CN111232733A - An automatic feeding device and its intelligent cutting equipment - Google Patents

Abstract

The invention relates to an automatic feeding device and an intelligent cutting device thereof. The automatic feeding device comprises a frame, and a movable pulling mechanism and a fixed pressing mechanism are arranged on the frame. The movable pulling mechanism moves and feeds the material on the frame, and the fixed pressing mechanism The material mechanism is arranged behind the movable material pulling mechanism to position and press the material. The movable material pulling mechanism is provided with a first driving device and a first pressing plate. The driving device is connected to the second pressing plate, and the second driving device is drivingly connected to the second pressing plate. The automatic feeding device sets at least one pressing device on the first upper beam and the second upper beam respectively, and the pressing device drives the pressing plate downward. The movement is pressed on the leather to prevent the problem of the cylinder being out of synchronization. The intelligent cutting device installs the feeding device and the cutting device on the integrated frame to avoid the problem of docking in the later stage. The invention effectively improves the transmission of single-layer or multi-layer leather. The positioning of the material and the stability of the pulling material are improved, and the feeding accuracy is improved.

Description

An automatic feeding device and its intelligent cutting equipment

technical field

The invention relates to the technical field of leather cutting, in particular to an automatic feeding device and an intelligent cutting device thereof.

Background technique

The traditional feeding method of the leather feeding device is generally to set up cylinders at both ends of the beam. The cylinder drives the beam to lift and lower the beam to press the beam on the leather, and the moving mechanism drives the leather to feed forward. This method is due to the movement of the cylinders at both ends. Asynchrony or failure will easily lead to inconsistent compression on both sides of the leather material, resulting in inaccurate leather material conveying accuracy, cylinder easily stuck and other problems.

In addition, the existing cutting equipment separates the feeding device from the cutting device, which is difficult to install during docking, cannot guarantee the docking accuracy, and is unstable in positioning when conveying single-layer or multi-layer leather materials.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides an automatic feeding device and an intelligent cutting device with accurate leather material conveying precision and stable material pulling.

In order to achieve the above object, the present invention adopts the following technical scheme: an automatic feeding device, comprising an installation platform, the installation platform is provided with a feeding driving mechanism and a feeding workbench, and the feeding workbench is from the feeding end to the discharging end. A movable pulling mechanism and a fixed pressing mechanism are arranged in sequence. The feeding driving mechanism drives the movable pulling mechanism to move back and forth along the feeding direction on the feeding table. The movable pulling mechanism includes a first frame, and the first frame is connected to The feeding driving mechanism is connected, and at least one first pressing component is arranged on the first frame. The first pressing component includes a first driving device and a first pressing plate that is driven to move up and down by the first driving device. The feeding mechanism includes a second frame, and at least one second pressing component is arranged on the second frame, and the second pressing component includes a second driving device and a second pressing plate which is driven by the second driving device to move up and down.

Preferably, the first frame includes a first upper beam, a connecting rod, and a first lower beam, the first lower beam is arranged on the feeding drive mechanism, and the first upper beam is arranged on the first lower beam through the connecting rod Above, the first driving device is arranged on the first upper beam, and the first upper beam, the second lower beam and the connecting rod form a frame for fixing the first driving device.

Preferably, the second frame includes a second upper beam, a connecting rod, and a second lower beam, the second lower beam is fixed on the installation platform, and the second upper beam is arranged on the second lower beam through the connecting rod On the top, the second upper beam, the second lower beam and the connecting rod form a frame for fixing the second driving device.

Preferably, the feeding drive mechanism includes a servo motor, a driving wheel, an auxiliary tensioning wheel set, a timing belt, a straight line rail and a guide block, and the driving wheel and the auxiliary tensioning wheel set are respectively arranged on the installation platform And through the synchronous belt drive connection, the synchronous belt is connected with the first frame, the servo motor is connected with the driving wheel, the straight line rail is arranged on the installation table and perpendicular to the first frame, and the guide block is slidably arranged on the first frame. On the straight linear rail, the first frame is arranged on the guide block.

