Printing wire drying box

Abstract

The utility model is suitable for the technical field of 3D printing, and provides a printing wire drying box which comprises a bottom box and an upper cover. Wherein the bottom box comprises a ventilation window, a movable cover plate, four rolling shafts and a drying agent groove; the upper cover comprises a wire outlet hole and a hole plugging device; the ventilation window is arranged at the bottom of the bottom box; the movable cover plate detachably covers the opening of the ventilation window and is used for ventilation or sealing; the rolling shaft is arranged in the bottom box; the rolling shafts are oppositely arranged in parallel in pairs and are used for forming two tray placing positions; the rolling shaft is used for supporting the charging tray and the wire rod to reduce the friction force when the charging tray rolls; the desiccant groove is used for placing desiccant; the wire outlet hole is used for leading out wires; and the hole plugging device is used for sealing the wire outlet hole. The two side-by-side charging tray placing positions are arranged in the box, two charging trays with standard thicknesses and wires can be dried and stored at the same time, and particularly, a thickened charging tray and a thickened wire can be placed and dried in a compatible mode.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of 3D printing, in particular to a printing wire drying box. BACKGROUND

[0002] In the fused deposition modeling (FDM) 3D printing technology, the direct use of undried plastic raw materials for printing will cause bubble holes, affecting the printing effect, so the printing wire needs to be kept dry to ensure the printing quality; in addition, the current standard thickness material disc and wire have limited wire, and when printing large pieces, the wire may not be enough, and the material needs to be replenished; the material disc and wire used for more than half or more than half are quite chicken ribs, which is easy to cause waste; therefore, the use of lengthened wire and thickened material disc is required;

[0003] At present, a single-box wire storage box is generally used, which can only store a standard thickness wire material disc at a time, and the standard thickness wire storage box does not consider the applicability of lengthened wire and thickened material disc, and cannot keep more wire dry and store it, so the utilization rate of the wire storage box is not high;

[0004] At the same time, the current single-box wire storage box generally only designs a set of two rollers for supporting the material disc, even if the single-box wire storage box is thickened and the rollers are lengthened to be able to place two standard thickness wire material discs at the same time, in the case of sharing the rollers, since the wire consumption speed is inconsistent, this scheme cannot supply wire to two printers at the same time.

[0005] Therefore, a wire storage box that can improve the utilization rate of wire drying and storage without affecting the simultaneous supply of wire to two printers is needed. CONTENT OF THE INVENTION

[0006] The purpose of the embodiment of the present application is to provide a printing wire drying box, which can dry and store two standard thickness material discs and wires at the same time by arranging two side-by-side material disc placing positions, can supply material to two printers respectively, and can also compatibly place and dry a thickened material disc and wire.

[0007] The printing wire drying box provided by the embodiment of the present application comprises a bottom box and an upper cover; wherein the bottom box comprises an air vent, a movable cover plate, four rollers and a drying agent groove; and the upper cover comprises a wire outlet hole and a plug hole device.

[0008] The ventilation window is arranged at the bottom of the bottom box for air intake or air exhaust; the movable cover plate is detachably capped on the opening of the ventilation window for opening ventilation or closing ventilation; the rollers are arranged inside the bottom box; the rollers are arranged in pairs and opposite to each other for forming two parallel material disc placing positions; the rollers are used for lifting the material disc and the wire to reduce the friction when the material disc rolls; and the desiccant groove is arranged inside the bottom box for placing the desiccant.

[0009] The wire outlet hole is arranged at the upper portion of the upper cover, and the wire outlet hole is used for leading out the wire; and the plug-in device is used for air hole closing of the wire outlet hole.

[0010] Further, the printing wire drying box further comprises a connecting shaft; and the upper cover is movably connected to the bottom box through the connecting shaft.

[0011] Further, the edge of the ventilation window is provided with a sealing member; and the sealing member is used for enhancing the sealing performance of the movable cover plate on the ventilation window.

[0012] Further, the edge of the ventilation window is provided with a first magnet; the first magnet is used for attracting the movable cover plate; and the movable cover plate is made of a magnetically attracted metal material.

[0013] Further, the bottom of the bottom box is further provided with a cover plate groove; and the cover plate groove is used for accommodating and fixing the movable cover plate.

[0014] Further, a second magnet is arranged in the area range of the cover plate groove; the second magnet is used for attracting the movable cover plate; and the movable cover plate is made of a magnetically attracted metal material.

