Aluminum bar gradient heating device

Abstract

This utility model discloses an aluminum rod gradient heating device, including a machine base. A heating box is fixedly installed on the upper part of the machine base, and a positioning frame is fixedly installed inside the heating box above the machine base. Equally spaced conveying rollers are rotatably installed inside the positioning frame. Two blowers are symmetrically installed on the top of the heating box, and heating wires are fixedly installed on the top inner side of the heating box. A circulation structure is provided above the heating box. The circulation structure includes a circulating fan fixedly installed on the upper part of the heating box. A triangular tube is fixedly installed at one end of the circulating fan, and an air inlet pipe and an air outlet pipe are fixedly installed at the other two ends of the triangular tube, respectively. Several air inlet nozzles and air outlet nozzles are fixedly installed at one end of the air inlet pipe and the air outlet pipe, respectively. A PLC controller is fixedly installed on the outer wall of the heating box. A limit structure is provided inside the heating box between the conveying rollers, which can realize the acceleration of the hot air inside the heating box to uniformly heat the surface of the aluminum rod.

Description

Technical Field

[0001] This utility model relates to the field of aluminum processing technology, and in particular to a gradient heating device for aluminum rods. Background Technology

[0002] In the aluminum processing process, heating the aluminum rod is a critical step, and the heating quality directly affects the subsequent processing technology and product quality. Currently, the aluminum rod is usually heated as a whole, that is, the aluminum rod is heated as a whole in a heating furnace so that the entire aluminum rod reaches the preset temperature.

[0003] However, existing methods simply involve heating the aluminum rods directly into the heating chamber using heating wires or heating tubes. This heating method is ineffective and inefficient, and the heating of the entire aluminum rod is not uniform or sufficient, which affects the gradient heating of the aluminum rod and thus limits the processing range and quality of the aluminum rod. Utility Model Content

[0004] The purpose of this invention is to provide an aluminum rod gradient heating device to solve the problems mentioned in the background art.

[0005] To solve the above problems, the following technical solution is provided: an aluminum rod gradient heating device, including a machine base, a heating box fixedly installed at the upper end of the machine base, and a positioning frame fixedly installed inside the heating box above the machine base. Equivalently spaced conveying rollers are rotatably installed inside the positioning frame. Two blowers are symmetrically installed on the top of the heating box, and heating wires are fixedly installed on the top inner side of the heating box. A circulation structure is provided above the heating box, the circulation structure including a circulating fan fixedly installed at the upper end of the heating box. A triangular tube is fixedly installed at one end of the circulating fan, and an air inlet pipe and an air outlet pipe are fixedly installed at the other two ends of the triangular tube, respectively. Several air inlet nozzles and air outlet nozzles are fixedly installed at one end of the air inlet pipe and the air outlet pipe, respectively. A PLC controller is fixedly installed on the outer wall of the heating box, and a limit structure is provided inside the heating box between the conveying rollers.

[0006] As a preferred embodiment of the above technical solution, a filter is fixedly installed on the outer wall of the air inlet duct, and a filter element is fixedly installed inside the filter. The air inlet duct and the air outlet duct pass through both sides of the heating box, and a limit frame is fixedly installed on the outer wall of each duct. The outer wall of the limit frame is fixedly installed on the inner wall of the heating box.

[0007] As a preferred embodiment of the above technical solution, one end of the air inlet and the air outlet are respectively positioned opposite to the aluminum rod, a temperature sensor is fixedly installed on the inner wall of the heating box, and heat-insulating tracks are fixedly installed on both the front and rear sides of the outer wall of the heating box.

[0008] As a preferred embodiment of the above technical solution, the limiting structure includes a positioning seat fixedly installed between the conveying rollers. Two positioning seats are symmetrically installed on the machine base, and the positions of the positioning seats and the conveying rollers do not conflict.

[0009] As a preferred embodiment of the above technical solution, each of the two positioning seats is fixedly equipped with a telescopic cylinder, and a limit frame is fixedly installed at one end of the telescopic cylinder. Multiple limit rollers are rotatably installed inside each limit frame, and the outer wall of the limit roller is adapted to the size of the aluminum rod.

[0010] As a preferred embodiment of the above technical solution, the positioning seat has two guide slide rods symmetrically slidably connected inside the telescopic cylinder, and one end of each guide slide rod is fixedly installed on the outer wall of the limiting frame.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. The device of this utility model is equipped with a circulation structure. By driving two sets of blowers to rotate, the hot air in the heating box is driven to flow rapidly, so that the hot air is blown onto the surface of the aluminum rod for initial heating. By driving the circulating air, the hot air in the heating box enters the air inlet pipe through multiple air inlets. The hot air is filtered by a filter, and then the clean hot air is exhaled from multiple air outlets 77 through one end of the air outlet pipe. This helps to accelerate the flow rate of the hot air, promote rapid heating of the surface of the aluminum rod, and improve the uniform heating efficiency of the aluminum rod.

