CN210225897U

CN210225897U - Snail type drying equipment for thin film printed circuit

Info

Publication number: CN210225897U
Application number: CN201920481927.XU
Authority: CN
Inventors: Chong He; 贺翀
Original assignee: SUZHOU GODA MEMBRANE SWITCH CO Ltd
Current assignee: SUZHOU GODA MEMBRANE SWITCH CO Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-03-31
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a snail formula drying equipment that film printed circuit used, it is including the oven that has feed inlet and discharge gate, the heater, and be used for carrying out the winding mechanism of roll-up with the circuit board film of drying, the cavity of oven is the annular, the feed inlet is located the annular outside, the discharge gate is located annular inboard, ring cavity including winding mechanism sets up, drying equipment is still including setting up many guide rolls inside the cavity, mutual parallel arrangement between many guide rolls, and distribute along the orbit of helix in proper order, the circuit board film that gets into the cavity walks around many guide rolls in proper order along the orbit of helix from discharge gate direction winding mechanism. The utility model discloses lead to and make the film product be the progressive material of walking of spiral in the oven, not only can dry in less space, the homogeneity of the temperature of being heated is also convenient for control moreover, improves the quality of product, and the energy consumption is little, with low costs simultaneously.

Description

Snail type drying equipment for thin film printed circuit

Technical Field

The utility model belongs to keyboard software part processing equipment field, concretely relates to snail formula drying equipment that film printed circuit used.

Background

Currently, after the circuit is printed, the film needs to be dried to ensure that the printed layer is rolled up after drying.

However, the equipment commonly used is a tunnel oven for drying the film, which has the following drawbacks:

1) large floor area, high environmental temperature and unstable drying quality;

2) high energy consumption and high cost inevitably.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a snail formula drying equipment that modified film printed circuit used. The film drying oven has the advantages that the film products are fed in the oven in a spiral progressive mode, drying can be carried out in a small space, uniformity of heated temperature is convenient to control, product quality is improved, and meanwhile energy consumption is low and cost is low.

For solving the technical problem, the utility model discloses a following technical scheme:

the utility model provides a snail formula drying equipment that film printed circuit used, it is including the oven that has feed inlet and discharge gate, a heater, and be used for carrying out the winding mechanism of roll-up with the circuit board film of drying, the cavity of oven is the annular, the feed inlet is located the annular outside, the discharge gate is located annular inboard, winding mechanism sets up in the inner ring chamber, drying equipment is still including setting up many guide rolls inside the cavity, mutual parallel arrangement between many guide rolls, and distribute in proper order along the orbit of helix, many guide rolls are walked around in proper order along the orbit of helix to the circuit board film that gets into the cavity from discharge gate direction winding mechanism.

Preferably, an upper roller assembly and a lower roller assembly are respectively arranged above and below the discharge port and in the inner ring cavity, and a circuit board film coming out of the discharge port enters the winding mechanism from a position between the upper roller assembly and the lower roller assembly.

According to a specific implementation and preferred aspect of the present invention, the lower limit component comprises a lower support, a lower roller extending along the width direction of the circuit board film and rotatably disposed on the lower support around the axis thereof.

Preferably, the lower rollers are at least two, and the upper portions of the lower rollers are arranged in a flush manner. The lower roll is arranged to: when the film is just rolled, the discharge port is prevented from scratching the film of the circuit board.

According to the utility model discloses a still another concrete implementation and preferred aspect, go up the roller assembly and include the upper bracket, telescopically set up the telescopic bracket on the upper bracket, extend and rotate the last roller that sets up in the telescopic bracket bottom around self axis along circuit board film width direction, wherein the telescopic bracket can be along with the flexible setting of adjusting of circuit board film to last roller effort size. The purpose of this is: along with the increasing of the furling amount, the possibility of the film damage of the circuit board caused by the discharge port is further reduced due to the movement of the upper roller.

Preferably, the telescopic supports are at least two groups and are arranged on the upper support side by side, and the upper rollers are arranged in one-to-one correspondence with the telescopic supports.

Preferably, the upper roller and the upper support are respectively provided with a limiting sensor and an inductor, the upper roller assembly further comprises an information processor communicated with the inductor and the winding mechanism, when the limiting sensor moves upwards to the induction range of the inductor, the information processor feeds back information sent by the inductor to the winding mechanism, and the winding mechanism stops winding and gives a warning. This is another purpose of this application setting roller, and it is just to realize that: when the coiling amount reaches the limit, the machine is stopped to alarm, and the next coil is coiled.

