CN112008618A - Intelligent cold press molding production line for metal grinding wheel and process control method - Google Patents
Intelligent cold press molding production line for metal grinding wheel and process control method Download PDFInfo
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- CN112008618A CN112008618A CN202010645299.1A CN202010645299A CN112008618A CN 112008618 A CN112008618 A CN 112008618A CN 202010645299 A CN202010645299 A CN 202010645299A CN 112008618 A CN112008618 A CN 112008618A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
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Abstract
The invention discloses an intelligent cold press molding production line of a metal grinding wheel and a flow control method, wherein the production line is of a symmetrical structure, two sides of a symmetry axis of the symmetrical structure are symmetrically provided with a workbench, a strickle rotary lifting mechanism, a die cold press conveying mechanism, a die alignment pushing mechanism, a die alignment mechanism and a cold press, and the method comprises the steps of placing a plurality of preassembled dies on the strickle rotary lifting mechanism which is symmetrically arranged to carry out feeding, strickling and complete assembly of the dies; the assembled die is transferred to a die cold-pressing conveying mechanism, and the die is conveyed to a cold press by the cold-pressing conveying mechanism to be cold-pressed; the cold press finishes the pushing mechanism to push the mould to the mould alignment mechanism; the mould alignment is accomplished, and the form removal mechanism carries out the form removal of mould to the mould propelling movement after will removing the form carries out the manual pre-assembly of mould to the workstation on, has that degree of automation is high, the product percent of pass is high, production efficiency is fast and practice thrift the characteristics of cost of labor.
Description
Technical Field
The invention belongs to the technical field of grinding wheel preparation, and particularly relates to an intelligent cold press molding production line for a metal grinding wheel and a process control method.
Background
The prior grinding processing mostly adopts ceramic resin bond grinding wheels for grinding, but the improvement of industrial and living standards can not meet new processing requirements for some materials with high hardness and large brittleness, such as ceramics, glass, precious stones and the like, and the metal bond grinding wheels are widely applied due to the excellent characteristics of high bonding strength, good formability, long service life and the like. At present, a sintered type of a metal grinding wheel which is widely applied is manufactured by using metal such as bronze and the like as a bonding agent through a high-temperature sintering method, and has more excellent characteristics of high bonding strength, good formability, high temperature resistance, good heat conductivity and wear resistance, long service life, capability of bearing larger load and the like.
The main manufacturing process flow of the sintered metal grinding wheel comprises material mixing, press forming, hot-press sintering, grinding processing and detection packaging, wherein the press forming process is a key process, the forming quality of the metal grinding wheel directly influences the quality of a final product, a cold forming process is usually adopted, the cold press forming process of the metal grinding wheel is mainly completed manually in the whole process, namely, the whole production flow is completed by operating personnel at specific stations, and a machine is only participated in production at special process points, so that the problems of high manual labor degree, low automation degree and the like can be solved. In addition, due to the subjectivity of station personnel, the problems of low quality consistency, low production efficiency and the like of cold-press forming workpieces can occur, and along with the economic development, the labor cost increasingly occupies a large proportion of the production cost, and meanwhile, the manual participation is not beneficial to the parametric control and the standardized production of the production process.
Disclosure of Invention
In order to solve the technical problems, the invention provides an intelligent cold press molding production line of metal grinding wheels and a flow control method, and the intelligent cold press molding production line has the characteristics of high product qualification rate, high production efficiency and labor cost saving.
An intelligent cold press molding production line of metal grinding wheels comprises a workbench and a control unit, wherein the production line is of a symmetrical structure, the two sides of the symmetry axis of the symmetrical structure are symmetrically provided with a strickle-off rotary lifting mechanism, a die cold-pressing conveying mechanism, a die pushing mechanism, a cold press and an automatic die stripping mechanism, wherein the scraping rotary lifting mechanism is used for carrying out rotary lifting on the mould and scraping materials in the mould, the cold die conveying mechanism is used for conveying the die which passes through the strickle rotary lifting mechanism to a cold press, the cold press is used for cold pressing the mould, the mould pushing mechanism is used for pushing the mould out of the cold press, the automatic die removing mechanism is used for removing a die, and the scraping rotary lifting mechanism, the die cold-pressing conveying mechanism, the die pushing mechanism, the cold press and the automatic die removing mechanism are all electrically connected with the control unit.
The scraping rotary lifting mechanism comprises a speed regulation box and a protective cover, a lifting mechanism and a rotating mechanism are arranged in the protective cover, the lifting mechanism comprises a lifting cylinder, a support column, a placing frame and a first guide shaft, the support column and the lifting cylinder are fixed on the lower end face of the placing frame, the lifting cylinder is fixed at the central position of the placing frame, the support column is fixed at the edge of the placing frame, the first guide shaft is fixed on the upper end face of the placing frame, the first guide shaft is connected with the rotating mechanism in a sliding mode, and the rotating mechanism is fixedly connected with an output shaft of the placing frame and the lifting cylinder through the placing frame.
