CN107297790B - Full-automatic chopping block milling flutes machining center - Google Patents

Full-automatic chopping block milling flutes machining center Download PDF

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Publication number
CN107297790B
CN107297790B CN201710464714.1A CN201710464714A CN107297790B CN 107297790 B CN107297790 B CN 107297790B CN 201710464714 A CN201710464714 A CN 201710464714A CN 107297790 B CN107297790 B CN 107297790B
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milling
feeding
cutting board
station
processing
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CN107297790A (en
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苑海山
苑立韬
郑承烈
周兆成
刘国森
叶洪亮
练素香
周海燕
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Zhejiang Suncha Bamboo & Wood Co ltd
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Zhejiang Suncha Bamboo & Wood Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27CPLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/10Portable hand-operated wood-milling machines; Routers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27CPLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling Processes (AREA)

Abstract

The invention belongs to the technical field of plate processing, and discloses a full-automatic chopping block milling groove processing center, which comprises a chopping block conveying system assembly and a milling system assembly; the cutting board conveying system assembly comprises two feeding systems and a discharging system, the two feeding systems are arranged side by side, and each feeding conveying system comprises a processing station for a cutter to complete processing; the milling system assembly only comprises a set of milling cutter assembly, the milling cutter assembly performs reciprocating operation between processing stations of the two sets of feeding and conveying systems, and each time the milling cutter assembly reciprocates, a cutting board is processed on each processing station of the two sets of feeding and conveying systems; when the milling cutter assembly is processed at a processing station of one set of feeding mechanism, the other set of feeding mechanism feeds a cutting board to be processed into the processing station. The invention adopts a mode of arranging two sets of feeding systems side by side, and the transmission and processing of the chopping board are finished on the two sets of feeding systems in a staggered mode, so that the processing efficiency can be doubled.

Description

Full-automatic chopping block milling flutes machining center
Technical Field
The invention belongs to the technical field of plate processing, and relates to mechanical equipment for processing a chopping board, in particular to equipment for processing the surface of the chopping board.
Background
The chopping board is a daily necessity, and is divided into two types, namely a wood chopping board and a bamboo chopping board, from the material, and the plastic chopping board is relatively rarely used. The shape of the chopping board is mainly square and round, wherein the waste materials are the least when the square chopping board is processed, and the processing process is simple and relatively the most common.
The processing of wood chopping block or bamboo chopping block surface mainly regards milling process as the owner, the milling process on chopping block surface mainly has the processing of surface pattern sculpture, diversion channel, be used for imbedding the processing of picture arragement caulking groove, the processing of vertical hole etc. at present to chopping block surface machining's equipment mainly comprises the workstation with set up the cutter on the workstation, divide from the mode of action, mobile workbench formula and fixed workbench formula two kinds, its processing action of mobile workbench's equipment is accomplished by the workstation removal, the cutter only can move on the Z axle, its processing action of fixed workbench's equipment is accomplished by the cutter removal, the cutter needs to dispose triaxial moving system. Compared with the workbench, the cutter is more flexible to move, so that the machining equipment is designed in a mode of fixing the workbench for machining the surface of the relatively complex chopping board. The fixed workbench type chopping block surface processing equipment also has the advantage of facilitating feeding and discharging of the chopping block.
Present chopping block surface milling process equipment adopts the mode of manual unloading of going up more, is unfavorable for the continuity of operation of chopping block processing, and machining efficiency is lower relatively. A small amount of chopping block surface processing equipment adopting an automatic feeding mode mostly adopts a conveyor belt or a conveying tray and the like to finish feeding, and feeding and conveying precision is difficult to ensure. In addition, feeding and processing can be carried out only in a staggered mode, a cutter system needs to wait for a cutting board to be sent into a processing station before processing is started, and in the process of processing the cutter, a feeding mechanism can only stop and the like to finish processing. The processing efficiency is still not high.
Disclosure of Invention
The invention aims to provide a double-station full-automatic cutting board groove milling machining center, which aims at solving the problems of low cutting board surface machining efficiency, poor conveying and positioning precision and the like in the prior art. The equipment is suitable for processing various complex groove shapes on the surface of the chopping board, can realize the automation of the whole processes of feeding, processing and discharging of the chopping board, and is favorable for realizing the whole process flow automation of the previous and subsequent processing of the chopping board.