[0015] Further, a buckle slot is further arranged at the edge of the cover plate groove; and the buckle slot is used for facilitating the removal of the movable cover plate from the cover plate groove.

[0016] Preferably, the plug-in device comprises a through hole, a plug body, a disc, a soft belt and a first plug column; the plug body is provided with a through hole; the plug body is used for tightly plugging the wire outlet hole; the through hole is used for leading out the wire; the outer edge of the plug body is provided with the disc; the disc is used for expanding the sealing area; the soft belt is connected to the plug body; and the first plug column is arranged at the front end of the soft belt; and the first plug column is used for tightly plugging the through hole when the soft belt is bent.

[0017] Further, the printing wire drying box further comprises an auxiliary wire feeder; the auxiliary wire feeder is detachably connected to the upper cover; and the auxiliary wire feeder is used for electrically assisting the wire feeding.

[0018] Further, the printing wire drying box also comprises a humidity detection and display module; the humidity detection and display module is arranged on the bottom box or the upper cover; the humidity detection and display module is used for detecting and displaying the internal humidity and temperature of the wire storage box.

[0019] Further, the printing wire drying box also comprises a humidity indicator card; the humidity indicator card indicates the humidity change condition through the color change reference ratio of the chemical reagent; the humidity indicator card is arranged on the inner wall of the bottom box or the upper cover; the bottom box or the upper cover is made of transparent material.

[0020] Further, the printing wire drying box also comprises a mesh cover; the mesh cover is arranged on the inner bottom of the bottom box; the mesh cover covers the air vent and the drying agent groove.

[0021] Further, the printing wire drying box also comprises a lock catch; the lock catch is used for closing and locking the bottom box and the upper cover.

[0022] Further, the printing wire drying box also comprises a hand groove; the number of the hand grooves is two groups; the hand grooves are arranged on the upper cover or the bottom box; the hand grooves are used for conveniently opening the cover or carrying.

[0023] Further, the printing wire drying box also comprises a foot pad and a positioning groove; the foot pad and the positioning groove are arranged on the bottom of the bottom box; the foot pad is used for buffering; the positioning groove is used for positioning and fixing.

[0024] Preferably, the number of the air vents is one or more.

[0025] Preferably, the number of the movable cover plates is one or more.

[0026] Preferably, the number of the wire outlets is one or more.

[0027] Compared with the prior art, the printing wire drying box has the following beneficial effects:

[0028] 1. The printing wire drying box can simultaneously dry and store two standard-thickness wire spools and wires, can simultaneously supply two 3D printers with wires, and can also compatibly dry and store a thickened wire spool and wires.

[0029] 2. The printing wire drying box can use an auxiliary wire feeder to enhance the wire feeding capacity, improve the wire supply capacity of the 3D printer, and prevent the 3D printer from printing bubbles due to the wire feeding not being in time caused by the wire feeding resistance being too large.

[0030] 3. The printing wire drying box provided by the embodiment of the present application can utilize the ventilation window to enter the dry hot air to perform environmental heating, and can utilize the movable cover plate and the plug-in device to close and dry the wire storage box, so that long-term dry storage is realized, and there is no need to keep heating and power on. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 The external schematic diagram of the printing wire drying box of the embodiment of the present application Figure 1 ;

[0032] Figure 2 The external schematic diagram of the printing wire drying box of the embodiment of the present application Figure 2 ;

[0033] Figure 3 The bottom schematic diagram of the printing wire drying box of the embodiment of the present application Figure 1 ;

[0034] Figure 4 The bottom schematic diagram of the printing wire drying box of the embodiment of the present application Figure 2 ;

[0035] Figure 5 The bottom schematic diagram of the printing wire drying box of the embodiment of the present application Figure 3 ;

[0036] Figure 6 The tray placement schematic diagram of the printing wire drying box of the embodiment of the present application

[0037] Figure 7 The internal schematic diagram of the printing wire drying box of the embodiment of the present application Figure 1 ;

[0038] Figure 8 The internal schematic diagram of the printing wire drying box of the embodiment of the present application Figure 2 ;

[0039] Figure 9 The storage schematic diagram of the printing wire drying box of the embodiment of the present application Figure 1 ;

[0040] Figure 10 The storage schematic diagram of the printing wire drying box of the embodiment of the present application Figure 2 ;

[0041] Figure 11 The printing use schematic diagram of the printing wire drying box of the embodiment of the present application.