The rotary mechanism comprises a motor, a coupler, a rotary table, a U-shaped limiting frame and a fastening plate, an output shaft of the lifting cylinder is fixedly connected with the U-shaped limiting frame, the U-shaped limiting frame is fixedly connected with the fastening plate, the motor is fixedly arranged between the U-shaped limiting frame and the fastening plate, the fastening plate is slidably connected with a first guide shaft, a through hole is formed in the fastening plate, the output shaft of the motor is rigidly connected with the coupler through hole, the coupler is fixedly connected with the rotary table, the rotary table is movably connected with the table top of the workbench, a speed regulating box is fixedly arranged on the lower table top of the workbench, and the speed regulating box is electrically connected with the motor.
The die cold pressing conveying mechanism comprises a starting switch, a first conveying mechanism, a lifting device and a second conveying mechanism, wherein the first conveying mechanism and the second conveying mechanism are arranged on the workbench in parallel, the second conveying mechanism is connected with the first conveying mechanism in a lifting contact mode through the lifting device, and the starting switch, the first conveying mechanism, the lifting device and the second conveying mechanism are all connected with the control unit.
The first conveying mechanism comprises a first conveying electric cylinder, a slide way and a tray, the first conveying electric cylinder is arranged below the table top of the workbench, an output shaft of the first conveying electric cylinder is fixedly connected with the tray, and the tray is connected with the slide way in a sliding manner; elevating gear includes lift electric jar, supporting disk and second guiding axle, the second guiding axle set up on table surface and with supporting disk sliding connection, the lower quotation of supporting disk and the output shaft fixed connection of lift electric jar, be fixed with second conveying mechanism in the last quotation of supporting disk, second conveying mechanism includes second transport electric jar and carriage, the second is carried the electric jar and is set up in the last quotation of supporting disk, the output shaft and the carriage rigid connection of second transport electric jar, the carriage with the contact connection of tray liftable, first transport electric jar, lift electric jar and second transport electric jar all are connected with the control unit electricity. Mould push mechanism includes frame, propelling movement electric jar protection casing, adjusting screw and propelling movement electric jar, the frame passes through adjusting screw and propelling movement electric jar protection casing swing joint, be provided with the propelling movement electric jar in the propelling movement electric jar protection casing, the last piston cylinder end of propelling movement electric jar is provided with second profile modeling cushion.
The terminal of mould push mechanism propelling movement direction is provided with mould alignment mechanism, mould alignment mechanism includes alignment motor, alignment carousel and mould alignment infrared sensor, is provided with the alignment motor on the lower mesa of workstation, and the output shaft of alignment motor passes through workstation mesa and alignment carousel rigid connection, and one side of alignment carousel is provided with alignment infrared sensor.
The manual operation positions are arranged between the scraping rotary lifting mechanisms which are symmetrically arranged, the manual operation positions comprise a mold pre-assembly manual operation position and a mold scraping assembly manual operation position, the mold scraping assembly manual operation positions are symmetrically arranged on two sides of the mold pre-assembly manual operation position, and the mold pre-assembly manual operation positions are arranged at the positions of the symmetrical axes of the symmetrical structure.
Be provided with unburned bricks push mechanism on the workstation of automatic form removal mechanism below, unburned bricks push mechanism is including supporting frame, height adjustment screw rod, electric jar protection casing, unburned bricks propelling movement electric jar and third profile modeling cushion, the supporting frame passes through height adjustment screw rod and electric jar protection casing swing joint, be provided with unburned bricks propelling movement electric jar in the electric jar protection casing, unburned bricks propelling movement electric jar is connected with the control unit electricity, the piston rod end of unburned bricks propelling movement electric jar is provided with the mounting panel, the symmetry is provided with third profile modeling cushion on the mounting panel.
A flow control method of a metal grinding wheel intelligent cold press molding production line comprises the following steps,
the method comprises the following steps: manually and alternately placing a plurality of pre-assembled moulds in a scraping rotary lifting mechanism which is symmetrically arranged in sequence for feeding, spreading, scraping and completely assembling the moulds;
step two: manually transferring the assembled die to a die cold-pressing conveying mechanism, and controlling the die cold-pressing conveying mechanism by a control unit to convey the die to a cold press;
step three: the control unit controls the cold press machine to perform cold pressing work;
step four: after the control unit receives a cold pressing signal of the cold press, the control unit controls the pushing mechanism to push the die to the die alignment mechanism for alignment, and meanwhile, the pushing mechanism resets;
step five: after the alignment of the mold is completed, the control unit controls the mold removing mechanism to remove the mold, and meanwhile, the mold after being removed is pushed to the workbench to be manually preassembled.
The invention discloses an intelligent cold press molding production line of metal grinding wheels and a process control method, wherein the production line adopts a symmetrical layout mode, the layout of a symmetrical structure can realize mould conveying, cold pressing and mould pushing independently run on two sides of a symmetrical shaft, and finally are combined into a process flow at the position of an automatic mould removing mechanism, so that the beats of all the processes can be effectively connected, equipment on the production line is maximally utilized, the floor area of the equipment is saved, the automatic control of the process flow is realized, the manual production participation process is reduced, the labor cost is saved, the production process is prevented from being over-experienced, the parameterization of the process is realized, and the standardized production is facilitated.
