Rolling shaft type material conveying device for muffle-free aluminum brazing furnace

Abstract

The rolling shaft type material conveying device for the muffle-free aluminum brazing furnace comprises a roller frame, a plurality of rolling shafts and a driving motor, the roller frame is installed on the aluminum brazing furnace and used for placing the rolling shafts, the rolling shafts are arranged in parallel continuously or at intervals in the length direction of the aluminum brazing furnace, and the driving motor drives the rolling shafts to rotate. A chain wheel transmission mechanism is arranged between the end parts of every two adjacent rolling shafts; and the driving motor is in transmission connection with the end part of the first rolling shaft. The first sealing roller conveying devices are arranged in the feeding chamber, the cooling chamber and the discharging chamber of the muffle-free aluminum brazing furnace, the second sealing roller conveying device is arranged in the brazing chamber, and materials are conveyed through the first sealing roller conveying devices and the second sealing roller conveying devices, so that a conveying mesh belt is prevented from being used for conveying the materials; the problem that the mesh belt needs to be repeatedly heated and frozen is solved, and energy consumption and equipment maintenance cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial brazing furnace technical field, concretely relates to a kind of roller axle type material conveying device for aluminium brazing furnace without muffle. BACKGROUND

[0002] Aluminium brazing furnace is the effective connection of aluminium heat exchanger each spare part a kind of equipment.It is the welding using the feature that the alloy melting point of aluminium solder is lower than the melting point of aluminium metal material.Solder is usually placed in the welding surface near or inside the part to be connected, between part and welding surface and surface is coated with NOCOLOK aluminium brazing agent, after installation dry, part is heated to the temperature that brazing alloy melts under certain inert gas protection and part metal does not melt.The inert gas used is generally nitrogen.At the same time, NOCOLOK aluminium brazing agent breaks the aluminium oxide film, and lets the molten metal between the non-melting metal surface diffuse, after cooling, the solder metal will form metal bonding between part contact surface.

[0003] The existing conveying device used in aluminium brazing furnace, the temperature of conveying belt will rise in the process of use, according to the principle of thermal expansion and contraction, the conveying belt will expand and become longer, the conveying belt is easy to slip, causing the conveying belt unable to convey normally.The conveying belt in aluminium brazing furnace is driven to rotate by driving motor connected with driving wheel, in the process of use, the conveying belt is easy to run off, a plurality of friction bearings for preventing the conveying belt from running off are arranged on the two sides of conveying belt, the friction bearings are connected with inductor, and the inductor is connected with alarm device.The conveying belt will contact with friction bearing on one side of conveying belt when running off, friction between conveying belt and friction bearing will make friction bearing rotate, and the inductor senses signal and transmits it to alarm device to alarm.The operator uses tools to make the conveying belt return to correct conveying position, which is very troublesome, and the labor intensity is large, and the use cost is high. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a kind of roller axle type material conveying device for aluminium brazing furnace without muffle to overcome the above problems.

[0005] A kind of roller axle type material conveying device for aluminium brazing furnace without muffle, comprising

[0006] Roller frame, it is installed on aluminium brazing furnace for placing roller axle;

[0007] Roller axle, it is provided with several, several roller axles are continuously or interval parallel arrangement along the length direction of aluminium brazing furnace, chain wheel transmission mechanism is arranged between the end of every two adjacent roller axles;

[0008] Driving motor, the end of first roller axle is drivingly connected with driving motor.

[0009] The utility model also has the following optional features.

[0010] Optionally, the roller is installed on the roller frame through a sealing bearing seat.

[0011] Optionally, the device comprises a first sealed roller material conveying device and a second sealed roller material conveying device, the first sealed roller material conveying device is provided with a plurality of first sealed roller material conveying devices, and the plurality of first sealed roller material conveying devices are respectively arranged in the feeding chamber, the cooling chamber and the discharging chamber of the aluminum brazing furnace; the second sealed roller material conveying device is arranged in the brazing chamber of the aluminum brazing furnace.

