Hot air circulation glazing drying box for digital printing

Abstract

The invention discloses a hot air circulation glazing drying box for digital printing, and belongs to the field of printing drying. Comprising a drying box body, an air inlet is formed in the left side of the upper surface of the drying box body, and a plurality of suction openings are formed in the right side of the upper surface of the drying box body; a drying mechanism is arranged above the drying box body, the drying mechanism comprises a mounting box, the bottom of the mounting box communicates with the air inlet, and a plurality of circulating air pipes fixedly communicate with the right side of the upper surface of the mounting box; the ends, away from the mounting box, of the multiple circulating air pipes fixedly communicate with the multiple suction openings correspondingly. The upper surface of the mounting box is rotationally connected with a plurality of chain wheels through rotating shafts; when the device is used, a workpiece dried by a printing belt penetrates through the feeding groove, the second motor is started, the workpiece is driven to be transmitted through the first transmission roller, the second transmission roller and the transmission belt, the workpiece is conveyed out through the discharging groove, and the automatic transmission effect is achieved.

Description

Technical Field

[0001] The present invention relates to the field of printing and drying, and particularly to a hot air circulation glazing and drying box for digital printing. Background Art

[0002] Printing is a technology that transfers the original content such as text, pictures, photos, anti-counterfeiting, etc. to the surfaces of materials such as paper, textiles, plastics, leather, PVC, PC, etc. through processes such as plate making, ink application, and pressing, and replicates the original content in batches. Printing is the process of transferring the approved printing plate to the printing substrate through printing machinery and special ink. In the process of liner processing, printing devices are required. In the digital printing process, the drying link after glazing directly affects the gloss, adhesion, and production efficiency of the finished product; In the prior art, during the use of drying devices for printing, hot air cannot be recycled, resulting in large losses of the device and high usage costs, which is not conducive to use. Moreover, the drying range of the drying devices in the prior art is small, and it is impossible to fully dry the workpieces to be dried, so improvements are needed. For this reason, we have proposed a hot air circulation glazing and drying box for digital printing. Summary of the Invention

[0003] Object of the Invention: The object of the present invention is to provide a device that can recycle hot air and has a low usage cost; another object of the present invention is to provide more uniform and comprehensive drying.

[0004] Technical Solution: A hot air circulation glazing and drying box for digital printing includes a drying box body. An air inlet is provided on the left side of the upper surface of the drying box body, and a plurality of air extraction openings are provided on the right side of the upper surface of the drying box body; A drying mechanism is arranged above the drying box body; The drying mechanism includes an installation box. The bottom of the installation box is communicated with the air inlet. A plurality of circulation air ducts are fixedly communicated with the right side of the upper surface of the installation box. One end of each of the plurality of circulation air ducts away from the installation box is fixedly communicated with one of the plurality of air extraction openings respectively; A plurality of sprockets are rotatably connected to the upper surface of the installation box through a rotating shaft. The bottom end of the central shaft of the sprocket is fixedly connected with a fan blade inside the installation box. The outer side walls of the plurality of sprockets are commonly driven by a chain belt; An L-shaped frame is fixedly connected to the upper surface of the installation box. A first motor is fixedly connected to the inner side of the L-shaped frame. The bottom end of the output shaft of the first motor is fixedly connected to the top end of the central shaft of the sprocket located in front of the upper surface of the installation box; A plurality of heating rods are fixedly connected to the inside of the installation box below the plurality of fan blades; A partition board is fixedly connected to the center of the upper surface inside the drying box body.

[0005] Furthermore, a transmission roller 1 is rotatably connected to the left side of the drying box body through a rotating shaft, a transmission roller 2 is rotatably connected to the right side of the drying box body through a rotating shaft, a motor 2 is fixedly connected to the rear surface of the drying box body, a front end of an output shaft of the motor 2 is fixedly connected to the rear end of a center shaft of the transmission roller 1, and an outer side wall of the transmission roller 1 and an outer side wall of the transmission roller 2 are jointly connected by a transmission belt.