Drawings
FIG. 1 is a schematic diagram of an intelligent cold press molding production line for metal grinding wheels;
fig. 2 is a schematic structural view of a metal grinding wheel die.
FIG. 3 is a schematic view of a strike-off rotary lift mechanism;
FIG. 4 is a schematic view of a die cold press feed mechanism;
FIG. 5 is a top view of a simulated tool cold press feed mechanism;
FIG. 6 is a schematic view of a mold alignment pusher mechanism;
FIG. 7 is a schematic view of a mold alignment mechanism;
FIG. 8 is a schematic view of an automatic form removal mechanism;
FIG. 9 is a schematic view of the upper jaw configuration;
FIG. 10 is a left side view of FIG. 9;
FIG. 11 is a schematic view of the first stripping station;
FIG. 12 is a schematic view of the lower jaw structure;
fig. 13 is a schematic view of a green body pushing mechanism.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is understood that the described embodiments are merely some implementations, rather than all implementations, and that all other embodiments that can be derived by one of ordinary skill in the art based on the described embodiments are intended to be within the scope of the present invention.
As shown in fig. 1, an intelligent cold press molding production line for metal grinding wheels comprises a workbench 1 and a control unit, the production line is of a symmetrical structure, a symmetrical axis of the symmetrical structure is symmetrically provided with a scraping rotary lifting mechanism 3, a mold cold press conveying mechanism 5, a mold pushing mechanism 6, a cold press 7 and an automatic form removing mechanism 9, wherein the scraping rotary lifting mechanism 3 is used for carrying out rotary lifting on a mold and scraping materials in the mold, the mold cold press conveying mechanism 5 is used for conveying the mold passing through the scraping rotary lifting mechanism 3 to the cold press 7, the cold press 7 carries out cold pressing on the mold, the mold pushing mechanism 6 is used for pushing out the mold from the cold press 7, the automatic form removing mechanism 9 is used for removing the mold, and the scraping rotary lifting mechanism 3, the mold cold press conveying mechanism 5, the mold pushing mechanism 6, The cold press 7 and the automatic form removing mechanism 9 are both electrically connected with a control unit, and the control unit is a PLC.
As shown in fig. 2, the metal grinding wheel mold comprises a mold ring 14, a lower pressing ring 15, an upper pressing ring 16 and a mold core 17, wherein the mold ring 14 is a hollow cylindrical cylinder with an upper opening and a lower opening, and a reinforcing edge 19 is arranged on the circumference of the upper edge and the lower edge of the mold ring 14. The utility model discloses a mould, including mould ring 14, upper shed department, lower opening department, mould ring 14, upper shed department is provided with clamping ring 16 down, the central point of going up clamping ring 16 and clamping ring 15 puts all to be provided with the cylinder hole down, core 17 is solid cylinder, the height of core 17 is the same with the height of mould ring 14, core 17 cup joints between upper shed 16 and clamping ring 15 through the cylinder hole of going up clamping ring 16 and clamping ring 15 down.
A lower backing plate 13 is arranged below the lower pressing ring 15, an upper backing plate 18 is arranged on the upper pressing ring 16, the lower backing plate 13 and the upper backing plate 18 are both of solid disc structures, and reinforcing edges 19 are arranged on the circumferences of the upper and lower disc surface edges of the upper backing plate 18. The lower backing plate 13 is provided with a form removal interface, the form removal interface comprises a through hole 11 and a limiting groove 12, the through hole 11 is a circular through hole, the through hole 11 is arranged at the center of the lower backing plate 13, and the through hole 11 and the mold core 17 are located on the same axis. The limiting grooves 12 are uniformly formed in the edge of the lower base plate 13, and the limiting grooves 12 are fan-shaped limiting grooves.
The scraping and rotating lifting mechanisms 3 which are symmetrically arranged are provided with manual operation positions, the manual operation positions comprise a mold pre-assembly manual operation position 10 and a mold scraping and assembling manual operation position 4, the mold scraping and assembling manual operation positions 4 are symmetrically arranged on two sides of the mold pre-assembly manual operation position 10, and the mold pre-assembly manual operation position 10 is arranged at the position of a symmetry axis of a symmetric structure.
The assembling of the metal grinding wheel mold comprises pre-assembling and complete assembling, wherein the pre-assembling of the metal grinding wheel mold is carried out at a mold pre-assembling manual operation position 10, a mold ring 14 is placed on a lower backing plate 13, a lower pressing ring 15 is placed in the mold ring 14, and finally a mold core 17 is placed in a cylindrical hole in the lower pressing ring 15 to complete the pre-assembling of the metal grinding wheel mold.
After the pre-assembling is completed, the metal grinding wheel mold is transferred to a mold leveling and assembling manual operation position 4, the pre-assembled lower pressing ring 15 is fed, the metal grinding wheel mold is placed on the leveling rotary lifting mechanism 3 after the feeding is completed, the material is spread and leveled, after the leveling is completed, the upper pressing ring 16 is manually placed on the mold core 17, and the upper backing plate 18 is placed on the upper pressing ring 16 to complete the complete assembling of the metal grinding wheel mold.
