阅读说明：本技术 一种丝网印刷机 (Screen printing machine ) 是由 刘颖璇 卞敬培 于 2020-12-23 设计创作，主要内容包括：本发明涉及一种丝网印刷机,包括印刷底座、导料固定装置和印刷装置,印刷底座上端开设有印刷槽,印刷槽下端内壁上设置有导料固定装置,印刷装置设置在印刷底座上端；本发明通过将一机多能的方式,通过一个驱动单元同时带动横向与纵向的夹持固定,从而解决了金属板材在自动化进给过程中,印刷器难以对进给中的金属板材进行有效的印刷作业,同时通过横向与纵向夹持固定机构对金属板材以定位的方式进行夹持,同时也使得印刷更加精密,使得该工件误差率降低。(The invention relates to a screen printing machine, which comprises a printing base, a material guide fixing device and a printing device, wherein the upper end of the printing base is provided with a printing groove, the inner wall of the lower end of the printing groove is provided with the material guide fixing device, and the printing device is arranged at the upper end of the printing base; the invention simultaneously drives the transverse and longitudinal clamping and fixing by a driving unit in a multifunctional mode, thereby solving the problem that a printer is difficult to effectively print the fed metal plate in the automatic feeding process of the metal plate, simultaneously clamping the metal plate in a positioning mode by the transverse and longitudinal clamping and fixing mechanisms, simultaneously ensuring that the printing is more precise and reducing the error rate of the workpiece.)

1. The utility model provides a screen printer, includes printing base (1), guide fixing device (2) and printing device (3), its characterized in that: a printing groove is formed in the upper end of the printing base (1), a material guide fixing device (2) is arranged on the inner wall of the lower end of the printing groove, and the printing device (3) is arranged at the upper end of the printing base (1);

the material guide fixing device (2) comprises a driving motor (21), a rotating roller (22), a material guide belt (23), a bearing platform (24), a guide roller (25), a driving cylinder (26), an Contraband type lifting frame (27), a transverse clamping mechanism (28) and a longitudinal fixing mechanism (29), wherein a motor cavity is formed in the inner wall of the rear end of the printing tank, the driving motor (21) is arranged on the inner wall of the rear end of the motor cavity through a motor base, the rotating roller (22) is bilaterally symmetrical and is arranged between the inner walls of the front end and the rear end of the printing tank through bearings, the output end of the driving motor (21) is connected with the rotating roller (22) positioned on the rear side through a coupling, the material guide belt (23) is symmetrically sleeved on the outer wall of the rotating roller (22) in the front-back direction, the bearing platform (24) is erected between the inner walls of the front end and the rear end of the printing, a driving cylinder (26) is arranged on the inner wall of the lower end of the printing groove, an Contraband-type lifting frame (27) is arranged at the upper end of the driving cylinder (26), transverse clamping mechanisms (28) are symmetrically arranged on the inner walls of the left end and the right end of the Contraband-type lifting frame (27), and longitudinal fixing mechanisms (29) are symmetrically arranged at the front end and the rear end of the printing groove;

the transverse clamping mechanism (28) comprises a guide groove (281), a guide rod (282), a feeding plate (283), a sliding rod (284), a positioning extrusion plate (285) and an extrusion spring (286), wherein the inner walls of the front end and the rear end of the printing groove are bilaterally symmetrically provided with the guide groove (281), the upper end of the Contraband-type lifting frame (27) is bilaterally symmetrically provided with the clamping groove, the feeding plate (283) is connected with the clamping groove in a sliding mode, the front end and the rear end of the feeding plate (283) are symmetrically provided with the guide rod (282), the guide rod (282) is connected with the guide groove (281) in a sliding mode, the sliding rod (284) is arranged at the inner end of the feeding plate (283) in a sliding mode, the inner end of the sliding rod (284) is provided with the positioning extrusion plate (285), and the extrusion spring (286) is arranged;