[0012] Optionally, the first sealed roller material conveying device comprises a plurality of pairs of first roller frames, a plurality of first rollers and a first driving motor, a first sprocket transmission mechanism is arranged between the ends of every two adjacent first rollers, and the first driving motor is in transmission connection with the end of the first roller.

[0013] Optionally, the second sealed roller material conveying device comprises a plurality of pairs of second roller frames, a plurality of second rollers and a second driving motor, a sealing bearing seat is arranged between the heat preservation layer in the brazing chamber and the end of each second roller, a sprocket transmission mechanism is arranged between the ends of every two adjacent second rollers, and the main shaft of the second driving motor is in transmission connection with the end of one of the second rollers.

[0014] Optionally, the shaft ends of the second rollers all extend into the sealing cavity, the sprocket transmission mechanism is arranged between the sealing bearing seat and the outer shell, and the end of one of the second rollers extends out of the outer shell and is in transmission connection with the second driving motor.

[0015] Optionally, the second driving motor is provided with a plurality of second driving motors, the plurality of second driving motors are equidistantly spaced, and the main shaft of each second driving motor is in transmission connection with the shaft end of one of the second rollers.

[0016] Optionally, the first sprocket transmission mechanism comprises a plurality of sprockets and chains, one end of each first roller is provided with two sprockets, and the sprockets on every two adjacent first rollers are connected through a chain.

[0017] Optionally, the second sprocket transmission mechanism comprises a plurality of sprockets and chains, one end of each first roller is provided with two sprockets, and the sprockets on every two adjacent first rollers are connected through a chain.

[0018] Optionally, the second sprocket transmission mechanism further comprises a driven sprocket, the driven sprocket is installed at the shaft head position of the first second roller extending out of the brazing chamber outer shell, the main shaft of the driving motor is provided with a driving sprocket, and the driving sprocket is connected with the driven sprocket through a chain.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The rolling shaft type material conveying device for the muffle-free aluminum brazing furnace has the first sealing rolling shaft type material conveying device arranged in the feeding chamber, the cooling chamber and the discharging chamber, the second sealing rolling shaft type material conveying device arranged in the brazing chamber, and the multiple first sealing rolling shaft type material conveying devices and the second sealing rolling shaft type material conveying device for conveying the material, and the heat preservation layer and the heating element arranged in the brazing chamber, so that the temperature in the feeding chamber, the brazing chamber, the cooling chamber and the discharging chamber is relatively stable, the material is conveyed without using the transmission mesh belt, the mesh belt is prevented from being repeatedly heated and frozen, and the energy consumption and the equipment maintenance cost are reduced.

[0021] The above description is only a summary of the technical scheme of the utility model, other features and advantages of the utility model will be described in the subsequent description, and some of them will become apparent from the description or be understood by implementing the utility model. The purpose and other advantages of the utility model can be achieved and obtained by the structure indicated in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0023] Figure 1 It is a structure schematic view of the rolling shaft type material conveying device for the muffle-free aluminum brazing furnace.

[0024] Figure 2 It is Figure 1 The partial enlarged structure view of the brazing chamber in the utility model.

[0025] EXPLANATION OF REFERENCE NUMERALS:

[0026] 101, first roller frame;

[0027] 102, first rolling shaft;

[0028] 103, first chain wheel transmission mechanism;

[0029] 201, second roller frame;

[0030] 202, second rolling shaft;

[0031] 203, second driving motor;

[0032] 204, sealing bearing seat;

[0033] 205. second sprocket transmission mechanism

[0034] 3. feeding chamber

[0035] 4. brazing chamber

[0036] 5. cooling chamber

[0037] 6. discharging chamber

[0038] 7. heat insulation layer

[0039] The utility model will be made further detailed description in combination with the drawings and examples. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The components of the utility model embodiment described and shown in the drawings here can be arranged and designed in various different configurations.

