CN110978752A - Automatic silk screen printing equipment of self-adaptation silk screen printing curved surface - Google Patents
Automatic silk screen printing equipment of self-adaptation silk screen printing curved surface Download PDFInfo
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- CN110978752A CN110978752A CN201911407672.3A CN201911407672A CN110978752A CN 110978752 A CN110978752 A CN 110978752A CN 201911407672 A CN201911407672 A CN 201911407672A CN 110978752 A CN110978752 A CN 110978752A
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- 238000007650 screen-printing Methods 0.000 title claims abstract description 217
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000010408 sweeping Methods 0.000 claims abstract description 12
- 238000007639 printing Methods 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010345 tape casting Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 22
- 239000000976 ink Substances 0.000 description 34
- 239000000463 material Substances 0.000 description 10
- 241001417527 Pempheridae Species 0.000 description 5
- 238000007790 scraping Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000035943 smell Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000622 irritating effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 206010022998 Irritability Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002508 contact lithography Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0881—Machines for printing on polyhedral articles
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Abstract
The invention discloses automatic screen printing equipment for a self-adaptive screen printing curved surface, which comprises a rack, wherein a screen printing die for screen printing of an outward convex curved surface is arranged on the rack, a workbench for supporting a screen printing object and a first driving mechanism for driving the workbench to slide up and down are connected to the rack in a sliding manner, the workbench is positioned below the screen printing die, a sweeping brush is arranged above the screen printing die on the rack, and a second driving mechanism for driving the sweeping brush to scrape ink along the screen printing die, the screen printing die comprises a die carrier and a screen printing net, the die carrier is an elastic frame capable of being elastically bent and deformed, the elastic frame is connected with the rack through the middle part and is suspended on the rack, pull rope motors are arranged below the die carrier on the left side and the right side of the rack, the left pull rope motor and the right pull rope motor are respectively connected with the left end and the right end of the die carrier through ropes and can respectively pull down the left end and the right end of the die carrier so as to automatically, the screen printing production of small-batch and various screen printing objects is met.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to automatic silk-screen printing equipment for a self-adaptive silk-screen curved surface.
[ background of the invention ]
Some advertising panels have a convex curved surface structure, as shown in fig. 7, when printing advertising patterns and advertising characters, a silk-screen mold having a curved surface structure corresponding to the curved surface of the advertising panel needs to be manufactured, the silk-screen mold is usually made by splicing rigid plates (wood, steel or rigid plastic plates) into a mold frame having a fixed shape according to the shape and size of the curved surface of the advertising panel, and then a silk-screen net is fixedly connected to the arc-shaped bottom surface of the mold frame, and the shape of the silk-screen net is determined by the arc-shaped bottom surface of the section mold, so that the silk-screen net forms the curved surface corresponding to the advertising panel. During screen printing production, the curved surface of the billboard is placed upwards, a screen printing mold is placed on the curved surface of the billboard from the top, and screen printing is carried out by scraping ink on a screen printing net. Usually, a billboard corresponds to a set of silk-screen mould, and since the number of the same billboard is usually one or a few, the production cost is considered, and the production of the mould frame is usually carried out by adopting wood. Each billboard needs to customize a mold frame corresponding to the shape of the billboard, and the billboard has long manufacturing period and cannot be supplied quickly. The curved-surface type advertising board is usually manufactured in small batches and in various types, and the consumable material of the die frame is serious. In addition, because the manufacturing quantity of the advertising boards with the same curved surface is small, manual silk-screen printing is generally adopted, namely, a silk-screen mould is manually carried up to be placed on the corresponding advertising board, a silk-screen net is attached to the curved surface of the advertising board, the position of the silk-screen mould on the advertising board is adjusted, then ink is manually applied to the silk-screen mould, a sweeping brush is grabbed by hands to scrape the ink along the curved surface for silk-screen printing, and after the silk-screen printing is finished, the silk-screen mould is carried down from the advertising board. And the printing ink has volatility and irritability, and during production, printing ink volatility pungent smell is to the air, and the staff all need wear the gauze mask usually, and because the intensity of labour when silk screen printing work is great, the staff all needs breath widely often, and wear the gauze mask and also can not completely isolate and inhale these pungent smells, wear the gauze mask and also bring staff's discomfort when breathing vigorously.
The present invention has been made based on such a situation.