Preferably, air curtains are formed at the feed inlet and the discharge outlet, respectively.

Preferably, a guide-in module is arranged outside the feed inlet.

Preferably, the winding mechanism comprises a winding roller positioned in the inner annular cavity and a driving assembly for driving the winding roller to rotate, wherein the winding roller is arranged in parallel with the guide roller and is positioned at the center of the spiral track.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses lead to and make the film product be the progressive material of walking of spiral in the oven, not only can dry in less space, the homogeneity of the temperature of being heated is also convenient for control moreover, improves the quality of product, and the energy consumption is little, with low costs simultaneously.

Drawings

Fig. 1 is a schematic front view of the snail-type drying device of the present invention;

FIG. 2 is an enlarged view of the upper and lower roller assemblies of FIG. 1;

wherein: 1. an oven; 1a, a feed inlet; 1b, a discharge hole; 2. a winding mechanism; 20. a winding roller; 3. a guide roller; 4. an air curtain; 5. importing a module; 6. an upper roll assembly; 60. an upper support; 61. a telescopic bracket; 62. upper roll; 7. a lower roll assembly; 70. a lower support; 71. a lower roll; m, circuit board film; q, a cavity; q' and an inner ring cavity.

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.

Referring to fig. 1, the snail-type drying apparatus for thin film printed circuit of the present embodiment includes an oven 1 having a feeding port 1a and a discharging port 1b, a heater (not shown in the figure, but not difficult to think about), and a winding mechanism 2 for winding up a dried circuit board film m, wherein the winding mechanism 2 is disposed in an inner ring cavity, the drying apparatus further includes a plurality of guide rollers 3 disposed inside the cavity Q, the plurality of guide rollers 3 are disposed in parallel to each other and are sequentially distributed along a track of a spiral line, and the circuit board film m entering the cavity Q sequentially bypasses the plurality of guide rollers 3 along the track of the spiral line and is guided to the winding mechanism 2 from the discharging port 1 b.

Specifically, the cavity Q of the oven 1 is annular, the feed inlet 1a is located on the annular outer side, the discharge outlet 1b is located on the annular inner side, and air curtains 4 are respectively formed at the feed inlet 1a and the discharge outlet 1 b. The air curtain 4 is mainly used to prevent the energy loss caused by the in and out of the film, and is a conventional means in the heating field, and will not be described in detail here.

In this example, the following is performed in order to prevent the inlet port 1a and the outlet port 1b from damaging the circuit board film m.

An introduction module 5 is also provided outside the feed port 1 a. So that the circuit board film m is attached to the upper surface of the lead-in module 5 and enters the oven 1.

An upper roller assembly 6 and a lower roller assembly 7 are respectively arranged above and below the discharge port 1b and in the inner ring cavity Q', and a circuit board film m transmitted from the discharge port 1b enters the winding mechanism 2 from a position between the upper roller assembly 6 and the lower roller assembly 7.

Referring to fig. 2, the upper roller assembly 6 includes an upper support 60, a telescopic bracket 61 telescopically disposed on the upper support 60, and an upper roller 62 extending along the width direction of the circuit board film m and rotatably disposed at the bottom of the telescopic bracket 61 around its own axis, wherein the telescopic bracket 61 can be telescopically adjusted along with the magnitude of the acting force of the circuit board film m on the upper roller 62. The purpose of this is: along with the increasing of the furling amount, the possibility of the film damage of the circuit board caused by the discharge port is further reduced due to the movement of the upper roller.

In this example, two sets of the telescopic brackets 61 are arranged side by side on the upper support 60, and the upper rollers 62 are arranged in one-to-one correspondence with the telescopic brackets 61.

Further, a limit sensor (not shown, but not considered) and a sensor (not shown, but considered) are respectively arranged on the upper roller 62 and the upper support 60, the upper roller assembly 6 further comprises an information processor (not shown, but considered) communicated with the sensor and the winding mechanism 2, when the limit sensor moves up to the sensing range of the sensor, the information processor feeds back information sent by the sensor to the winding mechanism, and the winding mechanism stops winding and gives an alarm. This is another purpose of this application setting roller, and it is just to realize that: when the coiling amount reaches the limit, the machine is stopped to alarm, and the next coil is coiled.

