Air floatation conveying device of perovskite annealing furnace

Abstract

The utility model discloses a perovskite annealing furnace air floatation conveying device, which comprises a bottom frame and a furnace body arranged at the top of the bottom frame, the furnace body is provided with a plurality of groups of conveying mechanisms along the workpiece conveying direction, and each group of conveying mechanism comprises two first air floatation components oppositely arranged on two sides of the furnace body; each first air flotation assembly comprises an air flotation roller which is rotationally arranged on the side wall of the furnace body and transversely extends into the furnace body, a plurality of second air flotation assemblies arranged at intervals are arranged between the two first air flotation assemblies, and each second air flotation assembly comprises an air flotation cushion longitudinally laid on the bottom wall of the furnace body and a plurality of nozzles connected with the air flotation cushion. According to the utility model, the air floatation technology is adopted, and a uniform air film is formed through high-pressure air, so that non-contact transmission between the conductive glass substrate and the air floatation roller is realized, the problems of substrate scratch, adhesion and the like caused by mechanical contact in the traditional roller transmission are thoroughly solved, and the yield of the conductive glass substrate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to conveying equipment technical field, concretely is a kind of perovskite annealing furnace air floatation conveying device. BACKGROUND

[0002] The traditional perovskite annealing furnace conveying mode has the following problems: the traditional perovskite annealing furnace conveying mode mainly uses ceramic roller to convey conductive glass substrate, and the conductive glass substrate is easily abraded and produces a large amount of dust due to long-time contact and friction with the roller, which not only causes a lot of environmental pollution in the annealing furnace, but also affects the annealing quality of the conductive glass; in addition, the roller needs to be replaced regularly due to long-time contact and friction with the conductive glass substrate, which increases the maintenance cost. SUMMARY

[0003] The utility model discloses a perovskite annealing furnace air floatation conveying device, which realizes contactless transmission and completely solves the problems of scratches and sticking of the substrate caused by mechanical contact in the traditional roller transmission, thereby improving the yield of the conductive glass substrate and solving the problems of the decrease of the annealing quality of the conductive glass and the high maintenance cost caused by long-time contact and friction of the roller with the conductive glass substrate.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A perovskite annealing furnace air floatation conveying device comprises a chassis and an oven body arranged on the top of the chassis, the oven body is provided with a plurality of groups of conveying mechanisms along the workpiece conveying direction, each group of conveying mechanisms comprises two first air floatation assemblies oppositely arranged on both sides of the oven body, the first air floatation assembly comprises an air floatation roller rotatably arranged on the side wall of the oven body and horizontally extending into the oven body, a plurality of second air floatation assemblies are arranged between the two first air floatation assemblies, the second air floatation assembly comprises an air floatation pad longitudinally arranged on the bottom wall of the oven body and a plurality of nozzles connected with the air floatation pad.

[0006] Preferably, the air floatation pad is a plate body with a cavity in the inside, a plurality of nozzles are connected with the air floatation pad at intervals at the bottom of the air floatation pad and are in communication with the cavity of the air floatation pad, a plurality of air gaps in communication with the cavity are arranged on the top surface of the air floatation pad at both edges.

[0007] Preferably, the air floatation roller is internally provided with a cavity, the outer circumferential surface of the air floatation roller is provided with a concave groove in the shape of a ring, and a plurality of air permeable holes in the circumferential direction and in communication with the cavity are arranged at the bottom of the concave groove.

[0008] Preferably, the first air floating assembly comprises a transmission shaft rotatably arranged on the sidewall of the furnace body through a bearing, one end of the transmission shaft extends into the furnace body and is connected with the air floating roller, the other end extends out of the furnace body, a central hole is formed along the length direction of the transmission shaft, one end of the central hole is connected with the cavity of the air floating roller, and the other end is connected with the air supply assembly.

[0009] Preferably, the outer peripheral surface of the end of the air floating roller protrudes outward to form a ring-shaped protrusion, which is used for limiting the edge of the conductive glass substrate on the air floating roller.

[0010] Preferably, the second air floating assembly comprises a gas distribution plate and a ring sleeve, a plurality of through holes are formed in the bottom wall of the furnace body along a straight line, the gas distribution plate is arranged on the plurality of through holes, and the air floating pad is connected to the top end of the gas distribution plate, and the ring sleeve connected to the bottom end of the gas distribution plate is arranged on the nozzle.