[0042] REFERENCE SIGNS:

[0043] Bottom box 1; upper cover 2; auxiliary wire feeder 3; tray 4; wet temperature detection and display module 5; humidity display card 51; widened tray 6; roller 10; air vent 11; moving cover plate 12; seal 13; desiccant tank 14; desiccant 15; mesh cover 16; foot pad 17; positioning groove 18; connecting shaft 20; wire outlet hole 21; plug hole 22; mounting hole 23; lock catch 24; hand groove 25; mounting groove 31; wire 41; first magnet 111; second magnet 112; jack 113; cover plate groove 121; hand catch groove 122; sealing frame 131; plug pin 132; through hole 220; plug body 221; disc 222; soft band 223; first plug column 224; second plug column 225; drying box 100; 3D printer 200; flexible conduit 201; printer extrusion nozzle 202. DETAILED DESCRIPTION

[0044] To make the purposes, features, and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0045] Figure 1 The external schematic diagram of the printing wire drying box in the embodiments of the present application Figure 1 As shown in the figure, the figure shows the wire storage box 100 in the present application; the wire storage box 100 is mainly composed of a bottom box 1 and an upper cover 2; it can be seen that the upper cover 2 is provided with two groups of four wire outlet holes 21 in front and back, and the wire outlet holes 21 are used to lead out the wire; in particular, two groups of four wire outlet holes 21 are provided in front and back in the present figure, so as to facilitate the user to lead out the wire forward or backward;

[0046] The upper cover 2 is also provided with a lock catch 24; the lock catch 24 is used to close and lock the bottom box 1 and the upper cover 2;

[0047] The upper cover 2 is also provided with a hand groove 25; the number of the hand groove 25 is two groups; the hand groove 25 is respectively arranged at the front and rear of the upper cover 2; the hand groove 25 is convenient for opening the cover or carrying.

[0048] And the present figure is provided with a lock catch 24 and a hand groove 25 at the front of the upper cover 2; the lock catch 24 is used to close and lock the bottom box 1 and the upper cover 2; the hand groove 25 at the front position is shown in the figure, and the number of the hand groove 25 is divided into two groups in front and back (refer to Figure 1 and Figure 2 ); the hand groove 25 is arranged on the upper cover 2; the hand groove 25 is convenient for opening the cover or carrying.

[0049] In addition, two installation grooves 31 are arranged near the position of the rear outlet hole 21; two installation groove 31 mounting holes 23 are arranged at the position of the two installation grooves 31; two installation groove 31 mounting holes 23 are arranged at the position adjacent to the front outlet hole 21; wherein the installation groove 31 is used for detachable installation of the auxiliary wire feeder 3 as shown in Figure 11 ; the mounting hole 23 is also used for detachable installation of the auxiliary wire feeder 3 as shown in Figure 11 .

[0050] Figure 2 The bottom of the printing wire drying box of the embodiment of the application is shown in Figure 2 . As shown in the figure, the wire storage box 100 of the application is shown in the figure; the figure is additionally provided with a plug-in device 22 on the basis of Figure 1 ; the plug-in device 22 is installed in the four outlet holes 21; and the upper cover 2 is movably connected to the bottom box 1 through the connecting shaft 20;

[0051] Specifically, the plug-in device 22 comprises a through hole 220, a plug body 221, a disc 222, a soft belt 223, and a first plug column 224; the plug body 221 is provided with the through hole 220, the plug body 221 is used for tightly plugging the outlet hole 21, and the through hole 220 is used for leading out the wire; the outer edge of the plug body 221 is provided with the disc 222, the disc 222 is used for expanding the sealing area; the soft belt 223 is connected to the plug body 221; the first plug column 224 is arranged at the front end of the soft belt 223, and the first plug column 224 is used for tightly plugging the through hole 220 when the soft belt 223 is bent.

[0052] In addition, a second plug column 225 is arranged at the lower position of the middle section of the soft belt 223; the second plug column 225 can be used for tightly plugging the two mounting holes 23 at the rear of the upper cover 2 at the same time; in particular, the disc 222 can be used for tightly plugging the two mounting holes 23 adjacent to the front of the upper cover 2 at the same time; this is to seal all the holes to maintain the continuous drying of the internal wire.

