Improved structure of waste gas exhaust fan of silk-screen line heating furnace

Abstract

The utility model discloses an improved structure of a waste gas exhaust fan of a silk-screen line heating furnace, which comprises a blast box, the outer surface of the blast box is fixedly connected with a sealing cover, the outer surface of the sealing cover is fixedly connected with an air inlet pipe, the inner wall of the air inlet pipe is fixedly connected with a temperature sensor, and the outer surface of the blast box is fixedly connected with a motor. The upper surface of the motor is fixedly connected with a control box, the output end of the motor is fixedly connected with fan blades, the outer edge face of the air blowing box is fixedly connected with a transfer bin, the interior of the transfer bin is fixedly connected with a filter screen, and the inner wall of the transfer bin is fixedly connected with an inclined plate. And hot air in the air blowing box is directly discharged through the transfer bin. And by means of the design of the filter plate in the transfer bin, foreign matter is blocked and falls into the storage box, and the fan blades are effectively protected. The temperature sensor is used for monitoring the temperature of the air inlet pipe end, and the control box is used for controlling intermittent operation of the motor, so that the motor is effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of heating grate exhaust gas fans, in particular to an improved structure of a screen printing line heating grate exhaust gas fan. Background Art

[0002] Silk-screen production equipment is a machine for printing text and images. Modern printing equipment is generally composed of mechanisms such as plate mounting, inking, and embossing. Silk-screen printing refers to screen printing, which belongs to stencil printing. Through pressure, the ink is transferred to the surface of the product to achieve the ideal printing effect. Waste gas will be generated during the processing and use of the equipment. The current exhaust device for waste gas is to exhaust the waste gas through the exhaust fan connected to the pipeline. The valve installed inside the exhaust pipeline affects the operation of the motor, causing it to have a large load at startup, resulting in the burning of the motor starting capacitor. Therefore, further optimization is made to the shortcomings of this structure. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide an improved structure of the exhaust fan of the screen printing line heating grate, through the design of the filter plate inside the transfer bin to block foreign matter, and drop it into the storage box, so that it can effectively protect the fan blades. The temperature of the air inlet pipe end is monitored by the temperature sensor, and the intermittent operation of the motor is controlled by the control box, so as to effectively protect the motor.

[0004] The utility model also provides an improved structure of the above-mentioned silk screen heating grate exhaust gas blower, including: a blow box, the outer surface of the blow box is fixedly connected to a sealing cover, the outer surface of the sealing cover is fixedly connected to an air inlet pipe, the inner wall of the air inlet pipe is fixedly connected to a temperature sensor, the outer surface of the blow box is fixedly connected to a motor, the upper surface of the motor is fixedly connected to a control box, the output end of the motor is fixedly connected to a fan blade, the outer edge of the blow box is fixedly connected to a transfer bin, the interior of the transfer bin is fixedly connected to a filter, the inner wall of the transfer bin is fixedly connected to an inclined plate, the upper surface of the transfer bin is fixedly connected to an exhaust pipe, an air delivery window is provided at the connection between the transfer bin and the blow box, and the lower surface of the transfer bin is detachably connected to a storage box.

[0005] According to the improved structure of the screen printing line heating grate exhaust gas fan of the utility model, the fan blades are rotatably connected inside the blower box, and are used to discharge the exhaust gas through rotation.

[0006] According to the improved structure of the screen printing line heating grate exhaust fan of the utility model, the lower surface of the blower box is fixedly connected with a support frame, and the outer surface of the support frame is fixedly connected with the transfer bin, so that the whole device is fixed and the operation is smoother.

[0007] According to the improved structure of the screen printing line heating grate exhaust gas fan of the utility model, the lower surface of the support frame is fixedly connected with a base, and the outer surface of the base is provided with a mounting hole, so that the device is fixed and easy to install.

[0008] According to the improved structure of the screen printing line heating grate exhaust fan of the utility model, the outer surface of the transfer bin is detachably connected with a cover plate, and the interior of the transfer bin is connected with the interior of the storage box. Through the cover plate, it is convenient to inspect and maintain the interior of the transfer bin.