[0011] Preferably, the bottom surface of the gas distribution plate in contact with the bottom wall of the furnace body is provided with a first sealing groove, and a first sealing ring is embedded in the first sealing groove; the inner peripheral surface of the ring sleeve is provided with a second sealing groove, and a second sealing ring is embedded in the second sealing groove; the top surface of the ring sleeve connected with the gas distribution plate is provided with a third sealing groove, and a third sealing ring is embedded in the third sealing groove; and the top surface of the nozzle connected with the air floating pad is provided with a fourth sealing groove, and a fourth sealing ring is embedded in the fourth sealing groove.

[0012] Preferably, the bottom frame is provided with an air supply assembly, the air supply assembly comprises a gas storage tank, a gas distribution tank, a first floating gas tank and a second floating gas tank, the gas storage tank is connected with the gas distribution tank, the gas distribution tank is connected with the first floating gas tank and the second floating gas tank respectively, one end of the first floating gas tank opposite to the gas distribution tank is connected with the nozzles of a plurality of the second air floating assemblies respectively; the number of the second floating gas tanks is two, and each of the second floating gas tanks is connected with a plurality of the transmission shafts on the two sides of the furnace body.

[0013] Preferably, the first air pressure detection device is arranged at the connection between the nozzle and the first floating gas tank; and the second air pressure detection device is arranged at the connection between the transmission shaft and the second floating gas tank.

[0014] Preferably, the air floating pad is perpendicular to the air floating roller, and a supporting plate is arranged between adjacent air floating pads.

[0015] Compared with the prior art, the beneficial effects of the utility model are: adopt air floatation technology, high pressure gas of nozzle is sprayed from air floatation pad top surface, thereby form uniform air film, air film will conductive glass substrate lift, conductive glass substrate is suspended state, simultaneously, through air floatation roller cylinder convey conductive glass substrate, so that realize no contact transmission between conductive glass substrate and air floatation roller cylinder, completely solve the problem of substrate scratch, stickiness etc. caused by mechanical contact in traditional roller cylinder transmission, improve the yield of conductive glass substrate, at the same time, prevent dust from generating, create dust-free environment, be favorable to improve the quality of conductive glass substrate, and do not need to frequently replace air floatation roller cylinder and other components, reduce the equipment maintenance workload and maintenance cost, improve the operation efficiency and stability of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective view of a perovskite annealing furnace air floatation conveying device of the utility model;

[0017] Figure 2 It is a side view of a perovskite annealing furnace air floatation conveying device of the utility model;

[0018] Figure 3 It is Figure 2 Sectional view of section A-A;

[0019] Figure 4 It is Figure 3 Enlarged view of middle C;

[0020] Figure 5 It is Figure 3 Sectional view of section B-B;

[0021] Figure 6 It is Figure 5 Enlarged view of middle D;

[0022] Figure 7 It is a perspective view of air floatation pad and air distribution plate of the utility model.

[0023] In the drawing: 1, base frame;2, furnace body;21, through hole;3, first air floatation assembly;31, air floatation roller cylinder;311, groove;312, air hole;313, annular protrusion;32, transmission shaft;4, second air floatation assembly;41, air floatation pad;411, air gap;42, nozzle;43, supporting plate;44, air distribution plate;45, ring sleeve;46, first sealing ring;47, second sealing ring;48, third sealing ring;49, fourth sealing ring;5, driving mechanism;51, motor;52, synchronous transmission rod;53, first conveying belt;54, second conveying belt;55, synchronous belt;6, gas supply assembly;61, gas storage tank;62, air distribution tank;63, first air floatation tank;64, second air floatation tank;65, first air pressure detection device;66, second air pressure detection device;7, conductive glass substrate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-3 , a perovskite annealing furnace air floatation conveying device, including the chassis 1 and the furnace body 2 set at the top of chassis 1. The furnace body 2 is provided with several groups of conveying mechanisms along the workpiece conveying direction, and each group of conveying mechanisms includes two first air floatation assemblies 3 oppositely arranged on both sides of the furnace body 2. The first air floatation assembly 3 includes an air floatation roller 31 rotatably arranged on the side wall of the furnace body 2 and horizontally extending into the furnace body 2. The conductive glass substrate 7 is placed on the air floatation roller 31 of the first air floatation assembly 3. Several second air floatation assemblies 4 are arranged between the two first air floatation assemblies 3. The second air floatation assembly 4 includes an air floatation pad 41 longitudinally laid on the bottom wall of the furnace body 2 and several nozzles 42 connected with the air floatation pad 41. The air floatation pad 41 is located below the conductive glass substrate 7. The chassis 1 is provided with a gas supply assembly 6 for supplying gas to the air floatation roller 31 and the nozzle 42.