the longitudinal fixing mechanism (29) comprises a sliding column (291), an auxiliary rod (292), a steel cable connector (293), a connecting steel cable (294), a wheel rotating frame (295), a turning wheel (296), a sliding extrusion block (297) and an auxiliary spring (298), wherein feeding grooves are symmetrically formed in the inner walls of the front end and the rear end of the printing groove, the sliding column (291) is arranged between the inner walls of the upper end and the lower end of the feeding groove, the auxiliary rod (292) is symmetrically arranged at the front end and the rear end of the Contraband type lifting frame (27), the auxiliary rod (292) is connected with the sliding column (291) in a sliding mode, the steel cable connector (293) is arranged at the outer end of the auxiliary rod (292), fixing grooves are symmetrically formed in the inner walls of the front end and the rear end of the printing groove, the sliding extrusion block (297) is connected with the fixing grooves in a sliding mode, the auxiliary spring (298) is arranged at the, a rotary wheel frame (295) is arranged on the inner wall of the upper end of the fixing groove, and a turning wheel (296) is arranged between two side walls of the rotary wheel frame (295) through a bearing.

2. The screen printing machine according to claim 1, wherein: the connecting steel cable (294) is sleeved on the outer wall of the direction-changing wheel (296).

3. The screen printing machine according to claim 1, wherein: the inner ends of the sliding extrusion block (297) and the positioning extrusion plate (285) are provided with rubber cushions.

4. The screen printing machine according to claim 1, wherein: and an S-shaped grain road cushion is arranged on the outer wall of the material guide belt (23).

5. The screen printing machine according to claim 1, wherein: printing device (3) including lift seat (31), auxiliary motor (32), screw thread post (33), moving platform (34), support frame (35), supporting slider (36), reset spring (37), electronic slider (38) and printing ware (39), lift seat (31) set up in printing base (1) upper end, be provided with auxiliary motor (32) through the motor cabinet on lift seat (31) upper end inner wall, auxiliary motor (32) output lower extreme is provided with screw thread post (33), moving platform (34) are connected with screw thread post (33) through threaded connection mode, both ends symmetry is provided with support frame (35) about moving platform (34), supporting slider (36) set up at support frame (35) lower extreme through the slip mode, supporting slider (36) upper end is provided with reset spring (37).

6. The screen printing machine according to claim 5, wherein: the lower end of the moving platform (34) is provided with a moving slide rail, the electric slide block (38) is connected with the moving slide rail in a sliding mode, and the lower end of the electric slide block (38) is provided with a printer (39).

Technical Field

The invention belongs to the technical field of plate printing, and particularly relates to a screen printing machine.

Background

The screen printing machine is a machine for printing by using screen printing plate, belonging to a kind of printing machine. A screen printer is a machine that prints characters and images, and is a generic name of a machine or apparatus for producing printed matters. The screen printing machine belongs to the representative printing equipment in the porous printing machine, and the material for manufacturing the screen can be nylon wire, copper wire, steel wire or stainless steel wire besides real silk.

The existing screen printer often has the following problems in the process of printing the metal sheet material: the metal plate is difficult to accurately stay at a printing position during automatic feeding, so that the metal plate is difficult to be printed in a contraposition manner in the printing process; how to carry out the centre gripping fixedly to panel at the in-process that panel automated transportation fed to and after the printing, panel still can automatic unloading, is the technical problem who remains to solve.

Disclosure of Invention

The invention aims to provide a screen printing machine which has the advantages of positioning and clamping automatically-fed plates and solves the problems.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a screen printing machine comprises a printing base, a material guide fixing device and a printing device, wherein a printing groove is formed in the upper end of the printing base, the material guide fixing device is arranged on the inner wall of the lower end of the printing groove, and the printing device is arranged at the upper end of the printing base; the material guide fixing device guides the metal plate to the printing position and fixes and clamps the metal plate, and the printing mechanism prints the positioned metal plate.

