CN111516059A

CN111516059A - Veneer cutting equipment for plywood

Info

Publication number: CN111516059A
Application number: CN202010426172.0A
Authority: CN
Inventors: 尹雪
Original assignee: Fuzhou Jin'an Baxian Technology Co ltd
Current assignee: ANHUI BAITAI ARTS & CRAFTS Co.,Ltd.
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-08-11
Anticipated expiration: 2040-05-19
Also published as: GB202013505D0; CN111516059B

Abstract

The invention discloses veneer cutting equipment for plywood, which comprises a machine body, wherein a cutting cavity is arranged in the machine body, and a cutting device for cutting a timber pile is arranged on the upper side of the cutting cavity; the veneer cutting machine is provided with the moving device, so that the spline bevel gear and the lower bevel gear are always in meshed connection through simple mechanical transmission, and the distance between the mechanical arm and the cutting knife is always consistent, so that the thickness of the cut veneer is uniform, and the strength difference of each position is not far, thereby being beneficial to the processing of the later veneer.

Description

Veneer cutting equipment for plywood

Technical Field

The invention relates to the technical field related to plate processing, in particular to veneer cutting equipment for plywood.

Background

Plywood processing belongs to one kind of panel processing, and traditional plywood processing generally carries out the veneer preparation processing to the timber of fixed length, can have the process of removal cutting like this to work efficiency has been reduced, and can not effectual regulation clamping device and the cutting device between the distance during general cutting, thereby the veneer that makes the cutting department has the inhomogeneous condition of thickness, so need design a section adjustable veneer cutting equipment.

Disclosure of Invention

The object of the present invention is to provide a veneer cutting apparatus for plywood, which overcomes the above-mentioned drawbacks of the prior art.

The veneer cutting equipment for the plywood comprises a machine body, wherein a cutting cavity is arranged in the machine body, a cutting device for cutting a timber pile is arranged on the upper side of the cutting cavity, the cutting device comprises an oil tank arranged on the upper side of the machine body, a first oil pipe is arranged on the lower side of the oil tank, a driving block for driving the cutting device to cut the timber pile is arranged on the lower side of the first oil pipe, a sliding cavity is arranged on the lower side of the driving block, a movable sliding block fixedly mounted with the lower side of the driving block is arranged in the sliding cavity in a sliding manner, a sliding chute is arranged in the movable sliding block, a T-shaped push rod is arranged in the sliding chute in a sliding manner, the upper side of the T-shaped push rod is arranged in the driving oil pipe in a sliding manner, a downward pressing measuring rod for measuring the thickness of a veneer cut by a blade is, the main cutting knife is internally provided with a lower sliding chute, the left side and the right side of the lower sliding chute are provided with symmetrical lower sliding rods in a sliding manner, one side of the lower sliding rod, which is far away from the lower sliding chute, is fixedly provided with an outer side push plate for pushing the lower sliding rod to move inwards, the lower sliding rod is fixedly provided with an auxiliary cutting knife for automatically adjusting the length according to the length of a timber pile, the main cutting knife at the upper side of the lower sliding chute is internally provided with a sliding groove, the left side and the right side of the sliding groove are provided with symmetrical fixed sliding rods in a sliding manner so as to prevent the auxiliary cutting knife from rotating, the fixed sliding rods and the auxiliary cutting knife are fixedly arranged, the left side and the right side of a cutting cavity are symmetrically provided with mechanical grippers for gripping the timber pile, the left side and the, the cutting chamber downside is equipped with the platform, the mobile device that can keep cutting thickness unanimous all the time when the stake cutting is installed to the platform downside.

