Double-color silk-screen printing system

Abstract

The utility model discloses a double-color silk-screen printing system which comprises a first automatic silk-screen printing machine, a first baking conveying line, a first steering conveying table, a first air cooling conveying line, a second automatic silk-screen printing machine, a second baking conveying line, a second steering conveying table and a second air cooling conveying line. The first baking conveying line, the first air cooling conveying line, the second baking conveying line and the second air cooling conveying line are arranged side by side. According to the double-color silk-screen printing system, a plurality of automatic devices are connected together, the production efficiency of double-color printing can be obviously improved, meanwhile, continuous S-shaped arrangement is achieved through the first steering conveying table and the second steering conveying table, and the requirement for space is lowered.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printing, in particular to a double-color screen printing system. Background Art

[0002] Screen printing is a printing technology that uses screen printing equipment to print designed patterns on the products to be printed. At present, there are many types of fully automatic screen printing equipment on the market, but due to the limitation of printing principles, only one color can be printed at a time. If you want to print two-color or multi-color patterns on the substrate, you need to change the screen after printing one color to print the second color, which has extremely low production efficiency. Although the method of multiple devices does not require the replacement of screens, the transportation process is also time-consuming and labor-intensive. In addition to low efficiency, manual handling has a certain impact on product quality. In addition, multiple devices and multiple workstations also have relatively high space requirements.

[0003] Therefore, the prior art needs to be improved. Utility Model Content

[0004] In view of this, the utility model provides a two-color screen printing system, which is used to solve the problem of low efficiency of two-color printing in the screen printing equipment in the prior art.

[0005] To achieve one or part or all of the above purposes or other purposes, the utility model proposes a two-color screen printing system, including a first automatic screen printer, a first baking conveyor line, a first air-cooling conveyor line, a first turning conveyor platform, a second automatic screen printer, a second baking conveyor line, a second air-cooling conveyor line and a second turning conveyor platform; the first baking conveyor line, the first air-cooling conveyor line, the second baking conveyor line and the second air-cooling conveyor line are arranged side by side; the upper feeding end of the first baking conveyor line is connected to the discharge port of the first automatic screen printer, the discharge end of the first air-cooling conveyor line is connected to the feed port of the second automatic screen printer, and the feeding end of the second baking conveyor line is connected to the discharge port of the second automatic screen printer; the two ends of the first turning conveyor platform are respectively connected to the discharge end of the first baking conveyor line and the feed end of the first air-cooling conveyor line, so as to receive the products sent from the discharge end of the first baking conveyor line and transfer them to the feed end of the first air-cooling conveyor line; the two ends of the second turning conveyor platform are respectively connected to the discharge end of the second baking conveyor line and the feed end of the second air-cooling conveyor line, so as to receive the products sent from the discharge end of the second baking conveyor line and transfer them to the feed end of the second air-cooling conveyor line.

[0006] Preferably, the first steering conveyor platform includes a steering frame and a receiving belt assembly, a lifting assembly, a transverse linear module, and a feeding belt assembly installed on the steering frame. The receiving belt assembly is used to receive the products sent out by the first baking conveyor line, the lifting assembly is used to lift and receive the products on the receiving belt assembly, the transverse linear module is used to drive the lifting assembly to move back and forth between the receiving belt assembly and the feeding belt assembly, and the feeding belt assembly is used to receive the products and send them into the first air-cooling conveyor line when the lifting assembly descends.

[0007] Preferably, the material receiving belt assembly includes two groups of belt groups, each group of belt groups includes a number of belt units arranged side by side, the lifting assembly includes a number of long side suction strips, a transverse suction strip and a lifting drive element, a number of the long side suction strips are installed side by side on the transverse suction strip on a horizontal plane, the transverse suction strip is installed at the output end of the lifting drive element, the long side suction strips and the transverse suction strips can be lifted and lowered through the gaps between the number of the belt units, and the lifting drive element is used to drive the long side suction strips and the transverse suction strips to rise or fall above or below the belt unit.

[0008] Preferably, the belt group also includes a rotating shaft, and the belt unit includes a first driving wheel, a first driven wheel, a sub-support frame, and a material receiving belt. The first driving wheel is fixedly mounted on the rotating shaft and rotates synchronously with the rotating shaft, the first driven wheel is rotatably installed on the sub-support frame, and the material receiving belt is mounted on the first driving wheel and the first driven wheel; the material receiving belt assembly also includes a driving motor for driving the rotating shaft to rotate.