The guide fixing device comprises a driving motor, a rotating roller, a guide belt, a bearing platform, a guide roller, a driving cylinder, an Contraband type lifting frame, a transverse clamping mechanism and a longitudinal fixing mechanism, wherein a motor cavity is formed in the inner wall of the rear end of the printing groove, the driving motor is arranged on the inner wall of the rear end of the motor cavity through a motor base, the rotating roller is arranged between the inner walls of the front end and the rear end of the printing groove in a bilateral symmetry mode through bearings, the output end of the driving motor is connected with the rotating roller positioned on the rear side through a coupler, the guide belt is symmetrically sleeved on the outer wall of the rotating roller in the front and rear direction, the bearing platform is erected between the inner walls of the front end and the rear end of the printing groove, the guide roller is arranged between the inner walls of the front end and the rear end of the printing groove in a bilateral symmetry mode through bearings, the driving cylinder is arranged on the inner, longitudinal fixing mechanisms are symmetrically arranged at the front end and the rear end of the printing groove; the driving motor drives the metal plate to be fed through the rotating roller and the guide belt, the bearing platform and the guide roller prevent the guide belt from being extruded and deformed by the metal plate, and the driving cylinder drives the Contraband type lifting frame to be fed upwards, so that the transverse clamping mechanism and the longitudinal fixing mechanism are driven to clamp and fix the metal plate together.

The transverse clamping mechanism comprises a guide groove, a guide rod, a feeding plate, a sliding rod, a positioning extrusion plate and an extrusion spring, wherein the guide groove is symmetrically formed in the inner walls of the front end and the rear end of the printing groove in a left-right mode, the clamping groove is symmetrically formed in the upper end of the Contraband type lifting frame in a left-right mode, the feeding plate is connected with the clamping groove in a sliding mode, the guide rod is symmetrically arranged at the front end and the rear end of the feeding plate, the guide rod is connected with the guide groove in a sliding mode, the sliding rod is arranged at the inner end of the feeding plate in a sliding mode, the positioning extrusion plate is arranged at the inner end of the sliding rod; when Contraband type crane upwards feeds, the feeding plate upwards feeds along the guide way orbit slant to carry out effective centre gripping through the location stripper plate with both ends about sheet metal, the extrusion spring makes the better centre gripping to sheet metal of location stripper plate.

Longitudinal fixing mechanism include the slip post, the auxiliary rod, the cable wire connector, the connecting cable wire, the runner frame, the diversion wheel, slip extrusion piece and auxiliary spring, the feeding groove has been seted up to the symmetry on the both ends inner wall around the printing groove, be provided with the slip post between the upper and lower both ends inner wall of feeding groove, both ends symmetry is provided with the auxiliary rod around the Contraband type crane, the auxiliary rod is connected with the slip post through the slip mode, the auxiliary rod outer end is provided with the cable wire connector, the fixed slot has been seted up to the symmetry on the both ends inner wall around the printing groove, the slip extrusion piece is connected with the fixed slot through the slip mode, the slip extrusion piece outer end is provided with auxiliary spring, the cable wire connector is connected with the slip extrusion piece through the connecting cable wire, be provided with the runner. When Contraband type crane upwards fed, auxiliary rod and cable wire connector upwards fed to make connecting cable wire locking to the pulling of extrusion piece that slides, thereby make auxiliary spring drive extrusion piece inwards feed, thereby make extrusion piece that slides carry out the centre gripping with both ends around sheet metal and fix.

As a preferred scheme of the invention, the connecting steel cable is sleeved on the outer wall of the turning wheel. The diverting wheel diverts the connecting wire rope.

In a preferable scheme of the invention, the inner ends of the sliding extrusion block and the positioning extrusion plate are respectively provided with a rubber cushion. The rubber cushion prevents the transverse clamping mechanism and the longitudinal fixing mechanism from damaging the metal plates in clamping.

As a preferable scheme of the invention, an S-shaped grain road cushion is arranged on the outer wall of the material guiding belt.

As a preferable scheme of the invention, the printing device comprises a lifting seat, an auxiliary motor, a threaded column, a moving platform, a support frame, a support slider, a reset spring, an electric slider and a printer, wherein the lifting seat is arranged at the upper end of a printing base, the inner wall of the upper end of the lifting seat is provided with the auxiliary motor through a motor seat, the lower end of the output end of the auxiliary motor is provided with the threaded column, the moving platform is connected with the threaded column in a threaded connection mode, the left end and the right end of the moving platform are symmetrically provided with the support frame, the support slider is arranged at the lower end of the support frame in a sliding mode, and the. The auxiliary motor drives the moving platform to feed downwards through the thread fit between the thread column and the moving platform, so that the printer collides against the upper end face of the metal plate, the printer is driven to feed through the electric slider, the metal plate is printed, and patterns are printed on the metal plate. The supporting slide block and the position spring are mutually matched to prevent the moving platform from colliding with the printing base when feeding downwards.

