Tunnel type vacuum heating drying device and coil drying production line

Abstract

The utility model discloses a tunnel type vacuum heating and drying device and a coil drying production line, the tunnel type vacuum heating and drying device comprises a heating oven, a vacuum box and a door body assembly, the heating oven is provided with a heating device, and the front end and the rear end of the heating oven are respectively of an opening structure; the vacuum box is provided with a vacuumizing device, the front end and the rear end of the vacuum box are each of an opening structure, and the heating oven and the vacuum box are sequentially arranged in the front-back direction and communicate with each other. The door body assembly comprises two vacuum box doors which are correspondingly arranged at the front end and the rear end of the vacuum box respectively, each vacuum box door comprises a door frame, a door body and a driving device capable of driving the door body to move, and the closing mechanism can drive the door body to move in the direction close to an opening of the vacuum box. The heating and vacuumizing processes are completed respectively, the continuous production line type drying operation can be met, the drying efficiency is improved, and the good vacuum drying effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying equipment technical field, especially a tunnel type vacuum heating drying device and coil drying production line. BACKGROUND

[0002] The vacuum drying machine usually includes the box body, vacuum mechanism, heating mechanism and the like, and the working principle of the vacuum drying machine is to utilize the low pressure state under the vacuum environment to reduce the boiling point of water, so that the material realizes the rapid drying at the lower temperature.

[0003] At present, the insulating material contains certain moisture during the coil manufacturing, and the baling is completed, and the electrical performance of the electrical product such as mutual inductor is greatly influenced, so that the drying treatment needs to be carried out in the production process, and the smaller the water content removed in the drying process, the better the effect, so that the coil body drying degree becomes the difficult problem that the production enterprise needs to solve. The traditional method is that the coil body drying equipment adopts a single vacuum drying box, so that the automatic continuous drying operation is difficult to realize, and even if the single vacuum drying box is used, the coil body quantity is large, and the cooling time exposed to the air after the drying box is long, so that the moisture absorption phenomenon exists. The utility model discloses at least solve one of the technical problems in the prior art.

[0004] The utility model discloses at least solve one of the technical problems in the prior art.

[0005] The utility model discloses at least solve one of the technical problems in the prior art.

[0006] The tunnel type vacuum heating drying device according to the first aspect of the utility model, including heating oven, vacuum tank and door body assembly, the heating oven is equipped with heating device, the heating oven's front, rear two ends are open structure respectively, the vacuum tank is equipped with vacuumizing device, the vacuum tank's front, rear two ends are open structure respectively, the heating oven with the vacuum tank is sequentially arranged and communicates along front and back direction, the door body assembly includes two respectively corresponding vacuum tank door of the vacuum tank's front, rear two ends, the vacuum tank door includes door frame, the door body of the door frame's movable setting and the drive device that can drive the door body moves, the door body can move to with the vacuum tank's open corresponding door closing position and can move to the open of the vacuum tank's outside open door position, the drive device can drive the door body translation between the door closing position and the open door position, when the door body is in the open door position, the door body with the open of the vacuum tank has set gap in front and back direction, the door body with the door frame between being provided with closure mechanism, when the door body moves to the door closing position, the closure mechanism can drive the door body moves along the direction of approaching the open of the vacuum tank.

[0007] The tunnel type vacuum heating drying device according to the utility model embodiment has at least the following beneficial effects: since the heating oven and the vacuum tank are sequentially arranged and communicated along the front and back direction, the heating and vacuumizing processes are completed respectively, the continuous production line type drying operation can be met, the drying efficiency is improved, and the sealing of the vacuum tank is realized by the vacuum tank door, so that better vacuum drying effect is achieved.

[0008] According to some embodiments of the utility model, the door frame is provided with a guide rail groove capable of guiding the door body to translate between the door closing position and the open door position, and the door body is provided with a guide member capable of moving into the guide rail groove.

[0009] According to some embodiments of the utility model, the closure mechanism includes a guide groove connected with the guide rail groove, and when the door body moves to the door closing position, the guide groove can guide the door body to move along the direction of approaching the open of the vacuum tank.