Aiming at the purposes, the technical scheme provided by the invention is as follows: a full-automatic chopping block milling groove machining center comprises a chopping block transmission system assembly and a milling system assembly;
the cutting board conveying system assembly comprises two feeding systems and a discharging system, the two feeding systems are arranged side by side, and each feeding conveying system comprises a processing station for a cutter to complete processing;
the milling system assembly only comprises a set of milling cutter assembly, the milling cutter assembly performs reciprocating operation between processing stations of the two sets of feeding and conveying systems, and each time the milling cutter assembly reciprocates, a cutting board is processed on each processing station of the two sets of feeding and conveying systems;
when the milling cutter assembly is processed at a processing station of one set of feeding mechanism, the other set of feeding mechanism feeds a cutting board to be processed into the processing station.
Furthermore, a cutting board transmission control system and a milling control system are respectively arranged aiming at the cutting board transmission system assembly and the milling system assembly. The cutting board transmission control system controls feeding work of the two feeding systems, and the milling control system controls the milling system assembly to work. The cutting board transmission control system and the milling control system are communicated with each other, the cutting board transmission control system sends a cutting board transmission in-place signal to the milling control system, and the milling control system sends a single-station processing completion signal to the cutting board transmission control system.
When a certain feeding system transmits a cutting board to be machined to a machining station, a cutting board transmission control system collects cutting board transmission in-place signals of the feeding system and transmits the cutting board transmission in-place signals to a milling control system, the milling control system controls a milling system assembly to execute machining, and the milling control system controls the milling system assembly to complete machining of the cutting board on the machining station of the certain feeding system and then transmits machining completion signals to the cutting board transmission control system; before the milling control system controls the milling system assembly to process a certain station, verifying that a cutting board corresponding to the station is transmitted to an in-place signal; before the cutting board transmission control system controls the feeding system to carry out transmission, a processing completion signal corresponding to a processing station of the feeding system is verified.
Furthermore, the cutting board transmission control system and the milling control system mutually transmit fault signals to the other side, and the control system receiving the fault signals of the other side controls the controlled object to stop.
Furthermore, each set of feeding and conveying system also comprises a feeding station capable of stacking a plurality of cutting boards, a clamping and conveying mechanism for conveying the cutting boards to be processed to the processing station from the feeding station, a positioning mechanism for correcting the positions of the cutting boards before processing, and a flattening mechanism for flattening the processed cutting boards.
The cutting board loading device is characterized in that a material supporting structure for placing cutting boards is arranged at the loading station, a front baffle is arranged in front of the loading station, and a space for only allowing one flat cutting board to pass through is formed between the bottom edge of the front baffle and a material supporting plane.
The positioning mechanism is arranged at the feeding station and comprises a first positioning piece and a second positioning piece which are arranged on one side of the corresponding chopping board close to the other set of feeding system, and a third positioning piece which is arranged on one side of the corresponding chopping board far away from the other set of feeding system. The first positioning piece and the second positioning piece are respectively arranged on the first positioning cylinder and the second positioning cylinder, and the third positioning piece is arranged on the third positioning cylinder.
The first positioning cylinder and the second positioning cylinder are vertically arranged in an inclined mode, when the first positioning piece and the second positioning piece move downwards to the lowest position (stroke end point), the side positioning acting surface of the first positioning piece and the second positioning piece is located on the positioning reference surface of the side, and the first positioning piece and the second positioning piece move upwards in the opposite direction to leave the positioning reference surface of the side. The third location cylinder perpendicular to this side location reference surface sets up, and third setting element fixed assembly is at the piston rod front end of third location cylinder, includes a flexible section between third setting element front end location action point and rear end and the piston rod fixed connection point, flexible section flexible when front end location action point receives radial force.
The clamping and conveying mechanism is arranged below a chopping board conveying plane and comprises a pair of clamping assemblies, a clamping assembly mounting plate used for arranging the clamping assemblies, a driving clamping assembly mounting plate and a conveying driving mechanism (an air cylinder device/a screw rod nut mechanism) which is used for driving the clamping assemblies to move back and forth between a feeding station and a processing station, wherein the clamping assembly mounting plate is movably arranged through a longitudinal linear guide rail mechanism, and the clamping assemblies comprise clamping jaw assemblies which are longitudinally movably arranged relative to the clamping assembly mounting plate and clamping driving mechanisms (the air cylinder device/the screw rod nut mechanism) which are used for driving the clamping jaw assemblies to longitudinally move relative to the clamping assembly mounting plate. The clamping jaw assembly comprises a clamping jaw which can be arranged in a lifting mode. When the clamping jaw is lowered to a low position, the upper end of the clamping jaw is lower than the chopping block conveying plane, and when the clamping jaw is raised to a high position, the height of the upper end of the clamping jaw, which is higher than the chopping block reverse conveying plane, is smaller than the thickness of one chopping block.
