Blockage-free air knife heating device

Through the innovative design of the fixing frame, fixing clamp and air knife assembly, the problem of time-consuming and laborious replacement of heating tubes in the existing non-clogging air knife heating device is solved, realizing convenient fixing and disassembly and improving production efficiency.

CN223921504UActive Publication Date: 2026-02-17JIANGSU LANHUI INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202520285979.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-02-17
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

The existing non-clogging air knife heating device uses bolt fixing, which requires special tools to disassemble the heating tube when it is replaced. This is time-consuming and labor-intensive, reduces production efficiency, and has low practicality.

Method used

The design incorporates a fixed frame, a fixed clamp, and an air knife assembly. Through the sliding connection of the threaded rod and the movable clamp, combined with the engaging structure of the limiting bead and the pushing block, the heating element can be easily fixed and disassembled.

Benefits of technology

This allows for convenient fixing and disassembly of the heating element, improving production efficiency and enhancing the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of new energy photovoltaic technology, in particular to a blocking-free air knife heating device, which comprises a fixing frame, a fixing clamp and an air knife assembly. A fixed plate is arranged on one side of the fixed frame, a fixed clamp is arranged on one side of the fixed frame, a threaded rod is arranged on the inner side of the fixed plate, a movable clamp is rotationally connected to the outer side of the threaded rod, a rotating block is arranged at the upper end of the threaded rod, a heating pipe is arranged between the fixed clamp and the movable clamp, and an air knife assembly is arranged on one side of the heating pipe; a first connector is arranged on one side of the heating pipe, a second connector is arranged on one side of the first connector, an air inlet pipe is arranged on one side of the second connector, and a spring is arranged on one side of the air inlet pipe; according to the device, the heating pipe is fixed in a convenient and fast fixing mode, fixing is more convenient, and therefore the problems that time and labor are wasted, production efficiency is reduced and practicability is low due to the fact that the heating pipe needs to be disassembled through a specific tool when being fixed and replaced in most bolt fixing modes are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to new energy photovoltaic technical field especially relates to a kind of free to block air knife heating device. BACKGROUND

[0002] With the rapid development of solar photovoltaic, tin-coated solder strip has also been widely applied, and the photovoltaic solder strip needs to pass through tin liquid during production, and then tin is coated on the wire. The air knife is the main element for controlling the thickness of the solder strip in the high-speed tin coating machine.

[0003] The existing free-to-block air knife heating device mostly uses a bolt fixing method to fix the heating pipe. When replacing, a special tool is needed for disassembly, which is time-consuming and labor-intensive, reduces production efficiency, and has low practicality.

[0004] Therefore, for the free-to-block air knife heating device, most of which uses a bolt fixing method to fix the heating pipe, and when replacing, a special tool is needed for disassembly, which is time-consuming and labor-intensive, reduces production efficiency, and has low practicality. A free-to-block air knife heating device can be designed to fix the heating pipe by a convenient fixing method, making it more convenient to fix, thereby solving the problem of low practicality of the free-to-block air knife heating device. SUMMARY

[0005] To overcome the shortcomings of the prior art, the free-to-block air knife heating device aims to solve the technical problem of low practicality of the free-to-block air knife heating device, which mostly uses a bolt fixing method to fix the heating pipe, and when replacing, a special tool is needed for disassembly, which is time-consuming and labor-intensive, reduces production efficiency.

[0006] The technical solution of the utility model is as follows: a free-to-block air knife heating device, comprising a fixing frame, a fixing clamp and an air knife assembly; the fixing frame is provided with a fixed plate on one side, and the fixing clamp is provided on the other side of the fixing frame; the inside of the fixed plate is provided with a threaded rod, and the outside of the threaded rod is rotatably connected with a movable clamp; the upper end of the threaded rod is provided with a rotating block; the fixing clamp and the movable clamp are provided with a heating pipe therebetween; the heating pipe is provided with an air knife assembly on one side; the heating pipe is provided with a first connector on one side; the first connector is provided with a second connector on one side; the second connector is provided with an air inlet pipe on one side; the air inlet pipe is provided with a spring on one side; the spring is provided with a push block on one side; and the inside of the second connector is provided with a limiting bead.

