Convection furnace

Abstract

The utility model discloses a convection furnace which comprises an upper furnace body and a lower furnace body, the upper furnace body is arranged right above the lower furnace body, the upper furnace body comprises a cover body, a first air grid assembly and a positioning assembly, the cover body is provided with a positioning groove, the positioning assembly comprises a positioning rod and a positioning piece arranged on the positioning rod, and the positioning piece is arranged on the positioning rod. The positioning rod is arranged in the positioning groove, the first air grid assembly comprises a plurality of first air pipes, and the first air pipes are arranged on the positioning piece. According to the convection furnace, the assembling process of the upper furnace body can be simplified, the assembling and positioning precision of the first air grid assembly is improved, and the uniform heating effect of the convection furnace on glass is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass processing technical field especially relates to a convection furnace. BACKGROUND

[0002] Glass needs to be heated and baked by convection furnace in the processing process to melt the interlayer film in the middle layer. The convection furnace needs to be disassembled into modules during transportation, and then assembled after being transported to the destination. The positioning effect of the air grid air pipe of the convection furnace will affect the air outlet position of the air grid and the uniform heating effect of the glass. However, the air grid of the existing convection furnace is difficult to position during assembly, which results in high assembly time cost and low positioning precision of the air grid of the convection furnace. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a convection furnace to solve the problems of high positioning and assembly cost and low positioning precision of the air grid of the existing convection furnace.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme of a convection furnace, which comprises an upper furnace body and a lower furnace body, the upper furnace body is arranged directly above the lower furnace body, the upper furnace body comprises a cover body, a first air grid assembly and a positioning assembly, the cover body is provided with a positioning groove, the positioning assembly comprises a positioning rod and a positioning piece arranged on the positioning rod, the positioning rod is arranged in the positioning groove, and the first air grid assembly comprises a plurality of first air pipes, the first air pipes are arranged on the positioning piece.

[0005] Further, the positioning assembly is arranged in pairs, and each pair of positioning assemblies corresponds to the position of the two ends of the first air pipe.

[0006] Further, the positioning piece is a U-shaped positioning piece, the two ends of the U-shaped positioning piece are connected with the positioning rod to form a positioning hole, and the first air grid passes through the positioning hole.

[0007] Further, the first air grid assembly further comprises a first air box and a first air fan, the first air fan is arranged on the first air box, the first air box is communicated with the first air pipe, and the bottom of the first air pipe and the bottom of the first air box are both provided with a plurality of first air outlets arranged uniformly.

[0008] Further, the lower furnace body comprises a conveying assembly and a second air grid assembly, the second air grid assembly is arranged below the conveying assembly, and the second air grid assembly comprises a plurality of second air pipes.

[0009] Furthermore, the second air grating assembly also includes a second air box and a second fan. The second fan is mounted on the second air box, and the second air box is connected to the second air grating. Both the top of the second air grating and the top of the second air box are provided with a plurality of evenly arranged second air outlets.

[0010] Furthermore, it also includes a drive component, a lead screw, and a threaded sleeve that is threadedly engaged with the lead screw. The upper furnace body includes an upper furnace frame. The first air grate assembly and the positioning assembly are both disposed in the cover. The cover is connected to the upper furnace frame. The drive component is disposed on the upper furnace frame. The lower furnace body includes a lower furnace frame. The lead screw is rotatably disposed on the upper furnace frame. The drive component is drivenly connected to the lead screw. The threaded sleeve is disposed on the lower furnace frame and is sleeved on the lead screw.

[0011] Furthermore, the lead screw is provided at each of the four corners of the upper furnace frame, and the threaded sleeve is provided at each of the four corners of the lower furnace frame.

[0012] Furthermore, it also includes a support rod, which is mounted on the lower furnace frame, and the upper furnace frame is provided with a receiving groove corresponding to the support rod.

[0013] Furthermore, the driving component includes a motor and a transmission shaft. The output end of the motor is provided with a first gear, one end of the transmission shaft is provided with a second gear, the second gear meshes with the first gear, the other end of the transmission shaft is provided with a third gear, and the top of the lead screw is provided with a fourth gear, the third gear meshes with the fourth gear.

[0014] The beneficial effects of this utility model are as follows: In the convection furnace provided by this utility model, the upper furnace body can be positioned and installed by the positioning groove on the cover during the assembly process, and the first air grid assembly can be positioned and installed by the positioning part on the positioning rod. This convection furnace provided by this utility model can simplify the assembly process of the upper furnace body, improve the assembly and positioning accuracy of the first air grid assembly, and ensure the uniform heating effect of the convection furnace on the glass. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the convection furnace described in one embodiment of the present invention;

[0016] Figure 2 for Figure 1 An exploded structural diagram of the cover, the first air grating assembly, and the positioning assembly shown in the figure;

[0017] Figure 3 for Figure 1 The diagram shows the structure of the lower furnace body.

