Material conveying mechanism of screen printing machine
Technical Field
The application relates to the field of material conveying technology of a screen printing machine, in particular to a material conveying mechanism of the screen printing machine.
Background
Screen printing belongs to the stencil printing, which is called a four-large printing method together with lithographic printing, letterpress printing, gravure printing. Stencil printing comprises stencil printing, spraying and screen printing, etc., wherein the stencil printing principle is that when printing, printing plate (the holes through which printing ink can pass are made on the base of paper film plate or other plates), the printing ink is transferred to printing stock (paper, ceramic, etc.) through the holes of the stencil printing plate by a certain pressure to form images or characters, and the screen printer has wide application in modern industrial production, and the material conveying mechanism is a key component for ensuring that the screen printing operation can be continuously and efficiently carried out;
In the actual production process, the materials to be silk-screened are various, the width sizes of the materials are greatly different, the currently common silk-screen printing machine material conveying mechanism is generally designed based on fixed specifications, namely, the width of a conveying channel of the material conveying mechanism is relatively fixed, when the materials with large width are encountered, the existing material conveying mechanism cannot adapt to the materials exceeding the conventional conveying width, so that the materials are difficult to convey through the conveying channel smoothly, and the use is limited, so that the need of providing the silk-screen printing machine material conveying mechanism is urgent.
The above information disclosed in this background section is only for enhancement of understanding of the background section of the application and therefore it may not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of utility model
In order to solve the problem that when a material with a large width is encountered, the conventional material conveying mechanism cannot adapt to the material exceeding the conventional conveying width, so that the material is difficult to smoothly convey through a conveying channel, the problem of limitation in use is solved.
The application provides a material conveying mechanism of a screen printing machine, which adopts the following technical scheme:
The utility model provides a material conveying mechanism of screen printing machine, includes the screen printing machine body, the middle part of screen printing machine body is equipped with the operation panel, the upper end of screen printing machine body is equipped with printing device, the positive surface fixedly connected with fixed plate of screen printing machine body, the bilateral symmetry of fixed plate is equipped with two adjustable shelves, two the equal fixedly connected with of bottom of adjustable shelf is two auto-lock universal wheels, two the inboard of adjustable shelf all is equipped with a plurality of transport rollers, two the bottom of adjustable shelf is all through bolt fixedly connected with linkage rack board, the bottom middle side fixedly connected with motor frame of fixed plate, forward and reverse rotation motor is installed to the bottom of motor frame, the output of forward and reverse rotation motor runs through the motor frame and is connected with the driving gear, the upper end rotation of driving gear is connected with the bottom surface of fixed plate, and two linkage rack board positions are opposite to be located the both sides of driving gear, and two the inboard one end of rack board is connected with the both sides meshing of driving gear respectively.
Preferably, a plurality of sliding blocks are uniformly and fixedly connected to one side, close to the fixed plate, of the upper ends of the two movable frames, and a plurality of limiting sliding rails are uniformly arranged at two ends of the inside of the fixed plate.
Preferably, the sliding blocks are respectively and slidably connected to the inside of the limiting sliding rail, and one end of the inner side of each sliding block is of a T-shaped structure.
Preferably, the plurality of transport rollers are respectively connected to the inner side surfaces of the two movable frames in a rotating mode, a servo motor is installed on the outer side of each movable frame, and the output end of the servo motor penetrates through the movable frame to be connected to one of the transport rollers.
Preferably, a plurality of the conveying rollers are fixedly provided with chain wheels on one side close to the movable frame, the inner side of the movable frame is provided with a transmission chain, and the upper ends and the lower ends of the chain wheels are respectively connected with the inner side of the transmission chain in a meshed mode.
In summary, the application has the following beneficial technical effects:
According to the utility model, the two movable frames are matched with the self-locking universal wheels at the bottoms of the movable frames so as to be convenient for horizontal movement on the two sides of the fixed plate, the movable frames can be adjusted according to the width of the materials when moving, and when encountering materials with larger width, the two movable frames can move towards the two sides under the action of the forward and reverse rotating motor, the driving gear and the linkage rack plate, so that the width of the conveying channel is enlarged, the equipment is not required to be replaced or the materials are not required to be additionally processed, the adaptability of the equipment to the materials with different widths is improved, and the production cost and the complexity of the production procedure are reduced.
Drawings
FIG. 1 is a schematic overall elevation view of an embodiment of the application;
FIG. 2 is a schematic view of the upper end structure of a movable frame according to an embodiment of the application;
FIG. 3 is a schematic view of the bottom structure of a mounting plate according to an embodiment of the present application;
Fig. 4 is a schematic view of the inner side structure of the bottom of the stationary plate and the movable frame according to the embodiment of the application.
