Horizontal roasting equipment for firing precoated sand

Abstract

The utility model relates to the technical field of precoated sand processing, and discloses a horizontal roasting device for roasting precoated sand, which comprises a furnace body, a discharge port is arranged on the left side of the furnace body, a furnace door is hinged on the left side of the furnace body through a hinge, a support plate is fixedly connected on the inner wall of the furnace body, an electric heating pipe is fixedly connected on the inner wall of the furnace body, and the electric heating pipe is fixedly connected on the inner wall of the furnace body. And the electric heating pipe is located below the supporting plate, a first mounting hole is formed in the upper surface of the furnace body, and the inner wall of the first mounting hole is fixedly connected with a material guiding barrel. According to the precoated sand vibrating device, the guide barrel, the sliding hole and the vibrating mechanism are arranged, after a vibrating motor in the vibrating mechanism is started, the sliding barrel in the guide barrel jumps up and down through cooperation of the vibrating motor and a spring, and then precoated sand in the guide barrel is shaken to be scattered in a shaking mode; furthermore, the hot air in the furnace body can fully preheat the precoated sand in the material guide barrel, so that the preheating effect of the horizontal roasting equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coated sand processing, in particular to a horizontal baking device for baking coated sand. Background Art

[0002] Coated sand is a molding sand or core sand whose surface is covered with a layer of solid resin film before molding. There are two coating processes: cold coating and hot coating. At present, most of the horizontal roasting equipment used for firing coated sand connects the furnace with the feed channel through a connecting pipe, and the hot air in the furnace can preheat the coated sand in the feed channel. For example, a horizontal roasting furnace for firing coated sand disclosed in Chinese patent announcement number CN218349222U, but because the coated sand is accumulated in the feed channel, the hot air cannot fully contact the coated sand, resulting in poor preset effect of the horizontal roasting furnace on the coated sand. At the same time, when the preheating temperature of the coated sand reaches the specified value, the worker needs to manually open the feed channel, which makes the horizontal roasting furnace more troublesome to use. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, most of the horizontal roasting equipment for firing coated sand connects the furnace with the feed channel through a connecting pipe, and the coated sand in the feed channel can be preheated by the hot air in the furnace, but because the coated sand is accumulated in the feed channel, the hot air cannot fully contact with the coated sand, resulting in poor preheating effect of the horizontal roasting furnace on the coated sand. At the same time, when the preheating temperature of the coated sand reaches the specified value, the worker needs to manually open the feed channel, which makes the horizontal roasting furnace more troublesome to use. A horizontal roasting equipment for firing coated sand is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A horizontal roasting equipment for firing coated sand comprises a furnace body, a discharge port is provided on the left side of the furnace body, a furnace door is hinged on the left side of the furnace body through a hinge, a support plate is fixedly connected to the inner wall of the furnace body, an electric heating tube is fixedly connected to the inner wall of the furnace body, the electric heating tube is located below the support plate, a first mounting hole is provided on the upper surface of the furnace body, a material guide cylinder is fixedly connected to the inner wall of the first mounting hole, a sliding hole is provided on the right side of the material guide cylinder, a vibration mechanism is fitted on the inner wall of the sliding hole and the inner wall of the material guide cylinder, the bottom of the vibration mechanism is fixedly connected to the upper surface of the furnace body, a connecting tube is fixedly connected to the left side of the material guide cylinder and the upper surface of the furnace body, and a cylinder cover is fitted on the surface of the material guide cylinder.

[0006] Preferably, the vibration mechanism includes a slide cylinder, the inner wall of the slide cylinder contacts the inner wall of the material guide cylinder, the bottom of the slide cylinder is fixedly connected to a material guide hopper, the bottom end of the material guide hopper is fixedly connected to a high-temperature resistant valve, the right side of the slide cylinder is fixedly connected to a slide plate, the inner wall of the slide hole contacts the surface of the slide plate, the bottom of the slide plate and the upper surface of the furnace body are fixedly connected to a spring, the upper surface of the slide plate is fixedly connected to a vibration motor, a through hole is opened on the left side of the slide cylinder, the inner wall of the through hole is fixedly connected to a blocking net, and the blocking net is located on the right side of the right end of the connecting pipe.

[0007] Preferably, an air outlet is opened on the upper surface of the furnace body, an annular mounting frame is fixedly connected to the upper surface of the furnace body, and an air filter element is fixedly connected to the inner wall of the annular mounting frame.