Preferably, the feeding drive mechanism includes a servo motor, a driving screw, a screw nut, a connecting seat, a straight line rail and a guide block, the driving screw is arranged in the installation table, and the screw nut is inserted through the On the transmission screw, the servo motor is connected with the transmission screw, the connection seat is connected with the screw nut, the straight line rail is arranged on the installation table, and the guide block is slidably arranged on the straight line rail , the first frame is arranged on the guide block and the connecting seat.

Preferably, the feeding drive mechanism includes a servo motor, a transmission gear, a rack, a straight line rail and a guide block, the rack is slidably arranged on the mounting table, the transmission gear meshes with the rack, and the servo motor Connected with the transmission gear, the straight line rail is arranged on the installation table, the guide block is slidably arranged on the straight line rail, and the first frame is arranged on the guide block and the rack.

Preferably, the feeding drive mechanism includes a cylinder, a straight line rail and a guide block, the straight line rail is arranged on the mounting table, the guide block is slidably arranged on the straight line rail, the cylinder and the guide block connected, the first frame is arranged on the guide block.

An intelligent cutting device with an automatic feeding device, including a frame, a feeding frame is arranged on one side of the feeding end of the frame, and a console is arranged on any side of the frame, and the frame runs from the feeding end to the outlet. The material end is sequentially provided with an automatic feeding device, a cutting device, and a receiving table, the console is electrically connected with the automatic feeding device and the cutting device respectively, and a feeding support frame and a feeding support frame are respectively provided at the feeding end and the discharging end of the frame. The discharging support frame, the automatic feeding device includes an installation table, a feeding table, a feeding driving mechanism, a movable pulling mechanism and a fixed pressing mechanism, and the movable pulling mechanism and the fixed pressing mechanism are arranged side by side on the feeding table, and All are arranged along the feeding direction of the multi-layer leather material. The feeding driving mechanism drives the movable pulling mechanism to move back and forth along the feeding direction on the feeding table. The cutting device is provided with a cutting table, a feeding table, a cutting table and a receiving table. The table is an integrated endless belt, and the integrated endless belt rotates around the feed support frame and the discharge support frame.

Preferably, it also includes a projection stand, the projection stand is arranged above the automatic feeding device and the cutting device, a plurality of projectors are arranged on the projection stand, and the plurality of projectors are respectively electrically connected to the console, and the projectors collect The working conditions of the automatic feeding device and cutting device are transmitted to the console.

A method of using an intelligent cutting device, comprising the following steps:

(1) Pull the leather material to be cut from the material rack into the feeding table. At this time, the leather material to be cut is laid flat under the movable pulling mechanism and the fixed pressing mechanism, the console is activated, and the first drive of the movable pulling mechanism The device drives the first pressing plate down, the first pressing plate presses down on the surface of the leather to be cut on the feeding table, and the feeding driving mechanism drives the movable pulling mechanism to approach the fixed pressing mechanism. When the leather to be cut is sent from the feeding table After being placed on the cutting table, the second driving device of the fixed pressing mechanism drives the second pressing plate down, the second pressing plate presses on the surface of the leather to be cut on the cutting table, and the first driving device of the movable pulling mechanism drives the second pressing plate. As soon as the pressing plate rises, the feeding drive mechanism drives the movable pulling mechanism to reset, and the above-mentioned feeding process is repeated; the movable pulling mechanism can be provided with a plurality of first pressing components, generally two are better, and the two points are fixed to press the leather to be cut. If the leather is wider, a first pressing component can be added between the two first pressing components to prevent the leather to be cut from being deformed during the pulling process, and the two first pressing components can press the leather to be cut. Tightly pulling the material, compared with the traditional use of beam pulling, the two first pressing components effectively solve the problem that the two ends of the beam cannot be lifted synchronously when the traditional cylinder drives the beam up and down. The first pressing component uses a cylinder to drive the platen to lift and lower Pressing material, even if the two first pressing components cannot be synchronized, it will not affect the material pulling of the movable pulling mechanism. Although the two first pressing components cannot be lowered synchronously, they will press the cutting material successively, thus subverting the current flexibility. The leather adopts the structure of the whole beam clipping and pulling the material;

(2) The projector projects the cutting line on the leather to be cut, which is convenient for typesetting;

(3) The cutting device quickly cuts the leather to be cut;

(4) After the leather cutting is completed, it will be collected with the receiving platform.