On the basis of the technical scheme, the clamping device comprises the mechanical gripper, the left side and the right side of the mechanical gripper are symmetrically provided with mechanical arm cavities, the mechanical grab is fixedly provided with a rotating rod at one side far away from the cutting cavity, the rotating rod between the cutting cavity far away from the oil tank lateral wall body and the mechanical grab is fixedly provided with an outer side push plate for pushing the outer side push plate to move inwards, a connecting block is rotationally arranged in the bottom wall of the rotating rod, which is far away from one side of the cutting cavity, a pushing rod for pushing and clamping a timber pile is fixedly arranged on one side of the connecting block, which is far away from the cutting cavity, the left side and the right side of the oil tank are provided with second oil pipes which are symmetrically connected, a power block for driving the mechanical arm to clamp is fixedly arranged between the lower side of the second oil pipe and the push rod, the catch bar slides and sets up in the power groove, the dwang downside is equipped with and is used for the drive the arm carries out the rotation control device of rotatory cutting.

On the basis of the technical scheme, the rotation control device comprises belt wheel cavities which are arranged on the lower side of the machine body and are symmetrical to the left side and the right side of the cutting cavity, a control motor is fixedly arranged in the left side wall body of the belt wheel cavity on the left side of the cutting cavity, a driving shaft fixedly arranged on a power output shaft on the right side of the control motor is rotatably arranged between the belt wheel cavities, a first synchronous belt wheel is fixedly arranged on the driving shaft in the belt wheel cavity, a first gear cavity is arranged on one side, close to the cutting cavity, of the upper side of the belt wheel cavity, a rotating shaft is rotatably arranged between the belt wheel cavity and the first gear cavity, a second synchronous belt wheel is fixedly arranged on the rotating shaft in the belt wheel cavity, a synchronous belt is arranged between the second synchronous belt wheel and the first synchronous belt wheel, a first bevel gear is fixedly arranged on the rotating shaft in the first gear cavity, and a shaft is rotatably arranged between, first gear intracavity thereby the axle downside set firmly with the second bevel gear that first bevel gear meshing is connected, thereby the arm intracavity be equipped with the internal gear in the wall body of epaxial side, spline connection has the spline screw rod on the internal gear, downside bevel gear has set firmly on the spline screw rod, the arm intracavity spline connection has on the dwang with the spline bevel gear that downside bevel gear meshing is connected is located the side is equipped with the propelling movement ring of symmetry about the spline screw rod, be equipped with on the arm chamber downside diapire with the L shape piece of platform chucking, L shape piece upside with be equipped with the top spring between the propelling movement ring, the propelling movement ring withstands downside bevel gear downside diapire makes downside bevel gear all the time with the spline bevel gear meshing is connected.

On the basis of the technical scheme, the moving device comprises a second gear cavity arranged between the belt wheel cavities, the inner wall body of the left side of the second gear cavity is rotatably provided with a transmission box installed by rotating a driving shaft, symmetrical sliding clamping grooves are formed in the upper side wall body and the lower side wall body of the transmission box, sliding clamping blocks capable of sliding downwards and abutted against the outer wall of the transmission box are slidably arranged in the sliding clamping grooves, the sliding clamping blocks are close to one side of the driving shaft, a connecting plate abutted against a stirring plate fixedly arranged on the driving shaft is fixedly arranged on one side of the driving shaft, small springs are arranged between the upper side wall of the driving shaft and the inner wall of the transmission box and far away from the sliding clamping blocks, driving push rods are abutted against the outer side wall of one side of each sliding clamping block, driving push rods are far away from one side of the driving shaft, a spring cavity is arranged on the upper side of the second gear cavity, and a A threaded cavity is arranged in the bottom wall of the lower side of the main support shaft, a connecting shaft is rotatably arranged between the threaded cavity and the second gear cavity, a threaded block fixedly arranged on the upper side of the connecting shaft is in threaded connection in the threaded cavity, a return spring is arranged between the lower side wall body of the threaded cavity and the lower side of the threaded block, a lower bevel gear is fixedly arranged on the lower side of the connecting shaft in the second gear cavity, an outer bevel gear meshed with the lower bevel gear is fixedly arranged on the outer side wall body of the transmission case, auxiliary support rods fixedly arranged on the lower side wall of the platform are symmetrically arranged on the left side and the right side of the main support shaft, an auxiliary spring penetrating through the auxiliary support rods is arranged between the lower side of the platform and the lower side wall of the spring cavity, an upper side expansion spring is arranged in the upper side wall body of the mechanical arm cavity, the mechanical arm cavity lower side wall body is internally provided with a lower side spring cavity, and a lower side spring is arranged between the lower side spring cavity lower side bottom wall and the L-shaped block.