[0041] Embodiment 1

[0042] The embodiment provides a roller type material conveying device for muffle-free roller type aluminum brazing furnace, which comprises

[0043] Roller frame, which is installed on the aluminum brazing furnace for placing the roller;

[0044] Roller, which is provided with a plurality of rollers, and the plurality of rollers are arranged in parallel continuously or at intervals along the length direction of the aluminum brazing furnace, and a sprocket transmission mechanism is arranged between the end portions of every two adjacent rollers;

[0045] Driving motor, which is in transmission connection with the end portion of the first roller.

[0046] In the embodiment, the muffle-free roller type aluminum brazing furnace comprises a feeding chamber 3, a brazing chamber 4, a cooling chamber 5 and a discharging chamber 6 which are sequentially and sealingly connected through flanges from front to back. Therefore, referring to Figure 1 The roller type material conveying device specifically comprises a first sealing roller type material conveying device and a second sealing roller type material conveying device, the first sealing roller type material conveying device is provided with a plurality of first sealing roller type material conveying devices, and the plurality of first sealing roller type material conveying devices are independently arranged in the feeding chamber 3, the cooling chamber 5 and the discharging chamber 6 of the aluminum brazing furnace respectively, and the second sealing roller type material conveying device is arranged in the brazing chamber 4 of the aluminum brazing furnace.

[0047] In use, the feeding door of the feeding chamber 3 is opened, the brazing material is placed on the first sealed roller material conveying device, the first sealed roller material conveying device conveys the brazing material into the feeding chamber 3, and then the brazing material enters the brazing chamber 4. During the conveying of the brazing material through the brazing chamber 4 by the second sealed roller material conveying device, the heating element heats the brazing chamber 4. The nitrogen pipe (not marked in the figure) is arranged below the second sealed roller material conveying device in the brazing chamber 4. A plurality of small holes are arranged on the nitrogen pipe. Nitrogen is dispersed in the brazing chamber 4 through the small holes on the nitrogen pipe. The brazing material is heated by the heating element and protected by nitrogen during the conveying process of the second sealed roller material conveying device, and is not oxidized. Until the brazing material is sent to the cooling chamber 5, it is slowly cooled during the conveying process of the first sealed roller material conveying device in the cooling chamber 5. Then the brazing material is sent into the discharging chamber 6 by the first sealed roller material conveying device, and finally sent out from the discharging door.

[0048] Example 2

[0049] Reference Figure 1 On the basis of example 1, the first sealed roller material conveying device includes a plurality of pairs of first roller frames 101, a plurality of first rollers 102, and a first driving motor. A first sprocket transmission mechanism 103 is arranged between the ends of every two adjacent first rollers 102. The first driving motor is in driving connection with the ends of the first rollers 102. Preferably, the first sprocket transmission mechanism 103 includes a plurality of sprockets and chains. One end of each first roller 502 is provided with two sprockets. The sprockets on every two adjacent first rollers 502 are connected by a chain.

[0050] The feeding chamber 3, the cooling chamber 5, and the discharging chamber 6 all have sealed outer housings, which are arranged on a support frame. The first sealed roller material conveying device is arranged in the outer housing, so that nitrogen cannot leak. One end of each first roller 102 is provided with two sprockets. The sprockets on every two adjacent first rollers 102 are connected by a transmission chain to form the first sprocket transmission mechanism 103. Each first roller 102 is synchronously connected in turn by the first sprocket transmission mechanism 104. When the first driving motor drives the first first roller 102 on one side to rotate through the sprocket and the transmission chain, each first roller 102 rotates synchronously.