[0010] According to some embodiments of the utility model, the guide groove is an inclined groove or a curved groove.

[0011] According to some embodiments of the utility model, the guide member is a pulley.

[0012] According to some embodiments of the utility model, the door body is a square structure, the door body is provided with the guide member at four corner positions respectively, and the door frame is provided with the guide rail groove on both sides respectively.

[0013] According to some embodiments of the present application, the door body is provided with a sealing element corresponding to the opening of the vacuum box.

[0014] According to some embodiments of the present application, the door body assembly further comprises a locking mechanism capable of locking the door body at the door opening position.

[0015] According to some embodiments of the present application, the locking mechanism comprises a locking cylinder arranged on the door frame, and a positioning element arranged on the locking cylinder, and the door body is provided with a positioning hole capable of being inserted by the positioning element.

[0016] According to some embodiments of the present application, the driving device comprises a driving cylinder arranged on the door frame, and a piston rod of the driving cylinder is connected to the door body through a cable and a roller set, the door body is capable of moving in the up-down direction, the driving cylinder is capable of driving the door body to move from bottom to top to the door opening position, and the door body is capable of moving from top to bottom to the door closing position by gravity.

[0017] According to some embodiments of the present application, the door body is capable of moving in the up-down direction within the door frame.

[0018] The coil drying production line according to the second aspect of the present application comprises: a tunnel type vacuum heating drying device according to any one of the first aspect of the present application, a blowing chamber, and a cooling chamber, the material conveying direction of the coil drying production line is from front to back, and the blowing chamber, the heating oven, the vacuum box and the cooling chamber are sequentially arranged and communicated from front to back.

[0019] The coil drying production line according to the present application has at least the following beneficial effects: a continuous drying production line can be formed, and the efficiency of coil drying is improved.

[0020] According to some embodiments of the present application, the heating oven is configured as two, i.e., a first heating oven and a second heating oven, and the blowing chamber, the first heating oven, the second heating oven, the vacuum box and the cooling chamber are sequentially arranged from front to back. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

[0022] Figure 1 FIG. 1 is a structural schematic view of a tunnel type vacuum heating drying device according to an embodiment of the present application;

[0023] Figure 2 FIG. 2 is a structural schematic view of a vacuum box door according to an embodiment of the present application;

[0024] Figure 3 It is the exploded schematic view of the vacuum box door of the embodiment of the utility model;

[0025] Figure 4 It is the connection schematic view of the driving device and the door body of the embodiment of the utility model;

[0026] Figure 5 It is the structure schematic view of the door body of the embodiment of the utility model;

[0027] Figure 6 It is the structure schematic view of the door frame of the embodiment of the utility model;

[0028] Figure 7 It is the front structure schematic view of the guide rail slot of the embodiment of the utility model;

[0029] Figure 8 It is the structure schematic view of the coil drying production line of the embodiment of the utility model.

[0030] Reference signs:

[0031] Heating oven 100, first heating oven 110, second heating oven 120;

[0032] Vacuum box 200;

[0033] Vacuum box door 300, door frame 310, guide rail slot 311, guide slot 312, door body 320, pulley 321, sealing element 322, positioning hole 323, driving cylinder 331, piston rod 332, cable 333, roller group 334, locking mechanism 340, locking cylinder 341, positioning element 342, cover plate 350, detachable panel 351;

[0034] Purging chamber 910, cooling chamber 920. DETAILED DESCRIPTION

[0035] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0036] In the description of the utility model, it is understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as limiting the utility model.

[0037] In the description of the utility model, if it is described to first, second only for distinguishing technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0038] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood broadly, and the person skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0039] The following refers to Figures 1 to 8 The tunnel type vacuum heating drying device and the coil drying production line according to the embodiments of the utility model are described.

