CN111391490A

CN111391490A - Multi-station water transfer printing equipment capable of achieving synchronous and accurate positioning

Info

Publication number: CN111391490A
Application number: CN202010307044.4A
Authority: CN
Inventors: 李俊; 郭颖; 黄尚进
Original assignee: Mingde New Material Technology Zhejiang Co ltd
Current assignee: Mingde New Material Technology Zhejiang Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-07-10
Anticipated expiration: 2040-04-17
Also published as: CN111391490B

Abstract

The invention discloses multi-station synchronous and accurate positioning water transfer printing equipment, which comprises a water tank, a water transfer printing device and a film removing device, wherein the water tank is provided with a water inlet and a water outlet; the water transfer printing device comprises a positioning mechanism and a plurality of clamping mechanisms; the positioning mechanism comprises an electric track, a movable plate, a shifting assembly, a first screw rod sleeved in the movable plate, a second screw rod sleeved outside the first screw rod, a first reinforcing piece, a fixed disc sleeved outside the second screw rod and a second reinforcing piece; the second screw rod is meshed with the first screw rod; and the plurality of clamping mechanisms are distributed on the fixed disk at equal intervals along the circumferential direction of the fixed disk. According to the invention, multiple stations are arranged on the fixed disc, synchronous change of water inlet angles of the multiple stations and switching of different stations are realized by driving the fixed disc to rotate, meanwhile, the electric rail is arranged, the second screw rod is sleeved outside the first screw rod, accurate positioning of a water inlet position of a workpiece is realized, a printing position is accurate, and printing quality is improved.

Description

Multi-station water transfer printing equipment capable of achieving synchronous and accurate positioning

Technical Field

The invention belongs to the technical field of water transfer printing equipment, and particularly relates to multi-station synchronous and accurate positioning water transfer printing equipment.

Background

The existing water transfer printing is generally in a mode of printing in water by holding a workpiece by a worker, and the mode has the following defects: a workman can only operate a work piece once, influence the efficiency of stamp, workman intensity of labour is big, and the workman is carrying out the in-process of water rendition to the work piece, and with water rendition pattern contact, very unfavorable to workman's health, most crucial, current different work pieces all have different requirements to the angle of entrying and with the contact site of stamp pattern, inexperienced operating personnel is very difficult to hold, and skilled operating personnel also is difficult to accomplish accurate the accuse, causes work piece stamp position skew, influences stamp quality.

Disclosure of Invention

The invention provides multi-station synchronous and accurate-positioning water transfer printing equipment for improving printing quality in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a multi-station synchronous and accurate-positioning water transfer printing device comprises a water tank, a water transfer printing device arranged above the water tank and a film removing device arranged on the water tank; the water transfer printing device comprises a positioning mechanism and a plurality of clamping mechanisms arranged on the positioning mechanism; the positioning mechanism comprises an electric track arranged on one side wall of the water tank, a moving plate arranged on the electric track, a shifting assembly arranged on the moving plate, a first screw rod rotatably sleeved in the moving plate, a second screw rod sleeved outside the first screw rod, two first reinforcing members respectively arranged at two ends of the second screw rod, a fixed disc sleeved outside the second screw rod and two second reinforcing members respectively arranged at two ends of the fixed disc; the second screw rod is meshed with the first screw rod; and the plurality of clamping mechanisms are distributed on the fixed disk at equal intervals along the circumferential direction of the fixed disk.

During printing, the clamping mechanism which finishes printing and the clamping mechanism to be printed are switched by the poking assembly, and the other clamping mechanisms clamp the workpiece again in the printing process of the clamping mechanism at the printing station; when the printing of all the workpieces of the batch is finished, if the water inlet angle and the water inlet position of a new workpiece need to be adjusted, loosening the second reinforcing member, rotating the fixed disc to a proper angle, adjusting the water inlet angle, and then screwing the second reinforcing member; after the adjustment of the water inlet angle is finished, starting the electric track, driving the movable plate to move by the electric track, adjusting the position along the length direction of the water tank, loosening the two first reinforcing members, tightly holding the second screw rod to prevent the second screw rod from rotating, rotating the first screw rod, driving the second screw rod to move along the length direction of the first screw rod by the first screw rod, and adjusting the position along the width direction of the water tank; the multi-station fixed disc is arranged on the fixed disc, so that the fixed disc is driven to rotate to realize the synchronous change of the water inlet angles of the multi-station fixed disc, the equipment meets the processing requirements of workpieces with different water inlet angles, and the application range of the equipment is enlarged; by arranging the shifting mechanism, the switching of different stations is realized, the clamping and printing of the workpiece which is operated step by step originally can be operated synchronously, and the production efficiency is improved; through setting up electronic track and establishing the second lead screw at first lead screw overcoat, adjust respectively along water tank length direction, along water tank width direction fixed disk position to drive a plurality of fixture and carry out the position control in step, realize that the accurate location of work piece income water position, the stamp position is accurate, has improved the stamp quality.