The flattening mechanism is arranged at the processing station and used for flattening the processed chopping board from the edges of the two sides of the processed chopping board, and comprises a pressing plate and a jacking component, wherein the pressing plate is horizontally and fixedly arranged and is arranged above the non-processing areas on the two transverse sides of the chopping board conveyed to the processing station; the jacking component is arranged below non-processing areas on the two transverse sides of the chopping board conveyed to the processing station and comprises jacking legs arranged in a lifting mode and jacking driving mechanisms (jacking cylinders/other) for driving the jacking legs to move up and down.
The milling system assembly comprises a milling cutter assembly and a three-axis driving system for driving the milling cutter assembly to move in three directions of an X axis, a Y axis and a Z axis.
The milling tool assembly comprises a milling tool bit, a main shaft for mounting the milling tool bit and a main shaft rotation driving device, and the three-shaft driving system comprises a first directional movement mechanism, a second directional movement mechanism and a third directional movement mechanism which are mutually associated. Each direction movement mechanism consists of a movement part and a driving mechanism for driving the movement part to move linearly. The motion part of the first motion mechanism is movably arranged relative to the rack through a linear guide rail mechanism, the motion part of the second motion mechanism is movably arranged relative to the motion part of the first motion mechanism through the linear guide rail mechanism, and the motion part of the third motion mechanism is movably arranged relative to the motion part of the second motion mechanism through the linear guide rail mechanism. The milling cutter system is mounted on the moving part of the third movement mechanism.
Furthermore, the spindle rotation driving device is a spindle motor, an output shaft of the spindle motor is used as a spindle for mounting a milling cutter head downwards vertically, the milling cutter head is fixedly arranged at the lower end of the output shaft of the spindle motor, and the milling cutter head is composed of a cutter chuck and a milling cutter.
Furthermore, milling cutter head department is equipped with a dust hood, the dust hood is including enclosing the tube-shape portion that keeps off in the tool bit side, tube-shape portion side is equipped with the dust exhaust interface, the dust exhaust interface connection dust exhaust pipeline. The upper end of the cylindrical part is sealed with the outer side face of the lower end of the shell of the spindle motor, the lower end of the cylindrical part comprises a section of soft cylinder part, and the soft cylinder part is connected with the main body part of the cylindrical part in a sealing mode.
The invention has the beneficial effects that: 1. the mode that two sets of feeding systems are arranged side by side is adopted, the conveying and the processing of the chopping board are finished on the two sets of feeding systems in a staggered mode, the milling system does not need to wait for the conveying process of the feeding systems, the processing operation can be continuously executed, and the processing efficiency can be basically doubled. 2. The combination sets up positioning mechanism and centre gripping transport mechanism, realizes setting up positioning mechanism outside the machining-position, and the location process can be accomplished among the course of working, and the processing operation need not to wait until the location is accomplished. 3. The clamping and conveying mechanism has two functions of clamping and conveying the chopping board, so that the high-precision linear motion of the chopping board in the conveying process is effectively ensured; 4. the special flattening mechanism is arranged, so that the problem that the machining precision is influenced due to the unevenness of the chopping board is solved, and meanwhile, a certain correcting effect is achieved on the chopping board.
Drawings
Fig. 1 and 2 are schematic diagrams of the overall structure of the full-automatic cutting board milling groove machining center.
Fig. 3 and 4 are partial structural schematic diagrams of the full-automatic anvil milling groove machining center shown in fig. 1.
Fig. 5 and 6 are schematic structural diagrams of the feeding system of the full-automatic cutting board milling and grooving machining center shown in fig. 1.
Fig. 7 and 8 are schematic views of the arrangement mode of a positioning part of the positioning mechanism.
Fig. 9, 10 and 11 are schematic diagrams of the positioning mechanism.
Fig. 12, 13 and 14 are schematic views of the arrangement structure of the flattening mechanism.
Description of the labeling:
11. a frame; 12. a work table; 13. a gantry;
21. a left side plate; 211. a first front baffle; 212. a side barrier strip; 22. a middle vertical plate; 221. a second front baffle; 222. a side dam; 23. a right side plate;
31. a clamping assembly mounting plate; 311. a travel contact pin; 32. a clamping cylinder; 33. a clamping jaw cylinder; 34. a connecting plate; 35. a travel switch; 36. a transfer cylinder;
41. positioning a cylinder mounting plate; 42. a flexible positioning cylinder; 421. a flexible element; 43. a positioning cylinder is obliquely arranged; 431. positioning a baffle sheet; 432. mounting a bracket;
51. a flattening clamping cylinder; 52. a left plate and a right plate; 53. an intermediate pressing plate; 54. a right pressure plate;
61. a dust exhaust interface; 62. a soft body part; 63. a spindle motor; 64. a third screw motor;
7. a discharging mechanism; 71 discharge motor.