[0008] Preferably, a controller is fixedly connected to the front of the material guide cylinder, a second mounting hole is opened on the right side of the slide cylinder, a temperature sensor is fixedly connected to the inner wall of the second mounting hole, and the temperature sensor and the high temperature resistant valve are electrically connected to the controller through wires.

[0009] Preferably, the controller includes a box body, a touch panel is fixedly connected to the front of the box body, a cover plate is fixedly connected to the back of the box body and the front of the material guide barrel, a PCB assembly is fixedly connected to the front of the cover plate, and the touch panel, temperature sensor and high temperature resistant valve are electrically connected to the PCB assembly through wires.

[0010] Preferably, the connecting pipe comprises a control valve, and both ends of the control valve, the upper surface of the furnace body and the left side of the material guiding cylinder are fixedly connected with air pipes.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model is provided with a material guide barrel, a slide hole and a vibration mechanism. When the vibration motor in the vibration mechanism is turned on, the slide barrel in the material guide barrel jumps up and down through the cooperation of the vibration motor and the spring. Then, the coated sand in the material guide barrel is shaken off by shaking, so that the hot air in the furnace body can fully preheat the coated sand in the material guide barrel, thereby improving the preheating effect of the horizontal roasting equipment.

[0013] (2) The utility model can monitor the temperature of the coated sand in the guide barrel in real time through the cooperation of the temperature sensor and the controller. Moreover, when the temperature of the coated sand is preheated to a specified temperature, the controller will automatically open the high-temperature resistant valve, and the coated sand after preheating can automatically enter the furnace body, thereby making the horizontal roasting equipment more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a front view of the structure of the utility model;

[0016] Figure 3 It is a top view of the furnace body in the utility model;

[0017] Figure 4 It is a right side view of the guide barrel in the utility model;

[0018] Figure 5 It is a schematic diagram of the vibration mechanism in the utility model;

[0019] Figure 6 It is a front view of the connecting pipe in the utility model;

[0020] Figure 7 It is a front view of the controller in the utility model;

[0021] Figure 8 for Figure 7 Sectional view at AA.

[0022] In the figure: 1. furnace body; 2. discharge port; 3. furnace door; 4. support plate; 5. electric heating tube; 6. first mounting hole; 7. guide cylinder; 8. slide hole; 9. vibration mechanism; 91. slide cylinder; 92. guide hopper; 93. high temperature resistant valve; 94. slide plate; 95. spring; 96. vibration motor; 97. through hole; 98. blocking net; 10. connecting pipe; 101. control valve; 102. air pipe; 11. cylinder cover; 12. air outlet; 13. annular mounting frame; 14. air filter element; 15. controller; 151. box body; 152. touch panel; 153. cover plate; 154. PCB assembly; 16. second mounting hole; 17. temperature sensor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention. Example

[0025] Reference Figure 1-6A horizontal roasting device for firing coated sand comprises a furnace body 1, a discharge port 2 is provided on the left side of the furnace body 1, a furnace door 3 is hingedly connected to the left side of the furnace body 1 through a hinge, the switch of the discharge port 2 is controlled by the furnace door 3, a support plate 4 is fixedly connected to the inner wall of the furnace body 1, an electric heating tube 5 is fixedly connected to the inner wall of the furnace body 1, the electric heating tube 5 is located below the support plate 4, the coated sand in the furnace body 1 is supported by the support plate 4, the coated sand above the support plate 4 is heated by the electric heating tube 5, a first mounting hole 6 is provided on the upper surface of the furnace body 1, and the first A material guide tube 7 is fixedly connected to the inner wall of the mounting hole 6, and the coated sand can enter the furnace body 1 through the material guide tube. A sliding hole 8 is provided on the right side of the material guide tube 7, and a vibration mechanism 9 is fitted on the inner wall of the sliding hole 8 and the inner wall of the material guide tube 7. The bottom of the vibration mechanism 9 is fixedly connected to the upper surface of the furnace body 1, and a connecting tube 10 is fixedly connected to the left side of the material guide tube 7 and the upper surface of the furnace body 1. The hot air in the furnace body 1 can enter the material guide tube through the connecting tube 10. A tube cover 11 is fitted on the surface of the material guide tube 7, and the top of the material guide tube 7 is sealed by the tube cover 11.

