CN210190834U

CN210190834U - Mechanical full-automatic screen printer

Info

Publication number: CN210190834U
Application number: CN201920503853.5U
Authority: CN
Inventors: Chaorong He; 何超荣
Original assignee: Dongguan Winon Industrial Co Ltd
Current assignee: Dongguan Winon Industrial Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-03-27
Anticipated expiration: 2029-04-12

Abstract

The utility model relates to the technical field of screen printing, in particular to a mechanical full-automatic screen printer, which comprises a frame, a power source, a transmission mechanism, a pipe position mechanism, a plurality of positioning mechanisms and a plurality of printing mechanisms, wherein the power source is arranged on the frame and is transmitted to the positioning mechanism, the pipe position mechanism and the printing mechanisms through the transmission mechanism; the pipe position mechanism is rotationally connected with the rack and used for placing a pipe type product; the positioning mechanism is connected with the rack in a sliding manner and is used for positioning the pipe position mechanism; the printing mechanism is arranged on the machine frame and used for driving the positioning mechanism to rotate and printing the product. The utility model discloses a full-automatic silk screen printing machine of mechanical type has solved curved surface polychrome printing and has needed the cost that multiunit power caused higher, the lower shortcoming of efficiency.

Description

Mechanical full-automatic screen printer

Technical Field

The utility model relates to a screen printing technical field, concretely relates to full-automatic silk screen printing machine of mechanical type.

Background

The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate can be permeated by ink and the meshes of the non-image-text part can not be permeated by ink is utilized to perform printing, so that the printing adaptability is strong.

At present, most of silk-screen printers on the market are single-color or plane printing, less curved-surface silk-screen printing is involved in curved-surface multicolor overprinting, multiple groups of power are required for driving the curved-surface multicolor overprinting, the multiple groups of power have no advantages in the aspects of design cost, energy consumption and the like, and the efficiency is lower.

Disclosure of Invention

In order to overcome the shortcoming and the deficiency that exist among the prior art, the utility model aims to provide a full-automatic silk screen printing machine of mechanical type has solved curved surface polychrome printing and has needed the cost that multiunit power caused higher, the lower shortcoming of efficiency.

The utility model discloses a realize through following technical scheme:

a mechanical full-automatic screen printer comprises a frame, a power source, a transmission mechanism, a tube position mechanism, a plurality of positioning mechanisms and a plurality of printing mechanisms, wherein the power source is arranged on the frame, and the transmission force of the power source is transmitted to the positioning mechanisms, the tube position mechanism and the printing mechanisms through the transmission mechanism;

the pipe position mechanism is rotationally connected with the rack and used for placing a tubular product;

the positioning mechanism is connected with the rack in a sliding manner and is used for positioning the pipe position mechanism;

the printing mechanism is arranged on the machine frame and used for driving the positioning mechanism to rotate and printing the product.

Wherein the transmission mechanism comprises a power dividing mechanism, a printing transmission mechanism and a positioning transmission mechanism,

the power dividing mechanism comprises a first synchronous wheel, a first synchronous belt, a second synchronous wheel, a first transmission shaft and a divider, the divider is arranged on the frame, the first synchronous wheel is arranged on an output shaft of the power source, the second synchronous wheel is arranged on an input shaft of the divider, and the first synchronous wheel is in transmission connection with the second synchronous wheel through a first synchronous belt; the first transmission shaft is arranged on an output shaft of the divider;

the printing transmission mechanism comprises a first cam slider, a first cam connecting rod, a first connecting rod, a second cam connecting rod, a first slider, a central transmission frame and a plurality of third cam connecting rods, wherein a cam of the first cam slider coaxially rotates with the first transmission shaft, the slider of the first cam slider is rotatably connected with one end of the first cam connecting rod, and the other end of the first cam connecting rod is rotatably connected with one end of the first connecting rod; the other end of the first connecting rod is rotatably connected with one end of a second cam connecting rod, and the other end of the second cam connecting rod is rotatably connected with one end of a first sliding block; the central transmission frame is provided with a transmission connecting rod and a plurality of convex rods and is rotationally connected with the rack; the first sliding block is connected with the rack in a sliding manner, and the other end of the first sliding block is rotationally connected with the transmission connecting rod; reinforcing ribs are connected between the transmission connecting rod and the convex rods and between two adjacent convex rods; one end of the convex rod is rotationally connected with one end of a third cam connecting rod, and the other end of the third cam connecting rod is rotationally connected with the printing mechanism;

the positioning transmission mechanism comprises a third synchronous wheel, a second synchronous belt, a fourth synchronous wheel, a second transmission shaft, a second cam slider, a first slide rail, a fourth cam connecting rod, a second connecting rod, a first rotary table, a plurality of buffer cylinders and a plurality of positioning grooves, the third synchronous wheel is arranged at one end of the first transmission shaft, the fourth synchronous wheel is sleeved on the second transmission shaft, and the third synchronous wheel is in transmission connection with the fourth synchronous wheel through the second synchronous belt; one end of the second transmission shaft is connected with a cam of a second cam slider, the first slide rail is arranged on the rack, a slider of the second cam slider is connected with the first slide rail in a sliding manner, one end of a fourth cam connecting rod is connected with the slider of the second cam slider in a rotating manner, the other end of the fourth cam connecting rod is connected with one end of a second connecting rod in a rotating manner, the second connecting rod is connected with the rack in a rotating manner, and the other end of the second connecting rod is connected with the first rotary disc; one end of the buffer cylinder is rotatably connected with the first rotary disc, and the other end of the buffer cylinder is rotatably connected with the positioning mechanism; the positioning groove is arranged in the rack, and the positioning mechanism is arranged in the positioning groove.