[0026] In the embodiment, please refer to Figure 2 , the air floatation pad 41 is perpendicular to the air floatation roller 31, and a supporting plate 43 is arranged between adjacent air floatation pads 41.

[0027] The utility model adopts air floatation technology. The high-pressure gas of the nozzle 42 is sprayed from the top surface of the air floatation pad 41, thereby forming a uniform air film. The air film lifts the conductive glass substrate 7, and the conductive glass substrate 7 is in a suspended state. At the same time, the conductive glass substrate 7 is conveyed through the air floatation roller 31, thereby realizing non-contact transmission between the conductive glass substrate 7 and the air floatation roller 31. The problems of substrate scratches and adhesion caused by mechanical contact in the traditional roller transmission are completely solved. The yield of the conductive glass substrate 7 is improved. Dust generation is eliminated, a dust-free environment is created, the production quality of the conductive glass substrate 7 is improved, and the air floatation roller 31 and other components do not need to be frequently replaced. The maintenance workload and maintenance cost of the equipment are reduced, and the operation efficiency and stability of the equipment are improved.

[0028] Please refer to Figure 7 , the air floatation pad 41 is a plate body with a gas cavity in the inside. Please refer to Figures 4-6, several of said nozzles 42 are connected at the bottom of the air cushion pad 41 and communicate with the air cavity of the air cushion pad 41, the top surface of the air cushion pad 41 is provided with a plurality of air slits 411 which communicate with the air cavity, for the air pressure gas to be sprayed out and form an air film, and several of said air slits 411 are staggered arranged at the two edges of the top surface of the air cushion pad 41, for improving the uniformity of the air film. Please refer to Figure 4 , the air cushion roller 31 is internally provided with a cavity, the outer peripheral surface of the air cushion roller 31 is provided with a concave and annular groove 311, and the bottom of the groove 311 is provided with a plurality of air permeable holes 312 which are circumferentially distributed and communicate with the cavity, for the high pressure gas to be uniformly sprayed out.

[0029] Please refer to Figures 3-4 , the first air floating assembly 3 includes a transmission shaft 32 which is rotatably arranged on the side wall of the furnace body 2, one end of the transmission shaft 32 extends into the furnace body 2 and is connected with the air cushion roller 31, the other end extends out of the furnace body 2, the transmission shaft 32 is provided with a central hole along the length direction, one end of the central hole is connected with the cavity of the air cushion roller 31, and the other end is connected with the gas supply assembly 6. The high pressure gas of the gas supply assembly 6 is delivered into the cavity of the air cushion roller 31 through the central hole of the transmission shaft 32, and is sprayed out by the air permeable holes 312.

[0030] Please refer to Figure 3 , the outer peripheral surface of the end of the air cushion roller 31 protrudes outward to form an annular protrusion 313, for limiting the edge of the conductive glass substrate 7 on the air cushion roller 31, to avoid the conductive glass substrate 7 from being deviated during the conveying process.

[0031] Please refer to Figures 1-3 , the perovskite annealing furnace air floating conveying device includes a driving mechanism 5, the driving mechanism 5 includes a motor 51, a synchronous transmission rod 52, a first conveying belt 53, a second conveying belt 54 and a synchronous belt 55. The motor 51 is arranged on the chassis 1, the synchronous transmission rod 52 is rotatably arranged on the chassis 1, the output shaft of the motor 51 is drivingly connected with the synchronous transmission rod 52 through the first conveying belt 53, the two ends of the synchronous transmission rod 52 are respectively drivingly connected with the transmission shafts 32 on the two sides of the furnace body 2 through the second conveying belt 54, and the adjacent two transmission shafts 32 on the same side of the furnace body 2 are drivingly connected through the synchronous belt 55. Please refer to Figure 1 In this embodiment, the transmission connection modes between the motor 51 and the synchronous transmission rod 52, between the synchronous transmission rod 52 and the transmission shaft 32, and between the adjacent two transmission shafts 32 are gear transmission or belt transmission. When the conductive glass substrate 7 is transmitted along the workpiece conveying direction, the motor 51 is started, the motor 51 drives the synchronous transmission rod 52 to rotate, the synchronous transmission rod 52 drives the transmission shafts 32 on the two sides of the furnace body 2 and the air cushion roller 31 to rotate at the same time, so that the air cushion roller 31 starts to convey the conductive glass substrate 7.