As shown in fig. 3, the strickle rotating and lifting mechanism 3 includes a speed regulating box 301 and a protective cover 302, a lifting mechanism 303 and a rotating mechanism 304 are disposed in the protective cover 302, the lifting mechanism 303 includes a lifting cylinder 305, a supporting column 306, a placing frame 307 and a first guiding shaft 308, the supporting column 306 and the lifting cylinder 305 are fixed on the lower end surface of the placing frame 307, the supporting column 306 is fixed on the edge of the placing frame 307 and is used for supporting the placing frame 307, the lifting cylinder 305 is fixed at the central position of the placing frame 307, the supporting column 306 and the placing frame 307 jointly act to carry the lifting cylinder 305 and the rotating mechanism 304 fixedly connected with the output shaft of the lifting cylinder 305, the first guiding shaft 308 is fixed on the upper end surface of the placing frame 307, the first guiding shafts 308 are multiple and uniformly fixed on the edge of the upper end surface of the placing frame 307, and the first guiding shafts 308 are, the rotating mechanism 304 is fixedly connected with an output shaft of the lifting cylinder 305 through a placing frame 307.
Scraping rotary lifting mechanism 3 realizes the lifting and the rotation action of metallic grinding wheel mould, place the metallic grinding wheel mould of accomplishing in advance on scraping rotary lifting mechanism 3's carousel 313, and throw the material, the lifting cylinder 305 lifting is controlled to the control unit, the upward extension motion is done to the output shaft of lifting cylinder 305, thereby drive rotary mechanism 304 and do the lifting motion along first guiding axle 308, rotary mechanism's lifting has the staff to carry out the operation of strickleing, then, the manual work sets up speed regulating box 301 and makes motor 311 start with suitable rotational speed, motor 311 drives carousel 313 through shaft coupling 310 and rotates, carousel 313 drives the metallic grinding wheel mould that the preassembly was accomplished and rotates in order to make things convenient for the manual work to shakeout the process of material and strickleing.
After the processes of spreading and leveling are completed, the metal grinding wheel die is manually completely assembled, the assembled metal grinding wheel die is transferred to the die cold-pressing conveying mechanism 5, the die cold-pressing conveying mechanism 5 comprises a starting switch, a first conveying mechanism, a lifting device and a second conveying mechanism, the first conveying mechanism and the second conveying mechanism are arranged on the workbench in parallel, the second conveying mechanism is connected with the first conveying mechanism in a lifting contact mode through the lifting device, and the starting switch, the first conveying mechanism, the lifting device and the second conveying mechanism are all electrically connected with the control unit.
As shown in fig. 4 to 5, the first conveying mechanism includes a first electric conveying cylinder, a slide 504 and a tray 505, the first electric conveying cylinder is disposed under the table top of the workbench 1, an output shaft of the first electric conveying cylinder is fixedly connected with the tray 505, and the tray 505 is slidably connected with the slide 504; the lifting device comprises a lifting electric cylinder, a supporting plate 503 and a second guide shaft 502, the second guide shaft 502 is arranged on the working table and is in sliding connection with the supporting plate 503, the lower plate surface of the supporting plate 503 is fixedly connected with the output shaft of the lifting electric cylinder, the upper plate surface of the supporting plate 503 is fixedly provided with a second conveying mechanism, the second conveying mechanism comprises a second conveying electric cylinder 501 and a conveying frame 506, the second conveying electric cylinder 501 is arranged on the upper plate surface of the supporting plate 503, the output shaft of the second conveying electric cylinder 501 is rigidly connected with the conveying frame 506, the conveying frame 506 is in lifting contact connection with the tray 505, the conveying frame 506 comprises an upper L-shaped support 507 and a lower L-shaped support 508, the plane of the upper L-shaped support 507 is perpendicular to the plane of the lower L-shaped support 508, one end of the upper L-shaped support 507 is fixedly connected with the output shaft of the second conveying electric cylinder 501, the other end of the upper L-shaped support 507 is fixedly connected with one end of the lower L-shaped support 508, a first profiling cushion block 509 is fixedly arranged at the other end of the lower L-shaped support 508, the first profiling cushion block 509 is connected with the tray 505 in a lifting contact manner, and the first conveying electric cylinder, the lifting electric cylinder and the second conveying electric cylinder 501 are all electrically connected with the control unit.
The cold-pressing die conveying mechanism 5 ensures the stability of metal grinding wheel die conveying, and as the longer the output shaft of the electric cylinder is, the more expensive the output shaft is and the control precision is reduced, the technical means of relay conveying of the first conveying electric cylinder and the second conveying electric cylinder is adopted to save the production cost and improve the control precision; the first profiling cushion block 509 has a function of limiting the mold in the process of conveying the mold, so that the stability of the metal grinding wheel mold in the conveying process is ensured.