The beneficial effect of the present invention is that: the automatic feeding device is provided with at least one pressing device on the first upper beam and the second upper beam respectively, and the pressing device drives the pressing plate to move downward and press on the leather, which can prevent the cylinder from not working properly. The problem of synchronization, the intelligent cutting equipment installs the feeding device and the cutting device on the integrated frame to avoid the problem of docking in the later stage. Feeding accuracy is improved.

Description of drawings

Figure 1 is a schematic perspective view of an automatic feeding device.

Fig. 2 is a plan view of the automatic feeding device.

Fig. 3 is the exploded structure diagram of the automatic feeding device.

FIG. 4 is an enlarged view of part A of FIG. 3 .

FIG. 5 is a perspective structural diagram of an intelligent cutting device.

FIG. 6 is an enlarged view of part B of FIG. 5 .

FIG. 7 is another perspective structural view of the cutting-only device.

Description of reference numerals: 1. Installation table; 2. Active pulling mechanism; 21. First upper beam; 22. First lower beam; 23. First driving device; 24. First pressing plate; 25. Feeding driving mechanism; 251. Servo motor; 252. Geared motor; 253. Motor base; 254. Driving wheel; 255. Auxiliary tensioning wheel set; 256. Timing belt; 257. Straight line rail; 258. Guide block; 31. Second upper beam; 32. Second lower beam; 33. Second driving device; 34. Second pressing plate; 4. Frame; 5. Material rack; 6. Automatic feeding device; 7. Cutting device ; 71. Cutting parts; 8. Console; 9. Projection stand; 10. Receiving table.

Detailed ways

Example 1

Please refer to FIGS. 1-4 , the present invention relates to an automatic feeding device, including an installation table 1 , and a movable material pulling mechanism 2 and a fixed material pressing mechanism 3 are arranged on the installation table 1 . The movable material pulling mechanism 2 The material is moved and fed on the installation platform 1, and the fixed pressing mechanism 3 is arranged behind the movable pulling mechanism 2 for positioning and pressing the material.

Preferably, the movable pulling mechanism 2 includes a first upper beam 21 , a first lower beam 22 , a first driving device 23 , a first pressing plate 24 and a feeding driving mechanism 25 , and the feeding driving mechanism 25 is provided on the installation table 1 . Above, the first lower beam 22 is arranged on the feeding drive mechanism 25, the first upper beam 21 is fixed on the first lower beam 22 through the connecting rod, and the first upper beam 21 is provided with three first driving A first pressing plate 24 is respectively connected below the three first driving devices 23, and the feeding driving mechanism 25 can be driven and operated in a manual or fully automatic manner.

Preferably, the fixed pressing mechanism 3 includes a second upper beam 31, a second lower beam 32, a second driving device 33 and a second pressing plate 34, and the second lower beam 32 is fixed on the installation table 1, so The second upper beam 31 is disposed on the second lower beam 32 through connecting rods, the second upper beam 31 is provided with three second driving units 33 , and a second pressing plate 34 is connected below the second driving units 33 .

Preferably, the feeding drive mechanism 25 is a synchronous belt 256 transmission mechanism, including a servo motor 251 , a deceleration motor 252 , a motor base 253 , a driving wheel 254 , an auxiliary tensioning wheel set 255 , a synchronous belt 256 , and a straight linear rail 257 With the guide block 258, the driving pulley 254 and the auxiliary tensioning pulley set 255 are respectively arranged on the installation table 1 and are connected by a synchronous belt 256. The driving wheel 254 is connected by transmission, the servo motor 251 is connected with the deceleration motor 252, the two straight line rails 257 are respectively arranged on the installation platform 1, and the two straight line rails 257 are respectively provided with sliding blocks. The lower beams 22 are respectively connected with the guide blocks 258 and the timing belts 256 .