As a preferable scheme of the invention, the lower end of the movable platform is provided with a movable slide rail, the electric slide block is connected with the movable slide rail in a sliding mode, and the lower end of the electric slide block is provided with a printer.

The invention has the beneficial effects that:

1. the invention simultaneously drives the transverse and longitudinal clamping and fixing by a driving unit in a multifunctional mode, thereby solving the problem that a printer is difficult to effectively print the fed metal plate in the automatic feeding process of the metal plate, simultaneously clamping the metal plate in a positioning mode by the transverse and longitudinal clamping and fixing mechanisms, simultaneously ensuring that the printing is more precise and reducing the error rate of the workpiece.

2. When the Contraband-type lifting frame is arranged to feed upwards, the feeding plate feeds upwards along the track of the guide groove in an inclined mode, so that the left end and the right end of the metal plate are effectively clamped through the positioning extrusion plate, and the positioning extrusion plate can better clamp the metal plate through the extrusion spring; the auxiliary rod and the steel cable connector are upwards fed, so that the connection steel cable is prevented from being pulled to the sliding extrusion block, the auxiliary spring drives the sliding extrusion block to inwards feed, and the sliding extrusion block clamps and fixes the front end and the rear end of the metal plate.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view showing a part of the structure of a material guiding fixture according to the present invention;

FIG. 4 is an enlarged view of a portion I of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic view of the longitudinal fixing mechanism of the present invention;

fig. 6 is a schematic structural view of a metal plate material to which the present invention is directed.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

As shown in fig. 1 to 6, a screen printing machine includes a printing base 1, a material guiding and fixing device 2 and a printing device 3, wherein a printing bath is disposed at the upper end of the printing base 1, the material guiding and fixing device 2 is disposed on the inner wall of the lower end of the printing bath, and the printing device 3 is disposed at the upper end of the printing base 1; the material guiding and fixing device 2 guides the metal plate to the printing position and fixes and clamps the metal plate, and the printing device 3 prints the positioned metal plate.

The material guiding and fixing device 2 comprises a driving motor 21, a rotating roller 22, a material guiding belt 23, a supporting platform 24, a guide roller 25, a driving air cylinder 26, an Contraband type lifting frame 27, a transverse clamping mechanism 28 and a longitudinal fixing mechanism 29, wherein a motor cavity is formed in the inner wall of the rear end of the printing tank, the driving motor 21 is arranged on the inner wall of the rear end of the motor cavity through a motor base, the rotating roller 22 is arranged between the inner walls of the front end and the rear end of the printing tank through bearings in bilateral symmetry, the output end of the driving motor 21 is connected with the rotating roller 22 positioned on the rear side through a coupling, the material guiding belt 23 is sleeved on the outer wall of the rotating roller 22 in front and rear symmetry, the supporting platform 24 is arranged between the inner walls of the front end and the rear end of the printing tank through bearings in bilateral symmetry, the driving air cylinder 26 is arranged on the inner wall of the lower end of the printing tank, the inner walls of the left and right ends of the Contraband-shaped lifting frame 27 are symmetrically provided with transverse clamping mechanisms 28, and the front and rear ends of the printing tank are symmetrically provided with longitudinal fixing mechanisms 29; an S-shaped grain road cushion is arranged on the outer wall of the material guide belt 23. The driving motor 21 drives the metal plate feeding and feeding through the rotating roller 22 and the material guiding belt 23, the supporting platform 24 and the guiding roller 25 prevent the material guiding belt 23 from being extruded and deformed by the metal plate, and the driving cylinder 21 drives the Contraband type lifting frame 27 to feed upwards, so as to drive the transverse clamping mechanism 28 and the longitudinal fixing mechanism 29 to clamp and fix the metal plate together. The S-shaped grain pad increases the friction force between the material guiding belt and the metal plate, so that the metal plate is automatically loaded and unloaded by the material guiding belt.