[0018] Figure 4 For Figure 1 The structure schematic view of the upper furnace body is shown in the figure.

[0019] Label explanation:

[0020] 1, the upper furnace body; 11, the cover body; 111, the positioning groove; 12, the first air grid assembly; 121, the first air pipe; 122, the first air box; 123, the first air fan; 124, the first air outlet; 13, the positioning assembly; 131, the positioning rod; 132, the positioning piece; 133, the positioning hole; 14, the upper furnace rack;

[0021] 2, the lower furnace body; 21, the transmission assembly; 211, the transmission roller shaft; 22, the second air grid assembly; 221, the second air pipe; 222, the second air box; 223, the second air fan; 224, the second air outlet; 23, the lower furnace rack;

[0022] 3, the driving piece; 31, the motor; 311, the first gear; 32, the transmission shaft; 321, the second gear; 322, the third gear;

[0023] 4, the lead screw; 41, the fourth gear;

[0024] 5, the threaded sleeve;

[0025] 6, the support rod. DETAILED DESCRIPTION

[0026] In order to explain the technical content, the purpose and the effect of the utility model in detail, the following will be explained in combination with the embodiment and the drawings.

[0027] Please refer to Figures 1 to 4 The utility model provides a convection furnace, including upper furnace body 1 and lower furnace body 2, upper furnace body 1 is located the upper of lower furnace body 2, upper furnace body 1 includes cover body 11, first air grid assembly 12 and positioning assembly 13, be equipped with positioning groove 111 on cover body 11, positioning assembly 13 includes positioning rod 131 and be equipped with positioning piece 132 on positioning rod 131, positioning rod 131 is located in positioning groove 111, first air grid assembly 12 includes a plurality of first air pipe 121, first air pipe 121 is equipped with positioning piece 132 on.

[0028] From the above description, the beneficial effects of the utility model are that: the convection furnace provided by the utility model can position and install the positioning rod 131 through the positioning groove 111 on the cover body 11 during the assembly process of the upper furnace body 1 of the convection furnace, and then position and install the first air grid assembly 12 through the positioning piece 132 on the positioning rod 131, the convection furnace provided by the utility model can simplify the assembly process of the upper furnace body 1, improve the assembly and positioning precision of the first air grid assembly 12, and ensure the uniform heating effect of the convection furnace on the glass.

[0029] Further, the positioning assembly 13 is arranged in pairs, and each pair corresponds to the position of the two ends of the first air pipe 121.

[0030] From the above description, it can be seen that the convection furnace has good positioning effect on the first air grid and high positioning precision.

[0031] Further, the positioning member 132 is a U-shaped positioning member 132, two ends of the U-shaped positioning member 132 are connected with the positioning rod 131, to form a positioning hole 133, and the first air pipe 121 passes through the positioning hole 133.

[0032] From the above description, it can be seen that the first air pipe 121 and the positioning assembly 13 are positioned and assembled conveniently and quickly.

[0033] Further, the first air grid assembly 12 further comprises a first air box 122 and a first air fan 123, the first air fan 123 is arranged on the first air box 122, the first air box 122 is communicated with the first air pipe 121, and the bottom of the first air pipe 121 and the bottom of the first air box 122 are both provided with a plurality of first air outlets 124 arranged uniformly.

[0034] Further, the lower furnace body 2 comprises a conveying assembly 21 and a second air grid assembly 22, the second air grid assembly 22 is arranged below the conveying assembly 21, and the second air grid assembly 22 comprises a plurality of second air pipes 221.

[0035] From the above description, it can be seen that the second air grid assembly 22 and the conveying assembly 21 are both arranged on the lower furnace body 2, so that the second air grid assembly 22 is more easily positioned and assembled with the conveying assembly 21.

[0036] Further, the second air grid assembly 22 further comprises a second air box 222 and a second air fan 223, the second air fan 223 is arranged on the second air box 222, the second air box 222 is communicated with the second air grid, and the top of the second air grid and the top of the second air box 222 are both provided with a plurality of second air outlets 224 arranged uniformly.

