An electromagnetic heating melting glue unit
A technology of hot-melt adhesives and adhesives, applied in induction heating, induction heating devices, coil devices, etc., can solve the problems of complex heat transfer process, difficult temperature control, and large heating hysteresis, and achieve less energy loss and faster heating Fast and efficient heating effect
Inactive Publication Date: 2018-07-31
NANJING UNIV OF SCI & TECH
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Problems solved by technology
[0005]Heating temperature control: the heat transfer process in the heating process is relatively complicated, and there is still heat loss in each process, resulting in a relatively large heating hysteresis and difficult temperature control;
[0006]Rubber carbonization: Under the condition of long-term heating in traditional heating methods, due to thermal inertia and heat conduction, the rubber will inevitably be carbonized, resulting in defective products
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[0029] Below in conjunction with the embodiment shown in the accompanying drawings, the present invention is described in detail as follows:
[0030] as attached figure 1 to attach Figure 4 As shown, an electromagnetic heating melting glue unit includes an aluminum base 10 with a glue outlet channel, a heat conduction part 20 located above the aluminum base 10 and thermally conducted with it, and a steel glue cylinder disposed above the heat conduction part 20 30. The inside of the steel glue cylinder 30 has a glue material storage cavity 60, and the center of the heat conduction part 20 and the center of the aluminum base 10 have a hot melt glue flow channel 70, and the hot melt glue flow channel 70 runs through to the glue material storage cavity 60, The glue melting unit also includes a first induction coil 40 that is thermally conductive with the heat conducting part 20, and a second induction coil 50 that is thermally conductive with the steel glue tank 30. The glue mel...
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The invention discloses an electromagnetic heating glue-melting unit. The electromagnetic heating glue-melting unit comprises an aluminum base, a thermal conductive part and a steel glue cylinder, wherein a glue discharging channel is formed in the aluminum base; the thermal conductive part is arranged above the aluminum base and is in heat conduction with the aluminum base; the steel glue cylinder is arranged above the thermal conductive part; a glue accommodating cavity is formed in the steel glue cylinder; a thermal glue-melting runner is formed in the center of the thermal conductive part and the center of the aluminum base; the thermal glue-melting runner runs through to the glue accommodating cavity; the glue-melting unit also comprises first induction coils that are arranged in a thermal conduction manner with the thermal conductive part, and second induction coils that are arranged in a thermal conduction manner with the steel glue cylinder; the glue-melting unit also comprises a control unit; the control unit comprises multiple first temperature sensors, multiple second temperature sensors and a control circuit; a first feedback circuit is formed among the first temperature sensors, the first induction coils and the control circuit; and a second feedback circuit is formed among the second temperature sensors, the second induction coils and the control circuit. The glue-melting unit is high in temperature rising speed, glue utilization rate, thermal efficiency, and glue melting rate, and capable of avoiding glue carbonization.
Description
technical field [0001] The invention relates to an electromagnetic heating glue melting unit. Background technique [0002] Although the melting glue unit in the current low-pressure glue injection equipment has solved the problem of melting glue, there are still many problems to be overcome, such as: [0003] Heating efficiency: resistance wire heating, low efficiency, long time consumption, high heat loss, short service life of heating rods, and large maintenance; [0004] Melting rate: The melting rate of the working rubber compound using the traditional heating method is very low in the first 30 minutes; [0005] Heating temperature control: The heat transfer process in the heating process is relatively complicated, and there is still heat loss in each process, resulting in relatively large heating hysteresis and difficult temperature control; [0006] Rubber material carbonization: under the condition of traditional heating for a long time, due to thermal inertia and ...
Claims
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IPC IPC(8): H05B6/36H05B6/10
CPCH05B6/10H05B6/36
Inventor 包建东朱建晓
Owner NANJING UNIV OF SCI & TECH