[0040] As Figures 1 to 4 Indicated, the tunnel type vacuum heating drying device according to the embodiments of the utility model, including heating oven 100, vacuum box 200 and door body assembly, heating oven 100 is equipped with heating device, and the front and rear ends of heating oven 100 are open structure respectively;Vacuum box 200 is equipped with vacuumizing device, and the front and rear ends of vacuum box 200 are open structure respectively, and heating oven 100 and vacuum box 200 are sequentially arranged and communicated along the front and rear directions;The door body assembly includes two vacuum box doors 300 respectively corresponding to the front and rear ends of vacuum box 200, and the vacuum box door 300 includes door frame 310, door body 320 movably arranged in door frame 310 and drive device capable of driving door body 320 to move, door body 320 can be moved to the closed position corresponding to the opening of vacuum box 200 and can be moved to the opening position outside the opening of vacuum box 200, and drive device can drive door body 320 to translate between closed position and opening position, when door body 320 is located in opening position, door body 320 and the opening of vacuum box 200 have a set gap in the front and rear directions, and the closing mechanism is arranged between door body 320 and door frame 310, and when door body 320 moves to closed position, the closing mechanism can drive door body 320 to move along the direction close to the opening of vacuum box 200.

[0041] Because heating oven 100 and vacuum box 200 are sequentially arranged and communicated along the front and rear directions, respectively complete heating and vacuumizing process, can satisfy the operation of continuous production line type drying, improve the efficiency of drying, and the sealing of vacuum box 200 is realized by configuring vacuum box door 300, and better vacuum drying effect is achieved.

[0042] Specifically, the heating oven 100 and the vacuum box 200 are continuous channel structures, and a conveying mechanism for conveying workpieces is arranged, and the gap between the heating oven 100 and the vacuum box 200 and the rear end opening of the vacuum box 200 are provided with the vacuum box door 300, due to the limitation of the gap between the box bodies, the door body 320 can only be inserted into the front and rear end openings of the vacuum box door 300 laterally, such as from top to bottom, from bottom to top, from left to right, from right to left and the like, if the door body 320 is arranged to match the gap between the box bodies to ensure the sealing effect, when the door body 320 is inserted, it is easy to scratch the box body, causing damage to the sealing surface or sealing member, and the sealing effect cannot be achieved, in the utility model, when the door body 320 is located at the door opening position, the door body 320 and the opening of the vacuum box 200 have a set gap in the front and rear directions, reducing the scratching of the door body 320 and the box body when the door body 320 is inserted, and when the door body 320 moves to the door closing position, the closing mechanism can drive the door body 320 to move in the direction close to the opening of the vacuum box 200, thereby reducing the set gap, at this time, the vacuumizing device works, that is, the door body 320 can be tightly sucked, so that the opening of the vacuum box 200 can be better sealed to meet the requirements of vacuum drying.

[0043] In some embodiments of the utility model, the heating oven 100 and the vacuum box 200 are continuous channel structures, by arranging the conveying mechanism for conveying workpieces, continuous heating and vacuum drying processes can be realized, the heating process and the vacuum drying process are completed in different box bodies respectively, continuous drying operation can be realized, the drying efficiency is improved, and the mechanism layout is reasonable.

[0044] As shown in Figure 2 , Figure 3 In some embodiments of the utility model, the two ends of the door frame 310 are respectively provided with cover plates 350, at least one cover plate 350 is provided with a maintenance window, and the maintenance window is provided with a detachable panel 351 to facilitate assembly and maintenance of the vacuum box door 300.

[0045] As shown in Figures 3 to 7 In some embodiments of the utility model, the door frame 310 is provided with a guide rail groove 311 capable of guiding the door body 320 to translate between the door closing position and the door opening position, and the door body 320 is provided with a guide member capable of moving into the guide rail groove 311, thereby improving the moving precision of the door body 320.

[0046] As shown in Figure 6 , Figure 7 In some embodiments of the utility model, the closing mechanism comprises a guide groove 312 connected with the guide rail groove 311, when the door body 320 moves to the door closing position, the guide groove 312 can guide the door body 320 to move in the direction close to the opening of the vacuum box 200, thereby reducing the gap between the door body 320 and the opening of the vacuum box 200.

[0047] In some embodiments of this utility model, the guide groove 312 is an oblique groove or a curved groove to guide the door 320 to move toward the opening of the vacuum box 200.