The clamping mechanism comprises a clamp, a telescopic piece, two groups of locking assemblies and an opening and closing assembly, wherein the telescopic piece is connected with the clamp and the fixed disc, the two groups of locking assemblies are respectively arranged in the left side wall and the right side wall of the telescopic piece, and the opening and closing assembly is arranged on the telescopic piece.

When in printing, the telescopic piece is extended, and the clamp at the printing station is slowly pushed into water to perform water transfer printing on the workpiece; by arranging the clamping mechanism, the water-entering printing operation of a workpiece is simulated by hands, multiple devices are synchronously operated, batch printing of multiple workpieces can be carried out simultaneously, and the printing efficiency is improved; meanwhile, the contact between workers and the water transfer film is avoided, and the health of the workers is guaranteed.

The locking assembly comprises a pressing piece embedded at the end part of the telescopic piece, a plurality of first elastic pieces arranged on one side of the pressing piece close to the center of the telescopic piece, a ring-shaped piece sleeved outside the first elastic pieces, an annular groove matched with the ring-shaped piece and a groove arranged on the fixed disc; two ends of the pressing piece are provided with two convex parts with equal size; the slot is provided with two concave parts matched with the pressing piece.

When the clamping mechanism is disassembled, the lug boss on the upper side of the pressing piece is pressed towards the inside of the telescopic piece, the first elastic piece is extruded and contracted, the annular piece is embedded in the annular groove and moves along the length direction of the annular groove to drive the lug boss on the lower side of the pressing piece to synchronously move, the exposed part moves to the inside of the telescopic piece, so that the pressing piece does not block the slot any more, the telescopic piece is taken out, the hand pressing the pressing piece is released after the pressing piece is taken out, and the first elastic piece recovers to the original length to drive the pressing piece to reset; when the clamping mechanism is installed, the operations are repeated, the telescopic piece is placed into the groove, after the telescopic piece is placed into the groove, a hand for pressing the pressing piece is released, the first elastic piece recovers the original length and drives the pressing piece to reset, so that the protruding part of the pressing piece below is clamped in the groove again to fix the telescopic piece; through the arrangement of the locking assembly, the clamping mechanism is convenient to disassemble, and the clamping mechanism is convenient to clean or replace; through setting up annular member and ring channel, ensure that will press the bellying that the piece is in the top toward when the extensible member is inside to be pressed, press the piece and can not incline towards the one end of pressing, guarantee to press the bellying that the piece is in the below and can take place synchronous displacement, guaranteed to press the piece and can break away from the screens accurately, show the fault rate that reduces in the locking Assembly use.

The opening and closing assembly comprises a fixing ring sleeved outside the telescopic piece, a plurality of first unfolding rods movably connected to the fixing ring, a plurality of elastic cloths arranged between every two first unfolding rods, a plurality of openings arranged on the elastic cloths, and a second unfolding rod connecting the first unfolding rods and the telescopic piece; one end of the second unfolding rod is movably connected to the telescopic piece, and the other end of the second unfolding rod is movably embedded in the first unfolding rod.

When the clamping mechanism enters water, the resistance direction of the water to the elastic cloth is consistent with the closing direction of the opening and closing assembly, the opening and closing assembly is in the closing state, when the clamping mechanism exits water, in the water exiting process, the resistance of the water to the elastic cloth is opposite to the closing direction of the opening and closing assembly, under the resistance action of the water, the first unfolding rod is opened to drive the elastic cloth to stretch, membrane residues floating on the water surface are resisted by the clamp, meanwhile, more water enters the opening and closing assembly, the second unfolding rod moves towards one end, away from the fixing ring, of the first unfolding rod under the driving of the first unfolding rod to support the first unfolding rod; when the clamping mechanism is exposed out of the water surface, water in the opening and closing assembly is scattered through the opening, and the clamp is cleaned; through setting up the subassembly that opens and shuts, open automatically when anchor clamps go out water, for anchor clamps provide the protection, avoid the adhesion of membrane sediment to anchor clamps to go out water automatically after anchor clamps go out water, wash the anchor clamps, guaranteed that anchor clamps do not receive the membrane sediment to pollute, guaranteed the clean of anchor clamps, thereby when anchor clamps centre gripping work piece, guarantee that workpiece surface does not receive the membrane sediment to pollute, ensured the quality of work piece.

The water tank comprises an inner tank body, a telescopic plate arranged at the left end of the inner tank body and an outer tank body arranged outside the front side wall and the right side wall of the inner tank body; the upper bottom surface of the telescopic plate is higher than the upper bottom surface of the inner box body, and the lower bottom surface of the telescopic plate is higher than the lower bottom surface of the inner box body; the side wall of the outer box body close to the inner box body is lower than the side wall of the outer box body far away from the inner box body.

