CN223777400U - Automatic machine for making chopsticks - Google Patents

Abstract

The utility model discloses an automatic chopstick sheet material dispenser which comprises a machine table, a material table, a cutting device, a feeding system, a discharging system and a control module. The feeding system comprises a feeding bin and a feeding mechanism, wherein the feeding bin is fixed above the machine table, the bottom of the feeding bin is provided with a first telescopic executing piece and a second telescopic executing piece which are respectively used for supporting the bottommost sheet material and the second sheet material at the side pressure bottom when the feeding bin stretches out, and the control module controls the feeding bin and the second telescopic executing piece to realize sheet-by-sheet falling of the sheet material in a matched and telescopic mode. The feeding mechanism comprises a width positioning device and a material ejection device, wherein the width positioning device limits the Y-direction position and the cutting angle of the sheet material through two groups of screw rod motors, the material ejection device comprises a material ejection actuator and a double-layer material ejection assembly, the double-layer material ejection assembly enables an upper layer top plate and a lower layer top plate to relatively move in the Y direction through adjusting gears, and the two layers of top plates respectively independently push the corresponding sheet material to realize layered accurate positioning. The utility model realizes the whole process automation from feeding, cutting to discharging, has high working efficiency and high control precision, and ensures the consistency of finished products.

Description

Automatic machine for making chopsticks

Technical Field

The utility model relates to the technical field of chopstick processing equipment, in particular to an automatic chopstick sheet material expenditure machine.

Background

Along with globalization and propagation of Chinese catering culture, the demand of chopsticks is increasing, and meanwhile, continuous progress of production technology promotes the development of chopsticks production equipment to an automation and high efficiency direction, which has become an important trend of industry development. However, at present, the production of domestic chopsticks, especially the traditional chopsticks with big and small heads, still mainly depends on manual operation, which not only has high labor intensity and low working efficiency, but also is difficult to ensure the consistent sizes of the chopsticks. The production process of the chopsticks with the big and small heads mainly comprises the procedures of opening, branching, planing, polishing, removing edges and corners and the like, wherein the opening procedure is to cut a plate material into pieces with one wide end and one narrow end, the branching is a second procedure, the pieces with the wide end and the narrow end are cut into a pair of basically molded chopsticks, and the forward projections of the four sides of the finished product cut by the branching procedure are trapezoidal.

Chinese patent publication No. CN220741493U discloses a wood fiber chopsticks branching device, which comprises a frame, saw cut the device, make the orientation device of wood fiber board along predetermined orbit activity and be used for propelling movement wood fiber board pusher of wood fiber board be equipped with in the frame, saw cut the device fixed mounting on the first removal base of slip table device, slip table device rotatable mounting is on the support, support fixed mounting is in the frame, slip table device's one end is installed and is made slip table device pivoted drive arrangement. Compared with the traditional manual operation, the device has the advantages that the working efficiency is high, but the device still has the defects that 1, after the pushing device pushes out the plate, the plate is pressed by the spring pressing plate to limit the vertical position, but the horizontal position cannot ensure the accuracy due to the difference of the plate size and vibration in the cutting process, the shape and the size of a finished product cannot be consistent, 2, only one plate can be pushed out at one time, the working efficiency is low, and 3, the degree of automation is low.

Disclosure of utility model

The utility model aims to solve the technical problems and provide the automatic chopstick sheet material expenditure machine, which automatically completes the branching process of the chopstick sheet material in the whole process from feeding, cutting to discharging, has high automation degree, high working efficiency and high control precision, and ensures the consistency of finished products.

The technical scheme of the utility model is as follows:

An automatic chopstick sheet material dispenser, which is characterized by comprising:

An automatic chopstick sheet material spending machine comprises a machine table, a material table, a cutting device, a feeding system, a discharging system and a control module, wherein an X direction of a coordinate system is defined as a cutting feeding direction, a Y direction is a horizontal direction vertical to the X direction, and a Z direction is a vertical direction vertical to an XY plane;

The cutting device is used for cutting the sheet materials along the X direction and comprises a saw blade and a first driving motor for driving the saw blade to rotate, the saw blade is perpendicular to the Y direction, the feeding device is used for driving the relative motion between the material table and the saw blade in the X direction so as to realize cutting, the feeding system is used for conveying the sheet materials to the cutting position of the material table, the discharging system is used for outputting a cut finished product, and the control module is respectively in communication connection with the cutting device, the feeding system and the discharging system and is used for controlling the operation of the cutting device, the feeding system and the discharging system according to preset programs and parameters;

Characterized in that the feeding system comprises:

The feeding bin is fixedly arranged above the machine table and is used for accommodating a plurality of layers of stacked sheets, the bottom of the feeding bin forms an open structure, a first telescopic driving device and a second telescopic driving device are arranged at the bottom of the feeding bin, the first telescopic driving device and the second telescopic driving device are respectively provided with a first telescopic executing piece and a second telescopic executing piece, the installation position of the second telescopic executing piece is higher than that of the first telescopic executing piece, the first telescopic executing piece is used for supporting the bottommost sheet in an extending state, and the second telescopic executing piece is used for applying lateral pressure to the bottom second sheet in the extending state;

The feeding mechanism comprises a width positioning device and a jacking device which are arranged on the material table and are respectively positioned on two sides of the material table in the Y direction of the sheet material to be branched; the width positioning device is provided with two groups, each group of width positioning device comprises a screw rod motor, the two screw rod motors are respectively positioned on the side surfaces of two X-direction ends of the sheet, screw rod shafts of the two screw rod motors are arranged along the Y direction, the ends of the two screw rod shafts respectively limit the Y-direction positions of the two X-direction ends of the sheet during cutting, so as to limit the cutting angle, the two groups of screw rod motors are arranged on the two screw rod motors in the X-direction positions, the two groups of screw rod motors are used for pushing the sheet to be branched to at least indirectly abut against the screw rod shafts of the two screw rod motors along the Y direction, each group of screw rod motors comprises a screw rod actuator and a double-layer screw rod assembly used for simultaneously pushing the two sheet, the double-layer screw rod assembly comprises a screw rod block, an adjusting gear and an upper layer top plate and a lower layer top plate which are stacked up and down, the screw rod block is connected with the output ends of the screw rod actuator, the adjusting gear is horizontally rotatably arranged in the screw rod block, one ends of the upper layer top plate and the lower layer top plate face the side edges of the sheet to be branched, the other ends of the upper layer top plate and the lower layer top plate are respectively provided with adjusting racks, the adjusting racks are respectively meshed with the adjusting racks on the X-direction two sides of the adjusting gears, the adjusting racks respectively, the upper layer top plate and the lower layer top plate are correspondingly arranged on the two upper layer top plate and lower layer top plate and the upper layer top plate and lower layer top plate are correspondingly arranged on the upper layer top rod, and the upper layer top plate, and lower layer top plate and the control rods are used for setting and control the control roller and can move correspondingly to push the control roller.