[ summary of the invention ]
The technical problem to be solved by the invention is to provide the automatic silk-screen printing equipment with the self-adaptive silk-screen curved surface, which is simple in structure, environment-friendly and safe, so that the cost of a silk-screen mould is reduced, the manufacturing time of the silk-screen mould is shortened, the printing of small-batch and various silk-screen objects is met, the consumable material of a mould frame is reduced, the labor intensity of workers is reduced, and manpower and material resources are saved.
In order to solve the technical problem, the invention provides automatic silk-screen printing equipment for a self-adaptive silk-screen curved surface, which is characterized in that: the screen printing machine comprises a rack, wherein a screen printing die for screen printing on a convex curved surface is arranged on the rack, a workbench for supporting a screen printing object and a first driving mechanism for driving the workbench to slide up and down are connected to the rack in a sliding manner, the workbench is positioned below the screen printing die, a sweeping brush is arranged above the screen printing die on the rack, a second driving mechanism for driving the sweeping brush to scrape ink along the screen printing die for screen printing is arranged on the rack, the screen printing die comprises a die carrier and a screen printing net fixed on the die carrier, the die carrier is an elastic frame capable of elastic bending deformation and is connected with the rack through the middle part and hung on the rack, a pull rope motor is arranged below the die carrier on the left side and the right side of the rack, the pull rope motor is connected with the left end and the right end of the die carrier through ropes respectively and can pull down the left end and the right end of the die carrier respectively, the first driving mechanism, the second driving mechanism and the pull rope motor are respectively and electrically connected with the control system.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: and a silk-screen groove for silk-screen printing is formed in the die frame, and the bottom of the silk-screen groove is sealed by the silk-screen net.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: the utility model discloses a screen printing machine, including die carrier, control system, control second actuating mechanism, die carrier, control system, control second actuating mechanism, sweep brush and move to the silk screen printing groove and along the pitch arc orbit removal of silk screen net, and press and carry out the knife coating printing ink on the silk screen printing net at the removal in-process.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: the second camera is also used for photographing and detecting the side shape of the silk screen printing object and the vertical distance between the second camera and the die carrier and feeding back the side shape and the vertical distance to the control system, the control system controls the first driving mechanism to drive the workbench to support the silk screen printing object to ascend and press at the bottom of the die carrier, and the stay cord motor is controlled to work to pull down the left end and the right end of the die carrier, so that the die carrier bends and deforms under the top pressing of the silk screen printing object and presses on the top curved surface of the silk screen printing object.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: be equipped with on the bottom at die carrier middle part with control system electric connection's first pressure sensor, first pressure sensor is used for detecting the pressure between die carrier and the silk screen printing thing and feeds back control system when first actuating mechanism drive silk screen printing thing rises, be equipped with on the bottom of the die carrier left and right sides with control system electric connection's second pressure sensor, second pressure sensor is used for detecting the pressure between the left and right sides of die carrier and the silk screen printing thing and feeds back control system when the stay cord motor pulls down the left and right ends of die carrier.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: the automatic printing machine further comprises an ink gun which is used for being connected with the ink supply device and injecting ink into the silk-screen mould, and a manipulator which is connected with the ink gun and controls the ink gun to move in or out of the position above the silk-screen mould is arranged on the rack.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: the silk screen printing net is detachably connected to the die carrier.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: first actuating mechanism includes first motor, hold-in range, action wheel and follows the driving wheel, the hold-in range is installed at the action wheel and is followed between the driving wheel, workstation and hold-in range fixed connection, thereby first motor is connected with the action wheel and drives the action wheel and rotate and drive the workstation removal through the hold-in range.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: the second actuating mechanism includes vertical slide rail and transverse slide rail, transverse slide rail sliding connection is on vertical slide rail, be equipped with on the vertical slide rail and be used for driving the vertical motor of transverse slide rail gliding about vertical slide rail, vertical motor passes through hold-in range and transverse slide rail connection or through lead screw and transverse slide rail threaded connection, brush sliding connection is on transverse slide rail, be equipped with on the transverse slide rail and be used for driving the horizontal motor of brush horizontal slip on transverse slide rail, horizontal motor passes through hold-in range and transverse slide rail connection or through lead screw and transverse slide rail threaded connection.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: the workbench is detachably connected with a positioning plate for positioning the silk-screen object.
As above automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: the screen printing device is characterized in that clamping grooves are formed in the outer sides of the front side wall, the rear side wall, the left side wall and the right side wall of the screen printing groove, clamping strips used for clamping the outer edge of the screen printing net in the clamping grooves are connected in the clamping grooves in a clamping mode, and the clamping strips on the front side and the rear side follow elastic deformation along with deformation of the die frame.