After the surface of the workpiece is printed with a printing, starting an electric rail, driving a clamp to move forwards in water continuously by the electric rail, moving the workpiece from one end of a telescopic plate to the other end of the telescopic plate, preventing film residues on one side of the telescopic plate from entering the other side of the telescopic plate due to the blocking of the telescopic plate, taking the workpiece out of the clamp by an operator from the other side of the telescopic plate, and taking out the workpiece; the upper part of the water tank is separated into two parts by arranging the telescopic plate, so that the membrane slag cannot enter a clean water area, an operator cannot stick to the membrane slag when taking out a workpiece, and the health of the operator is ensured; through with the lateral wall that outer box is close to interior box sets to be less than the lateral wall that outer box kept away from interior box for the membrane sediment that overflows can be smoothly followed interior box and got into outer box when removing the membrane, guarantees that the membrane process goes on smoothly.

The membrane removing device comprises a water circulation mechanism, a vibration mechanism arranged in the inner box body and a filtering mechanism arranged in the outer box body; the oscillating mechanism comprises a cover disc arranged at the bottom of the inner box body, a plurality of herringbone chutes which are distributed in the side wall of the cover disc at equal intervals along the circumferential direction of the cover disc, a volute disc arranged on the cover disc and a pressing mechanism arranged on the side wall of the inner box body; the upper end surface and the lower end surface of the vortex disc are both inclined surfaces; the pressing mechanism comprises a fixing strip, an elastic strip with the same size as the fixing strip and a plurality of second elastic pieces connected with the elastic strip and the fixing strip.

When water enters the cover disc through the water circulation mechanism, the water enters a water area outside the cover disc through the herringbone chute, the component force of the acting force of the water on the herringbone chute drives the cover disc to rotate along the tangential direction of the cover disc in the process that the water passes through the herringbone chute, the cover disc rotates to drive the vortex disc to rotate, the vortex disc stirs the water, so that film slag floating on the water surface rotates in the same direction, the upper end surface and the lower end surface of the vortex disc are inclined surfaces, in the rotating process of the vortex disc, the component force of the acting force of the water on the vortex disc is vertically upward to drive the vortex disc to move upward and stretch, the lower end and the upper end of the stretched vortex disc are small and large, when the vortex disc stirs the water, the film slag on the water surface generates centrifugal movement while rotating, and enters the outer box body together with overflowing water from the inner box body, and the end part of the outermost circle of the vortex disc rotates, the elastic strips are touched intermittently, the elastic strips generate a downward reaction force to the end part of the outermost ring of the vortex disc, so that the vortex disc indirectly slightly contracts downwards, and after the end part of the outermost ring of the vortex disc leaves the elastic strips, the vortex disc is continuously lifted to the original height under the action of water; through setting up the mechanism that pushes down for the vortex dish carries out the ascending shrink of vertical side and extension at rotation in-process indirectness, thereby make the surface of water produce upper and lower whole undulant, because water circulation mechanism is continuously gone on, but the surface of water fluctuation is intermittent type nature, and the volume of overflow volume that the fluctuation degree of the surface of water caused is far greater than the water cycle and advances, goes out water, thereby realize overflowing the membrane sediment to outer box internal when lifting on the surface of water, guaranteed the effective clear away of surface of water membrane sediment after the water rendition.

The filtering mechanism comprises a filtering plate and a plurality of dredging pieces arranged below the filtering plate; the dredging piece is opposite to the filtering holes of the filtering plate in the vertical direction; the filter plate material density is less than the density of water.

Because the density of the filter plate material is less than that of water, the filter plate floats on the water surface, and when the equipment initially operates, part of water is injected into the outer box body, so that the filter plate is just positioned at the upper end of the dredging piece; when water in the inner box body fluctuates intermittently up and down under the action of the oscillating mechanism, when the water surface is in an upward lifting state, membrane residues and overflowed water flow into the outer box body together, the water enters the lower part of the filter plate through the filter plate, the water level below the filter plate rises, the filter plate is lifted upwards, when the water level of the inner box body falls, the outer box body is not supplemented by the overflowed water in the inner box body any more, the liquid level in the outer box body falls under the action of the water circulating mechanism, the filter plate moves downwards, and the dredging piece is arranged in the filter plate after moving downwards in a penetrating way and is used for dredging filter holes in the filter plate to prevent the membrane residues from blocking the filter holes; by arranging the filtering mechanism, water with membrane slag removed is provided for the water circulation mechanism, so that the water is continuously recycled, and water resources are saved; through setting up the mediation piece, dredge the filtration pore on the filter automatically, guarantee the filter to the water smooth and easy when membrane sediment separation, guarantee the steady operation of equipment.

The water circulation mechanism comprises a water suction pump, a water suction pipe and a water inlet pipe, wherein the water suction pipe and the water inlet pipe are arranged on two sides of the water suction pump; one end of the water pumping pipe is communicated with the outer box body, and the other end of the water pumping pipe is communicated with the water pumping port of the water pumping pump; inlet tube one end intercommunication the suction pump outlet, the other end intercommunication the cover dish just is located cover dish middle part.

