CN111619217A - Automatic silver printing system for coplanar piezoelectric ceramic pieces - Google Patents

Automatic silver printing system for coplanar piezoelectric ceramic pieces Download PDF

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Publication number
CN111619217A
CN111619217A CN202010629756.8A CN202010629756A CN111619217A CN 111619217 A CN111619217 A CN 111619217A CN 202010629756 A CN202010629756 A CN 202010629756A CN 111619217 A CN111619217 A CN 111619217A
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CN
China
Prior art keywords
plate
piezoelectric ceramic
positioning
printing
fixed
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Pending
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CN202010629756.8A
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Chinese (zh)
Inventor
王明
徐国良
潘威伟
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Jiangsu Wave Speed Sensor Co ltd
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Jiangsu Wave Speed Sensor Co ltd
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Priority to CN202010629756.8A priority Critical patent/CN111619217A/en
Publication of CN111619217A publication Critical patent/CN111619217A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/12—Machines with auxiliary equipment, e.g. for drying printed articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/16—Printing tables
    • B41F15/18—Supports for workpieces
    • B41F15/20—Supports for workpieces with suction-operated elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/16—Printing tables
    • B41F15/18—Supports for workpieces
    • B41F15/26—Supports for workpieces for articles with flat surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/001—Pad printing apparatus or machines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)

Abstract

The invention discloses an automatic silver printing system for coplanar piezoelectric ceramic pieces, which comprises a carrying mechanism, a material storage mechanism, a front printing mechanism, a side transfer printing mechanism and a blanking mechanism, wherein the front printing mechanism is arranged on the front side of the carrying mechanism; piezoceramics piece has been placed to storage mechanism, positive printing mechanism includes positioning mechanism, stoving mechanism and silk screen printing mechanism, and piezoceramics piece carries to positioning mechanism on through carrying material mechanism, and the piezoceramics piece that is located on the positioning mechanism removes to silk screen printing mechanism and carries out the positive electrode printing to dry piezoceramics piece through stoving mechanism, side bat printing mechanism is including bat printing positioning mechanism and bat printing device, carry material mechanism carries piezoceramics piece to bat printing positioning mechanism on, through bat printing device to piezoceramics piece side electrode printing, and the piezoceramics piece that is located on the bat printing positioning mechanism carries to blanking mechanism through carrying mechanism. The invention can improve the coating efficiency of the front electrode layer and the side electrode layer of the piezoelectric ceramic piece, thereby improving the working efficiency.

Description

Automatic silver printing system for coplanar piezoelectric ceramic pieces
Technical Field
The invention belongs to the technical field of screen printing, and particularly relates to an automatic silver printing system for coplanar piezoelectric ceramic pieces.
Background
When the piezoelectric ceramic piece is used, a piezoelectric ceramic dielectric material is placed between two copper circular electrodes, and when an alternating-current audio signal is connected to the two electrodes, the piezoelectric ceramic piece can vibrate according to the magnitude frequency of the signal to generate corresponding sound.
In the production and processing process of the piezoelectric ceramic piece, the piezoelectric ceramic piece is required to be printed with silver paste, namely, a silver paste material is printed on the surface of the piezoelectric ceramic piece through a screen printing machine, a first electrode layer is printed on the upper surface of the piezoelectric ceramic piece, a peripheral electrode layer and a second electrode layer are arranged on the periphery of the lower surface of the piezoelectric ceramic piece, and the first electrode layer and the outer electrode layer are connected through a side electrode layer on the side surface of the piezoelectric ceramic piece; in the existing traditional piezoelectric ceramic piece manufacturing, the front electrode layer and the side electrode layer of the piezoelectric ceramic piece are usually printed manually, and the printing mode has low efficiency and higher labor cost.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an automatic silver printing system for coplanar piezoelectric ceramic pieces, aiming at overcoming the defects of the prior art.
The technical scheme for realizing the invention is as follows:
the invention relates to an automatic silver printing system for coplanar piezoelectric ceramic pieces, which comprises a carrying mechanism, a material storage mechanism, a front printing mechanism, a side transfer printing mechanism and a blanking mechanism, wherein the front printing mechanism is arranged on the front side of the carrying mechanism; the piezoelectric ceramic plate is arranged in the material storage mechanism, the piezoelectric ceramic plate on the material storage mechanism is conveyed to the front printing mechanism through the material conveying mechanism, the front printing mechanism comprises a positioning mechanism, a drying mechanism and a silk-screen printing mechanism, the piezoelectric ceramic sheet is conveyed to the positioning mechanism through a conveying mechanism, the piezoelectric ceramic sheet positioned on the positioning mechanism is moved to the silk-screen printing mechanism to print the front electrode, the piezoelectric ceramic pieces are dried by the drying mechanism, the piezoelectric ceramic pieces printed with the front electrode layer are conveyed to the side transfer printing mechanism by the conveying mechanism, the side pad printing mechanism comprises a pad printing positioning mechanism and a pad printing device, the material conveying mechanism conveys the piezoelectric ceramic plate to the pad printing positioning mechanism, the electrodes on the side surfaces of the piezoelectric ceramic pieces are printed by the pad printing device, and the piezoelectric ceramic pieces on the pad printing positioning mechanism are conveyed to the blanking mechanism through the conveying mechanism.
Preferably, the storing mechanism comprises at least one group of bins and a feeding mechanism; the feed bin is the range mode that a word arrangement set up and remove manipulator on the feed mechanism the same, the piezoceramics piece has been placed in the feed bin, and every group feed bin bottom runs through and is equipped with the push rod, the push rod can realize once carrying out the printing of positive electrode layer and side electrode layer to a plurality of piezoceramics pieces through setting up the multiunit feed bin with the piezoceramics piece in the feed bin propelling movement that makes progress.
Preferably, the feeding mechanism comprises a first connecting plate, a first linear sliding table module and a first driving motor; the storage bin is fixed on the working plate, the top of the push rod penetrates through the bottom of the storage bin, the bottoms of the push rod and the storage bin are connected into a whole through a first connecting plate, the first connecting plate is fixed on a sliding block on a first linear sliding table module, the first linear sliding table module is fixed on the bottom surface of the working plate, the first linear sliding table module drives a first connecting plate on the first linear sliding table module to move up and down through a first driving motor, and the piezoelectric ceramic piece in the storage bin is pushed to move through the up and down movement of the first connecting plate; the side of first straight line slip table module along its direction of motion is equipped with a plurality of proximity switches, detects the motion position of push rod on the first straight line slip table module through proximity switch, and then judges the surplus quantity of piezoceramics piece in the storage mechanism, in time supplyes the quantity of piezoceramics piece in the storage mechanism.
Preferably, the positioning mechanism of the front side printing mechanism comprises a first positioning mechanism and a second positioning mechanism; the figure and the range mode of piezoceramics piece on first positioning mechanism and the second positioning mechanism are the same with the range mode of piezoceramics piece on storage mechanism, piezoceramics piece carries out the center location through first positioning mechanism, and the piezoceramics piece that will be located on first positioning mechanism through carrying material mechanism again carries to the second positioning mechanism on, second positioning mechanism is fixed in on the slider of second straight line slip table module, second straight line slip table module carries out sharp displacement through second driving motor drive second positioning mechanism, stoving mechanism and silk screen printing mechanism are located the direction of second positioning mechanism straight line displacement.
Preferably, the first positioning mechanism comprises a first positioning plate, a first supporting plate, an adsorption column, a second connecting plate, a first slide rail assembly and a second driving cylinder; first backup pad is fixed in on the working plate, the top side of first backup pad is fixed with first locating plate, first locating plate is rectangular form structure, is equipped with the centre bore the same with the arrangement with piezoceramics dish figure on the storage mechanism on it, the perforation of centre bore upper portion for being radius platform type, and its lower part is the perforation of cylinder type, all wears to be equipped with the adsorption column in every centre bore, and the bottom of adsorption column is fixed in on the second connecting plate, second connecting plate both ends are respectively through first slide rail set spare and first backup pad side sliding connection, the bottom and the second of second connecting plate drive actuating cylinder and be connected, the second drives actuating cylinder and is fixed in on the working plate, rearranges piezoceramics piece through setting up first positioning mechanism.
