CN114378365B

CN114378365B - Automatic production line for multi-section sawing processing

Info

Publication number: CN114378365B
Application number: CN202210044691.XA
Authority: CN
Inventors: 俞正明; 黄巍峰; 陈猛; 王作杰; 王宋杰; 汪晓来
Original assignee: Anhui Rongxinda Intelligent Equipment Co ltd
Current assignee: Anhui Rongxinda Intelligent Equipment Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2023-06-06
Anticipated expiration: 2042-01-14
Also published as: CN114378365A

Abstract

The invention relates to an automatic production line for multi-section sawing processing, which comprises a cutting station, wherein the cutting station comprises a fixed sawing group, a movable sawing group, a feeding frame and an electrical control system, sliding rails are arranged on two sides of the feeding frame, the fixed sawing group is arranged on one side of the feeding frame, at least one group of movable sawing groups is arranged and slides in the top conveying direction of the feeding frame through the sliding rails, a material supporting mechanism is arranged at the bottom of the feeding frame, and the material supporting mechanism, the fixed sawing group, the movable sawing group and the feeding frame are respectively connected with the electrical control system. The sawing size is determined by moving the distance between the sawing group and the fixed sawing group, and the multi-section sawing processing is realized by a plurality of groups of movable sawing groups at different positions on the sliding rail, so that the production efficiency is greatly improved.

Description

Automatic production line for multi-section sawing processing

Technical Field

The invention relates to the technical field of machine tool machining, in particular to an automatic production line for multi-section sawing machining.

Background

The sawing machine commonly used in the market at present is a single machine tool which uses a circular saw blade, a saw belt or a saw blade as a cutter to saw and cut round metal materials, square materials, pipe materials, sectional materials and the like. The sawing machine generally has low processing precision and is mostly used for cutting various bar materials, pipe materials and other sectional materials in a material preparation workshop. In the sawing machine, the driving wheel and the driven wheel drive the saw blade to run, the cutting direction of the saw blade is controlled by the guide rail control frame, the self-rotation bearing is adjusted to straighten the band saw blade, the saw blade is swept off by the sweeper, the guide rail control frame is supported by the piston rod of the hydraulic cylinder to fall into the saw cutting material, and the band sawing machine is provided with a manual or hydraulic cylinder clamping locking mechanism, a hydraulic operating valve switch and the like.

The prior sawing machine cannot saw the whole bundle of materials in multiple sections, and the sawing is carried out once and once, and the calibration is carried out once and once manually; and the sawing linear speed and the feeding speed can not be subjected to variable frequency speed regulation according to the raw materials, and the production efficiency is low.

Disclosure of Invention

The invention aims to provide an automatic production line for multi-section sawing processing, which solves the problems in the prior art.

In order to achieve the above purpose, the technical scheme of the invention is as follows:

the utility model provides a multistage saw cuts processing automatic production line, includes the cutting station, the cutting station is including fixed saw cut group, removal saw cut group, pay-off frame and electrical control system, the both sides of pay-off frame are equipped with the slide rail, fixed saw cut group installs in one side of pay-off frame, the removal saw cut group is equipped with a set of and slides on the top direction of transport of pay-off frame through the slide rail at least, the bottom of pay-off frame is equipped with holds in the palm material mechanism, hold in the palm material mechanism, fixed saw cut group, removal saw cut group and pay-off frame and be connected with electrical control system respectively.

In the scheme, the movable sawing group is driven by the servo motor matched with the ball screw mechanism, the cutting tools in the movable sawing group and the fixed sawing group adopt bimetallic band saw blades, and the gang saw sawing main machine head of the gang saw is obliquely arranged.

In the above scheme, the both ends of cutting station are equipped with the stub bar frame respectively, and the cutting station outside is equipped with first chip removal machine, and the second chip removal machine is installed respectively to fixed bottom one side of saw cutting the group and the bottom one side of saw cutting the group that removes, and the chip removal mouth of second chip removal machine all is located the notch top of first chip removal machine.