After the water rendition finishes, when carrying out the membrane sediment and clear away, open the suction pump, take out to interior box with the good water that filters in the outer box, water is in proper order through drinking-water pipe, inlet tube, cover dish, interior box, spills over to outer box once more, has constituted the circulation closed circuit of water, simultaneously, through setting water to get into from interior bottom of the case portion middle part, also can assist the oscillation mechanism to spill over water from interior box top smoothly.

The poking component comprises a motor frame arranged on the movable plate, a motor arranged in the motor frame, a turntable connected with the rotating rod of the motor, a poking arm arranged on the turntable, a poking column arranged on the poking arm, a poking disc attached to the turntable, and a plurality of arc-shaped grooves and a plurality of poking grooves arranged on the poking disc; the poking disc is connected with the first screw rod; the number of the arc-shaped grooves and the number of the shifting grooves are the same as that of the clamping mechanisms; the shape of the arc-shaped groove is matched with that of the rotary disc; the shape of the toggle groove is matched with that of the toggle column.

After the extensible member resets, the starter motor, the motor drives the carousel and rotates, and the carousel drives and dials the arm and rotate, dials the arm and drives and dial the post rotation, dials the post and removes in stirring the inslot to drive and dial the dish and rotate, stir the dish and drive first lead screw and take place to rotate, because the arc wall, stir the number in groove with fixture's number is the same, thereby stirs the contained angle that a pivoted angle is the same with two stations, has realized the rotatory switching of different stations, stirs the post and when stirring the arm and rotate along with dialling, is not in always stirring the inslot, provides the buffering time for stirring the rotation in groove, makes the rotation of stirring the dish more accurate, has realized the accurate switching of different stations.

The telescopic plate comprises an upper cover shell connected with the inner box body, a lower cover shell embedded in the upper cover shell and a plurality of third elastic pieces connecting the upper cover shell and the lower cover shell; the upper bottom surface of the upper cover shell and the upper bottom surface of the lower cover shell are provided with a distance.

When moving the work piece to the other end from the one end of expansion plate, because fixture income water angle can be different, the distance of fixture and expansion plate can be different again, and when fixture and expansion plate's distance was little when fixture and expansion plate took place to touch, the lower housing passed through the shrink of third elastic component, avoided carrying out rigid touching with fixture to avoid fixture to damage, lengthened fixture's life.

In summary, the invention has the following advantages: through locating the multistation on the fixed disk, drive the rotatory synchronous change that realizes the income water angle of multistation of fixed disk and the switching of different stations, establish the second lead screw through setting up electronic track and at first lead screw overcoat simultaneously, realize that the work piece goes into the accurate location of water position, the stamp position is accurate, has improved the stamp quality.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a perspective view of the water tank of the present invention.

Fig. 3 is a central longitudinal cross-sectional view of a retractable plate according to the present invention.

Fig. 4 is a perspective view of the positioning mechanism of the present invention.

Fig. 5 is a perspective view of the clamping mechanism of the present invention.

Fig. 6 is a central longitudinal cross-sectional view of a clamping mechanism of the present invention.

Fig. 7 is an enlarged view of a portion a in fig. 6.

Fig. 8 is a top view of the present invention.

Fig. 9 is a cross-sectional perspective view taken along a-a of fig. 8.

Fig. 10 is an enlarged view at B in fig. 9.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-10, a multi-station synchronous accurate positioning water transfer printing device comprises a water tank 1, a water transfer printing device and a film removing device 2; the water transfer printing device is arranged above the water tank 1; the membrane removing device 2 is arranged on the water tank 1.

The water transfer printing device comprises a positioning mechanism 3 and a clamping mechanism 4; a plurality of the clamping mechanisms 4 are arranged, specifically, 4 clamping mechanisms 4 are arranged, and 4 clamping mechanisms 4 are arranged on the positioning mechanism 3; the positioning mechanism 3 comprises an electric track 31, a moving plate 32, a toggle assembly 33, a first screw rod 34, a second screw rod 35, a first reinforcing member 36, a fixed disc 37 and a second reinforcing member 38; the electric rail 31 is installed on the rear side wall of the water tank 1, and the electric rail 31 can be purchased from the market; the moving plate 32 is mounted on the electric rail 31, so that the electric rail 31 can drive the moving plate 32 to move back and forth along the length direction of the electric rail 31; the toggle assembly 33 is arranged on the moving plate 32; the first screw rod 34 is rotatably sleeved in the moving plate 32; the second lead screw 35 is sleeved outside the first lead screw 34, and the second lead screw 35 is meshed with the first lead screw 34; the number of the first reinforcing members 36 is 2, 2 first reinforcing members 36 are respectively arranged at two ends of the second screw rod 35, and the first reinforcing members 36 are meshed with the first screw rod 34; the fixed disc 37 is sleeved outside the second screw rod 35; the number of the second reinforcing members 38 is 2, 2 second reinforcing members 38 are respectively arranged at two ends of the fixed disc 37, and the second reinforcing members 38 are engaged with the second screw rods 35; the first and second reinforcing

members

36 and 38 are commercially available nuts; the 4 clamping mechanisms 4 are arranged on the fixed disc 37 at equal intervals along the circumferential direction of the fixed disc 37.