Preferably, the second positioning mechanism comprises a first air suction plate, a first air suction port which is the same as the number and arrangement mode of the piezoelectric ceramic pieces on the storage mechanism is formed in the first air suction plate, the first air suction plate is fixed on a sliding block of the second linear sliding table module through a backing plate, the second linear sliding table module drives the first air suction plate to move through a second driving motor, a drying mechanism is arranged in the middle of the second linear sliding table module in a crossing manner, a silk printing mechanism is arranged at the tail end of the second linear sliding table module, the silk printing mechanism comprises a silk printing plate, a silk screen scraper and a driving mechanism, the piezoelectric ceramic pieces on the second positioning mechanism move to the position below a working position of the silk screen printing plate, the silk screen scraper moves under the driving of the driving mechanism and carries out front electrode printing on the piezoelectric ceramic pieces through the silk printing plate, and the piezoelectric ceramic pieces printed with front electrode layers return to the position below the drying mechanism on the second linear sliding table module to carry, the piezoelectric ceramic piece positioned on the second positioning mechanism automatically completes printing and drying treatment of the front electrode layer of the piezoelectric ceramic piece through a working line, and the piezoelectric ceramic piece printed with the front electrode layer is dried so that the front electrode layer printed on the upper surface of the piezoelectric ceramic piece cannot be damaged when the third material moving manipulator carries the piezoelectric ceramic piece.
Preferably, the pad printing positioning mechanism comprises a positioning assembly and a positioning sliding device; the positioning assembly positions the piezoelectric ceramic piece, the positioning assembly is fixed on the positioning sliding device, and the pad printing device comprises a pad printing assembly, a rotating assembly and a vertical moving device; the transfer printing assembly comprises a transfer printing head and a rotating plate, the transfer printing head is fixed at the end of the rotating plate, the rotating plate is fixed on the rotating assembly, the rotating assembly is fixed on the vertical moving device, and silver paste is coated on the side face of the piezoelectric ceramic piece when the transfer printing head rotates up and down.
Preferably, the positioning assembly comprises a second air suction plate, a second positioning plate, a fourth driving cylinder and a mounting plate, the second air suction plate is fixed at the top of the mounting plate, the second air suction plate is of a strip structure and is provided with second air suction ports with the same number and arrangement mode as piezoelectric ceramic plates on the material storage mechanism, a piezoelectric ceramic plate is adsorbed on each second air suction port, the second air suction plate is provided with a second positioning plate, the second positioning plate positioned on one side of the second air suction ports is provided with V-shaped grooves with the same number as the second air suction ports, the other side of the second positioning plate is connected with the fourth driving cylinder, the fourth driving cylinder drives the second positioning plate to perform front and back displacement relative to the pad head, the second positioning plate pushes the piezoelectric ceramic plate to displace towards the pad head side, and the electrode layer of the piezoelectric side to be brushed on the second air suction ports is arranged towards the pad head side, the silver paste on the pad printing head is coated to the position of the side electrode layer to be printed of the piezoelectric ceramic piece by rotating the component, and the width of the side electrode layer to be printed of the piezoelectric ceramic piece is set by setting the size of the side electrode layer to be printed of the piezoelectric ceramic piece exposed on the second air suction plate, so that the width consistency of the side electrode layer of the piezoelectric ceramic piece is ensured.
Preferably, the transfer printing head is a soft silica gel transfer printing head, the rotating assembly is a rotary air cylinder, the transfer printing head is fixed at the end part of the rotating plate, the rotating plate is fixed on the rotary air cylinder, and the transfer printing side of the transfer printing head on the rotating plate is vertical to the rotating direction of the rotating assembly; the vertical moving device comprises a cylinder top plate, a first fixing plate, an adjusting plate and a plurality of adjusting rods; equipartition fixed regulation pole between cylinder roof and the first fixed plate, wear to be equipped with the regulating plate on the regulation pole, be fixed with mini cylinder on the cylinder roof, the drive shaft of mini cylinder passes the cylinder roof and is connected with the regulating plate, rotating assembly is fixed in regulating plate one side, mini cylinder drive regulating plate carries out vertical upper and lower displacement, through making the overhead adhesion silver thick liquid of soft silica gel bat printing, the below that the bat printing head is located the bottom is equipped with silver thick liquid box, and the work of applying paint with a brush of the side electrode layer of piezoceramics piece is carried out many times in succession to the setting up of silver thick liquid box, improves work efficiency, and the bat printing head is through the silver thick liquid in the vertical mobile device lapse adhesion silver thick liquid box, and the bat printing head is again through vertical mobile device rebound to setting for the position, and rethread rotating.
Preferably, the material moving mechanism comprises a first material moving manipulator, a second material moving manipulator, a third material moving manipulator, a fourth material moving manipulator and a fourth support frame; the first material taking manipulator, the second material taking manipulator, the third material taking manipulator and the fourth material taking manipulator which adopt negative pressure material taking manipulators are adopted, the four groups of negative pressure material taking manipulators are located on the same side of the fourth support frame and are fixed on the synchronous moving device, and the synchronous moving device synchronously drives the four groups of negative pressure material taking manipulators to perform reciprocating linear motion.
Further, the first piezoceramics piece of removing on the manipulator carries the storage mechanism to positive printing mechanism, when first removing the piezoceramics piece that the manipulator adsorbs to play, it is just facing first the piezoceramics piece inboard of removing on the manipulator is equipped with blows the flitch, blow on the flitch is fixed in the fourth support frame, every piezoceramics piece is just facing to blowing flitch department and is equipped with the blowing mouth, is facing to the storage mechanism outside of blowing the flitch and is equipped with the material receiving box, blow the flitch with first unnecessary material on removing the piezoceramics piece that the manipulator adsorbs and blow down to in the material receiving box, blow flitch and material receiving box through setting up, guarantee that first manipulator of removing on the manipulator all carries a piezoceramics piece at every turn, unnecessary piezoceramics piece blows to in the material receiving box through blowing the flitch, makes things convenient for the recycle of.
The invention can set the group number of the bin according to the actual requirement, and the group number of the bin is set according to the number of the piezoelectric ceramic sheets printed at one time, wherein the number and the arrangement mode of the piezoelectric ceramic sheets on the positioning components on the first positioning mechanism, the second positioning mechanism and the side transfer printing mechanism are the same as those on the storage mechanism, the negative pressure material taking manipulator of the material handling mechanism moves synchronously, the first material handling manipulator carries the piezoelectric ceramic sheets on the bin to the first positioning mechanism, meanwhile, the second material handling manipulator carries the piezoelectric ceramic sheets on the first positioning mechanism to the second positioning mechanism, meanwhile, the third material handling manipulator carries the piezoelectric ceramic sheets on the second positioning mechanism to the positioning components, meanwhile, the fourth material handling manipulator carries the piezoelectric ceramic sheets on the positioning components to the blanking mechanism, the space between two adjacent parts of a storage bin, a first positioning mechanism, a second positioning mechanism, a positioning assembly and a blanking mechanism in the storage mechanism is the same, and four groups of negative pressure material taking mechanical arms are synchronously driven to perform linear motion through a synchronous moving device; the piezoelectric ceramic pieces on the first positioning mechanism are adsorbed by the adsorption columns to realize central positioning on the central holes on the first positioning plate, so that the piezoelectric ceramic pieces are arranged in order, the centers of the piezoelectric ceramic pieces are positioned on the same straight line, after the piezoelectric ceramic pieces are positioned by the first positioning mechanism, the piezoelectric ceramic pieces on the first positioning mechanism are conveyed to the second positioning mechanism by the second conveying mechanical arm, the piezoelectric ceramic pieces are adsorbed by the first adsorption plates on the second positioning mechanism, so that the piezoelectric ceramic pieces are kept static, the piezoelectric ceramic pieces on the second positioning mechanism are subjected to front electrode printing by the silk-screen printing mechanism, the piezoelectric ceramic pieces are subjected to drying treatment by the drying mechanism, finally the second positioning mechanism is returned to the initial position, the piezoelectric ceramic pieces are conveyed to the positioning assembly by the third conveying mechanical arm, and the piezoelectric ceramic pieces on the positioning assembly realize side electrode printing by the pad printing assembly, and the piezoelectric ceramic plates printed with the side electrode layers are conveyed to a blanking mechanism through a fourth material conveying manipulator, so that the whole system is completed.
