Automatic line of single-chain pneumatic tube type bottle silk-screen printing machine

Abstract

The invention discloses an automatic line of a single-chain pneumatic tube type bottle silk-screen printing machine, and aims to solve the problems of low automation level, large occupied area and high cost of the existing silk-screen printing machine. The automatic line comprises a bottle feeding device, a conveying device, a full-automatic printing machine, a baking device, a bottle discharging device, a fan and a control device. The bottle feeding device pushes materials to a lengthened pin chain of the conveying device through a rubber gear and a pushing air cylinder. The conveying equipment adopts a single-chain design, and accurate conveying of materials is achieved through a second air cylinder and a second ratchet wheel; the baking equipment performs low-temperature drying by using an electric heating tube and heat-insulating asbestos; the bottle discharging equipment achieves automatic collection of materials through a bottle discharging baffle with a slope. The control equipment adopts a PLC (Programmable Logic Controller) and a touch screen, so that the printing speed and the baking temperature can be accurately controlled, and production parameters can be displayed in real time. The automatic line adopts pneumatic control, and is simple in structure, low in cost and high in production efficiency.

Description

Technical Field

[0001] The invention belongs to the field of screen printing machines, and in particular relates to an automatic line of a single-chain pneumatic tube bottle screen printing machine. Background Art

[0002] Screen printing is a technology that uses a screen printing plate for printing. It uses a screen as a base, makes a printing plate with images and texts through photosensitive adhesive, and transfers ink to the substrate through the holes on the screen to print patterns or texts. At present, screen printing machines are widely used in advertising, packaging, electronics, textiles, glass, ceramics and other fields. With the improvement of science and technology, some screen printing machines have achieved automation to a certain extent and realized refined production. The invention patent with Chinese patent application number 202411608366.7 discloses an efficient screen printing machine with recognition function, which relates to the technical field of screen printing machines. It solves the common screen printing machines on the market. The distance between the screen plate and the support is short, and it is not convenient for workers to take and place the substrate; workers manually place the substrate and it is easy to tilt, resulting in the problem that the printed pattern is not regular in the later stage.

[0003] Although the existing printing machines have a certain level of automation, they still have defects such as requiring a lot of manual operation and errors in the printing process. Therefore, how to improve the printing accuracy, efficiency and automation of screen printing machines and solve the problems existing in the existing technology is a technical problem that needs to be solved urgently in the current field of screen printing technology. At present, the automatic lines of screen printing machines on the market mainly use motor control to drive loading and unloading, and double chain conveying, which has problems such as high cost and difficulty in programming. Summary of the invention

[0004] The purpose of the present invention is to provide a single-chain pneumatic tube bottle screen printing machine automatic line. In view of the defects of the prior art, a screen printing automatic line technology using air pressure as a power source is proposed, which effectively solves the problems of low automation level, large footprint and high cost of common screen printing machines on the market.

[0005] In order to solve the above technical problems, the following technical solutions are adopted:

[0006] A single-chain pneumatic tube bottle screen printing machine automatic line, characterized in that: the automatic line includes a bottle loading device, a conveying device, a bottle unloading device, a printing machine and a baking device, the bottle loading device is used to convey the material to be printed to the conveying device, the bottle unloading device is used to collect the printed material from the conveying device, the conveying device is used to convey the material, the printing machine is used to print the material on the conveying device, and the baking device is used to bake the printed material.

[0007] Furthermore, the bottle loading equipment includes a bottle placing box, a rubber gear, a rotating mechanism, a V-shaped groove and a pushing cylinder. The bottle placing box is provided with a rubber gear, which is driven to rotate by the rotating mechanism. The rubber gear is used to receive materials in the bottle placing box and transport the materials to the V-shaped groove by rotation. The pushing cylinder is used to push the materials on the V-shaped groove to the conveying equipment.

