a rotating cavity is arranged in the upper side wall body of the working cavity, a rotating disc is arranged in the rotating cavity in a rotating manner, a regulating device for regulating a cutting angle is arranged in the rotating cavity in a rotating manner, the regulating device comprises a first moving cavity which is rotatably arranged in the rotating disc, a moving device which is used for, it is equipped with the cutting device who is used for the panel cutting to slide in removing chamber one, it is equipped with the collection device who is used for collecting the cutting saw-dust to remove chamber one right side.

2. A board cutting apparatus with an automatically adjustable cutting blade as set forth in claim 1, wherein: the adjusting device comprises a bevel gear cavity arranged in the machine body on one upper side of the moving cavity, a second motor is arranged in the machine body on the left side of the bevel gear cavity, a rotating shaft sleeve is fixedly arranged on a power output shaft of the second motor, a second spline cavity is arranged in the right side wall body of the rotating shaft sleeve, a first electromagnet is fixedly arranged on the left side wall body of the second spline cavity, a second lead connected with the first lead is arranged on the left side of the first electromagnet, a second rotating shaft in spline meshing connection is arranged in the second spline cavity in a sliding manner, the left side wall body of the second rotating shaft is fixedly provided with a second electromagnet, the right side of the second rotating shaft is fixedly provided with a first bevel gear, a second retractable spring is arranged between the left side of the first bevel gear and the right side of the rotating shaft sleeve, the second expansion spring is in a natural state, a third rotating shaft is fixedly arranged at the circle center of the upper side of the rotating disc, and a second bevel gear which can be meshed and connected with the first bevel gear is fixedly arranged on the third rotating shaft.

3. A board cutting apparatus with an automatically adjustable cutting blade as set forth in claim 1, wherein: the moving device comprises a gear cavity arranged on the left side of a moving cavity in the rotating disc, a motor III is fixedly arranged in the wall body on the right side of the moving cavity, a rotating shaft IV is arranged between the moving cavity I and the gear cavity in a rotating mode, a first sliding block connected with a rotating shaft four-thread screw rod is arranged in the moving cavity I in a sliding mode, and a rotating shaft IV is fixedly arranged on a motor three-power output shaft.

4. A board cutting apparatus with an automatically adjustable cutting blade as set forth in claim 1, wherein: the cutting device comprises a hydraulic cylinder fixedly arranged in the upper side wall body of the first sliding block, a cutting box is arranged on the lower side of the hydraulic cylinder, a cutting cavity is formed in the lower side wall body of the cutting box, a motor four is fixedly arranged in the rear side wall body of the cutting cavity, a cutting knife for cutting a plate is fixedly arranged on a motor four-power output shaft, and the hydraulic cylinder can drive the belt wheel cavity two to move up and down to adjust the height.

5. A board cutting apparatus with an automatically adjustable cutting blade as set forth in claim 1, wherein: the collecting device comprises a recycling bin which is arranged on the right side of a first moving cavity and used for collecting sawdust, a third rotating shaft is arranged on the lower side of the recycling bin, a pump cavity is arranged on the lower side of the third rotating shaft, a connecting pipe is connected with the lower side of the pump cavity, a recycling shell communicated with the connecting pipe is fixedly arranged in the wall body on the right side of the first moving cavity, a rotating disc is arranged in the machine body on the lower side of the rotating cavity, an auxiliary rotating ring is rotatably arranged in the rotating disc, a first gear which is meshed with a gear rack on the upper side of the auxiliary rotating ring is fixedly arranged on a fourth rotating shaft in the gear cavity, a second motor is arranged on the left side of the pump cavity on the right side of the machine body, a fifth rotating shaft is rotatably arranged between the second motor and the pump cavity, a second gear which is meshed with the lower side of the auxiliary rotating, and the rotating shaft five is used as the center, a second spring cavity is formed in the auxiliary sliding block outer side wall body in an array mode, a second sliding block attached to the pump cavity outer side wall body is arranged in the second spring cavity in a sliding mode, and a third telescopic spring capable of contracting is arranged between the second sliding block and the second spring cavity.