By adopting the technical scheme, the invention has the following beneficial effects:
(1) according to the invention, the material carrying mechanism, the material storage mechanism, the front printing mechanism, the side printing mechanism and the blanking mechanism are mechanically arranged, so that the printing work of the front electrode layer and the side electrode layer can be realized from the feeding of the piezoelectric ceramic pieces, and the printing work of a plurality of piezoelectric ceramic pieces can be realized by one-time printing by using the mechanical arrangement, thereby improving the printing efficiency of the front electrode layer and the side electrode layer of the piezoelectric ceramic pieces and saving the labor cost.
(2) The front printing mechanism is provided with the first positioning mechanism, and the piezoelectric ceramic pieces to be printed are centered and rearranged through the first positioning mechanism, so that the piezoelectric ceramic pieces are arranged orderly, the centers of the piezoelectric ceramic pieces are positioned on the same straight line, the piezoelectric ceramic pieces are ensured to keep consistent in queue in the front printing mechanism and the side pad printing mechanism at the later stage, the front electrodes of the piezoelectric ceramic pieces are printed to the correct positions, and the side electrodes of the piezoelectric ceramic pieces are printed to the same position of the piezoelectric ceramic pieces.
(3) The side transfer printing mechanism is provided with a transfer printing component and a positioning component, the piezoelectric ceramic piece is positioned according to the positioning component, the position of a side electrode layer to be printed on the piezoelectric ceramic piece faces a transfer printing head and is exposed out of an air suction plate, the size of the piezoelectric ceramic piece exposed out of the air suction plate is determined according to the width of the side electrode layer of the piezoelectric ceramic piece, the piezoelectric ceramic piece is adsorbed and positioned through the air suction port on the air suction plate, the excircle outline of the piezoelectric ceramic piece is positioned by moving back and forth through a V-shaped groove on the positioning plate, the positioning component can keep the position of the piezoelectric ceramic piece immovable, the side electrode layer of the piezoelectric ceramic piece is coated to the same position and keeps the position consistency, the transfer printing head is driven by rotating the rotating component to coat silver paste on the side of the piezoelectric ceramic piece, and the side coating work of the transfer printing head can be simultaneously, the coating efficiency of the side electrode layer of the piezoelectric ceramic piece can be improved, and further the working efficiency is improved.
(4) According to the carrying mechanism, four groups of negative pressure material taking mechanical arms are arranged according to actual station requirements, and the piezoelectric ceramic plates to be carried can be rapidly carried to the next station to work through the repeated work of the four groups of negative pressure material taking mechanical arms, so that each mechanism is in a working state, and the working efficiency is improved.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a top view of a silver printing system according to the present invention;
FIG. 2 is a schematic perspective view of a silver printing system according to the present invention;
FIG. 3 is a schematic structural view of the storing mechanism of the present invention;
FIG. 4 is a schematic view of a face-side printing mechanism according to the present invention;
FIG. 5 is a schematic structural diagram of a first positioning mechanism according to the present invention;
FIG. 6 is a schematic structural view of a first positioning plate according to the present invention;
FIG. 7 is a cross-sectional view of a first positioning plate according to the present invention;
FIG. 8 is a schematic structural diagram of the drying mechanism according to the present invention;
FIG. 9 is a schematic structural view of the first gas absorption plate of the present invention;
FIG. 10 is a schematic structural view of the drying mechanism of the present invention with the casing removed;
FIG. 11 is a schematic structural diagram of a screen printing mechanism according to the present invention;
FIG. 12 is a schematic view of the side pad printing mechanism according to the present invention;
FIG. 13 is a schematic view of the positioning assembly, pad printing assembly, rotating assembly and vertical moving device of the present invention;
FIG. 14 is a schematic view of the positioning assembly and positioning slide of the present invention;
fig. 15 is a schematic structural view of a silver paste cartridge according to the present invention;
FIG. 16 is a schematic structural view of a material taking mechanism and a blanking mechanism according to the present invention;
fig. 17 is a schematic structural view of the blanking mechanism of the present invention.
In the figure, 1-a storage mechanism, 11-a bin, 12-a push rod, 13-a first connecting plate, 14-a first linear sliding table module, 15-a first driving motor, 16-a blowing plate, 17-a material receiving box, 18-a first driving cylinder, 2-a front printing mechanism, 21-a first positioning mechanism, 211-a first positioning plate, 212-a first supporting plate, 213-an adsorption column, 214-a second connecting plate, 215-a first sliding rail component, 216-a second driving cylinder, 22-a second positioning mechanism, 221-a first air suction plate, 23-a second linear sliding table module, 24-a second driving motor, 25-a drying mechanism, 251-a first supporting frame, 252-a drying machine, 26-a silk-screen printing mechanism, 261-a silk-screen plate, 262-second supporting plate, 263-clamping block, 264-screen scraping plate, 265-third driving cylinder, 266-third connecting plate, 267-third linear sliding table module, 268-third driving motor, 3-side transfer printing mechanism, 31-positioning component, 311-second air suction plate, 312-second positioning plate, 313-fourth driving cylinder, 314-mounting plate, 32-transfer printing component, 321-rotating plate, 322-transfer printing head, 33-rotating component, 331-rotary cylinder, 34-vertical moving device, 341-adjusting plate, 342-flanged linear bearing, 343-adjusting rod, 344-first fixing plate, 345-cylinder top plate, 346-mini cylinder, 347-floating joint and 35-positioning sliding device, 351-fourth linear sliding table module, 352-fourth driving motor, 36-silver paste box, 361-second support frame, 362-feeding box, 363-limiting plate, 364-linear guide rail, 365-thin cylinder, 366-second fixing plate, 4-material handling mechanism, 41-first material handling manipulator, 42-second material handling manipulator, 43-third material handling manipulator, 44-fourth material handling manipulator, 45-third support frame, 46-second slide rail assembly, 47-double-stroke cylinder, 48-fourth connecting plate, 49-vacuum generator suction head, 491-flow monitor, 492-sliding table cylinder, 493-third positioning plate, 5-blanking mechanism, 51-material receiving plate, 52-fifth linear sliding table module, 53-fifth driving motor, 6-proximity switch, 7-piezoelectric ceramic piece and 8-working plate.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example (b): a coplanar piezoelectric ceramic piece 7 automatic silver printing system, the piezoelectric ceramic piece 7 is a piezoelectric ceramic piece 7 with the front and the side to be printed; as shown in fig. 1 and 2, the automatic silver printing system in the embodiment is installed on a working plate 8 of a workbench, and comprises a conveying mechanism, a storage mechanism 1, a front printing mechanism 2, a side transfer printing mechanism 3 and a blanking mechanism 5; the piezoelectric ceramic plates 7 are placed in the material storage mechanism 1, the piezoelectric ceramic plates 7 on the material storage mechanism 1 are transported to the front printing mechanism 2 through the material transporting mechanism 4, the front printing mechanism 2 comprises a positioning mechanism, a drying machine 252 mechanism 25 and a screen printing mechanism 26, the piezoelectric ceramic plates 7 are transported to the positioning mechanism through the material transporting mechanism 4, the piezoelectric ceramic plates 7 on the positioning mechanism are moved to the screen printing mechanism 26 for front electrode printing, the piezoelectric ceramic plate 7 is dried by a drying mechanism 25, the piezoelectric ceramic plate 7 printed with the front electrode layer is transported to a side transfer printing mechanism 3 by a material transporting mechanism 4, the side transfer printing mechanism 3 comprises a transfer printing positioning mechanism and a transfer printing device, the piezoelectric ceramic plate 7 is transported to the transfer printing positioning mechanism by the material transporting mechanism 4, the electrodes on the side surfaces of the piezoelectric ceramic pieces 7 are printed by a pad printing device, and the piezoelectric ceramic pieces 7 on the pad printing positioning mechanism are conveyed to the blanking mechanism 5 by the conveying mechanism.