[0009] Preferably, the material receiving belt assembly also includes a linkage belt, the drive motor is transmission-connected to the rotating shaft in any one of the belt groups, the linkage belt transmission-connects the rotating shafts in the two belt groups, and the linkage belt is arranged on the side of the material receiving belt assembly away from the feeding belt assembly.

[0010] Preferably, the material receiving belt assembly further comprises a tensioning wheel, which is height-adjustably mounted on the steering frame and is used to adjust the tension of the linkage belt.

[0011] Preferably, the sub-support frame includes a main mounting plate and a secondary mounting plate, the main mounting plate is fixedly mounted on the steering frame, the secondary mounting plate is adjustably mounted on one end of the main mounting plate, the first driven wheel is mounted on the secondary mounting plate, and the distance between the first driven wheel and the first driving wheel can be adjusted by adjusting the position of the secondary mounting plate, so as to tighten the material receiving belt.

[0012] Preferably, a control panel is also provided on the steering frame for controlling the operation of the material receiving belt assembly, the jacking assembly, the transverse linear module, and the feeding belt assembly.

[0013] Preferably, the transverse linear module includes a transverse guide rail, a slider and a transverse motor. The slider can be slidably mounted on the guide rail, the lifting assembly is mounted on the slider, and the transverse motor is used to drive the slider to move laterally along the guide rail.

[0014] Preferably, a first discharging robot is provided on the discharging port of the first automatic screen printing machine, which is used to transfer the products processed on the first automatic screen printing machine to the first baking conveyor line; a second discharging robot is provided on the discharging port of the second automatic screen printing machine, which is used to transfer the products processed on the second automatic screen printing machine to the second baking conveyor line.

[0015] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0016] The use of two automatic screen printing machines in conjunction with baking and air-cooling conveyor lines in series realizes fully automatic two-color printing, which greatly improves production efficiency and product quality. Through the use of the first turning conveyor table and the second turning conveyor table, the entire production line is realized in a continuous S shape, reducing the requirements for layout space. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] in:

[0019] Figure 1 This is a schematic diagram of the top view of a two-color screen printing system according to an embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of a two-color screen printing system according to an embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the first turning and conveying platform in an embodiment of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of a material receiving belt assembly in one embodiment of the utility model;

[0023] Figure 5It is a side structural schematic diagram of a belt unit in an embodiment of the utility model;

[0024] Figure 6 It is a side structural schematic diagram of a jacking assembly in an embodiment of the utility model;

[0025] Figure 7 It is a schematic diagram of the top view of the position relationship between the jacking assembly and the material receiving belt assembly in the initial position in one embodiment of the utility model.

[0026] The reference numerals are as follows: 1. first automatic screen printing machine; 11. first discharging manipulator; 2. first baking conveyor line; 21. tunnel furnace; 3. first air cooling conveyor line; 31. air cooling equipment; 4. first turning conveyor platform; 41. turning frame; 42. receiving belt assembly; 42a. belt group; 421. belt unit; 4211. first driving wheel; 4212. first driven wheel; 4213. sub-support frame; 42131. main mounting plate; 42132. auxiliary mounting plate; 42 14. Material receiving belt; 422. Rotating shaft; 423. Driving motor; 424. Linking belt; 425. Transmission belt; 426. Tensioning wheel; 43. Lifting assembly; 431. Long side suction strip; 432. Horizontal suction strip; 433. Lifting drive element; 44. Transverse linear module; 45. Feeding belt assembly; 46. Control panel; 5. Second automatic screen printing machine; 51. Second discharging robot; 6. Second baking conveyor line; 7. Second air cooling conveyor line; 8. Second steering conveyor platform. DETAILED DESCRIPTION

[0027] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0029] It is understood that the singular forms "a", "an" and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0030] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to another element or there may be a centered element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only. In the present utility model, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle" and the like is based on the orientation or positional relationship shown in the accompanying drawings. These terms are mainly for better describing the present utility model and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, the above-mentioned part of the terms may be used to express other meanings in addition to being used to express orientation or positional relationship, for example, the term "upper" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present utility model can be understood according to the specific circumstances.