[0008] Furthermore, the rotating mechanism includes a first cylinder, a first ratchet and a first gear shaft. The first cylinder impacts the first ratchet to rotate, and the first ratchet is connected through the first gear shaft and drives the rubber gear to rotate.

[0009] Furthermore, the conveying equipment includes an extended pin chain, a toothed sprocket and a driving mechanism. The extended pin chain is provided with an extended pin, and the extended pin is used to receive materials; the extended pin chain is meshed with the toothed sprocket, and the chain transmission is driven by the toothed sprocket, and at least one toothed sprocket is connected to the driving mechanism; the driving mechanism includes a second cylinder, a push rod, a second ratchet and a second gear shaft, the second cylinder is connected to the push rod, the push rod is connected to and drives the second ratchet to rotate, and the second ratchet is connected through the second gear shaft and drives the corresponding toothed sprocket to rotate.

[0010] Furthermore, the second gear shaft is connected with a high-center vertical seat ball bearing and a vertical seat shaft, and the second gear shaft passes through the high-center vertical seat ball bearing and the vertical seat bearing to connect the corresponding gear sprocket.

[0011] Furthermore, the conveying equipment also includes a tensioning wheel, a tension spring and an inclined baffle. The tensioning wheel is meshed with the extended pin chain and is used to tension the extended pin chain. The tension spring acts on one of the sprockets and is used to tension the extended pin chain. The inclined baffle is used to stabilize the material on the extended pin chain.

[0012] Furthermore, the conveying device conveys the material through the baking device, and the baking device includes an electric heating tube and thermal insulation asbestos. The electric heating tube is used for heating, and the thermal insulation asbestos is used for heat preservation and insulation.

[0013] Furthermore, the bottle lowering device includes a bottle lowering channel and a bottle lowering baffle. The bottle lowering channel is connected to the conveying equipment and is used to collect fallen materials. The bottle lowering baffle is arranged in the bottle lowering channel and has a slope for pushing out materials so that the materials fall into the bottle lowering channel.

[0014] Furthermore, the automatic line also includes a control device, which includes a touch screen and a PLC controller for controlling bottle loading equipment, conveying equipment, a printing machine and baking equipment.

[0015] A working method of a single-chain pneumatic tube bottle screen printing machine automatic line, characterized by comprising the following steps:

[0016] S1. Set the baking temperature and turn on the baking equipment, place the materials in the bottle box until it is full, adjust the printing machine to the working state, then start the automatic line and adjust the speed to the lowest gear, the printing machine works once and counts;

[0017] S2, the second cylinder starts to take in air, and exhausts air after the intake is completed. During the exhaust process, the push rod drives the second ratchet wheel to rotate a tooth distance, and the second gear shaft drives the extended pin chain to move a tooth distance, and one of the extended pins is aligned with the V-shaped groove;

[0018] S3, while the second cylinder is exhausted, the first cylinder starts to take in air, driving the first ratchet to rotate, and driving the rubber gear to rotate through the first gear shaft, so that the material in the rubber gear falls into the V-shaped groove, and then the first cylinder is exhausted and reset, and the pushing cylinder is started at the same time to push the material into the extended pin aligned with the V-shaped groove;

[0019] S4. Printing the material as it passes through the printing press;

[0020] S5. The printed material is baked when passing through the baking equipment;

[0021] S6. When the baked material passes through the bottle lowering device, the bottle mouth of the material gradually separates from the extension pin under the obstruction of the bottle lowering baffle and falls into the bottle lowering channel, and the material is collected;

[0022] S7. Repeat steps S2 to S6.

[0023] The above technical solution has the following beneficial effects:

[0024] 1. The present invention realizes the automated production of tube bottles, connects the fully automatic printing machine with the baking equipment, and directly puts the printed products into the baking equipment for low-temperature drying without manual operation. Workers are only responsible for putting the tube bottles into the bottle box and the screen printing quality management work, which reduces the human resource investment cost, reduces the workload of employees and the production cost of the enterprise, and can realize the rapid and refined production of tube bottles.