The storage mechanism 1 in this embodiment is provided with ten bins 11 assembled with piezoelectric ceramic plates 7, and the material handling mechanism 4 is set according to the bins 11 on the storage mechanism 1 and an automatic silver printing system, as shown in fig. 16 and 17, the material handling mechanism 4 includes a first material handling manipulator 41, a second material handling manipulator 42, a third material handling manipulator 43 and a fourth material handling manipulator 44, the first material handling manipulator 41, the second material handling manipulator 42, the third material handling manipulator 43 and the fourth material handling manipulator 44 all adopt negative pressure material taking manipulators, the four groups of negative pressure material taking manipulators are located at the same side of a third support frame 45 and fixed on a synchronous moving device, the synchronous moving device synchronously drives the four groups of negative pressure material taking manipulators to perform linear motion, wherein the synchronous moving device includes a second slide rail assembly 46, a double-stroke cylinder 47 and a fourth connecting plate 48, the four groups of negative pressure material taking manipulators are all slidably connected with the third support frame 45 through the second slide rail assembly 46, two groups of second slide rail assemblies 46 are laid on the third support frame 45, each second slide rail assembly 46 comprises a linear guide rail, slide blocks are arranged on the linear guide rails, four groups of negative pressure material taking mechanical arms are positioned on the same side of the third support frame 45 and are fixed on the two slide blocks through plates, one end of each plate is fixedly connected with a negative pressure material taking mechanical arm, the bottom surface of each plate is fixed on the two slide blocks, each group of negative pressure material taking mechanical arms linearly move along the side surface of the third support frame 45 through the slide blocks on the second slide rail assemblies 46, the other end of each group of negative pressure material taking mechanical arms is fixed on a fourth connecting plate 48, a double-stroke air cylinder 47 is arranged below the fourth connecting plate 48, the double-stroke air cylinder 47 is fixed on the third support frame 45, driving shafts extending out of the two ends of the double-stroke air cylinder 47 are respectively fixedly connected with the fourth connecting plate 48, in this embodiment, each negative pressure material taking manipulator comprises 10 vacuum generator suction heads 49, a flow monitor 491 and a sliding table cylinder 492 according to the setting of the material storing mechanism 1, wherein the 10 vacuum generator suction heads 49 are arranged in a straight line and parallel to the linear motion direction of the negative pressure material taking manipulator, each vacuum generator suction head 49 adsorbs one piezoelectric ceramic plate 7, the vacuum generator suction heads 49 arranged in a line are fixed on a third positioning plate 493, a reflux device is fixed at the top of the device, a flow monitor 491 is arranged on the reflux device, a third positioning plate is installed on a sliding table cylinder 492, the sliding table cylinder 492 drives the third positioning plate to vertically displace up and down, the sliding table cylinder 492 is fixed on a plate on a second sliding rail assembly 46, a negative pressure material taking manipulator vertically displaces up and down through the sliding table cylinder 492 to adsorb the piezoelectric ceramic plate 7, and then the negative pressure material taking manipulator is synchronously driven to carry the piezoelectric ceramic plate 7 through a synchronous moving device; the negative pressure material taking manipulator adjusts the height of a suction head of a vacuum generator relative to a working plate through an upper sliding table cylinder of the negative pressure material taking manipulator, so that a piezoelectric ceramic piece to be carried is adsorbed, after the piezoelectric ceramic piece is adsorbed, the suction head of the vacuum generator is lifted upwards through the sliding table cylinder, after the preset height is reached, the piezoelectric ceramic piece is carried to a preset position of the next station through linear motion of a synchronous moving device, the piezoelectric ceramic piece is put down, carrying work is finished, and then the negative pressure material taking manipulator is driven to return to the initial position through the synchronous moving device to carry out the next round of carrying work; .
As shown in fig. 3, the storing mechanism 1 in the present embodiment includes 10 groups of bins 11 and a feeding mechanism; 10 groups of bins 11 are arranged in a straight line and are the same as the number and arrangement mode of manipulators on a first material moving manipulator 41, the manipulator on the first material moving manipulator 41 is a vacuum generator suction head 49 and is used for adsorbing piezoelectric ceramic pieces 7, the piezoelectric ceramic pieces 7 are placed in each group of bins 11, a push rod 12 penetrates through the bottom of each group of bins 11, the push rod 12 drives the piezoelectric ceramic pieces 7 in the bins 11 to be pushed upwards through a driving device, and the feeding mechanism comprises a first connecting plate 13, a first linear sliding table module 14 and a first driving motor 15; the storage bin 11 is fixed on the working plate 8, the top of the push rod 12 penetrates through the bottom of the storage bin 11, the bottoms of the push rod 12 are connected into a whole through a first connecting plate 13, the first connecting plate 13 is fixed on a sliding block on a first linear sliding table module 14, the first linear sliding table module 14 is fixed on the bottom surface of the working plate 8, the first linear sliding table module 14 drives the first connecting plate 13 on the first linear sliding table module to move up and down through a first driving motor 15, and the piezoelectric ceramic plate 7 in the storage bin 11 is pushed to move through the up and down displacement of the first connecting plate 13; the side edge of the first linear sliding table module 14 in the moving direction is provided with a plurality of proximity switches 6, the position and the stroke of the push rod 12 are monitored through the proximity switches 6, the number of the piezoelectric ceramic pieces 7 of the residual materials in the storage bin 11 is further judged, and the piezoelectric ceramic pieces 7 in the storage bin 11 can be supplemented in time; in order to ensure that the manipulator on the first material handling manipulator 41 adsorbs one piezoelectric ceramic plate 7 each time, when the first material handling manipulator 41 adsorbs the piezoelectric ceramic plate 7 and is preparing to perform linear motion, a material blowing plate 16 is arranged on the inner side of the piezoelectric ceramic plate 7 facing the first material handling manipulator 41, the material blowing plate 16 is fixed on a third support frame 45, a material blowing port is arranged at the position, facing the material blowing plate 16, of each piezoelectric ceramic plate 7, a material receiving box 17 is arranged on the outer side of a bin 11 facing the material blowing plate 16, the material blowing plate 16 blows off redundant materials on the piezoelectric ceramic plate 7 adsorbed by the first material handling manipulator 41 into the material receiving box 17, a protruding baffle is arranged on the side, far away from the bin 11, of the material receiving box 17, the height of the baffle is higher than that of the material blowing plate 16, a first driving cylinder 18 is arranged at the bottom of the material receiving box 17, and the first driving cylinder 18 drives the material receiving box, the piezoelectric ceramic sheet 7 adsorbed on the first transfer robot 41 is blown by the material blowing plate 16 and transferred to the front printing mechanism 2.