After the metal grinding wheel die is placed on the tray 505 in the die cold-pressing conveying mechanism 5, the starting switch is manually turned on, then the control unit controls the first electric conveying cylinder to work, the output shaft of the first electric conveying cylinder pushes the tray 505 along the slideway 504, after the control unit detects that the output shaft of the first electric conveying cylinder is pushed in place, the lifting electric cylinder in the lifting device makes the supporting plate 503 perform descending operation along the second guiding shaft 502, the supporting plate 503 drives the second conveying mechanism to descend, when the lifting device is lowered to the lowest position, the first profiling cushion block 509 of the second conveying mechanism is just contacted with the pallet 505, at this time, the control unit controls the output shaft of the first conveying electric cylinder to do retracting action, and at the same time, the second conveying electric cylinder works, that is, the output shaft of the second electric conveying cylinder is controlled to drive the conveying frame 506 to move horizontally, so that the metal grinding wheel mold on the tray 505 is pushed into the cold press 7 under the action of the thrust of the first profiling cushion block 509.
After the die is pushed to the cold press 7, the control unit controls the output shaft of the second conveying electric cylinder to retract and reset to the initial position after detecting that the output shaft of the second conveying electric cylinder is conveyed in place, the cold press 7 is started to start cold pressing of the metal grinding wheel die, and after cold pressing is completed, the control unit controls the cold press to lift and reset to the initial position and controls the lifting device to reset to the initial height. After the cold press is lifted and reset, the control unit controls the mold pushing mechanism 6 to work.
As shown in fig. 6, the mold pushing mechanism 6 includes a frame 601, a pushing electric cylinder shield 603, an adjusting screw 602, and a pushing electric cylinder 604, the frame 601 is movably connected to the pushing electric cylinder shield 603 through the adjusting screw 602, the pushing electric cylinder 604 is disposed in the pushing electric cylinder shield 603, and a second profiling cushion block 605 is disposed at a terminal of a piston cylinder on the pushing electric cylinder 604.
The control unit controls the work of the mold pushing mechanism 6, the piston rod on the pushing electric cylinder 604 extends to the cold press 7, and the metal grinding wheel mold after cold pressing is pushed to the mold aligning mechanism 2. After the pushing electric cylinder 604 is pushed in place, the control unit controls the pushing electric cylinder to retract and reset to an initial position, and simultaneously the control unit controls the mold alignment mechanism 2 to start working.
As shown in fig. 7, the mold alignment mechanism 2 includes an alignment motor, an alignment turntable 201, and a mold alignment infrared sensor 202, the alignment motor is disposed on the lower table top of the workbench, an output shaft of the alignment motor is rigidly connected to the alignment turntable 201 through the table top of the workbench, and the mold alignment infrared sensor 202 is disposed on one side of the alignment turntable 201.
The die alignment mechanism 2 starts to work, the alignment motor drives the alignment turntable 201 to rotate, the metal grinding wheel die on the alignment turntable rotates along with the alignment turntable, the die alignment infrared sensor 202 identifies a notch on the metal grinding wheel die, the notch is a notch arranged on the metal grinding wheel die and indicates the forward position of the metal grinding wheel die, and after the notch of the metal grinding wheel die is detected, the alignment motor stops moving, and the alignment of the metal grinding wheel die is completed.
After the metal grinding wheel die is aligned, the control unit controls the automatic die removing mechanism 9 to perform a die removing process of the metal grinding wheel.
As shown in fig. 8 to 12, the automatic form removing mechanism 9 comprises a form removing frame 902, a transverse transfer module 901, a longitudinal lifting module 907 and a form removing station 905, wherein the stripping frame 902 is arranged on a workbench, stripping stations 905 are symmetrically arranged on the workbench below the stripping frame 902, the stripping stations 905 include a first stripping station 903 and a second stripping station 904, a stripping jacking jaw 921 is arranged below the workbench of the first stripping station 903, a stripping electric cylinder 922 is arranged below the stripping jacking jaw 921, the stripping electric cylinder 922 is fixedly connected with a stripping top jaw 921, the longitudinal lifting module 907 is provided with a stripping clamping jaw 906 matched with the stripping top jaw 921, the stripping jaws 906 are fixedly arranged on a longitudinal lifting module 907, the longitudinal lifting module 907 is slidably connected with a transverse transfer module 901, the transverse transfer module 901 is fixedly arranged on the form removal frame 902 and is perpendicular to the direction of the symmetry axis.
The transverse transfer module 901 and the longitudinal lifting module 907 are linear motors. The linear motor comprises a stator and a rotor, the rotor can linearly move along the stator under the action of a magnetic field, the linear motor rotor in the transverse transfer module 901 is in sliding connection with the linear motor stator, the linear motor rotor in the longitudinal lifting module 907 is in sliding connection with the linear motor stator, the linear motor rotor in the transverse transfer module 901 is fixedly connected with the linear motor stator in the longitudinal lifting module 907, and the linear motor rotor in the longitudinal lifting module 907 is fixedly connected with the form-removing clamping jaw 906.