[0031] In addition, the terms "disposed", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0032] Reference Figures 1 to 7An embodiment of the utility model provides a two-color screen printing system, including a first automatic screen printing machine 1, a first baking conveyor line 2, a first air-cooling conveyor line 3, a first turning conveyor platform 4, a second automatic screen printing machine 5, a second baking conveyor line 6, a second air-cooling conveyor line 7 and a second turning conveyor platform 8; the first baking conveyor line 2, the first air-cooling conveyor line 3, the second baking conveyor line 6 and the second air-cooling conveyor line 7 are arranged side by side; the feeding end of the first baking conveyor line 2 is connected to the discharge port of the first automatic screen printing machine 1, and the discharge end of the first air-cooling conveyor line 3 is connected to the feeding port of the second automatic screen printing machine 5, The loading end of the second baking conveyor line 6 is connected to the discharge port of the second automatic screen printer 5; the two ends of the first turning conveyor platform 4 are respectively connected to the discharge end of the first baking conveyor line 2 and the loading end of the first air-cooling conveyor line 3, and are used to receive the products sent from the discharge end of the first baking conveyor line 2 and transfer them to the discharge end of the first air-cooling conveyor line 3; the two ends of the second turning conveyor platform 8 are respectively connected to the discharge end of the second baking conveyor line 6 and the loading end of the second air-cooling conveyor line 7, and are used to receive the products sent from the discharge end of the second baking conveyor line 6 and transfer them to the loading end of the second air-cooling conveyor line 7. The first automatic screen printer 1 is used to print the first color pattern, and the second automatic screen printer 5 is used to print the second color pattern; the first baking conveyor line 2 and the second baking conveyor line 6 are both provided with a tunnel furnace 21 for heating and drying products, and the first air-cooling conveyor line 3 and the second air-cooling conveyor line 7 are both provided with air-cooling equipment 31 for dissipating heat and cooling the products.

[0033] During work, workers put the products to be printed into the feed port of the first automatic screen printing machine 1, and the first automatic screen printing machine 1 automatically completes the first color printing of the products. After the products arrive at the discharge port, they are transferred to the loading end of the first baking conveyor line 2, and flow from the loading end of the first baking conveyor line 2 through the tunnel furnace 21 from front to back to the discharge end of the first baking conveyor line 2, and then are taken over by the first turning conveyor platform 4, and moved horizontally to the loading end of the first air-cooling conveyor line 3, and then conveyed to the first air-cooling conveyor line 3, and on the first air-cooling conveyor line 3, they pass through the air cooling device 31 from back to front to the discharge end of the first air-cooling conveyor line 3, and then are sent to the second automatic screen printing machine 5 to complete the second color operation. After the second color printing is completed, the baking, turning and air cooling operations are carried out in sequence, and finally reach the discharge end of the second air-cooling conveyor line 7, and then are collected by workers or flow into the collecting device.

[0034] In some optional embodiments, such as Figures 1 to 7As shown, the first steering conveyor platform 4 includes a steering frame 41 and a receiving belt assembly 42, a lifting assembly 43, a transverse linear module 44, and a feeding belt assembly 45 installed on the steering frame 41. The receiving belt assembly 42 is used to receive the products sent out by the first baking conveyor line 2, the lifting assembly 43 is used to lift and receive the products on the receiving belt assembly 42, the transverse linear module 44 is used to drive the lifting assembly 43 to move back and forth between the receiving belt assembly 42 and the feeding belt assembly 45, and the feeding belt assembly 45 is used to receive the products and send them to the first air-cooling conveyor line 3 when the lifting assembly 43 descends. In some optional embodiments, the receiving belt assembly 42 has the same structure as the feeding belt assembly 45, and the working conveying directions are opposite.

[0035] In some optional embodiments, such as Figures 3 to 5 As shown, the material receiving belt assembly 42 includes two belt groups 42a, each belt group 42a includes a plurality of belt units 421 arranged side by side, the lifting assembly 43 includes a plurality of long side suction strips 431, a transverse suction strip 432 and a lifting drive element 433, a plurality of the long side suction strips 431 are installed side by side on the transverse suction strip 432 on a horizontal plane, the transverse suction strip 432 is installed at the output end of the lifting drive element 433, the long side suction strips 431 and the transverse suction strips 432 can be lifted and lowered through the gaps between the plurality of belt units 421, that is, in the initial position, the long side suction strips 431 and the transverse suction strips 432 are staggered with the belt unit 421 in the horizontal direction, and the lifting drive element 433 is used to drive the long side suction strips 431 and the transverse suction strips 432 to rise or fall to above or below the belt unit 421. In some optional embodiments, the lifting drive element 433 is a cylinder. In this example, the two belt groups 42a are symmetrically arranged front to back and form a certain gap between them for the transverse suction strip 432 to pass through when lifted or lowered.