[0048] It is conceivable that in some embodiments of this utility model, the closing mechanism may also be an active pushing mechanism, such as a cylinder mechanism, which can push the door 320 in the closed position toward the opening of the vacuum box 200, thereby reducing the gap between the door 320 and the opening of the vacuum box 200.

[0049] like Figure 5 As shown, in some embodiments of this utility model, the guide member is a pulley 321 to reduce the resistance to the movement of the door 320.

[0050] like Figure 4 and Figure 5 As shown, in some embodiments of this utility model, the door body 320 has a square structure, and guide members are respectively provided at the four corners of the door body 320. Guide rail grooves 311 are respectively provided on both sides of the door frame 310, so that the door body 320 moves more smoothly.

[0051] In some embodiments of this utility model, the door body 320 can move in the vertical direction within the door frame 310, and the guide groove 312 is located in the lower section of the guide rail groove 311.

[0052] Specifically, such as Figures 5 to 7 As shown, the door body 320 has a square structure. Guide components are provided at the four corners of the door body 320. Two guide rail grooves 311 are provided on both sides of the door frame 310 along the vertical direction. The lower section of each guide rail groove 311 is provided with a guide groove 312 that is inclined downward toward the opening of the vacuum box 200, so as to guide the entire door body 320 to move toward the opening of the vacuum box 200, thereby achieving a better sealing effect.

[0053] like Figure 5 As shown, in some embodiments of this utility model, the door 320 is provided with a sealing element 322 corresponding to the opening of the vacuum box 200, such as a sealing gasket or sealing ring, to achieve a better sealing effect.

[0054] In some embodiments of this utility model, the door assembly further includes a locking mechanism 340, which can lock the door 320 in the open position to reduce the occurrence of the door 320 falling automatically and improve reliability.

[0055] Specifically, the door 320 can move vertically within the door frame 310. By configuring a locking mechanism 340, the occurrence of the door 320 falling due to its own weight can be reduced.

[0056] like Figure 3As shown, in some embodiments of this utility model, the locking mechanism 340 includes a locking cylinder 341 disposed on the door frame 310 and a positioning member 342 disposed on the locking cylinder 341. The door body 320 is provided with a positioning hole 323 into which the positioning member 342 can be inserted, thereby achieving the purpose of locking the door body 320.

[0057] Of course, in the specific implementation process, the locking mechanism 340 can also be a pushing and pressing mechanism, a magnetic attraction mechanism, etc., which will not be described in detail here.

[0058] like Figure 3 and Figure 4 As shown, in some embodiments of this utility model, the driving device includes a driving cylinder 331 disposed on the door frame 310. The piston rod 332 of the driving cylinder 331 is connected to the door body 320 through a cable 333 and a roller assembly 334. The door body 320 can move in the vertical direction. The driving cylinder 331 can drive the door body 320 to move from bottom to top to the open position. The door body 320 can move from top to bottom to the closed position by its own weight. The driving mechanism is simple and reliable.

[0059] Specifically, by pulling the door body 320 with the help of the cable 333 and the roller assembly 334, the door body 320 can have a certain degree of mobility, so that it can be driven by the closing mechanism and can be vacuum-adsorbed and tightened. Compared with the traditional rigid transmission mechanism, the sealing effect is better and the reliability is higher.

[0060] It is understood that in some embodiments of this utility model, the drive cylinder 331 may also be a motor mechanism, and the output shaft of the motor mechanism is connected to a reel for winding the cable 333, which may also drive the door 320 to move upward.

[0061] like Figure 3 and Figure 4 As shown, in some embodiments of this utility model, suspension points connected to the pull cable 333 are respectively provided on both sides of the door body 320. The pull cable 333 extends from the piston rod 332 and splits into two pull cables, which are respectively connected to the suspension points on both sides of the door body 320 through different roller groups 334, so as to improve the stability of the door body 320 movement.

[0062] In some embodiments of this utility model, the door 320 is capable of moving vertically within the door frame 310.