As shown in fig. 9 to 10, the mold removing clamping jaw 906 includes a first fixing plate 914 and a second fixing plate 908, one end of the first fixing plate 914 is fixedly connected to a longitudinal lifting module 907, the other end of the first fixing plate 914 is perpendicular to the second fixing plate 908, a clamping jaw cylinder 909 is disposed on the second fixing plate, a clamping jaw 910 is disposed on an output shaft of the clamping jaw cylinder 909, anti-slip blocks 912 are disposed on the clamping jaw 910, the clamping jaws 910 are three and uniformly distributed at 120 °, a sleeve 911 is disposed on an axis direction of the output shaft of the clamping jaw cylinder 909 and at a central position of the clamping jaws, a vacuum chuck is disposed in the sleeve 911, the vacuum chuck is connected to a vacuum pump, a plurality of sleeve supporting frames 913 are disposed on the sleeve 911, and the sleeve supporting frames 913 are fixedly connected to the second fixing plate 908.
As shown in fig. 11, the first stripping station 903 is provided with a stripping jaw sector through hole 915 and a stripping top jaw through hole, the stripping top jaw through hole comprises a circle center through hole 916 and a top jaw sector through hole 917, the circle center through hole 916 is located at the center of the stripping jaw sector through hole 915, and the stripping jaw sector through hole 915 and the top jaw sector through hole 917 are arranged in a staggered manner; the sector-shaped through holes 915 of the stripping jaw are three in number and are distributed at intervals of 120 degrees. And the second stripping station is provided with a stripping clamping jaw sector-shaped through hole 915.
The clamping jaw on the stripping clamping jaw 906 penetrates through the fan-shaped through hole 915 of the stripping clamping jaw to tightly press the metal grinding wheel mold on the workbench, and the stripping top jaw 921 can simultaneously penetrate through the circle center through hole 916 and the fan-shaped through hole 917 of the top jaw to eject the core mold in the metal grinding wheel mold tightly pressed on the workbench, so that the stripping is completed.
As shown in fig. 12, the stripping ejector 921 includes a circular connecting plate 920, sector-shaped ejector blocks 919 and cylindrical ejector blocks 918, the circular connecting plate 920 is fixedly disposed on the output shaft of the stripping electric cylinder 922, the cylindrical ejector blocks 918 are disposed at the center position on the circular connecting plate 920, the number of the sector-shaped ejector blocks 919 is three, and the sector-shaped ejector blocks 919 are uniformly disposed on the circular connecting plate at 120 ° intervals with the cylindrical ejector blocks 918 as the center.
The stripping clamping jaw 906 in the automatic stripping mechanism 9 moves to the mould alignment turntable 201 and clamps the metal grinding wheel mould, the stripping clamping jaw 906 transfers the metal grinding wheel mould to the first stripping station 903, then the stripping clamping jaw 906 clamps and places the upper backing plate 18 of the metal grinding wheel mould on the second stripping station 904, after the placement is completed, the stripping clamping jaw 906 moves to the first stripping station 903 again, the clamping jaw 910 passes through the stripping clamping jaw sector through hole 915 and presses the metal grinding wheel mould on the workbench tightly through the sleeve 911, then the controller controls the action of the stripping electric cylinder 922, the output shaft on the stripping electric cylinder 922 drives the stripping ejector pawl 921 to ascend, so that the sector ejector block 919 and the column ejector block 918 respectively pass through the ejector pawl sector through hole 917 and the circle center through hole 916, the sector ejector block 919 continuously ascends into the limiting groove 12 on the lower backing plate 13, and at the moment, the metal grinding wheel mould is kept in a stable state under the pressure of the stripping clamping jaw 906 and the limiting action of the sector ejector block 919, the cylindrical top block 918 continuously rises into the through hole 11 on the lower backing plate 13 to eject the core 17, meanwhile, the sucker in the sleeve 911 sucks the ejected core 17 in the sleeve 911, finally, the clamping jaws 910 clamp the die ring 14, the demolding clamping jaws 906 transfer the die ring 14 and the core 17 to the upper backing plate 18 on the second demolding station 904, and the green compact among the lower backing plate 13, the upper pressing ring 16, the lower pressing ring 15, the upper pressing ring 16 and the lower pressing ring 15 is remained on the first demolding station 904, so that the metal grinding wheel mold is disassembled.
And the disassembled metal grinding wheel mold is pushed to a pre-assembled manual operation table by a green body pushing mechanism 8, and the green body between the upper pressing ring 16 and the lower pressing ring 15 is manually taken out.
As shown in fig. 1, a green compact pushing mechanism 8 is arranged on the workbench below the automatic form removing mechanism 9, and the green compact pushing mechanisms 8 are symmetrically arranged on the workbench.