[0026] The vibration mechanism 9 includes a slide 91, the inner wall of which contacts the inner wall of the guide tube 7, and the slide 91 can move up and down in the guide tube 7. The bottom of the slide 91 is fixedly connected to a guide hopper 92, and the bottom end of the guide hopper 92 is fixedly connected to a high-temperature resistant valve 93. When the high-temperature resistant valve 93 is opened, the coated sand in the slide 91 can enter the furnace body 1 through the guide hopper 92. When the high-temperature resistant valve 93 is closed, the opening at the bottom end of the guide hopper 92 is closed by the high-temperature resistant valve 93. A slide plate 94 is fixedly connected to the right side of the slide 91, and the inner wall of the slide hole 8 contacts the surface of the slide plate 94. The slide plate 94 can Move up and down in the slide hole 8, the bottom of the slide plate 94 and the upper surface of the furnace body 1 are fixedly connected with a spring 95, and the upper surface of the slide plate 94 is fixedly connected with a vibration motor 96. When the vibration motor 96 is turned on, the slide cylinder 91 jumps up and down through the cooperation of the vibration motor 96 and the spring 95. A through hole 97 is opened on the left side of the slide cylinder 91, and a blocking net 98 is fixedly connected to the inner wall of the through hole 97. The blocking net 98 is located on the right side of the right end of the connecting pipe 10. The hot air in the furnace body 1 can enter the guide tube 7 through the through hole 97, and the coated sand in the guide tube 7 cannot enter the connecting pipe 10 through the blocking net 98.

[0027] The connecting pipe 10 includes a control valve 101. Both ends of the control valve 101, the upper surface of the furnace body 1 and the left side of the material guide barrel 7 are fixedly connected with an air pipe 102. When the control valve 101 is opened, the hot air in the furnace body 1 can enter the material guide barrel 7 through the air pipe 102. When the control valve 101 is closed, the hot air in the furnace body 1 cannot enter the material guide barrel 7. Example

[0028] Reference Figure 1-3An air outlet 12 is provided on the upper surface of the furnace body 1, and an annular mounting frame 13 is fixedly connected to the upper surface of the furnace body 1. An air filter element 14 is fixedly connected to the inner wall of the annular mounting frame 13. The air in the furnace body 1 can be discharged through the air outlet 12. At the same time, the discharged air can be filtered by the air filter element 14. Example

[0029] Reference Figure 1-8 A controller 15 is fixedly connected to the front of the guide barrel 7, a second mounting hole 16 is opened on the right side of the slide barrel 91, and a temperature sensor 17 is fixedly connected to the inner wall of the second mounting hole 16. The second mounting hole 16 is located in the slide hole 8, and the measuring end of the temperature sensor 17 is located in the slide barrel 91. The temperature sensor 17 and the high-temperature resistant valve 93 are electrically connected to the controller 15 through a wire. Through the cooperation of the temperature sensor 17 and the controller 15, the temperature of the coated sand in the guide barrel 7 can be monitored in real time, and when the temperature of the coated sand is preheated to the specified temperature, the high-temperature resistant valve 93 will be automatically opened by the controller 15, and the coated sand after preheating can automatically enter the furnace body 1, thereby making the horizontal roasting equipment more convenient to use.

[0030] The controller 15 includes a box body 151, the front of the box body 151 is fixedly connected to a touch panel 152, the back of the box body 151 and the front of the material guide barrel 7 are fixedly connected to a cover plate 153, the front of the cover plate 153 is fixedly connected to a PCB assembly 154, the touch panel 152, the temperature sensor 17 and the high temperature resistant valve 93 are all electrically connected to the PCB assembly 154 through wires, and the user can set the parameters of the PCB assembly 154 through the touch panel 152. When the temperature sensor 17 monitors that the temperature of the coated sand reaches the set value, the PCB assembly 154 opens the high temperature resistant valve 93 according to the data transmitted by the temperature sensor 17, and allows the coated sand in the material guide barrel 7 to enter the furnace body 1. When the temperature of the coated sand does not reach the set value, the PCB assembly 154 closes the high temperature resistant valve 93 according to the data transmitted by the temperature sensor 17.