Detailed Description
The structure and operation of the full-automatic anvil slot milling center according to the present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1-4, the full-automatic chopping block milling groove machining center of the embodiment is slightly long in the longitudinal direction and slightly short in the transverse direction, all mechanism systems are uniformly arranged on a rack 11, a working table 12 is arranged on the upper portion of the rack, a left feeding system and a right feeding system are arranged on the upper portion of the working table side by side, a milling system assembly is arranged on the front portion of the rack, a discharging system 7 is arranged at the front end of the rack, a main conveying portion of the discharging system is a row of equal-length discharging carrier rollers which are arranged in parallel in the transverse direction, and all the discharging carrier rollers are driven by a discharging motor 71 to rotate synchronously. The length of the discharging carrier roller is larger than the parallel width of the two feeding systems.
Referring to fig. 5-6, the two feeding systems are bilaterally symmetrical, share a middle vertical plate 22 which is directly fixed on the working table, and the left side and the right side of the middle vertical plate are respectively provided with a side plate 21, 23. The two side plates are respectively arranged on the working table surface through a transverse sliding rail mechanism, and the two side plates are fixed with the working table surface through bolts or pins. The middle vertical plate is respectively provided with L-shaped step structures close to the two sides of the upper edge, and the side plates at the two sides are respectively provided with L-shaped step structures which are paired with the step structures at the two sides of the middle vertical plate close to the upper edge. The L-shaped step structure forms a material supporting structure, and the step surface of the L-shaped step structure is a material supporting plane and is also a reference surface for conveying the chopping board. The chopping block is placed in the feeding system and in the conveying process, and two transverse side edges of the chopping block are respectively lapped on the step surface.
The material loading station is located feeding system's latter half, and the middle part that corresponds the material loading station above curb plate 21, 23 is equipped with side blend stop 212 immediately, and the slope of side blend stop upper end to the material loading station outside corresponds the material loading station above the intermediate riser 22 and is equipped with two side dams 222, the side dam is the upper end to the slope of material loading station outside and sets up equally, and the side blend stop is bigger with the side dam upper end lateral distance than the lower extreme distance, can conveniently place the chopping block at the material loading station. The position that corresponds the front end of material loading station on curb plate and the middle riser sets up a preceding baffle 211, 221 respectively, the vertical setting of preceding baffle, only hold the chopping block of a flat putting between the step face along with L shape stair structure under the preceding baffle and pass through. The four side baffles of the two feeding systems are pairwise paired, and the upper ends of each pair of side baffles are connected through a short connecting plate, so that the strength of the side baffles can be effectively increased.
Centre gripping transport mechanism sets up between curb plate and intermediate riser, including a pair of centre gripping subassembly, a pair of centre gripping subassembly sets up on centre gripping subassembly mounting panel 31, and the centre gripping subassembly mounting panel passes through vertical linear guide mechanism and sets up on table surface. The conveying cylinder 36 is longitudinally arranged, the cylinder body of the conveying cylinder 36 is fixed with the working table surface, and the front end of the piston rod of the conveying cylinder 36 is fixedly connected with the clamping component mounting plate 31. The clamping assembly comprises a clamping jaw assembly and a clamping cylinder 32, the clamping jaw assembly comprises a clamping jaw cylinder, the clamping jaw cylinder 33 is fixedly arranged below a connecting plate 34, and the upper surface of the connecting plate 34 is flush with the conveying reference plane of the chopping board. The piston rod of the clamping jaw cylinder is used as a clamping jaw and faces upwards vertically, a through hole is formed in the connecting plate 34 corresponding to the piston rod of the clamping jaw cylinder, and the piston rod of the clamping jaw cylinder moves upwards to penetrate through the connecting plate from the through hole to the upper side from the lower side of the connecting plate. When the piston rod of the clamping jaw cylinder descends to the lowest position, the upper end of the piston rod is lower than the upper surface of the connecting plate or is level with the upper surface of the connecting plate, and when the piston rod of the clamping jaw cylinder ascends to the highest position, the height of the upper end of the piston rod, which is higher than the upper surface of the connecting plate, is smaller than the thickness of a anvil plate. The connecting plate 34 is slidably disposed on the clamping assembly mounting plate 31 through a longitudinal linear guide mechanism. The clamping cylinder 32 is longitudinally arranged, the cylinder body of the clamping cylinder 32 is fixed with the clamping component mounting plate, and the front end of the piston rod of the clamping cylinder 32 is fixedly connected with the connecting plate.