As shown in fig. 4, the front printing mechanism 2 includes a positioning mechanism, a drying mechanism 25 and a screen printing mechanism 26; the positioning mechanism comprises a first positioning mechanism 21 and a second positioning mechanism 22, the piezoelectric ceramic plates 7 on the first positioning mechanism 21 and the second positioning mechanism 22 are arranged in a straight line shape, the first material moving manipulator 41 places the piezoelectric ceramic plates 7 on the first positioning mechanism 21, the center positioning is carried out through the first positioning mechanism 21, and the first material moving manipulator 41 returns to an initial position after the material moving is finished, as shown in fig. 5, the first positioning mechanism 21 comprises a first positioning plate 211, a first supporting plate 212, an adsorption column 213, a second connecting plate 214, a first slide rail assembly 215 and a second driving cylinder 216; the first supporting plate 212 is fixed on the working plate 8, the top side of the first supporting plate 212 is fixed with a first positioning plate 211, as shown in fig. 6 and 7, the first positioning plate 211 is a strip structure, which is provided with 10 central holes having the same arrangement mode as the piezoelectric ceramic discs on the first material handling manipulator 41, the upper part of the central hole is a through hole with an inverted circular truncated cone shape, the lower part of the central hole is a cylindrical through hole, each central hole is penetrated with an adsorption column 213, the bottom of the adsorption column 213 is fixed on a second connecting plate 214, two ends of the second connecting plate 214 are respectively connected with the side of the first supporting plate 212 in a sliding manner through a first slide rail assembly 215, the first slide rail assembly 215 comprises a linear slide rail fixed on the first supporting plate 212, two ends of the second connecting plate 214 are respectively fixed on sliders on the linear slide rail, the second connecting plate 214 slides along the vertical direction of the first slide rail assembly 215, the bottom of the second connecting plate 214 is connected with, the second driving cylinder 216 is fixed on the working plate 8, the piezoelectric ceramic piece 7 is placed in the central hole, the adsorption column 213 adsorbs the piezoelectric ceramic piece 7 to move downwards, and in the downward movement process of the piezoelectric ceramic piece 7, the center of the piezoelectric ceramic piece 7 is rearranged through the central hole, so that the piezoelectric ceramic piece 7 is arranged orderly, the centers of the piezoelectric ceramic pieces 7 are positioned on the same straight line, the consistency of the queues of the piezoelectric ceramic piece 7 in the front printing mechanism 2 and the side transfer printing mechanism 3 in the later period is ensured, the front electrode of the piezoelectric ceramic piece 7 is printed to the correct position, and the side electrode of the piezoelectric ceramic piece 7 is printed to the same position of the piezoelectric ceramic piece 7; after the piezoelectric ceramic plate 7 is centrally positioned by the first positioning mechanism 21, the piezoelectric ceramic plate 7 on the first positioning mechanism 21 is conveyed to the second positioning mechanism 22 by the second conveying manipulator 42, as shown in fig. 8, the second positioning mechanism 22 comprises a first air suction plate 221, as shown in fig. 9, a first air suction port with the same number and arrangement mode as the piezoelectric ceramic plates 7 adsorbed on the second conveying manipulator 42 is arranged on the first air suction plate 221, an annular groove is arranged at the top edge of the first air suction port, a raised annular partition block is arranged between the annular groove and the inside of the first air suction port, two circulation ports are arranged on the annular partition block, the annular groove and the first air suction port are communicated by the circulation ports, the two circulation ports are positioned on the same diameter of the annular groove, the diameter of the annular groove is slightly smaller than that of the piezoelectric ceramic plate 7, by arranging the annular groove on the first air suction port, the air flow of the annular groove and the first air suction port is communicated through the flow through port, the adsorption area of the piezoelectric ceramic piece 7 is increased, and the stability of the piezoelectric ceramic piece 7 is enhanced, the first air suction plate 221 is fixed on a slide block of the second linear sliding table module 23 through a backing plate, the second linear sliding table module 23 drives an upper slide block thereof to move through the second driving motor 24, the moving direction of the upper slide block of the second linear sliding table module 23 is perpendicular to the linear moving direction of the negative pressure material carrying manipulator, the drying mechanism 25 is arranged in the middle of the second linear sliding table module 23 in a crossing manner, as shown in figure 10, the drying mechanism 25 comprises a first support frame 251 and a dryer 252, the dryer 252 is fixed on the first support frame 251, a cover with a downward opening is arranged outside the dryer 252, the dryer 252 is installed in the cover, the drying port of the dryer 252 is arranged downward in a strip shape, and the drying port of the dryer 252 covers the piezoelectric ceramic, the piezoelectric ceramic plate 7 on the second positioning mechanism 22 is moved to the lower part of the drying opening of the dryer 252 for drying, the tail end of the second linear sliding table module 23 is provided with a silk-screen printing mechanism 26, as shown in fig. 11, the silk-screen printing mechanism 26 includes a silk-screen plate 261, a silk-screen scraper 264 and a driving mechanism, the piezoelectric ceramic plate 7 on the second positioning mechanism 22 is moved to the lower part of the working position of the silk-screen plate 261, the silk-screen scraper 264 is driven by the driving mechanism to move and perform front electrode printing on the piezoelectric ceramic plate 7 through the silk-screen plate 261, and the driving mechanism of the silk-screen printing mechanism 26 includes a third driving cylinder 265, a third connecting plate 266, a third linear sliding table module 267, a third driving motor 268 and a second supporting frame 361; the shape of the silver paste transmission layer on the silk screen 261 is matched with the front electrode of the piezoelectric ceramic plate 7 on the second positioning mechanism 22, two ends of the silk screen 261 are respectively fixed on the working plate 8 through second supporting plates 262, the inner sides of the second supporting frames 361 are respectively provided with a clamping block 263, the clamping block 263 is provided with a clamping groove, two ends of the silk screen 261 respectively extend into the clamping groove of the clamping block 263, a silk screen scraper 264 is arranged above the silver paste transmission layer of the silk screen 261, the top of the silk screen scraper 264 is connected with a third driving cylinder 265, the third driving cylinder 265 drives the silk screen scraper 264 to move up and down, the third driving cylinder 265 is fixed on the fixed plate and is fixed on the slide block of a third linear sliding table module 267 through a third connecting plate 266, the third driving motor 268 drives the slide block on the third linear sliding table module 267 to do linear motion relative to the silver paste transmission layer on the silk screen 261, the third linear sliding table module 267 is installed, the direction of motion of the slider in the third linear sliding table module 267 is perpendicular to the direction of motion of the slider in the second linear sliding table module 23, a plurality of proximity switches 6 are installed on the side edge of the second linear sliding table module 23, and the position of motion of the second positioning mechanism 22 is detected through the proximity switches 6. The piezoelectric ceramic plate 7 located on the first positioning mechanism 21 is transported to the second positioning mechanism 22 through the second material transporting manipulator 42, the piezoelectric ceramic plate 7 located on the second positioning mechanism 22 is moved to a working position of the screen printing mechanism 26 on the second linear sliding table module 23 to perform front electrode printing, the piezoelectric ceramic plate 7 subjected to front electrode layer printing is moved to the drying mechanism 252 to perform drying processing, and after drying, the second positioning mechanism 22 returns to an initial position and is transported to the side surface printing mechanism 3 through the third material transporting manipulator 43.
