CN114454604B - Screen printing machine with automatic positioning system for movable screen plate - Google Patents
Screen printing machine with automatic positioning system for movable screen plate Download PDFInfo
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- CN114454604B CN114454604B CN202210124558.5A CN202210124558A CN114454604B CN 114454604 B CN114454604 B CN 114454604B CN 202210124558 A CN202210124558 A CN 202210124558A CN 114454604 B CN114454604 B CN 114454604B
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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
- B41F15/12—Machines with auxiliary equipment, e.g. for drying printed articles
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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
- B41F15/0831—Machines for printing webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/10—Screen printing machines characterised by their constructional features
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
Abstract
The invention discloses a screen printing machine with an automatic movable screen positioning system, which comprises a printing machine table, wherein a printing mechanism is arranged on the printing machine table and is used for a movable screen positioning table for fixing a movable screen, a driving mechanism is arranged in the movable screen positioning table, the movable screen is placed in a positioning frame under the driving action of the driving mechanism, and a motor rotates forwards to drive a fan-shaped connecting valve I and a fan-shaped connecting valve II to pull a transverse guide block I and a transverse guide block II on two sides to move in opposite directions through a connecting rod I and a connecting rod II so as to realize the locking and fixing of the movable screen in the positioning frame.
Description
Technical Field
The invention relates to the technical field of screen printing machines, in particular to a screen printing machine with an automatic positioning system of a movable screen plate.
Background
With the development of screen printing technology, especially the process characteristics of screen printing, the screen printing technology is widely applied to touch panel glass, light guide plates, liquid crystal panels and circuit boards for printing.
At present, all printing machines fix a screen printing plate on a screen frame of the printing machine, a color is printed in advance during multicolor printing, and the rest colors are adjusted by an adjusting knob connected with the screen frame according to a printed first color position, so that the unprinted screen plate is finely adjusted to move and is aligned with the first color printed on a printing stock, and then multicolor automatic printing can be carried out, thereby not only wasting time and reducing the working efficiency, but also influencing the utilization rate of the printing machine.
In addition, when the textile is printed, the machine printing effect is good, defective printing products inevitably occur, and when the defective products and waste products occur, customers need to perform additional printing. However, the cut pieces of the textile have various sizes, colors and patterns in one batch. The number of defective pattern cut pieces is small for each size, and sometimes only a few patterns are formed. When dozens of patches are printed on the printing machine, the screen printing plate needs to be frequently changed, and each time the screen printing plate is changed, the plate adjustment and the plate alignment delay much time, and time and labor are wasted.
Disclosure of Invention
The invention aims to provide a screen printing machine with an automatic positioning system of a movable screen plate.
The purpose of the invention can be realized by the following technical scheme:
a screen printer with an automatic positioning system for a movable screen plate comprises a printing machine table, wherein a printing mechanism is arranged on the printing machine table and is used for a movable screen plate positioning table for fixing the movable screen plate;
and a driving mechanism is arranged in the movable screen positioning table and can synchronously act on the plurality of L-shaped locking blocks to fold or expand, so that the movable screens with different sizes are held and positioned.
As a further scheme of the invention: the movable screen plate positioning table comprises a positioning frame, the driving mechanism is arranged in the center of the inside of the positioning frame, and hollow guide blocks are arranged in the positioning frame and on two sides of the driving mechanism.
As a further scheme of the invention: the hollow guide block is internally provided with a hollow area, the side surfaces of the periphery of the hollow guide block are provided with bar-shaped grooves, and the bar-shaped grooves are communicated with the hollow area in the hollow guide block.
As a further scheme of the invention: the output end of the driving mechanism is symmetrically provided with a first sector connecting petal and a second sector connecting petal;
the fan-shaped connecting flap I is hinged with one end of the connecting rod I, and the other end of the connecting rod I is hinged with the middle position of the transverse guide block I;
the fan-shaped connecting flap II is hinged with one end of the connecting rod II, and the other end of the connecting rod II is hinged with the middle position of the transverse guide block II.
As a further scheme of the invention: the structure of the first transverse guide block is completely consistent with that of the second transverse guide block;
a bar-shaped cavity is formed in the first transverse guide block, the two ends of the inside of the bar-shaped cavity are respectively connected with a transmission column in a sliding mode, the transmission column is located at one end, outside the bar-shaped cavity, of a positioning block fixedly connected with the transmission column, and the positioning block is connected in a bar-shaped groove of the hollow guide block in a sliding mode.