In the above scheme, hold in palm material mechanism includes liftout device and drive arrangement, drive arrangement drives liftout device is in the horizontal activity of the bottom of pay-off frame, liftout device carries out the jacking to the material through first drive part drive roof.

In the scheme, one side of the movable sawing group is provided with the clamping jaw which is used for clamping materials; the clamping jaw comprises a portal frame and a jaw, wherein the portal frame is of an inverted U-shaped structure, a second driving part for driving the jaw to move is uniformly arranged on the side face of the portal frame, and the working end of the jaw is of a flat plate-shaped structure.

In the scheme, the feeding end of the cutting station is provided with the material turning mechanism, and the material turning mechanism is used for turning materials for a certain angle; the turning mechanism comprises a turning plate, a turning plate frame and a third driving part, wherein the turning plate is at a certain angle, the third driving part is arranged on the inner side of the conveying machine, the turning plate frame is arranged on one side of the third driving part, the turning plate is hinged to the top of the turning plate frame, and the output end of the third driving part is in transmission connection with the turning plate.

In the above scheme, the feed end of cutting station still is equipped with feed mechanism, and feed mechanism includes the conveyer and installs the shift fork subassembly on the conveyer, and the shift fork subassembly passes through fourth drive component and installs the tip at the conveyer, and feed mechanism carries the pay-off frame after with the material jack-up through the shift fork subassembly.

In the above scheme, the feeding end of the cutting station is also provided with an end face beating device, and the end face beating device is used for beating the end faces of the materials; the end face beating device comprises a beating material frame and a beating material plate, wherein the beating material frame is arranged on the feeding side of the conveyor, and one side of the beating material frame is in transmission connection with the beating material plate through a fifth driving part.

In the above scheme, the discharge end of the cutting station is provided with a length detection device; the length detection device is arranged on one side of the discharge end of the feeding frame and comprises a length sensor, and the length sensor is slidably connected on one side of the discharge end of the feeding frame through a sixth driving part.

In the above scheme, the discharge end of cutting station still is equipped with unloader, and unloader includes storage area and lifts the district, and the bottom of lifting the district is equipped with will lift the seventh drive part that the district was lifted.

Compared with the prior art, the invention has the beneficial effects that: the fixed sawing group is arranged on one side of the feeding frame and has a fixed positioning function, and the fixed sawing group is used as a reference sawing plane. The movable sawing group is at least provided with one group and slides in the top conveying direction of the feeding rack through the sliding rail, the sawing size is determined by moving the distance between the sawing group and the fixed sawing group, and multi-section sawing processing is realized by a plurality of groups of movable sawing groups at different positions on the sliding rail. The fixed sawing group and the movable sawing group form an intelligent gang saw sawing machine, the gang saw sawing main machine of the sawing production line consists of a plurality of sawing machines, the tangential speed of each sawing machine head saw is controlled automatically by a CNC system, the feeding speed is automatically regulated according to the sawing section size of the material in the sawing process, so that the required fastest sawing speed is achieved in sawing, 2-5 machine heads can be used for simultaneously sawing raw materials with different lengths, and the production efficiency is greatly improved.

Drawings

The disclosure of the present invention is described with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall structure of one embodiment of the present invention;

FIG. 3 is a position structure diagram of the upender, the loading mechanism, and the end face alignment device of FIG. 2;

fig. 4 is a position structure diagram of the length detecting device and the blanking device in fig. 2.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention easy to understand, the present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures to which the invention pertains.

According to the technical scheme of the invention, a person skilled in the art can propose various alternative structural modes and implementation modes without changing the true spirit of the invention. Accordingly, the following detailed description and drawings are merely illustrative of the invention and are not intended to be exhaustive or to limit the invention to the precise form disclosed.

The technical scheme of the invention is further described in detail below with reference to the accompanying drawings and examples.