[0012] 2. The device of this utility model is equipped with a limiting structure. By driving the telescopic cylinders in the two positioning seats, the limiting frames are moved relative to each other, causing multiple limiting rollers in the two limiting frames to fit against the outer wall of the aluminum rod. This effectively limits the different aluminum rods during heating, avoids the position of the aluminum rods shifting during transportation, and prevents them from affecting the heating effect, thereby improving the heating stability of the aluminum rods.

[0013] Specific embodiments of the present invention are disclosed in detail with reference to the following description and accompanying drawings, indicating how the principles of the present invention can be employed. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications, and equivalents. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of an aluminum rod gradient heating device according to the present invention; Figure 2 This is a side view of the aluminum rod gradient heating device of this utility model. Figure 3 for Figure 2 A partial enlarged diagram of the split structure; Figure 4 for Figure 2 A magnified schematic diagram of the localized explosion structure.

[0015] In the diagram: 1. Machine base; 2. Positioning frame; 3. Conveyor roller; 4. Heating box; 5. Blower; 6. Insulated conveyor belt; 7. Circulation structure; 71. Circulating fan; 72. Air inlet duct; 73. Limiting frame; 74. Air inlet nozzle; 75. Filter; 76. Air outlet duct; 77. Air outlet nozzle; 8. PLC controller; 9. Limiting structure; 91. Positioning seat; 92. Telescopic cylinder; 93. Guide slide bar; 94. Limiting frame; 95. Limiting roller; 10. Temperature sensor; 11. Heating wire. Detailed Implementation

[0016] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0017] like Figures 1 to 4 As shown, this embodiment provides a gradient heating device for aluminum rods, including a machine base 1. A heating box 4 is fixedly installed on the upper end of the machine base 1, and a positioning frame 2 is fixedly installed inside the heating box 4 above the machine base 1. Equivalently spaced conveying rollers 3 are rotatably installed inside the positioning frame 2. Two blowers 5 are symmetrically installed on the top of the heating box 4, and a heating wire 11 is fixedly installed on the top inner side of the heating box 4. A circulation structure 7 is provided above the heating box 4. The circulation structure 7 includes a circulating fan 71 fixedly installed on the upper end of the heating box 4. A triangular tube is fixedly installed at one end of the circulating fan 71, and an air inlet pipe 72 and an air outlet pipe 76 are fixedly installed at the other two ends of the triangular tube, respectively. Several air inlet nozzles 74 and air outlet nozzles 77 are fixedly installed at one end of the air inlet pipe 72 and the air outlet pipe 76, respectively. A PLC controller 8 is fixedly installed on the outer wall of the heating box 4, and a limit structure 9 is provided inside the heating box 4 between the conveying rollers 3.

[0018] like Figures 2 to 3 As shown, a filter 75 is fixedly installed on the outer wall of the air inlet duct 72, and a filter element is fixedly installed inside the filter 75. The air inlet duct 72 and the air outlet duct 76 pass through the inner sides of the heating box 4, and a limit bracket 73 is fixedly installed on the outer wall of each. The outer wall of the limit bracket 73 is fixedly installed on the inner wall of the heating box 4. One end of the air inlet nozzle 74 and the air outlet nozzle 77 are respectively positioned opposite to the aluminum rod. A temperature sensor 10 is fixedly installed on the inner wall of the heating box 4. Insulated tracks 6 are fixedly installed on the front and rear sides of the outer wall of the heating box 4.

[0019] Temperature sensor 10 detects the temperature of the aluminum rod at different locations in real time and transmits the temperature signal to the controller. The controller adjusts the heating power of each heating module by controlling the power regulator of each heating module according to the preset temperature gradient requirements and the actual temperature signal detected by temperature sensor 10, so that the temperature of different parts of the aluminum rod reaches the preset gradient requirements. This is an existing mature technology and has not been described in detail in this application. The inner wall of the heating box 4 is provided with a heat insulation layer to reduce heat loss and improve heating efficiency. Two sets of limiting brackets 73 are set to limit the relative positions of the air inlet pipe 72 and the air outlet pipe 76.

[0020] like Figure 4 As shown, the limiting structure 9 includes a positioning seat 91 fixedly installed between the conveying rollers 3. Two positioning seats 91 are symmetrically installed on the machine base 1, and the positions of the positioning seats 91 and the conveying rollers 3 do not conflict. A telescopic cylinder 92 is fixedly installed inside each of the two positioning seats 91, and a limiting frame 94 is fixedly installed at one end of the telescopic cylinder 92. Multiple limiting rollers 95 are rotatably installed inside the limiting frame 94. The outer wall of the limiting roller 95 is adapted to the size of the aluminum rod. Two guide rods 93 are symmetrically slidably connected to the telescopic cylinders 92 inside the positioning seat 91, and one end of each guide rod 93 is fixedly installed on the outer wall of the limiting frame 94.

