Rubber vulcanization heating air duct convenient for temperature control

Abstract

The utility model discloses a rubber vulcanization heating air duct convenient for temperature control, which belongs to the field of rubber material heating and comprises a ventilation assembly and a heating assembly, the ventilation assembly comprises a drying tunnel, a plurality of air suction holes are symmetrically formed in two sides of the drying tunnel at equal intervals, a top plate is detachably mounted at the upper end of the drying tunnel, and an air groove is formed in the upper end of the top plate. Air grooves are formed in the upper end of the drying channel and the lower end of the top plate respectively, through grooves and air inlets are formed in the air grooves respectively, S-shaped air channels are installed at the upper end of the drying channel and the lower end of the top plate respectively, and a plurality of grid plates are installed on the surfaces of the S-shaped air channels. Therefore, the heating quality of the sizing material is improved, the use convenience of the heating device is enhanced, meanwhile, continuous feeding and discharging heating work can be conducted on the sizing material, and therefore the heating efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the field of rubber compound mixing, in particular to a rubber vulcanization heating air duct which is convenient for temperature control. Background Art

[0002] A heating device is required when producing rubber. The existing heating device has an "I"-shaped air outlet with high pressure near the air inlet, which leads to a large air flow rate and a high temperature in the corresponding area. The temperature uniformity of the drying tunnel using this air duct structure can only be controlled within + / -10°C, which cannot meet the needs of rubber foam product manufacturing. Based on this, it is necessary to provide a heating device with a temperature uniformity of + / -1.5°C, which can ensure accurate control of the foaming and vulcanization temperature of EPDM rubber materials, achieve a good match between the rubber cross-linking rate and the decomposition rate of the foaming agent, and improve the uniformity of the pore size and distribution of the foam material. In addition, the existing heating device is not convenient for continuous heating and loading and unloading of the rubber, which may affect the heating efficiency of the heating device. Based on this, it is necessary to provide a heating device that is convenient for continuous automatic loading and unloading and improves the heating efficiency. Utility Model Content

[0003] The embodiment of the utility model provides a rubber vulcanization heating air duct which is convenient for temperature control, aiming to solve the problem that the existing heating device is not convenient for uniformly adjusting the temperature distribution and affects the efficiency of rubber loading and unloading.

[0004] To achieve the above-mentioned purpose, the utility model provides a rubber vulcanization heating air duct which is convenient for temperature control, comprising a ventilation component and a heating component;

[0005] The ventilation assembly includes a drying duct, and a plurality of air suction holes are symmetrically provided on both sides of the drying duct. A top plate is detachably installed on the upper end of the drying duct, and an air slot is provided on the upper end of the top plate. A through slot and an air inlet are provided inside the air slot, respectively. An S-shaped air duct is installed on the upper end of the drying duct and the lower end of the top plate, and a plurality of grid plates are installed on the surface of the S-shaped air duct.

[0006] The heating assembly includes an electric heating tube, a conveyor belt is installed inside the drying tunnel, and a plurality of transmission shafts are rotatably connected inside the conveyor belt. A plurality of racks are installed on both sides of the inner wall of the conveyor belt, and a plurality of tooth grooves are opened on the side surfaces at both ends of the plurality of transmission shafts. The racks and the tooth grooves are meshed and connected, and a servo motor is connected to one end of one of the transmission shafts.

[0007] As a preferred solution of the utility model, a plurality of T-shaped bars are fixedly connected to both sides of the top plate, a plurality of T-shaped grooves are symmetrically opened on both sides of the inner wall of the drying tunnel, and the plurality of T-shaped bars are clamped inside the T-shaped grooves.

[0008] As a preferred solution of the utility model, two screw holes are arranged on both sides of the drying tunnel, and a plurality of connection holes are arranged on both sides of the drying tunnel.

[0009] As a preferred solution of the utility model, a ventilation block is fixedly connected to the upper end of the S-shaped air duct at the lower end of the top plate, and the ventilation block is installed inside the through groove. A plurality of installation grooves are opened on the surface of the S-shaped air duct, and a plurality of the grid plates are installed inside the installation grooves.