Embodiment 1, as shown in fig. 1, is a multi-section sawing automatic production line, which is mainly used for cutting bundled steel blanks such as round materials, square materials, pipes and sectional materials. The sawing production line comprises a cutting station 1, wherein the cutting station 1 is provided with corresponding sensors at the required detection and correction places.

The cutting station 1 comprises a fixed sawing group 11, a movable sawing group 12, a feeding frame 13 and an electrical control system. Wherein, the electrical control system adopts CNC system automatic control. The two sides of the feeding frame 13 are provided with slide rails 14, and the fixed sawing group 11 is arranged on one side of the feeding frame 13 and has a fixed positioning function, and is used as a reference sawing plane. The movable sawing group 12 is provided with at least one group and slides in the top conveying direction of the feeding frame 13 through the sliding rail 14, the sawing size is determined by the distance between the movable sawing group 12 and the fixed sawing group 11, and the multi-section sawing processing is realized by the different positions of the plurality of groups of movable sawing groups 12 on the sliding rail 14.

The multi-section sawing production line improves production efficiency and reduces personnel configuration. CNC system control gang saw carries out automatic scale, uses manpower sparingly, and the precision is high. The sawing machine head controls sawing linear speed in a variable frequency speed regulation mode through a CNC system, intelligent speed regulation is carried out on feeding speed, raw materials with different sections are adapted, and production efficiency is improved.

In practice, the fixed sawing group 11 and the movable sawing group 12 form an intelligent gang saw sawing machine. The device can be composed of 5 sawing machines, a sawing machine guide rail frame, a linear guide rail, a gear rack, a servo motor and the like. The guide rail frame of the sawing machine is provided with a linear guide rail, 5 sawing machines are guided by the linear guide rail, the gear rack is driven by the servo motor to realize displacement, and the distance between the gear rack and the linear guide rail is fixed by the servo system so as to meet the requirements of different sawing lengths. The tangential speed of each sawing machine head saw is automatically controlled by a CNC system, and the feeding speed is automatically adjusted according to the size of the sawing section of the material in the sawing process, so that intelligent speed regulation is realized. The sawing machine can use 2-5 machine heads to saw the raw materials with different lengths simultaneously, when 2 machine heads are used, the sawing machine comprises a fixed sawing group 11 and a movable sawing group 12, and when a plurality of machine heads are adopted, the multi-section sawing processing is realized through different positions of the plurality of movable sawing groups 12 on the sliding rail 14.

The intelligent gang saw sawing workbench consists of a roller table and a sawing lifting platform. After the bundle materials are fed into the gang saw machine and the gang saw machine are automatically fixed in length, the bundle materials are automatically identified through CNC system control and sensors, the roller table stops feeding, and the sawing jacking platform automatically avoids rollers in front of and behind the saw blade to jack up and support the materials for sawing.

The feeding frame 13 forms a sequential discharging mechanism, belongs to the prior equipment, and consists of a sequential discharging frame, a discharging roller, a chain wheel, a chain, a motor, a speed reducer and the like. A plurality of rows of feeding rollers are arranged on the sequential discharging frame to form a discharging roller channel, and the motor is driven to roll by a chain wheel and a chain after being decelerated by a speed reducer so as to realize stable discharging of the binding materials. After the bundling sawing is finished, the number of the sawn parts can be identified by the sequential discharging mechanism through CNC system control and automatic identification of each sensor, and the bundling sawn parts are sequentially and sectionally conveyed to the material length detecting mechanism for rechecking the finished product length by matching with the conveying device on the intelligent sawing workbench.

The gang saw sawing host of the sawing production line consists of a plurality of sawing machines, the tangential speed of each sawing machine head saw is automatically controlled by a CNC system, and the feeding speed is automatically adjusted according to the sawing section of the material in the sawing process, so that the fastest sawing speed required in sawing is achieved, 2-5 machine heads can be used for sawing raw materials with different lengths simultaneously, and the production efficiency is greatly improved.