The reference numerals indicate that 1, a silk screen printing machine body, 2, an operation table, 3, a printing device, 4, a fixed plate, 5, a movable frame, 6, a conveying roller, 7, a chain wheel, 8, a transmission chain, 9, a servo motor, 10, a self-locking universal wheel, 11, a linkage rack plate, 12, a motor frame, 13, a forward and reverse rotation motor, 14, a driving gear, 15, a limiting sliding rail, 16 and a sliding block.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses a feeding mechanism of a screen printer, referring to figures 1-3, comprising a screen printer body 1, wherein an operation table 2 is arranged in the middle of the screen printer body 1, a printing device 3 is arranged at the upper end of the screen printer body 1, a fixed plate 4 is fixedly connected to the front surface of the screen printer body 1, two movable frames 5 are symmetrically arranged on two sides of the fixed plate 4, two self-locking universal wheels 10 are fixedly connected to the bottoms of the two movable frames 5, the two movable frames 5 are matched with the self-locking universal wheels 10 on the bottoms of the two movable frames 5 to facilitate horizontal movement on two sides of the fixed plate 4, the movable frames 5 can be adjusted according to the width of a material when moving, a plurality of conveying rollers 6 are arranged on the inner sides of the two movable frames 5, the bottoms of the two movable frames 5 are fixedly connected with a linkage toothed plate 11 through bolts, a motor frame 12 is fixedly connected to the middle side of the bottom of the fixed plate 4, a forward and reverse motor 13 is arranged on the bottom of the motor frame 12, the output end of the forward and backward motor 13 penetrates through the motor frame 12 and is connected with a driving gear 14, the rotary motion of the forward and backward motor 13 is directly transmitted to the driving gear 14, the driving gear 14 rotates along with the rotary motion, the driving gear 14 is meshed with the linkage rack plates 11 at the two sides, the rotary motion is converted into the linear motion of the linkage rack plates 11, the upper end of the driving gear 14 is rotationally connected to the bottom surface of the fixed plate 4, the two linkage rack plates 11 are oppositely arranged at the two sides of the driving gear 14, the clockwise or anticlockwise rotation of the driving gear 14 drives the two linkage rack plates 11 to do opposite or opposite linear motion, one end of the inner side of the two linkage rack plates 11 is respectively meshed with the two sides of the driving gear 14, the two movable frames 5 can move towards the two sides under the actions of the forward and backward motor 13, the driving gear 14 and the linkage rack plates 11, thereby enlarge the width of conveying channel, need not to change equipment or carry out extra processing to the material, improved the adaptability of equipment to different width materials, reduced manufacturing cost and production procedure's complexity.
Referring to fig. 1-4, a plurality of sliding blocks 16 are evenly fixedly connected to one side, close to the fixed plate 4, of two movable frames 5, a plurality of limit sliding rails 15 are evenly arranged at the inner two ends of the fixed plate 4, a plurality of sliding blocks 16 are respectively connected to the inner part of the limit sliding rails 15 in a sliding mode, the movable frames 5 can move along the limit sliding rails 15, the sliding blocks 16 play a role in guiding and supporting in the limit sliding rails 15, stability and accuracy of movement of the movable frames 5 are ensured, one end, close to the inner side, of the plurality of sliding blocks 16 is of a T-shaped structure, the T-shaped structure can play a role in limiting sliding rails 15, the sliding blocks 16 are prevented from falling out of the limit sliding rails 15, a plurality of conveying rollers 6 are respectively connected to the inner side surfaces of the two movable frames 5, a servo motor 9 is arranged on the outer side of the movable frames 5, the output end of the servo motor 9 penetrates through the movable frames 5 to be connected to one conveying roller 6, when the motor is started, the conveying rollers 6 are directly driven to rotate, one side, close to the movable frames 5 are fixedly provided with 7, the inner sides of the movable frames 5 are respectively provided with driving chains 8, the chain wheels 7 are respectively arranged on the inner sides of the movable frames 5, the chain wheels 7 are respectively, the chain wheels are driven by the chain wheels 7 are not to be meshed with the chain wheels 6, and the chain wheels are driven by the chain wheels to rotate smoothly, and the chain wheels are driven by the chain wheels 8 to rotate, and even the chain wheels are not in parallel with the chain wheels are driven by the chain wheels, and the chain wheels are driven by the chain wheels to rotate, and the chain wheels are continuously and stably and synchronously driven by the chain wheels, and the chain wheels are meshed with the chain wheels.
When the material conveying mechanism of the silk screen printing machine is specifically used, firstly, whether the position of the movable frame 5 needs to be adjusted is judged according to the width of a material, if the material is wider, a forward and reverse rotation motor 13 on a motor frame 12 at the bottom of the fixed plate 4 is started, the output end of the motor drives a driving gear 14 to rotate, the driving gear 14 is meshed with linkage rack plates 11 at two sides, the linkage rack plates 11 drive self-locking universal wheels 10 at the bottom of the movable frame 5 to move, so that the two movable frames 5 expand towards two sides, then the material is placed on conveying rollers 6 at the inner side of the movable frame 5, a servo motor 9 at the outer side of the movable frame 5 is started to drive one of the conveying rollers 6, the conveying rollers 6 drive other conveying rollers 6 to synchronously rotate through a chain wheel 7 and a transmission chain 8, and in the moving process of the movable frame 5, a sliding block 16 at the upper end of the conveying roller slides in a limiting sliding rail 15 of the fixed plate 4, so that the moving stability and the moving accuracy of the movable frame 5 are ensured, and the effective conveying and adaptation of the materials with different widths are realized.
In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, where "up," "down," "left," "right," etc. are merely used to indicate relative positional relationships, and when the absolute position of an object to be described changes, the relative positional relationships may change;
in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other without conflict;
finally, the foregoing description of the preferred embodiment of the utility model is provided for the purpose of illustration only, and is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.