[0025] 2. The present invention innovatively proposes single chain conveying, and by adopting an extended pin chain, it achieves the stability advantages of double chains and reduces equipment development costs and enterprise acquisition costs.

[0026] 3. Compared with the existing motor loading and unloading method, the present invention has the advantage of using a cylinder as a power part, which is simple to control and can achieve linkage between the printing machine and the automatic line, so that the printing machine works once and the automatic line follows accurately. The actual working speed depends on the upper limit of the printing speed of the fully automatic printing machine, and the printing effect is stable. Compared with manual production, the production efficiency is greatly improved, and the equipment manufacturing cost is much lower than the average screen printing machine automatic line cost in the market, which is more conducive to the development of small and medium-sized enterprises, expanding employment, and stimulating production motivation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention will be further described below in conjunction with the accompanying drawings:

[0028] Figure 1 It is the structural diagram of the automatic line;

[0029] Figure 2 This is the front schematic diagram of the automatic line;

[0030] Figure 3 for Figure 2 Schematic diagram of the A direction;

[0031] Figure 4 for Figure 2 Schematic diagram of the middle B direction;

[0032] Figure 5 It is a structural schematic diagram of the bottle loading equipment;

[0033] Figure 6 It is a structural schematic diagram of the conveying equipment;

[0034] Figure 7 It is a schematic diagram of an extended pin chain;

[0035] Figure 8 It is a structural schematic diagram of the bottle unloading equipment.

[0036] Among them, the accompanying drawings are marked as: frame 1, fan 11, printing machine 2, baking equipment 3, electric heating tube 31, partition 32, conveying equipment 4, extended pin chain 41, extended pin 411, sprocket 42, with vertical seat bearing 421, with high center vertical seat ball bearing 422, tensioning wheel 43, second cylinder 44, push rod 45, second ratchet 46, second gear shaft 47, tension spring 48, inclined baffle 49, bottle loading equipment 5, bottle placing box 51, rubber gear 52, pushing cylinder 53, V-groove 54, first cylinder 55, first ratchet 56, first gear shaft 57, suspension bearing 58, bottle unloading equipment 6, bottle unloading channel 61, bottle unloading baffle 62. DETAILED DESCRIPTION

[0037] The present invention aims to provide a single-chain pneumatic tube bottle screen printing machine automatic line. In view of the defects of the prior art, a screen printing automatic line technology using air pressure as a power source is proposed, which effectively solves the problems of low automation level, large floor space and high cost of common screen printing machines on the market. The technical solution of the present invention is further elaborated in combination with specific embodiments.

[0038] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0039] In the description of the present invention, it is to be understood that the terms “longitudinal”, “lateral”, “vertical”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside” and “outside” etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the internal connection between two components. It can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0041] Example 1

[0042] like Figures 1 to 4 As shown, a single-chain pneumatic tube bottle screen printing machine automatic line includes a frame 1, a bottle loading device 5, a conveying device 4, a bottle unloading device 6, a printer 2, a baking device 3 and a control device (not marked in the figure). The frame 1 is used to install the above-mentioned various devices, the bottle loading device 5 is used to convey the materials to be printed (i.e., tube bottles, the same below) to the conveying device 4, the bottle unloading device 6 is used to collect the printed materials from the conveying device 4, the conveying device 4 is used to convey the materials, the printer 2 is used to print the materials on the conveying device 4, which is a fully automatic printer 2, and the baking device 3 is used to bake the printed materials.