As a preferable scheme, the movable sawing group 12 is driven by a servo motor matched with a ball screw mechanism, and the cutting tools in the movable sawing group 12 and the fixed sawing group 11 adopt bimetal band saw blades, so that the movable sawing group has the advantages of narrow saw cut, less material consumption, small required power and the like, and is efficient cutting equipment with the advantages of saving materials and energy.

As a preferred solution, a clamping jaw 19 is mounted on one side of the movable sawing group 12, the clamping jaw 19 being used for clamping the material, in the clamped state the material is not displaced during sawing, so that a smooth cut is facilitated. The clamping jaw 19 comprises a portal frame and jaws, wherein the portal frame is of an inverted U-shaped structure, driving components such as an air cylinder, an oil cylinder and a motor for driving the jaws to move are uniformly arranged on the side face of the portal frame, and the working end of the jaws is of a flat plate-shaped structure and used for pushing materials neatly, so that the clamping jaw has a material arranging function.

As a preferable scheme, the gang saw main machine head of the sawing production line adopts an inclined saw frame design, can relieve the change of sawing force, and is suitable for sawing H-shaped steel, channel steel, I-shaped steel and deformed steel.

The bottom of pay-off frame 13 is equipped with holds in the palm material mechanism 15, holds in the palm material mechanism 15 and includes liftout device and drive arrangement, drive arrangement drives liftout device in the horizontal activity of the bottom of pay-off frame 13, adjusts the position of liftout, and liftout device carries out the jacking to the material through the drive part drive roof such as cylinder, hydro-cylinder, motor, and the jack-up size is around 1 centimetre, and the material does not contact pay-off frame 13 after the jack-up, can not cause vibrations to pay-off frame 13 when saw cutting, prolongs the life of pay-off frame 13. In addition, the workpiece can be higher than the roller surface of the feeding frame 13, so that a cutter roller during sawing is avoided. The driving device drives the material ejection device to move between the two rollers, and then ejects the material upwards to complete the material lifting action.

The material supporting mechanism 15, the fixed sawing group 11, the movable sawing group 12 and the feeding frame 13 are respectively connected with an electrical control system, and a complete and orderly production line is conveniently formed through integral control.

The two ends of the cutting station 1 are respectively provided with a stub bar frame 16, the outer side of the cutting station 1 is provided with a first chip removing machine 17, the first chip removing machine 17 is a total chip removing device, is strip-shaped, and can collect scrap iron and scrap iron of the whole cutting station 1. The second chip removing machine 18 is installed on one side of the bottom of the fixed sawing group 11 and one side of the bottom of the movable sawing group 12 respectively, and the second chip removing machine 18 is a current small chip removing device and is additionally installed at the bottom of each sawing machine. The chip discharge ports of the second chip discharge machine 18 are all positioned at the top of the notch of the first chip discharge machine 17, the first chip discharge machine 17 collects the waste chips of all sawing machines, then the waste chips are conveyed to the first chip discharge machine 17, and finally the waste chips are conveyed to a waste box by the first chip discharge machine 17.

The first chip removing machine 17 and the second chip removing machine 18 form saw dust recycling equipment, the second chip removing machine 18 is a spiral automatic chip removing machine, the first chip removing machine 17 is a plate chain type automatic chip removing machine, and the waste box is a saw dust recycling box. And each sawing machine is provided with a spiral automatic chip removing machine which discharges saw dust at the sawing position out of the sawing machine, and the saw dust is intensively discharged into the plate-chain automatic chip removing machine and uniformly discharged into a recycling saw dust box so as to prevent the saw dust in the sawing host from accumulating. The chip removing machine can realize continuous or intermittent chip removal through the automatic control of the CNC system and can synchronously operate with the sawing host machine.