[0037] Further, the driving member 3, the lead screw 4 and the threaded sleeve 5 are further included, the upper furnace body 1 includes an upper furnace rack 14, the first air gate assembly 12 and the positioning assembly 13 are arranged in the cover body 11, the cover body 11 is connected with the upper furnace rack 14, the driving member 3 is arranged on the upper furnace rack 14, the lower furnace body 2 includes a lower furnace rack, the lead screw 4 is rotatably arranged on the upper furnace rack 14, the driving member 3 is in transmission connection with the lead screw 4, and the threaded sleeve 5 is arranged on the lower furnace rack and sleeved on the lead screw 4.

[0038] As known from the above description, the convection furnace can not only guarantee the positioning accuracy of the upper furnace body 1 and the lower furnace body 2 through the lead screw 4 and the threaded sleeve 5, but also can drive the upper furnace body 1 to ascend and descend relative to the lower furnace body 2 through the driving member 3, and the convection furnace is convenient to maintain and overhaul.

[0039] Further, the lead screw 4 is arranged at each corner of the upper furnace rack 14, and the threaded sleeve 5 is arranged at each corner of the lower furnace rack.

[0040] As known from the above description, the stability of the ascending and descending of the upper furnace body 1 is high, and the positioning effect of the upper furnace body 1 and the lower furnace body 2 is good.

[0041] Further, the support rod 6 is further included, the support rod 6 is arranged on the lower furnace rack, and the upper furnace rack 14 is provided with a containing groove corresponding to the support rod 6.

[0042] Further, the driving member 3 includes a motor 31 and a transmission shaft 32, one end of the transmission shaft 32 is provided with a second gear 321 in meshing connection with a first gear 311 arranged at an output end of the motor 31, and the other end of the transmission shaft 32 is provided with a third gear 322, and the top of the lead screw 4 is provided with a fourth gear 41 in meshing connection with the third gear 322.

[0043] As known from the above description, the plurality of lead screws 4 of the convection furnace are in transmission connection with the motor 31, which can guarantee the synchronization of the driving and ascending and descending of the lead screws 4 at the four corners of the upper furnace body 1.

[0044] Embodiment one

[0045] Please refer to Figures 1 to 4The utility model discloses an embodiment one provides a convection furnace, it includes upper furnace body 1 and lower furnace body 2, upper furnace body 1 is located the just above of lower furnace body 2, upper furnace body 1 includes cover body 11, first air grid subassembly 12 and positioning assembly 13, is equipped with positioning groove 111 on cover body 11, positioning assembly 13 includes positioning rod 131 and is equipped with positioning piece 132 on positioning rod 131, positioning rod 131 is located in positioning groove 111, first air grid subassembly 12 includes a plurality of first air pipe 121, and first air pipe 121 is equipped on positioning piece 132.

[0046] The upper furnace body 1 of the convection furnace can be positioned and installed by the positioning groove 111 on the cover body 11 on the positioning rod 131 during assembly, and the positioning piece 132 on the positioning rod 131 is used for positioning and installing the first air grid subassembly 12, so that the positioning of the plurality of first air pipes 121 of the first air grid subassembly is accurate, the convection outflow effect of the convection furnace is guaranteed, and the uniform heating effect of the convection furnace on the glass is guaranteed.

[0047] Please refer to Figure 2 In the embodiment, the positioning assembly 13 is arranged in pairs, and the paired positioning assembly 13 corresponds to the positions of the two ends of the first air pipe 121. The positioning piece 132 is a U-shaped positioning piece 132, and the two ends of the positioning piece 132 are connected with the positioning rod 131 to form a positioning hole 133, and the end of the first air pipe 121 passes through the positioning hole 133.

[0048] Correspondingly, the lower furnace body 2 includes a transmission assembly 21 and a second air grid subassembly 22, and the convection furnace heats the glass placed on the transmission assembly 21 by the first air grid subassembly 12 and the second air grid subassembly 22 to efficiently and uniformly bake the glass. The second air grid subassembly 22 is arranged below the transmission assembly 21, and the second air grid subassembly 22 includes a plurality of second air pipes 221, a second air box 222 and a second air fan 223. The second air fan 223 is arranged on the second air box 222, the second air box 222 is in communication with the second air grid, and the top of the second air grid and the top of the second air box 222 are both provided with a plurality of second air outlets 224 arranged uniformly.

[0049] Please refer to Figure 1 With Figure 4 In the embodiment, the convection furnace further includes a driving piece 3, a lead screw 4 and a threaded sleeve 5 threadedly matched with the lead screw 4. The upper furnace body 1 includes an upper furnace rack 14, the first air grid subassembly 12 and the positioning assembly 13 are arranged in the cover body 11, the cover body 11 is connected with the upper furnace rack 14, the driving piece 3 is arranged on the upper furnace rack 14, the lower furnace body 2 includes a lower furnace rack, the lead screw 4 is rotatably arranged on the upper furnace rack 14, the driving piece 3 is in transmission connection with the lead screw 4, and the threaded sleeve 5 is arranged on the lower furnace rack and sleeved on the lead screw 4.