The feeding mechanism is used for carrying out width positioning through linkage expansion of two screw rod motors and simultaneously carrying out double-layer ejection assembly, so that the cutting angle can be accurately positioned in a layered manner to ensure the cutting angle, a finished product can be continuously cut according to a set track, and two sheets can be simultaneously carried for cutting, thereby remarkably improving the processing efficiency and the consistency of the finished product. The control module coordinates the action coordination of the feeding system, the cutting device, the feeding system and the discharging system uniformly, realizes the whole-course digital control and automatic production from feeding to cutting and discharging, automatically completes the branching process of the chopstick sheets, greatly improves the production efficiency, has high control precision and improves the quality of products.

As an optimization, in the automatic chopstick sheet material spending machine, the material table is provided with the height limiting baffle plate, the height limiting baffle plate is arranged on one side of the blanking position close to the width positioning device, a material ejection channel is formed between the limiting part of the height limiting baffle plate and the surface of the material table, and the height of the material ejection channel only allows two layers of sheet materials to pass through.

Further, in the automatic chopstick sheet material dispenser, each group of the width positioning devices further comprises a positioning rod, wherein the positioning rods are arranged on the material table in a sliding manner along the Y direction and are positioned between the screw rod shaft of the screw rod motor and the sheet material to be branched, and after the ejection actuator pushes, two ends of the positioning rods are respectively abutted with the screw rod shaft of the screw rod motor and the side edges of the sheet material to be branched.

Further, in the automatic chopstick sheet material expense machine, the feeding system further comprises a first material pressing device and a second material pressing device which are respectively arranged on two sides of the cutting line of the saw blade, wherein the first material pressing device and the second material pressing device respectively comprise at least one material pressing actuator fixedly arranged on the material table and a material pressing plate connected to the output end of the material pressing actuator, and the material pressing actuators are used for driving the material pressing plate to move downwards along the Z direction to press the sheet material on the material table. The two groups of pressing devices are arranged to respectively press the plates on two sides of the cutting line in the cutting process, so that the stability of the cutting process is improved.

As an optimization, in the automatic chopstick sheet material expense machine, the first material pressing device is located on one side, close to the screw rod motor, of the cutting line, the material pressing actuator of the first material pressing device is connected with the material pressing plate of the first material pressing device through the connecting arm, the upper end of the connecting arm is fixedly connected with the output end of the material pressing actuator of the connecting arm, and the lower end of the connecting arm is rotatably connected with the material pressing plate of the connecting arm through the rotating pin arranged in the Y direction. The pressing plate is connected through the rotation pin in a rotating mode, the gesture of the pressing plate can be adjusted in a self-adaptive mode according to the inclination angle of the surface of the sheet material, and the pressing effect is guaranteed.

In the automatic chopstick sheet material dispenser, the material table is further provided with a length positioning plate and a side ejection device which are respectively positioned at two sides of the sheet material to be branched in the X direction, the length positioning plate is perpendicular to the X direction and positioned at one side of the sheet material in the X direction, the side ejection device comprises a side ejection actuator arranged at the other side of the sheet material in the X direction, and the side ejection actuator is used for pushing the sheet material to be branched to be abutted with the length positioning plate in the X direction. The length locating plate is matched with the side ejection device, so that the position of the sheet material in the X direction can be kept the same when the sheet material is cut every time, and the cutting precision and the consistency of the size of a finished product are ensured.

Further, in the automatic chopstick sheet material dispenser, the material table is driven by the feeding device to move along the X direction, the saw blade is fixedly arranged on the moving path of the material table, the feeding device comprises a feeding guide rail and a feeding driving mechanism, the feeding guide rail is fixedly arranged on the machine table along the X direction, and the material table is arranged on the feeding guide rail in a sliding manner and driven by the feeding driving mechanism to reciprocate along the feeding guide rail.

In the automatic chopstick sheet material dispenser, the material platform consists of a first side material platform, a middle material platform and a second side material platform which are sequentially arranged in parallel along the Y direction, the middle material platform is positioned below the feeding bin, the middle material platform and the first side material platform are respectively positioned at two sides of the cutting line, a feeding gap for a saw blade to pass through is formed between the middle material platform and the first side material platform, the feeding device comprises at least two feeding guide rails which are arranged at two sides of the table surface of the machine platform in parallel, the first side material platform and the second side material platform are respectively arranged on the feeding guide rails at two sides in a sliding manner, and the middle material platform is fixed with the first side material platform and the second side material platform in the X direction and can be driven by a retracting actuator to reciprocate between the first side material platform and the second side material platform in the Y direction. In the process of returning the cutting completion material table, the tool withdrawal actuator drives the middle material table to be far away from the first side material table, and can avoid the saw blade rotating at high speed in the return stroke, so that the contact between the saw blade and the material table or the residual sheet materials is avoided, the operation safety is improved, and the service life of equipment is prolonged.

Further, in the automatic chopstick sheet material dispenser, the discharging system comprises a clamping device, a discharging guide rail and a discharging driving device, the discharging guide rail is fixedly arranged along the X direction, a discharging port is formed in a machine table on one side of the discharging guide rail Y direction, the clamping device is used for clamping and releasing a cut finished product, the clamping device is arranged on the discharging guide rail in a sliding mode and driven by the discharging driving device to reciprocate along the discharging guide rail so as to convey the cut finished product to the discharging port, and the control module is electrically connected with the discharging driving device and the clamping device. Through setting up the integrated configuration of clamping device and ejection of compact guide rail, can carry the finished product automatic conveying that the cutting was accomplished to the discharge gate, improve production efficiency and degree of automation.

Further, in the automatic chopstick sheet material dispenser, the material clamping device comprises a base, a material clamping component and a lifting module, wherein the base is arranged on the discharging guide rail in a sliding mode and is connected with the discharging driving device, the material clamping component comprises a clamping head body clamped in the Y direction and a material clamping actuator used for driving the clamping head body to clamp, the lifting module is used for driving the material clamping component to lift along the Z direction, the lifting module comprises a lifting plate movably connected to the upper portion of the base and a lifting actuator used for driving the lifting plate to lift along the Z direction, and the material clamping component is at least indirectly installed on the lifting plate. The lifting module is arranged to adjust the height of the clamping head body of the clamping assembly up and down so as to adapt to different sheet heights.

The beneficial effects of the utility model are as follows:

1. The feeding system adopts an innovative structural design, wherein the feeding bin realizes automatic piece-by-piece discharging of the sheet materials through the coordinated movement of the first telescopic executive component and the second telescopic executive component, and the feeding mechanism adopts a double-layer material ejection component to carry and position in cooperation with the width positioning device, so that the automatic feeding of the sheet materials and the synchronous cutting of the double-layer sheet materials are realized, and the production efficiency is obviously improved;

2. Setting a width positioning device, a length positioning plate, a pressing device with a self-adaptive adjusting function and the like, wherein multiple positioning mechanisms work cooperatively to jointly ensure that the sheet material is stably and accurately positioned in the cutting process, so that the consistency and the processing quality of a finished product are improved;

3. The control module uniformly coordinates the operation of each mechanism of the feeding system, the cutting device, the feeding device and the discharging system, realizes the whole-process digital control and automatic production from feeding, cutting to discharging, and automatically completes the branching process of the chopstick sheets, thereby not only remarkably reducing the labor intensity of manpower, improving the production efficiency, but also having high control precision, improving the quality of products, and simultaneously having reasonable structural design of equipment and high safety and reliability.