[0009] According to the improved structure of the screen printing line heating grate exhaust fan of the utility model, the outer surface of the control box is fixedly connected with a wire bridge, and the control box is connected to the temperature sensor through a wire, so that the temperature measured by the temperature sensor is effectively fed back to the inside of the control box.

[0010] According to the improved structure of the screen printing line heating grate exhaust fan of the utility model, the filter is fixedly connected to the upper eaves of the air delivery window, and the filter is tilted downward at 45 degrees as a whole, so as to effectively block foreign objects falling into the exhaust pipe and protect the fan blades.

[0011] According to the improved structure of the screen printing line heating grate exhaust fan of the utility model, the inclined plate is fixedly connected to the lower eaves of the air delivery window, and one end of the inclined plate is connected to the entrance of the storage box. The designed storage box can effectively collect foreign matter, facilitate centralized processing, and effectively protect the rotating fan blades.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the screen printing line heating grate exhaust fan has an improved structure, changing the heating furnace fan into a straight exhaust form, so that the hot air inside the blower box is directly discharged through the transfer bin. The design of the filter plate inside the transfer bin blocks foreign matter and drops it into the storage box, which effectively protects the fan blades.

[0014] 2. Compared with the prior art, the exhaust gas fan of the screen printing line heating grate has an improved structure. The temperature of the air inlet pipe end is monitored by a temperature sensor, and the intermittent operation of the motor is controlled by a control box, thereby effectively protecting the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structural diagram of the improved structure of the exhaust gas fan of the heating grate of the silk screen line of the utility model;

[0017] Figure 2 This is the internal structure diagram of the transfer bin of the improved structure of the exhaust gas fan of the heating grate of the silk screen line of the utility model;

[0018] Figure 3 It is a top view of the improved structure of the exhaust gas fan of the heating grate of the silk screen line of the utility model;

[0019] Figure 4 This is a bottom view of the improved structure of the exhaust gas fan of the silk screen line heating grate of the utility model.

[0020] Legend:

[0021] 1. Base; 2. Support frame; 3. Blower box; 4. Motor; 5. Control box; 6. Air inlet duct; 7. Transfer bin; 8. Exhaust duct; 9. Storage box; 10. Temperature sensor; 11. Fan blades; 12. Filter; 13. Cover plate; 14. Wire bridge; 15. Air window; 16. Sealing cover; 17. Inclined plate. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The improved structure of the exhaust gas blower of the screen printing line heating grate of the utility model embodiment includes: a blower box 3 for blowing air, the lower surface of the blower box 3 is fixedly connected to the support frame 2, and the outer surface of the support frame 2 is fixedly connected to the transfer bin 7. The lower surface of the support frame 2 is fixedly connected to the base 1, and the outer surface of the base 1 is provided with a mounting hole. The outer surface of the transfer bin 7 is detachably connected to the cover plate 13, and the interior of the transfer bin 7 is connected to the interior of the storage box 9. The outer surface of the blower box 3 is fixedly connected to a sealing cover 16, which is connected to the blower box 3 and has sealing properties. The outer surface of the sealing cover 16 is fixedly connected to an air inlet pipe 6 for air intake, and the inner wall of the air inlet pipe 6 is fixedly connected to a temperature sensor 10, which refers to a sensor that can sense temperature and convert it into a usable output signal. The temperature sensor 10 is the core part of the temperature measuring instrument, and there are many varieties. According to the measurement method, it can be divided into two categories: contact and non-contact, and according to the sensor material and electronic component characteristics, it can be divided into two categories: thermal resistors and thermocouples.

[0024] The outer surface of the blower box 3 is fixedly connected with a motor 4 for outputting power, the upper surface of the motor 4 is fixedly connected with a control box 5 for controlling the operation of the motor 4, the outer surface of the control box 5 is fixedly connected with a wire bridge 14, and the control box 5 is connected to the temperature sensor 10 through a wire. The output end of the motor 4 is fixedly connected with a fan blade 11 for circulating the exhaust gas. The fan blade 11 is rotatably connected inside the blower box 3. The outer side of the blower box 3 is fixedly connected with a transfer bin 7 for conveying exhaust gas, and the interior of the transfer bin 7 is fixedly connected with a filter screen 12 for blocking foreign matter, and the filter screen 12 is fixedly connected to the upper eaves of the air transmission window 15.