[0007] As a preferred embodiment, grooves are formed at the corresponding positions of the fixing frame and the movable clamp, and the movable clamp is slidably connected inside the groove of the fixing frame.

[0008] As preferred, the second connecting head is provided with a slot at the corresponding position of the pushing block, and the pushing block is slidingly connected in the slot of the second connecting head.

[0009] As preferred, the first connecting head is provided with a slot at the corresponding position of the limiting bead, and the limiting bead is engagedly connected in the slot of the first connecting head.

[0010] As preferred, the air knife assembly comprises a three-way pipe; the heating pipe is provided with the three-way pipe on one side, the three-way pipe is provided with a first right-angle connecting pipe on one side, the first right-angle connecting pipe is provided with a metal pipe on one side, the metal pipe is provided with a second right-angle connecting pipe on one side, the second right-angle connecting pipe is provided with a first connecting seat on one side, the first connecting seat is provided with a gap piece on one side, and the gap piece is provided with a second connecting seat on one side.

[0011] As preferred, the first right-angle connecting pipe is provided with two groups, and the two groups of first right-angle connecting pipes are symmetrically arranged on both sides of the three-way pipe.

[0012] As preferred, the first connecting seat and the second connecting seat are provided with an annular gap, the gap piece is taken out, and the first connecting seat and the second connecting seat are attached.

[0013] The beneficial effects of the utility model are as follows:

[0014] Compared with the traditional one, the device fixes the heating pipe by a convenient fixing mode, which is more convenient, thereby solving the problems of fixing the heating pipe by a bolt fixing mode, needing special tools for disassembly during replacement, time-consuming and laborious, reducing production efficiency, and low practicability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a kind of free plugging air knife heating devices, as shown in the figure, including heating pipe, first connecting head, second connecting head, pushing block, limiting bead, air knife assembly, first right-angle connecting pipe, metal pipe, second right-angle connecting pipe, first connecting seat, gap piece and second connecting seat.

[0016] Figure 2 The utility model discloses a kind of free plugging air knife heating devices, as shown in the figure, including heating pipe, first connecting head, second connecting head, pushing block, limiting bead, air knife assembly, first right-angle connecting pipe, metal pipe, second right-angle connecting pipe, first connecting seat, gap piece and second connecting seat.

[0017] Figure 3 The utility model discloses a kind of free plugging air knife heating devices, as shown in the figure, including heating pipe, first connecting head, second connecting head, pushing block, limiting bead, air knife assembly, first right-angle connecting pipe, metal pipe, second right-angle connecting pipe, first connecting seat, gap piece and second connecting seat.

[0018] Figure 4 The utility model discloses a kind of free plugging air knife heating devices, as shown in the figure, including heating pipe, first connecting head, second connecting head, pushing block, limiting bead, air knife assembly, first right-angle connecting pipe, metal pipe, second right-angle connecting pipe, first connecting seat, gap piece and second connecting seat.