Example 2

This embodiment is a modification of Embodiment 1, and the difference is that: the feeding drive mechanism 25 is a screw transmission mechanism, including a servo motor 251, a deceleration motor 252, a motor base 253, a transmission screw, a screw nut, a connection seat, straight line rail 257 and guide block 258, the drive screw is arranged in the installation table 1, the screw nut is worn on the transmission screw, the deceleration motor 252 is arranged on the installation table through the motor seat 253 1 and is connected with the transmission screw, the servo motor 251 is connected with the deceleration motor 252, the connecting seat is connected with the screw nut, and the two straight rails 257 are respectively arranged on the mounting table 1, and the two straight The line rails 257 are respectively provided with guide blocks 258 , and the first lower beam 22 is provided on the guide blocks 258 and the connecting seat.

Example 3

This embodiment is a modification of Embodiment 1, and the difference lies in that: the feeding drive mechanism 25 is a rack and pinion meshing transmission mechanism, including a servo motor 251, a deceleration motor 252, a motor base 253, a transmission gear, a rack, a straight The profiled rail 257 and the guide block 258, the rack is slidably arranged on the mounting table 1, the transmission gear meshes with the rack, the deceleration motor 252 is set on the mounting table 1 through the motor seat 253 and is driven with the transmission gear connection, the servo motor 251 is connected with the deceleration motor 252, the straight line rail 257 is arranged on the installation platform 1, the guide block 258 is slidably arranged on the straight line rail 257, and the first lower beam 22 is provided On guide block 258 and rack.

Example 4

This embodiment is a modification of Embodiment 1, and the difference is that: the feeding driving mechanism 25 is a sliding block sliding rail transmission mechanism, including a driving cylinder, a sliding rail and a sliding block, and a plurality of the sliding rails are respectively arranged horizontally at On the installation table 1, a plurality of the sliding blocks are respectively slid on a plurality of sliding rails, the driving cylinder is connected with the sliding block on one of the sliding rails, and the first lower beam 22 is horizontally arranged on each sliding block. superior.

The servo motor 251 , the deceleration motor 252 or the driving cylinder in the above embodiment can be replaced by a hand wheel, and an external force acts on the hand wheel to drive the feeding driving mechanism 25 to operate.

Please refer to FIGS. 5-7 , an intelligent cutting device using the automatic feeding device 6 according to any of the above-mentioned embodiments 1-4 includes a material rack 5 , a rack 4 , an automatic feeding device 6 , and a cutting device 7 With the console 8, the frame is the load-bearing foundation of the entire cutting equipment. Several adjustable horizontal shock-absorbing pads are arranged at the bottom of the frame. The frame is provided with an automatic feeding device from the feeding end to the discharging end. The cutting device and the receiving table are respectively provided with a feeding support frame and a discharging support frame at the feeding end and the discharging end of the frame. The automatic feeding device includes an installation platform, a feeding workbench, a feeding driving mechanism, a movable pulling mechanism and The fixed pressing mechanism, the movable pulling mechanism and the fixed pressing mechanism are arranged side by side on the feeding table, and they are all arranged along the feeding direction of the multi-layer leather material, and the feeding driving mechanism drives the movable pulling mechanism along the feeding table. Moving back and forth along the feeding direction, the cutting device is provided with a cutting table, the feeding table, the cutting table and the receiving table are an integrated endless belt, and the integrated endless belt is arranged around the feeding support frame and the discharging support frame, and is integrated. The endless belt rotates around the feed support frame and the discharge support frame. A material rack is arranged on one side of the feeding end of the rack, and a console is arranged on either side of the rack. The console is an independent electrical cabinet, and the console 8 is electrically connected to the automatic feeding device 6 and the cutting device 7 respectively. , the cutting device 7 is provided with a cutting member 71 .

The movable pulling mechanism and the fixed pressing mechanism are driven by a cylinder, the air source is installed under the integrated endless belt, and the pipeline is connected with the pipeline of the movable pulling mechanism and the fixed pressing mechanism through the seamless steel pipe; When processing soft coiled materials (such as cloth, leather, etc.), it solves the problem of soft materials entering the working area of the cutting machine smoothly, and the endless belt circulating fixed-length feeding can improve production efficiency and save materials, instead of manual pulling. To further automate the soft coil in the cutting industry to meet people's needs.