The automatic chip removing machine discharges the saw dust out of the sawing machine, and the saw dust is uniformly discharged into the saw dust recycling box through the plate chain type conveying device so as to prevent the saw dust in the sawing host from accumulating.

The sawing production line has the advantages of reliability, stability and advancement of the whole structure, and the functions of each part have enough margin, and simultaneously ensure high-quality sawing precision. The electrical control system is reserved with a network interface, can be connected with a client computer network, reads the processing number of the production line and the running state of the production line in real time, is convenient for clients to count production data, and realizes remote monitoring.

Embodiment 2, as shown in fig. 2 and 3, on the basis of embodiment 1, the feeding end of the cutting station 1 is provided with a turning mechanism 2, the turning mechanism 2 is used for turning the material by a certain angle, sawing is more convenient, and damage to the saw blade is reduced. The turning mechanism 2 comprises a turning plate, a turning plate frame, a cylinder, an oil cylinder, a motor and other driving components which are at a certain angle, and the angle of the turning plate can be set to 90 degrees or 120 degrees so as to be clamped on materials. The driving part is arranged on the inner side of the material conveying machine, the turning plate frame is arranged on one side of the driving part, the turning plate is hinged to the top of the turning plate frame, and the output end of the driving part is in transmission connection with the turning plate.

When the turnover mechanism 2 works, after the bundling materials are aligned, the bundling materials are automatically identified through CNC system control and sensors, such as the section requirement of the maximum sawing efficiency of the follow-up implementation cannot be met if special-shaped workpieces (H-shaped steel, channel steel, I-shaped steel and the like), the driving part drives the turning plate to turn over the section of the bundling materials, and finally the bundling materials are stably placed on the feeding frame through the feeding table device to carry out feeding work.

After the binding of the I-steel is completed, the turning mechanism 2 is driven by a hydraulic cylinder to turn the workpiece by 90 degrees, and the turning action is completed. The overturning mechanism 2 can overturn the binding materials and adapt to various raw materials with different cross sections.

Further, as a preferable scheme, the feeding end of the cutting station 1 is further provided with a feeding mechanism 3, the feeding mechanism 3 comprises a conveyor and a shifting fork assembly arranged on the conveyor, the shifting fork assembly is arranged at the end part of the conveyor through driving components such as a cylinder, an oil cylinder and a motor, and the feeding mechanism jacks up materials and then conveys the materials to the feeding frame 13 through the shifting fork assembly, so that the materials are conveyed from the conveyor to the feeding frame 13.

The feeding mechanism 3 can meet the requirement of 4 bundles of 600X 600mm of bundle materials for storing and feeding, the bundle materials are placed on the feeding mechanism 3 and then are automatically identified through a CNC system control and various sensors, the bundle materials are conveyed to the side of a feeding frame to wait by a conveyor, and when no material is sawed on a production line, a shifting fork assembly lifts up the bundle materials and horizontally places the bundle materials on the feeding mechanism for subsequent feeding sawing.

Embodiment 3, aiming at the existing sawing machine, the end part of the whole bundle of incoming materials cannot be beaten uniformly, and more materials are wasted. As shown in fig. 2 and 3, on the basis of

embodiment

1 or 2, the feeding end of the cutting station 1 is further provided with an end face beating device 4, and the end face beating device 4 is used for beating the end face of the material. The end face beating and aligning device 4 comprises a beating frame and a beating plate, wherein the beating frame is arranged on the feeding side of the conveyor, and one side of the beating frame is in transmission connection with the beating plate through driving components such as an air cylinder, an oil cylinder, a motor and the like.

After bundling material is fed to the upper material frame, the material is lifted in advance through the material beating frame through the driving part, so that friction between bundling material and the upper material frame is reduced, the material beating plates are respectively installed at two ends of the stroke, through the control cabinet beside the end face beating device 4, operators can beat and align workpieces with different lengths through manual beating.

The end face beating and aligning device 4 uses a hydraulic cylinder to beat and align raw materials, so that manual operation is avoided, safety is improved, and waste of the end heads during sawing of raw materials is reduced.