[0019] Explanation of reference signs: 1, fixed frame; 2, fixed plate; 301, fixed clamp; 302, threaded rod; 303, movable clamp; 304, rotating block; 305, heating pipe; 306, first connecting head; 307, second connecting head; 308, air inlet pipe; 309, spring; 310, pushing block; 311, limiting bead; 401, three-way pipe; 402, first right-angle connecting pipe; 403, metal pipe; 404, second right-angle connecting pipe; 405, first connecting seat; 406, gap piece; 407, second connecting seat. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] Please refer to Figure 1 - Figure 4This utility model provides an embodiment: a clog-free air knife heating device, including a fixed frame 1, a fixed clamp 301, and an air knife assembly; a fixed plate 2 is provided on one side of the fixed frame 1, and a fixed clamp 301 is provided on one side of the fixed frame 1; a threaded rod 302 is provided on the inner side of the fixed plate 2, and a movable clamp 303 is rotatably connected to the outer side of the threaded rod 302; a rotating block 304 is provided at the upper end of the threaded rod 302; a heating tube 305 is provided between the fixed clamp 301 and the movable clamp 303; an air knife assembly is provided on one side of the heating tube 305; a first connector 306 is provided on one side of the first connector 306; A second connector 307 is provided, with an air inlet pipe 308 on one side of the second connector 307, a spring 309 on one side of the air inlet pipe 308, and a push block 310 on one side of the spring 309. A limit bead 311 is provided inside the second connector 307. A groove is provided at the corresponding position of the fixed frame 1 and the movable clamp 303. The movable clamp 303 is slidably connected to the inside of the groove of the fixed frame 1. The groove provided at the corresponding position of the fixed frame 1 and the movable clamp 303 provides a limiting effect when the movable clamp 303 slides inside the groove. A groove is provided at the corresponding position of the second connector 307 and the push block 310. The push block 310 is slidably connected inside the groove of the second connector 307. The grooves at corresponding positions of the second connector 307 and the push block 310 limit the movement of the push block 310 within the grooves. The grooves at corresponding positions of the first connector 306 and the limiting bead 311 engage with the first connector 306. The grooves at corresponding positions of the first connector 306 and the limiting bead 311 limit the movement of the limiting bead 311 within the grooves. By placing the heating tube 305 inside the fixing clamp 301 and rotating... Rotating block 304 drives threaded rod 302 to rotate, and threaded rod 302 drives movable clamp 303 to slide along the groove on fixed frame 1. Then, push block 310 is pulled, and push block 310 compresses spring 309. Push block 310 slides away from the surface of limit bead 311, releasing the limit bead 311. Then, second connector 307 is fitted on the outside of first connector 306, so that limit bead 311 is engaged and fixed with the groove on first connector 306. Push block 310 is released, spring 309 loses pressure and drives push block 310 to slide, limiting and fixing limit bead 311.

[0022] Please see Figure 3 - Figure 4In the embodiment, the air knife assembly comprises a tee pipe 401; the heating pipe 305 is provided with the tee pipe 401 on one side, the tee pipe 401 is provided with a first right-angle connecting pipe 402 on one side, the first right-angle connecting pipe 402 is provided with a metal pipe 403 on one side, the metal pipe 403 is provided with a second right-angle connecting pipe 404 on one side, the second right-angle connecting pipe 404 is provided with a first connecting seat 405 on one side, the first connecting seat 405 is provided with a gap piece 406 on one side, the gap piece 406 is provided with a second connecting seat 407 on one side, the first right-angle connecting pipe 402 is provided with two groups, and the two groups of first right-angle connecting pipes 402 are symmetrically arranged on the two sides of the tee pipe 401. By arranging the two groups of first right-angle connecting pipes 402, the surface of the tinned strip is blown, so that the air knife is more uniform. The first connecting seat 405 and the second connecting seat 407 are provided with an annular gap, the gap piece 406 is removed, the first connecting seat 405 is attached to the second connecting seat 407, and the air knife is formed by the annular gap between the first connecting seat 405 and the second connecting seat 407, and the tin dust is removed.

[0023] When the heating pipe 305 is installed, the heating pipe 305 is placed in the inner side of the fixed clamp 301, the rotating block 304 is rotated, the rotating block 304 drives the threaded rod 302 to rotate, the threaded rod 302 drives the movable clamp 303 to slide along the groove on the fixed frame 1, then the pushing block 310 is pulled, the pushing block 310 compresses the spring 309, the pushing block 310 slides away from the surface of the limiting bead 311, the limiting of the limiting bead 311 is released, then the second connecting head 307 is sleeved outside the first connecting head 306, the limiting bead 311 is clamped and fixed with the groove on the first connecting head 306, the pushing block 310 is loosened, the spring 309 loses pressure and drives the pushing block 310 to slide, and the limiting bead 311 is limited and fixed.