[0036] In some optional embodiments, such as Figures 1 to 7 As shown, the belt group 42a further includes a rotating shaft 422, the belt unit 421 includes a first driving wheel 4211, a first driven wheel 4212, a sub-support frame 4213, and a material receiving belt 4214, the first driving wheel 4211 is fixedly sleeved on the rotating shaft 422 and rotates synchronously with the rotating shaft 422, the first driven wheel 4212 is rotatably installed on the sub-support frame 4213, and the material receiving belt 4214 is sleeved on the first driving wheel 4211 and the first driven wheel 4212; the material receiving belt assembly 42 further includes a driving motor 423 for driving the rotating shaft 422 to rotate. When working, multiple material receiving belts 4214 jointly receive products.

[0037] In some optional embodiments, such as Figures 1 to 7 As shown, the material receiving belt assembly 42 further includes a linkage belt 424, the driving motor 423 is connected to the rotating shaft 422 in any one of the belt groups 42a, the linkage belt 424 is connected to the rotating shafts 422 in the two belt groups 42a, and the linkage belt 424 is arranged on the side of the material receiving belt assembly 42 away from the feeding belt assembly 45 so as not to interfere with the lateral movement of the lifting assembly 43. Specifically, a synchronous wheel is respectively installed at the same end of the two rotating shafts 422, and the linkage belt 424 is sleeved on the two synchronous wheels. A second driven wheel is also arranged on one of the rotating shafts 422, and a second driving wheel is arranged at the output end of the driving motor 423, and the second driven wheel is connected to the second driving wheel through a transmission belt 425.

[0038] In some optional embodiments, such as Figures 1 to 7 As shown, the material receiving belt assembly 42 also includes a tensioning wheel 426 , which is installed on the steering frame 41 in an adjustable height and is used to adjust the tension of the linkage belt 424 .

[0039] In some optional embodiments, such as Figure 4 and Figure 5 As shown, the sub-support frame 4213 includes a main mounting plate 42131 and a sub-mounting plate 42132, the main mounting plate 42131 is fixedly mounted on the steering frame 41, the sub-mounting plate 42132 is positionally adjustable and mounted on one end of the main mounting plate 42131, the first driven wheel 4212 is mounted on the sub-mounting plate 42132, and the distance between the first driven wheel 4212 and the first driving wheel 4211 can be adjusted by adjusting the position of the sub-mounting plate 42132, so as to tighten the material receiving belt 4214.

[0040] In some optional embodiments, such as Figure 4 and Figure 5 As shown, a control panel 46 is also provided on the steering frame 41, and the control panel 46 is communicatively connected with the material receiving belt assembly 42, the lifting assembly 43, the transverse linear module 44, and the feeding belt assembly 45, and is used to control the operation of the material receiving belt assembly 42, the lifting assembly 43, the transverse linear module 44, and the feeding belt assembly 45.

[0041] In some optional embodiments, the transverse linear module 44 includes a transverse guide rail, a slider and a transverse motor. The slider can be slidably installed on the guide rail, and the lifting assembly 43 is installed on the slider. Specifically, the main body of the lifting drive element 433 is fixedly installed on the slider, and the transverse motor is used to drive the slider to move laterally along the guide rail.

[0042] In some optional embodiments, the first turning and conveying platform 4 has the same structure as the second turning and conveying platform 8. The first turning and conveying platform 4 and the second turning and conveying platform 8 adopt the above structure, and the transfer and reversing process is simple and reliable.

[0043] In some optional embodiments, a first discharging robot 11 is provided at the discharging port of the first automatic screen printing machine 1, which is used to transfer the products processed on the first automatic screen printing machine 1 to the first baking conveyor line 2; a second discharging robot 51 is provided at the discharging port of the second automatic screen printing machine 5, which is used to transfer the products processed on the second automatic screen printing machine 5 to the second baking conveyor line 6.

[0044] In some optional embodiments, the first automatic screen printing machine 1 and the second automatic screen printing machine 5 have the same structure.

[0045] The two-color screen printing system provided by the embodiment of the utility model has the following beneficial effects:

[0046] Two automatic screen printing machines are used in series with baking and air-cooling conveyor lines to realize fully automatic two-color printing, which greatly improves production efficiency. Through the use of the first turning conveyor platform 4 and the second turning conveyor platform 8, the entire production line is realized in a continuous S shape, reducing the requirements for layout space.