[0032] Please refer to Figures 5-6, the second gas floating assembly 4 includes a gas distribution plate 44 and a ring sleeve 45, the furnace body 2 bottom wall is provided with a plurality of through holes 21 along a straight line, and the gas distribution plate 44 is arranged at the plurality of through holes 21. The air cushion pad 41 is connected to the top end of the gas distribution plate 44, the ring sleeve 45 connected to the bottom end of the gas distribution plate 44 is arranged on the nozzle 42, and the ring sleeve 45 serves to fix the nozzle 42.

[0033] Please refer to Figure 6 , the bottom surface of the gas distribution plate 44 in contact with the furnace body 2 bottom wall is provided with a first sealing groove, the first sealing groove is embedded with a first sealing ring 46, and the first sealing ring 46 is in the shape of a rectangular ring; the inner circumferential surface of the ring sleeve 45 is provided with a second sealing groove, the second sealing groove is embedded with a second sealing ring 47, and the outer circumferential surface of the nozzle 42 is formed with a ring protrusion embedded in the second sealing groove; the top surface of the ring sleeve 45 connected to the gas distribution plate 44 is provided with a third sealing groove, and the third sealing groove is embedded with a third sealing ring 48; the top surface of the nozzle 42 connected to the air cushion pad 41 is provided with a fourth sealing groove, and the fourth sealing groove is embedded with a fourth sealing ring 49. In the embodiment, the second sealing, third sealing ring 48 and fourth sealing ring 49 are provided to prevent gas leakage in the furnace body 2 to the outside, and the first sealing ring 46 is provided to prevent gas leakage at the connection between the nozzle 42 and the air cushion pad 41, so as to prevent the high-pressure gas sprayed from the air cushion pad 41 from forming a uniform gas film.

[0034] Please refer to Figure 3 , the gas supply assembly 6 includes a gas storage tank 61, a gas distribution tank 62, a first floating gas tank 63 and a second floating gas tank 64, the gas storage tank 61 is connected with the gas distribution tank 62, the gas distribution tank 62 is connected with the first floating gas tank 63 and the second floating gas tank 64 respectively, one end of the first floating gas tank 63 opposite to the gas distribution tank 62 is connected with a plurality of nozzles 42 of the second gas floating assembly 4 respectively, for providing high-pressure gas to the nozzles 42; the number of the second floating gas tank 64 is two, and the second floating gas tank 64 is connected with a plurality of transmission shafts 32 on both sides of the furnace body 2 respectively, for providing high-pressure gas to the transmission shafts 32 and the air cushion roller 31.

[0035] In the embodiment, a first air pressure detection device 65 is arranged at the connection between the nozzle 42 and the first floating gas tank 63, for detecting the air pressure passing through the nozzle 42; a second air pressure detection device 66 is arranged at the connection between the transmission shaft 32 and the second floating gas tank 64, for detecting the air pressure passing through the transmission shaft 32 and the air cushion roller 31.

[0036] The utility model discloses a perovskite annealing furnace air floatation conveying device is provided with air floatation pad 41 and air floatation roller 31, and through the high pressure gas even air film is formed, can effectively avoid the problem of thin material wrinkle deformation caused by big frictional resistance, uneven stress and other factors, makes the conductive glass substrate 7 keep higher flatness in the conveying process, is favorable for subsequent annealing process and other processing procedures, improves product quality, and the noise that air floatation roller 31 generates in the operation process is extremely low, compared with traditional roller conveying device, can reduce workshop noise greatly, improves the working environment, does not need to use lubricating oil, also does not need to frequently replace bearing and other parts, reduces the equipment maintenance workload and maintenance cost, uses clean compressed air as medium, does not produce oil dirt and other pollutants, meets the environmental protection requirement, is especially suitable for the perovskite production workshop of higher environmental cleanliness, also helps preventing the substrate from being contaminated.