The printing mechanism comprises a connecting rod frame, a printing frame, a screen frame assembly and a printing head assembly, wherein the screen frame assembly is used for placing a silk screen, and the printing head assembly is used for pressing the silk screen and printing a product; the printing frame is arranged on the rack, the printing head assembly is connected with the printing frame in a sliding mode, and the sliding direction of the printing head assembly is the y-axis direction; the screen frame assembly is connected with the printing frame in a sliding mode, and the sliding direction of the screen frame assembly is the x-axis direction; one end of the connecting rod frame penetrates through the printing frame and is connected with the screen frame assembly, and the other end of the connecting rod frame is rotatably connected with the other end of the third cam connecting rod; the bottom end of the connecting rod frame is connected with a second sliding block in a sliding mode, the sliding direction of the second sliding block is the y-axis direction, and the bottom end of the second sliding block is provided with a printing rack;

the positioning mechanism comprises a bottom plate, a positioning sliding shell, a first positioning synchronous wheel, a positioning synchronous belt, a second positioning synchronous wheel, a printing gear, a positioning fork, a first positioning connecting rod and a second positioning connecting rod, the bottom plate is arranged at the positioning groove, the positioning sliding shell is connected to the bottom plate in a sliding mode, and the other end of the buffer cylinder is rotatably connected to the positioning sliding shell; the first positioning connecting rod and the second positioning connecting rod respectively penetrate through the positioning sliding shell and are in rotating connection with the positioning sliding shell, the printing gear and the first positioning synchronous wheel are respectively arranged at two ends of the first positioning connecting rod, and the printing gear is meshed with the printing rack; the positioning fork and the second positioning synchronous wheel are respectively arranged at two ends of the second positioning connecting rod, and the first positioning synchronous wheel is in transmission connection with the second positioning synchronous wheel through a positioning synchronous belt;

the pipe position mechanism comprises a second turntable, a plurality of vacuum pipes and a plurality of pipe position fixtures for placing pipe type products, and the second turntable is in driving connection with the divider; the pipe position fixtures are uniformly arranged on the circumference of the second rotary table, the pipe position fixtures are rotationally connected with the second rotary table, and the vacuum pipes are used for communicating the pipe position fixtures with an external vacuum mechanism; the pipe position jig is provided with a positioning pin matched with the positioning fork.

The screen frame assembly comprises a first screen frame arm, a second screen frame arm and a cross arm, the cross arm is connected with the printing frame in a sliding mode, and one end of the connecting rod frame penetrates through the printing frame and is connected with the cross arm; the cross arm is provided with a guide rod, and the first net frame arm and the second net frame arm are respectively connected to two ends of the guide rod in a sliding manner; the first screen frame arm is provided with a first screen fixing piece, and the second screen frame arm is provided with a second screen fixing piece;

the printing head assembly comprises a first printing head frame, a second printing head frame and a printing head, one end of the first printing head frame is connected with the printing frame in a sliding mode, and the sliding direction of the first printing head frame is the x-axis direction; the second printing head frame is connected to the other end of the first printing head frame in a sliding mode, and the sliding direction of the second printing head frame is the y-axis direction; the printing head is rotationally connected with the second printing head frame.

The printing mechanism further comprises a first screen frame x-axis adjusting mechanism, a second screen frame x-axis adjusting mechanism, a screen frame y-axis adjusting mechanism, a printing head x-axis adjusting mechanism and a printing head y-axis adjusting mechanism, wherein the first screen frame x-axis adjusting mechanism is arranged on the first screen frame arm and is used for fixing the first screen frame arm on the guide rod; the second screen frame x-axis adjusting mechanism is arranged on the second screen frame arm and used for fixing the second screen frame arm on the guide rod; the screen frame y-axis adjusting mechanism is respectively arranged on the first screen fixing piece and the second screen fixing piece and is used for fixing the first screen fixing piece on the first screen frame arm and fixing the second screen fixing piece on the second screen frame arm; the printing head x-axis adjusting mechanism is arranged on the printing frame and used for fixing the first printing head frame on the printing frame; the printing head y-axis adjusting mechanism is arranged on the second printing head frame and used for fixing the second printing head frame on the first printing head.

The positioning mechanism further comprises a first tensioning wheel and a second tensioning wheel, the first tensioning wheel and the second tensioning wheel are respectively arranged on two sides of the positioning sliding shell, and the first tensioning wheel and the second tensioning wheel are respectively abutted against the positioning synchronous belt.

The positioning mechanism further comprises a pre-positioning mechanism, the pre-positioning mechanism is arranged between the two adjacent printing mechanisms, and the pre-positioning mechanism is provided with a pre-positioning pin for pulling the positioning pin.

The fisheye bearing is arranged at the joint of the first cam connecting rod and the first transmission shaft, the joint of the first transmission shaft and the second cam connecting rod, the joint of the second cam connecting rod and the first sliding block, the joint of the convex rod and the third cam connecting rod, the joint of the second cam sliding block and the fourth cam connecting rod, the joint of the second connecting rod and the fourth cam connecting rod and the joint of the buffer cylinder and the positioning mechanism.

The mechanical full-automatic screen printer further comprises an operating panel, the operating panel is arranged on the rack, and the operating panel is used for controlling the starting, stopping and speed of the power source.