In order to control the stroke of the clamping and conveying mechanism, a stroke contact pin 311 is fixedly arranged on the side surface of the clamping component mounting plate 31, and a stroke switch 35 is respectively arranged on the front and the rear of the stroke contact pin on the working table surface.
The milling system assembly comprises a milling cutter assembly and a three-axis driving system for driving the milling cutter assembly to move in three directions of an X axis, a Y axis and a Z axis.
The milling cutter assembly comprises a milling cutter and a spindle motor 63, an output shaft of the spindle motor is erected downwards, and the milling cutter is tightly assembled at the lower end of the output shaft of the spindle motor through a clamping head. The spindle motor is fixedly arranged on the spindle motor mounting vertical plate.
The three-axis driving system comprises a portal frame 13 which is arranged relative to the rack in a longitudinal movable mode through a longitudinal linear guide rail mechanism and serves as a moving part of the first motion mechanism, the portal frame stretches across the upper portion of the front portion of the rack, a portal frame bottom beam is arranged below the workbench, the first lead screw nut mechanism is longitudinally arranged on the rack, a lead screw nut is fixed with the bottom beam of the portal frame, a first lead screw is connected with a first lead screw motor, and the first lead screw nut mechanism drives the portal frame to longitudinally move relative to the rack.
The transverse vertical plate serving as a motion part of the second-direction motion mechanism can be transversely movably arranged on the side face of a cross beam of the portal frame through a transverse linear guide rail mechanism, the second lead screw nut mechanism is transversely arranged on the cross beam of the portal frame, the lead screw nut is fixed on the back face of the transverse vertical plate, the second lead screw is connected with a second lead screw motor, and the second lead screw nut mechanism drives the transverse vertical plate to transversely move relative to the portal frame. The main shaft motor mounting vertical plate as a movement part of the third direction movement mechanism is arranged on the front surface of the transverse vertical plate in a liftable mode through the vertical linear guide rail mechanism, the third screw rod nut mechanism is vertically arranged on the transverse vertical plate, the screw rod nut is fixed to the back surface of the main shaft motor mounting vertical plate, the third screw rod is connected with the third screw rod motor 64, and the third screw rod nut mechanism drives the main shaft motor mounting vertical plate to vertically move relative to the transverse vertical plate.
Milling cutter head department is equipped with a suction hood, the suction hood is including enclosing the tube-shape portion that keeps off in the tool bit side, tube-shape portion side is equipped with dust exhaust interface 61, dust exhaust interface connection dust exhaust pipeline. The upper end of the cylindrical part is sealed with the outer side surface of the lower end of the shell of the spindle motor, the lower end of the cylindrical part comprises a section of soft cylinder part 62, and the soft cylinder part is connected with the main body part of the cylindrical part in a sealing way.
Referring to fig. 7-11, the positioning mechanisms are arranged at the feeding stations, and each set of feeding system is provided with one set of positioning mechanism, which comprises a flexible positioning assembly arranged on the side plate and two sets of positioning sheet assemblies arranged on the middle vertical plate.
The positioning sheet assembly is arranged outside the side baffle and comprises a positioning baffle 431 serving as a first/second positioning piece and an inclined positioning cylinder 43 serving as a first/second positioning cylinder, the inclined positioning cylinder is arranged downwards in an inclined manner, the positioning baffle 431 is fixedly connected to the lower end of a piston rod of the inclined positioning cylinder 43, a cylinder body of the inclined positioning cylinder is fixedly arranged on an installation support 432, and the installation support 432 is fixed with the middle vertical plate 22. The positioning flaps 431 pass through the side dams 222 from the outside to the inside.
The flexible positioning assembly is arranged outside the side plate 21 and comprises a flexible positioning cylinder 42 serving as a third positioning cylinder and a flexible element 421 serving as a third positioning part, a piston rod of the flexible positioning cylinder 42 is transversely arranged inwards, a cylinder body is fixed on a positioning cylinder mounting plate 41, the rear end of the flexible element 421 is fixedly connected with the front end of the piston rod of the flexible positioning cylinder 42, and the front end of the flexible positioning cylinder penetrates through the side plate inwards.