Drawings

FIG. 1 shows a sheet, a finished product and a cutting path processed according to an embodiment of the present utility model.

Fig. 2 is a perspective view of the front face of the embodiment of the present utility model.

Fig. 3 is a perspective view of the back surface of the embodiment of the present utility model.

Fig. 4 is a perspective view of the rear front face of the cabinet with the hood removed in accordance with an embodiment of the present utility model.

Fig. 5 is a perspective view of the rear face of the cabinet with the hood removed in accordance with an embodiment of the present utility model.

Fig. 6 is a top view of an embodiment of the utility model with the hood and cabinet removed.

FIG. 7 is an exploded block diagram of a feed bin in an embodiment of the utility model.

Fig. 8 is a first block diagram of a material stage according to an embodiment of the present utility model.

Fig. 9 is a second block diagram of a material stage according to an embodiment of the present utility model.

Fig. 10 is an enlarged view at P in fig. 9.

Fig. 11 is an exploded view of a dual layer ejector assembly in accordance with an embodiment of the present utility model.

Fig. 12 is a block diagram of a discharge system in an embodiment of the present utility model.

Fig. 13 is a structural diagram of a material clamping device in an embodiment of the present utility model.

FIG. 14 is a block diagram of a nip assembly with a mounting bracket removed in accordance with an embodiment of the present utility model.

In the figure, 10, a machine table; 11, sheet materials; 12, a finished product; 13, cabinet, 14, hood, 15, touch screen, 16, positive and negative barometer, 17, start switch, 18, signal lamp, 21, saw blade, 22, first drive motor, 23, cutting seat, 24, rotating shaft, 25, waste port, 26, waste hopper, 27, dust pipe, 28, cover plate, 31, feed guide rail, 32, travel induction switch, 33, second drive motor, 34, second pulley transmission mechanism, 4, stock table, 41, first side stock table, 42, middle stock table, 43, second side stock table, 44, feed gap, 45, retract actuator, 46, connecting plate, 47, guide connection structure, 51, bin, 511, adjusting baffle, 52, feed base, 53, first telescopic drive, 531, first telescopic actuator, 54, second telescopic drive, 55, inductor, 61, positioning rod, 62, guide, 63, lead screw motor, 64, top stock actuator, 65, top stock block, 66, adjusting gear, 67, upper layer, 68, lower plate, 69, upper plate, 69, lower plate, upper plate, lower plate, upper plate, upper plate, plates, plates, lifting plate 952, lifting actuator 953, telescopic rod 96, third driving motor 97, third driving block 98 and third belt wheel driving mechanism.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings and examples:

In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "front," "rear," "inner," "outer," and the like are used for convenience in describing the present utility model based on the orientation or positional relationship shown in the drawings, and are not to be construed as limiting the utility model, but rather as indicating or implying that the device or element being referred to must have a particular orientation.

The automatic chopstick sheet material expenditure machine provided by the embodiment is suitable for an automatic expenditure procedure of the chopstick sheet material 11, and is particularly suitable for automatically cutting the wide and narrow head sheet material 11 into a pair of basically formed chopsticks. As shown in fig. 1, two ends of a wide-and-narrow-head chopstick sheet 11 are divided into an end E and an end F, four sides are sequentially divided into A, B, C, D sides, wherein the end E is a wide end, the end F is a narrow end, forward projections of the surfaces a and C are rectangular, forward projections of the surfaces B and D are trapezoidal, the chopstick sheet automatic expense machine cuts the sheet 11 according to the illustrated track, and forward projections of the four sides of a cut finished product 12 are trapezoidal.

As shown in fig. 2, the automatic chopstick sheet expense machine of the embodiment comprises a machine table 10, a material table 4, a cutting device, a feeding system and a discharging system which are arranged on the machine table 10, and a control module which is respectively in communication connection with the cutting device, the feeding system and the discharging system and is used for controlling the operation of the cutting device, the feeding system and the discharging system according to preset programs and parameters. To help describe the structure and movement direction of each component more clearly, a coordinate system is first defined, wherein the X-direction is defined as the cutting feed direction, the Y-direction is the horizontal direction perpendicular to the X-direction, and the Z-direction is the vertical direction perpendicular to the XY-plane.

As shown in fig. 4, 5 and 6, the material stage 4 is disposed on the machine table 10 for carrying the sheet material 11 to be branched on the XY plane, the cutting device is for cutting the sheet material 11 on the material stage 4 in the X direction, the cutting device includes a saw blade 21 and a first driving motor 22 for driving the saw blade 21 to rotate, and the feeding device is for driving the relative movement between the material stage 4 and the saw blade 21 in the X direction to effect cutting, and an X-direction straight line formed when the saw blade 21 performs cutting is defined as a cutting line. In this embodiment, the table 4 is arranged to be movable in the X-direction by a feeding device, and the saw blade 21 is fixedly mounted on the movement path of the table 4, the saw blade 21 being arranged perpendicular to the Y-direction with its cutting plane coinciding with the XZ-plane.

Specifically, the feeding device includes a feeding guide rail 31 and a feeding driving mechanism, the feeding guide rail 31 is fixedly arranged on the table surface of the machine table 10 along the X direction, the material table 4 is slidably arranged on the feeding guide rail 31, and the feeding guide rail 31 is driven by the feeding driving mechanism to reciprocate along the feeding guide rail 31. The feeding device further comprises travel induction switches 32 arranged at both ends of the feeding guide rail 31 for sensing the position of the material table 4 to control the action of the feeding driving mechanism. In this embodiment, the feeding driving mechanism includes a second driving motor 33, a second pulley transmission mechanism 34 and a second transmission block, the transmission belt of the second pulley transmission mechanism 34 is parallel to the feeding guide rail 31, the second transmission block is fixed on the transmission belt and fixedly connected with the material table 4, and the output shaft of the second driving motor 33 is connected with the second pulley transmission mechanism 34 to drive the transmission belt to move, so as to drive the material table 4 to move along the feeding guide rail 31. The second driving motor 33 in this embodiment is a servo motor, and is fixedly installed below the machine 10, and a motor shaft thereof passes through the machine 10 upwards and is connected with the second pulley transmission mechanism 34. In other embodiments, the feeding driving mechanism may also be an air cylinder or a hydraulic cylinder, and a piston rod of the air cylinder is connected with the material table 4, so as to drive the material table 4 to move.