As shown in fig. 13, the green compact pushing mechanism 8 includes a supporting frame 801, a height adjusting screw 802, an electric cylinder shield 803, a green compact pushing electric cylinder 804 and a third profiling cushion block 805, the supporting frame 801 is movably connected with the electric cylinder shield 803 through the height adjusting screw 802, the electric cylinder shield 803 is internally provided with the green compact pushing electric cylinder 804, the green compact pushing electric cylinder 804 is electrically connected with a control unit, the end of a piston rod of the green compact pushing electric cylinder 804 is provided with a mounting plate, and the mounting plate is symmetrically provided with the third profiling cushion block 805.
The height adjusting screw 802 is adjusted to enable a piston rod of the electric green body pushing cylinder 804 to be in contact with the workbench, and third profiling cushion blocks 805 which are symmetrically arranged correspond to the positions of the first stripping station 903 and the second stripping station 904. The piston rod of the green body pushing electric cylinder 904 drives the third profiling cushion block 805 to move, and the third profiling cushion block 805 simultaneously pushes the metal grinding wheel mold disassembled on the first demolding station 903 and the metal grinding wheel mold disassembled on the second demolding station 904 to a pre-assembled manual operation table.
And manually pre-assembling the disassembled metal grinding wheel die to perform the cold pressing process of the metal grinding wheel die next time.
A flow control method of a metal grinding wheel intelligent cold press molding production line comprises the following steps,
the method comprises the following steps: manually and alternately placing a plurality of pre-assembled moulds in a scraping rotary lifting mechanism which is symmetrically arranged in sequence for feeding, spreading, scraping and completely assembling the moulds;
step two: manually transferring the assembled die to a die cold-pressing conveying mechanism, and controlling the die cold-pressing conveying mechanism by a control unit to convey the die to a cold press;
step three: the control unit controls the cold press machine to perform cold pressing work;
step four: after the control unit receives a cold pressing signal of the cold press, the control unit controls the pushing mechanism to push the die to the die alignment mechanism for alignment, and meanwhile, the pushing mechanism resets;
step five: after the alignment of the mold is completed, the control unit controls the mold removing mechanism to remove the mold, and meanwhile, the mold after being removed is pushed to the workbench to be manually preassembled.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (10)
1. The utility model provides an intelligent cold press molding production line of metal grinding wheel, includes workstation (1) and the control unit, its characterized in that: the production line is of a symmetrical structure, the symmetrical axis bilateral symmetry of the symmetrical structure is provided with a scraping rotary lifting mechanism (3), a cold pressing conveying mechanism (5) of a mold, a mold pushing mechanism (6), a cold press (7) and an automatic mold removing mechanism (9), wherein the scraping rotary lifting mechanism (3) is used for scraping rotary lifting of the mold and materials in the mold, the cold pressing conveying mechanism (5) of the mold is used for conveying the mold passing through the scraping rotary lifting mechanism (3) to the cold press (7), the cold press (7) performs cold pressing on the mold, the mold pushing mechanism (6) is used for pushing the mold out of the cold press (7), the automatic mold removing mechanism (9) is used for removing the mold, and the scraping rotary lifting mechanism (3), the cold pressing conveying mechanism (5) of the mold, the mold pushing mechanism (6) of the mold are arranged, The cold press (7) and the automatic form removing mechanism (9) are electrically connected with the control unit.
2. The intelligent cold press molding production line of metal grinding wheels according to claim 1, characterized in that: the strickle rotary lifting mechanism (3) comprises a speed regulating box (301) and a protective cover (302), a lifting mechanism (303) and a rotating mechanism (304) are arranged in the protective cover (302), the lifting mechanism (303) comprises a lifting cylinder (305), a supporting column (306), a placing frame (307) and a first guide shaft (308), a supporting column (306) and a lifting cylinder (305) are fixed on the lower end surface of the placing frame (307), the lifting cylinder (305) is fixed at the center of the placing frame (307), the supporting column (306) is fixed at the edge of the placing frame (307), a first guide shaft (308) is fixed on the upper end surface of the placing frame (307), the first guide shaft (308) is connected with the rotating mechanism (304) in a sliding way, the rotating mechanism (304) is fixedly connected with an output shaft of the lifting cylinder (305) through a placing frame (307).
3. The intelligent cold press molding production line of metal grinding wheels according to claim 2, characterized in that: the rotating mechanism (304) comprises a motor (311), a coupler (310), a turntable (313), a U-shaped limiting frame (309) and a fastening plate (312), the output shaft of the lifting cylinder (305) is fixedly connected with a U-shaped limiting frame (309), the U-shaped limiting frame (309) is fixedly connected with the fastening plate (312), a motor (311) is fixedly arranged between the U-shaped limiting frame (309) and the fastening plate (312), the fastening plate (312) is connected with the first guide shaft (308) in a sliding way, a through hole is arranged on the fastening plate (312), the output shaft of the motor (311) is rigidly connected with the coupling (310) through a through hole, the coupling (310) is fixedly connected with a rotary table (313), the rotary table (313) is movably connected with the table surface of the workbench (1), a speed regulating box (301) is fixedly arranged on the lower table top of the workbench (1), and the speed regulating box (301) is electrically connected with a motor (311).