Referring to fig. 11-14, the processing station is located in the front half of the feeding system, and the two sets of pressing mechanisms respectively corresponding to the processing stations of the two sets of feeding systems comprise three pressing plates and eight pressing cylinders 51, the three pressing plates are respectively a left pressing plate 52 and a middle pressing plate 53, the left pressing plate is horizontally and fixedly installed on the upper edge of the left side plate corresponding to the machining station, the right side edge of the left pressing plate extends towards the inner side of the machining station and is suspended above the step surface of the L-shaped step structure of the left side plate, the middle pressing plate is horizontally and fixedly installed on the upper edge of the middle vertical plate corresponding to the machining station, the left side edge and the right side edge of the middle pressing plate respectively extend towards the inner sides of the machining stations of the two feeding systems and are suspended above the step surfaces of the L-shaped step structures on the two sides of the middle vertical plate, the right pressing plate is horizontally and fixedly installed on the upper edge of the right side plate corresponding to the machining station, and the left side edge of the right pressing plate extends towards the inner side of the machining station and is suspended above the step surface of the L-shaped step structure of the right side plate.
The eight jacking cylinders are arranged upwards in a standing mode, a jacking leg is fixedly assembled at the upper end of each piston rod, and the upper surface of each jacking leg is flat. The first jacking cylinder and the second jacking cylinder are fixedly arranged below an inner left pressing plate at the position of the left side plate corresponding to the processing station, the third jacking cylinder and the fourth jacking cylinder and the fifth jacking cylinder and the sixth jacking cylinder are respectively and fixedly arranged below middle pressing plates at two sides of a middle vertical plate corresponding to the processing station, and the seventh jacking cylinder and the eighth jacking cylinder are fixedly arranged below an inner right pressing plate at the position of the right side plate corresponding to the processing station.
The chopping block conveying control system respectively controls the operation of the two feeding systems and the discharging system, and the chopping block conveying control system specifically comprises: collecting signals of all sensors arranged in a feeding system, and making corresponding response according to program setting; controlling the forward and reverse actions of the inclined positioning cylinder 43 and the flexible positioning cylinder 42 to complete the transverse positioning of the chopping board; the forward and reverse actions of the clamping cylinder 32 and the clamping jaw cylinder 33 are controlled to complete clamping and unclamping of the chopping board; controlling the forward and reverse actions of the conveying cylinder 36 to complete the conveying of the chopping board from the feeding station to the processing station and the resetting of the clamping and conveying mechanism; controlling the forward and reverse actions of the jacking cylinder 51, and performing jacking and flattening on the chopping board and releasing jacking; and controlling the starting and stopping of the discharging motor 71.
The milling control system controls the action of the milling system assembly and specifically comprises: collecting signals of all sensors arranged in the milling system assembly, and making corresponding response according to program setting; controlling the starting and stopping of a spindle motor; and controlling the positive and negative rotation and the output angle of the first screw rod motor, the second screw rod motor and the third screw rod motor so as to control the feed path of the cutter.
Taking the example that the cutting board is firstly machined from the left cutting board when the machine is started, the working process of the cutting board groove milling machining center is as follows:
initialization preparation: the cutting board transmission control system resets the clamping transmission mechanisms of the two feeding systems respectively, and the milling control system controls the milling cutter to enter a left processing station to stand by through the three-axis driving system. The operation work is to stack a plurality of cutting boards at a feeding station;
firstly, a cutting board conveying control system controls a left positioning mechanism to position the bottommost cutting board, then controls a left clamping and conveying system to convey the positioned bottommost cutting board to a front machining station, then controls a flattening mechanism to compress the cutting board, then sends a left cutting board conveying in-place signal to a milling control system, and then controls the left clamping and conveying mechanism to reset backwards;
the milling control system detects a left chopping block in-place transmission signal, controls the starting of the spindle motor after confirming that the chopping block is in place, and controls the three-axis driving system to work and execute the processing of the chopping block on the left processing station;
meanwhile, the cutting board transmission control system controls the right side positioning mechanism to position the bottommost cutting board, then controls the right side clamping transmission mechanism to transmit the positioned bottommost cutting board to a front machining station, controls the flattening mechanism to compress the cutting board, then sends a right side cutting board transmission in-place signal to the milling control system, and then controls the right side clamping transmission mechanism to reset backwards;
after the cutting board on the left processing station is processed, a left station processing completion signal is sent to a cutting board transmission control system, then a right cutting board transmission in-place signal is detected, and after the cutting board is confirmed to be in place, the milling control system controls a milling cutter to enter the right processing station through controlling a second screw rod motor in the three-axis driving system so as to execute processing;
after the chopping board transmission control system receives the left station processing completion signal, the left positioning mechanism is controlled to position the bottommost chopping board, and then the left clamping transmission system is controlled to transmit the positioned bottommost chopping board to the front processing station. Then the flattening mechanism is controlled to compact the chopping block, then a left chopping block in-place transmission signal is sent to the milling control system, and then the left clamping and conveying mechanism is controlled to reset backwards; at the moment, the previous cutting board is pushed out of the processing station by the next cutting board and slides onto a discharging carrier roller of a discharging system, and the rotating discharging carrier roller then sends out the processed cutting board;
after the cutting board on the right processing station is processed, sending a right station processing completion signal to a cutting board transmission control system, detecting a left cutting board transmission in-place signal, and after the cutting board is confirmed to be in place, controlling a milling cutter to enter the left processing station by the milling control system through controlling a second screw rod motor in the three-axis driving system to execute processing;
after receiving the processing completion signal of the right station, the chopping block transmission control system controls the right positioning mechanism to position the bottommost chopping block, controls the right clamping and transmission system to transmit the positioned bottommost chopping block to the front processing station, controls the flattening mechanism to press the chopping block, sends a right chopping block transmission in-place signal to the milling control system, and controls the right clamping and transmission mechanism to reset backwards; at the moment, the previous processed cutting board is pushed out of the processing station by the next cutting board and slides onto a discharging carrier roller of a discharging system, and the rotating discharging carrier roller then sends out the processed cutting board;
the automatic continuous operation is repeated, so that the high-efficiency automation of the groove milling processing on the surface of the chopping board is realized; and (4) automatically processing the base, and putting a new chopping board into the feeding work by an operator in time.