[0051] Example 3

[0052] Reference Figure 1 And Figure 2On the basis of embodiment 1, the second sealing roller type material conveying device comprises a plurality of pairs of second roller frames 201, a plurality of second rollers 202 and a second driving motor 203. Two ends of each of the second rollers 202 are respectively provided with a sealing bearing seat 204 between the heat preservation layer in the brazing chamber. Chain wheel transmission mechanisms 205 are respectively arranged between the end portions of every two adjacent second rollers 202. The main shaft of the second driving motor 203 is in transmission connection with the end portion of one of the second rollers 202. Preferably, the second chain wheel transmission mechanism 205 comprises a plurality of chain wheels and chains. One end of each of the first rollers 502 is provided with two chain wheels. The chain wheels on every two adjacent first rollers 502 are connected by a chain. The second chain wheel transmission mechanism 205 further comprises a driven chain wheel. The driven chain wheel is installed at the shaft head position of the first second roller 202 extending out of the shell of the brazing chamber 4. The main shaft of the driving motor is provided with a driving chain wheel. The driving chain wheel is connected with the driven chain wheel by a chain.

[0053] The second sealing roller type material conveying device is arranged in the brazing chamber 4. The same end of each of the second rollers 202 in the second sealing roller type material conveying device is provided with two chain wheels. One of the chain wheels on every two adjacent second rollers 202 is connected by a transmission chain to form the second chain wheel transmission mechanism 205. Each of the second rollers 202 is synchronously connected by the second chain wheel transmission mechanism 205 in sequence. One end of the first second roller 202 in the second sealing roller type material conveying device extends out of the brazing chamber 4. When the first second roller 202 on one side is driven to rotate by the second driving motor 203 outside the brazing chamber 4 through the chain wheel and the transmission chain, each of the second rollers 202 is synchronously rotated.

[0054] Embodiment 4

[0055] Reference Figure 1 and Figure 2 On the basis of embodiment 3, a sealing cavity is further arranged between the shell of the brazing chamber 4 and the heat preservation layer in the brazing chamber 4. The shaft ends of the second rollers 202 extend into the sealing cavity. The second chain wheel transmission mechanism 205 is arranged between the sealing bearing seat 204 and the shell. The end portion of one of the second rollers 202 extends out of the shell and is in transmission connection with the second driving motor 203.

[0056] The brazing chamber 4 has a sealed shell and a sealed heat preservation layer 7. Each pair of second roller frames 201 is arranged on the shell of the brazing chamber 4. The two ends of the second rollers 202 are respectively arranged on the second roller frames 201 after rotating through the heat preservation layer 7. The second chain wheel transmission mechanism 205 is arranged in the sealing cavity formed between the shell of the brazing chamber 4 and the heat preservation layer 7, so that nitrogen leakage can be avoided as much as possible.

[0057] Embodiment 5

[0058] ReferenceFigure 2 On the basis of embodiment 3, the shaft end of the second roller 202 is provided with a transmission wheel in the sealing cavity between the outer shell of the brazing chamber 4 and the inner heat preservation layer of the brazing chamber 4, a driving sprocket is arranged on the main shaft of the driving motor, a driven sprocket is arranged at the shaft head of the second roller 202 extending out of the shell of the brazing chamber 4,

[0059] The driving sprocket of the driving motor drives the driven sprocket at the shaft head of the second roller 202 to rotate through the chain, the transmission wheel of the first second roller drives the transmission wheel of the adjacent second roller to rotate through the chain, and so on, so as to complete the rotation of all the rollers.

[0060] The shaft head of the second roller 202 extending out of the shell of the brazing chamber 4 is provided with a bearing seat connected and fixed.

[0061] Embodiment 6

[0062] Reference Figure 1 On the basis of embodiment 4, a plurality of second driving motors 203 are arranged, the plurality of second driving motors 203 are arranged at equal intervals, and the main shaft of each second driving motor 203 is in transmission connection with the shaft end of one second roller 202.

[0063] Since the brazing chamber 2 is relatively long, the distribution range of the second sealing roller type material conveying device is also relatively long, so it is necessary to arrange a second driving motor 203 every four meters, and each second driving motor 203 drives a plurality of second rollers 202 to rotate, so as to improve the conveying efficiency of the second sealing roller type material conveying device on the brazing material.