[0050] As preferred, the upper furnace frame 14 is provided with the lead screw 4 at each corner, and the lower furnace frame is provided with the threaded sleeve 5 at each corner.

[0051] In addition, the stability of the convection furnace is improved, and the risk of damage during lifting of the upper furnace body 1 is reduced, and the convection furnace further comprises a supporting rod 6 arranged on the lower furnace frame 23, and the upper furnace frame 14 is provided with a containing groove corresponding to the supporting rod 6.

[0052] In the embodiment, the driving member 3 comprises a motor 31 and a transmission shaft 32, the output end of the motor 31 is provided with a first gear 311, one end of the transmission shaft 32 is provided with a second gear 321, the second gear 321 is in meshing connection with the first gear 311, the other end of the transmission shaft 32 is provided with a third gear 322, the top of the lead screw 4 is provided with a fourth gear 41, and the third gear 322 is in meshing connection with the fourth gear 41. In the embodiment, the driving member 3 drives multiple lead screws 4 to rotate through one motor 31, so as to guarantee the stability and consistency of lifting of the upper furnace body 1.

[0053] In summary, the upper furnace body 1 of the convection furnace can be positioned and installed through the positioning groove 111 on the cover body 11 during assembly, and then the first air baffle assembly 12 is positioned and installed through the positioning member 132 on the positioning rod 131, so that the multiple first air pipes 121 of the first air baffle assembly are accurately positioned, the convection outflow effect of the convection furnace is guaranteed, and the uniform heating effect of the convection furnace on the glass is guaranteed.

[0054] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field based on the content of the utility model specification and drawings is also included in the patent protection range of the utility model.

Claims

1. A convection oven characterized by, The upper furnace body is arranged directly above the lower furnace body, and the upper furnace body comprises a cover body, a first air grid assembly and a positioning assembly.

2. The convection oven of claim 1, wherein, The positioning assembly is arranged in pairs, and each positioning assembly corresponds to the position of the two ends of the first air pipe.

3. The convection oven of claim 1, wherein, The positioning member is a U-shaped positioning member, the two ends of the U-shaped positioning member are connected with the positioning rod to form a positioning hole, and the first air grid passes through the positioning hole.

4. The convection oven of claim 1, wherein, The first air grid assembly further comprises a first air box and a first air fan, the first air fan is arranged on the first air box, the first air box is communicated with the first air pipe, and the bottom of the first air pipe and the bottom of the first air box are both provided with a plurality of first air outlets arranged uniformly.

5. The convection oven of claim 1, wherein, The lower furnace body comprises a conveying assembly and a second air grid assembly, the second air grid assembly is arranged below the conveying assembly, and the second air grid assembly comprises a plurality of second air pipes.

6. The convection oven of claim 5, wherein, The second air grid assembly further comprises a second air box and a second air fan, the second air fan is arranged on the second air box, the second air box is communicated with the second air grid, and the top of the second air grid and the top of the second air box are both provided with a plurality of second air outlets arranged uniformly.

7. The convection oven of claim 1, wherein, The upper furnace body comprises an upper furnace rack, the first air grid assembly and the positioning assembly are arranged in the cover body, the cover body is connected with the upper furnace rack, the driving member is arranged on the upper furnace rack, the lower furnace body comprises a lower furnace rack, the screw rod is rotatably arranged on the upper furnace rack, the driving member is in transmission connection with the screw rod, the threaded sleeve is arranged on the lower furnace rack, and the threaded sleeve is sleeved on the screw rod.

8. The convection oven of claim 7, wherein, The four corners of the upper furnace rack are provided with the screw rods, and the four corners of the lower furnace rack are provided with the threaded sleeves.

9. The convection oven of claim 7, wherein, The support rod is arranged on the lower furnace rack, and the upper furnace rack is provided with a containing groove corresponding to the support rod.

10. The convection oven of claim 7, wherein, The driving member comprises a motor and a transmission shaft, the output end of the motor is provided with a first gear, one end of the transmission shaft is provided with a second gear, the second gear is in meshing connection with the first gear, the other end of the transmission shaft is provided with a third gear, the top of the screw rod is provided with a fourth gear, and the third gear is in meshing connection with the fourth gear.

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