Preferably, the feeding drive mechanism can be a drive device composed of a steel belt/toothed belt of a servo-controlled DC motor, or a drive device composed of a servo-controlled DC motor screw or a servo-controlled DC motor to drive a synchronous wheel and a synchronous belt , In this embodiment, the feeding drive mechanism includes a servo motor, a driving wheel, an auxiliary tensioning wheel set, a synchronous belt, a straight line rail and a guide block, and the driving wheel and the auxiliary tensioning wheel set are respectively located in The servo motor is fixed on the installation platform through the motor base, and the output shaft of the servo motor is connected to one end of the synchronous belt through the driving wheel, so as to move the material pulling mechanism. Smooth, straight line rails are arranged on the installation table along the feeding direction, the guide blocks are slidably arranged on the straight line rails, and the first lower beam is arranged on the guide blocks.

Preferably, the feed support frame and the discharge support frame are provided with several rollers, the integral endless belt rotates around the feed and around the rollers, and the integral endless belt can transport the multi-layer leather material to the cutting device for cutting. The integral endless belt surface of the table is provided with a cutting pad.

Preferably, the top of the rack is provided with a projection frame, the projection frame is inclined forward at a certain angle, the projection frame is installed with a projection assembly, and the projection assembly is used for projecting the typesetting projector for the outline of the typesetting template and for collecting on the workbench. video camera. The projector and the video camera are respectively electrically connected with the console 8 .

Preferably, the console 8 can be directly installed on the frame 4 or beside the frame 4 through a bottom box.

Working principle: place the leather material on the material rack 5, one end of the leather material is set on the automatic feeding device 6, and the automatic feeding device 6 presses the material and pulls it into the cutting working platform, as follows: the first pressing cylinder drives the second A pressing plate 24 moves down, the first pressing plate 24 is pressed on the leather material, the feeding drive mechanism 25 is activated, and drives the first pressing plate 24 to move, the first pressing plate 24 moves the leather material forward for a certain distance, and then the first pressing plate 24 moves up Reset, repeat the above actions, in the process of the first pressing plate 24 moving up and resetting, the second driving device 33 drives the second pressing plate 34 to move down and press it on the leather to fix the position of the leather. When the movable pulling mechanism 2 presses When holding the leather and pushing it forward, the fixed pressing mechanism 3 is reset, and repeatedly pushed so many times, so that the leather is transferred to the cutting work platform. The image information of the leather to be cut is displayed on the monitor in the control computer; the leather to be cut is positioned on the workbench; the typesetting projector is turned on, the camera is directed towards the leather to be cut on the workbench, The typesetting image information is projected onto the leather to be cut through the typesetting projector, and then typesetting is performed; after typesetting, the console enters the cutting control program, and retrieves the typesetting image information and related parameters input by the typesetting device. Start the cutting projector, project the corresponding cutting lines obtained by typesetting onto the leather to be cut, and then cut the leather by the cutting part 71 to cut the part of the leather to be cut with the projected cutting lines. Due to the different shapes of the leather itself, the surface of the leather will also be flawed or damaged. When the operator finds that the edges or flaws of the leather just fall within the range of the shape of the sample projected by the projection component, the mouse can be used to adjust the size of the sample. location, thereby reducing scrap rates. Moreover, the samples to be cut can be designed and typeset in advance in the computer, and then the samples can be input into the projector. After the cutting is completed, the treated leather material is collected through the receiving table 10 . This intelligent cutting equipment has a high speed and can be cut without making a die. The original process of making a die, manual cutting, scribing and positioning, punching and other processes is reduced to only one machine and one person to complete the operation, which greatly saves It saves time and manpower, not only saves costs, but also has high efficiency, and the output is equivalent to five times that of traditional machine-type die cutting. Moreover, the utilization rate of leather typesetting is optimized by computer calculation, which can save 4% of the leather utilization rate compared with manual typesetting, and also improves the standardization of products.