[0064] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims. The components and structures not described in detail in the embodiment are the known components and common structures or common means in the industry, which are not described here.

Claims

1. A roller-type material conveying device for a muffleless aluminum brazing furnace, characterized by: Comprising Roller frame, mounted on the aluminum brazing furnace for placing the roller; Rollers are provided with several, several rollers are arranged in parallel along the length direction of the aluminum brazing furnace continuously or at intervals, chain wheel transmission mechanism is arranged between the end of each two adjacent rollers; Driving motor, the driving motor is in transmission connection with the end of the first roller.

2. The roller conveyor for a muffleless aluminum brazing furnace according to claim 1, characterized in that, The roller is installed on the roller frame through the sealing bearing seat.

3. The roller conveyor for a muffleless aluminum brazing furnace according to claim 1, characterized in that, The device comprises a first sealed roller type material conveying device and a second sealed roller type material conveying device, the first sealed roller type material conveying device is provided with a plurality of first sealed roller type material conveying devices, which are arranged in the feeding chamber (3), the cooling chamber (5) and the discharging chamber (6) of the aluminum brazing furnace respectively, and the second sealed roller type material conveying device is arranged in the brazing chamber (4) of the aluminum brazing furnace.

4. The roller conveyor for a muffleless aluminum brazing furnace according to claim 3, characterized in that, The first sealed roller type material conveying device comprises a plurality of pairs of first roller frames (101), a plurality of first rollers (102) and a first driving motor, a first chain wheel transmission mechanism (103) is arranged between the end of each two adjacent first rollers (102), and the first driving motor is in transmission connection with the end of the first first roller (102).

5. The roller conveyor for a muffleless aluminum brazing furnace of claim 1, wherein The second sealed roller type material conveying device comprises a plurality of pairs of second roller frames (201), a plurality of second rollers (202) and a second driving motor (203), a sealing bearing seat (204) is arranged between the heat preservation layer in the brazing chamber (4) and the two ends of each second roller (202), a second chain wheel transmission mechanism (205) is arranged between the ends of each two adjacent second rollers (202), and the main shaft of the second driving motor (203) is in transmission connection with the end of one of the second rollers (202).

6. The roller conveyor for a muffleless aluminum brazing furnace according to claim 5, characterized in that, A sealing cavity is further arranged between the outer shell of the brazing chamber (4) and the heat preservation layer, the shaft ends of the second rollers (202) all extend into the sealing cavity, the chain wheel transmission mechanism (205) is arranged between the sealing bearing seat (204) and the outer shell, and the end of one of the second rollers (202) extends out of the outer shell and is in transmission connection with the second driving motor (203).

7. The roller conveyor for a muffleless aluminum brazing furnace of claim 5, wherein The second driving motor (203) is provided with a plurality of second driving motors (203), the second driving motors (203) are equidistantly and interval arranged, and the main shaft of each second driving motor (203) is in transmission connection with the shaft end of one of the second rollers (202).

8. The roller conveyor for a muffleless aluminum brazing furnace of claim 4, wherein The first chain wheel transmission mechanism (103) comprises a plurality of chain wheels and chains, one end of each first roller (102) is provided with two chain wheels, and the chain wheels on each two adjacent first rollers (102) are connected through chains.

9. The roller conveyor for a muffleless aluminum brazing furnace of claim 5, wherein The second chain wheel transmission mechanism (205) comprises a plurality of chain wheels and chains, one end of each first roller (102) is provided with two chain wheels, and the chain wheels on each two adjacent first rollers (102) are connected through chains.

10. The roller conveyor for a muffleless aluminum brazing furnace of claim 9, wherein The second sprocket transmission mechanism (205) further comprises a driven sprocket, which is installed at the shaft head position of the first second roller (202) extending out of the shell of the brazing chamber (4), and the main shaft of the driving motor is provided with a driving sprocket, which is connected with the driven sprocket through a chain.

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