As shown in fig. 1-3, the water tank 1 includes an inner tank 11, a retractable plate 13 and an outer tank 14; the expansion plate 13 is fixedly connected to the left end of the inner box body 11, and the expansion plate 13 comprises an upper cover shell 131, a lower cover shell 132 and a third elastic member 133; the upper cover 131 is fixedly connected with the inner box body 11; the lower cover 132 is embedded in the upper cover 131; a plurality of, specifically, 3 third elastic members 133 are provided, one end of each third elastic member 133 is fixedly connected to the upper casing 131, and the other end is fixedly connected to the lower casing 132; the upper bottom surface of the upper cover 131 is spaced apart from the upper bottom surface of the lower cover 132, specifically, the spacing is set to 5 cm; the outer box body 14 is positioned outside the front side wall and the right side wall of the inner box body 11, and the outer box body 14 is fixedly connected with the front side wall and the right side wall of the inner box body 11; the upper bottom surface of the expansion plate 13 is higher than the upper bottom surface of the inner box body 11, specifically, the height is set to be 5cm, and the lower bottom surface of the expansion plate 13 is higher than the lower bottom surface of the inner box body 11, specifically, the height is set to be 40 cm; the side wall of the outer box 14 close to the inner box 11 is lower than the side wall of the outer box 14 far from the inner box 11, specifically, the lower distance is set to 10 cm.

As shown in fig. 1 and 4, the toggle assembly 33 includes a motor frame 331, a motor 332, a rotary plate 333, a toggle arm 334, a toggle column 335, a toggle plate 336, an arc-shaped slot 337 and a toggle slot 338; the motor frame 331 is fixedly connected to the moving plate 32; the motor 332 is mounted in the motor frame 331; the rotating disc 333 is fixedly connected with the rotating rod of the motor 332; the toggle arm 334 is fixedly connected to the turntable 333; the toggle column 335 is fixedly connected to the toggle arm 334; the dial plate 336 is attached to the rotating disc 333; the number of the arc-shaped grooves 337 and the number of the toggle grooves 338 are equal to the number of the clamping mechanisms 4, and the number of the arc-shaped grooves 337 and the number of the toggle grooves 338 are set to 4, and the arc-shaped grooves 337 and the toggle grooves 338 are arranged on the toggle plate 336; the poking disc 336 is fixedly connected with the first screw rod 34, and the first screw rod 34 is positioned at the central part of the poking disc 336; the arc-shaped groove 337 has the same shape as the contact part of the rotating disc 333; the width of the toggle slot 338 is the same as the width of the toggle post 335 such that the toggle post 335 can move within the toggle slot 338.

As shown in fig. 4-7, the clamping mechanism 4 includes a clamp 41, a telescopic member 42, a locking assembly 43 and an opening and closing assembly 44; one end of the telescopic member 42 is fixedly connected with the clamp 41, the other end of the telescopic member is mounted on the fixed disc 37, and the telescopic member 42 is an electric telescopic rod purchased from the market; the locking assemblies 43 are provided with 2 groups and are respectively arranged in the left side wall and the right side wall of the telescopic member 42; the locking assembly 43 comprises a pressing member 431, a first elastic member 432, a ring member 433, an annular groove 434 and a slot 435; the pressing piece 431 is embedded at the end part of the telescopic piece 42, and two ends of the pressing piece 431 are provided with two convex parts with equal size; a plurality of the first elastic members 432 are provided, specifically, 4 first elastic members 432 are provided, and 4 first elastic members 432 are fixedly connected to one side of the pressing member 431 near the center of the telescopic member 42; the annular member 433 is sleeved outside the first elastic member 432, and the annular member 433 is fixedly connected with the pressing member 431; the annular groove 434 is the same size as the ring-shaped member 433, so that the ring-shaped member 433 can be embedded into the annular groove 434; the open slot 435 is opened on the fixed disk 37, and the open slot 435 has two concave parts with the same shape as the two convex parts of the pressing piece 431; the opening and closing assembly 44 is arranged on the telescopic member 42, and the opening and closing assembly 44 comprises a fixing ring 441, a first unfolding rod 442, an elastic cloth 443, an opening 444 and a second unfolding rod 445; the fixing ring 441 is sleeved outside the telescopic member 42 and fixedly connected with the telescopic member 42; a plurality of the first unfolding rods 442, specifically, 4 first unfolding rods 442 are hinged to the fixing ring 441; the plurality of the elastic cloths 443 are provided, specifically, 4 pieces of the elastic cloths 443 are provided between every two of the 4 first unfolding rods 442; the elastic cloth 443 is waterproof cloth purchased from the market; a plurality of the openings 444 are formed on the elastic cloth 443; the second deployment rod 445 connects the first deployment rod 442 with the telescoping member 42; the first deploying rod 442 has a guide slot, one end of the second deploying rod 445 is hinged to the telescopic member 42, and the other end of the second deploying rod 445 is embedded in the guide slot of the first deploying rod 442, so that the second deploying rod 445 is embedded in one end of the first deploying rod 442 and can move back and forth along the length direction of the first deploying rod 442.