The utility model has the advantages that:

the power cost is lower, and efficiency is higher: the utility model discloses a mechanical type full-automatic silk screen printing machine, when printing, start the power supply, the power supply then passes through drive mechanism and transmits respectively to pipe position mechanism, positioning mechanism and printing mechanism, and the whole printing process only needs a power supply drive, need not other power supplies; meanwhile, one power source drives the pipe position mechanism, the positioning mechanism and the printing mechanism, the linkage precision among the pipe position mechanism, the positioning mechanism and the printing mechanism is higher, and meanwhile, the efficiency is higher.

Drawings

The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.

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

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is another schematic diagram of the internal structure of the present invention.

Fig. 4 is an exploded view of another internal structure of the present invention.

Fig. 5 is another schematic view of the internal structure of the present invention.

Fig. 6 is another schematic view of the internal structure of the present invention.

Fig. 7 is another schematic view of the internal structure of the present invention.

Fig. 8 is a schematic structural diagram of the positioning mechanism of the present invention.

Fig. 9 is another schematic structural diagram of the positioning mechanism of the present invention.

Fig. 10 is a schematic structural view of a printing mechanism according to the present invention.

Fig. 11 is another schematic structural view of the printing mechanism of the present invention.

Fig. 12 is another schematic structural view of the printing mechanism of the present invention.

Fig. 13 is a schematic structural diagram of the pipe position mechanism of the present invention.

Reference numerals

A frame-1, a positioning groove-11,

a transmission mechanism-2 is arranged on the base,

a power split mechanism-21, a first synchronizing wheel-211, a first synchronizing belt-212, a second synchronizing wheel-213, a first transmission shaft-214, a splitter-215,

a printing transmission mechanism-22, a first cam slider-221, a first cam link-222, a first link-223, a second cam link-224, a first slider-225, a third cam link-227,

a central transmission frame-226, a transmission connecting rod-2261, a convex rod-2262, a reinforcing rib-2263,

a positioning transmission mechanism-23, a third synchronous wheel-231, a second synchronous belt-232, a fourth synchronous wheel-233, a second transmission shaft-234, a second cam slider-235, a first slide rail-236, a second connecting rod-237, a first rotary disc-238, a buffer cylinder-239, a fourth cam connecting rod-230,

a pipe position mechanism-3, a second turntable-31, a vacuum pipe-32, a pipe position jig-33, a positioning pin-34,

a positioning mechanism-4, a bottom plate-41, a positioning sliding shell-42, a first positioning synchronous wheel-43, a positioning synchronous belt-44, a second positioning synchronous wheel-45, a positioning fork-46, a first positioning connecting rod-47, a second positioning connecting rod-48 and a printing gear-49,

a first tension roller-481, a second tension roller-482,

a pre-positioning mechanism-40, a pre-positioning pin-401,

a printing mechanism-5, a link frame-51, a printing frame-52,

a frame unit-53, a first frame arm-531, a second frame arm-532, a horizontal arm-533, a guide-bar-534, a first wire net mount-535, a second wire net mount-536,

a printhead assembly-54, a first printhead frame-541, a second printhead frame-542, a printhead-543,

a second slide-55, a printing rack-56,

a first frame x-axis adjusting mechanism 571, a second frame x-axis adjusting mechanism 572, a frame y-axis adjusting mechanism 573, a print head x-axis adjusting mechanism 574, a print head y-axis adjusting mechanism 575,

power source-6, operation panel-7.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the structures shown in the drawings are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the practical limitations of the present invention, so that the modifications or adjustments of any structure do not have the essential meaning in the art, and the technical contents disclosed in the present invention should still fall within the scope that the functions and the achievable objects of the present invention can be achieved without affecting the present invention.

As shown in fig. 1 to 13, a mechanical full-automatic screen printer includes a frame 1, a power source 6, a transmission mechanism 2, a tube position mechanism 3, a plurality of positioning mechanisms 4, and a plurality of printing mechanisms 5, wherein the power source 6 is disposed on the frame 1, and the transmission force of the power source 6 is transmitted to the positioning mechanism 4, the tube position mechanism 3, and the printing mechanisms 5 through the transmission mechanism 2; the pipe position mechanism 3 is rotationally connected with the rack 1, and the pipe position mechanism 3 is used for placing a pipe type product; the positioning mechanism 4 is connected with the rack 1 in a sliding manner, and the positioning mechanism 4 is used for positioning the pipe position mechanism 3; the printing mechanism 5 is arranged on the machine frame 1, and the printing mechanism 5 is used for driving the positioning mechanism 4 to rotate and printing the product.

The full-automatic silk screen printing machine of mechanical type of this embodiment has following effect:

the power cost is lower, and efficiency is higher: when the mechanical full-automatic screen printer is used for printing, the power source 6 is started, the transmission force of the power source 6 is transmitted to the tube position mechanism 3, the positioning mechanism 4 and the printing mechanism 5 through the transmission mechanism 2, only one power source 6 is needed for driving in the whole printing process, and other power sources 6 are not needed; meanwhile, one power source 6 drives the pipe position mechanism 3, the positioning mechanism 4 and the printing mechanism 5, and the linkage precision among the pipe position mechanism 3, the positioning mechanism 4 and the printing mechanism 5 is higher, and the efficiency is higher.