[0024] When working, nitrogen enters the heating pipe 305 through the air inlet pipe 308 for heating, then enters the first right-angle connecting pipe 402 through the tee pipe 401, enters the metal pipe 403 through the first right-angle connecting pipe 402, enters the first connecting seat 405 through the second right-angle connecting pipe 404, and then forms an air knife through the annular gap between the first connecting seat 405 and the second connecting seat 407, so that the tin liquid is shaped without solidification, and the air knife port is not blocked.

[0025] Through the above steps, by placing the heating pipe 305 inside the fixed clamp 301, rotating the rotating block 304, the rotating block 304 drives the threaded rod 302 to rotate, the threaded rod 302 drives the movable clamp 303 to slide along the groove on the fixed frame 1, then pull the push block 310, the push block 310 compresses the spring 309, the push block 310 slides away from the surface of the limiting bead 311, and the limiting of the limiting bead 311 is released, then the second connecting head 307 is sleeved outside the first connecting head 306, the limiting bead 311 is clamped and fixed with the groove on the first connecting head 306, the push block 310 is loosened, the spring 309 loses pressure and drives the push block 310 to slide, and the limiting bead 311 is limited and fixed.

[0026] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A non-clogging air knife heating device comprising a fixed frame (1); characterized in that: Also include fixed clamp (301) and air knife assembly; fixed frame (1) one side is provided with fixed plate (2), fixed frame (1) one side is provided with fixed clamp (301), fixed plate (2) inside is provided with threaded rod (302), threaded rod (302) outside is rotatably connected with movable clamp (303), threaded rod (302) upper end is provided with rotating block (304), fixed clamp (301) and movable clamp (303) between are provided with heating pipe (305), heating pipe (305) one side is provided with air knife assembly; Heating pipe (305) one side is provided with first connector (306), first connector (306) one side is provided with second connector (307), second connector (307) one side is provided with air inlet pipe (308), air inlet pipe (308) one side is provided with spring (309), spring (309) one side is provided with push block (310), second connector (307) inside is provided with limit bead (311).

2. A non-clogging air knife heating device according to claim 1, wherein: The fixed frame (1) and the corresponding position of the movable clamp (303) are provided with a slot, and the movable clamp (303) is slidably connected in the slot of the fixed frame (1).

3. A non-clogging air knife heating device according to claim 1, wherein: The second connector (307) and the corresponding position of the push block (310) are provided with a slot, and the push block (310) is slidably connected in the slot of the second connector (307).

4. The clog-free knife heating device of claim 1, wherein: The first connector (306) and the corresponding position of the limit bead (311) are provided with a slot, and the limit bead (311) is clamped and connected in the slot of the first connector (306).

5. The clog-free knife heating device of claim 1, wherein: The air knife assembly comprises a three-way pipe (401); The heating pipe (305) one side is provided with three-way pipe (401), three-way pipe (401) one side is provided with first right angle connecting pipe (402), first right angle connecting pipe (402) one side is provided with metal pipe (403), metal pipe (403) one side is provided with second right angle connecting pipe (404), second right angle connecting pipe (404) one side is provided with first connecting seat (405), first connecting seat (405) one side is provided with gap piece (406), gap piece (406) one side is provided with second connecting seat (407).

6. A non-clogging air knife heating device according to claim 5, wherein: The first right angle connecting pipe (402) is provided with two groups, and the two groups of first right angle connecting pipes (402) are symmetrically arranged on both sides of the three-way pipe (401).

7. A non-clogging air knife heating device as defined in claim 5, wherein: The first connecting seat (405) and the second connecting seat (407) are provided with annular gaps, and the gap piece (406) is taken out, and the first connecting seat (405) and the second connecting seat (407) are attached.