[0025] The inner wall of the transfer bin 7 is fixedly connected with an inclined plate 17 for guiding foreign objects into the storage box 9. The inclined plate 17 is fixedly connected to the lower eaves of the air delivery window 15. The inclined plate 17 is tilted downward at an angle of 14 or 15 degrees as a whole. One end of the inclined plate 17 is connected to the entrance of the storage box 9. The upper surface of the transfer bin 7 is fixedly connected with an exhaust pipe 8 for exhausting air. The connection between the transfer bin 7 and the blower box 3 is provided with an air delivery window 15 for the circulation of exhaust gas. The lower surface of the transfer bin 7 is detachably connected with a storage box 9 for storing foreign objects.

[0026] Working principle: install the filter 12 in the transfer bin 7, install the inclined plate 17 in the transfer bin 7, install the transfer bin 7 at the air delivery window 15 of the blower box 3, install the motor 4 on the blower box 3, and install the fan blade 11 on the rotating shaft of the motor 4, install the sealing cover 16 on the blower box 3, install the air inlet pipe 6 on the sealing cover 16, install the temperature sensor 10 inside the air inlet pipe 6, connect it to the control box 5 through a wire, install the control box 5 on the motor 4, install the blower box 3 on the support frame 2, install the support frame 2 on the base 1, and install the exhaust pipe 8 on the transfer bin 7.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. The improved structure of the exhaust gas fan of the screen printing line heating grate is characterized by: include: A bellows box (3), wherein the outer surface of the bellows box (3) is fixedly connected with a sealing cover (16), the outer surface of the sealing cover (16) is fixedly connected with an air inlet pipe (6), the inner wall of the air inlet pipe (6) is fixedly connected with a temperature sensor (10), the outer surface of the bellows box (3) is fixedly connected with a motor (4), the upper surface of the motor (4) is fixedly connected with a control box (5), the output end of the motor (4) is fixedly connected with a fan blade (11), the outer edge of the bellows box (3) is fixedly connected with a transfer bin (7), the interior of the transfer bin (7) is fixedly connected with a filter screen (12), the inner wall of the transfer bin (7) is fixedly connected with an inclined plate (17), the upper surface of the transfer bin (7) is fixedly connected with an exhaust pipe (8), an air delivery window (15) is provided at the connection between the transfer bin (7) and the bellows box (3), and the lower surface of the transfer bin (7) is detachably connected with a storage box (9).

2. The improved structure of the exhaust gas fan for heating grate of the screen printing line according to claim 1 is characterized in that: The fan blades (11) are rotatably connected inside the blower box (3).

3. The improved structure of the exhaust gas fan for heating grate of the screen printing line according to claim 1 is characterized in that: The lower surface of the bellows box (3) is fixedly connected to a support frame (2), and the outer surface of the support frame (2) is fixedly connected to the transfer bin (7).

4. The improved structure of the exhaust gas fan for heating grate of the screen printing line according to claim 3 is characterized in that: The lower surface of the support frame (2) is fixedly connected to a base (1), and the outer surface of the base (1) is provided with a mounting hole.

5. The improved structure of the exhaust gas fan for heating grate of the screen printing line according to claim 1 is characterized in that: The outer surface of the transfer bin (7) is detachably connected to a cover plate (13), and the interior of the transfer bin (7) is connected to the interior of the storage box (9).

6. The improved structure of the exhaust gas fan for heating grate of the screen printing line according to claim 1 is characterized in that: A wire bridge (14) is fixedly connected to the outer surface of the control box (5), and the control box (5) is connected to the temperature sensor (10) via a wire.

7. The improved structure of the exhaust gas fan for the heating grate of the screen printing line according to claim 1 is characterized in that: The filter screen (12) is fixedly connected to the upper eaves of the air delivery window (15), and the filter screen (12) is tilted downward at a degree of forty-five as a whole.

8. The improved structure of the exhaust gas fan for heating grate of the screen printing line according to claim 1 is characterized in that: The inclined plate (17) is fixedly connected to the lower eaves of the air delivery window (15), and one end of the inclined plate (17) is connected to the entrance of the storage box (9).

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