[0053] Figure 3 The bottom of the printing wire drying box of the embodiment of the application is shown in Figure 1 . As shown in the figure, the bottom of the bottom box 1 is provided with two air vents 11 at the front and rear, the air vents 11 are used for air intake or exhaust; the sealing member 13 is arranged at the edge of the air vent 11, the sealing member 13 is used for enhancing the sealing performance of the moving cover plate 12 to the air vent 11; in combination with Figure 4See, there are two cover plate grooves 121 on the left and right sides of the bottom of the base box 1. The cover plate grooves 121 are used to accommodate and fix the movable cover plate 12. There are also handle grooves 122 on the edge of the cover plate grooves 121. The handle grooves 122 are convenient for removing the movable cover plate 12 from the cover plate grooves 121. Foot pads 17 and positioning grooves 18 are also provided at the four corners of the bottom of the base box 1. The foot pads 17 are used for cushioning. The positioning grooves 18 are used to cooperate with other fasteners for positioning and fixing.

[0054] Figure 4 This is a schematic diagram of the bottom of the printing wire drying oven in an embodiment of this application. Figure 2 As shown in the figure, in Figure 3 After removing the two movable cover plates 12 fixed in the cover plate groove 121, the two movable cover plates 12 can be fixed to the two vent windows 11 respectively to seal the air intake of the vent windows 11. Specifically, the movable cover plates 12 can be fixed to the cover plate groove 121 and the vent windows 11 by magnetic attraction or damping locking.

[0055] Figure 5 This is a schematic diagram of the bottom of the printing wire drying oven in an embodiment of this application. Figure 3 As shown in the figure, the insert-type seal 13 consists of a sealing frame 131 and a pin 132. The pin 132 is connected to the bottom of the sealing frame 131. A first magnet 111 and a narrow insertion hole 113 are provided on the edge of the vent 11. The sealing frame 131 is inserted into the insertion hole 113 through the pin 132, so that the sealing frame 131 can enhance the sealing performance of the movable cover 12 on the vent 11. The first magnet 111 is used to attract the movable cover 12. Correspondingly, the movable cover 12 is made of magnetic metal material. In particular, in addition to the insert-type seal 13 shown in this figure, an adhesive seal can also be used, in which the sealing frame 131 is directly adhered to the edge of the vent 11 by adhesive.

[0056] Figure 6 This is a schematic diagram of the tray placement in the wire drying box according to an embodiment of this application. As shown in the figure, the figure illustrates the placement of a roll of wire 4 and wire 41 in the bottom box 1 of this application; it can be seen that there are two tray placement positions side by side; the tray placement position on the right has already placed a roll of wire 4 and wire 41; the tray placement position on the left is mainly formed by two rollers 10 exposed in the figure, which are parallel to each other; the rollers 10 can be used to support the tray 4 and wire 41 to reduce the friction when the tray rolls; in addition, it can be seen that two mesh covers 16 are provided at the front and rear positions of the bottom of the bottom box 1.

[0057] Figure 7 This is a schematic diagram of the interior of the filament drying box in an embodiment of this application. Figure 1As shown in the figure, the figure shows the inside of the bottom box 1 of the application; it can be seen that the front and rear of the bottom box 1 are provided with two air vents 11 for air intake or exhaust; four rollers 10 are arranged in parallel and opposite to each other, which are used to form two parallel material disc placing positions; the rollers 10 are used to lift the material disc and the wire to reduce the friction when the material disc rolls; four desiccant grooves 14 are arranged at the four corners of the bottom of the bottom box 1; the desiccant 15 can be stored in the four desiccant grooves 14, which is used to keep the wire dry continuously.

[0058] In particular, in the middle of the bottom of the bottom box 1, corresponding to the area range of the cover plate groove 121 of the Figure 4 , four second magnets 112 are arranged; two second magnets 112 form a group, which are used to jointly attract a movable cover plate 12; the movable cover plate 12 is made of a magnetic metal material.