[0031] In the utility model, when the user uses the horizontal roasting equipment, he first turns on the electric heating tube 5 to increase the temperature in the furnace body 1, then puts the coated sand into the guide barrel 7, and turns on the vibration motor 96. At this time, the slide barrel 91 in the guide barrel 7 jumps up and down through the cooperation of the vibration motor 96 and the spring 95, and then the coated sand in the guide barrel 7 is shaken out by shaking. At the same time, the hot air in the furnace body 1 enters the guide barrel 7 through the connecting pipe 10, and the coated sand in the guide barrel 7 is preheated by the hot air. When the temperature sensor 17 detects that the temperature of the coated sand reaches the set value, the PCB component 154 opens the high temperature resistant valve 93 according to the data transmitted by the temperature sensor 17, and allows the coated sand in the guide barrel 7 to enter the furnace body 1, and then the coated sand is roasted by the high temperature air in the furnace body 1. After the roasting is completed, the furnace door 3 is opened, and the coated sand is taken out of the furnace body 1 through the discharge port 2.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A horizontal roasting device for firing coated sand, comprising a furnace body (1), It is characterized in that The furnace body (1) is provided with a discharge port (2) on the left side, and a furnace door (3) is hingedly connected to the left side of the furnace body (1) through a hinge. The inner wall of the furnace body (1) is fixedly connected to a support plate (4), and the inner wall of the furnace body (1) is fixedly connected to an electric heating tube (5), and the electric heating tube (5) is located below the support plate (4). The upper surface of the furnace body (1) is provided with a first mounting hole (6), and a material guide cylinder (7) is fixedly connected to the inner wall of the first mounting hole (6). A sliding hole (8) is provided on the right side of the material guide cylinder (7), and a vibration mechanism (9) is fitted on the inner wall of the sliding hole (8) and the inner wall of the material guide cylinder (7). The bottom of the vibration mechanism (9) is fixedly connected to the upper surface of the furnace body (1), and a connecting pipe (10) is fixedly connected to the left side of the material guide cylinder (7) and the upper surface of the furnace body (1). A cylinder cover (11) is fitted on the surface of the material guide cylinder (7).

2. A horizontal roasting equipment for firing coated sand according to claim 1, It is characterized in that The vibration mechanism (9) comprises a slide cylinder (91), the inner wall of which contacts the inner wall of the material guide cylinder (7), the bottom of which is fixedly connected to a material guide hopper (92), the bottom end of which is fixedly connected to a high temperature resistant valve (93), the right side of which is fixedly connected to a slide plate (94), the inner wall of the slide hole (8) contacts the surface of the slide plate (94), the bottom of the slide plate (94) and the upper surface of the furnace body (1) are both fixedly connected to a spring (95), the upper surface of the slide plate (94) is fixedly connected to a vibration motor (96), the left side of the slide cylinder (91) is provided with a through hole (97), the inner wall of which is fixedly connected to a blocking net (98), and the blocking net (98) is located on the right side of the right end of the connecting pipe (10).

3. A horizontal roasting equipment for firing coated sand according to claim 1, It is characterized in that An air outlet hole (12) is provided on the upper surface of the furnace body (1), an annular mounting frame (13) is fixedly connected to the upper surface of the furnace body (1), and an air filter element (14) is fixedly connected to the inner wall of the annular mounting frame (13).

4. A horizontal roasting equipment for firing coated sand according to claim 2, It is characterized in that A controller (15) is fixedly connected to the front of the material guide cylinder (7), a second mounting hole (16) is opened on the right side of the slide cylinder (91), a temperature sensor (17) is fixedly connected to the inner wall of the second mounting hole (16), and the temperature sensor (17) and the high temperature resistant valve (93) are both electrically connected to the controller (15) via a wire.

5. A horizontal roasting equipment for firing coated sand according to claim 4, It is characterized in that The controller (15) comprises a box body (151), the front of the box body (151) is fixedly connected to a touch panel (152), the back of the box body (151) and the front of the material guide barrel (7) are fixedly connected to a cover plate (153), the front of the cover plate (153) is fixedly connected to a PCB assembly (154), and the touch panel (152), the temperature sensor (17) and the high temperature resistant valve (93) are all electrically connected to the PCB assembly (154) via wires.

6. A horizontal roasting equipment for firing coated sand according to claim 1, It is characterized in that The connecting pipe (10) comprises a control valve (101), and both ends of the control valve (101), the upper surface of the furnace body (1) and the left side of the material guide cylinder (7) are all fixedly connected with an air pipe (102).

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