[0021] Two guide rods 93 are symmetrically slidably connected inside the positioning seat 91, thereby guiding the position of the limiting frame 94 to move, which makes the aluminum rod relatively stable when it is limited. At the same time, multiple limiting rollers 95 contact the surface of the aluminum rod and are relatively adapted to the size of the aluminum rod, so as to avoid the aluminum rod from shifting during the conveying process and affecting its heating operation.

[0022] The working principle and process of this utility model are as follows: During operation, the operator inputs the preset temperature of each part of the aluminum rod through the touch screen, and then starts the drive motor on the outside of the positioning frame 2 to drive the conveying roller 3 to rotate, conveying the aluminum rod into the heating furnace. When the aluminum rod is conveyed to the appropriate position, the telescopic cylinder 92 in the two positioning seats 91 drives the limiting frame 94 to move relative to each other, causing the multiple limiting rollers 95 in the two limiting frames 94 to fit against the outer wall of the aluminum rod, thereby effectively limiting the heating of different aluminum rods. At this time, the heating wire 11 is started to heat the aluminum rod. The infrared temperature sensor 10 detects the temperature of the aluminum rod in real time and transmits the temperature signal to the PLC controller 8. The PLC controller 8 compares the detected temperature with the preset temperature. The heating power of the heating wire 11 is adjusted by the power regulator to make the temperature of each part of the aluminum rod reach the preset requirements. When the detected temperature exceeds the preset range, the PLC controller 8 controls the sound and light alarm to issue an alarm signal. When heating the aluminum rod, the hot air in the heating box 4 is rapidly circulated by driving the two sets of blowers 5 to blow the hot air onto the surface of the aluminum rod for initial heating. The hot air in the heating box 4 is driven to enter the air inlet pipe 72 through multiple air inlets 74 by driving the circulating fan 71. The hot air is filtered by the filter 75 and then the clean hot air is blown out from multiple air outlets 77 through one end of the air outlet pipe 76 to accelerate the flow rate of the hot air and promote rapid heating of the surface of the aluminum rod.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

Claims

1. A gradient heating device for an aluminum rod, characterized in that, The system includes a machine base (1), on which a heating box (4) is fixedly installed. A positioning frame (2) is fixedly installed inside the heating box (4) above the machine base (1). Equivalently spaced conveying rollers (3) are rotatably installed inside the positioning frame (2). Two blowers (5) are symmetrically installed on the top of the heating box (4). A heating wire (11) is fixedly installed on the top inner side of the heating box (4). A circulation structure (7) is provided above the heating box (4). The circulation structure (7) includes components fixedly installed on the heating box. The upper end of the box (4) has a circulating fan (71). One end of the circulating fan (71) is fixedly installed with a triangular tube, and the other two ends of the triangular tube are respectively fixedly installed with an air inlet pipe (72) and an air outlet pipe (76). One end of the air inlet pipe (72) and the air outlet pipe (76) is respectively fixedly installed with a number of air inlet nozzles (74) and air outlet nozzles (77). The outer wall of the heating box (4) is fixedly installed with a PLC controller (8). The heating box (4) is provided with a limit structure (9) between the conveying rollers (3).

2. The aluminum rod gradient heating device according to claim 1, characterized in that, The air inlet pipe (72) is fixedly provided with a filter (75) on its outer wall, and a filter element is fixedly provided inside the filter (75). The air inlet pipe (72) and the air outlet pipe (76) pass through the inner sides of the heating box (4) respectively, and a limit frame (73) is fixedly installed on the outer wall of each. The outer wall of the limit frame (73) is fixedly installed on the inner wall of the heating box (4).

3. The aluminum rod gradient heating device according to claim 2, characterized in that, One end of the air inlet (74) and the air outlet (77) are respectively positioned opposite to the aluminum rod. A temperature sensor (10) is fixedly installed on the inner wall of the heating box (4). Insulating tracks (6) are fixedly installed on the front and rear sides of the outer wall of the heating box (4).

4. The aluminum rod gradient heating device according to claim 1, characterized in that, The limiting structure (9) includes a positioning seat (91) fixedly installed between the conveying rollers (3). There are two positioning seats (91) symmetrically installed on the machine base (1), and the positioning seats (91) do not conflict with the positions of the conveying rollers (3).

5. The aluminum rod gradient heating device according to claim 4, characterized in that, Both positioning seats (91) are fixedly installed with telescopic cylinders (92), and one end of the telescopic cylinder (92) is fixedly installed with a limit frame (94). Multiple limit rollers (95) are rotatably installed inside the limit frame (94), and the outer wall of the limit roller (95) is adapted to the size of the aluminum rod.

6. The aluminum rod gradient heating device according to claim 5, characterized in that, The positioning seat (91) is located inside the telescopic cylinder (92) and has two guide slide rods (93) symmetrically slidably connected. One end of each guide slide rod (93) is fixedly installed on the outer wall of the limiting frame (94).

Images