CN111974576A

CN111974576A - Pre-spraying rotating device before brazing of heat exchanger parts

Info

Publication number: CN111974576A
Application number: CN202010667082.0A
Authority: CN
Inventors: 吴文杰; 王克鹏; 周明; 吴启明; 王乔林; 吴进
Original assignee: Yancheng Ruihua Coating Equipment Co ltd
Current assignee: Yancheng Ruihua Coating Equipment Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-11-24

Abstract

The invention discloses a pre-spraying rotating device before brazing of heat exchanger parts, which comprises a conveying chain, wherein the conveying chain comprises an inner chain plate, an outer chain plate and a connecting shaft, wherein the inner chain plate and the outer chain plate are sequentially arranged at intervals; the rotary part comprises an installation frame, a plurality of inner rollers installed on the installation frame and a rotary driving belt annularly arranged on the inner rollers, the axes of the inner rollers are parallel, and the inner rollers are positioned on the inner side of the rotary driving belt; the rotary driving belt is positioned above the conveying chain, and the side surface of the rotary driving belt facing the conveying chain is used as a working surface of the rotary part. According to the invention, the rotating part is used for driving the tubular parts on the conveying chain to rotate, so that the parts are uniformly sprayed in the spraying area, the spraying length is fixed, and the later-stage welding quality is effectively ensured.

Description

Pre-spraying rotating device before brazing of heat exchanger parts

Technical Field

The invention relates to a pre-spraying rotating device before brazing of heat exchanger parts.

Background

Before brazing of an evaporator liquid collecting pipe, a brazing flux needs to be sprayed, the existing spraying work is usually manual spraying, but the manual spraying is low in efficiency and easily causes the problems of uneven spraying and the like, and the quality of a subsequent brazing process is caused by uneven spraying, so that the problems of automation of spraying and improvement of production efficiency and product quality are solved at present.

Disclosure of Invention

The invention aims to provide a pre-spraying rotating device which has high automation degree and uniform spraying and is used for heat exchanger parts before brazing.

In order to solve the technical problems, the invention adopts the following technical scheme: a pre-spraying rotating device before brazing of heat exchanger parts comprises

The conveying chain comprises inner chain plates and outer chain plates which are sequentially arranged at intervals and a connecting shaft which is used for rotationally connecting the inner chain plates and the outer chain plates;

the rotary part comprises an installation frame, a plurality of inner rollers installed on the installation frame and a rotary driving belt annularly arranged on the inner rollers, the axes of the inner rollers are all parallel, and the inner rollers are all positioned on the inner side of the rotary driving belt;

the rotary driving belt is positioned above the conveying chain, and the side surface of the rotary driving belt facing the conveying chain is used as a working surface of a rotary part.

In another preferred mode, the rotating portion further includes a driving roller disposed on the mounting bracket for driving the rotation driving belt to rotate, and the driving roller is located inside the rotation driving belt and has a rotation axis parallel to a rotation axis of the inside roller.

Another preferred mode, the mounting bracket include horizontal frame, with horizontal vertical frame that puts up mutually perpendicular, locate vertical frame both sides just are respectively towards the tensioning frame that extends in the slope, the rotating part still including rotate connect in on the tensioning frame and be located the tensioning roller in the rotatory driving band outside, the outer peripheral face of tensioning roller press in on the rotatory driving band.

In another preferred mode, the outer chain plates are provided with mounting positions, and the mounting positions of the two opposite outer chain plates form a station for placing parts.

In another preferred mode, there are multiple groups of the conveying chains, and the rotating part is located between two adjacent conveying chains.

The invention has the beneficial effects that: according to the invention, the rotating part is used for driving the tubular parts on the conveying chain to rotate, so that the parts are uniformly sprayed in the spraying area, the spraying length is fixed, and the later-stage welding quality is effectively ensured.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in figure 1, the pre-spraying rotating device before brazing of the heat exchanger parts comprises conveying chains 1 and rotating parts 2, wherein the conveying chains 1 are provided with a plurality of groups, and the rotating parts 2 are positioned between two adjacent conveying chains 1.

The conveying chain 1 comprises inner chain plates 11 and outer chain plates 12 which are sequentially arranged at intervals and a connecting shaft 14 which is used for rotationally connecting the inner chain plates 11 and the outer chain plates 12, wherein the outer chain plates 12 are provided with mounting positions 13, the mounting positions 13 are U-shaped or V-shaped grooves, and the mounting positions 13 of the two opposite outer chain plates 12 form stations for placing the parts 00.

The rotating part 2 includes an installation frame 21, and the installation frame 21 includes a transverse frame 22, a longitudinal frame 23 perpendicular to the transverse frame 22, and tension frames 24 provided on both sides of the longitudinal frame 23 and extending obliquely upward. The rotating portion 2 further includes a plurality of inner rollers 25 mounted on the mounting frame 21, a rotating driving belt 26 annularly disposed on the inner rollers 25, a rotating driving motor (a conventional servo motor, which is not described herein) disposed on the mounting frame 21 for driving the rotating driving belt 26 to rotate and driving the driving roller 27 to rotate, and a tension roller 28 rotatably connected to the tension frame 24 and located outside the rotating driving belt 26, wherein the axes of the inner rollers 25 are parallel, the inner rollers 25 are located inside the rotating driving belt 26, the driving roller 27 is located inside the rotating driving belt 26 and has a rotation axis parallel to the rotation axis of the inner rollers 25, and the outer peripheral surface of the tension roller 28 presses on the rotating driving belt 26. (ii) a

The rotary drive belt 26 is located above the conveyor chain 1, and its side facing the conveyor chain 1 serves as the running surface for the rotating parts.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A pre-spraying rotating device before brazing of heat exchanger parts is characterized in that: which comprises

2. The pre-spray rotary device of claim 1, wherein: the rotating part is still including locating be used for driving the rotatory drive band on the mounting bracket and rotate ground drive roller, the drive roller is located the rotatory drive band is inboard and its axis of rotation with the axis of rotation of inboard roller is parallel.

3. The pre-spray rotary device of claim 2, wherein: the mounting bracket including horizontal frame, with horizontal frame looks vertically vertical frame, locate vertical frame both sides just are respectively towards the tensioning frame that extends in the slope, the rotating part still including rotate connect in on the tensioning frame and be located the tensioning roller in the rotatory driving band outside, the outer peripheral face of tensioning roller press in on the rotatory driving band.

4. The pre-spray rotary device of claim 1, wherein: the outer chain plates are provided with mounting positions, and the mounting positions of the two opposite outer chain plates form a station for placing parts.

5. The pre-spray rotary device of claim 1, wherein: the conveying chains are provided with a plurality of groups, and the rotating part is positioned between two adjacent conveying chains.