Embodiment 4 as shown in fig. 2 and 4, on the basis of

embodiment

1 or 2 or 3, the discharge end of the cutting station 1 is provided with a length detecting device 5. The length detection device 5 is arranged on one side of the discharge end of the feeding frame 13, the length detection device 5 comprises a length sensor, the length sensor is slidably connected on one side of the discharge end of the feeding frame 13 through driving components such as an air cylinder, an oil cylinder and a motor, and the length sensor is driven by the driving components to measure conveyed materials. The production line can carry out online recheck on the machining size, reduces manual operation and improves the working efficiency.

In addition, the length detection device 5 of the material can be composed of a material detection frame, a turnover type detection baffle, a baffle turnover cylinder, a sliding detection table, a linear guide rail, a ball screw, a servo motor and the like. The material detects the frame and installs on the discharge mechanism right side in proper order, and the material detects the frame and installs linear guide, and convertible detection baffle can realize keeping off material/ejection of compact state by baffle upset hydro-cylinder control, and convertible detection baffle and slip detection platform all have linear guide to lead, realize the displacement through servo motor drive ball, through CNC system automatic control, servo system scale material length to satisfy the requirement of different material length rechecks, satisfy the requirement of finished product saw piece with the input translation storage mechanism in proper order and get into the storage procedure, do not satisfy its requirement with the input tailing letter sorting mechanism carry out secondary operation.

Further, as a preferable scheme, the discharging end of the cutting station 1 is further provided with a discharging device 6, the discharging device 6 comprises a storage area 61 and a lifting area 62, driving components such as a cylinder, an oil cylinder and a motor for lifting the lifting area 62 are arranged at the bottom of the lifting area 62, and workpiece materials automatically slide to the storage area 61 through lifting.

After the bundling length is rechecked to be qualified, the finished bundling is picked up by the picking-up sequential translation conveying device through CNC system control and automatic recognition of each sensor, and conveyed to the blanking device 6 to enter a storage link, the rechecked one-section translation one-section is carried out, the storage is carried out in sequential translation, and the blanking device 6 can meet the requirement of 4 bundles of finished bundling storage with 600 multiplied by 600 mm.

The tailing sorting mechanism can also be arranged behind the blanking device 6 and consists of a short tailing cleaning device, a middle and long tailing translational conveying device and a long tailing conveying device. After the binding material is sawed by the intelligent gang saw sawing host machine, the binding material is automatically identified through CNC system control and each sensor, the length of the tailings is detected and analyzed, the shorter tailings directly and automatically slide down to the short tailings frame, the middle long tailings are conveyed to the middle long tailings rack through the conveying device to be pushed to the middle long tailings storage rack, and the long tailings enter the material length rechecking mechanism to be rechecked and then are conveyed to the long tailings conveying storage rack to wait for hoisting.

In an electrical control system, the automatic production line is designed into a single electrical control cabinet, and the actions of all the components are realized through CNC system control (alignment of the end faces of the binding materials) → (overturning of the cross sections of the binding materials) → (automatic feeding) → (multi-section sizing) → (lifting of workpieces) → (sawing) → (sequential discharging) → (length rechecking) → (automatic discharging) → (tailing sorting) and other automatic operations, so that the circular sawing requirement of the production line is realized. The hydraulic system in the automatic production line can be composed of an oil storage tank, a motor, an oil pump, an electromagnetic valve, a speed regulating valve, a pressure gauge, a conveying pipeline, oil cylinders of all functional components and the like, and is controlled by an electric control system to realize all functions.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a multistage saw cuts processing automatic production line which characterized in that: the automatic cutting device comprises a cutting station (1), wherein the cutting station (1) comprises a fixed sawing group (11), a movable sawing group (12), a feeding frame (13) and an electrical control system, sliding rails (14) are arranged on two sides of the feeding frame (13), the fixed sawing group (11) is arranged on one side of the feeding frame (13), at least one group of movable sawing groups (12) is arranged and slides in the top conveying direction of the feeding frame (13) through the sliding rails (14), and a material supporting mechanism (15) is arranged at the bottom of the feeding frame (13);