As shown in fig. 1, 8, 9 and 10, the membrane removing device 2 includes a water circulation mechanism 21, a vibration mechanism and a filtering mechanism 22; the oscillating mechanism is arranged in the inner box body 11; the filtering mechanism 22 is disposed in the outer case 14; the water circulation mechanism 21 comprises a water suction pump 211, a water suction pipe 212 and a water inlet pipe 213; the water pump 211 is commercially available; the water pumping pipe 212 and the water inlet pipe 213 are positioned at two sides of the water pumping pump 211; one end of the water pumping pipe 212 is communicated with the outer box body 14, and the other end of the water pumping pipe is communicated with a water pumping port of the water pumping pump 211; one end of the water inlet pipe 213 is communicated with the water outlet of the water pump 211, and the other end of the water inlet pipe is communicated with the cover disc 23 and is positioned in the middle of the cover disc 23; the oscillating mechanism comprises a cover disc 23, a herringbone chute 24, a volute disc 25 and a pressing mechanism 26; the cover disc 23 is embedded at the bottom of the inner box body 11, so that the cover disc 23 can rotate on the bottom surface of the inner box body 11; the number of the herringbone chutes 24 is multiple, the herringbone chutes 24 are distributed in the side wall of the cover disc 23 at equal intervals along the circumferential direction of the cover disc 23, the herringbone chutes 24 are obliquely arranged, inclined planes are not coplanar with the central axis of the cover disc 23, and an included angle of 30 degrees is formed; one end of the volute disc 25 close to the center is fixedly connected to the cover disc 23, and the volute disc 25 is formed by a plastic strip which is screwed along the volute disc and has certain elasticity; the upper end surface and the lower end surface of the vortex disc 25 are both inclined surfaces; the downward pressing mechanism 26 is inclined by 30 ° and disposed on the sidewall of the inner box 11, and the downward pressing mechanism 26 includes a fixing strip 261, an elastic strip 262 and a second elastic element 263; the elastic strip 262 and the fixed strip 261 are equal in size and made of rubber; a plurality of, specifically, 2 second elastic pieces 263 are provided, one end of each second elastic piece 263 is fixedly connected with the elastic strip 262, and the other end of each second elastic piece 263 is fixedly connected with the fixed strip 261; the filtering mechanism 22 comprises a filtering plate 221 and a dredging piece 222; the density of the material of the filter plate 221 is less than that of water, so that the filter plate 221 can float on the water surface; the filter plate is a common foam plate which is bought from the market and provided with a plurality of round holes; a plurality of dredging pieces 222 are arranged below the filter plates 221 and fixedly connected to the bottom surface of the outer box 14, and the dredging pieces 222 are opposite to the filter holes of the filter plates 221 in the vertical direction; the first elastic member 432, the second elastic member 263 and the third elastic member 133 are commercially available springs.

The specific working process is as follows: when the equipment is initially operated, part of water is injected into the outer box body 14, so that the filter plate 221 is just positioned at the upper end of the dredging piece 222; during printing, the telescopic piece 42 is extended, the clamp 41 at the printing station is slowly pushed into water, and water transfer printing of the workpiece is carried out; after the surface of the workpiece is printed with the printing, the electric rail 31 is started, the electric rail 31 drives the clamp 41 to move forwards continuously in water, the workpiece is moved from one end of the telescopic plate 13 to the other end, an operator takes the workpiece out of the clamp 41 from the other side of the telescopic plate 13, and the workpiece is taken out; after the moving plate is taken out, the electric rail 31 returns the moving plate 32 to the original position, and the telescopic piece 42 contracts to drive the clamp 41 to reset; in the process that the clamp 41 discharges water, the first unfolding rod 442 is opened to drive the elastic cloth 443 to stretch, the clamp 41 is replaced to resist membrane residues floating on the water surface, meanwhile, more water enters the folding and unfolding assembly 44, and the second unfolding rod 445 is driven by the first unfolding rod 442 to move towards one end, away from the fixing ring 441, of the first unfolding rod 442 so as to support the first unfolding rod 442; after the clamping mechanism 4 is exposed out of the water, the water in the opening and closing assembly 44 is sprayed through the opening 444 to clean the clamp 41; after the telescopic part 42 is reset, the motor 332 is started, the motor 332 drives the rotating disc 333 to rotate, the rotating disc 333 drives the shifting arm 334 to rotate, the shifting arm 334 drives the shifting post 335 to rotate, the shifting post 335 moves in the shifting groove 338 to drive the shifting disc 336 to rotate, the shifting disc 336 drives the first screw rod 34 to rotate to switch stations, and empty stations are clamped with workpieces after the switching is completed; after the water transfer printing is finished, removing film residues, starting a water suction pump 211, pumping the filtered water in the outer box body 14 to the inner box body 11, and enabling the water to sequentially pass through a water suction pipe 212, a water inlet pipe 213, a cover disc 23 and the inner box body 11 and then overflow to the outer box body 14 again to form a water circulation closed circuit; after entering the cover disc 23, water enters the water area outside the cover disc 23 through the herringbone chute 24 to drive the cover disc 23 to rotate, the cover disc 23 rotates to drive the vortex disc 25 to rotate, the vortex disc 25 stirs the water, the water drives the vortex disc 25 to move upwards, and when the stretched vortex disc 25 stirs the water, film residues on the water surface generate centrifugal movement while rotating; the end of the outermost ring of the spiral disk 25 intermittently contacts the elastic strip 262 during the rotation, the spiral disk 25 indirectly slightly contracts downward, when the end of the outermost ring of the vortex disc 25 leaves the elastic strip 262, the vortex disc 25 continues to be lifted to the original height, the water in the inner box body 11 generates intermittent fluctuation up and down under the action of the oscillation mechanism, when the water surface is in the uplifting state, the film slag and the overflowed water flow into the outer box body 14 together, the water enters the lower part of the filter plate 221 through the filter plate 221, the water level below the filter plate 221 rises to lift the filter plate 221, when the water level of the inner tank 11 is lowered, the outer tank 14 is not replenished with water overflowing from the inner tank 11, and the water pump 211 continuously pumps water, so that the liquid level in the outer box 14 is lowered, the filter plates 221 move downwards, and the dredging pieces 222 penetrate through the filter plates 221 after moving downwards to dredge the filter holes in the filter plates 221.