The invention has the beneficial effects that: the cutting device is in transmission fit with the mechanical arm, and can cut the timber pile in a 360-degree rotation manner, so that the cutting is more comprehensive, and the material utilization rate is higher; the veneer cutting machine is provided with the moving device, so that the spline bevel gear and the lower bevel gear are always in meshed connection through simple mechanical transmission, and the distance between the mechanical arm and the cutting knife is always consistent, so that the thickness of the cut veneer is uniform, and the strength difference of each position is not far, thereby being beneficial to the processing of the later veneer.

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 fresh air device for removing formaldehyde indoors according to the present invention;

FIG. 2 is an enlarged view of a portion of the invention at C in FIG. 1;

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

FIG. 4 is a cross-sectional view taken at "A-A" of FIG. 1 in accordance with the present invention;

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

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, 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 5, a veneer cutting apparatus for plywood according to an embodiment of the present invention includes a body 10, a cutting cavity 74 is provided in the body 10, a cutting device 901 for cutting a timber pile is provided on an upper side of the cutting cavity 74, the cutting device 901 includes an oil tank 14 provided on an upper side of the body 10, a first oil pipe 12 is provided on a lower side of the oil tank 14, a driving block 13 for driving the cutting device to cut the timber pile is provided on a lower side of the first oil pipe 12, a sliding cavity 16 is provided on a lower side of the driving block 13, a moving slider 72 fixedly mounted on a lower side of the driving block 13 is slidably provided in the sliding cavity 16, a sliding groove 62 is provided in the moving slider 72, a T-shaped push rod 63 is slidably provided in the sliding groove 62, an upper side of the T-shaped push rod 63 is slidably mounted in the driving oil pipe 48, a pressing measurement rod 64 for measuring a thickness of a veneer cut by a blade is fixedly, a main cutting knife 73 is fixedly arranged at the rear side of the movable sliding block 72, a lower sliding groove 71 is arranged in the main cutting knife 73, symmetrical lower sliding rods 70 are movably arranged on the left side and the right side of the lower sliding groove 71, an outer side push plate 66 used for pushing the lower sliding rod 70 to move inwards is fixedly arranged on one side, away from the lower sliding groove 71, of the lower sliding rod 70, an auxiliary cutting knife 68 used for automatically adjusting the length according to the length of a timber pile is fixedly arranged on the lower sliding rod 70, a sliding groove 69 is arranged in the main cutting knife 73 on the upper side of the lower sliding groove 71, symmetrical fixed sliding rods 67 are movably arranged on the left side and the right side of the sliding groove 69 and can prevent the auxiliary cutting knife 68 from rotating, the fixed sliding rod 67 and the auxiliary cutting knife 68 are fixedly installed, mechanical grippers 47 used for gripping the timber pile are symmetrically arranged on the left side and the right side of the cutting cavity 74, the mechanical arm 902 comprises a clamping device 801 and a rotation control device 802, a platform 36 is arranged on the lower side of the cutting cavity 74, and a moving device 903 capable of keeping the cutting thickness consistent all the time when the timber pile is cut is installed on the lower side of the platform 36.

In addition, in one embodiment, the clamping device 801 includes the mechanical gripper 47, the mechanical gripper 47 is symmetrically provided with a mechanical arm cavity 21 on the left and right sides, the mechanical gripper 47 is away from one side of the cutting cavity 74, a rotating rod 20 is fixedly provided on the cutting cavity 74, the rotating rod 20 between the cutting cavity 74 and one side wall body of the oil tank 14 is fixedly provided with an outer side pushing plate 65 for pushing the outer side pushing plate 66 to move inwards, a connecting block 56 is rotatably provided in the bottom wall of the rotating rod 20 on the side away from the cutting cavity 74, a push rod 15 for pushing and clamping a timber pile is fixedly provided on the side of the connecting block 56 away from the cutting cavity 74, the oil tank 14 is symmetrically provided with second oil pipes 11 on the left and right sides, a power block 24 for driving the mechanical arm 902 to clamp is fixedly provided between the lower side of the second oil pipe 11 and the push rod 15, the catch bar 15 slides and sets up in the power groove 23, the dwang 20 downside is equipped with and is used for the drive the rotatory controlling means 802 that arm 902 carries out the rotation cutting, when the oil tank 14 was opened, hydraulic oil flowed in the power block 24 through second oil pipe 11 from the oil tank 14, and power block 24 drive catch bar 15 removes to cutting chamber 74 one side, and catch bar 15 promotes dwang 20 and removes to cutting chamber 74 one side to make machinery grab 47 and press from both sides the timber pile that needs the cutting tightly.