Specifically, the transmission mechanism 2 includes a power dividing mechanism 21, a printing transmission mechanism 22 and a positioning transmission mechanism 23, wherein the power dividing mechanism 21 includes a first synchronizing wheel 211, a first synchronizing belt 212, a second synchronizing wheel 213, a first transmission shaft 214 and a divider 215, the divider 215 is disposed on the frame 1, the first synchronizing wheel 211 is disposed on an output shaft of the power source 6, the second synchronizing wheel 213 is disposed on an input shaft of the divider 215, and the first synchronizing wheel 211 is in transmission connection with the second synchronizing wheel 213 through the first synchronizing belt 212; the first transmission shaft 214 is installed on the output shaft of the divider 215;

the printing transmission mechanism 22 comprises a first cam slider 221, a first cam link 222, a first link 223, a second cam link 224, a first slider 225, a central transmission frame 226 and a plurality of third cam links 227, wherein the cam of the first cam slider 221 rotates coaxially with the first transmission shaft 214, the slider of the first cam slider 221 is rotatably connected with one end of the first cam link 222, and the other end of the first cam link 222 is rotatably connected with one end of the first link 223; the other end of the first link 223 is rotatably connected with one end of a second cam link 224, and the other end of the second cam link 224 is rotatably connected with one end of a first slider 225; the central transmission frame 226 is provided with a transmission connecting rod 2261 and a plurality of convex rods 2262, and the central transmission frame 226 is rotatably connected with the frame 1; the first sliding block 225 is slidably connected with the frame 1, and the other end of the first sliding block 225 is rotatably connected with the transmission connecting rod 2261; reinforcing ribs 2263 are connected between the transmission connecting rod 2261 and the convex rods 2262 and between two adjacent convex rods 2262; one end of the protruding rod 2262 is rotationally connected with one end of the third cam connecting rod 227, and the other end of the third cam connecting rod 227 is rotationally connected with the printing mechanism 5;

the positioning transmission mechanism 23 includes a third synchronizing wheel 231, a second synchronizing belt 232, a fourth synchronizing wheel 233, a second transmission shaft 234, a second cam slider 235, a first slide rail 236, a fourth cam link 230, a second link 237, a first rotary table 238, a plurality of buffer cylinders 239, and a plurality of positioning grooves 11, the third synchronizing wheel 231 is disposed at one end of the first transmission shaft 214, the fourth synchronizing wheel 233 is sleeved on the second transmission shaft 234, and the third synchronizing wheel 231 is in transmission connection with the fourth synchronizing wheel 233 through the second synchronizing belt 232; one end of the second transmission shaft 234 is connected with a cam of a second cam slider 235, the first slide rail 236 is arranged on the frame 1, the slider of the second cam slider 235 is slidably connected with the first slide rail 236, one end of the fourth cam link 230 is rotatably connected with the slider of the second cam slider 235, the other end of the fourth cam link 230 is rotatably connected with one end of a second link 237, the second link 237 is rotatably connected with the frame 1, and the other end of the second link 237 is connected with a first rotary disc 238; one end of the buffer cylinder 239 is rotatably connected with the first rotating disc 238, and the other end of the buffer cylinder 239 is rotatably connected with the positioning mechanism 4; the positioning groove 11 is arranged in the frame 1, and the positioning mechanism 4 is arranged in the positioning groove 11.

Specifically, the printing mechanism 5 includes a link frame 51, a printing frame 52, a frame assembly 53 and a print head assembly 54, wherein the frame assembly 53 is used for placing a screen, and the print head assembly 54 is used for pressing the screen and printing a product; the printing frame 52 is arranged on the machine frame 1, the printing head assembly 54 is connected with the printing frame 52 in a sliding mode, and the sliding direction of the printing head assembly 54 is the y-axis direction; the screen frame assembly 53 is connected with the printing frame 52 in a sliding manner, and the sliding direction of the screen frame assembly 53 is the x-axis direction; one end of the link frame 51 penetrates through the printing frame 52 and is connected with the screen frame assembly 53, and the other end of the link frame 51 is rotatably connected with the other end of the third cam link 227; a second sliding block 55 is connected to the bottom end of the connecting rod frame 51 in a sliding manner, the sliding direction of the second sliding block 55 is the y-axis direction, and a printing rack 56 is arranged at the bottom end of the second sliding block 55;

the positioning mechanism 4 comprises a bottom plate 41, a positioning sliding shell 42, a first positioning synchronous wheel 43, a positioning synchronous belt 44, a second positioning synchronous wheel 45, a printing gear 49, a positioning fork 46, a first positioning connecting rod 47 and a second positioning connecting rod 48, wherein the bottom plate 41 is arranged in the positioning groove 11, the positioning sliding shell 42 is slidably connected to the bottom plate 41, and the other end of the buffer cylinder 239 is rotatably connected to the positioning sliding shell 42; the first positioning connecting rod 47 and the second positioning connecting rod 48 respectively penetrate through the positioning sliding shell 42 and are rotatably connected with the positioning sliding shell 42, the printing gear 49 and the first positioning synchronous wheel 43 are respectively arranged at two ends of the first positioning connecting rod 47, and the printing gear 49 is meshed with the printing rack 56; the positioning fork 46 and the second positioning synchronous wheel 45 are respectively arranged at two ends of the second positioning connecting rod 48, and the first positioning synchronous wheel 43 is in transmission connection with the second positioning synchronous wheel 45 through the positioning synchronous belt 44.

The pipe position mechanism 3 comprises a second turntable 31, a plurality of vacuum pipes 32 and a plurality of pipe position jigs 33 for placing pipe type products, and the second turntable 31 is in driving connection with the divider 215; the pipe position jigs 33 are uniformly arranged on the circumference of the second rotary table 31, the pipe position jigs 33 are rotatably connected with the second rotary table 31, and the vacuum pipes 32 are used for communicating the pipe position jigs 33 with an external vacuum mechanism; the pipe position jig 33 is provided with a positioning pin 34 matched with a positioning fork 46.

