A constant temperature heating system device for hemming equipment
By designing a constant temperature heating system device for edge-enclosed equipment, the problems of easy damage to the electric heating fan and temperature control in the prior art are solved, constant temperature heating and precise temperature control are achieved, and the service life and efficiency of the equipment are improved.
Patent Information
- Application Number
- CN202210480489.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-05-05
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2042-05-05
AI Technical Summary
In the existing automotive interior parts surround equipment, the electric heating fan is prone to damage and the temperature control is not constant, resulting in uneven heating and affecting the equipment life and efficiency.
A constant temperature heating system device for edge-enclosing equipment is designed, including air inlet duct, electric heating rod, thermal insulation cavity and heating cavity. It is divided into two upper and lower cavity by horizontal partitions, and heat storage and uniform distribution is used for thermal storage and uniform distribution, and the electric heating rod is accurately controlled with a temperature sensor.
Constant temperature heating is achieved, reducing the risk of equipment damage, improving the accuracy of temperature control and the service life of the equipment.
Smart Images

Figure CN114789560B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of automobile interior trim processing, and in particular to a constant temperature heating system device for hemming equipment. Background Art
[0002] In the past, after the frame of automotive interior parts is attached to the skin, it is necessary to wrap the skin around the edge of the frame and use hemming equipment to wrap the edge. The position to be hemmed needs to be heated during the hemming process. The existing technology uses electric hot air for heating and blowing, and the hot air blower and the heating cavity are easily damaged for a long time; the fan adopts an on-off method to supply hot air, which is not constant, and the temperature will fluctuate, and the accurate temperature cannot be controlled; the fan adopts a continuous blowing method, which will cause the temperature of the heating cavity to be too high and radiate heat to the outside, heating other components near the heating cavity and causing damage, resulting in unnecessary waste. Summary of the invention
[0003] In order to solve the above technical problems, the present invention proposes a constant temperature heating system device for edge wrapping equipment, which has a clever design, a compact and reasonable structure, can store heat, maintain a constant temperature, blow air when in use, and stop blowing when not in use.
[0004] The technical solution of the present invention:
[0005] A constant temperature heating system device for hemming equipment, comprising an air inlet pipe, an electric heating rod, a heat preservation cavity, a heating cavity, and a hot air outlet, wherein an air inlet pipe is installed at the upper end of the heat preservation cavity, the heat preservation cavity is designed in a rectangular shape, a plurality of electric heating rods are installed on both sides of the heat preservation cavity, the interior of the heat preservation cavity is designed to be divided into two cavities by a horizontal partition, the two cavities are an upper cavity and a lower cavity, circular holes for connecting the upper cavity and the lower cavity are respectively opened at both ends of the horizontal partition, a continuous S-shaped bend is designed inside the upper cavity, and a plurality of vertical bends are designed inside the lower cavity A plurality of vertical partitions or horizontal partitions, a plurality of vertical partitions or horizontal partitions are vertically installed below the horizontal partition, a gap is left between the lower ends of the plurality of vertical partitions or horizontal partitions and the bottom of the lower cavity, the heating cavity is installed below the heat-insulating cavity or at both ends of one side of the heat-insulating cavity, the lower profile of the heating cavity is designed to imitate the profile design of the edging product, the hot air outlet is designed at the bottom of one side of the heating cavity, and the profile of the hot air outlet is also designed to imitate the edge profile design of the edging product.
[0006] The insulation cavity is sealed by end covers at the top and bottom, and three through holes are respectively opened on both sides of the insulation cavity, and an electric heating rod is installed in each through hole; the continuous S-shaped bend includes a plurality of left baffles and a plurality of right baffles, and the plurality of left baffles and the plurality of right baffles are cross-vertically installed on the horizontal partition, and gaps are left between the plurality of left baffles and the right side wall of the upper cavity, and gaps are left between the plurality of right baffles and the left side wall of the upper cavity; a gap is left between the left baffle and the right baffle corresponding to the position where the insulation cavity is connected to the air inlet duct and the upper end cover of the insulation cavity.
[0007] The upper end of the heating cavity is fixedly connected to the lower end of the insulation cavity, and the bottom of the insulation cavity and the upper end of the heating cavity are respectively designed with a number of corresponding and mutually connected air holes, the upper ends of several air holes are connected to the lower cavity, and the lower ends of several air holes are connected to the heating cavity; the upper end of the lower cavity is designed with a number of vertical partitions.