Compared with the prior art, the invention has the following advantages:
1. the die carrier is an elastic frame, the silk screen is of a soft thin film structure, and the silk screen is placed on the workbench and positioned right below the silk screen, so that the curved surface vertex of the silk screen is opposite to the middle part of the die carrier; the first driving mechanism drives the workbench to lift up with the silk-screen object, so that the vertex of the curved surface of the silk-screen object is pressed against the middle part of the bottom of the die carrier, and then the left and right ends of the die carrier are respectively pulled downwards through the work of the left and right pull rope motors, so that the die carrier can be bent and correspondingly pressed on the curved surface of the top of the silk-screen object by taking the middle part as a base point according to the shape of the curved surface of the top of the silk-screen object, the silk-screen mould can automatically adapt to the silk-screen printing of different curved surfaces, a silk-screen mould with corresponding radian is not required to be correspondingly manufactured according to a specific silk-screen object, the structure of the silk-screen mould is simplified. The silk screen printing net can be dismantled and connect on the die carrier only, and one set of die carrier can be applicable to the silk screen printing thing of multiple different silk screen printing picture and text and different shapes, satisfies the printing of the multiple type of silk screen printing thing of small batch volume, and the silk screen printing mould of the different silk screen printing thing of quick preparation is produced to the consumptive material of great reduction die carrier for when the silk screen printing of multiple type of silk screen printing thing of small batch volume is produced, the production supply of material that can be quick.
2. The screen printing machine has good applicability, can carry out a large amount of screen printing production on different screen printing objects, and carries out screen printing by driving the sweeper brush through the second driving mechanism to scrape and coat ink along the screen printing die, thereby realizing automatic screen printing on the screen printing objects with curved surface structures, avoiding the long-time close contact of workers with the ink, greatly reducing the labor intensity of the workers because the screen printing die is hung on the frame and driving the screen printing objects to lean against the screen printing die through the workbench, and further avoiding the phenomena that the workers suck pungent odor through large mouths when carrying the silk printing objects with force.
3. After the silk screen mould is pasted and pressed on the top curved surface of the silk screen printing object, the detection is carried out through the first camera and the second camera, the control system calculates the plane position of the silk screen printing groove projected from top to bottom and the arc track of the side projection of the silk screen printing net, the second driving mechanism is controlled to drive the sweeper brush to move into the silk screen printing groove and move along the arc track of the silk screen printing net, in addition, the sweeping ink is pressed on the silk screen printing net in the moving process, and the sweeper brush can adaptively adjust the scraping path. And the second camera is also used for photographing and detecting the side shape of the silk-screen object and the vertical distance between the silk-screen object and the die carrier and feeding back the side shape to the control system, the control system controls the first driving mechanism to drive the workbench to support the silk-screen object to ascend and press at the bottom of the die carrier, the pull rope motor is controlled to work to pull down the left end and the right end of the die carrier, so that the die carrier bends and deforms under the top press of the silk-screen object and presses on the top curved surface of the silk-screen object, and the ascending height of the workbench and the pulling-down work of the pull rope motor are automatically adjusted according to the silk-screen objects.
4. According to the automatic silk-screen printing device, the silk-screen printing object is positioned on the workbench, so that the automatic silk-screen printing device can automatically and adaptively adjust production according to different silk-screen printing objects, the shape of the silk-screen printing die is automatically adjusted according to the shape and the size of the silk-screen printing object, the silk-screen printing die is attached to and pressed on the silk-screen printing objects, printing ink is automatically injected into the silk-screen printing die, the sweeping and scraping of the printing ink are automatically controlled, the degree of automation is high, manpower and material resources are saved, and the production efficiency is high. Only need locate an inclosed space with this automatic silk screen printing equipment, the staff walks out of inclosed space and closes the door body after putting the silk screen printing thing, can carry out the silk screen printing production to avoid the staff to contact the irritative gas that printing ink volatilizees out in process of production, provided a healthy environmental protection's operational environment for the staff.
[ description of the drawings ]
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a perspective view of an automated screen printing apparatus for adaptive screen printing curved surfaces according to the present invention;
FIG. 2 is a front view of an automated screen printing apparatus for adaptive screen printing curved surfaces according to the present invention;
FIG. 3 is a rear view of the automatic silk-screen printing apparatus for a self-adaptive silk-screen curved surface according to the present invention in a state where a silk-screen mold is pressed against a silk-screen object;
FIG. 4 is a front view of an automatic silk-screen printing apparatus for a self-adaptive silk-screen curved surface according to the present invention, in a state where a silk-screen mold is pressed against a silk-screen object;
FIG. 5 is an exploded view of a silk-screen mold;
FIG. 6 is a front side view of a silk screen mold;
fig. 7 is a reference schematic diagram of a screen print.