In the scheme, the power source 6 provides power, and the power source 6 is generally a servo motor; the power of the power source 6 is transmitted to the first transmission shaft 214 through the first synchronizing wheel 211, the first synchronizing belt 212 and the second synchronizing wheel 213, the first transmission shaft 214 transmits a part of the power to the second turntable 31 through the divider 215, so that the second turntable 31 rotates, and the rotating second turntable 31 drives the pipe position jigs 33 to rotate; the tube-shaped products, such as cosmetic bottles, cream bottles and other bottle-shaped products, placed on the tube position jig 33 are vacuumized by an external vacuum mechanism through the vacuum tube 32 to the tube position jig 33 after the products are placed on the tube position jig 33, so that the products are adsorbed on the tube position jig 33;

meanwhile, a second part of the power of the first transmission shaft 214 acts on the first cam slider 221, when the first transmission shaft 214 rotates, the cam of the first cam slider 221 rotates, and the slider of the first cam slider 221 reciprocates left and right under the limitation of the cam; the first cam link 222 reciprocates left and right simultaneously under the action of the first cam link 222, and the first link 223 reciprocates at a certain angle under the action of the first cam link 222 and drives the second cam link 224 to reciprocate at a certain distance; since the sliding direction of the first slider 225 has been defined, the first slider 225 performs reciprocating translation following the reciprocating movement of the second cam link 224; when the first sliding block 225 performs reciprocating translation, the first sliding block 225 drives the central transmission frame 226 to perform reciprocating rotation at a certain angle through the transmission connecting rod 2261; at this time, the rotating cam 2262 drives the third cam link 227 to rotate, so that the third cam link 227 drives the link frame 51 of the printing mechanism 5, and the link frame 51 reciprocates on the printing frame 52 along the x-axis direction under the limitation of the screen frame assembly 53;

when the link frame 51 moves in the x-axis direction, the printing rack 56 drives the printing gear 49 to rotate, and the printing gear 49 sequentially drives the first positioning link 47, the first positioning synchronizing wheel 43, the positioning timing belt 44, the second positioning synchronizing wheel 45, and the second positioning link 48 to finally transmit to the positioning fork 46.

In addition, the remaining power of the first transmission shaft 214 acts on the third synchronous wheel 231, the third synchronous wheel 231 drives the fourth synchronous wheel 233 to rotate through the second synchronous belt 232, the fourth synchronous wheel 233 drives the second transmission shaft 234 to rotate, the second transmission shaft 234 drives the cam of the second cam slider 235 to rotate, and the slider of the second cam slider 235 performs left-right reciprocating movement under the limitation of the first slide rail 236; while the slider of the second cam slider 235 reciprocates, the slider of the second cam slider 235 enables the fourth cam link 230 to drive the second link 237 to reciprocate by a certain angle, and the second link 237 drives the first turntable 238 at the top end of the second link 237 to reciprocate by a certain angle; when the first rotating disc 238 rotates back and forth at a certain angle, the buffer cylinder 239 rotationally connected with the first rotating disc 238 acts on the positioning sliding shell 42, and since the positioning sliding shell 42 is limited on the bottom plate 41 to slide, the buffer cylinder 239 acts on the positioning sliding shell 42, and the positioning sliding shell 42 performs a forward and backward translation motion, which can make the positioning fork 46 approach to the pipe position jig 33, and finally make the positioning pin 34 inserted into the positioning fork 46, thereby completing the positioning of the pipe position jig 33; the first positioning synchronous wheel 43 is in transmission connection with the second positioning synchronous wheel 45 through a positioning synchronous belt 44, the rotating second positioning synchronous wheel 45 drives the second positioning connecting rod 48 to rotate, the rotating second positioning connecting rod 48 drives the positioning fork 46 to rotate, and the positioning pin 34 rotates along with the positioning fork 46 under the limitation of the positioning fork 46, so that the pipe position jig 33 rotates; the rotating pipe position jig 33 drives the product to rotate, the printing head 543 of the printing mechanism 5 and the silk screen are aligned to the side face of the product to print, and finally the product is printed by the printing mechanism 5 in 360 degrees in the rotating process; in addition, when the positioning slide shell 42 moves, the printing rack 56 moves along the y-axis direction along with the second slide block 55, so that the printing rack 56 is not separated from the printing gear 49; positioning mechanism 4 still includes prepositioning mechanism 40, prepositioning mechanism 40 is located between two adjacent printing mechanism 5, prepositioning mechanism 40 is equipped with the prepositioning pin 401 that is used for dialling away dowel 34, and this prepositioning mechanism 40 can carry out the primary location to the product of previous station, ensures positioning mechanism 4's accurate positioning.

After printing, the power source 6 drives the positioning mechanism 4 to move back, the positioning fork 46 is separated from the positioning pin 34, the printing mechanism 5 returns to the initial state, and the divider 215 drives the second rotary disc 31 to convey the next product to the positioning mechanism 4 for positioning and conveying to the printing mechanism 5 for printing, and so on.