The traditional multi-layer leather material automatic feeding device is a separate structure from the cutting device, and is used in a matching manner by means of end butting, which is inconvenient to assemble and requires high cutting precision. The structure of the present invention is simple. The device 7 is installed on the integrated frame 4 without docking, which solves the problem that the existing automatic feeding device 6 and the cutting device 7 are difficult to dock and cannot guarantee the docking accuracy. The power source comes from the motor in the automatic feeding mechanism, and the motor is 750W Servo motor is equipped with fixed pressing mechanism and movable pulling mechanism at the same time. Through multiple pressing cylinders to drive the pressing parts to press down, it can prevent the pressing cylinders from moving out of synchronization and cause the pressing to be unstable, and avoid the situation of low transmission accuracy and easy jamming of the pressing cylinders. In the case of materials, such as regular artificial leather, cloth and other coil materials, the signal connection is realized through the control console 8 associated with the projector. The user can freely set the length and speed of the feeding according to actual requirements, and also supports manual control transmission.

Aiming at the current diversification of material transmission and the requirements of feeding precision, the invention solves the problems of low precision of automatic material transmission, power technology and docking assembly.

A method of using an intelligent cutting device, comprising the following steps:

(1) Pull the multi-layer leather material to be cut from the material rack into the feeding table. At this time, the leather material to be cut is laid flat under the movable pulling mechanism and the fixed pressing mechanism, the console is activated, and the first position of the movable pulling mechanism A driving device drives the first pressing plate down, the first pressing plate presses down on the surface of the leather to be cut on the feeding table, and the feeding driving mechanism drives the movable pulling mechanism to approach the fixed pressing mechanism. After the table is sent to the cutting table, the second driving device of the fixed pressing mechanism drives the second pressing plate down, the second pressing plate is pressed on the surface of the leather to be cut on the cutting table, and the first driving device of the movable pulling mechanism The first pressing plate is driven to rise, the feeding drive mechanism drives the movable pulling mechanism to reset, and the above feeding process is repeated;

(2) The projector projects the cutting line on the leather to be cut, which is convenient for typesetting;

(3) The cutting device quickly cuts the leather to be cut;

(4) After the leather cutting is completed, it will be collected with the receiving platform.

The above embodiments are only to describe the preferred embodiments of the present invention, and do not limit the scope of the present invention. On the premise of not departing from the design spirit of the present invention, various modifications and variations of the technical solutions of the present invention made by ordinary engineers and technicians in the art Improvements should all fall within the protection scope determined by the claims of the present invention.

Claims (10)

1. The utility model provides an automatic feeding device, includes the mount table, be equipped with pay-off actuating mechanism and pay-off workstation on the mount table, the pay-off workstation is equipped with the activity in proper order from the feed end to the discharge end and draws material mechanism and fixed swager structure, and pay-off actuating mechanism drive activity draws material mechanism and follows the pay-off direction back-and-forth movement on the pay-off workstation, its characterized in that: the movable material pulling mechanism comprises a first frame, the first frame is connected with the feeding driving mechanism, at least one first material pressing assembly is arranged on the first frame, the first material pressing assembly comprises a first driving device and a first pressing plate driven by the first driving device to move up and down, the fixed material pressing mechanism comprises a second frame, at least one second material pressing assembly is arranged on the second frame, and the second material pressing assembly comprises a second driving device and a second pressing plate driven by the second driving device to move up and down.

2. The automatic feeding device according to claim 1, wherein: the first frame comprises a first upper beam, a connecting rod and a first lower beam, the first lower beam is arranged on the feeding driving mechanism, the first upper beam is arranged on the first lower beam through the connecting rod, the first driving device is arranged on the first upper beam, and the first upper beam, the second lower beam and the connecting rod form a frame for fixing the first driving device.

3. The automatic feeding device according to claim 1, wherein: the second frame comprises a second upper cross beam, a connecting rod and a second lower cross beam, the second lower cross beam is fixedly arranged on the mounting table, the second upper cross beam is arranged on the second lower cross beam through the connecting rod, and the second upper cross beam, the second lower cross beam and the connecting rod form a frame for fixing a second driving device.

4. The automatic feeding device according to claim 1, wherein: pay-off actuating mechanism includes servo motor, action wheel, the assistance tight wheelset that rises, synchronous belt, straight type linear rail and guide block, the action wheel is established respectively on the mount table and is connected through the synchronous belt transmission with the assistance tight wheelset that rises, and synchronous belt and first frame attach, servo motor is connected with the action wheel, straight type linear rail is established on the mount table and is set up perpendicularly with first frame, the guide block is slided and is established on straight type linear rail, first frame is established on the guide block.