The transverse clamping mechanism 28 comprises a guide groove 281, a guide rod 282, a feeding plate 283, a sliding rod 284, a positioning extrusion plate 285 and an extrusion spring 286, the inner walls of the front end and the rear end of the printing groove are bilaterally symmetrically provided with the guide groove 281, the upper end of the Contraband-shaped lifting frame 27 is bilaterally symmetrically provided with the clamping groove, the feeding plate 283 is connected with the clamping groove in a sliding mode, the front end and the rear end of the feeding plate 283 are symmetrically provided with the guide rod 282, the guide rod 282 is connected with the guide groove 281 in a sliding mode, the sliding rod 284 is arranged at the inner end of the feeding plate 283 in a sliding mode, the inner end of the sliding rod 284 is provided with the positioning extrusion plate 285, and the extrusion spring 286 is arranged; when the Contraband type crane 27 is fed upwards, the feeding plate 283 is fed upwards along the track of the guide slot 281, so that the left and right ends of the metal sheet are effectively clamped by the positioning extrusion plate 285, and the extrusion spring 286 enables the positioning extrusion plate 285 to better clamp the metal sheet.

The longitudinal fixing mechanism 29 comprises a sliding column 291, an auxiliary rod 292, a cable connector 293, a connecting cable 294, a wheel frame 295, a turning wheel 296, a sliding pressing block 297 and an auxiliary spring 298, the feeding groove has been seted up to the symmetry on the both ends inner wall around the printing groove, be provided with between the upper and lower both ends inner wall of feeding groove sliding post 291, Contraband type crane 27 front and back both ends symmetry is provided with auxiliary rod 292, auxiliary rod 292 is connected with sliding post 291 through the slip mode, the auxiliary rod 292 outer end is provided with cable wire connector 293, the fixed slot has been seted up to the symmetry on the both ends inner wall around the printing groove, slip extrusion piece 297 is connected with the fixed slot through the slip mode, slip extrusion piece 297 outer end is provided with auxiliary spring 298, cable wire connector 293 is connected with slip extrusion piece 297 through connecting cable wire 294, be provided with runner frame 295 on the inner wall of fixed slot upper end, be provided with diversion wheel 296 through the. The connecting steel cable 294 is sleeved on the outer wall of the turning wheel 296, and rubber cushions are arranged at the inner ends of the sliding extrusion block 297 and the positioning extrusion plate 285. When the Contraband type crane 27 is fed upwards, the auxiliary rod 292 and the cable connector 293 are fed upwards, so that the connecting cable 294 prevents the sliding of the sliding extrusion block 297, and the auxiliary spring 298 drives the sliding extrusion block 297 to feed inwards, so that the sliding extrusion block 297 clamps and fixes the front and rear ends of the metal plate. The rubber cushion prevents the transverse clamping mechanism and the longitudinal fixing mechanism from damaging the metal plates in clamping.

Printing device 3 include lift seat 31, auxiliary motor 32, screw thread post 33, moving platform 34, support frame 35, supporting slide 36, reset spring 37, electric slider 38 and printing ware 39, lift seat 31 sets up in printing base 1 upper end, be provided with auxiliary motor 32 through the motor cabinet on the inner wall of lift seat 31 upper end, auxiliary motor 32 output end lower extreme is provided with screw thread post 33, moving platform 34 is connected with screw thread post 33 through the threaded connection mode, moving platform 34 left and right ends symmetry is provided with support frame 35, supporting slide 36 sets up at support frame 35 lower extreme through the slip mode, supporting slide 36 upper end is provided with reset spring 37. The lower end of the movable platform 34 is provided with a movable slide rail, the electric slide block 38 is connected with the movable slide rail in a sliding mode, and the lower end of the electric slide block 38 is provided with a printer 39. Auxiliary motor 32 passes through the screw-thread fit between screw thread post 33 and the moving platform 34, drives moving platform 34 downfeed to make printer 39 conflict sheet metal up end, driving printer 39 through electronic slider 38 and feeding, thereby print sheet metal, make on the sheet metal by the printing pattern. The support slider 36 and the return spring 37 cooperate with each other to prevent the movable platform 34 from colliding with the printing base 1 when being fed downward.

The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only to illustrate the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.