When the chopping board transmission control system collects a fault signal sent by the sensor, the action of the chopping board transmission system assembly is stopped, a stop signal is transmitted to the milling control system, and the milling control system stops the action of the milling system assembly after receiving the signal. Similarly, when the milling control system collects a fault signal sent by the sensor, the milling system assembly stops acting, a stop signal is transmitted to the cutting board transmission control system, and the cutting board transmission control system stops acting after receiving the signal.
The rear end of the feeding system of the cutting board milling groove machining center adopts an open structure and can be connected with the discharging system of the preorder machining equipment, so that a multi-process cutting board machining production line can be formed.

Claims (5)

1. A full-automatic chopping block milling flutes machining center, characterized by, including chopping block conveying system assembly and milling system assembly; the cutting board conveying system assembly comprises two feeding conveying systems and a discharging system, wherein the two feeding conveying systems are arranged side by side, and each feeding conveying system comprises a processing station for a cutter to complete processing; the milling system assembly only comprises one set of milling cutter assembly, the milling cutter assembly performs reciprocating operation between processing stations of the two sets of feeding and conveying systems, and each cutting board on the processing stations of the two sets of feeding and conveying systems is processed when the milling cutter assembly reciprocates once; when the milling cutter assembly performs machining at a machining station of one feeding system, the other feeding system sends a cutting board to be machined to the machining station;
each set of feeding and conveying system also comprises a feeding station capable of stacking a plurality of cutting boards, a clamping and conveying mechanism for conveying the cutting boards to be processed to the processing station from the feeding station, a positioning mechanism for correcting the positions of the cutting boards before processing, and a flattening mechanism for flattening the cutting boards to be processed;
a material supporting structure for placing the chopping blocks is arranged at the feeding station, a front baffle plate is arranged in front of the feeding station, and a space for only one flat chopping block to pass through is formed between the bottom edge of the front baffle plate and the material supporting plane;
the positioning mechanism is arranged at the feeding station and comprises a first positioning piece and a second positioning piece which are arranged at one side of the corresponding chopping board close to the other feeding system and a third positioning piece which is arranged at one side of the corresponding chopping board far away from the other feeding system; the first positioning piece and the second positioning piece are respectively arranged on the first positioning cylinder and the second positioning cylinder, and the third positioning piece is arranged on the third positioning cylinder; the first positioning cylinder and the second positioning cylinder are vertically arranged in an inclined manner, when the first positioning piece and the second positioning piece descend to the lowest position, the side positioning action surfaces of the first positioning piece and the second positioning piece are positioned on the positioning reference surface of the side, and when the first positioning piece and the second positioning piece ascend in the opposite direction, the side positioning action surfaces of the first positioning piece and the second positioning piece leave the positioning reference surface of the side; the third positioning cylinder is arranged perpendicular to the positioning reference surface at the side, the third positioning piece is fixedly assembled at the front end of the piston rod of the third positioning cylinder, a flexible section is arranged between the positioning action point at the front end and the fixed connection point of the rear end of the third positioning piece and the piston rod, and the flexible section can be bent when the positioning action point at the front end is subjected to radial force;
the cutting board conveying mechanism is arranged below a cutting board conveying plane and comprises a pair of clamping components, a clamping component mounting plate for arranging the clamping components, a conveying driving mechanism for driving the clamping component mounting plate and a conveying driving mechanism for driving the clamping components to move back and forth between a feeding station and a processing station, the clamping component mounting plate is movably arranged through a longitudinal linear guide rail mechanism, and the clamping components comprise clamping jaw components longitudinally movably arranged relative to the clamping component mounting plate and a clamping driving mechanism for driving the clamping jaw components to longitudinally move relative to the clamping component mounting plate; the clamping jaw assembly comprises a clamping jaw which can be arranged in a lifting manner, when the clamping jaw is lowered to a low position, the upper end of the clamping jaw is lower than the chopping board conveying plane, and when the clamping jaw is raised to a high position, the height of the upper end of the clamping jaw, which is higher than the chopping board reverse conveying plane, is smaller than the thickness of one chopping board;
the flattening mechanism is arranged at the processing station and used for flattening the processed chopping board from the edges of the two sides of the processed chopping board, and comprises a pressing plate and a jacking component, wherein the pressing plate is horizontally and fixedly arranged and is arranged above the non-processing areas at the two transverse sides of the chopping board conveyed to the processing station; the jacking components are arranged below non-processing areas on two transverse sides of the chopping block conveyed to the processing station, and each jacking component comprises a jacking foot capable of being lifted and a jacking driving mechanism capable of driving the jacking foot to move up and down.