[ detailed description ] embodiments
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 6, the automatic screen printing device for the self-adaptive screen printing curved surface comprises a frame 1, wherein a screen printing mold 2 for screen printing on an outward convex curved surface is arranged on the frame 1, a workbench 3 for supporting a screen printing object 10 is connected to the frame 1 in a sliding manner, and a first driving mechanism for driving the workbench 3 to slide up and down is arranged on the frame 1, the workbench 3 is positioned below the screen printing mold 2, a brush 4 is arranged on the frame 1 and positioned above the screen printing mold 2, a second driving mechanism for driving the brush 4 to scrape ink along the screen printing mold 2 for screen printing is arranged on the frame 1, the screen printing mold 2 comprises a mold frame 21 and a screen printing net 22 fixed on the mold frame 21, the mold frame 21 is an elastic frame capable of elastic bending deformation and is connected with the frame 1 through a middle portion and suspended on the frame 1, a pull rope motor 5 is arranged below the mold frame 1 on the left side and the right side, the left and right pull rope motor 5 is connected with the left and right ends of the die carrier 21 through the rope 6 respectively and can pull down the left and right ends of the die carrier 21 respectively, the pull rope mechanism further comprises a control system, and the first driving mechanism, the second driving mechanism and the pull rope motor 5 are electrically connected with the control system respectively.
Because the die carrier 21 is an elastic frame and the silk screen 22 is a layer of soft film structure, the silk screen 10 is placed on the workbench 3, the silk screen 10 is positioned under the silk screen 22, and the curved surface vertex of the silk screen 10 is opposite to the middle part of the die carrier 21; then, the workbench 3 is driven by the first driving mechanism to lift up the silk-screen object 10, so that the vertex of the curved surface of the silk-screen object 10 is pressed against the middle part of the bottom of the die carrier 21, and then the left and right ends of the die carrier 21 are respectively pulled downwards by the operation of the left and right pull rope motors 5, so that the die carrier 21 can respectively bend and correspondingly press the curved surface of the top of the silk-screen object 10 by taking the middle part as a base point according to the shape of the curved surface of the top of the silk-screen object 10, the silk-screen dies with different curved surfaces are automatically adapted to silk-screen printing, the silk-screen dies with corresponding radians do not need to be correspondingly manufactured according to the specific silk-screen objects 10, the structure of the silk-screen dies is simplified. Only need can dismantle the connection on die carrier 21 with silk screen printing net 22, one set of die carrier 21 can be applicable to the silk screen printing thing of multiple different silk screen printing picture and text and different shapes, satisfies the printing of the multiple type of silk screen printing thing of small batch volume, and the consumptive material of great reduction die carrier is quick the silk screen printing mould of producing the different silk screen printing things of silk screen printing for when the silk screen printing production of multiple type of silk screen printing thing of small batch volume, the production supply of material that can be quick.
In addition, because the suitability is good, can carry out a large amount of silk screen printing production to different silk screen printing things, carry out the silk screen printing through second actuating mechanism drive brush 4 along silk screen printing mould 2 knife coating printing ink, realized the automatic silk screen printing to the silk screen printing thing of curved surface structure, avoided the staff to contact printing ink closely for a long time, and because the silk screen printing mould hangs in the frame, and drive the silk screen printing thing through the workstation and lean on to the silk screen printing mould, thereby greatly reduced staff's intensity of labour, avoided the staff to inhale pungent smell by the macrostoma when carrying hard more.
The die carrier 21 is provided with a silk-screen groove 23 for silk-screen printing, and the silk-screen net 22 seals the bottom of the silk-screen groove 23.