[0010] As a preferred solution of the utility model, the side surface of the electric heating tube is sleeved with a plurality of arc-shaped clamping blocks, and the side surfaces of the plurality of arc-shaped clamping blocks are fixedly connected with screw blocks, and the screw blocks are threadedly connected inside the screw holes.

[0011] As a preferred solution of the utility model, both ends of a plurality of the transmission shafts are connected with connecting shafts, and the connecting shafts are rotatably connected inside the connecting holes.

[0012] As a preferred solution of the utility model, the drying tunnel and the top plate are both made of aluminum alloy.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When in use, the heat in the drying tunnel can be evenly distributed through the air slots and air inlets on the upper end of the drying tunnel and the top plate. At the same time, the S-shaped air duct takes in air from the middle and has low resistance, so the lateral temperature uniformity can be guaranteed. The presence of several grid plates can fine-tune the air volume, further improving the uniformity of temperature distribution in the longitudinal direction. Compared with the heating device in the prior art, the utility model can significantly improve the uniformity of heat distribution of the heating device through the cooperation of the above structures, thereby enhancing the practicality of the heating device;

[0015] 2. When continuously feeding the rubber material, first start the servo motor to rotate one of the transmission shafts, and cooperate with the rack and tooth groove meshing connection to rotate the other two transmission shafts, so that the rubber material can be transported by the conveyor belt. At the same time, the electric heating tube is energized. At this time, the electric heating tube can heat the rubber material on the upper end of the conveyor belt, and the rubber material can continue to be fed as the conveyor belt continues to transmit. Compared with the heating device in the prior art, the utility model can continuously load and unload the rubber material and heat it through the cooperation of the above-mentioned structures, thereby improving the heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a disassembled diagram of the ventilation assembly structure of the utility model;

[0018] Figure 3 This is a disassembly diagram of the S-shaped air duct structure of the utility model;

[0019] Figure 4 This is a disassembly diagram of the electric heating tube structure of the utility model;

[0020] Figure 5 This is a disassembled diagram of the heating component structure of the utility model.

[0021] In the figure: 100, ventilation assembly; 101, drying tunnel; 102, air suction hole; 103, top plate; 104, air slot; 105, through slot; 106, air inlet; 107, S-shaped air duct; 108, grid plate; 111, T-shaped bar; 112, T-shaped slot; 121, screw hole; 122, connecting hole; 131, ventilation block; 132, mounting slot; 200, heating assembly; 201, electric heating pipe; 202, conveyor belt; 203, transmission shaft; 204, rack; 205, tooth groove; 206, servo motor; 211, arc-shaped block; 212, screw block; 221, connecting shaft. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 - Figure 5 , the utility model provides a rubber vulcanization heating air duct which is convenient for temperature control, comprising a ventilation component 100 and a heating component 200;

[0024] The ventilation assembly 100 includes a drying tunnel 101, and a plurality of air suction holes 102 are symmetrically and equidistantly provided on both sides of the drying tunnel 101. A top plate 103 is detachably installed on the upper end of the drying tunnel 101, and an air slot 104 is provided on the upper end of the top plate 103. A through slot 105 and an air inlet 106 are provided inside the air slot 104. An S-shaped air duct 107 is installed on the upper end of the drying tunnel 101 and the lower end of the top plate 103, and a plurality of grid plates 108 are installed on the surface of the S-shaped air duct 107.

[0025] The heating assembly 200 includes an electric heating tube 201. A conveyor belt 202 is installed inside the drying tunnel 101. A plurality of transmission shafts 203 are rotatably connected inside the conveyor belt 202. A plurality of racks 204 are installed on both sides of the inner wall of the conveyor belt 202. A plurality of tooth grooves 205 are provided on the side surfaces at both ends of the plurality of transmission shafts 203. The racks 204 and the tooth grooves 205 are meshed and connected. A servo motor 206 is connected to one end of one of the transmission shafts 203.