As shown in fig. 12 and 13, the lateral silver printing device includes a pad printing assembly 32, a rotating assembly 33, a vertical moving device 34, a positioning assembly 31 of the piezoelectric ceramic plate 7 and a positioning sliding device 35; the vertical moving device 34 and the positioning sliding device 35 in this embodiment are fixedly mounted on the working plate 8 of the workbench, wherein the pad printing assembly 32 comprises a rotating plate 321 and a pad printing head 322; the rotating plate 321 is in an L-shaped structure and comprises two vertically arranged strip-shaped plates, the transfer printing head 322 is fixed on one strip-shaped plate of the rotating plate 321, the section of the transfer printing head 322 is in a trapezoid structure with a short upper part and a long lower part and the top of the trapezoid structure is in a convex smooth arc-shaped structure, the bottom of the transfer printing head 322 is fixed on one strip-shaped plate of the rotating plate 321, the transfer printing head 322 adopts a soft silica gel transfer printing head 322, the soft silica gel transfer printing head 322 can prevent the piezoelectric ceramic plate 7 from being damaged and protect the integrity of the piezoelectric ceramic plate 7, the rotating plate 321 is fixed on the rotating assembly 33, the rotating assembly 33 adopts a rotary cylinder 331, the other strip-shaped plate of the rotating plate 321 is fixed on the rotary cylinder 331, the transfer printing side of the transfer printing head 322 is perpendicular to the rotating direction of the rotary cylinder 331 and faces outwards, the rotary cylinder 331 rotates, the vertical moving device 34 drives the rotating assembly 33 to vertically move up and down, silver paste is adhered to the transfer printing head 322 on the transfer printing assembly 32, and the rotating assembly 33 rotates to drive the transfer printing head 322 to coat the side face of the piezoelectric ceramic plate 7 with the silver paste; as shown in fig. 13, the vertical moving device 34 in the present embodiment includes a cylinder top plate 345, a first fixing plate 344, an adjusting plate 341, and a plurality of adjusting rods 343; a fixed adjusting rod 343 is uniformly distributed between the cylinder top plate 345 and the first fixing plate 344, the first fixing plate 344 is fixed on the working plate 8 of the workbench, four adjusting rods 343 are respectively fixed at four corners of the cylinder top plate 345 and the first fixing plate 344, an adjusting plate 341 is arranged on the adjusting rod 343 in a penetrating manner, a flanged linear bearing 342 is sleeved on each adjusting rod 343, the adjusting plates 341 are sleeved on the outer circumference of the flanged linear axis and fixedly connected with the flanged linear bearing 342 through bolts, a mini cylinder 346 is fixed on the cylinder top plate 345, the driving shaft of the mini cylinder 346 passes through the cylinder top plate 345 and is connected with the adjusting plate 341, the mini cylinder 346 is positioned in the middle of the cylinder top plate 345 and is fixedly connected with the middle of the top surface of the adjusting plate 341 through a floating joint 347, the rotating assembly 33 is fixed on one side of the adjusting plate 341, namely the rotating cylinder 331 is fixed on the, one end of the connecting plate is fixed on the adjusting plate 341, the rotary cylinder 331 is located in the horizontal direction, the mini cylinder 346 drives the adjusting plate 341 to vertically displace up and down on the adjusting rod 343, silver paste adheres to the pad printing head 322, the pad printing head 322 is driven to coat the side surface of the piezoelectric ceramic plate 7 with the silver paste by the rotation of the rotary component 33, the positioning component 31 and the positioning sliding device 35 of the piezoelectric ceramic plate 7 are arranged right opposite to the pad printing head 322 side, as shown in fig. 14, the positioning component 31 is installed on the positioning sliding device 35, the positioning sliding device 35 drives the positioning component 31 to displace forward and backward right opposite to the pad printing head 322, the positioning component 31 comprises a second air suction plate 311, a second positioning plate 312, a fourth driving cylinder 313 and an installing plate 314, the second air suction plate 311 is fixed on the top of the installing plate 314, the second air suction plate 311 is in a strip structure and is arranged parallel to the pad printing head 322, the, the mounting plate 314 is fixed on the positioning sliding device 35, 10 second air suction ports are arranged in a row on the upper surface of the second air suction plate 311 along the length direction, each second air suction port is adsorbed and placed with the piezoelectric ceramic piece 7, so that the piezoelectric ceramic piece 7 keeps still, the side electrode layer to be brushed of the piezoelectric ceramic piece 7 positioned on the second air suction port is arranged towards the printing head 322 side and is exposed out of the second air suction plate 311, the part of the piezoelectric ceramic piece 7 exposed out of the second air suction plate 311 is set according to the width of the side electrode layer of the piezoelectric ceramic piece 7, the second air suction plate 311 is provided with a second positioning plate 312, the length of the second positioning plate 312 is the same as that of the second air suction plate 311, the second positioning plate 312 positioned on one side of the air suction ports is provided with V-shaped grooves with the same number as that of the second air suction ports, the piezoelectric ceramic piece 7 is positioned in the V-shaped groove of the second positioning plate 312, the other side of, the fourth driving cylinder 313 is fixed on the top surface of the mounting plate 314, the fourth driving cylinder 313 drives the second positioning plate 312 to move back and forth relative to the piezoelectric ceramic plate 7, and the V-shaped groove on the second positioning plate 312 moves back and forth to position the outer circle contour of the piezoelectric ceramic plate 7; the electrode layer of the side surface to be printed of the piezoelectric ceramic piece 7 positioned on the second air suction port is arranged towards the side of the transfer printing head 322 and is exposed out of the second air suction plate 311, the relative position of the electrode layer and the transfer printing head 322 is adjusted through a positioning sliding device 35, and the silver paste on the transfer printing head 322 is coated on the electrode layer of the side surface to be printed of the piezoelectric ceramic piece 7 through a rotating assembly 33; the positioning slide device 35 includes a fourth linear sliding table module 351 and a fourth driving motor 352, the mounting plate 314 is fixed on the slider of the fourth linear sliding table module 351, the fourth linear sliding table module 351 is fixed on the working plate 8 of the working table, the moving direction of the slider on the fourth linear sliding table module 351 is perpendicular to the linear moving direction of the third material moving manipulator 43, the moving direction of the sliding track of the fourth linear sliding table module 351 faces the printing head 322, the fourth driving motor 352 drives the fourth linear sliding table module 351 to make the mounting plate 314 slide and position on the fourth linear sliding table module 351, a plurality of proximity switches 6 are arranged at the sliding track side of the fourth linear sliding table module 351, the proximity switches 6 detect the displacement position of the sliding block on the fourth linear sliding table module 351, the relative positions of the positioning component 31 and the pad printing component 32 are preset in the invention, the position of the positioning assembly 31 is detected through the proximity switch 6 on the fourth linear sliding table module 351; in the embodiment, the fourth linear sliding table module 351 is driven by the fourth driving motor 352 to make the positioning assembly 31 slide and position on the fourth linear sliding table module 351, through the cooperation of the fourth linear sliding table module 351 and the fourth driving motor 352, the positioning assembly 31 can slide more smoothly, the stability of the piezoelectric ceramic plate 7 on the positioning assembly 31 is maintained, the positioning assembly 31 positions the piezoelectric ceramic plate 7 through the second positioning plate 312 and the second suction plate 311, the relative position of the piezoelectric ceramic plate 7 on the second air suction plate 311 is adjusted through the fourth driving cylinder 313, the relative position of the piezoelectric ceramic plate 7 relative to the pad printing component 32 is adjusted through the fourth linear sliding table module 351, the positioning component 31 can keep the position of the piezoelectric ceramic piece 7 still, so that the side electrode layer of the piezoelectric ceramic piece 7 is coated to the same position, and the position consistency is kept; as shown in fig. 15, in order to make the pad printing assembly 32 adhere silver paste more conveniently, a silver paste box 36 is disposed below the bottom of the pad printing head 322, a mounting hole is formed on the working plate 8 between the positioning sliding device 35 and the vertical moving device 34, the silver paste box 36 is disposed below the mounting hole, the silver paste box 36 is mounted on the top surface of the limiting plate 363 through a limiting assembly, the limiting plate 363 is of a rectangular parallelepiped structure and fixed to the bottom of the working plate 8 through 4 second fixing plates 366 fixed at the corners of the limiting plate 363, the silver paste box 36 is located below the bottom of the pad printing head 322, the pad printing head 322 is driven downwards by the vertical moving device 34 to extend into the silver paste box 36 to adhere silver paste conveniently, the silver paste is added into the silver paste box 36, linear sliding guide rails 364 are respectively disposed on two sides of the long side of the limiting plate 363, second support frames 361 are slidably disposed on the linear sliding guide rails 364, the second support 361 comprises sliding plates which are respectively connected with a linear sliding guide 364 in a sliding way, the bottoms of the two sliding plates are positioned below the limiting plate 363 and are connected into a whole through a bottom plate, the tops of the two sliding plates are positioned above the limiting plate 363 and are connected through a feeding plate, a silver paste feeding box 362 is arranged in the middle of the feeding plate, a thin air cylinder 365 is arranged on the bottom plate at the bottom of the second support 361, a driving shaft of the thin air cylinder 365 is connected with the bottom plate through a floating joint 347, the thin air cylinder 365 is fixed at the bottom of the limiting plate 363 and drives the second support 361 to move back and forth on the limiting plate 363 through the driving shaft, so that the silver paste in the feeding box 362 is uniformly placed in the silver paste box 36, the silver paste box 36 is positioned below the bottommost end of the transfer printing head 322 in the transfer printing assembly 32, the adhesion of the silver paste in the silver paste box 36, the transfer printing head 322 adhered with the silver paste is used for brushing the piezoelectric ceramic piece 7, the operation that the transfer printing head 322 is adhered with the silver paste is automatically completed, the transfer printing assembly 32 is convenient to continuously and repeatedly brush the side electrode layer of the piezoelectric ceramic piece 7, the working efficiency is improved, manual operation is replaced, and the labor cost is saved.