The utility model discloses a screen printing machine, including frame 1, be located the die carrier 21 top in the frame and be equipped with the first camera 8 that can follow the position of down shooing detection silk screen printing groove 23, the front side or the rear side that lie in the die carrier 21 in the frame 1 are equipped with the second camera 9 that can shoot the side shape that detects the die carrier 21, first camera 8 and second camera 9 and control system electric connection and with the data feedback to control system who shoots. Because the screen printing net 22 is of a thin film structure and is attached to the bottom of the die carrier 21, the arc track projected on the side surface of the screen printing net 22 can be determined by detecting the side surface shape of the die carrier 21. After the silk screen mould pastes and presses on the top curved surface of silk screen printing thing, detect through first camera 8 and second camera 9, control system calculates the planar position of silk screen printing groove 23 from the top down projection and the projected pitch arc orbit of the side of silk screen printing net 22, and control second actuating mechanism drive brush 4 moves in silk screen printing groove 23 and moves along the pitch arc orbit of silk screen printing net 22, and presses on silk screen printing net 22 and scrape the china ink at the removal in-process.
The second camera 9 is further used for photographing and detecting the side shape of the silk-screen object 10 and the vertical distance between the silk-screen object and the die carrier 21 and feeding back the side shape and the vertical distance to the control system, the control system controls the first driving mechanism to drive the workbench 3 to support the silk-screen object 10 to ascend and press at the bottom of the die carrier 21, the pull rope motor 5 is controlled to work to pull down the left end and the right end of the die carrier 21, the die carrier 21 is enabled to bend and deform under the pushing of the silk-screen object 10 and is pressed on the top curved surface of the silk-screen object 10, and the ascending height of the workbench 3 and the pulling-down work of the pull rope motor 5 are automatically adjusted according to.
Be equipped with on the bottom at die carrier 21 middle part with control system electric connection's first pressure sensor 11, first pressure sensor 11 is used for detecting the pressure between die carrier 21 and the silk screen printing thing 10 and feeds back control system when first actuating mechanism drive silk screen printing thing 10 rises, be equipped with on the bottom of the die carrier 21 left and right sides with control system electric connection's second pressure sensor 13, second pressure sensor 13 is used for detecting the pressure between the left and right sides of die carrier 21 and the silk screen printing thing 10 and feeds back control system when stay cord motor 5 pulls down die carrier 21's left and right sides both ends.
When the first driving mechanism drives the workbench 3 to support the silk screen object 10 to rise, and when the first pressure sensor 11 detects that the pressure between the die carrier 21 and the silk screen object 10 exceeds a set value, the control system controls the first driving mechanism to stop working; when the left pull rope motor 5 and the right pull rope motor 5 work to respectively pull down the left end and the right end of the die carrier 21, when the second pressure sensor 13 on the left side detects that the pressure between the left half part of the die carrier 21 and the silk screen printing object 10 exceeds a set value, the control system controls the pull rope motor 5 on the left side to stop working; when the second pressure sensor 13 on the right detects that the pressure between the right half part of the die carrier 21 and the silk screen printing object 10 exceeds a set value, the control system controls the pull rope motor 5 on the right to stop working. Avoid the excessive pressure, cause the damage of equipment and silk screen printing thing.
The automatic printing machine is characterized by further comprising an ink gun 13 which is used for being connected with an ink supply device and injecting ink into the screen printing mould 2, a manipulator 14 which is connected with the ink gun 13 and controls the ink gun 13 to move in or out of the position above the screen printing mould 2 is arranged on the rack 1, and the manipulator 14 is electrically connected with a control system.
First actuating mechanism includes first motor 61, hold-in range 62, action wheel 63 and follows the driving wheel 64, hold-in range 62 is installed at action wheel 63 and is followed between the driving wheel 64, workstation 3 and hold-in range 62 fixed connection, thereby first motor 61 is connected with action wheel 63 and drives action wheel 63 and rotate and drive the workstation 3 removal through hold-in range 62, simple structure, and the transmission is steady.
The second driving mechanism comprises a longitudinal slide rail 71 and a transverse slide rail 73, the transverse slide rail 73 is connected to the longitudinal slide rail 71 in a sliding manner, a longitudinal motor 72 used for driving the transverse slide rail 73 to slide up and down on the longitudinal slide rail 71 is arranged on the longitudinal slide rail 71, the longitudinal motor 72 is connected with the transverse slide rail 73 through a synchronous belt or is in threaded connection with the transverse slide rail 73 through a screw rod, the sweeping brush 4 is connected to the transverse slide rail 73 in a sliding manner, the transverse motor 74 used for driving the sweeping brush 4 to slide left and right on the transverse slide rail 73 is arranged on the transverse slide rail 73, the transverse motor 74 is connected with the transverse slide rail 73 through the synchronous belt or is in threaded connection with the transverse slide rail 73 through the screw rod, the.