The cutting device further comprises a cutting seat 23 and a rotating shaft 24 rotatably supported on the cutting seat 23, the cutting seat 23 is fixed with the machine table 10, the rotating shaft 24 is arranged along the Y direction, one end of the rotating shaft is fixedly provided with the saw blade 21, the other end of the rotating shaft is connected with an output shaft of the first driving motor 22 through a belt wheel or chain wheel transmission mechanism, and the first driving motor 22 is fixedly arranged below the machine table 10. In order to collect and remove the wood dust, dust and waste materials generated in the cutting process in time and improve the production environment, a waste material port 25 and a chip removing assembly are further arranged, wherein the waste material port 25 is formed in the machine table 10, corresponds to the position of the saw blade 21 and extends to a distance in the downstream direction of the saw blade 21 along the X direction, an inclined waste hopper 26 is arranged below the waste material port 25, a collecting basket can be placed at the outlet of the waste hopper 26 by workers, waste materials fall from the waste material port 25 and fall into the collecting basket through the waste hopper 26, and the chip removing assembly comprises a dust suction pipe 27 with a suction port aligned with the saw blade 21 and a negative pressure dust suction device (not shown in the drawing) connected with the dust suction pipe 27.

As shown in fig. 8 and 9, the material platform 4 is composed of a first side material platform 41, a middle material platform 42 and a second side material platform 43 which are sequentially arranged in parallel along the Y direction, the middle material platform 42 is positioned below the feeding bin and is used for bearing the sheet material 11 to be branched, the first side material platform 41 and the second side material platform 43 are respectively arranged on two sides of the middle material platform 42Y, the upper surfaces of the three material platforms are coplanar, the middle material platform 42 and the first side material platform 41 are respectively positioned on two sides of a cutting line of the saw blade 21, and a feed gap 44 for the saw blade 21 to pass through is formed between the middle material platform 42 and the first side material platform 41. The feeding device is provided with at least two feeding guide rails 31 which are arranged on two sides of the table top of the machine table 10 in parallel along the X direction, the first side material table 41 and the second side material table 43 are respectively arranged on the feeding guide rails 31 on two sides in a sliding way through sliding blocks, the middle material table 42 is fixedly arranged on the first side material table 41 and the second side material table 43 in the X direction, and the middle material table 42 can be driven by the tool retracting actuator 45 in the Y direction to reciprocate and translate between the first side material table 41 and the second side material table 43. In this embodiment, in order to ensure stability of the material stage 4 in operation, two feeding rails 31 are disposed on a corresponding side of the first side material stage 41, so that three feeding rails 31 are provided, in this embodiment, the retracting actuator 45 is an air cylinder and is fixedly mounted on the second side material stage 43 along the Y direction, a connection plate 46 is fixedly disposed on a top surface of the middle material stage 42, a piston rod of the retracting actuator 45 is connected to the connection plate 46, and mounting positions of the retracting actuator 45 and the connection plate 46 are not limited thereto and may be exchanged.

In order to support the intermediate material table 42 and play a guiding role in the moving process of the intermediate material table 42, guiding connection structures 47 are respectively arranged between the intermediate material table 42 and the first side material table 41 and between the intermediate material table 42 and the second side material table 43, and the guiding connection structures 47 can be a guide rail sliding block structure or a guide pillar and guide sleeve structure or a combination of the two structures. The intermediate table 42 is adjacent to the first side table 41 during the cutting feed, and the retracting actuator 45 drives the intermediate table 42 away from the first side table 41 during the return of the table 4 to retract the saw blade 21 rotating at a high speed during the return.

The feeding system is for feeding the sheet 11 to the cutting position of the table 4, and as shown in fig. 4, the feeding system includes a feed bin 51, a feeding mechanism and a pressing device.

As shown in fig. 4, 6 and 7, the feeding bin 51 is used for accommodating the multi-layered stacked sheets 11 and realizing the falling of the chopstick sheets 11 piece by piece. The feed bin 51 is fixedly mounted above the machine 10 by a raised feed base 52, and the Y-position of the feed bin 51 is above the intermediate table 42. The X-direction position of the feeding bin 51 may be disposed upstream of the saw blade 21 and corresponds to the start end of the cutting stroke of the table 4, for discharging the sheet 11 to the table 4 before the start of the cutting stroke of the table 4 along the X-direction or after the end of the return stroke of the table 4, whereas in this embodiment, the X-direction position of the feeding bin 51 is disposed downstream of the saw blade 21 and corresponds to the end of the cutting stroke of the table 4, and after the cutting stroke of the table 4 is completed, the time for clamping the finished product 12 by the clamping device is fully utilized to discharge the sheet 11 to the table 4, thereby saving time and improving production efficiency. The width of the feeding bin 51 is adapted to the width of the sheet 11 in the Y direction, and an adjusting baffle 511 capable of adjusting the position in the X direction is arranged in the feeding bin 51, so that the feeding bin is suitable for the sheet 11 with different lengths, the bottom of the feeding bin 51 forms an open structure, the sheet 11 can fall from the bottom conveniently, and workers can feed from the top.

In order to realize the falling of the sheet materials 11 piece by piece, a first telescopic driving device 53 and a second telescopic driving device 54 are arranged at the bottom of the feeding bin 51, the first telescopic driving device 53 and the second telescopic driving device 54 are respectively provided with a first telescopic executing piece 531 and a second telescopic executing piece (not shown in the figure), the installation position of the second telescopic executing piece is higher than that of the first telescopic executing piece 531, the first telescopic executing piece 531 is used for supporting the bottommost sheet materials 11 in an extending state, the second telescopic executing piece is used for applying lateral pressure to the bottom second sheet materials 11 in the extending state, a control module is electrically connected with the first telescopic driving device 53 and the second telescopic driving device 54, and a control unit for controlling the first telescopic executing piece 531 and the second telescopic executing piece 531 to cooperate with telescopic is arranged on the control module so as to realize the falling of the sheet materials 11 piece by piece. In this embodiment, the first and second telescopic driving devices 53 and 54 are telescopic cylinders, respectively, and are a feeding cylinder and a lateral compression cylinder, the feeding cylinder is provided with two cylinders, which are respectively arranged at positions corresponding to two ends of the sheet 11, and may be arranged at the X side of the sheet 11, the piston rod of which stretches in the X direction, the Y side of the sheet 11, and the piston rod of which stretches in the Y direction, the first telescopic actuator 531 may be a piston rod of the feeding cylinder, or a baffle plate fixedly connected to the end of the piston rod of the feeding cylinder, the lateral compression cylinder is provided with at least one cylinder fixedly arranged at the Y side of the feeding bin 51, and the piston rod of the lateral compression cylinder applies lateral pressure to the sheet 11 when extending in the Y direction, so as to adapt to the thickness of the sheet 11, the lateral compression cylinder can adjust the upper and lower mounting positions, and for more stably pressing the sheet 11, and the lateral compression cylinder may also be provided with two cylinders, respectively pressing the two ends of the sheet 11 in the X direction. When the feeding bin 51 is in operation, the sheets 11 are stacked in the feeding bin 51, the first telescopic actuating members 531 of the two feeding cylinders stretch out and are blocked at the bottom of the feeding bin 51 and are supported below the bottommost sheet 11, when one sheet 11 needs to fall down, the control module controls the piston rods of the side pressure cylinders to stretch out and press the side surfaces of the second sheet 11 at the bottom to block all the sheets 11 above, then the control module controls the two feeding cylinders to drive the first telescopic actuating members 531 to retract, the bottommost sheet 11 loses support and falls onto the middle material table 42, then the control module controls the feeding cylinders to drive the first telescopic actuating members 53 to stretch out again, the piston rods of the side pressure cylinders retract, the upper sheet 11 falls down and is supported on the first telescopic actuating members 531 again, and the sheet 11 falls down one by one sheet in the cycle.