[0006] Furthermore, a through-type feeding trough is provided on the left side of the drying box body, and a through-type discharging trough is provided on the right side of the drying box body.

[0007] Furthermore, a cam is fixedly connected to the outer side wall of the output shaft of the motor 1.

[0008] Furthermore, two guide rods are fixedly connected to the left side of the installation box, and the outer walls of the two guide rods are slidably connected to a moving plate. The top of the moving plate is fixedly connected to an L-shaped abutment plate, and the end of the L-shaped abutment plate away from the moving plate is in contact with the outer wall of the cam, and the front end of the moving plate is located in front of the installation box and is fixedly connected to a rack.

[0009] Furthermore, the front surface of the installation box is rotatably connected to a plurality of shafts via a rotating shaft, the front ends of the shafts are fixedly connected to gears, the gears are meshingly connected to the racks, and the rear ends of the shafts penetrate into the interior of the installation box and are fixedly connected to guide plates.

[0010] Furthermore, springs are fixedly connected to the outer side walls of the two guide rods at the opposite sides of the moving piece and the installation box.

[0011] Beneficial effect: When the device is used, the workpiece dried by the printing tape is passed through the feed slot, the motor 2 is started, the workpiece is driven through the transmission roller 1, the transmission roller 2 and the transmission belt, and the workpiece is transmitted through the discharge slot, achieving the effect of automatic transmission; Start the motor 1, transmit through the sprocket and chain belt, control the rotation of multiple fan blades, so that after the air is drawn from the exhaust port through the circulating air duct, it is heated by the electric heating rod and discharged into the left half of the drying box through the air inlet to dry the printed parts. This method draws air from one half of the drying box, so that the hot air in the left half can be drawn in for recycling, achieving the effect of hot air recycling and saving energy consumption; During the start-up process of the motor, by repeatedly squeezing the L-shaped abutment piece and cooperating with the reset pull of the spring, the movable piece can move left and right along the outer walls of the two guide rods, thereby driving the rack to move left and right, and then reciprocatingly shifting the gear, driving the shaft to rotate reciprocatingly, so that the guide piece can swing back and forth, and then the hot air can be blown more evenly to the surface of the workpiece for drying, thereby increasing the drying range and making the drying more comprehensive. Brief Description of the Drawings

[0012] Figure 1 is a front view structural schematic diagram of the present invention; Figure 2 is a rear view structural schematic diagram of the present invention; Figure 3 is a sectional structural schematic diagram of the present invention; Figure 4 is a structural schematic diagram of the drying box body of the present invention; Figure 5 is a structural schematic diagram of the drying mechanism of the present invention; Figure 6 is a side view structural schematic diagram of the vertical section of the drying mechanism of the present invention.

[0013] In the figures: 1, drying box body; 2, air inlet; 3, air extraction port; 4, drying mechanism; 5, partition board; 6, first driving roller; 7, second driving roller; 8, second motor; 9, feed trough; 10, discharge trough; 11, transmission belt; 401, installation box; 402, circulating air duct; 403, sprocket; 404, fan blade; 405, chain belt; 406, L-shaped frame; 407, first motor; 408, heating rod; 409, cam; 410, guide rod; 411, moving piece; 412, L-shaped abutting piece; 413, rack; 414, shaft rod; 415, gear; 416, guide vane; 417, spring. Detailed Embodiment

[0014] To make the technical solution of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments. Embodiment