The working process of the side pad printing mechanism 3 in this embodiment is to preset the relative positions of the positioning assembly 31 and the pad printing assembly 32 during working, to put the silver paste into the silver paste box 36 uniformly through the feeding box 362, and to set the position of the piezoelectric ceramic plate 7 on the positioning assembly 31, to make the side electrode layer of the piezoelectric ceramic plate 7 to be printed face the pad printing head 322 and expose the side electrode layer to the second suction plate 311, to determine the size of the piezoelectric ceramic plate 7 exposed to the second suction plate 311 according to the width of the side electrode layer of the piezoelectric ceramic plate 7, to adsorb and position the piezoelectric ceramic plate 7 through the suction port on the second suction plate 311, to move the outer circle contour of the piezoelectric ceramic plate 7 back and forth through the V-shaped groove on the second positioning plate 312, and at the same time, the pad printing head 322 in the pad printing assembly 32 is located on the vertical surface, and the pad printing head 322 is driven by the vertical moving device 34 to move down to the silver paste, the transfer printing head 322 extends into the silver paste of the silver paste box 36, the silver paste is adhered, the transfer printing head 322 adhered with the silver paste is driven by the vertical moving device 34 to move upwards and move to a preset position, then the rotating assembly 33 rotates towards the side of the piezoelectric ceramic piece 7, the transfer printing head 322 adhered with the silver paste rotates upwards to coat the silver paste on the position of a side electrode layer to be printed of the piezoelectric ceramic piece 7, the side electrode layer of the piezoelectric ceramic piece 7 is coated, then the piezoelectric ceramic piece 7 is driven by the positioning sliding device 35 to be far away from the transfer printing assembly 32, the transfer printing assembly 32 rotates downwards, at the moment, the side electrode layer of the piezoelectric ceramic piece 7 is coated, and the transfer printing assembly 32 continues to repeat the work in a circulating mode; after the piezoelectric ceramic plate 7 on the positioning assembly 31 completes the printing of the side electrode, the piezoelectric ceramic plate returns to the initial position, and the piezoelectric ceramic plate 7 is transported to the blanking mechanism 5 by the fourth material transporting manipulator 44.
As shown in fig. 16, the blanking mechanism 5 includes a material receiving plate 51, a fifth linear sliding table module 52, a fifth driving motor 53 and a proximity switch 6; the upper surface of the material receiving plate 51 is provided with a plurality of grooves for placing the piezoelectric ceramic plates 7 in parallel, the fourth material moving manipulator 44 moves the piezoelectric ceramic plates 7 into the grooves on the material receiving plate 51, the material receiving plate 51 is fixed on a slider of the fifth linear sliding table module 52, the movement direction of the slider on the fifth linear sliding table module 52 is perpendicular to the linear movement direction of the fourth material moving manipulator 44, the fifth linear sliding table module 52 drives the material receiving plate 51 on the slider thereof to move through the fifth driving motor 53, in order to detect the movement position of the material receiving plate 51, a plurality of proximity switches 6 are installed on the side edge of the fifth linear sliding table module 52, the movement position of the material receiving plate 51 is detected through the proximity switches 6, and after the piezoelectric ceramic plates 7 on the material receiving plate 51 are fully paved, the work of the whole silver printing system is stopped.
The invention can set the group number of the bin 11 according to the actual requirement, and set the group number of the bin 11 according to the number of the piezoelectric ceramic sheets 7 printed at one time, wherein the number and the arrangement mode of the piezoelectric ceramic sheets 7 on the first positioning mechanism 21, the second positioning mechanism 22 and the positioning component 31 on the side transfer printing mechanism 3 on the front printing mechanism 2 are the same as those on the storage mechanism 1, the negative pressure material taking manipulator of the material handling mechanism 4 moves synchronously, the first material handling manipulator 41 carries the piezoelectric ceramic sheets 7 on the bin 11 to the first positioning mechanism 21, meanwhile, the second material handling manipulator 42 carries the piezoelectric ceramic sheets 7 on the first positioning mechanism 21 to the second positioning mechanism 22, meanwhile, the third material handling manipulator 43 carries the piezoelectric ceramic sheets 7 on the second positioning mechanism 22 to the positioning component 31, meanwhile, the fourth material handling manipulator 44 carries the piezoelectric ceramic sheets 7 on the positioning component 31 to the blanking mechanism 5, the distances between two adjacent parts of the bin 11, the first positioning mechanism 21, the second positioning mechanism 22, the positioning assembly 31 and the blanking mechanism 5 in the storage mechanism 1 are the same, and four groups of negative pressure material taking manipulators are synchronously driven to perform linear motion through the synchronous moving device; the negative pressure material taking manipulator adjusts the height of a suction head of a vacuum generator relative to a working plate through an upper sliding table cylinder of the negative pressure material taking manipulator, so that a piezoelectric ceramic piece to be carried is adsorbed, after the piezoelectric ceramic piece is adsorbed, the suction head of the vacuum generator is lifted upwards through the sliding table cylinder, after the preset height is reached, the piezoelectric ceramic piece is carried to a preset position of the next station through linear motion of a synchronous moving device, the piezoelectric ceramic piece is put down, carrying work is finished, and then the negative pressure material taking manipulator is driven to return to the initial position through the synchronous moving device to carry out the next round of carrying work; the piezoelectric ceramic pieces 7 on the first positioning mechanism 21 are adsorbed by the adsorption columns 213 to realize central positioning on the central holes on the first positioning plate 211, so that the piezoelectric ceramic pieces 7 are arranged in order, the centers of the piezoelectric ceramic pieces 7 are positioned on the same straight line, after the piezoelectric ceramic pieces 7 are positioned by the first positioning mechanism 21, the piezoelectric ceramic pieces 7 on the first positioning mechanism 21 are conveyed to the second positioning mechanism 22 by the second conveying manipulator 42, the piezoelectric ceramic pieces 7 are adsorbed by the first adsorption plates 221 on the second positioning mechanism 22, so that the piezoelectric ceramic pieces 7 are kept static, the piezoelectric ceramic pieces 7 on the second positioning mechanism 22 are subjected to front electrode printing by the silk-screen printing mechanism 26, the piezoelectric ceramic pieces 7 are dried by the drying mechanism 252 25, finally the second positioning mechanism 22 is returned to the initial position, the piezoelectric ceramic pieces 7 are conveyed to the positioning assembly 31 by the third conveying manipulator 43, the piezoelectric ceramic plates 7 on the positioning assembly 31 realize side electrode printing through the pad printing assembly 32, and the piezoelectric ceramic plates 7 with the printed side electrode layers are conveyed to the blanking mechanism 5 through the fourth conveying manipulator 44, so that the work of the whole system is completed.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An automatic silver printing system for coplanar piezoelectric ceramic pieces is characterized by comprising a conveying mechanism, a material storage mechanism, a front printing mechanism, a side transfer printing mechanism and a blanking mechanism; the piezoelectric ceramic plates are arranged on the material storage mechanism, the piezoelectric ceramic plates on the material storage mechanism are conveyed to the front printing mechanism through the material conveying mechanism, the front printing mechanism comprises a positioning mechanism, a drying mechanism and a silk-screen printing mechanism, the piezoelectric ceramic sheet is conveyed to the positioning mechanism through a conveying mechanism, the piezoelectric ceramic sheet positioned on the positioning mechanism is moved to the silk-screen printing mechanism to print the front electrode, the piezoelectric ceramic pieces are dried by the drying mechanism, the piezoelectric ceramic pieces printed with the front electrode layer are conveyed to the side transfer printing mechanism by the conveying mechanism, the side pad printing mechanism comprises a pad printing positioning mechanism and a pad printing device, the material conveying mechanism conveys the piezoelectric ceramic plate to the pad printing positioning mechanism, the electrodes on the side surfaces of the piezoelectric ceramic pieces are printed by the pad printing device, and the piezoelectric ceramic pieces on the pad printing positioning mechanism are conveyed to the blanking mechanism through the conveying mechanism.
2. The automatic silver printing system for the coplanar piezoelectric ceramic plates as recited in claim 1, wherein the storage mechanism comprises at least one group of bins and a feeding mechanism; the feed bin is the range mode that the setting is the same with the manipulator on removing the feed mechanism in a word arrangement, the piezoceramics piece has been placed in the feed bin, and every group feed bin bottom runs through and is equipped with the push rod, the push rod upwards promotes through the piezoceramics piece in the feed mechanism with the feed bin.
3. The automatic silver printing system for the coplanar piezoelectric ceramic pieces as claimed in claim 2, wherein the positioning mechanism of the front printing mechanism comprises a first positioning mechanism and a second positioning mechanism; the figure and the range mode of piezoceramics piece on first positioning mechanism and the second positioning mechanism are the same with the range mode of piezoceramics piece on storage mechanism, piezoceramics piece carries out the center location through first positioning mechanism, and the piezoceramics piece that will be located on first positioning mechanism through carrying material mechanism again carries to the second positioning mechanism on, second positioning mechanism is fixed in on the slider of second straight line slip table module, second straight line slip table module carries out sharp displacement through second driving motor drive second positioning mechanism, stoving mechanism and silk screen printing mechanism are located the direction of second positioning mechanism straight line displacement.