As a further scheme of the invention: and the top of the positioning block inside the hollow guide block is fixedly provided with an L-shaped locking block through a connecting column.
As a further scheme of the invention: two ends of the hollow guide block are connected to the side walls at two longitudinal sides in the positioning frame in a sliding manner;
and the two sides of the outside of the positioning frame are provided with transverse positioning mechanisms for pushing the hollow guide block to move.
As a further scheme of the invention: the transverse positioning mechanism comprises side plates arranged at two ends of the side face of the positioning frame, a transmission screw rod is arranged between the side plates at the two ends, a first bevel gear is arranged at the two ends of the transmission screw rod and is meshed with a second bevel gear, the second bevel gear is fixedly connected with one end of a telescopic rod piece, and the other end of the telescopic rod piece is fixedly connected with the side face of the hollow guide block.
As a further scheme of the invention: the telescopic rod piece comprises a first telescopic rod and a second telescopic rod, and the second telescopic rod is in threaded connection with the first telescopic rod.
As a further scheme of the invention: the first telescopic rod penetrates through the side wall of the positioning frame, and a rotating bearing acting on the first telescopic rod is arranged on the positioning frame.
The invention has the beneficial effects that:
(1) According to the invention, the driving mechanism is arranged in the movable screen plate positioning table, the movable screen plate is placed in the positioning frame under the driving action of the driving mechanism, and the motor rotates in the forward direction to drive the fan-shaped connecting flap I and the fan-shaped connecting flap II to pull the transverse guide blocks I and II on two sides to move in opposite directions through the connecting rod I and the connecting rod II, so that the movable screen plate is locked and fixed in the positioning frame, namely the movable screen plate can synchronously act on a plurality of L-shaped locking blocks to fold or expand, and the movable screen plates with different sizes are clasped and positioned, so that the practicability is strong;
(2) According to the invention, the transverse positioning mechanisms are arranged on the two sides of the positioning frame, the rotating wheels on the two sides are synchronously rotated to drive the transmission screw rod to rotate, so that the transmission screw rod drives the bevel gear I to be meshed with the bevel gear II for transmission, thereby realizing the extension of the telescopic rod pieces, and realizing the pushing of the hollow guide block.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a first schematic structural view of a movable otter board positioning table according to the present invention;
FIG. 2 is a schematic structural view of a movable otter board positioning table of the invention;
FIG. 3 is a schematic structural view of the telescopic rod of the present invention;
FIG. 4 is a schematic structural view of the hollow guide block of the present invention;
FIG. 5 is a schematic structural diagram of a first transverse guide block of the present invention;
FIG. 6 is a schematic view of a printing apparatus according to the present invention.
In the figure: 1. a printing machine table; 101. a printing unwinding mechanism; 102. a printing and winding mechanism; 103. a printing and drying mechanism; 104. a printing mechanism;
2. a movable screen plate positioning table; 201. a positioning frame; 202. a hollow guide block; 2021. a strip-shaped groove; 203. a first sector connecting flap; 204. a first connecting rod; 205. a first transverse guide block; 2051. a strip-shaped cavity; 206. a second sector connecting flap; 207. a second connecting rod; 208. a second transverse guide block; 209. a drive post; 2091. a slider; 210. positioning blocks; 211. an L-shaped locking block;
3. a transverse positioning mechanism; 301. a transmission screw rod; 302. a side plate; 303. a rotating wheel; 304. a first bevel gear; 305. a second bevel gear; 306. a telescopic rod member; 3061. a first telescopic rod; 3062. and a second telescopic rod.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 6, the screen printing machine with an automatic positioning system for a movable screen plate of the present invention includes a printing machine table 1, which is sequentially provided with a printing unwinding mechanism 101, a printing mechanism 104, a printing drying mechanism 103, and a printing winding mechanism 102 along a moving direction of a printing process;
the printing unwinding mechanism 101 and the printing winding mechanism 102 are respectively arranged at two ends of the printing machine table 1, the printing unwinding mechanism 101 realizes unwinding of a to-be-printed coiled material, and the printing winding mechanism 102 realizes winding of the coiled material after printing is completed;
the printing unwinding mechanism 101 and the printing winding mechanism 102 may be configured in the same manner or in different manners;
the printing and drying mechanism 103 is used for drying the printed coiled material, wherein the heat source can be a hot air source or a heating pipe for drying, and positioning of the printed coiled material is completed;
the printing mechanism 104 prints the printing roll, and the printing mechanism 104 includes a movable screen positioning table 2 therein, and the movable screen positioning table 2 is used for holding and fixing the movable screen.