[0015] As Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, a hot air circulation glazing drying box for digital printing is provided, which includes a drying box body 1. An air inlet 2 is opened on the left side of the upper surface of the drying box body 1, and a plurality of air extraction ports 3 are opened on the right side of the upper surface of the drying box body 1; A partition board 5 is fixedly connected to the center of the inner upper surface of the drying box body 1; The left side of the inside of the drying box body 1 is rotatably connected to a first driving roller 6 through a rotating shaft, the right side of the inside of the drying box body 1 is rotatably connected to a second driving roller 7 through a rotating shaft, the rear surface of the drying box body 1 is fixedly connected to a second motor 8, the front end of the output shaft of the second motor 8 is fixedly connected to the rear end of the central shaft of the first driving roller 6, and a transmission belt 11 is commonly connected to the outer side walls of the first driving roller 6 and the second driving roller 7; A through feed trough 9 is opened on the left side of the drying box body 1, and a through discharge trough 10 is opened on the right side of the drying box body 1; When the device is in use, the workpiece dried with the printing tape passes through the feeding chute 9. Start the second motor 8. Through the first driving roller 6, the second driving roller 7 and the transmission belt 11, drive the workpiece to move, and the workpiece is discharged through the discharging chute 10 to achieve the effect of automatic transmission. The partition 5 divides the drying box body 1 into two parts.

[0016] As Figure 5 and Figure 6 shown, a drying mechanism 4 is arranged above the drying box body 1; The drying mechanism 4 includes an installation box 401. The bottom of the installation box 401 is communicated with the air inlet 2. A plurality of circulating air ducts 402 are fixedly communicated with the right side of the upper surface of the installation box 401. One ends of the plurality of circulating air ducts 402 far away from the installation box 401 are respectively fixedly communicated with a plurality of air extraction ports 3; The upper surface of the installation box 401 is rotatably connected with a plurality of sprockets 403 through a rotating shaft. The bottom end of the central shaft of the sprocket 403 is located inside the installation box 401 and is fixedly connected with a fan blade 404. The outer side walls of the plurality of sprockets 403 are jointly driven and connected with a chain belt 405; The upper surface of the installation box 401 is fixedly connected with an L-shaped frame 406. The inner side of the L-shaped frame 406 is fixedly connected with a first motor 407. The bottom end of the output shaft of the first motor 407 is fixedly connected with the top end of the central shaft of the sprocket 403 located in front of the upper surface of the installation box 401; A plurality of heating rods 408 are fixedly connected inside the installation box 401 below the plurality of fan blades 404; The outer side wall of the output shaft of the first motor 407 is fixedly connected with a cam 409; Two guide rods 410 are fixedly connected to the left side of the installation box 401. A moving piece 411 is slidably connected to the outer side walls of the two guide rods 410. The top of the moving piece 411 is fixedly connected with an L-shaped abutting piece 412. One end of the L-shaped abutting piece 412 far away from the moving piece 411 is attached to the outer side wall of the cam 409. The front end of the moving piece 411 is fixedly connected with a rack 413 in front of the installation box 401; The front surface of the installation box 401 is rotatably connected with a plurality of shaft rods 414 through a rotating shaft. The front end of the shaft rod 414 is fixedly connected with a gear 415. The gear 415 is meshed with the rack 413. The rear end of the shaft rod 414 penetrates into the installation box 401 and is fixedly connected with a guide vane 416; Springs 417 are fixedly connected to the opposite sides of the moving piece 411 and the installation box 401 and on the outer side walls of the two guide rods 410; During the transmission of the printed workpiece, the heating rod 408 is pre-started for heating, and then during the transmission, the motor 407 is started, and the transmission is carried out through the sprocket 403 and the chain belt 405, and the plurality of fan blades 404 are controlled to rotate, so that after the air is drawn from the air outlet 3 through the circulating air duct 402, after being heated by the electric heating rod 408, it is discharged into the left half of the drying box 1 through the air inlet 2 to dry the printed workpiece. In this way, the hot air in the left half of the drying box 1 can be drawn in for recycling, so as to achieve the effect of hot air recycling and save energy consumption; During the starting process of the motor 407, by repeatedly squeezing the L-shaped abutment sheet 412 and cooperating with the reset pull of the spring 417, the movable sheet 411 can move left and right along the outer walls of the two guide rods 410, thereby driving the rack 413 to move left and right, and then reciprocatingly shifting the gear 415, driving the shaft 414 to rotate reciprocatingly, so that the guide sheet 416 can swing back and forth, and then the hot air can be blown more evenly to the surface of the workpiece for drying, thereby increasing the drying range and making the drying more comprehensive.