The feeding mechanism is for pushing the sheet 11 dropped and stacked on the intermediate table 42 to the cutting position, and as shown in fig. 8 and 9, the feeding mechanism includes a width positioning device and a pushing device mounted on the table 4, respectively located on both sides of the Y-direction of the sheet 11 to be branched on the table 4.

The width positioning devices are provided with two groups, and are arranged on the first side material table 41, and each group of width positioning devices comprises a positioning rod 61, a guide piece 62 and a screw motor 63. Two lead screw motors 63 are fixedly mounted on the first side material table 41 and are respectively located on the side surfaces of the two ends of the sheet material 11X, the lead screw motors 63 are through shaft type lead screw motors, and the lead screw shafts of the lead screw motors 63 are arranged along the Y direction. The positioning rod 61 is slidably disposed on the guide 62 in the Y direction and is located between the screw shaft of the screw motor 63 and the sheet 11 to be branched, both ends of the positioning rod 61 correspond to the screw shaft end of the screw motor 63 and the side face of the sheet 11 to be branched, respectively, and the guide 62 is fixed to the first side table 41. The ejector actuator 64 can push the sheet material 11 to be branched to be in contact with one ends of the two positioning rods 61, and then further push the other ends of the positioning rods 61 to be in contact with the end parts of the screw shaft of the screw motor 63. Thus, the ends of the screw shafts of the two screw motor 63 can respectively limit the Y-direction positions of the sheet 11X toward the two ends during cutting, thereby limiting the cutting angle and cutting the wide and narrow head sheet 11 into a pair of basically shaped chopsticks with big and small heads.

The material jacking device is provided with two groups, the X positions of the material jacking device are respectively corresponding to the two screw rod motors 63, each group of material jacking device comprises a material jacking actuator 64 and a double-layer material jacking assembly, the double-layer material jacking assembly can simultaneously push the two layers of the sheet materials 11 on the material table 4, and the sheet materials 11 are precisely positioned in a layering manner. As shown in fig. 11, the double-layer ejector assembly comprises an ejector block 65, an adjusting gear 66, an upper-layer top plate 67 and a lower-layer top plate 68 which are stacked up and down, wherein the ejector block 65 is connected with the output end of an ejector actuator 64, the adjusting gear 66 is horizontally rotatably arranged in the ejector block 65, one ends of the upper-layer top plate 67 and the lower-layer top plate 68 face the side edge of the sheet 11 to be branched on the material table 4 and are respectively aligned with the two-layer sheet 11 stacked up and down, adjusting racks 69 are respectively arranged at the other ends of the upper-layer top plate 67 and the lower-layer top plate 68, and the adjusting racks 69 of the upper-layer top plate 67 and the lower-layer top plate 68 are respectively meshed with the two X-direction sides of the adjusting gear 66. The ejector actuator 64 moves to push the ejector block 65 and the upper and lower top plates 67 and 68 to move in the Y direction to push the two layers of the sheet materials 11, when one layer of the sheet materials 11 is pushed in place and the other layer of the sheet materials 11 is not in place due to dimensional deviation and the like, the adjusting rack 69 rotates to enable the upper and lower top plates 67 and 68 to relatively move in the Y direction so as to independently push the corresponding layer of the sheet materials 11, and therefore accurate positioning of the two layers of the sheet materials 11 is ensured. In this embodiment, both the ejector actuators 64 are cylinders, which are fixedly mounted on the intermediate table 42, and the piston rods of the cylinders are connected to the ejector blocks 65.

The control module is electrically connected with the screw motor 63 and the ejection actuator 64, and is provided with a control unit for controlling the two screw shafts to stretch and retract according to a set distance, and controls the screw shafts of the two screw motors 63 to stretch and retract in a linkage manner according to a set cutting track, and the finished product 12 can be continuously cut by matching the interaction of the positioning rod 61 and the ejection device.

As shown in fig. 8 and 9, the intermediate table 42 is further provided with a length positioning plate 71 and side-pushing devices, which are respectively located on both sides in the X direction of the sheet 11 to be branched. The length positioning plate 71 is matched with the side ejection device, so that the position of the sheet 11 in the X direction can be kept the same during each cutting, and the cutting accuracy and the size consistency of the finished product 12 are ensured. The length locating plate 71 is perpendicular to the X direction and is positioned on one side of the middle material table 42 to be branched into the sheet material 11X, the side ejection device comprises a side ejection actuator 72 which is arranged on the other side of the sheet material 11X, the side ejection actuator 72 is fixed at the position of the middle material table 42 close to the feed gap 44, and the side ejection actuator 72 acts to push the sheet material 11 at the cutting position to be abutted with the length locating plate 71 along the X direction, so that the accurate X direction location is realized. In this embodiment, the side roof actuator 72 is a cylinder.

The sheets 11 are stacked on the middle material table 42 one by one after falling from the feeding bin 51, and in order to push only two layers of the sheets 11 during ejection, the middle material table 42 is provided with a height limiting baffle 74, the height limiting baffle 74 is arranged on one side of the blanking position close to the width positioning device, an ejection channel is formed between the limiting part of the height limiting baffle 74 and the surface of the middle material table 42, and the height of the ejection channel only allows the two layers of the sheets 11 to pass through. In the present embodiment, two height limiting plates 74 are provided, which are respectively located at two sides of the blanking position along the X direction, and the height limiting plates 74 are both provided with adjustable heights, so as to adapt to the sheet materials 11 with different thicknesses.

Further, in the present embodiment, the Y-direction distance from the blanking position to the cutting position is wide, so that there are several rows of double-layered sheets 11 to be branched on the ejection path while being pushed to advance sequentially toward the cutting position, in order to ensure that these sheets 11 are stable in position and do not jump or flip during ejection, a presser 73 is provided above the ejection path, the presser 73 having a pressing plate 731 that is always pressed downward by a spring, the Y-direction width of the pressing plate 731 covers the ejection path, and the pushed-out sheets 11 are pressed by the pressing plate 731 to restrict the position thereof in the vertical direction. The bottom of the end of the pressing plate 731 facing the blanking position is provided with a sloping guide surface sloping downward in the advancing direction of the sheet 11, facilitating entry of the sheet 11.