Referring to fig. 1-2, the movable otter board positioning table 2 includes a positioning frame 201, the positioning frame 201 is a quadrilateral frame structure, a driving mechanism is fixed at the center position inside the positioning frame 201, a first sector connecting flap 203 and a second sector connecting flap 206 are symmetrically arranged at the output end of the driving mechanism, and the first sector connecting flap 203 and the second sector connecting flap 206 are in a 8-shaped structure;
the fan-shaped connecting flap I203 is hinged with one end of a connecting rod I204, the other end of the connecting rod I204 is hinged with a transverse guide block I205, and the hinged point of the connecting rod I204 and the transverse guide block I205 is positioned in the middle of the transverse guide block I205;
the second fan-shaped connecting flap 206 is hinged with one end of the second connecting rod 207, the other end of the second connecting rod 207 is hinged with a second transverse guide block 208, and the hinged point of the second connecting rod 207 and the second transverse guide block 208 is located in the middle of the second transverse guide block 208;
referring to fig. 5, the structures of the first transverse guide block 205 and the second transverse guide block 208 are completely the same, the two ends of the first transverse guide block 205 and the second transverse guide block 208 are both connected with transmission columns 209 in a sliding manner, and the ends of the transmission columns 209 at the two ends are fixedly connected with positioning blocks 210;
specifically, the inside of the first transverse guide block 205 is of a hollow structure and is provided with a strip-shaped cavity 2051, two ends of the first transverse guide block 205 are provided with folded edges which are folded inwards, the folded edges on the periphery form a rectangular opening through which the transmission column 209 passes, one end, located inside the first transverse guide block 205, of the transmission column 209 is provided with a sliding block 2091, and the sliding block 2091 is embedded into the strip-shaped cavity 2051 of the first transverse guide block 205 in a sliding mode.
Referring to fig. 1, 2, and 4, hollow guide blocks 202 are symmetrically disposed inside the positioning frame 201 and on two sides of the driving mechanism, the hollow guide blocks 202 on the two sides are symmetrical with respect to a center line of the positioning frame 201, two ends of the hollow guide block 202 are disposed on inner walls of two longitudinal sides inside the positioning frame 201, and an inner cavity of the hollow guide block 202 has a size matched with that of the positioning block 210, so that the positioning block 210 can slide in the cavity of the hollow guide block 202;
the side surfaces of the periphery of the hollow guide block 202 are provided with strip-shaped grooves 2021, the four strip-shaped grooves 2021 are communicated with the cavity inside the hollow guide block 202, and the transmission columns 209 at the two ends of the transverse guide block I205 and the transverse guide block II 208 penetrate through the strip-shaped grooves 2021 on the inner side of the hollow guide block 202 and are fixedly connected with the positioning block 210;
an L-shaped locking block 211 is fixedly arranged on the top surface of the positioning block 210 through a connecting column, and the connecting column penetrates through a strip-shaped groove 2021 at the top of the hollow guide block 202;
the height of the L-shaped locking block 211 can be adjusted along with the height of the connecting column;
wherein, the driving mechanism can be a motor.
Referring to fig. 1, 2 and 3, two sides of the movable otter board positioning table 2 are provided with transverse positioning mechanisms 3, and the transverse positioning mechanisms 3 on the two sides respectively act on the hollow guide blocks 202 on two sides inside the positioning frame 201 to realize transverse movement of the hollow guide blocks 202 in the positioning frame 201;
sliding grooves are formed in the side walls of the two longitudinal sides in the positioning frame 201 along the horizontal direction, sliding blocks matched with the sliding grooves are arranged at the two ends of the hollow guide block 202, and the hollow guide block 202 is connected in the sliding grooves of the positioning frame 201 in a sliding mode through the sliding blocks on the two sides;
specifically, the transverse positioning mechanism 3 comprises side plates 302 arranged at two ends of the outer side of the positioning frame 201, a transmission screw 301 is arranged between the side plates 302 at the two ends, and bevel gears I304 are arranged at two ends of the transmission screw 301;
the bevel gears I304 at the two ends of the transmission screw rod 301 are respectively connected with a bevel gear II 305 in a meshing manner, the bevel gear II 305 is fixedly connected with one end of a telescopic rod member 306, and the other end of the telescopic rod member 306 is fixedly connected with the hollow guide block 202;
referring to fig. 3, the telescopic rod 306 comprises a first telescopic rod 3061 and a second telescopic rod 3062, an external thread is arranged on the outer circumferential surface of the first telescopic rod 3061, a cylindrical cavity is arranged inside the second telescopic rod 3062, an external thread is arranged on the inner wall of the cylindrical cavity, the second telescopic rod 3062 is arranged on the first telescopic rod 3061 through threaded connection, and one end of the first telescopic rod 3061, which is far away from the second telescopic rod 3062, penetrates through the side wall of the positioning frame 201 and is fixedly connected with the second bevel gear 305;
a through hole in the side wall of the positioning frame 201 through which the first expansion link 3061 passes is internally provided with a rotating bearing for erecting the first expansion link 3061;
wherein, the first expansion link 3061 in the expansion link 306 of locating frame 201 both sides revolves to the opposite direction.