[0017] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A hot air circulation glazing and drying oven for digital printing, comprising a drying box body (1), characterized in that: An air inlet (2) is provided on the left side of the upper surface of the drying box body (1), and a plurality of air extraction ports (3) are provided on the right side of the upper surface of the drying box body (1); A drying mechanism (4) is arranged above the drying box body (1); The drying mechanism (4) includes an installation box (401). The bottom of the installation box (401) is communicated with the air inlet (2). A plurality of circulating air pipes (402) are fixedly communicated with the right side of the upper surface of the installation box (401). One ends of the plurality of circulating air pipes (402) far away from the installation box (401) are respectively fixedly communicated with the plurality of air extraction ports (3); A plurality of sprockets (403) are rotatably connected to the upper surface of the installation box (401) through a rotating shaft. A bottom end of a central shaft of the sprocket (403) is fixedly connected with a fan blade (404) inside the installation box (401). An outer side wall of the plurality of sprockets (403) is commonly connected with a chain belt (405) in a transmission manner; An L-shaped frame (406) is fixedly connected to the upper surface of the installation box (401). A first motor (407) is fixedly connected to the inner side of the L-shaped frame (406). A bottom end of an output shaft of the first motor (407) is fixedly connected with a top end of a central shaft of the sprocket (403) located in front of the upper surface of the installation box (401); A plurality of heating rods (408) are fixedly connected to the inside of the installation box (401) below the plurality of fan blades (404); A partition plate (5) is fixedly connected to the center of the inner upper surface of the drying box body (1).

2. The hot air circulation glazing and drying oven for digital printing according to claim 1, characterized in that: A first driving roller (6) is rotatably connected to the left side of the inside of the drying box body (1) through a rotating shaft. A second driving roller (7) is rotatably connected to the right side of the inside of the drying box body (1) through a rotating shaft. A second motor (8) is fixedly connected to the rear surface of the drying box body (1). A front end of an output shaft of the second motor (8) is fixedly connected with a rear end of a central shaft of the first driving roller (6). An outer side wall of the first driving roller (6) and an outer side wall of the second driving roller (7) are commonly connected with a transmission belt (11) in a transmission manner; 3. A hot air circulation glazing and drying oven for digital printing according to claim 1, characterized in that: A through-feed slot (9) is provided on the left side of the drying box body (1), and a through-discharge slot (10) is provided on the right side of the drying box body (1).

4. A hot air circulation glazing and drying oven for digital printing according to claim 1, characterized in that: A cam (409) is fixedly connected to an outer side wall of an output shaft of the first motor (407).

5. A hot air circulation glazing and drying oven for digital printing according to claim 4, characterized in that: Two guide rods (410) are fixedly connected to the left side of the installation box (401). A moving piece (411) is slidably connected to an outer side wall of the two guide rods (410). An L-shaped abutting piece (412) is fixedly connected to the top of the moving piece (411). One end of the L-shaped abutting piece (412) far away from the moving piece (411) is attached to an outer side wall of the cam (409). A front end of the moving piece (411) is fixedly connected with a rack (413) in front of the installation box (401).

6. The hot air circulation glazing and drying oven for digital printing according to claim 5, wherein: A plurality of shaft rods (414) are rotatably connected to the front surface of the installation box (401) through a rotating shaft. The front end of the shaft rod (414) is fixedly connected with a gear (415). The gear (415) is meshed with the rack (413). The rear end of the shaft rod (414) penetrates into the interior of the installation box (401) and is fixedly connected with a guide vane (416).

7. A hot air circulation glazing and drying oven for digital printing according to claim 5, characterized in that: Springs (417) are fixedly connected to the opposite sides of the moving piece (411) and the installation box (401) and on the outer side walls of the two guide rods (410).

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