[0026] In a specific embodiment, the ventilation assembly 100 is provided in cooperation with the heating assembly 200, which can not only evenly distribute and adjust the lateral and longitudinal temperatures inside the drying tunnel 101, thereby improving the heating quality of the rubber material and enhancing the convenience of using the heating device, but also can continuously load and unload the rubber material for heating, thereby improving the heating efficiency. First, the servo motor 206 is started to rotate the transmission shaft 203, and the rack 204 and the tooth groove 205 can rotate the other two transmission shafts 203, thereby being able to transport the conveyor belt 202 and the rubber material on its upper end, and then the electric motor 206 is started to rotate the transmission shaft 203, and the rack 204 and the tooth groove 205 can rotate the other two transmission shafts 203, and then the conveyor belt 202 and the rubber material on its upper end can be transported. The heat pipe 201 is energized to control the electric heating pipe 201 to heat the rubber material on the upper end of the conveyor belt 202. At the same time, the conveyor belt 202 continues to rotate to unload the rubber material. During this process, the S-shaped air duct 107 cooperates with the ventilation block 131 in the middle of itself to take in air from the middle while reducing resistance, so that the lateral temperature uniformity can be adjusted, and the presence of several grid plates 108 can fine-tune the air output, further improving the uniformity of temperature distribution in the longitudinal direction. In addition, the wind slot 104 cooperates with the air inlet 106 to further evenly distribute the temperature, thereby improving the heating quality of the heating device.

[0027] See also Figure 2 and Figure 3 A plurality of T-shaped bars 111 are fixedly connected to both sides of the top plate 103 , a plurality of T-shaped slots 112 are symmetrically and equidistantly opened on both sides of the inner wall of the drying tunnel 101 , and the plurality of T-shaped bars 111 are clamped in the inside of the T-shaped slots 112 .

[0028] In a specific embodiment, the T-shaped bar 111 is clamped in the T-shaped slot 112 to facilitate the disassembly and assembly of the top plate 103 as needed, thereby improving the convenience of use.

[0029] See also Figure 2 and Figure 3 Two screw holes 121 are disposed on both sides of the drying tunnel 101 , and a plurality of connection holes 122 are disposed on both sides of the drying tunnel 101 .

[0030] In a specific embodiment, the screw hole 121 facilitates the disassembly, assembly and positioning of the electric heating tube 201 , and the connection hole 122 enables the transmission shaft 203 to be rotatably installed.

[0031] See also Figure 2 and Figure 3 A ventilation block 131 is fixedly connected to the upper end of the S-shaped air duct 107 at the lower end of the top plate 103. The ventilation block 131 is installed inside the through groove 105. A plurality of mounting grooves 132 are opened on the surface of the S-shaped air duct 107, and a plurality of grid plates 108 are installed inside the mounting grooves 132.

[0032] In a specific embodiment, the ventilation block 131 located in the middle of the S-shaped air duct 107 cooperates with the through groove 105 to facilitate the air to enter from the middle, thereby evenly distributing the temperature, and the installation groove 132 facilitates the installation and fixation of the grid plate 108.

[0033] See also Figure 4 and Figure 5 The side surface of the electric heating tube 201 is sleeved with a plurality of arc-shaped blocks 211 , and the side surfaces of the plurality of arc-shaped blocks 211 are fixedly connected with screw blocks 212 , and the screw blocks 212 are threadedly connected to the inside of the screw holes 121 .

[0034] In a specific embodiment, the arc-shaped clamping block 211 facilitates the installation of the electric heating tube 201, and the screw block 212 threadedly connected to the inside of the screw hole 121 can improve the installation stability of the electric heating tube 201. After the screw block 212 is removed, the arc-shaped clamping block 211 and the electric heating tube 201 can be disassembled.

[0035] See also Figure 4 and Figure 5 Both ends of the plurality of transmission shafts 203 are connected with connecting shafts 221 , and the connecting shafts 221 are rotatably connected inside the connecting holes 122 .

[0036] In a specific embodiment, the connecting shaft 221 is rotatably connected inside the connecting hole 122 to facilitate the rotatable connection of the transmission shaft 203 .

[0037] See also Figure 2 and Figure 3 The drying tunnel 101 and the top plate 103 are both made of aluminum alloy.