Referring to fig. 1, 2, and 6, rectangular notches for the printing roll to pass through are formed on both sides of the positioning frame 201, and the rectangular notches are located above the transverse positioning mechanism 3 and above the hollow guide block 202 on the positioning frame 201.
When the movable net plate is fixed:
firstly, adjusting the distance between two hollow guide blocks 202 in a positioning frame 201 according to the length of a movable screen plate, so that two L-shaped locking blocks 211 on the same side of the two hollow guide blocks 202 are matched with the length of the movable screen plate;
secondly, according to the width of the movable screen plate, the motor rotates reversely, so that the output shaft of the motor drives the fan-shaped connecting petals I203 and the fan-shaped connecting petals II 206 on two sides to rotate, the fan-shaped connecting petals I203 and the fan-shaped connecting petals II 206 respectively act on the transverse guide blocks I205 and the transverse guide blocks II 208, the transverse guide blocks I205 and the transverse guide blocks II 208 move reversely on the hollow guide block 202, and after the longitudinal positions of the transverse guide blocks I205 and the transverse guide blocks II 208 are adjusted, the positions of the four L-shaped locking blocks 211 are determined;
thirdly, the movable screen plate is placed in the positioning frame 201, four corners of the movable screen plate are matched with the four L-shaped locking blocks 211, and the motor drives the first fan-shaped connecting valve 203 and the second fan-shaped connecting valve 206 to pull the first transverse guide block 205 and the second transverse guide block 208 on two sides to move oppositely through the first connecting rod 204 and the second connecting rod 207 through forward rotation of the motor, so that the movable screen plate is locked and fixed in the positioning frame 201;
the rotating wheels 303 on the two sides are synchronously rotated, so that the rotating wheels 303 drive the transmission screw rod 301 to rotate, and the transmission screw rod 301 drives the first bevel gear 304 to be meshed with the second bevel gear 305 for transmission, so that the telescopic rod 306 is stretched, and the hollow guide block 202 is pushed;
specifically, when the two telescopic rod members 306 on one side of the positioning frame 201 are contracted, the two telescopic rod members 306 on the other side of the positioning frame 201 are extended, so that the position of the whole movable mesh plate in the positioning frame 201 is adjusted;
namely, when the rotating wheels 303 on the two sides are rotated oppositely, the telescopic rod members 306 on the two sides in the positioning frame 201 extend oppositely;
namely, when the rotating wheels 303 on both sides are rotated reversely, the telescopic rod members 306 on both sides inside the positioning frame 201 are compressed reversely;
that is, when the rotating wheels 303 on both sides are rotated in the same direction, the telescopic rod 306 on one side inside the positioning frame 201 is compressed, and the telescopic rod 306 on the other side is extended.
Example 2
The present embodiment is substantially the same as embodiment 1, except that the transverse positioning mechanism 3 is disposed on only one side of the positioning frame 201, and an elastic buffer mechanism, which may be a spring, may be disposed on the other side of the positioning frame 201, so as to position the hollow guide block 202.
Example 3
The present embodiment is substantially the same as embodiment 1, except that the transverse positioning mechanism 3 is disposed on only one side of the positioning frame 201, and a telescopic mechanism, which may be a mechanical telescopic arm, may be disposed on the other side of the positioning frame 201, so as to position the hollow guide block 202.
