CN212570717U

CN212570717U - Hot air circulating system for curing mutual inductor

Info

Publication number: CN212570717U
Application number: CN202021651062.6U
Authority: CN
Inventors: 周立民; 王均忠
Original assignee: Xianning Fengyuan High Tech Electric Co ltd
Current assignee: Xianning Fengyuan High Tech Electric Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-02-19
Anticipated expiration: 2030-08-10

Abstract

The utility model provides a steam circulation system that mutual-inductor solidification was used belongs to mutual-inductor production facility technical field. The drying box comprises a plurality of drying boxes, air outlet branch pipes connected to the tops of the drying boxes, air inlet branch pipes connected to the tops of the drying boxes, an exhaust pipe and a pressure relief pipe, wherein each air inlet branch pipe is connected with an air inlet main pipe in parallel, each air outlet branch pipe is connected with an air outlet main pipe in parallel, the air inlet main pipes, the air outlet main pipes, the exhaust pipe and the pressure relief pipe are interconnected through a four-way joint, an exhaust fan is arranged on each air outlet main pipe, a heater is arranged on each air inlet main pipe, an electric control valve is respectively arranged on each exhaust pipe and each air inlet main pipe, and. The utility model has the advantages of can improve the homogeneity of being heated of heat utilization efficiency and work piece.

Description

Hot air circulating system for curing mutual inductor

Technical Field

The utility model belongs to the technical field of mutual-inductor production facility, a steam circulation system that mutual-inductor solidification was used is related to.

Background

The mutual-inductor becomes the low-voltage with the high voltage through the electromagnetic induction principle, the heavy current becomes the undercurrent, so that measure or the protection of system, need pass through the mould behind each coil cladding insulating band, with the epoxy solidification outside the solenoid, the resin is filled to the mould in through the mode of pouring into, then demolish the mould after through the thermal cure, obtain the solenoid (being the mutual-inductor main part) of parcel resin material, the mould after through pouring is arranged in the drying cabinet in the curing process, then lead to the hot gas realization in the drying cabinet, current mode makes through the mode that sets up the heating plate bottom the drying cabinet, this kind of mode exists that thermal uniformity is relatively poor, the lower problem of heat utilization rate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem that exists to current technique, provide a steam circulation system that mutual-inductor solidification was used, the utility model aims to solve the technical problem how improve the homogeneity of being heated of dry solidification.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a hot gas circulation system that mutual-inductor solidification was used, its characterized in that, includes a plurality of drying cabinets, connects the branch pipe of giving vent to anger at drying cabinet top, connects the inlet branch pipe, a blast pipe and a pressure release pipe at drying cabinet top, and each inlet branch pipe is parallelly connected with an inlet manifold, and each branch pipe of giving vent to anger is parallelly connected with an outlet manifold, inlet manifold, outlet manifold, blast pipe and pressure release pipe are four through a cross interconnection, set up an air exhauster on the outlet manifold, the last heater that sets up of inlet manifold, set up an electric control valve on blast pipe and the inlet manifold respectively, set up a voltage limiting valve on the pressure release pipe.

Further, the drying cabinet includes the box, transversely puts a plurality of boards of putting in the box, and the interval equals between the adjacent board of putting, it has a blow vent respectively to put between board and the box both sides wall, and each blow vent that is close to same box lateral wall department is provided with a control mechanism, control mechanism is including the pull rod of vertical setting, the pull rod is vertical sliding connection on the box, be provided with a plurality of separation blades on the pull rod at the interval, interval between the adjacent separation blade is the twice of interval between the adjacent board of putting, the lower extreme of pull rod is fixed and is provided with a rack, be provided with a servo motor on the box, fixed being provided with on servo motor's the output shaft with rack toothing's gear, the blow vent at two arbitrary board both ends of two control mechanism control is in respectively and closes and open the.

Furthermore, each control mechanism corresponds to two position sensors, and the two position sensors are respectively arranged on the side walls of the box body corresponding to the end parts of the adjacent plates.