In addition, in one embodiment, the rotation control device 802 includes pulley cavities 32 disposed at the lower side of the machine body 10 and symmetrical to each other with respect to the left and right sides of the cutting cavity 74, a control motor 30 is fixedly disposed in the left sidewall of the pulley cavity 32 located at the left side of the cutting cavity 74, a driving shaft 34 fixedly disposed on the right power output shaft of the control motor 30 is rotatably disposed between the pulley cavities 32, a first synchronous pulley 31 is fixedly disposed on the driving shaft 34 in the pulley cavity 32, a first gear cavity 27 is disposed at the upper side of the pulley cavity 32 close to the cutting cavity 74, a rotating shaft 75 is rotatably disposed between the pulley cavity 32 and the first gear cavity 27, a second synchronous pulley 28 is fixedly disposed on the rotating shaft 75 in the pulley cavity 32, a synchronous belt 33 is disposed between the second synchronous pulley 28 and the first synchronous pulley 31, a first bevel gear 26 is fixedly disposed on the rotating shaft 75 in the first gear cavity 27, a shaft 76 is rotatably arranged between the arm cavity 21 and the first gear cavity 27, a second bevel gear 25 engaged with the first bevel gear 26 is fixedly arranged on the lower side of the shaft 76 in the first gear cavity 27, an internal gear 61 is arranged in the wall body on the upper side of the shaft 76 in the arm cavity 21, a spline screw 60 is connected to the internal gear 61 through a spline, a lower bevel gear 57 is fixedly arranged on the spline screw 60, a spline bevel gear 22 engaged with the lower bevel gear 57 is connected to the rotating rod 20 in the arm cavity 21 through a spline, symmetrical push rings 58 are arranged on the left side and the right side of the spline screw 60, an L-shaped block 19 clamped with the platform 36 is arranged on the bottom wall on the lower side of the arm cavity 21, a top spring 59 is arranged between the upper side of the L-shaped block 19 and the push ring 58, and the push ring 58 abuts against the bottom wall on the lower side of the lower bevel gear 57, the lower bevel gear 57 is always engaged with the spline bevel gear 22, when the control motor 30 is started, the driving shaft 34 is driven to rotate, the driving shaft 34 rotates to drive the first synchronous pulley 31 to rotate, the first synchronous pulley 31 rotates to drive the synchronous belt 33 to rotate, the synchronous belt 33 rotates to drive the second synchronous pulley 28 to rotate, the second synchronous pulley 28 rotates to drive the rotating shaft 75 to rotate, the rotating shaft 75 rotates to drive the first bevel gear 26 to rotate, the first bevel gear 26 rotates to drive the second bevel gear 25 to rotate, the second bevel gear 25 rotates to drive the shaft 76 to rotate, so that the shaft 76 rotates to drive the spline screw 60 to rotate, the spline screw 60 rotates to drive the lower bevel gear 57 to rotate, the lower bevel gear 57 rotates to drive the spline bevel gear 22 to rotate, the spline bevel gear 22 rotates to drive the rotating rod 20 to rotate, the rotating rod 20 rotates to drive the mechanical gripper 47 to, and cut through cutting device 901, can make the stake carry out platform 3 spline screw rod 60 rotatory cutting to make more comprehensive of cutting, material utilization is higher.