[0043] like Figure 5As shown, the bottle loading device 5 includes a bottle placing box 51, a rubber gear 52, a rotating mechanism, a V-shaped groove 54 and a pushing cylinder 53. The bottle placing box 51 is used to place materials. Its front and upper end faces are open, and an opening is provided at the lower end, and the opening allows materials to fall through. The rubber gear 52 is installed at the lower end of the bottle placing box 51. A tooth gap is formed between its teeth. Each tooth gap can accommodate a piece of material, and the material is driven to move downward step by step by rotation. When it rotates to the bottom, the material falls through the opening to the V-shaped groove 54 below. The rotating mechanism is used to drive the rubber gear 52 to rotate, and it includes a first cylinder 55, a first ratchet 56, a first gear shaft 57 and a suspension bearing 58. The first cylinder 55 is a mini cylinder, which can impact the first ratchet 56 to rotate when air is inhaled. The first ratchet 56 is connected through the first gear shaft 57 and drives the rubber gear 52 to rotate. The suspension bearing 58 is used to install the first gear shaft 57, so that the gear shaft passes through the suspension bearing 58 and is connected to the rubber gear 52. The number of teeth of the first ratchet 56 is the same as that of the rubber gear 52. Each time the first cylinder 55 impacts the first ratchet 56, it rotates one tooth, and synchronously drives the rubber gear 52 to rotate one tooth, so that the materials in the tooth gap of the rubber gear 52 fall one by one onto the V-shaped groove 54. The V-shaped groove 54 is located below the rubber gear 52 and the opening, and can catch the materials falling from the rubber gear 52. The pushing cylinder 53 is a mini cylinder, which is arranged in front of the V-shaped groove 54, and is used to push the materials in the rubber gear 52 onto the extended pin chain 41 of the conveying device 4. The extended pin chain 41 has an extended pin 411. During the pushing process, the extended pin 411 is gradually inserted into the material bottle mouth, so that the materials are stably suspended on the extended pin chain 41.

[0044] like Figure 6 As shown, the conveying device 4 includes an extended pin chain 41, a toothed sprocket 42, a tension wheel 43 and a driving mechanism. The extended pin chain 41 is a single chain, which is provided with an extended pin 411. The extended pin 411 is used to receive and hang materials, thereby driving the materials to follow the extended pin chain 41. The extended pin chain 41 is provided with an extended pin 411 every 4 sections, and can also be provided every 2 sections, 3 sections or 5 sections. The extended pin chain 41 is meshed with the toothed sprocket 42, and the chain transmission is driven by the toothed sprocket 42, such as Figure 6As shown, there are 9 toothed sprockets 42, which are 4-24 toothed sprockets 42; one of the toothed sprockets 42 is connected to the driving structure, which includes a second cylinder 44, a push rod 45, a second ratchet 46 and a second gear shaft 47. The second cylinder 44 is connected to the push rod 45, and the push rod 45 is connected to the second ratchet 46. Under the drive of the cylinder, the second ratchet 46 is driven to rotate by the push rod 45, and the second ratchet 46 is connected to and drives the toothed sprocket 42 through the second gear shaft 47, thereby driving the extension pin 411 to connect and move forward. Every time the second cylinder 44 drives the second ratchet 46 to rotate once, the extension pin chain 41 moves forward once. In order to improve stability, the second gear shaft 47 passes through the belt high center vertical seat ball bearing 422 and the belt vertical seat bearing 421 and then connects to the toothed sprocket 42, and the belt high center vertical seat ball bearing 422 and the belt vertical seat bearing 421 are both fixed on the frame 1. The tensioning wheel 43 is meshed with the extension pin chain 41, and there are three of them in total, which are used to tension the extension pin 411 to connect it so that it can run stably.