Further, after the sheets 11 drop from the feeding bin 51 and are stacked on the intermediate material table 42, in order to limit the plane position thereof to prevent sliding, a multi-directional limit baffle plate 75 is further arranged around the blanking position, and the limit baffle plates 75, the height limit baffle plate 74 and the length locating plate 71 cooperate to form a blanking cavity, wherein one limit baffle plate 75 opposite to the length locating plate 71 in the X direction is arranged to be adjustable, and the position of the limit baffle plate 75 in the X direction can be manually adjusted to adapt to the sheets 11 with different lengths. In this embodiment, a plurality of sensors 55 are disposed around the blanking chamber, for sensing the situation of the sheet material 11 in the blanking chamber, so as to control the actions of the feeding cylinder and the side pressure cylinder on the feeding bin 51.

As shown in fig. 8, 9 and 10, the feeding system further includes a first pressing device 81 and a second pressing device 82 respectively disposed on two sides of the cutting line, where the first pressing device 81 is located on one side of the cutting line near the lead screw motor 63, and the second pressing device 82 is located on the other side of the cutting line. The first and second pressing devices 81 and 82 each comprise at least one pressing actuator 83 fixedly installed on the material table 4 and a pressing plate 84 connected to the output end of the pressing actuator 83, and the pressing actuator 83 is used for driving the pressing plate 84 to move downwards along the Z direction to press the sheet material 11 on the material table 4 so as to improve the stability of the cutting process. Specifically, the first and second pressing devices further include a pressing support 87, the pressing supports 87 of the two sets of pressing devices are respectively and fixedly installed on the first side material table 41 and the middle material table 42, the pressing actuators 83 of the first and second pressing devices 81 and 82 are respectively and fixedly installed on the pressing supports 87 of the first side material table 41 and the middle material table 42, and a pressing guide structure 86 composed of a guide rail and a sliding block is further arranged between the pressing supports 87 and the pressing plate 84. In this embodiment, the pressing actuators 83 are cylinders, and 2-3 cylinders are mounted on each pressing actuator 83 side by side along the X direction, and each cylinder is connected with a pressing plate 84, so that the stability of the cutting process is further improved. In order to ensure the compacting effect on the wide and narrow head sheet material 11, the compacting actuator 83 of the first compacting device 81 is connected with the compacting plate 84 thereof through the connecting arm 85, the upper end of the connecting arm 85 is fixedly connected with the end part of the piston rod of the compacting actuator 83, and the lower end is rotatably connected with the compacting plate 84 thereof through the rotating pin arranged in the Y direction, so that the posture of the compacting plate 84 is adaptively adjusted according to the inclination angle of the surface of the sheet material 11, and the compacting guide structure 86 is arranged between the compacting bracket 87 and the connecting wall 85.

The outfeed system is for outputting cut end product 12, as shown in fig. 6 and 12, and includes a nip, outfeed rail 92, and outfeed drive. The discharging guide rail 92 is fixedly arranged along the X direction, a discharging hole 91 is formed in the machine table 10 on one side of the discharging guide rail 92Y, the clamping device is used for clamping and releasing the cut finished product 12, the clamping device is arranged on the discharging guide rail 92 in a sliding manner, and the clamping device is driven by the discharging driving device to reciprocate along the discharging guide rail 92 so as to convey the cut finished product 12 to the discharging hole 91. The control module is electrically connected with the discharging driving device and the clamping device, and controls the discharging driving device to drive the clamping device to convey the cut finished product 12 to the discharging hole 91 according to preset parameters. The below of discharge gate 91 is provided with the play hopper 911 of slope, and the workman can place a collection basket in the exit of play hopper 911, and finished product 12 drops from discharge gate 91, through play hopper 911 landing to collect in the basket, and play hopper 911 department can also set up and keep off material cylinder 912, keeps off the finished product 12 that drops when its piston rod stretches out, can be used to temporary store finished product 12 in play hopper 911, satisfies the production needs.

As shown in fig. 13 and 14, the clamping device comprises a base 93, a clamping assembly 94 and a lifting module 95, the base 93 is slidably arranged on a discharging guide rail 92 and is connected with a discharging driving device, the lifting module 95 comprises a lifting plate 951 movably connected to the upper portion of the base 93 and a lifting actuator 952 for driving the lifting plate 951 to lift along the Z direction, the clamping assembly 94 comprises a clamping head body 941 clamped in the Y direction and a clamping actuator 942 for driving the clamping head body 941 to clamp, the clamping assembly 94 is at least indirectly arranged on the lifting plate 951, and the lifting module 95 is used for driving the clamping assembly 94 to lift along the Z direction so as to adjust the clamping height. In this embodiment, a Y-directional telescopic rod 953 is further disposed on the lifting plate 951, the clamping assembly 94 is fixedly mounted on the telescopic rod 953, the telescopic rod 953 is slidably connected with the lifting plate 951 through a sliding block fixed on the lifting plate 951, and the extending length of the telescopic rod 953 is limited through a limiting rod, so that the Y-directional position of the clamping assembly 94 is adjusted, and the clamping head 941 is aligned with the cut finished product 12. The clamping assembly 94 further includes a mounting frame 943, a linkage 944, the mounting frame 943 being fixed to the telescoping rod 953, and a clamping actuator 942 being fixedly mounted to the mounting frame 943, in this embodiment, the clamping actuator 942 being a cylinder. The chuck body 941 includes a stationary clamp plate 945, a movable clamp plate 946, a pin shaft 947 (not shown in the figure) and a rotary handle 948, the stationary clamp plate 945 is formed by extending a side plate of the mounting frame 943, the movable clamp plate 946 is opposite to the stationary clamp plate 945, the pin shaft 947 is fixed with the mounting frame 943, the middle part of the rotary handle 948 is hinged on the pin shaft 947, one end of the rotary handle 948 is connected with the movable clamp plate 946, the other end is in transmission connection with one end of the link mechanism 944, the other end of the link mechanism 944 is hinged at the end part of a piston rod of the clamping actuator 942, and the clamping actuator 942 drives the rotary handle 948 to drive the movable clamp plate 946 to be close to the stationary clamp plate 945 through the link mechanism 944 so as to clamp a finished product 12. The movable clamp plate 946 is hinged to one end of the rotary handle 948, so that when clamping finished products 12 with different thickness and inclination, the rotary handle can rotate to enable the clamping surface to be attached to the surface of the finished products 12, so that clamping is stable, and meanwhile, anti-slip strips 949 are arranged on the opposite surfaces of the movable clamp plate 946 and the static clamp plate 945, so that stable clamping is facilitated.

As shown in fig. 12, the discharging driving device includes a third driving motor 96, a third pulley transmission mechanism 98 and a third transmission block 97, wherein a transmission belt of the third pulley transmission mechanism 98 is arranged parallel to the discharging guide rail 92, the third transmission block 97 is fixed on the transmission belt and fixedly connected with the base 93 of the material clamping device, and an output shaft of the third driving motor 96 is connected with the third pulley transmission mechanism 98 to drive the transmission belt to move, so that the material clamping device is driven to move along the discharging guide rail 92.