4. The intelligent cold press molding production line of metal grinding wheels according to claim 1, characterized in that: the die cold pressing conveying mechanism (5) comprises a starting switch, a first conveying mechanism, a lifting device and a second conveying mechanism, the first conveying mechanism and the second conveying mechanism are arranged on the workbench (1) in parallel, the second conveying mechanism is connected with the first conveying mechanism in a lifting contact mode through the lifting device, and the starting switch, the first conveying mechanism, the lifting device and the second conveying mechanism are all connected with the control unit.
5. The intelligent cold press molding production line of metal grinding wheels according to claim 4, characterized in that: the first conveying mechanism comprises a first conveying electric cylinder, a slide way (504) and a tray (505), the first conveying electric cylinder is arranged below the table top of the workbench (1), an output shaft of the first conveying electric cylinder is fixedly connected with the tray (505), and the tray (505) is in sliding connection with the slide way (504); the lifting device comprises a lifting electric cylinder, a supporting disc (503) and a second guide shaft (502), the second guide shaft (502) is arranged on the working table and is in sliding connection with the supporting disc (503), the lower disc surface of the supporting disc (503) is fixedly connected with the output shaft of the lifting electric cylinder, a second conveying mechanism is fixed on the upper disc surface of the supporting disc (503), the second conveying mechanism comprises a second conveying electric cylinder (501) and a conveying frame (506), the second conveying electric cylinder (501) is arranged on the upper disc surface of the supporting disc (503), the output shaft of the second conveying electric cylinder (501) is rigidly connected with the conveying frame (506), the conveying frame (506) is connected with the supporting disc (505) in a lifting contact mode, and the first conveying electric cylinder, the lifting electric cylinder and the second conveying electric cylinder (501) are all electrically connected with a control unit.
6. The intelligent cold press molding production line of metal grinding wheels according to claim 1, characterized in that: mould push mechanism (6) are including frame (601), propelling movement electric jar protection casing (603), adjusting screw (602) and propelling movement electric jar (604), frame (601) are through adjusting screw (602) and propelling movement electric jar protection casing (603) swing joint, be provided with propelling movement electric jar (604) in propelling movement electric jar protection casing (603), the piston cylinder end on propelling movement electric jar (604) is provided with second profile modeling cushion (605).
7. The intelligent cold press molding production line of metal grinding wheels according to claim 1, characterized in that: the end of the pushing direction of the mold pushing mechanism (6) is provided with a mold aligning mechanism (2), the mold aligning mechanism (2) comprises an aligning motor, an aligning rotary table (201) and a mold aligning infrared sensor (202), the aligning motor is arranged on the lower table top of the workbench, the output shaft of the aligning motor is rigidly connected with the aligning rotary table (201) through the table top of the workbench, and the aligning infrared sensor (202) is arranged on one side of the aligning rotary table (201).
8. The intelligent cold press molding production line of metal grinding wheels according to claim 1, characterized in that: the mould scraping and assembling device is characterized in that manual operation positions are arranged between the scraping and rotating lifting mechanisms (3) which are symmetrically arranged, the manual operation positions comprise a mould preassembly manual operation position (10) and a mould scraping and assembling manual operation position (4), the mould scraping and assembling manual operation positions (4) are symmetrically arranged on two sides of the mould preassembly manual operation position (10), and the mould preassembly manual operation position (10) is arranged at the position of a symmetry axis of a symmetric structure.
9. The intelligent cold press molding production line of metal grinding wheels according to claim 1, characterized in that: be provided with unburned bricks push mechanism (8) on the workstation of automatic form removal mechanism (9) below, unburned bricks push mechanism (8) are including supporting frame (801), height adjusting screw (802), electric jar protection casing (803), unburned bricks propelling movement electric jar (804) and third profile modeling cushion block (805), support frame (801) through height adjusting screw (802) and electric jar protection casing (803) swing joint, be provided with unburned bricks propelling movement electric jar (804) in electric jar protection casing (803), unburned bricks propelling movement electric jar (804) are connected with the control unit electricity, the piston rod end of unburned bricks propelling movement electric jar (804) is provided with the mounting panel, the symmetry is provided with third profile modeling cushion block (805) on the mounting panel.
10. The flow control method of the metal grinding wheel intelligent cold press molding production line of any one of claims 1 to 9 is characterized in that: comprises the following steps of (a) carrying out,
the method comprises the following steps: manually and alternately placing a plurality of pre-assembled moulds in a scraping rotary lifting mechanism which is symmetrically arranged in sequence for feeding, spreading, scraping and completely assembling the moulds;
step two: manually transferring the assembled die to a die cold-pressing conveying mechanism, and controlling the die cold-pressing conveying mechanism by a control unit to convey the die to a cold press;
step three: the control unit controls the cold press machine to perform cold pressing work;
step four: after the control unit receives a cold pressing signal of the cold press, the control unit controls the pushing mechanism to push the die to the die alignment mechanism for alignment, and meanwhile, the pushing mechanism resets;
step five: after the alignment of the mold is completed, the control unit controls the mold removing mechanism to remove the mold, and meanwhile, the mold after being removed is pushed to the workbench to be manually preassembled.
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