[0045] like Figure 6 As shown, the toothed sprocket 42 on the upper left of the automatic line is also connected to a second gear shaft 47, which is installed through a ball bearing 422 with a high center vertical seat fixed to the frame 1 and a vertical seat bearing 421. The toothed sprocket 42 on the right side of the automatic line is also connected to a second gear shaft 47, which is installed through two ball bearings 422 with a high center vertical seat fixed to the frame 1; the toothed sprocket 42 on the lower left of the automatic line is also connected to a second gear shaft 47, which is connected to a tension spring 48 fixed to the frame 1, and is used to tension the extended pin chain 41, Figure 6 Not shown in the figure, but can be found in Figure 4 The conveying device 4 is provided with an inclined baffle 49, which is arranged at the upper left position of the automatic line in the present invention. The setting position of the inclined baffle 49 can be adaptively selected according to the actual production situation. The inclined baffle 49 has a certain slope, and its left end is far away from the extended pin chain 41, and the right end is close to the extended pin chain 41. When the material runs from left to right, the inclined baffle 49 gradually pushes the material to insert the extended pin 411, thereby preventing the material from falling off the extended pin 411 and playing a stabilizing role.

[0046] In the automatic line of the present invention, after the printing machine 2 prints once, the second cylinder 44 of the conveying device 4 and the first cylinder 55 of the bottle loading device 5 are successively inhaled and exhausted to ensure that the rubber gear 52 rotates one tooth correspondingly when the extended pin chain 41 moves, so as to control the operation of the extended pin chain 41 and the rubber gear 52; when the extended pin chain 41 moves, the next material to be printed enters the printing machine 2 for printing, and the idle extended pin 411 is aligned with the V-shaped groove 54; the rubber gear 52 rotates one tooth angle, and the material entering the tooth gap of the rubber gear 52 falls onto the V-shaped groove 54. After the material falls into the V-shaped groove 54, the pushing cylinder 53 of the bottle loading device 5 is inhaled and pushed out, pushing the material onto the extended pin 411; this reciprocating process realizes the automated bottle loading and printing operation.

[0047] like Figure 8 As shown, the bottle unloading device 6 is arranged at the lower end of the automatic line, which includes a bottle unloading channel 61 and a bottle unloading baffle 62. The bottle unloading channel 61 is connected to the conveying device 4 and is used to collect the fallen materials; the bottle unloading baffle 62 is arranged in the bottle unloading channel 61, and the bottle unloading baffle 62 has a slope and is arranged below the extension pin 411. The left end thereof is away from the extension pin chain 41, and the right end is close to the extension pin chain 41. The printed and baked materials run from right to left, and the bottle mouth of the material is blocked by the bottle unloading baffle 62, gradually falls off the extension pin 411, and falls into the bottle unloading channel 61, realizing automatic unloading and collection.

[0048] like Figure 3 As shown, after the material is printed, it is transported to the baking device 3 by the conveying device 4. The baking device 3 includes an electric heating pipe 31, a partition 32 and thermal insulation asbestos (not shown in the figure). The inlet and outlet of the baking device 3 are not closed, which is convenient for the conveying device 4 to drive the material in and out. The partition 32 is set in the baking device 3 for partitioning, and the insulation asbestos is filled between the partition 32 and the inner wall of the baking device 3 to achieve the effect of heat preservation and heat insulation. The electric heating pipe 31 is installed at the bottom of the baking device 3 to play a heating role. The material is sent out after baking and sent to the bottle lowering device 6.

[0049] In addition, a fan 11 is provided on the frame 1 . The fan 11 is located above the printing press 2 and is used to exhaust the ink smell on the screen of the printing press 2 .

[0050] The control device is assembled on the printing machine 2, including a touch screen (not marked in the figure) and a PLC controller (not marked in the figure), which are used to control the operation of each cylinder, the working speed of the fully automatic printing machine 2, the temperature of the baking equipment 3 and display the working parameters. Specifically, the control device is controlled by PLC, and the baking set temperature, the printing speed of the printing machine 2, the switch of the printing machine 2 and the baking equipment 3 can be input on its touch screen, and the hourly output of the automatic line can be calculated according to the set printing speed, and the current production quantity, printing speed, baking set temperature, actual temperature, etc. are displayed on the touch screen. The control device is provided with an emergency stop button for emergency stop in case of failure. There is a temperature detector in the baking equipment 3. The control device detects the temperature in the baking equipment 3 through the temperature detector, compares the actual temperature with the set temperature, and controls the operation of the electric heating tube 31 to stabilize the temperature.