When the printing of all the workpieces of the batch is finished, if the water inlet angle and the water inlet position of a new workpiece need to be adjusted, loosening the second reinforcing member 38, rotating the fixed disc 37 to a proper angle, adjusting the water inlet angle, and then screwing the second reinforcing member 38; after the adjustment of the water inlet angle is finished, the electric track 31 is started, the electric track 31 drives the moving plate 32 to move, the position adjustment along the length direction of the water tank 1 is carried out, the two first reinforcing members 36 are loosened, the second screw rod 35 is held tightly so as not to rotate, the first screw rod 34 is rotated, and the first screw rod 34 drives the second screw rod 35 to move along the length direction of the first screw rod 34, so that the position adjustment along the width direction of the water tank 1 is carried out.

When a large amount of film slag is accumulated in the elastic cloth 443 after the equipment is used for a period of time, the clamping mechanism 4 needs to be detached for cleaning; when the clamping mechanism 4 is disassembled, the protruding part of the pressing member 431 above is pressed towards the inside of the telescopic member 42, the first elastic member 432 is extruded and contracted, the ring member 433 is embedded in the annular groove 434 and moves along the length direction of the annular groove 434 to drive the protruding part of the pressing member 431 below to synchronously move, the exposed part moves to the inside of the telescopic member 42, so that the pressing member 431 does not block the slot 435 any more, the telescopic member 42 is taken out, the hand pressing the pressing member 431 is released after being taken out, the first elastic member 432 recovers the original length, and the pressing member 431 is driven to reset; when the clamping mechanism 4 is installed, the operations are repeated, the telescopic piece 42 is placed in the groove 435, the hand pressing the pressing piece 431 is released after the telescopic piece 42 is placed in the groove 435, the first elastic piece 432 recovers the original length, the pressing piece 431 is driven to reset, and therefore the protruding portion of the pressing piece 431 below is clamped in the groove 435 again to fix the telescopic piece 42.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multi-station synchronous and accurate positioning water transfer printing device comprises a water tank (1), a water transfer printing device arranged above the water tank (1) and a film removing device (2) arranged on the water tank (1); the method is characterized in that: the water transfer printing device comprises a positioning mechanism (3) and a plurality of clamping mechanisms (4) arranged on the positioning mechanism (3); the positioning mechanism (3) comprises an electric track (31) arranged on one side wall of the water tank (1), a moving plate (32) arranged on the electric track (31), a shifting assembly (33) arranged on the moving plate (32), a first screw rod (34) rotatably sleeved in the moving plate (32), a second screw rod (35) sleeved outside the first screw rod (34), two first reinforcing members (36) respectively arranged at two ends of the second screw rod (35), a fixed disc (37) sleeved outside the second screw rod (35) and two second reinforcing members (38) respectively arranged at two ends of the fixed disc (37); the second screw rod (35) is meshed with the first screw rod (34); and the plurality of clamping mechanisms (4) are distributed on the fixed disc (37) at equal intervals along the circumferential direction of the fixed disc (37).

2. The multi-station synchronous accurate-positioning water transfer printing equipment according to claim 1, characterized in that: the clamping mechanism (4) comprises a clamp (41), a telescopic piece (42) for connecting the clamp (41) and the fixed disc (37), two groups of locking assemblies (43) respectively arranged in the left side wall and the right side wall of the telescopic piece (42), and an opening and closing assembly (44) arranged on the telescopic piece (42).