[0063] Of course, in the specific implementation process, the door 320 can also be set to move from bottom to top, from left to right, or from right to left, etc., which will not be described in detail here.

[0064] In some embodiments of this utility model, a circulating air system is configured inside the heating oven 100 to improve the efficiency of heating and drying.

[0065] ReferenceFigure 8 The coil drying production line according to the second aspect of the utility model, including the purge chamber 910, the cooling chamber 920 and the tunnel type vacuum heating drying device of any one of the above first aspect embodiments of the utility model, the material conveying direction of the coil drying production line is from front to back, the purge chamber 910, the heating oven 100, the vacuum box 200 and the cooling chamber 920 are sequentially arranged and communicated from front to back, form the continuous drying production line, improve the efficiency of coil drying.

[0066] Specifically, the water on the surface of the coil can be blown off by the purge chamber 910, improving the drying efficiency of the heating oven 100 and the vacuum box 200. After the coil is output from the vacuum box 200, it enters the cooling chamber 920, so that the coil is cooled in a relatively closed space, reducing moisture absorption and improving the pass rate of coil drying.

[0067] In some embodiments of the utility model, the heating oven 100 is configured as two, which are first heating oven 110 and second heating oven 120, and the purge chamber 910, the first heating oven 110, the second heating oven 120, the vacuum box 200 and the cooling chamber 920 are sequentially arranged and communicated from front to back.

[0068] Specifically, after the coil completes the water immersion detection in the water immersion detection equipment, it is automatically input into the first heating oven 110 by the automatic roller conveying line and other conveying equipment through high-pressure air blowing in the purge chamber 910. After the coil product is detected and confirmed to be in place, the door is closed for heating. After the coil product completes heating in the first heating oven 110 and the second heating oven 120, the door is opened, and the coil product is automatically input into the vacuum box 200 by the automatic roller conveying line and other conveying equipment. After detection and confirmation, the door body 320 is closed for vacuum drying. After the vacuum drying in the vacuum box 200 is completed, the door is opened, and the coil product is automatically input into the cooling chamber 920 by the automatic roller conveying line and other conveying equipment. After the coil product is detected and confirmed to be in place, the door is closed for cooling. After the cooling in the cooling chamber 920 is completed, the door is opened, and the coil product is automatically output to the handover area by the automatic roller conveying line and other conveying equipment, thereby realizing the entire coil product drying process, reducing moisture absorption, improving the pass rate of coil product drying, and having high drying efficiency.

[0069] In some embodiments of the utility model, the purge chamber 910, the first heating oven 110, the second heating oven 120 and the cooling chamber 920 are all configured with a door opening and closing mechanism, so that the purge chamber 910, the first heating oven 110, the second heating oven 120 and the cooling chamber 920 form independent working areas, reducing the influence of adjacent boxes or external annular, so that the coil product can achieve the set drying effect.

[0070] Of course, the utility model is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the application.

Claims

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7. The tunnel type vacuum heating drying device according to claim 1, characterized in that, The driving device comprises a driving cylinder (331) arranged on the door frame (310), and a piston rod (332) of the driving cylinder (331) is connected to the door body (320) through a cable (333) and a roller set (334), the door body (320) can move in the up-down direction, the driving cylinder (331) can drive the door body (320) to move from bottom to top to the open door position, and the door body (320) can move from top to bottom to the closed door position by gravity.

8. The tunnel type vacuum heating drying device according to claim 1, characterized in that, The door body (320) can move in the up-down direction in the door frame (310).

9. A coil drying production line, characterized by It comprises: a purging chamber (910); a cooling chamber (920); the tunnel type vacuum heating drying device according to any one of claims 1 to 8; The material conveying direction of the coil drying production line is from front to back, and the purging chamber (910), the heating oven (100), the vacuum box (200) and the cooling chamber (920) are arranged in sequence from front to back.

10. The coil drying production line according to claim 9, characterized in that, The heating oven (100) is configured as two, which are a first heating oven (110) and a second heating oven (120), and the purging chamber (910), the first heating oven (110), the second heating oven (120), the vacuum box (200) and the cooling chamber (920) are arranged in sequence from front to back.

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