[0059] Figure 8 The inside of the printing wire drying box of the embodiment of the application is shown Figure 2 As shown in the figure, the figure shows the inside of the bottom box 1 of the application; it can be seen that the front and rear of the bottom box 1 are provided with two air vents 11 for air intake or exhaust; four rollers 10 are arranged in parallel and opposite to each other, which are used to form two parallel material disc placing positions; the rollers 10 are used to lift the material disc and the wire to reduce the friction when the material disc rolls; four desiccant grooves 14 are arranged at the four corners of the bottom of the bottom box 1; the desiccant 15 can be stored in the four desiccant grooves 14, which is used to keep the wire dry continuously. Figure 7

[0060] Figure 9 The storage diagram of the printing wire drying box of the embodiment of the application is shown Figure 1 As shown in the figure, the figure shows the use scene of the two material discs 4 and the wire 41 stored in the wire storage box 100 of the application; after the upper cover 2 is opened, it can be seen that the wire 41 is led out from the through hole 220 of the plug-in device 22 at the rear of the upper cover 2; this is to facilitate the opening of the upper cover 2 when the wire 41 is led out.

[0061] In addition, the front of the bottom box 1 is also provided with a wet temperature detection and display module 5 and a humidity indicating card 51; the wet temperature detection and display module 5 is used to detect and display the internal humidity and internal temperature of the wire storage box; the humidity indicating card 51 indicates the humidity change through the color change reference ratio of the chemical reagent;

[0062] ​In the specific product, the wet temperature detection and display module 5 generally detects the wet temperature by using a sensor and displays the wet temperature number by using a display screen, so the detection is more accurate; the humidity indicating card 51 tests the approximate humidity change by using a chemical reagent for detection and indication, so the detection result is only for reference, but the cost is lower; the wet temperature detection and display module 5 and the humidity indicating card 51 can be selected for installation; the wet temperature detection and display module 5 can be powered by a built-in battery, and a mounting hole needs to be opened in the front part of the bottom box 1 for fixation; and the humidity indicating card 51 can be arranged on the inner wall of the front part of the bottom box 1, at this time, the front part of the bottom box 1 needs to be made of transparent material to ensure that the indicating card can be clearly observed.

[0063] In addition, the wet temperature detection and display module 5 or the humidity indicating card 51 can also be arranged on the front part or the top part of the upper cover 2; the specific position can be flexibly arranged according to the needs.

[0064] Figure 10 The storage indicating of the printing wire drying box of the embodiment of the application Figure 2 As shown in the figure, the figure shows the use scene of storing a thickened material disc 6 and a wire 41 in the bottom box 1 of the application. Similarly, the wet temperature detection and display module 5 or the humidity indicating card 51 can also be arranged on the front part of the bottom box 1.

[0065] Figure 11 The printing use schematic diagram of the printing wire drying box of the embodiment of the application. As shown in the figure, as shown in the figure, the figure shows the expansion use scheme of adding an auxiliary wire feeder 3 on the basis of the basic scheme of the wire storage box 100; combined with the positions of the mounting hole 23 and the mounting groove 31 in Figure 1 The auxiliary wire feeder 3 can be selected to be detachably connected to the mounting groove 31 or to be fixedly connected to the mounting hole 23. The auxiliary wire feeder 3 is used for electrically assisting the feeding of the wire 41 in the box, so as to cooperate with the 3D printer 200 in the figure for use. The auxiliary wire feeder 3 and the extrusion nozzle 202 of the printer are also connected through a flexible pipe 201. The auxiliary wire feeder 3 can feed the wire to the extrusion nozzle 202 of the printer for printing, and the flexible pipe 201 can reduce the resistance of the wire feeding.

[0066] It should be understood that in the present specification, the terms "front", "back", "left", "right" are only for the convenience of description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application.

[0067] The foregoing detailed description has set forth various embodiments of the devices and / or processes via the use of specific terminology. However, embodiments thereof can be practiced with the exact description not being set forth but with the same essence. Therefore, embodiments cannot be limited to the specific embodiments described. Rather, it is intended that the description embodied herein be considered in a descriptive sense only and not limiting.

Claims

1. A printing wire drying cabinet characterized by, It includes bottom box (1), upper cover (2), wherein, the bottom box (1) includes: ventilation window (11), moving cover plate (12), four roller shafts (10), desiccant groove (14), the upper cover (2) includes: outlet hole (21), plug hole device (22), The ventilation window (11) is arranged at the bottom of the bottom box (1), for air inlet or air outlet, the moving cover plate (12) is detachably capped on the opening of the ventilation window (11), for opening ventilation or closing ventilation, the roller shaft (10) is arranged inside the bottom box (1), the roller shaft (10) is arranged in pairs, for forming two side-by-side tray placement positions, the roller shaft (10) is used for lifting the tray and the wire to reduce the friction when the tray rolls, the desiccant groove (14) is arranged inside the bottom box (1), for placing desiccant, The outlet hole (21) is arranged at the upper part of the upper cover (2), and the outlet hole (21) is used for leading out the wire, the plug hole device (22) is used for closing the air hole of the outlet hole (21).