As shown in fig. 2 and 3, a cabinet 13 is arranged below the machine 10, a first driving motor 22, a second driving motor 33, a dust suction pipe 27, a waste hopper 26 and a discharge hopper 911 are all installed in the cabinet 13, a cover plate 28 is further arranged at the outlet of the waste hopper 26, the upper edge of the cover plate 28 is hinged with the cabinet 13, the outlet of the waste hopper 26 is blocked by gravity, and waste materials are pushed away to fall into a collecting basket after continuously accumulating. A power supply electrical box and an air source processing device are also arranged in the cabinet 13. The machine table 10 is also provided with a machine cover 14, and the feeding system, the material table 4, the feeding device, the cutting device and the discharging system are all positioned in the space inside the machine cover 14. The front of the hood 14 is provided with a touch screen 15, a positive and negative pressure gauge 16, a start switch 17, etc., the touch screen 15 is used for inputting preset parameters and checking the running condition of the machine, and the positive and negative pressure gauge 16 is used for monitoring the pressure of compressed air supplied to pneumatic actuators (such as a tool withdrawal actuator 45, a feeding cylinder, a side pressure cylinder, a jacking actuator 64, a side jacking actuator 72, a pressing actuator 83, a clamping actuator 942, a blocking cylinder 912, etc.). A signal lamp 18 for displaying the working state is arranged on the top of the hood 14, so that workshop management is facilitated.

The automatic chopstick sheet material expenditure machine is particularly suitable for the expenditure of wide and narrow head chopstick sheet materials 11, and the specific working process is as follows:

1. The preparation stage comprises the steps of stacking all the surfaces A of the sheet materials 11 to be branched into a feeding bin 51, setting parameters such as the width, cutting track and the like of the sheet materials 11 on a control module, starting the machine, wherein the material table 4 and the material clamping device are positioned at an initial position, and the width positioning device can be automatically adjusted to the set position;

2. The feeding driving mechanism drives the material platform 4 to advance to the end point of the cutting stroke along the feeding guide rail 31, namely, the lower part of the feeding bin 51, the feeding cylinder and the lateral pressure cylinder cooperate to enable the sheet 11 to fall down piece by piece, and after the sheet 11 falls down and is stacked in the blanking cavity on the middle material platform 42, the feeding driving mechanism drives the material platform 4 to return to the start point of the cutting stroke;

3. The conveying and positioning, namely, a piston rod of a jacking actuator 64 stretches out to push a jacking block 65 to move along a Y direction together with an upper layer top plate 67 and a lower layer top plate 68 to push two layers of sheet materials 11, the jacking block is pushed to be in butt joint with a positioning rod 61 of a width positioning device, and then the jacking block is further pushed to be in butt joint with the screw rod shaft end part of a screw rod motor 63, if one layer of sheet materials 11 is not in place, an adjusting rack 69 rotates to enable the upper layer top plate 67 and the lower layer top plate 68 to move relatively along the Y direction so as to independently push the corresponding layer of sheet materials 11 respectively to finish Y-direction positioning, and a side jacking actuator 72 pushes the sheet materials 11 along the X direction to be in butt joint with a length positioning plate 71 to finish X-direction positioning;

4. The pressing and fixing, namely, the pressing executor 83 of the first and second pressing devices 81 and 82 simultaneously drives the respective pressing plates 84 to move downwards along the Z direction to press the two layers of the sheet materials 11 on the material table 4, and the two groups of pressing plates 84 are respectively pressed on two sides of the cutting line, wherein the pressing plates 84 of the first pressing device 81 can adaptively adjust the gesture through the rotation connection of the connecting arm 85 and the rotating pin, and are tightly attached to the inclined surface of the sheet materials 11, so that the pressing effect is ensured;

5. Feeding and cutting, wherein a feeding driving mechanism drives a material table 4 to move along a feeding guide rail 31, a saw blade 21 passes through a feed gap 44 between a middle material table 42 and a first side material table 41 and simultaneously cuts two layers of materials 11 along the X direction, when the material table 4 moves to the end of the travel, two finished products 12 are simultaneously cut, and one end of each finished product 12 is just aligned with a chuck body 941 of a material clamping assembly 94;

6. The finished product is discharged (1) the finished product conveying step comprises the steps that a clamping actuator 942 drives a movable clamping plate 946 to clamp the finished product 12, then the pressing plate 84 of the first pressing device 81 is retracted, meanwhile, a feeding driving mechanism drives the material table 4 to return, a retracting actuator 45 drives the middle material table 42 to be away from the first side material table 41 so as to avoid the saw blade 21, meanwhile, the discharging driving device drives the clamping device to move to the position above the discharging hole 91 along a discharging guide rail 92, the movable clamping plate 946 is loosened, the finished product 12 falls into a discharging hopper 911, and then the discharging driving device drives the clamping device to return to the initial position for next discharging, and (2) if the cut waste is the pressing plate 84 of the first pressing device 81 is retracted, the screw shaft of the screw motor 63 stretches out to push the waste out and falls into a waste hopper 26, and the material table 4 returns. After the material table 4 returns to the start of the stroke, the material pressing plate 84 of the second material pressing device 82 is retracted, and the screw motor 63 is adjusted to a new preset position.

7. And (3) repeating the steps 3 to 6 to complete cutting of the rest part of the sheet material 11, controlling the feeding cylinder and the side pressure cylinder to perform matched action discharging again when the blanking position of the material table 4 is sensed to be required to supplement the sheet material 11 at the end point of the cutting stroke in the process, and continuously and circularly cutting and supplementing the sheet material 11 until all processing tasks are completed.

It should be understood that various other corresponding changes and modifications can be made by one skilled in the art according to the technical concept of the present utility model, and all such changes and modifications should fall within the scope of the claims of the present utility model.