[0038] In a specific embodiment, the drying tunnel 101 and the top plate 103 made of aluminum alloy can not only enhance their own strength, but also reduce the heat conduction effect, thereby ensuring the temperature and preventing leakage, and preventing burns caused by excessive surface temperature of the drying tunnel 101.

[0039] Working principle: When in use, first start the servo motor 206 to rotate the transmission shaft 203, and cooperate with the rack 204 and the tooth groove 205 to rotate the other two transmission shafts 203, so that the rubber can be transported by the conveyor belt 202, and then the electric heating tube 201 is energized, so that the electric heating tube 201 can be controlled to heat the rubber on the upper end of the conveyor belt 202, and then the conveyor belt 202 continues to rotate to unload the rubber. In addition, the S-shaped air duct 107 cooperates with the ventilation block 131 in the middle of itself to take in air from the middle while reducing resistance, so that the lateral temperature uniformity can be adjusted, and the presence of several grid plates 108 can fine-tune the air output, further improving the uniformity of temperature distribution in the longitudinal direction. In addition, the wind slot 104 cooperates with the air inlet 106 to further disperse the temperature, thereby improving the heating quality of the heating device.

[0040] 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.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rubber vulcanization heating duct that is easy to control temperature, characterized in that: include: A ventilation assembly (100), the ventilation assembly (100) comprising a drying duct (101), a plurality of air suction holes (102) being symmetrically and equidistantly provided on both sides of the drying duct (101), a top plate (103) being detachably mounted on the upper end of the drying duct (101), a wind slot (104) being disposed on the upper end of the top plate (103), a through slot (105) and an air inlet (106) being respectively disposed inside the wind slot (104), an S-shaped air duct (107) being mounted on the upper end of the drying duct (101) and the lower end of the top plate (103), and a plurality of mesh plates (108) being mounted on the surface of the S-shaped air duct (107); A heating component (200) comprising an electric heating tube (201); a conveyor belt (202) is installed inside the drying tunnel (101); a plurality of transmission shafts (203) are rotatably connected inside the conveyor belt (202); a plurality of racks (204) are installed on both sides of the inner wall of the conveyor belt (202); a plurality of tooth grooves (205) are provided on the side surfaces at both ends of the plurality of transmission shafts (203); the racks (204) and the tooth grooves (205) are meshedly connected; and a servo motor (206) is connected to one end of one of the transmission shafts (203).

2. The temperature-controlled rubber vulcanization heating air duct according to claim 1, characterized in that: A plurality of T-shaped bars (111) are fixedly connected to both sides of the top plate (103), a plurality of T-shaped grooves (112) are symmetrically provided at equal distances on both sides of the inner wall of the drying tunnel (101), and the plurality of T-shaped bars (111) are clamped inside the T-shaped grooves (112).

3. The temperature-controlled rubber vulcanization heating air duct according to claim 1, characterized in that: Two screw holes (121) are provided on both sides of the drying tunnel (101), and a plurality of connection holes (122) are provided on both sides of the drying tunnel (101).

4. The temperature-controlled rubber vulcanization heating air duct according to claim 1, characterized in that: A ventilation block (131) is fixedly connected to the upper end of the S-shaped air duct (107) at the lower end of the top plate (103); the ventilation block (131) is installed inside the through groove (105); a plurality of mounting grooves (132) are provided on the surface of the S-shaped air duct (107); and a plurality of grid plates (108) are installed inside the mounting grooves (132).

5. The temperature-controlled rubber vulcanization heating air duct according to claim 1, characterized in that: The side surface of the electric heating tube (201) is sleeved with a plurality of arc-shaped clamping blocks (211), and the side surfaces of the plurality of arc-shaped clamping blocks (211) are all fixedly connected with screw blocks (212), and the screw blocks (212) are threadedly connected inside the screw holes (121).

6. The temperature-controlled rubber vulcanization heating air duct according to claim 1, characterized in that: Both ends of the plurality of transmission shafts (203) are connected to connecting shafts (221), and the connecting shafts (221) are rotatably connected inside the connecting holes (122).

7. The temperature-controlled rubber vulcanization heating air duct according to claim 1, characterized in that: The drying tunnel (101) and the top plate (103) are both made of aluminum alloy.

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