The workbench 3 is detachably connected with a positioning plate 31 for positioning the silk-screen object 10, so that different positioning plates can be conveniently installed according to different silk-screen objects, and the silk-screen object can be accurately positioned.
The die carrier 21 is of an arc-shaped structure so as to be attached to the curved surface of the silk-screen object through moderate deformation, and the die carrier 21 is made of a rubber material and has good elastic deformation performance.
Clamping grooves 24 are formed in the outer sides of the front side wall, the rear side wall, the left side wall and the right side wall of the screen printing groove 23, clamping strips 25 used for clamping the outer edge of the screen printing net 22 in the clamping grooves 24 are connected in a clamping mode in the clamping grooves 24 in a clamping mode, and the clamping strips 25 on the front side and the rear side follow elastic deformation along with deformation of the die frame 21. Of course, the screen printing net 22 can also be fixed on the mold frame 21 by gluing, and when the screen printing net is detached, the solid glue is heated and melted by electric blowing, and then the screen printing net 22 is torn off.
A silk-screen method of the self-adaptive silk-screen curved surface by applying the automatic silk-screen equipment comprises the following steps:
A. placing the silk-screen object 10 with the convex curved surface on the workbench 3, and enabling the convex curved surface of the silk-screen object 10 to face upwards;
B. positioning the silk-screen object 10 under the silk-screen net 22, and enabling the curved surface vertex of the silk-screen object 10 to be opposite to the middle part of the mould frame 21;
C. the side shapes of the current die carrier 21 and the silk screen printing object 10 are photographed and detected by the second camera 9, and the up-down distance between the silk-screen object 10 and the die carrier 21, and feeds back the distance to the control system, the control system calculates the distance that the current silk-screen object 10 needs to be raised according to the shape and size of the current silk-screen object 10 and the up-down position relation between the silk-screen object 10 and the die carrier 21, and according to the detected curvature radius of the top curved surface of the silk-screen object 10 and the curvature radius of the die carrier 21, when the curvature radius of the top surface of the silk-screen object 10 is smaller than that of the die carrier 21, the workbench 3 is driven by the first driving mechanism to lift the silk-screen object 10 to jack the silk-screen object at the bottom of the die carrier 21, and then the left and right pull rope motors 5 are controlled to work to respectively pull down the left and right ends of the die carrier 21, so that the die carrier 21 respectively bends and correspondingly presses the left and right halves of the curved surface of the top of the silk-screen object 10 with the middle part as a base point; when the curvature radius of the top surface of the silk-screen object 10 is larger than that of the die carrier 21, controlling the pull rope motor 5 to reversely work to release the rope 6, driving the workbench 3 to support the silk-screen object 10 to ascend and be jacked at the bottom of the die carrier 21 through the first driving mechanism, and then respectively tensioning the left end and the right end of the die carrier 21 downwards through the work of the left pull rope motor 5 and the right pull rope motor 5 to enable the die carrier 21 to be tightly pressed on the top curved surface of the silk-screen object 10;
D. the control system controls the ink gun 13 to move into the position above the silk-screen mould 2 through the manipulator 14, and injects ink into the silk-screen groove 23, and then the manipulator 14 controls the ink gun 13 to move out of the position above the silk-screen mould 2; in addition, the position of the silk-screen groove 23 is shot and detected from top to bottom through the first camera 8, the shape of the die carrier 21 pressed on the silk-screen object 10 is detected from the side through the second camera 9 and fed back to the control system, the control system calculates the plane position of the silk-screen groove 23 projected from top to bottom and the arc track of the side projection of the silk-screen net 22, the second driving mechanism is controlled to drive the sweeper 4 to move into the silk-screen groove 23 and move along the arc track of the silk-screen net 22, and scraping ink is pressed on the silk-screen net 22 in the moving process to conduct silk-screen printing on the top curved surface of the silk-screen object 10;
E. after the silk screen printing is finished, the sweeper 4 moves out of the silk screen printing groove 23, the rope pulling motor 5 releases the rope 6 to enable the left half part and the right half part of the die carrier 21 to release the compression of the silk screen printing object 10, the workbench 3 supports the silk screen printing object 10 to descend to be separated from the die carrier 21, and the silk screen printing object 10 is taken out.