Claims (10)

1. An automatic chopstick sheet material spending machine comprises a machine table, a material table, a cutting device, a feeding system, a discharging system and a control module, wherein an X direction of a coordinate system is defined as a cutting feeding direction, a Y direction is a horizontal direction vertical to the X direction, and a Z direction is a vertical direction vertical to an XY plane;

The cutting device is used for cutting the sheet materials along the X direction and comprises a saw blade and a first driving motor for driving the saw blade to rotate, the saw blade is perpendicular to the Y direction, the feeding device is used for driving the relative motion between the material table and the saw blade in the X direction so as to realize cutting, the feeding system is used for conveying the sheet materials to the cutting position of the material table, the discharging system is used for outputting a cut finished product, and the control module is respectively in communication connection with the cutting device, the feeding system and the discharging system and is used for controlling the operation of the cutting device, the feeding system and the discharging system according to preset programs and parameters;

Characterized in that the feeding system comprises:

The feeding bin is fixedly arranged above the machine table and is used for accommodating a plurality of layers of stacked sheets, the bottom of the feeding bin forms an open structure, a first telescopic driving device and a second telescopic driving device are arranged at the bottom of the feeding bin, the first telescopic driving device and the second telescopic driving device are respectively provided with a first telescopic executing piece and a second telescopic executing piece, the installation position of the second telescopic executing piece is higher than that of the first telescopic executing piece, the first telescopic executing piece is used for supporting the bottommost sheet in an extending state, and the second telescopic executing piece is used for applying lateral pressure to the bottom second sheet in the extending state;

The feeding mechanism comprises a width positioning device and a jacking device which are arranged on the material table and are respectively positioned on two sides of the material table in the Y direction of the sheet material to be branched; the width positioning device is provided with two groups, each group of width positioning device comprises a screw rod motor, the two screw rod motors are respectively positioned on the side surfaces of two X-direction ends of the sheet, screw rod shafts of the two screw rod motors are arranged along the Y direction, the ends of the two screw rod shafts respectively limit the Y-direction positions of the two X-direction ends of the sheet during cutting, so as to limit the cutting angle, the two groups of screw rod motors are arranged on the two screw rod motors in the X-direction positions, the two groups of screw rod motors are used for pushing the sheet to be branched to at least indirectly abut against the screw rod shafts of the two screw rod motors along the Y direction, each group of screw rod motors comprises a screw rod actuator and a double-layer screw rod assembly used for simultaneously pushing the two sheet, the double-layer screw rod assembly comprises a screw rod block, an adjusting gear and an upper layer top plate and a lower layer top plate which are stacked up and down, the screw rod block is connected with the output ends of the screw rod actuator, the adjusting gear is horizontally rotatably arranged in the screw rod block, one ends of the upper layer top plate and the lower layer top plate face the side edges of the sheet to be branched, the other ends of the upper layer top plate and the lower layer top plate are respectively provided with adjusting racks, the adjusting racks are respectively meshed with the adjusting racks on the X-direction two sides of the adjusting gears, the adjusting racks respectively, the upper layer top plate and the lower layer top plate are correspondingly arranged on the two upper layer top plate and lower layer top plate and the upper layer top plate and lower layer top plate are correspondingly arranged on the upper layer top rod, and the upper layer top plate, and lower layer top plate and the control rods are used for setting and control the control roller and can move correspondingly to push the control roller.

2. The automatic chopstick sheet material dispenser according to claim 1, wherein the material table is provided with a height limiting baffle plate, the height limiting baffle plate is arranged on one side of the blanking position close to the width positioning device, a material ejection channel is formed between the limiting part of the height limiting baffle plate and the surface of the material table, and the height of the material ejection channel only allows two layers of sheet materials to pass through.

3. The automatic chopstick sheet dispenser of claim 2, wherein each group of the width positioning devices further comprises a positioning rod, the positioning rods are arranged on the material table in a sliding manner along the Y direction and positioned between a screw shaft of the screw motor and the sheet to be branched, and after the ejection actuator pushes, two ends of the positioning rods are respectively abutted with the screw shaft of the screw motor and the side edges of the sheet to be branched.

4. The automatic chopstick sheet material dispenser of claim 2, wherein the feeding system further comprises a first material pressing device and a second material pressing device which are respectively arranged at two sides of the cutting line of the saw blade, the first material pressing device and the second material pressing device respectively comprise at least one material pressing actuator fixedly arranged on the material table and a material pressing plate connected to the output end of the material pressing actuator, and the material pressing actuators are used for driving the material pressing plate to move downwards along the Z direction to press the sheet material on the material table.

5. The automatic chopstick sheet material dispenser of claim 4, wherein the first material pressing device is positioned on one side of the cutting line close to the screw rod motor, the material pressing actuator of the first material pressing device is connected with the material pressing plate thereof through a connecting arm, the upper end of the connecting arm is fixedly connected with the output end of the material pressing actuator, and the lower end of the connecting arm is rotatably connected with the material pressing plate thereof through a rotating pin arranged in the Y direction.

6. The automatic chopstick sheet material dispenser according to claim 1, 2, 3, 4 or 5 is characterized in that a length positioning plate and a side top device are further arranged on the material table and are respectively positioned on two sides of the sheet material to be branched in the X direction, the length positioning plate is perpendicular to the X direction and positioned on one side of the sheet material in the X direction, the side top device comprises a side top actuator arranged on the other side of the sheet material in the X direction, and the side top actuator is used for pushing the sheet material to be branched to be abutted with the length positioning plate in the X direction.

7. The automatic chopstick sheet dispenser according to claim 1, wherein the material table is driven by the feeding device to move along the X direction, the saw blade is fixedly arranged on the moving path of the material table, the feeding device comprises a feeding guide rail and a feeding driving mechanism, the feeding guide rail is fixedly arranged on the machine table along the X direction, the material table is slidingly arranged on the feeding guide rail, and the feeding guide rail is driven by the feeding driving mechanism to reciprocate along the feeding guide rail.

8. The automatic chopstick sheet dispenser according to claim 7, wherein the material platform comprises a first side material platform, a middle material platform and a second side material platform which are sequentially arranged in parallel along the Y direction, the middle material platform is positioned below the feeding bin, the middle material platform and the first side material platform are respectively positioned at two sides of the cutting line, a feeding gap for passing a saw blade is formed between the middle material platform and the first side material platform, the feeding device comprises at least two feeding guide rails which are arranged at two sides of the table surface in parallel, the first side material platform and the second side material platform are respectively arranged on the feeding guide rails at two sides in a sliding manner, and the middle material platform is fixed with the first side material platform and the second side material platform in the X direction and can be driven by a retracting actuator to reciprocate between the first side material platform and the second side material platform in the Y direction.

9. The automatic chopstick sheet material dispenser of claim 1, wherein the discharging system comprises a clamping device, a discharging guide rail and a discharging driving device, the discharging guide rail is fixedly arranged along the X direction, a discharging port is formed in a machine table on one side of the discharging guide rail Y, the clamping device is used for clamping and releasing a cut finished product, the clamping device is slidably arranged on the discharging guide rail and driven by the discharging driving device to reciprocate along the discharging guide rail to convey the cut finished product to the discharging port, and the control module is electrically connected with the discharging driving device and the clamping device.

10. The automatic chopstick sheet material dispenser of claim 9, wherein the material clamping device comprises a base, a material clamping assembly and a lifting module, the base is arranged on the material discharging guide rail in a sliding mode and is connected with the material discharging driving device, the material clamping assembly comprises a clamping head body clamped in the Y direction and a material clamping actuator used for driving the clamping head body to clamp, the lifting module is used for driving the material clamping assembly to lift in the Z direction, the lifting module comprises a lifting plate movably connected above the base and a lifting actuator used for driving the lifting plate to lift in the Z direction, and the material clamping assembly is at least indirectly arranged on the lifting plate.