[0051] Example 2

[0052] A method for operating a single-chain pneumatic tube bottle screen printing machine 2 automatic line includes the following steps:

[0053] S1. Use the touch control screen on the printer 2 to set the baking temperature and turn on the baking device 3. The touch screen displays the temperature of the baking device 3. Place the materials in the bottle box 51 until it is full. Install the prepared screen to the fully automatic printer 2 and pour the ink. Adjust the XY axis of the fully automatic printer 2 so that the scraper is located in the printing area.

[0054] S2. After the baking equipment 3 rises to a certain temperature, the touch screen count is cleared, the automatic line is started, the speed is set to the lowest gear, and the touch screen displays the number of prints and the hourly output. The fan 11 starts to work to extract the volatile gas of the ink. The cylinder of the fully automatic printing machine 2 is inflated, the scraper falls, and printing is performed. The touch screen of the fully automatic printing machine 2 displays the number plus one.

[0055] S3, the second cylinder 44 starts to take in air, and exhausts air after the intake is completed, and the push rod 45 drives the second ratchet 46 to rotate a tooth distance, and then the second gear shaft 47 drives the extended pin chain 41 to move a tooth distance, and one of the extended pins 411 is aligned with the V-shaped groove 54;

[0056] S4, the second cylinder 44 exhausts air while the first cylinder 55 starts to take in air, driving the first ratchet 56 to rotate, and driving the rubber gear 52 to rotate through the first gear shaft 57, so that the material in the rubber gear 52 falls into the V-shaped groove 54, and then the first cylinder 55 resets and starts the pushing cylinder 53 at the same time, pushing the material into the extension pin 411 aligned with the V-shaped groove 54;

[0057] S5, printing the material when it passes through the printing machine 2;

[0058] S6, baking the printed material when passing through the baking device 3;

[0059] S7. The staff fine-tunes the fully automatic printing machine 2 according to the printing effect until the printing effect meets the requirements.

[0060] S8, when the baked material passes through the bottle lowering device 6, the bottle mouth of the material gradually separates from the extension pin 411 and falls into the bottle lowering channel 61 under the obstruction of the bottle lowering baffle 62, and the material is collected;

[0061] S9, when the temperature of the baking device 3 rises to about 2 / 3 of the set temperature, the speed of the automatic line is slowly increased through the controller touch screen. During this period, check whether the material dried by the baking device 3 is still sticky, and if so, reduce the speed of the automatic line.

[0062] S10, repeat steps S3, S4, S5, S6, S8;

[0063] S11, staff receive the products sliding down from the bottle lowering channel 61 and package them.

[0064] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A single-chain pneumatic tube bottle screen printing machine automatic line, characterized by: The automatic line includes a bottle loading device, a conveying device, a bottle unloading device, a printing press and a baking device. The bottle loading device is used to convey the material to be printed to the conveying device, the bottle unloading device is used to collect the printed material from the conveying device, the conveying device is used to convey the material, the printing press is used to print the material on the conveying device, and the baking device is used to bake the printed material.

2. According to claim 1, a single-chain pneumatic tube bottle screen printing machine automatic line is characterized by: The bottle loading device includes a bottle placing box, a rubber gear, a rotating mechanism, a V-shaped groove and a pushing cylinder. The rubber gear is arranged in the bottle placing box, and the rubber gear is driven to rotate by the rotating mechanism. The rubber gear is used to receive materials in the bottle placing box and convey the materials to the V-shaped groove by rotating. The pushing cylinder is used to push the materials on the V-shaped groove to the conveying device.