In the step C, when the first driving mechanism drives the workbench 3 to support the silk-screen object 10 to ascend, and the first pressure sensor 11 detects that the pressure between the die carrier 21 and the silk-screen object 10 exceeds a set value, the control system controls the first driving mechanism to stop working; when the left pull rope motor 5 and the right pull rope motor 5 work to respectively pull down the left end and the right end of the die carrier 21, when the second pressure sensor 13 on the left side detects that the pressure between the left half part of the die carrier 21 and the silk screen printing object 10 exceeds a set value, the control system controls the pull rope motor 5 on the left side to stop working; when the second pressure sensor 13 on the right detects that the pressure between the right half part of the die carrier 21 and the silk screen printing object 10 exceeds a set value, the control system controls the pull rope motor 5 on the right to stop working.
Therefore, only the silk-screen object 10 needs to be positioned on the workbench, automatic self-adaptive adjustment production can be carried out according to different silk-screen objects through the automatic silk-screen printing equipment, the shape of the silk-screen mould is automatically adjusted according to the shape and the size of the silk-screen object, the silk-screen mould is pressed on the silk-screen object, ink is automatically injected on the silk-screen mould, the sweeping and scraping of the ink are automatically controlled, the degree of automation is high, manpower and material resources are saved, and the production efficiency is high. Only need locate an inclosed space with this automatic silk screen printing equipment, the staff walks out of inclosed space and closes the door body after putting the silk screen printing thing, can carry out the silk screen printing production to avoid the staff to contact the irritative gas that printing ink volatilizees out in process of production, provided a healthy environmental protection's operational environment for the staff.
Claims (10)
1. The utility model provides an automatic silk screen printing equipment of self-adaptation silk screen printing curved surface which characterized in that: including frame (1), be equipped with on frame (1) and be used for carrying out silk screen printing's silk screen printing mould (2) to the curved surface of evagination, sliding connection has workstation (3) that are used for supporting silk screen printing thing (10) on frame (1) to and drive workstation (3) gliding first actuating mechanism from top to bottom, workstation (3) are located silk screen printing mould (2) below, the top that lies in silk screen printing mould (2) on frame (1) is equipped with brush (4), be equipped with on frame (1) and be used for driving brush (4) and carry out the second actuating mechanism of silk screen printing along silk screen printing mould (2) knife coating printing ink, silk screen printing mould (2) include die carrier (21) and fix silk screen (22) on die carrier (21), die carrier (21) are the elastic frame that can elastic bending warp, and it is connected with frame (1) and suspends in midair on frame (1) through the middle part, the die carrier is characterized in that a pull rope motor (5) is arranged below the die carrier (21) on the left side and the right side of the frame (1), the pull rope motor (5) is connected with the left end and the right end of the die carrier (21) through ropes (6) respectively and can pull down the left end and the right end of the die carrier (21) respectively, the die carrier further comprises a control system, and the first driving mechanism, the second driving mechanism and the pull rope motor (5) are electrically connected with the control system respectively.
2. The automatic silk-screen printing equipment for the self-adaptive silk-screen curved surface according to claim 1, wherein: the screen printing device is characterized in that a screen printing groove (23) for screen printing is formed in the die carrier (21), and the bottom of the screen printing groove (23) is sealed by the screen printing net (22).
3. The automatic silk-screen printing equipment for the self-adaptive silk-screen curved surface according to claim 2, wherein: lie in die carrier (21) top in frame (1) and be equipped with first camera (8) that can follow the position of down shooing detection silk screen printing groove (23), the front side or the rear side that lie in die carrier (21) on frame (1) are equipped with second camera (9) that can shoot the side shape that detects die carrier (21), first camera (8) and second camera (9) and control system electric connection and the data feedback that will shoot to control system, control system calculates silk screen printing groove (23) from the last plane position that down projects and the projected pitch arc orbit of the side of silk screen printing net (22), and control second actuating mechanism drive brush (4) move to in silk screen printing groove (23) and move along the pitch arc orbit of silk screen printing net (22), and press on silk screen printing net (22) at the removal in-process and scrape the oiling ink.
4. The automatic silk-screen printing equipment for the self-adaptive silk-screen curved surface according to claim 3, wherein: the second camera (9) is also used for photographing and detecting the side shape of the silk-screen object (10) and the vertical distance between the silk-screen object and the die carrier (21) and feeding back the side shape to the control system, the control system controls the first driving mechanism to drive the workbench (3) to support the silk-screen object (10) to ascend and press the bottom of the die carrier (21), and controls the stay cord motor (5) to work to pull down the left end and the right end of the die carrier (21) so that the die carrier (21) bends and deforms under the pressing of the silk-screen object (10) and presses the top curved surface of the silk-screen object (10).