The lower limiting assembly 7 comprises a lower support 70, two lower rollers 71 which extend along the width direction of the circuit board film m and are rotatably arranged on the lower support 70 around the axis of the lower rollers 71, and the upper parts of the lower rollers 71 are flush. The lower roll is arranged to: when the film is just rolled, the discharge port is prevented from scratching the film of the circuit board.

The winding mechanism 2 comprises a winding roller 20 positioned in the inner annular cavity and a driving assembly for driving the winding roller 20 to rotate, wherein the winding roller 20 is arranged in parallel with the guide roller 3 and is positioned at the center of the spiral track.

Then, the applicant explains the meaning of the snail form, which mainly indicates: the circuit board film entering the oven is fed at a low speed along the spiral track, so that the circuit board film can be dried in a small space, and the cost is greatly reduced.

Meanwhile, in this example, it is worth explaining: the arrangement of the upper roller assembly and the lower roller assembly prevents the film of the circuit board from being damaged by the discharge port on one hand; on the other hand, the roll-up amount is convenient to monitor (meaning that after the roll-up amount is finished, the automatic stop alarm is carried out, and the roll-up of the next roll is continued after the treatment of an operator).

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a snail formula drying equipment that film printed circuit used, its includes oven, heater that has feed inlet and discharge gate and is used for carrying out the winding mechanism of roll-up with the circuit board film of drying which characterized in that: the cavity of oven is the annular, the feed inlet be located the annular outside, the discharge gate be located annular inboard, winding mechanism set up in the inner ring chamber, drying equipment still including setting up many inside guide rolls of cavity, many guide rolls between parallel arrangement each other, and distribute in proper order along the orbit of helix, get into many are walked around in proper order along the orbit of helix to the circuit board film of cavity the guide roll certainly the discharge gate direction winding mechanism.

2. A snail-type drying apparatus for a thin film printed circuit as set forth in claim 1, wherein: an upper roller assembly and a lower roller assembly are respectively arranged above and below the discharge port and in the inner ring cavity, and a circuit board film transmitted from the discharge port enters the winding mechanism from between the upper roller assembly and the lower roller assembly.

3. A snail-type drying apparatus for a thin film printed circuit as set forth in claim 2, wherein: the lower roller assembly comprises a lower support and a lower roller which extends along the width direction of the circuit board film and is rotatably arranged on the lower support around the axis of the lower roller.

4. A snail-type drying apparatus for a thin film printed circuit as set forth in claim 3, wherein: the lower rollers are at least two, and the upper parts of the lower rollers are arranged in a flush manner.

5. A snail-type drying apparatus for a thin film printed circuit as set forth in claim 2, wherein: the last roller assembly include the upper bracket, telescopically set up telescopic bracket on the upper bracket, extend along circuit board film width direction and rotate around self axis and set up the last roller of telescopic bracket bottom, wherein telescopic bracket can be right along with the circuit board film it is in to go up the flexible regulation setting of roller effort size.

6. A snail-type drying apparatus for a thin film printed circuit according to claim 5, wherein: the telescopic supports are at least two groups and are arranged on the upper support side by side, and the upper rollers are arranged in one-to-one correspondence with the telescopic supports.

7. A snail-type drying apparatus for a thin film printed circuit according to claim 5, wherein: go up the roller with be equipped with spacing sensor and inductor on the upper bracket respectively, last roller assembly still include with the inductor with the information processor that winding mechanism is linked together, work as spacing sensor goes upward to when the response within range of inductor, information processor with the information feedback that the inductor sent extremely winding mechanism, winding mechanism stop the roll-up and warn.

8. A snail-type drying apparatus for a thin film printed circuit as set forth in claim 1, wherein: air curtains are respectively formed at the feed inlet and the discharge outlet.

9. A snail-type drying apparatus for a thin film printed circuit according to claim 1 or 6, wherein: and a guide-in module is also arranged on the outer side of the feed inlet.

10. A snail-type drying apparatus for a thin film printed circuit as set forth in claim 1, wherein: the winding mechanism comprises a winding roller and a driving assembly, wherein the winding roller is positioned in the inner ring cavity, the driving assembly drives the winding roller to rotate, and the winding roller and the guide roller are arranged in parallel and are positioned in the center of a spiral track.