3. The single-chain pneumatic tube bottle screen printing machine automatic line according to claim 2 is characterized by: The rotating mechanism includes a first cylinder, a first ratchet and a first gear shaft. The first cylinder impacts the first ratchet to rotate. The first ratchet is connected through the first gear shaft and drives the rubber gear to rotate.

4. The single-chain pneumatic tube bottle screen printing machine automatic line according to claim 1 is characterized by: The conveying equipment includes an extended pin chain, a toothed sprocket and a driving mechanism, the extended pin chain is provided with an extended pin, and the extended pin is used to receive materials; the extended pin chain is meshed with the toothed sprocket, and the chain transmission is driven by the toothed sprocket, and at least one toothed sprocket is connected to the driving mechanism; the driving mechanism includes a second cylinder, a push rod, a second ratchet and a second gear shaft, the second cylinder is connected to the push rod, the push rod is connected to and drives the second ratchet to rotate, and the second ratchet is connected to and drives the corresponding toothed sprocket to rotate through the second gear shaft.

5. The single-chain pneumatic tube bottle screen printing machine automatic line according to claim 4 is characterized by: The second gear shaft is connected with a high-center vertical seat ball bearing and a vertical seat shaft, and the second gear shaft passes through the high-center vertical seat ball bearing and the vertical seat bearing to connect the corresponding gear sprocket.

6. The single-chain pneumatic tube bottle screen printing machine automatic line according to claim 4 is characterized by: The conveying equipment also includes a tensioning wheel, a stretching spring and an inclined baffle. The tensioning wheel is engaged with the extended pin chain and is used to tension the extended pin chain. The stretching spring acts on one of the sprockets and is used to tension the extended pin chain. The inclined baffle is used to stabilize the material on the extended pin chain.

7. The single-chain pneumatic tube bottle screen printing machine automatic line according to claim 1 is characterized by: The conveying device conveys the material through the baking device, and the baking device includes an electric heating tube and thermal insulation asbestos. The electric heating tube is used for heating, and the thermal insulation asbestos is used for thermal insulation.

8. The single-chain pneumatic tube bottle screen printing machine automatic line according to claim 1 is characterized by: The bottle lowering device includes a bottle lowering channel and a bottle lowering baffle, the bottle lowering channel is connected to the conveying device and is used to collect fallen materials; the bottle lowering baffle is arranged in the bottle lowering channel, and the bottle lowering baffle has a slope and is used to push out materials so that the materials fall into the bottle lowering channel.

9. The single-chain pneumatic tube bottle screen printing machine automatic line according to claim 1 is characterized by: The automatic line also includes a control device, which includes a touch screen and a PLC controller for controlling the bottle loading device, the conveying device, the printing machine and the baking device.

10. A working method of a single-chain pneumatic tube bottle screen printing machine automatic line, characterized in that The steps include: S1. Set the baking temperature and turn on the baking equipment, place the materials in the bottle box until it is full, adjust the printing machine to the working state, then start the automatic line and adjust the speed to the lowest gear, the printing machine works once and counts; S2, the second cylinder starts to take in air, and exhausts air after the intake is completed. During the exhaust process, the push rod drives the second ratchet wheel to rotate a tooth distance, and the second gear shaft drives the extended pin chain to move a tooth distance, and one of the extended pins is aligned with the V-shaped groove; S3, while the second cylinder is exhausted, the first cylinder starts to take in air, driving the first ratchet to rotate, and driving the rubber gear to rotate through the first gear shaft, so that the material in the rubber gear falls into the V-shaped groove, and then the first cylinder is exhausted and reset, and the pushing cylinder is started at the same time to push the material into the extended pin aligned with the V-shaped groove; S4. Printing the material as it passes through the printing press; S5. The printed material is baked when passing through the baking equipment; S6. When the baked material passes through the bottle lowering device, the bottle mouth of the material gradually separates from the extension pin under the obstruction of the bottle lowering baffle and falls into the bottle lowering channel, and the material is collected; S7. Repeat steps S2 to S6.

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