[0008] The heating cavity is installed at both ends of one side of the insulation cavity. The insulation cavity is connected to the inner side of the heating cavity through pipelines near the two ends. One end of the pipeline is connected to the inner side of the lower cavity, and the other end of the pipeline is connected to one end of the inner side of the heating cavity.
[0009] An insulation cavity is also designed on the other side of the heating cavity. The bottom of the lower cavity of the insulation cavity is connected to the other end of the inner side of the heating cavity on both sides through pipes. Several horizontal partitions are designed in the lower cavity of the insulation cavity. The insulation cavity is installed in a tilted manner.
[0010] The heat preservation cavity and the heating cavity are both made of aluminum.
[0011] A temperature sensor is designed and installed in the heat preservation cavity; the upper end of the air inlet pipe is connected to the fan.
[0012] The heating cavity is designed with vertical ribs, transverse ribs or arcuate ribs inside, and the vertical ribs, transverse ribs or arcuate ribs are installed on the inner side wall and leave a gap between the vertical ribs, the transverse ribs or the arcuate ribs and the other side wall for air flow.
[0013] The advantages of the present invention are as follows: the design is ingenious and the structure is reasonable and compact. The heat preservation cavity structure design can effectively store heat and ensure constant temperature. The air inlet pipe is connected to the fan to blow hot air at the required temperature during heating and stop blowing when not in use. The temperature sensor designed in the heat preservation cavity effectively controls the heating action of the electric heating rod to ensure that the temperature is the designed heating temperature. The temperature will not be too high, which will affect the service life of other surrounding components. It is safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the use status of the present invention.
[0015] Figure 2 It is a three-dimensional schematic diagram of the present invention.
[0016] Figure 3 yes Figure 2 Vertical cross-sectional view of .
[0017] Figure 4 yes Figure 2 Longitudinal cross-sectional view of .
[0018] Figure 5 It is a vertical cross-sectional view of the heating cavity installed at the lower end of the heat preservation cavity of the present invention.
[0019] Figure 6 yes Figure 5 Schematic diagram of the inner wall of the medium heating cavity.
[0020] Figure 7 It is a schematic diagram of the inner wall of the heating cavity of the present invention installed on the side of the heat preservation cavity.
[0021] Figure 8 yes Figure 2 Middle transverse section view.
[0022] Fig. 9 yes Figure 2 Partial transverse cross-sectional view.
[0023] Fig.10 It is a cross-sectional schematic diagram of the present invention in use state. DETAILED DESCRIPTION
[0024] Refer to the attached Figure 1-10 A constant temperature heating system device for hemming equipment comprises an air inlet pipe 1, an electric heating rod 2, a heat preservation cavity 3, a heating cavity 4, and a hot air outlet 5. The upper end of the heat preservation cavity 3 is provided with an air inlet pipe 1, the heat preservation cavity 3 is designed in a rectangular shape, and a plurality of electric heating rods 2 are installed on both sides of the heat preservation cavity 3. The interior of the heat preservation cavity 3 is divided into two cavities by a horizontal partition 6. The two cavities are an upper cavity 31 and a lower cavity 32. Circular holes 35 for connecting the upper cavity 31 and the lower cavity 32 are respectively opened at both ends of the horizontal partition 6. A continuous S-shaped bend is designed inside the upper cavity 31, and a plurality of electric heating rods 2 are designed inside the lower cavity 32. The main vertical partition 33 or several horizontal partitions 34, several vertical partitions 33 or several horizontal partitions 34 are vertically installed below the horizontal partition 6, and a gap is left between the lower ends of the several vertical partitions 33 or several horizontal partitions 34 and the bottom of the lower cavity 32. The heating cavity 4 is installed below the insulation cavity 3 or at both ends of one side of the insulation cavity 3. The lower profile of the heating cavity 4 is designed to imitate the profile design of the edging product. The hot air outlet 5 is designed at the bottom of one side of the heating cavity 4, and the profile of the hot air outlet 5 is also designed to imitate the edge profile design of the edging product.