2. The printed wire drying oven of claim 1, wherein, It also includes connecting shaft (20), the upper cover (2) is movably connected to the bottom box (1) through the connecting shaft (20).

3. The printed wire drying oven of claim 1, wherein, The edge of the ventilation window (11) is provided with a sealing element (13), and the sealing element (13) is used to enhance the sealing property of the moving cover plate (12) to the ventilation window (11).

4. The printed wire drying oven of claim 1, wherein, The edge of the ventilation window (11) is provided with a first magnet (111), and the first magnet (111) is used to attract the moving cover plate (12), and the moving cover plate (12) is made of magnetic metal material.

5. The printed wire drying oven of claim 1, wherein, The bottom of the bottom box (1) is also provided with a cover plate groove (121), and the cover plate groove (121) is used to accommodate and fix the moving cover plate (12).

6. The printed wire drying oven of claim 5, wherein, The area range of the cover plate groove (121) is provided with a second magnet (112), and the second magnet (112) is used to attract the moving cover plate (12), and the moving cover plate (12) is made of magnetic metal material.

7. The printed wire drying oven of claim 5, wherein, The edge of the cover plate groove (121) is also provided with a buckle hand groove (122), and the buckle hand groove (122) is used to facilitate the removal of the moving cover plate (12) from the cover plate groove (121).

8. The printed wire drying oven of claim 1, wherein, The plug hole device (22) includes a through hole (220), a plug body (221), a disc (222), a soft belt (223) and a first plug column (224), the plug body (221) is provided with a through hole (220), the plug body (221) is used for tightly plugging the outlet hole (21), the through hole (220) is used for leading out the wire, the outer edge of the plug body (221) is provided with the disc (222), the disc (222) is used to enlarge the sealing area, the soft belt (223) is connected to the plug body (221), and the first plug column (224) is arranged at the front end of the soft belt (223), and the first plug column (224) is used for tightly plugging the through hole (220) when the soft belt (223) is bent.

9. The printed wire drying oven of claim 1, wherein, It also includes an auxiliary wire feeder (3); the auxiliary wire feeder (3) is detachably connected to the upper cover (2); the auxiliary wire feeder (3) is used for electrically assisting the wire feeding.

10. The printed wire drying oven of claim 1, wherein, It also includes a wet temperature detection and display module (5); the wet temperature detection and display module (5) is arranged in the bottom box (1) or the upper cover (2); the wet temperature detection and display module (5) is used for detecting and displaying the internal humidity and internal temperature of the wire storage box.

11. The printed wire drying oven of claim 1, wherein, It also includes a humidity indicating card (51); the humidity indicating card (51) indicates the humidity change condition through the color change reference ratio of the chemical reagent; the humidity indicating card (51) is arranged on the inner wall of the bottom box (1) or the upper cover (2); the bottom box (1) or the upper cover (2) is made of transparent material.

12. The printed wire drying oven of claim 1, wherein, It also includes a mesh cover (16); the mesh cover (16) is arranged on the inner bottom of the bottom box (1); the mesh cover (16) covers the air window (11) and the desiccant groove (14).

13. The printed wire drying oven of claim 1, wherein, It also includes a lock catch (24); the lock catch (24) is used for closing and locking the bottom box (1) and the upper cover (2).

14. The printed wire drying oven of claim 1, wherein, It also includes a hand groove (25); the number of the hand groove (25) is two groups; the hand groove (25) is arranged on the upper cover (2) or the bottom box (1); the hand groove (25) is convenient for opening the cover or carrying.

15. The printed wire drying oven of claim 1, wherein, It also includes a foot pad (17) and a positioning groove (18); the foot pad (17) and the positioning groove (18) are arranged on the bottom of the bottom box (1); the foot pad (17) is used for buffering; the positioning groove (18) is used for positioning and fixing.

16. The printed wire drying oven of claim 1, wherein, The number of the air window (11) is one or more; the number of the movable cover plate (12) is one or more; the number of the wire outlet hole (21) is one or more.

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