In addition, in one embodiment, the moving device 903 includes a second gear cavity 51 disposed between the pulley cavities 32, a transmission case 52 rotatably mounted on the driving shaft 34 is rotatably disposed in a left sidewall of the second gear cavity 51, symmetrical sliding slots 77 are disposed in upper and lower sidewalls of the transmission case 52, a sliding block 78 capable of sliding downward and abutting against an outer wall of the transmission case 52 is slidably disposed in the sliding slot 77, a connecting plate 55 abutting against a toggle plate 79 fixedly disposed on the driving shaft 34 is fixedly disposed on a side of the sliding block 78 close to the driving shaft 34, a small spring 54 is disposed between a side of the connecting plate 55 far from the driving shaft 34 and an inner wall of the transmission case 52, a driving push rod 49 abuts against an outer wall of the sliding block 78 far from the side of the sliding block 78, and a driving oil pipe 48 is disposed on a side of the driving push rod 49 far from the driving shaft 34, a spring cavity 35 is arranged on the upper side of the second gear cavity 51, a main support shaft 40 rotatably mounted on the bottom wall of the lower side of the platform 36 is arranged between the spring cavity 35 and the second gear cavity 51, a threaded cavity 41 is arranged in the bottom wall of the lower side of the main support shaft 40, a connecting shaft 45 is rotatably arranged between the threaded cavity 41 and the second gear cavity 51, a threaded block 43 fixedly mounted on the upper side of the connecting shaft 45 is connected in the threaded cavity 41 in a threaded manner, a return spring 44 is arranged between the lower side wall body of the threaded cavity 41 and the lower side of the threaded block 43, a lower bevel gear 50 is fixedly arranged on the lower side of the connecting shaft 45 in the second gear cavity 51, an outer bevel gear 53 meshed with the lower bevel gear 50 is fixedly arranged on the outer side wall body of the transmission case 52, and auxiliary support rods 37 fixedly mounted on the bottom wall of the lower side of the platform 36 are symmetrically, an auxiliary spring 38 penetrating through the auxiliary support rod 37 is arranged between the lower side of the platform 36 and the lower side bottom wall of the spring cavity 35, an upper side expansion spring 18 is arranged in the upper side wall body of the mechanical arm cavity 21, an upper side spring cavity 17 is arranged between the upper side wall body of the upper side expansion spring 18 and the L-shaped block 19, a lower side spring cavity 29 is arranged in the lower side wall body of the mechanical arm cavity 21, a lower side spring 46 is arranged between the lower side bottom wall of the lower side spring cavity 29 and the L-shaped block 19, when the cutting thickness of a wood pile clamped by the cutting device 901 and the mechanical arm 902 is adjusted, the rotation control device 802 rotates to be matched with a blade for cutting, when the cutting thickness is changed in the cutting process, the distance for pressing the wood pile by pressing the measuring rod 64 is changed, when the driving shaft 34 rotates, the poking plate 79 rotates to drive, the sliding fixture block 78 rotates to drive the transmission case 52 to rotate, the transmission case 52 rotates to drive the outer bevel gear 53 to rotate, the outer bevel gear 53 rotates to drive the lower bevel gear 50 to rotate, the lower bevel gear 50 rotates to drive the connecting shaft 45 to rotate, the connecting shaft 45 rotates to drive the thread block 43 to rotate, the thread block 43 rotates to drive the main support shaft 40 to rotate to move upwards, so that the platform 36 is driven to move upwards, the L-shaped block 19 is driven to move upwards, the mechanical arm 902 is driven to move upwards to keep the cutting thickness consistent all the time, the thickness of the cut veneer is uniform, and the strength difference of each part is not far beneficial to the processing of the plywood in the later.

In the initial state, the T-shaped push rod 63 is located below the slide groove 62, the push rod 15 is located outside the power groove 23, and the toggle plate 79 abuts against the link plate 55.

When a timber pile is clamped, the oil tank 14 is firstly opened, hydraulic oil flows into the power block 24 through the second oil pipe 11, the power block 24 drives the push rod 15 to move towards one side of the cutting cavity 74, and the push rod 15 pushes the rotating rod 20 to move towards one side of the cutting cavity 74, so that the mechanical gripper 47 clamps the timber pile to be cut.