The position sensor is used for controlling the servo motor to stop, namely the servo motor is suspended after the position sensor is triggered by the blocking piece, and after a waiting time is over, the servo motor is restarted and rotates reversely.

Placing the workpieces to be solidified on each placing plate, closing the box body, starting the exhaust fan and the heater to enable airflow to circulate in the box body, and enabling each workpiece in the drying box to be heated and dried; after the drying is accomplished, in order to can be quick take out the work piece, need carry out the primary cooling in the drying cabinet, make the temperature of work piece reduce to the safe temperature that can manual operation, at this moment, close the automatically controlled valve on the air intake manifold, open the automatically controlled valve on the blast pipe, open the box door and form the less gap of admitting air, make the steam in the box can discharge through the blast pipe rapidly.

In order to further homogenize the distribution state of hot gas in the box body and improve the heat utilization rate and the heat cycle uniformity, the air vents at two sides of the placing plate are in a closed or opened state by controlling the two control mechanisms, specifically, when the air vent at one end of one placing plate is closed by the baffle plate on one control mechanism, the air vent at the other end of the placing plate is in an opened state due to the dislocation of the baffle plate on the other control mechanism, so that the air flow in the box body transversely bypasses through a channel between every two adjacent placing plates, the air vents at two ends of the same placing plate are intermittently controlled to be in the closed and opened states, the air flow path can be intermittently replaced, the positions of the mold can be well heated, the heated blank area can be eliminated, and the heated uniformity and the heat utilization rate are greatly improved.

Drawings

Fig. 1 is a schematic view of the internal structure of a drying box.

Fig. 2 is a schematic structural view of a hot gas circulation system.

In the figure, 1, a drying box; 11. placing a plate; 21. an air outlet branch pipe; 22. an intake branch pipe; 23. an exhaust pipe; 24. a pressure relief pipe; 25. an intake manifold; 26. a gas outlet header pipe; 31. an exhaust fan; 32. a heater; 41. an electrically controlled valve; 42. a pressure limiting valve; 51. a pull rod; 52. a baffle plate; 53. a servo motor; 54. a gear; 55. a position sensor.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and fig. 2, the drying oven comprises a plurality of drying ovens 1, air outlet branch pipes 21 connected with the tops of the drying ovens 1, air inlet branch pipes 22 connected with the tops of the drying ovens 1, an exhaust pipe 23 and a pressure relief pipe 24, wherein each air inlet branch pipe 22 is connected with an air inlet main pipe 25 in parallel, each air outlet branch pipe 21 is connected with an air outlet main pipe 26 in parallel, the air inlet main pipe 25, the air outlet main pipe 26, the exhaust pipe 23 and the pressure relief pipe 24 are interconnected through a four-way joint, an exhaust fan 31 is arranged on the air outlet main pipe 26, a heater 32 is arranged on the air inlet main pipe 25, an electric control valve 41 is respectively arranged on the exhaust pipe 23 and the air inlet main pipe 25.

The drying box 1 comprises a box body, a plurality of plates 11 transversely arranged in the box body are arranged, the distance between every two adjacent plates 11 is equal, air vents are respectively arranged between the two side walls of the plates 11 and the box body, a control mechanism is arranged at each air vent close to the position of the side wall of the same box body, the control mechanism comprises a pull rod 51 longitudinally arranged, the pull rod 51 is longitudinally and slidably connected onto the box body, a plurality of blocking pieces 52 are arranged on the pull rod 51 at intervals, the distance between every two adjacent blocking pieces 52 is twice of the distance between every two adjacent plates 11, a rack is fixedly arranged at the lower end of the pull rod 51, a servo motor 53 is arranged on the box body, a gear 54 meshed with the rack is fixedly arranged on an output shaft of the servo motor 53, and the two control mechanisms control the air vents.