[0047] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A two-color screen printing system, characterized in that: It includes a first automatic screen printing machine, a first baking conveyor line, a first air-cooling conveyor line, a first turning conveyor platform, a second automatic screen printing machine, a second baking conveyor line, a second air-cooling conveyor line and a second turning conveyor platform; the first baking conveyor line, the first air-cooling conveyor line, the second baking conveyor line and the second air-cooling conveyor line are arranged side by side; the loading end of the first baking conveyor line is connected to the discharge port of the first automatic screen printing machine, the discharge end of the first air-cooling conveyor line is connected to the feed port of the second automatic screen printing machine, and the loading end of the second baking conveyor line is connected to the discharge port of the second automatic screen printing machine; the two ends of the first turning conveyor platform are respectively connected to the discharge end of the first baking conveyor line and the loading end of the first air-cooling conveyor line, so as to receive the products sent from the discharge end of the first baking conveyor line and transfer them to the loading end of the first air-cooling conveyor line; the two ends of the second turning conveyor platform are respectively connected to the discharge end of the second baking conveyor line and the loading end of the second air-cooling conveyor line, so as to receive the products sent from the discharge end of the second baking conveyor line and transfer them to the loading end of the second air-cooling conveyor line.

2. The two-color screen printing system according to claim 1, characterized in that: The first steering conveyor platform includes a steering frame and a receiving belt assembly, a lifting assembly, a transverse linear module, and a feeding belt assembly installed on the steering frame. The receiving belt assembly is used to receive the products sent out by the first baking conveyor line. The lifting assembly is used to lift and receive the products on the receiving belt assembly. The transverse linear module is used to drive the lifting assembly to move back and forth between the receiving belt assembly and the feeding belt assembly. The feeding belt assembly is used to receive the products and send them into the first air-cooling conveyor line when the lifting assembly descends.

3. The two-color screen printing system according to claim 2, characterized in that: The material receiving belt assembly includes two groups of belt groups, each group of belt groups includes a number of belt units arranged side by side, the lifting assembly includes a number of long side suction strips, a transverse suction strip and a lifting drive element, a number of the long side suction strips are installed side by side on the transverse suction strip on a horizontal plane, the transverse suction strip is installed at the output end of the lifting drive element, the long side suction strips and the transverse suction strips can pass through the gaps between the number of the belt units and lift, and the lifting drive element is used to drive the long side suction strips and the transverse suction strips to rise or fall to above or below the belt unit.

4. The two-color screen printing system according to claim 3, characterized in that: The belt group also includes a rotating shaft, and the belt unit includes a first driving wheel, a first driven wheel, a sub-support frame, and a material receiving belt. The first driving wheel is fixedly mounted on the rotating shaft and rotates synchronously with the rotating shaft. The first driven wheel is rotatably installed on the sub-support frame, and the material receiving belt is mounted on the first driving wheel and the first driven wheel. The material receiving belt assembly also includes a driving motor for driving the rotating shaft to rotate.

5. The two-color screen printing system according to claim 4, characterized in that: The material receiving belt assembly also includes a linkage belt, the drive motor is transmission-connected to the rotating shaft in any one of the belt groups, the linkage belt transmission-connects the rotating shafts in the two belt groups, and the linkage belt is arranged on the side of the material receiving belt assembly away from the feeding belt assembly.

6. The two-color screen printing system according to claim 5, characterized in that: The material receiving belt assembly also includes a tensioning wheel, which is installed on the steering frame in an adjustable height and is used to adjust the tension of the linkage belt.

7. The two-color screen printing system according to claim 4, characterized in that: The sub-support frame includes a main mounting plate and a secondary mounting plate, the main mounting plate is fixedly mounted on the steering frame, the secondary mounting plate is positionally adjustable and mounted on one end of the main mounting plate, the first driven wheel is mounted on the secondary mounting plate, and the distance between the first driven wheel and the first driving wheel can be adjusted by adjusting the position of the secondary mounting plate, so as to tighten the material receiving belt.

8. The two-color screen printing system according to claim 2, characterized in that: The steering frame is also provided with a control panel for controlling the operation of the material receiving belt assembly, the jacking assembly, the transverse linear module, and the feeding belt assembly.

9. The two-color screen printing system according to claim 2, characterized in that: The transverse linear module shown includes a transverse guide rail, a slider and a transverse motor. The slider can be slidably installed on the guide rail, the lifting assembly is installed on the slider, and the transverse motor is used to drive the slider to move laterally along the guide rail.

10. The two-color screen printing system according to claim 1, characterized in that: A first discharging robot is provided on the discharging port of the first automatic screen printing machine, which is used to transfer the products processed on the first automatic screen printing machine to the first baking conveyor line; a second discharging robot is provided on the discharging port of the second automatic screen printing machine, which is used to transfer the products processed on the second automatic screen printing machine to the second baking conveyor line.

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