[0025] like Figure 3 , Figure 5 , Figure 8 , Fig. 9 The insulation cavity 3 is sealed by end caps 30 at the top and bottom, and three through holes are respectively opened on both sides of the insulation cavity 3, and an electric heating rod 2 is installed in each through hole; the continuous S-shaped bend includes a plurality of left baffles 311 and a plurality of right baffles 312, and the plurality of left baffles 311 and the plurality of right baffles 312 are cross-vertically installed on the horizontal partition 6, and a gap is left between the plurality of left baffles 311 and the right side wall of the upper cavity 31, and a gap is left between the plurality of right baffles 312 and the left side wall of the upper cavity 31; the position where the insulation cavity 3 is connected to the air inlet duct 1 has a gap between the left baffle 311 and the right baffle 312 corresponding to the distance from the upper end cap of the insulation cavity 3. The continuous S-shaped bend design and the upper and lower cavity designs can effectively keep warm and store heat, and the outside wind can reach the expected temperature after circulation after entering, ensuring constant temperature.
[0026] like Figure 3 , Figure 5 , Figure 6 The upper end of the heating cavity 4 is fixedly connected to the lower end of the heat preservation cavity 3, and the bottom of the heat preservation cavity 3 and the upper end of the heating cavity 4 are respectively designed with a number of vents 7 corresponding to each other and interconnected, the upper ends of the vents 7 are connected to the lower cavity 32, and the lower ends of the vents 7 are connected to the heating cavity 4; a number of vertical partitions 33 are designed at the upper end of the lower cavity 32. A circular hole is designed in the middle of the inner wall of the lower heating cavity 4, and an auxiliary electric heating rod 40 is installed in the circular hole to ensure that the temperature inside the lower heating cavity is constant. A number of vertical ribs 42 are also designed above the inner wall of the circular hole, which can store heat well.
[0027] like Figure 3 , Figure 5 The heating cavity 4 is installed at both ends of one side of the insulation cavity 3, and the insulation cavity 3 is connected to the inner side of the heating cavity 4 through pipelines 8 near the two ends. One end of the pipeline 8 is connected to the inner side of the lower cavity 32, and the other end of the pipeline 8 is connected to one end of the inner side of the heating cavity 4.
[0028] like Figure 2 , Figure 3 , Figure 8 A heat preservation cavity 3 is also designed on the other side of the heating cavity. The bottom sides of the lower cavity 32 of the heat preservation cavity 3 are connected to the other inner ends of the heating cavities on both sides through pipelines 8 respectively. Several horizontal partitions 34 are designed in the lower cavity 32 of the heat preservation cavity 3; the heat preservation cavity 3 is installed in a tilted manner.
[0029] The heat preservation cavity 3 and the heating cavity 4 are both made of aluminum. A heat insulation board 9 is designed outside the heat preservation cavity to prevent heat from dissipating outwards and to provide heat preservation.
[0030] The heat preservation cavity 3 is designed to be installed with a temperature sensor; the upper end of the air inlet pipe 1 is connected to a fan. Figure 6 , Figure 7 The heating cavity is designed with vertical ribs 41, transverse ribs 42 or arc ribs 43. The vertical ribs, transverse ribs or arc ribs are installed on the inner wall and leave gaps between the other side wall for air flow. The vertical ribs, transverse ribs or arc ribs guide the air flow and store heat.
[0031] When the present invention is used, first turn on the electric heating rod to heat the insulation cavity to a set temperature, and then the fan starts to blow air to the insulation cavity through the air inlet pipe. The airflow enters the upper cavity of the insulation cavity, flows to both sides through continuous S-shaped bends, enters the lower cavity below from the circular holes on both sides of the horizontal partition, and then distributes the air through a number of vertical partitions, enters the interior of the heating cavity below through the air vents below, and the hot air flows inside the heating cavity and blows out through the hot air outlet. The outlet temperature is about 50 degrees Celsius lower than the set temperature in the insulation cavity. The heating temperature of the epidermis and the skeleton can be accurately controlled by this temperature difference. The above-mentioned heating cavity is installed below the insulation cavity. According to actual needs, heating cavities can also be designed on both sides, and the lower cavity of the insulation cavity can be heated by pipelines. The hot air flow from the body is blown into the inside of the heating cavity on the side, and then blown out from the hot air outlet at the bottom; the present invention also proposes to design two heat-insulating cavities, and supply hot air to the heating cavity on the side at the same time to ensure constant temperature; the constant temperature heating system device for edge wrapping equipment provided by the present invention is shown in the accompanying drawings, the inner sides of the side heating cavities on both sides are installed on the frame 10 of the pre-pressing mold in the middle and upper part of the edge wrapping equipment 100 through a slider rail structure 22, the cylinder is installed in the middle of the frame 10 and the upper end of the cylinder 20 is connected to the inner sides of the side heating cavities on both sides through a connecting plate 21, and waist-shaped holes 24 are designed on both sides of the frame 10 corresponding to the connecting plates 21 for the connecting plates to rise and fall. The cylinder 20 controls the constant temperature heating system device for the entire edge wrapping equipment to slide up and down, and it descends when heating is required and rises when not required.