Although one embodiment of the present invention has been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (3)
1. A screen printer with an automatic positioning system for a movable screen comprises a printer table (1), wherein a printing mechanism (104) is arranged on the printer table (1), and is characterized in that the printing mechanism (104) is used for fixing a movable screen positioning table (2) for the movable screen;
a driving mechanism is arranged in the movable screen positioning table (2), and can synchronously act on a plurality of L-shaped locking blocks (211) to fold or expand so as to clamp and position the movable screens with different sizes;
the movable screen plate positioning table (2) comprises a positioning frame (201), the driving mechanism is arranged at the center position in the positioning frame (201), and hollow guide blocks (202) are arranged in the positioning frame (201) and positioned at two sides of the driving mechanism;
a hollow area is arranged in the hollow guide block (202), and a strip-shaped groove (2021) is arranged on the peripheral side surface of the hollow guide block (202);
the structure of the first transverse guide block (205) is completely consistent with that of the second transverse guide block (208);
a bar-shaped cavity (2051) is formed in the transverse guide block I (205), two ends of the interior of the bar-shaped cavity (2051) are respectively connected with a transmission column (209) in a sliding manner, one end, located outside the bar-shaped cavity (2051), of the transmission column (209) is fixedly connected with a positioning block (210), and the positioning block (210) is connected in a bar-shaped groove (2021) of the hollow guide block (202) in a sliding manner;
two ends of the hollow guide block (202) are connected to the side walls of the two longitudinal sides in the positioning frame (201) in a sliding mode;
two sides of the outer part of the positioning frame (201) are respectively provided with a transverse positioning mechanism (3) for pushing the hollow guide block (202) to move;
the transverse positioning mechanism (3) comprises side plates (302) arranged at two ends of the side face of the positioning frame (201), a transmission screw rod (301) is arranged between the side plates (302) at the two ends, two ends of the transmission screw rod (301) are provided with a first bevel gear (304), the first bevel gear (304) is meshed with a second bevel gear (305), the second bevel gear (305) is fixedly connected with one end of a telescopic rod piece (306), and the other end of the telescopic rod piece (306) is fixedly connected with the side face of the hollow guide block (202);
the output end of the driving mechanism is symmetrically provided with a first fan-shaped connecting lobe (203) and a second fan-shaped connecting lobe (206);
the fan-shaped connecting flap I (203) is hinged with one end of the connecting rod I (204), and the other end of the connecting rod I (204) is hinged with the middle position of the transverse guide block I (205);
the second fan-shaped connecting flap (206) is hinged with one end of the second connecting rod (207), and the other end of the second connecting rod (207) is hinged with the middle position of the second transverse guide block (208);
the top of a positioning block (210) in the hollow guide block (202) is fixedly provided with an L-shaped locking block (211) through a connecting column.
2. The screen printing machine with the automatic positioning system for the movable screen according to claim 1, wherein the retractable bar (306) comprises a first retractable bar (3061) and a second retractable bar (3062), and the second retractable bar (3062) is screwed on the first retractable bar (3061).
3. The screen printing machine with the automatic positioning system for the movable screen plate as claimed in claim 2, wherein the first expansion link (3061) is arranged to penetrate through a side wall of the positioning frame (201), and a rotary bearing acting on the first expansion link (3061) is arranged on the positioning frame (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210124558.5A CN114454604B (en) | 2022-02-10 | 2022-02-10 | Screen printing machine with automatic positioning system for movable screen plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210124558.5A CN114454604B (en) | 2022-02-10 | 2022-02-10 | Screen printing machine with automatic positioning system for movable screen plate |
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| Publication Number | Publication Date |
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| CN114454604A CN114454604A (en) | 2022-05-10 |
| CN114454604B true CN114454604B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210124558.5A Active CN114454604B (en) | 2022-02-10 | 2022-02-10 | Screen printing machine with automatic positioning system for movable screen plate |
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| CN213675949U (en) * | 2020-09-24 | 2021-07-13 | 温州市益彰机械有限公司 | But race platform printing machine of accurate positioning screen frame |
| CN213947785U (en) * | 2020-11-10 | 2021-08-13 | 常州市三洋精密制版有限公司 | Solar screen plate convenient to install and fix |
| CN113579034A (en) * | 2021-06-22 | 2021-11-02 | 安徽捷创科技有限公司 | Edge rolling equipment for producing battery caps |
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| CN114454604A (en) | 2022-05-10 |
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