Each control mechanism corresponds to two position sensors 55, and the two position sensors 55 are respectively arranged on the side walls of the box body corresponding to the end parts of the adjacent placing plates 11. The position sensor 55 is used to control the servo motor 53 to stop, i.e. the servo motor 53 stops after the position sensor 55 is triggered by the baffle plate 52, and after a waiting time, the servo motor 53 is restarted and rotates reversely.

Placing the workpieces to be solidified on each placing plate 11, closing the box body, starting the exhaust fan 31 and the heater 32 to enable airflow to circulate in the box body, heating and drying the workpieces in the drying box 1, opening the electric control valve 41 on the air inlet main pipe 25, closing the electric control valve 41 on the exhaust pipe 23, and relieving the pressure of the box body by the pressure limiting valve 42 when the pressure in the exhaust pipe 23 is higher; after the drying is accomplished, in order to take out the work piece fast, need carry out primary cooling in the drying cabinet 1, make the temperature of work piece reduce to the safe temperature that can manually operation, at this moment, close the automatically controlled valve 41 on the air intake manifold 25, open the automatically controlled valve 41 on the blast pipe 23, open the box door and form less gap of admitting air, make the steam in the box can discharge through blast pipe 23 rapidly.

In order to further homogenize the distribution state of hot gas in the box body and improve the heat utilization rate and the heat cycle uniformity, the vent holes at two sides of the placing plate 11 are in a closed or open state by controlling the two control mechanisms, specifically, when the vent hole at one end of one placing plate 11 is closed by the baffle piece 52 on one control mechanism, the vent hole at the other end of the placing plate 11 is in an open state due to the dislocation of the baffle piece 52 on the other control mechanism, so that the air flow in the box body transversely bypasses through the channel between every two adjacent placing plates 11, the vent holes at two ends of the same placing plate 11 are intermittently controlled to be in the closed and open states, the air flow path can be intermittently replaced, the positions of the mold can be well heated, the heated blank area can be eliminated, and the heated uniformity and the heat utilization rate are greatly improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A hot air circulation system for curing a mutual inductor is characterized by comprising a plurality of drying boxes (1), air outlet branch pipes (21) connected with the tops of the drying boxes (1), air inlet branch pipes (22) connected with the tops of the drying boxes (1), an exhaust pipe (23) and a pressure relief pipe (24), wherein each air inlet branch pipe (22) is connected with an air inlet main pipe (25) in parallel, each air outlet branch pipe (21) is connected with an air outlet main pipe (26) in parallel, the air inlet manifold (25), the air outlet manifold (26), the exhaust pipe (23) and the pressure relief pipe (24) are interconnected through a four-way joint, an exhaust fan (31) is arranged on the air outlet main pipe (26), a heater (32) is arranged on the air inlet main pipe (25), an electric control valve (41) is respectively arranged on the exhaust pipe (23) and the air inlet main pipe (25), and a pressure limiting valve (42) is arranged on the pressure relief pipe (24).

2. The hot air circulation system for curing the mutual inductor according to claim 1, wherein the drying box (1) comprises a box body, a plurality of placing plates (11) transversely arranged in the box body, the distance between the adjacent placing plates (11) is equal, a vent is respectively arranged between the two side walls of the placing plates (11) and the box body, a control mechanism is arranged at each vent close to the same side wall of the box body, the control mechanism comprises a pull rod (51) longitudinally arranged, the pull rod (51) is longitudinally and slidably connected to the box body, a plurality of blocking pieces (52) are arranged on the pull rod (51) at intervals, the distance between the adjacent blocking pieces (52) is twice the distance between the adjacent placing plates (11), a rack is fixedly arranged at the lower end of the pull rod (51), a servo motor (53) is arranged on the box body, a gear (54) meshed with the rack is fixedly arranged on an output shaft of the servo motor (53), the two control mechanisms control the air vents at the two ends of any one plate (11) to be in a closed state and an open state respectively.

3. The hot air circulation system for curing the mutual inductor as claimed in claim 2, wherein each control mechanism corresponds to two position sensors (55), and the two position sensors (55) are respectively arranged on the side wall of the box body corresponding to the end part of the adjacent placing plate (11).