Claims
1. A constant temperature heating system device for hemming equipment, It is characterized in that It includes an air inlet pipe, an electric heating rod, a heat preservation cavity, a heating cavity, and a hot air outlet. The upper end of the heat preservation cavity is equipped with an air inlet pipe. The heat preservation cavity is designed in a rectangular shape. A plurality of electric heating rods are installed on both sides of the heat preservation cavity. The interior of the heat preservation cavity is divided into two cavities by a horizontal partition. The two cavities are an upper cavity and a lower cavity. Circular holes for connecting the upper cavity and the lower cavity are respectively opened at both ends of the horizontal partition. A continuous S-shaped bend is designed inside the upper cavity. A plurality of vertical partitions or a plurality of horizontal partitions are designed in the lower cavity. The plurality of vertical partitions or a plurality of horizontal partitions are vertically installed below the horizontal partition. If A gap is left between the lower end of the main vertical partition or several horizontal partitions and the bottom of the lower cavity. The heating cavity is installed below the insulation cavity or at the two ends of one side of the insulation cavity. The lower profile of the heating cavity is designed to imitate the profile design of the edge-wrapped product. The hot air outlet is designed at the bottom of one side of the heating cavity, and the profile of the hot air outlet is also designed to imitate the edge profile of the edge-wrapped product. The insulation cavity is sealed by end covers at the top and bottom, and three through holes are opened on both sides of the insulation cavity, and an electric heating rod is installed in each through hole. The continuous S-shaped bend includes several left baffles and several right baffles. , a plurality of left baffles and a plurality of right baffles are cross-mounted vertically on the horizontal partition, a plurality of left baffles are gaps between the right side wall of the upper cavity, and a plurality of right baffles are gaps between the left side wall of the upper cavity; a gap is left between the left baffle and the right baffle corresponding to the position where the insulation cavity is connected to the air inlet duct and the upper end cover of the insulation cavity; the upper end of the heating cavity is fixedly connected to the lower end of the insulation cavity, and the bottom of the insulation cavity and the upper end of the heating cavity are respectively designed with a plurality of vents corresponding to each other and interconnected, the upper ends of the plurality of vents are connected to the lower cavity, and the lower ends of the plurality of vents are connected to the heating cavity A heating type cavity; a plurality of vertical partitions are designed at the upper end of the interior of the lower cavity; the heating type cavity is installed at both ends of one side of the insulation cavity, and the side of the insulation cavity near the two ends is connected to the inner side of the heating type cavity through pipelines, one end of the pipeline is connected to the inner side of the lower cavity, and the other end of the pipeline is connected to one end of the inner side of the heating type cavity; an insulation cavity is also designed on the other side of the heating type cavity, and the two sides of the bottom of the lower cavity of the insulation cavity are respectively connected to the other end of the inner side of the heating type cavity on both sides through pipelines, and a plurality of horizontal partitions are designed in the lower cavity of the insulation cavity; the insulation cavity is installed in a tilted manner.
2. A constant temperature heating system device for hemming equipment according to claim 1, It is characterized in that The heat preservation cavity and the heating cavity are both made of aluminum.
3. A constant temperature heating system device for hemming equipment according to claim 1, It is characterized in that A temperature sensor is designed and installed in the heat preservation cavity; the upper end of the air inlet pipe is connected to the fan.
4. A constant temperature heating system device for hemming equipment according to claim 1, It is characterized in that The heating cavity is designed with vertical ribs, transverse ribs or arcuate ribs inside. The vertical ribs, transverse ribs or arcuate ribs are installed on the inner side wall and a gap for air flow is left between the vertical ribs, transverse ribs or arcuate ribs and the other side wall.
Citation Information
Patent Citations
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