5. The automatic silk-screen printing equipment for the self-adaptive silk-screen curved surface according to claim 3, wherein: be equipped with on the bottom at die carrier (21) middle part with control system electric connection's first pressure sensor (11), first pressure sensor (11) are used for detecting the pressure between die carrier (21) and silk screen printing thing (10) and feed back control system when first actuating mechanism drive silk screen printing thing (10) rise, be equipped with on the bottom of die carrier (21) the left and right sides with control system electric connection's second pressure sensor (13), second pressure sensor (13) are used for detecting the pressure between the left and right sides of die carrier (21) and silk screen printing thing (10) and feed back control system when stay cord motor (5) pull down die carrier (21) the left and right sides.
6. The automatic silk-screen printing equipment for the self-adaptive silk-screen curved surface according to claim 1, wherein: the automatic printing machine is characterized by further comprising an ink gun (13) which is used for being connected with an ink supply device and injecting ink into the screen printing mould (2), wherein a mechanical arm (14) which is connected with the ink gun (13) and controls the ink gun (13) to move in or out of the position above the screen printing mould (2) is arranged on the rack (1).
7. The automatic silk-screen printing equipment for the self-adaptive silk-screen curved surface according to claim 2, wherein: the silk screen (22) is detachably connected to the die frame (21).
8. The automatic silk-screen printing equipment for the self-adaptive silk-screen curved surface according to claim 1, wherein: first actuating mechanism includes first motor (61), hold-in range (62), action wheel (63) and follows driving wheel (64), hold-in range (62) are installed at action wheel (63) and are followed between driving wheel (64), workstation (3) and hold-in range (62) fixed connection, thereby first motor (61) are connected with action wheel (63) and drive action wheel (63) and rotate and drive workstation (3) through hold-in range (62) and remove.
9. The automatic silk-screen printing equipment for the self-adaptive silk-screen curved surface according to claim 1, wherein: the second driving mechanism comprises a longitudinal slide rail (71) and a transverse slide rail (73), the transverse slide rail (73) is connected to the longitudinal slide rail (71) in a sliding mode, a longitudinal motor (72) used for driving the transverse slide rail (73) to slide up and down on the longitudinal slide rail (71) is arranged on the longitudinal slide rail (71), the longitudinal motor (72) is connected with the transverse slide rail (73) through a synchronous belt or connected with the transverse slide rail (73) through a screw rod in a threaded mode, the sweeping brush (4) is connected to the transverse slide rail (73) in a sliding mode, a transverse motor (74) used for driving the sweeping brush (4) to slide left and right on the transverse slide rail (73) is arranged on the transverse slide rail (73), and the transverse motor (74) is connected with the transverse slide rail (73) through the synchronous belt or connected with the transverse slide rail (73) through.
10. The automatic silk-screen printing equipment for the self-adaptive silk-screen curved surface according to claim 1, wherein: the workbench (3) is detachably connected with a positioning plate (31) used for positioning the silk-screen object (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407672.3A CN110978752A (en) | 2019-12-31 | 2019-12-31 | Automatic silk screen printing equipment of self-adaptation silk screen printing curved surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911407672.3A CN110978752A (en) | 2019-12-31 | 2019-12-31 | Automatic silk screen printing equipment of self-adaptation silk screen printing curved surface |
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| CN110978752A true CN110978752A (en) | 2020-04-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546757A (en) * | 2020-05-22 | 2020-08-18 | 林翠华 | Semi-automatic device based on safety helmet silk screen printing |
| CN113978111A (en) * | 2021-10-15 | 2022-01-28 | 河南博雅彩印有限公司 | Printing device and using method thereof |
| CN114486939A (en) * | 2022-04-08 | 2022-05-13 | 欧普康视科技股份有限公司 | Lens scratch detection system and method |
-
2019
- 2019-12-31 CN CN201911407672.3A patent/CN110978752A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546757A (en) * | 2020-05-22 | 2020-08-18 | 林翠华 | Semi-automatic device based on safety helmet silk screen printing |
| CN113978111A (en) * | 2021-10-15 | 2022-01-28 | 河南博雅彩印有限公司 | Printing device and using method thereof |
| CN113978111B (en) * | 2021-10-15 | 2023-02-24 | 河南博雅彩印有限公司 | Printing device and using method thereof |
| CN114486939A (en) * | 2022-04-08 | 2022-05-13 | 欧普康视科技股份有限公司 | Lens scratch detection system and method |
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