4. The automatic silver printing system of the coplanar piezoceramics sheet of claim 3, wherein, the first positioning mechanism comprises a first positioning plate, a first supporting plate, an adsorption column, a second connecting plate, a first slide rail component and a second driving cylinder; first backup pad is fixed in on the working plate, the top side of first backup pad is fixed with first locating plate, first locating plate is rectangular form structure, is equipped with the centre bore the same with arrangement mode with piezoceramics dish figure on the storage mechanism on it, the perforation of centre bore upper portion for being radius platform type, and its lower part is the perforation of cylinder type, all wears to be equipped with the adsorption column in every centre bore, and the bottom of adsorption column is fixed in on the second connecting plate, second connecting plate both ends are respectively through first slide rail set spare and first backup pad side sliding connection, the bottom and the second of second connecting plate drive actuating cylinder and be connected, the second drives actuating cylinder and is fixed in on the working plate.
5. The automatic silver printing system of coplanar piezoelectric ceramic pieces as claimed in claim 3, wherein the second positioning mechanism comprises a first air suction plate, the first air suction plate is provided with first air suction ports with the same number and arrangement mode as the piezoelectric ceramic pieces on the storage mechanism, the first air suction plate is fixed on a slide block of a second linear sliding table module through a backing plate, the second linear sliding table module drives the first air suction plate to move through a second driving motor, the middle part of the second linear sliding table module is provided with a drying mechanism in a crossing manner, the tail end of the second linear sliding table module is provided with a silk screen printing mechanism, the silk screen printing mechanism comprises a silk screen plate, a silk screen scraper and a driving mechanism, the piezoelectric ceramic pieces on the second positioning mechanism move below the working position of the silk screen plate, the silk screen scraper moves under the driving of the driving mechanism and performs front electrode printing on the piezoelectric ceramic pieces through the silk screen plate, and the piezoelectric ceramic piece printed with the front electrode layer returns to the lower part of the drying mechanism on the second linear sliding table module to dry the piezoelectric ceramic piece.
6. The automatic silver printing system for the coplanar piezoelectric ceramic plates as recited in claim 2, wherein the pad printing positioning mechanism comprises a positioning assembly and a positioning sliding device; the positioning assembly positions the piezoelectric ceramic piece, the positioning assembly is fixed on the positioning sliding device, and the pad printing device comprises a pad printing assembly, a rotating assembly and a vertical moving device; the transfer printing assembly comprises a transfer printing head and a rotating plate, the transfer printing head is fixed at the end of the rotating plate, the rotating plate is fixed on the rotating assembly, the rotating assembly is fixed on the vertical moving device, and silver paste is coated on the side face of the piezoelectric ceramic piece when the transfer printing head rotates up and down.
7. The automatic silver printing system of the coplanar piezoelectric ceramic plates as claimed in claim 6, wherein the positioning assembly comprises a second air suction plate, a second positioning plate, a fourth driving cylinder and a mounting plate, the second air suction plate is fixed on the top of the mounting plate, the second air suction plate is in a strip structure, second air suction ports with the same number and arrangement mode as the piezoelectric ceramic plates on the storage mechanism are arranged on the second air suction ports, a piezoelectric ceramic plate is adsorbed on each second air suction port, the second positioning plate is arranged on the second air suction plate, a V-shaped groove with the same number as the second air suction ports is arranged on the second positioning plate on one side of the second air suction ports, the other side of the second positioning plate is connected with the fourth driving cylinder, the fourth driving cylinder drives the second positioning plate to move back and forth relative to the printing head, the second positioning plate pushes the piezoelectric ceramic plates to move to the side of the printing head, the side electrode layer to be printed of the piezoelectric ceramic piece positioned on the second air suction port is arranged towards the side of the pad printing head and exposed out of the second air suction plate, the relative position of the piezoelectric ceramic piece and the pad printing head is adjusted through the positioning sliding device, and the silver paste on the pad printing head is coated to the side electrode layer to be printed of the piezoelectric ceramic piece through the rotating assembly.
8. The automatic silver printing system of the coplanar piezoelectric ceramic plates as claimed in claim 6, wherein the transfer printing head is a soft silica gel transfer printing head, the rotating assembly is a rotating cylinder, the transfer printing head is fixed at the end of a rotating plate, the rotating plate is fixed on the rotating cylinder, and the transfer printing side of the transfer printing head on the rotating plate is perpendicular to the rotating direction of the rotating assembly; the vertical moving device comprises a cylinder top plate, a first fixing plate, an adjusting plate and a plurality of adjusting rods; the utility model discloses a cylinder, including cylinder roof, regulating plate, rotating assembly, regulating plate, equipartition fixed regulation pole between cylinder roof and the first fixed plate, wear to be equipped with the regulating plate on the regulation pole, be fixed with mini cylinder on the cylinder roof, the drive shaft of mini cylinder passes the cylinder roof and is connected with the regulating plate, rotating assembly is fixed in regulating plate one side, mini cylinder drive regulating plate carries out vertical displacement from top to bottom.
9. The automatic silver printing system for the coplanar piezoelectric ceramic plates as recited in claim 1, wherein the material handling mechanism comprises a first material handling manipulator, a second material handling manipulator, a third material handling manipulator, a fourth material handling manipulator and a fourth support frame; the first material taking manipulator, the second material taking manipulator, the third material taking manipulator and the fourth material taking manipulator which adopt negative pressure material taking manipulators are adopted, the four groups of negative pressure material taking manipulators are located on the same side of the fourth support frame and are fixed on the synchronous moving device, and the synchronous moving device synchronously drives the four groups of negative pressure material taking manipulators to perform reciprocating linear motion.
10. The automatic silver printing system of coplanar piezoceramics piece of claim 9, characterized in that, the first mechanical hand of moving carries the piezoceramics piece on the storage mechanism to positive printing mechanism, when the first mechanical hand of moving adsorbs the piezoceramics piece, it is directly facing the piezoceramics piece inboard on the first mechanical hand of moving and is equipped with blows the flitch, blow the flitch and be fixed in on the fourth support frame, every piezoceramics piece is directly facing to and is equipped with the blowing mouth, is facing to the storage mechanism outside that blows the flitch and is equipped with the material receiving box, blow unnecessary material on the piezoceramics piece that the first mechanical hand of moving adsorbs and fall to the material receiving box.
CN202010629756.8A 2020-07-03 2020-07-03 Automatic silver printing system for coplanar piezoelectric ceramic pieces Pending CN111619217A (en)

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CN202010629756.8A CN111619217A (en) 2020-07-03 2020-07-03 Automatic silver printing system for coplanar piezoelectric ceramic pieces

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113246604A (en) * 2021-06-04 2021-08-13 湖南标立通用科技有限公司 Pad printing equipment
CN113997688A (en) * 2021-11-29 2022-02-01 东莞市杰尔机械设备有限公司 A lithography apparatus for recess face
CN114013178A (en) * 2021-10-09 2022-02-08 深圳市旭崇自动化设备有限公司 Silver paste transfer printing equipment
CN115179643A (en) * 2022-07-25 2022-10-14 温州市瓯新电子有限公司 Processing technology of piezoelectric ceramic piece and piezoelectric ceramic piece prepared by processing technology

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113246604A (en) * 2021-06-04 2021-08-13 湖南标立通用科技有限公司 Pad printing equipment
CN113246604B (en) * 2021-06-04 2022-11-18 湖南标立通用科技有限公司 Pad printing equipment
CN114013178A (en) * 2021-10-09 2022-02-08 深圳市旭崇自动化设备有限公司 Silver paste transfer printing equipment
CN113997688A (en) * 2021-11-29 2022-02-01 东莞市杰尔机械设备有限公司 A lithography apparatus for recess face
CN115179643A (en) * 2022-07-25 2022-10-14 温州市瓯新电子有限公司 Processing technology of piezoelectric ceramic piece and piezoelectric ceramic piece prepared by processing technology
CN115179643B (en) * 2022-07-25 2024-05-07 温州市瓯新电子有限公司 Treatment process of piezoelectric ceramic sheet and piezoelectric ceramic sheet prepared by treatment process

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