[0037] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A perovskite annealing furnace air floating conveying device, comprising a chassis (1) and a furnace body (2) arranged on the top of the chassis (1), and a plurality of groups of conveying mechanisms are arranged on the furnace body (2) along the conveying direction of the workpiece, characterized in that: Each group of conveying mechanism includes two first air float assemblies (3) oppositely arranged at two sides of the furnace body (2), the first air float assembly (3) includes an air float roller (31) rotatably arranged at the side wall of the furnace body (2) and horizontally extending into the furnace body (2), a plurality of second air float assemblies (4) are arranged between the two first air float assemblies, the second air float assembly (4) includes an air float pad (41) longitudinally arranged at the bottom wall of the furnace body (2) and a plurality of nozzles (42) connected with the air float pad (41).

2. The perovskite annealing furnace air floatation conveying device according to claim 1, characterized in that: The air float pad (41) is a plate body with a cavity in the inside, a plurality of nozzles (42) are connected at the bottom of the air float pad (41) and communicated with the cavity of the air float pad (41), a plurality of air slots (411) communicated with the cavity are arranged at the top surface of the air float pad (41).

3. The perovskite annealing furnace air floatation conveying device according to claim 1, characterized in that: The air float roller (31) is internally provided with a cavity, a concave annular groove (311) is arranged on the outer circumferential surface of the air float roller (31), a plurality of air permeable holes (312) are arranged on the bottom of the groove (311) and communicated with the cavity.

4. The perovskite annealing furnace air floatation conveying device according to claim 3, characterized in that: The first air float assembly (3) includes a transmission shaft (32) rotatably arranged on the side wall of the furnace body (2) through a bearing, one end of the transmission shaft (32) extends into the furnace body (2) and connected with the air float roller (31), the other end extends out of the furnace body (2), a central hole is arranged on the transmission shaft (32) along the length direction, one end of the central hole is connected with the cavity of the air float roller (31), and the other end is connected with a gas supply assembly (6).

5. The perovskite annealing furnace air floatation conveyor of claim 1, wherein: The air float roller (31) is externally protruded to form an annular protrusion (313) on the outer circumferential surface of the end portion.

6. The perovskite annealing furnace air floatation conveyor of claim 1, wherein: The second air float assembly (4) includes a gas distribution plate (44) and a ring sleeve (45), a plurality of through holes (21) are linearly arranged on the bottom wall of the furnace body (2), the gas distribution plate (44) is arranged on the through holes (21), the air float pad (41) is connected with the top end of the gas distribution plate (44), and the ring sleeve (45) connected with the bottom end of the gas distribution plate (44) is sleeved on the nozzle (42).

7. The perovskite annealing furnace air floatation conveyor of claim 6, wherein: The bottom surface of the gas distribution plate (44) in contact with the bottom wall of the furnace body (2) is provided with a first sealing groove, a first sealing ring (46) is embedded in the first sealing groove; a second sealing groove is arranged on the inner circumferential surface of the ring sleeve (45), a second sealing ring (47) is embedded in the second sealing groove; a third sealing groove is arranged on the top surface of the ring sleeve (45) connected with the gas distribution plate (44), a third sealing ring (48) is embedded in the third sealing groove; a fourth sealing groove is arranged on the top surface of the nozzle (42) connected with the air float pad (41), and a fourth sealing ring (49) is embedded in the fourth sealing groove.

8. The perovskite annealing furnace air floatation conveying device according to claim 4, characterized in that: The bottom frame (1) is provided with a gas supply assembly (6), the gas supply assembly (6) comprises a gas storage tank (61), a gas distribution tank (62), a first gas float tank (63) and a second gas float tank (64), the gas storage tank (61) is connected with the gas distribution tank (62), the gas distribution tank (62) is connected with the first gas float tank (63) and the second gas float tank (64) respectively, one end of the first gas float tank (63) opposite to the gas distribution tank (62) is connected with the nozzles (42) of the second gas float assembly (4); the number of the second gas float tank (64) is two, and the second gas float tank (64) is connected with the transmission shaft (32) on the two sides of the furnace body (2).

9. The perovskite annealing furnace air floatation conveyor of claim 8, wherein: The nozzle (42) is provided with a first gas pressure detection device (65) at the connection with the first gas float tank (63); the transmission shaft (32) is provided with a second gas pressure detection device (66) at the connection with the second gas float tank (64).

10. The perovskite annealing furnace air floatation conveying device according to any one of claims 1-7, characterized in that: The gas float pad (41) is perpendicular to the gas float roller (31), and a supporting plate (43) is arranged between adjacent gas float pads (41).

Images