In actual use, in order to ensure the accuracy of the rotation of the connection between the first cam link 222 and the first transmission shaft 214, the connection between the first transmission shaft 214 and the second cam link 224, the connection between the second cam link 224 and the first slider 225, the connection between the nose bar 2262 and the third cam link 227, the connection between the second cam slider 235 and the fourth cam link 230, the connection between the second link 237 and the fourth cam link 230, and the connection between the buffer cylinder 239 and the positioning mechanism 4, therefore, fisheye bearings are arranged at the joint of the first cam link 222 and the first transmission shaft 214, the joint of the first transmission shaft 214 and the second cam link 224, the joint of the second cam link 224 and the first slider 225, the joint of the nose bar 2262 and the third cam link 227, the joint of the second cam slider 235 and the fourth cam link 230, the joint of the second link 237 and the fourth cam link 230, and the joint of the buffer cylinder 239 and the positioning mechanism 4.

Specifically, the frame unit 53 includes a first frame arm 531, a second frame arm 532 and a cross arm 533, the cross arm 533 is slidably connected to the print frame 52, and one end of the link frame 51 penetrates through the print frame 52 and is connected to the cross arm 533; the cross arm 533 is provided with a guide rod 534, and the first net frame arm 531 and the second net frame arm 532 are respectively connected to two ends of the guide rod 534 in a sliding manner; the first mesh frame arm 531 is provided with a first mesh fixing member 535, and the second mesh frame arm 532 is provided with a second mesh fixing member 536; as the link holder 51 reciprocates the cross arm 533 in the x-axis, the first frame arm 531 and the second frame arm 532 follow the movement, and eventually the screen mounted on the frame unit 53 follows the movement.

The print head assembly 54 includes a first print head frame 541, a second print head frame 542, and a print head 543, wherein one end of the first print head frame 541 is slidably connected to the print frame 52, and a sliding direction of the first print head frame 541 is an x-axis direction; the second printhead frame 542 is slidably connected to the other end of the first printhead frame 541, and the sliding direction of the second printhead frame 542 is the y-axis direction; the printhead 543 is rotatably connected to the second printhead frame 542.

Specifically, the printing mechanism 5 further includes a first frame x-axis adjusting mechanism 571, a second frame x-axis adjusting mechanism 572, a frame y-axis adjusting mechanism 573, a printhead x-axis adjusting mechanism 574, and a printhead y-axis adjusting mechanism 575, the first frame x-axis adjusting mechanism 571 is disposed on the first frame arm 531, and the first frame x-axis adjusting mechanism 571 is configured to fix the first frame arm 531 to the guide bar 534; the second frame x-axis adjusting mechanism 572 is disposed on the second frame arm 532, and the second frame x-axis adjusting mechanism 572 is configured to fix the second frame arm 532 to the guide bar 534; the frame y-axis adjustment mechanisms 573 are provided to the first wire mesh holder 535 and the second wire mesh holder 536, respectively, the frame y-axis adjustment mechanisms 573 being for securing the first wire mesh holder 535 to the first frame arm 531 and for securing the second wire mesh holder 536 to the second frame arm 532; the print head x-axis adjusting mechanism 574 is disposed on the print frame 52, and the print head x-axis adjusting mechanism 574 is configured to fix the first print head frame 541 to the print frame 52; the printing head y-axis adjusting mechanism 575 is disposed on the second printing head frame 542, and the printing head y-axis adjusting mechanism 575 is used to fix the second printing head frame 542 on the first printing head 543. In this embodiment, the first frame x-axis adjusting mechanism 571, the second frame x-axis adjusting mechanism 572, the frame y-axis adjusting mechanism 573, the print head x-axis adjusting mechanism 574 and the print head y-axis adjusting mechanism 575 are all screws with knobs, and the first frame arm 531, the second frame x-axis adjusting mechanism 572, the frame y-axis adjusting mechanism 573, the print head x-axis adjusting mechanism 574 and the print head y-axis adjusting mechanism 575 are respectively twisted so that the first frame arm 532, the second frame arm 532, the first print head frame 541, the second print head frame 542, the first screen fixing member 535 and the second screen fixing frame adjust the positions of the respective components after losing the fixing effect of the above mechanisms, and after the positions of the respective components are adjusted, the first frame x-axis adjusting mechanism 571, the second frame x-axis adjusting mechanism 572, the frame y-axis adjusting mechanism 573, the print head y-axis adjusting mechanism 575 are twisted again, The print head x-axis adjustment mechanism 574 and the print head y-axis adjustment mechanism 575 are fixed to the respective parts.

Specifically, the positioning mechanism 4 further includes a first tension wheel 481 and a second tension wheel 482, the first tension wheel 481 and the second tension wheel 482 are respectively disposed at two sides of the positioning sliding housing 42, and both the first tension wheel 481 and the second tension wheel 482 are pressed against the positioning synchronous belt 44.

Specifically, the full-automatic silk screen printing machine of mechanical type still includes operating panel 7, frame 1 is located to operating panel 7, makes things convenient for staff's application operating panel 7 to control opening of power supply 6 and stop and speed.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a full-automatic silk screen printing machine of mechanical type, includes frame (1), its characterized in that: the automatic pipe-positioning device is characterized by further comprising a power source (6), a transmission mechanism (2), a pipe position mechanism (3), a plurality of positioning mechanisms (4) and a plurality of printing mechanisms (5), wherein the power source (6) is arranged on the rack (1), and the transmission force of the power source (6) is transmitted to the positioning mechanisms (4), the pipe position mechanism (3) and the printing mechanisms (5) through the transmission mechanism (2);

the pipe position mechanism (3) is rotationally connected with the rack (1), and the pipe position mechanism (3) is used for placing a pipe type product;

the positioning mechanism (4) is connected with the rack (1) in a sliding manner, and the positioning mechanism (4) is used for positioning the pipe position mechanism (3);

the printing mechanism (5) is arranged on the machine frame (1), and the printing mechanism (5) is used for driving the positioning mechanism (4) to rotate and printing a product.