When the timber pile is cut in a rotating way, the oil tank 14 is started to enable the cutting device 901 and the timber pile clamped by the mechanical arm 902 to be adjusted to cut the timber pile, the control motor 30 is started to enable the rotating control device 802 to rotate to be matched with the blade to cut the timber pile, when the cutting thickness is changed in the cutting process, the distance for pressing the measuring rod 64 to press the timber pile is changed, when the driving shaft 34 rotates, the poking plate 79 is driven to rotate, the poking plate 79 rotates to drive the connecting plate 55 to rotate, the connecting plate 55 rotates to drive the sliding clamping block 78 to rotate, the sliding clamping block 78 rotates to drive the transmission box 52 to rotate, the transmission box 52 rotates to drive the outer bevel gear 53 to rotate, the outer bevel gear 53 rotates to drive the lower bevel gear 50 to rotate, the lower bevel gear 50 rotates to drive the connecting shaft 45 to rotate, the connecting shaft 45 rotates to drive the thread block 43, thereby drive platform 36 rebound to drive L-shaped piece 19 rebound, thereby drive arm 902 rebound and keep the cutting thickness unanimous throughout, thereby make the veneer thickness of cutting even, the intensity of each department all differs by a little and is favorable to the processing of the plywood in later stage.

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 principle of the present invention are intended to be included therein.

Claims

1. A veneer cutting apparatus for plywood, comprising a machine body, characterized in that: the cutting device comprises an oil tank arranged on the upper side of the machine body, a first oil pipe is arranged on the lower side of the oil tank, a driving block used for driving the cutting device to cut the timber pile is arranged on the lower side of the first oil pipe, a sliding cavity is arranged on the lower side of the driving block, a movable sliding block fixedly mounted on the lower side of the driving block is arranged in the sliding cavity in a sliding mode, a sliding chute is arranged in the movable sliding block, a T-shaped push rod is arranged in the sliding chute in a sliding mode, the upper side of the T-shaped push rod is arranged in the driving oil pipe in a sliding mode, a pressing measuring rod used for measuring the thickness of the cutting single plate of the blade is fixedly arranged on the lower side of the T-shaped push rod, a main cutting knife is fixedly arranged on the rear side of the movable sliding block, a lower sliding chute is arranged in the main cutting knife, an outer side push plate for pushing the lower side sliding rod to move inwards is fixedly arranged on one side of the lower side sliding rod away from the lower side sliding groove, an auxiliary cutting knife for automatically adjusting the length according to the length of the timber pile is fixedly arranged on the lower side sliding rod, the main cutting knife on the upper side of the lower sliding chute is internally provided with a sliding chute, the left side and the right side of the sliding chute are provided with symmetrical fixed sliding rods in a sliding way, so that the auxiliary cutting knife can be prevented from rotating, the fixed slide bar is fixedly installed with the auxiliary cutting knife, mechanical grippers for gripping the timber pile are symmetrically arranged on the left side and the right side of the cutting cavity, the left side and the right side of the mechanical grab are fixedly provided with mechanical arms for controlling the mechanical grab to clamp and rotate, the mechanical arm comprises a clamping device and a rotation control device, a platform is arranged at the lower side of the cutting cavity, and a moving device capable of always keeping the cutting thickness consistent when the timber pile is cut is installed on the lower side of the platform.

2. Veneer cutting apparatus for plywood according to claim, characterized in that: the clamping device comprises the mechanical gripper, the left side and the right side of the mechanical gripper are symmetrically provided with mechanical arm cavities, the mechanical grab is fixedly provided with a rotating rod at one side far away from the cutting cavity, the rotating rod between the cutting cavity far away from the oil tank lateral wall body and the mechanical grab is fixedly provided with an outer side push plate for pushing the outer side push plate to move inwards, a connecting block is rotationally arranged in the bottom wall of the rotating rod, which is far away from one side of the cutting cavity, a pushing rod for pushing and clamping a timber pile is fixedly arranged on one side of the connecting block, which is far away from the cutting cavity, the left side and the right side of the oil tank are provided with second oil pipes which are symmetrically connected, a power block for driving the mechanical arm to clamp is fixedly arranged between the lower side of the second oil pipe and the push rod, the catch bar slides and sets up in the power groove, the dwang downside is equipped with and is used for the drive the arm carries out the rotation control device of rotatory cutting.