5. The automatic feeding device according to claim 1, wherein: the feeding driving mechanism comprises a servo motor, a transmission screw rod, a screw nut, a connecting seat, a straight linear rail and a guide block, the transmission screw rod is arranged in the mounting table, the screw nut is arranged on the transmission screw rod in a penetrating mode, the servo motor is connected with the transmission screw rod in a transmission mode, the connecting seat is connected with the screw nut, the straight linear rail is arranged on the mounting table, the guide block is arranged on the straight linear rail in a sliding mode, and the first framework is arranged on the guide block and the connecting seat.

6. The automatic feeding device according to claim 1, wherein: the feeding driving mechanism comprises a servo motor, a transmission gear, a rack, a straight linear rail and a guide block, the rack is slidably arranged on the mounting table, the transmission gear is meshed with the rack, the servo motor is in transmission connection with the transmission gear, the straight linear rail is arranged on the mounting table, the guide block is slidably arranged on the straight linear rail, and the first frame is arranged on the guide block and the rack.

7. The automatic feeding device according to claim 1, wherein: the feeding driving mechanism comprises an air cylinder, a straight linear rail and a guide block, the straight linear rail is arranged on the mounting table, the guide block is arranged on the straight linear rail in a sliding mode, the air cylinder is connected with the guide block, and the first frame is arranged on the guide block.

8. An intelligent cutting device with the automatic feeding device of claim 1, comprising a frame, a material rack arranged on one side of the feeding end of the frame, a control platform arranged on any one side of the frame, the automatic feeding device, a cutting device and a material receiving platform arranged on the frame in sequence from the feeding end to the discharging end, the control platform electrically connected with the automatic feeding device and the cutting device, a feeding support frame and a discharging support frame arranged on the feeding end and the discharging end of the frame, respectively, the automatic feeding device comprising an installation platform, a feeding worktable, a feeding driving mechanism, a movable material drawing mechanism and a fixed material pressing mechanism, the movable material drawing mechanism and the fixed material pressing mechanism arranged side by side on the feeding worktable and arranged along the feeding direction of the multi-layer leather material, the feeding driving mechanism driving the movable material drawing mechanism to move back and forth along the feeding direction on the feeding worktable, and a cutting worktable arranged on the cutting device, pay-off workstation, cutting workstation and receipts material platform formula annular belt as an organic whole, rotation is erect around feeding support frame and ejection of compact support to integral type annular belt.

9. The intelligent cutting apparatus of claim 8, wherein: still include the projection frame, the projection is erect in autoloading device and cutting device's top, be equipped with a plurality of projecting apparatus on the projection frame, a plurality of projecting apparatus respectively with control platform electric connection, the projecting apparatus is collected autoloading device and cutting device's behavior and is transmitted to controlling the platform.

10. A method of using the intelligent cutting apparatus as claimed in claim 8, wherein: the method comprises the following steps:

(1) the method comprises the following steps that a to-be-cut leather is pulled into a feeding workbench from a material rack, at the moment, the to-be-cut leather is flatly laid below a movable material pulling mechanism and a fixed material pressing mechanism, an operation table is started, a first driving device of the movable material pulling mechanism drives a first pressing plate to descend, the first pressing plate is pressed on the surface of the to-be-cut leather on the feeding workbench, the feeding driving mechanism drives the movable material pulling mechanism to approach the fixed material pressing mechanism, after the to-be-cut leather is fed to a cutting workbench from the feeding workbench, a second driving device of the fixed material pressing mechanism drives a second pressing plate to descend, the second pressing plate is pressed on the surface of the to-be-cut leather on the cutting workbench, the first driving device of the movable material pulling mechanism drives the first pressing plate to ascend, the feeding driving mechanism drives the movable material pulling mechanism to reset, and the feeding process;

(2) the projector projects the cutting line on the leather to be cut, so that typesetting is facilitated;

(3) the cutting device rapidly cuts the leather to be cut;

(4) and receiving the leather along with the receiving platform after the leather is cut.

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