2. The full-automatic cutting board slot milling machining center according to claim 1, wherein a cutting board transmission control system and a milling control system are respectively arranged for the cutting board transmission system assembly and the milling system assembly; the cutting board transmission control system controls the feeding work of the two feeding systems, and the milling control system controls the milling system assembly to work; the cutting board transmission control system and the milling control system are communicated with each other, the cutting board transmission control system sends a cutting board transmission in-place signal to the milling control system, and the milling control system sends a single-station processing completion signal to the cutting board transmission control system; when a certain set of feeding system transmits a cutting board to be machined to a machining station, the cutting board transmission control system collects a cutting board transmission in-place signal of the feeding system and transmits the cutting board transmission in-place signal to the milling control system, the milling control system controls the milling system assembly to execute machining, and the milling control system controls the milling system assembly to complete machining of the cutting board on the machining station of the certain feeding system and then transmits a machining completion signal to the cutting board transmission control system; the milling control system controls the milling system assembly to verify that the chopping block corresponding to a certain station is transmitted to an in-place signal before the milling system assembly performs processing on the certain station; before the cutting board transmission control system controls the feeding system to carry out transmission, a processing completion signal corresponding to a processing station of the feeding system is verified.
3. The full-automatic anvil slot-milling machining center according to claim 1, wherein the milling system assembly comprises a milling cutter assembly and a three-axis driving system for driving the milling cutter assembly to move in three directions of X axis, Y axis and Z axis; the milling cutter assembly comprises a milling cutter head, a main shaft for mounting the milling cutter head and a main shaft rotation driving device, the three-shaft driving system comprises a first directional movement mechanism, a second directional movement mechanism and a third directional movement mechanism which are mutually associated, and each directional movement mechanism consists of a movement part and a driving mechanism for driving the movement part to move linearly; the motion part of the first motion mechanism is movably arranged relative to the rack through a linear guide rail mechanism, the motion part of the second motion mechanism is movably arranged relative to the motion part of the first motion mechanism through the linear guide rail mechanism, and the motion part of the third motion mechanism is movably arranged relative to the motion part of the second motion mechanism through the linear guide rail mechanism; and the milling cutter system is arranged on the moving part of the third moving mechanism.
4. The full-automatic chopping block slot milling machining center according to claim 3, wherein the spindle rotation driving device is a spindle motor, an output shaft of the spindle motor is directed downward vertically as a spindle for mounting a milling cutter head, the milling cutter head is fixedly arranged at the lower end of the output shaft of the spindle motor, and the milling cutter head is composed of a cutter chuck and a milling cutter.
5. The full-automatic chopping block milling groove machining center according to claim 4, wherein a dust hood is arranged at the milling cutter head, the dust hood comprises a cylindrical part enclosed on the side surface of the milling cutter head, a dust exhaust port is arranged on the side surface of the cylindrical part, and the dust exhaust port is connected with a dust exhaust pipeline; the upper end of the cylindrical part is sealed with the outer side face of the lower end of the shell of the spindle motor, the lower end of the cylindrical part comprises a section of soft cylinder part, and the soft cylinder part is connected with the main body part of the cylindrical part in a sealing mode.
CN201710464714.1A 2017-06-19 2017-06-19 Full-automatic chopping block milling flutes machining center Active CN107297790B (en)

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CN112895025B (en) * 2021-01-18 2022-08-19 佛山市顺德区同佳威沣机械制造有限公司 A numerical control edge milling machine for processing of wood system pizza dish

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