the material supporting mechanism (15) comprises a material ejecting device and a driving device, the driving device drives the material ejecting device to horizontally move at the bottom of the feeding frame (13), and the material ejecting device drives the top plate to lift materials through a first driving part;

the material supporting mechanism (15), the fixed sawing group (11), the movable sawing group (12) and the feeding frame (13) are respectively connected with the electric control system;

the feeding end of the cutting station (1) is also provided with an end face beating device (4), and the end face beating device (4) is used for beating the end faces of the materials; the end face beating and aligning device (4) comprises a beating material frame and a beating material plate, wherein the beating material frame is arranged on the feeding side of the conveyor, and one side of the beating material frame is in transmission connection with the beating material plate through a fifth driving part.

2. The multi-section sawing process automatic production line according to claim 1, wherein: the movable sawing group (12) is driven by a servo motor matched with a ball screw mechanism, cutting tools in the movable sawing group (12) and the fixed sawing group (11) adopt bimetallic band saw blades, and a gang saw sawing machine head of the gang saw sawing machine head is obliquely arranged.

3. The multi-section sawing process automatic production line according to claim 1, wherein: the two ends of the cutting station (1) are respectively provided with a stub bar frame (16), the outer side of the cutting station (1) is provided with a first chip removing machine (17), one side of the bottom of the fixed sawing group (11) and one side of the bottom of the movable sawing group (12) are respectively provided with a second chip removing machine (18), and chip removing openings of the second chip removing machines (18) are all positioned at the top of a notch of the first chip removing machine (17).

4. The multi-section sawing process automatic production line according to claim 1, wherein: a clamping jaw (19) is arranged on one side of the movable sawing group (12), and the clamping jaw (19) is used for clamping materials; the clamping jaw (19) comprises a portal frame and a jaw, wherein the portal frame is of an inverted U-shaped structure, a second driving part for driving the jaw to move is uniformly arranged on the side face of the portal frame, and the working end of the jaw is of a flat plate-shaped structure.

5. The multi-section sawing process automatic production line according to claim 1, wherein: the feeding end of the cutting station (1) is provided with a turning mechanism (2), and the turning mechanism (2) is used for turning materials for a certain angle; the material turning mechanism (2) comprises a turning plate, a turning plate frame and a third driving part, the third driving part is arranged on the inner side of the material conveying machine, the turning plate frame is arranged on one side of the third driving part, the turning plate is hinged to the top of the turning plate frame, and the output end of the third driving part is in transmission connection with the turning plate.

6. The multi-section sawing process automatic production line according to claim 1, wherein: the feeding end of the cutting station (1) is further provided with a feeding mechanism (3), the feeding mechanism (3) comprises a conveyor and a shifting fork assembly arranged on the conveyor, the shifting fork assembly is arranged at the end part of the conveyor through a fourth driving part, and the feeding mechanism jacks up materials through the shifting fork assembly and then conveys the materials to a feeding rack (13).

7. The multi-section sawing process automatic production line according to claim 1, wherein: a length detection device (5) is arranged at the discharge end of the cutting station (1); the length detection device (5) is arranged on one side of the discharge end of the feeding frame (13), the length detection device (5) comprises a length sensor, and the length sensor is connected with one side of the discharge end of the feeding frame (13) in a sliding manner through a sixth driving part.

8. The multi-section sawing process automatic production line according to claim 1, wherein: the discharging end of the cutting station (1) is further provided with a discharging device (6), the discharging device (6) comprises a storage area (61) and a lifting area (62), and a seventh driving part for lifting the lifting area (62) is arranged at the bottom of the lifting area (62).