3. The multi-station synchronous accurate-positioning water transfer printing equipment according to claim 2, characterized in that: the locking assembly (43) comprises a pressing piece (431) embedded at the end part of the telescopic piece (42), a plurality of first elastic pieces (432) arranged on one side of the pressing piece (431) close to the center of the telescopic piece (42), a ring piece (433) sleeved outside the first elastic pieces (432), an annular groove (434) matched with the ring piece (433), and a groove (435) arranged on the fixed disc (37); two ends of the pressing piece (431) are provided with two convex parts with equal size; the slot (435) has two recesses adapted to the pressing member (431).

4. The multi-station synchronous accurate-positioning water transfer printing equipment according to claim 2, characterized in that: the opening and closing assembly (44) comprises a fixing ring (441) sleeved outside the telescopic piece (42), a plurality of first unfolding rods (442) movably connected to the fixing ring (441), a plurality of elastic cloths (443) arranged between every two first unfolding rods (442), a plurality of openings (444) arranged on the elastic cloths (443), and a second unfolding rod (445) connecting the first unfolding rods (442) and the telescopic piece (42); one end of the second unfolding rod (445) is movably connected to the telescopic piece (42), and the other end of the second unfolding rod is movably embedded in the first unfolding rod (442).

5. The multi-station synchronous accurate-positioning water transfer printing equipment according to claim 1, characterized in that: the water tank (1) comprises an inner tank body (11), a telescopic plate (13) arranged at the left end of the inner tank body (11) and an outer tank body (14) arranged outside the front side wall and the right side wall of the inner tank body (11); the upper bottom surface of the telescopic plate (13) is higher than the upper bottom surface of the inner box body (11), and the lower bottom surface of the telescopic plate (13) is higher than the lower bottom surface of the inner box body (11); the side wall of the outer box body (14) close to the inner box body (11) is lower than the side wall of the outer box body (14) far away from the inner box body (11).

6. The multi-station synchronous accurate-positioning water transfer printing equipment according to claim 5, characterized in that: the membrane removing device (2) comprises a water circulation mechanism (21), a vibration mechanism arranged in the inner box body (11) and a filtering mechanism (22) arranged in the outer box body (14); the oscillating mechanism comprises a cover disc (23) arranged at the bottom of the inner box body (11), a plurality of herringbone chutes (24) distributed in the side wall of the cover disc (23) at equal intervals along the circumferential direction of the cover disc (23), a volute disc (25) arranged on the cover disc (23) and a pressing mechanism (26) arranged on the side wall of the inner box body (11); the upper end surface and the lower end surface of the vortex disc (25) are inclined planes; the pressing mechanism (26) comprises a fixed strip (261), an elastic strip (262) which is as large as the fixed strip (261), and a plurality of second elastic pieces (263) which connect the elastic strip (262) and the fixed strip (261).

7. The multi-station synchronous accurate-positioning water transfer printing equipment according to claim 6, characterized in that: the filtering mechanism (22) comprises a filtering plate (221) and a plurality of dredging pieces (222) arranged below the filtering plate (221); the dredging piece (222) is opposite to the filter holes of the filter plate (221) in the vertical direction; the material density of the filter plate (221) is less than that of water.

8. The multi-station synchronous accurate-positioning water transfer printing equipment according to claim 6, characterized in that: the water circulation mechanism (21) comprises a water suction pump (211), water suction pipes (212) and water inlet pipes (213) which are arranged on two sides of the water suction pump (211); one end of the water pumping pipe (212) is communicated with the outer box body (14), and the other end of the water pumping pipe is communicated with a water pumping port of the water pumping pump (211); inlet tube (213) one end intercommunication suction pump (211) outlet, the other end intercommunication cover dish (23) just are located cover dish (23) middle part.

9. The multi-station synchronous accurate-positioning water transfer printing equipment according to claim 1, characterized in that: the toggle assembly (33) comprises a motor frame (331) arranged on the moving plate (32), a motor (332) arranged in the motor frame (331), a rotating disc (333) connected with a rotating rod of the motor (332), a toggle arm (334) arranged on the rotating disc (333), a toggle column (335) arranged on the toggle arm (334), a toggle disc (336) jointed with the rotating disc (333), and a plurality of arc-shaped grooves (337) and a plurality of toggle grooves (338) arranged on the toggle disc (336); the poking disc (336) is connected with the first screw rod (34); the number of the arc-shaped grooves (337) and the number of the toggle grooves (338) are the same as that of the clamping mechanisms (4); the shape of the arc-shaped groove (337) is matched with that of the rotary disc (333); the shape of the toggle groove (338) is matched with that of the toggle column (335).

10. The multi-station synchronous accurate-positioning water transfer printing equipment according to claim 5, characterized in that: the expansion plate (13) comprises an upper cover shell (131) connected with the inner box body (11), a lower cover shell (132) embedded in the upper cover shell (131), and a plurality of third elastic pieces (133) connecting the upper cover shell (131) and the lower cover shell (132); the upper bottom surface of the upper cover (131) is spaced apart from the upper bottom surface of the lower cover (132).