3. Veneer cutting apparatus for plywood according to claim, characterized in that: the rotation control device comprises belt wheel cavities which are arranged on the lower side of the machine body and are symmetrical to the left side and the right side of the cutting cavity, a control motor is fixedly arranged in the left side wall body of the belt wheel cavity on the left side of the cutting cavity, a driving shaft fixedly arranged with a power output shaft on the right side of the control motor is rotatably arranged between the belt wheel cavities, a first synchronous belt wheel is fixedly arranged on the driving shaft in the belt wheel cavity, a first gear cavity is arranged on one side, close to the cutting cavity, of the upper side of the belt wheel cavity, a rotating shaft is rotatably arranged between the belt wheel cavity and the first gear cavity, a second synchronous belt wheel is fixedly arranged on the rotating shaft in the belt wheel cavity, a synchronous belt is arranged between the second synchronous belt wheel and the first synchronous belt wheel, a first bevel gear is fixedly arranged on the rotating shaft in the first gear cavity, and a shaft is rotatably arranged between the, first gear intracavity thereby the axle downside set firmly with the second bevel gear that first bevel gear meshing is connected, thereby the arm intracavity be equipped with the internal gear in the wall body of epaxial side, spline connection has the spline screw rod on the internal gear, downside bevel gear has set firmly on the spline screw rod, the arm intracavity spline connection has on the dwang with the spline bevel gear that downside bevel gear meshing is connected is located the side is equipped with the propelling movement ring of symmetry about the spline screw rod, be equipped with on the arm chamber downside diapire with the L shape piece of platform chucking, L shape piece upside with be equipped with the top spring between the propelling movement ring, the propelling movement ring withstands downside bevel gear downside diapire makes downside bevel gear all the time with the spline bevel gear meshing is connected.

4. Veneer cutting apparatus for plywood according to claim, characterized in that: the moving device comprises a second gear cavity arranged between the belt wheel cavities, a transmission case rotatably mounted with the driving shaft is rotatably arranged in the wall body on the left side of the second gear cavity, symmetrical sliding clamping grooves are formed in the upper side wall body and the lower side wall body of the transmission case, a sliding clamping block capable of sliding downwards and abutted against the outer wall of the transmission case is slidably arranged in the sliding clamping grooves, a connecting plate abutted against a stirring plate fixedly arranged on the driving shaft is fixedly arranged on one side, close to the driving shaft, of the sliding clamping block, a small spring is arranged between one side, far away from the driving shaft, of the connecting plate and the inner wall of the transmission case, a driving push rod is abutted against the side wall of the sliding clamping block, far away from the sliding clamping block, the driving push rod is externally provided with a driving oil pipe on one side, far away from the driving shaft, a spring cavity is arranged on the upper side of the second, a threaded cavity is arranged in the bottom wall of the lower side of the main support shaft, a connecting shaft is rotatably arranged between the threaded cavity and the second gear cavity, a threaded block fixedly installed on the upper side of the connecting shaft is in threaded connection in the threaded cavity, a return spring is arranged between the lower side wall body of the threaded cavity and the lower side of the threaded block, a lower bevel gear is fixedly arranged on the lower side of the connecting shaft in the second gear cavity, an outer bevel gear meshed with the lower bevel gear is fixedly arranged on the outer side wall body of the transmission case, auxiliary support rods fixedly installed on the lower side wall of the platform are symmetrically arranged on the left side and the right side of the main support shaft, an auxiliary spring penetrating through the auxiliary support rods is arranged between the lower side of the platform and the lower side wall of the spring cavity, an upper side expansion spring is arranged in the upper side wall body of the mechanical arm cavity, the mechanical arm cavity lower side wall body is internally provided with a lower side spring cavity, and a lower side spring is arranged between the lower side spring cavity lower side bottom wall and the L-shaped block.