2. The mechanical full-automatic screen printing machine according to claim 1, characterized in that: the transmission mechanism (2) comprises a power dividing mechanism (21), a printing transmission mechanism (22) and a positioning transmission mechanism (23),

the power dividing mechanism (21) comprises a first synchronous wheel (211), a first synchronous belt (212), a second synchronous wheel (213), a first transmission shaft (214) and a divider (215), wherein the divider (215) is arranged on the frame (1), the first synchronous wheel (211) is arranged on an output shaft of the power source (6), the second synchronous wheel (213) is arranged on an input shaft of the divider (215), and the first synchronous wheel (211) is in transmission connection with the second synchronous wheel (213) through the first synchronous belt (212); the first transmission shaft (214) is arranged on an output shaft of the divider (215);

the printing transmission mechanism (22) comprises a first cam slider (221), a first cam connecting rod (222), a first connecting rod (223), a second cam connecting rod (224), a first slider (225), a central transmission frame (226) and a plurality of third cam connecting rods (227), wherein a cam of the first cam slider (221) rotates coaxially with the first transmission shaft (214), a slider of the first cam slider (221) is rotatably connected with one end of the first cam connecting rod (222), and the other end of the first cam connecting rod (222) is rotatably connected with one end of the first connecting rod (223); the other end of the first connecting rod (223) is rotationally connected with one end of a second cam connecting rod (224), and the other end of the second cam connecting rod (224) is rotationally connected with one end of a first sliding block (225); the central transmission frame (226) is provided with a transmission connecting rod (2261) and a plurality of convex rods (2262), and the central transmission frame (226) is rotationally connected with the rack (1); the first sliding block (225) is connected with the rack (1) in a sliding manner, and the other end of the first sliding block (225) is connected with the transmission connecting rod (2261) in a rotating manner; reinforcing ribs (2263) are connected between the transmission connecting rod (2261) and the convex rods (2262) and between two adjacent convex rods (2262); one end of the convex rod (2262) is rotationally connected with one end of a third cam connecting rod (227), and the other end of the third cam connecting rod (227) is rotationally connected with the printing mechanism (5);

the positioning transmission mechanism (23) comprises a third synchronous wheel (231), a second synchronous belt (232), a fourth synchronous wheel (233), a second transmission shaft (234), a second cam slider (235), a first slide rail (236), a fourth cam connecting rod (230), a second connecting rod (237), a first turntable (238), a plurality of buffer cylinders (239) and a plurality of positioning grooves (11), the third synchronous wheel (231) is arranged at one end of the first transmission shaft (214), the fourth synchronous wheel (233) is sleeved on the second transmission shaft (234), and the third synchronous wheel (231) is in transmission connection with the fourth synchronous wheel (233) through the second synchronous belt (232); one end of the second transmission shaft (234) is connected with a cam of a second cam slider (235), the first slide rail (236) is arranged on the frame (1), a slider of the second cam slider (235) is connected with the first slide rail (236) in a sliding manner, one end of the fourth cam link (230) is connected with a slider of the second cam slider (235) in a rotating manner, the other end of the fourth cam link (230) is connected with one end of a second link (237) in a rotating manner, the second link (237) is connected with the frame (1) in a rotating manner, and the other end of the second link (237) is connected with the first rotating disc (238); one end of the buffer cylinder (239) is rotatably connected with the first turntable (238), and the other end of the buffer cylinder (239) is rotatably connected with the positioning mechanism (4); the positioning groove (11) is arranged in the rack (1), and the positioning mechanism (4) is arranged in the positioning groove (11).

3. The mechanical full-automatic screen printing machine according to claim 2, characterized in that: the printing mechanism (5) comprises a connecting rod frame (51), a printing frame (52), a screen frame assembly (53) and a printing head assembly (54), wherein the screen frame assembly (53) is used for placing a silk screen, and the printing head assembly (54) is used for pressing the silk screen and printing a product; the printing frame (52) is arranged on the rack (1), the printing head assembly (54) is connected with the printing frame (52) in a sliding mode, and the sliding direction of the printing head assembly (54) is the y-axis direction; the screen frame assembly (53) is connected with the printing frame (52) in a sliding mode, and the sliding direction of the screen frame assembly (53) is the x-axis direction; one end of the connecting rod frame (51) penetrates through the printing frame (52) and is connected with the screen frame assembly (53), and the other end of the connecting rod frame (51) is rotatably connected with the other end of the third cam connecting rod (227); the bottom end of the connecting rod frame (51) is connected with a second sliding block (55) in a sliding mode, the sliding direction of the second sliding block (55) is the y-axis direction, and the bottom end of the second sliding block (55) is provided with a printing rack (56);

the positioning mechanism (4) comprises a bottom plate (41), a positioning sliding shell (42), a first positioning synchronous wheel (43), a positioning synchronous belt (44), a second positioning synchronous wheel (45), a printing gear (49), a positioning fork (46), a first positioning connecting rod (47) and a second positioning connecting rod (48), the bottom plate (41) is arranged in the positioning groove (11), the positioning sliding shell (42) is connected to the bottom plate (41) in a sliding mode, and the other end of the buffer cylinder (239) is connected to the positioning sliding shell (42) in a rotating mode; the first positioning connecting rod (47) and the second positioning connecting rod (48) penetrate through the positioning sliding shell (42) respectively and are connected with the positioning sliding shell (42) in a rotating mode, the printing gear (49) and the first positioning synchronous wheel (43) are arranged at two ends of the first positioning connecting rod (47) respectively, and the printing gear (49) is meshed with the printing rack (56); the positioning fork (46) and the second positioning synchronous wheel (45) are respectively arranged at two ends of a second positioning connecting rod (48), and the first positioning synchronous wheel (43) is in transmission connection with the second positioning synchronous wheel (45) through a positioning synchronous belt (44);

the pipe position mechanism (3) comprises a second turntable (31), a plurality of vacuum pipes (32) and a plurality of pipe position fixtures (33) for placing the pipe-shaped products, and the second turntable (31) is in driving connection with the divider (215); the pipe position fixtures (33) are uniformly arranged on the circumference of the second rotary table (31), the pipe position fixtures (33) are rotatably connected with the second rotary table (31), and the vacuum pipes (32) are used for communicating the pipe position fixtures (33) with an external vacuum mechanism; the pipe position jig (33) is provided with a positioning pin (34) matched with the positioning fork (46).

4. The mechanical full-automatic screen printing machine according to claim 3, characterized in that: the net frame assembly (53) comprises a first net frame arm (531), a second net frame arm (532) and a cross arm (533), the cross arm (533) is connected with the printing frame (52) in a sliding mode, and one end of the connecting rod frame (51) penetrates through the printing frame (52) and is connected with the cross arm (533); the cross arm (533) is provided with a guide rod (534), and the first net frame arm (531) and the second net frame arm (532) are respectively connected to two ends of the guide rod (534) in a sliding manner; the first mesh frame arm (531) is provided with a first mesh fixing piece (535), and the second mesh frame arm (532) is provided with a second mesh fixing piece (536);

the printing head assembly (54) comprises a first printing head frame (541), a second printing head frame (542) and a printing head (543), one end of the first printing head frame (541) is connected with the printing frame (52) in a sliding mode, and the sliding direction of the first printing head frame (541) is the x-axis direction; the second printing head frame (542) is connected to the other end of the first printing head frame (541) in a sliding mode, and the sliding direction of the second printing head frame (542) is the y-axis direction; the printing head (543) is rotatably connected to the second printing head frame (542).

5. The mechanical full-automatic screen printing machine according to claim 4, characterized in that: the printing mechanism (5) further comprises a first screen frame x-axis adjusting mechanism (571), a second screen frame x-axis adjusting mechanism (572), a screen frame y-axis adjusting mechanism (573), a printing head x-axis adjusting mechanism (574) and a printing head y-axis adjusting mechanism (575), wherein the first screen frame x-axis adjusting mechanism (571) is arranged on the first screen frame arm (531), and the first screen frame x-axis adjusting mechanism (571) is used for fixing the first screen frame arm (531) on the guide rod (534); the second screen frame x-axis adjusting mechanism (572) is arranged on the second screen frame arm (532), and the second screen frame x-axis adjusting mechanism (572) is used for fixing the second screen frame arm (532) on the guide rod (534); the frame y-axis adjustment mechanisms (573) are provided to the first wire mount (535) and the second wire mount (536), respectively, the frame y-axis adjustment mechanisms (573) for securing the first wire mount (535) to the first frame arm (531) and for securing the second wire mount (536) to the second frame arm (532); the printing head x-axis adjusting mechanism (574) is arranged on the printing frame (52), and the printing head x-axis adjusting mechanism (574) is used for fixing the first printing head frame (541) on the printing frame (52); the printing head y-axis adjusting mechanism (575) is arranged on the second printing head frame (542), and the printing head y-axis adjusting mechanism (575) is used for fixing the second printing head frame (542) on the first printing head (543).

6. The mechanical full-automatic screen printing machine according to claim 3, characterized in that: the positioning mechanism (4) further comprises a first tensioning wheel (481) and a second tensioning wheel (482), the first tensioning wheel (481) and the second tensioning wheel (482) are respectively arranged on two sides of the positioning sliding shell (42), and the first tensioning wheel (481) and the second tensioning wheel (482) are both pressed against the positioning synchronous belt (44).

7. The mechanical full-automatic screen printing machine according to claim 3, characterized in that: the positioning mechanism (4) further comprises a pre-positioning mechanism (40), the pre-positioning mechanism (40) is arranged between the two adjacent printing mechanisms (5), and the pre-positioning mechanism (40) is provided with a pre-positioning pin (401) used for pulling the positioning pin (34) away.

8. The mechanical full-automatic screen printing machine according to claim 2, characterized in that: fisheye bearings are arranged at the joint of the first cam connecting rod (222) and the first transmission shaft (214), the joint of the first transmission shaft (214) and the second cam connecting rod (224), the joint of the second cam connecting rod (224) and the first sliding block (225), the joint of the convex rod (2262) and the third cam connecting rod (227), the joint of the second cam sliding block (235) and the fourth cam connecting rod (230), the joint of the second connecting rod (237) and the fourth cam connecting rod (230) and the joint of the buffer cylinder (239) and the positioning mechanism (4).

9. The mechanical full-automatic screen printing machine according to claim 1, characterized in that: the mechanical full-automatic screen printing machine further comprises an operation panel (7), the operation panel (7) is arranged on the rack (1), and the operation panel (7) is used for controlling the starting, stopping and speed of the power source (6).