CN218366458U

CN218366458U - Oven of film stretcher

Info

Publication number: CN218366458U
Application number: CN202222105663.2U
Authority: CN
Inventors: 温伟晋; 黄文如; 王重久
Original assignee: Guangzhou Horizon Technology Co ltd
Current assignee: Guangzhou Horizon Technology Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-01-24
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses an oven of film stretcher, the power distribution box comprises an upper box body, lower box body, go up the backplate, lower backplate, go up the dustcoat, the fan, the muffler, three group's fans, heating element, it installs on box under to go up the box, go up the backplate install in the bottom of last box and with last box between form the air cavity, it is equipped with the venthole that communicates with the air cavity to go up the backplate, lower backplate installs the bottom and four sides of the inside of box under and down and form the air cavity between the box, be equipped with the return air hole with return air cavity intercommunication on the backplate down, go up the dustcoat and fix at the top of last box and with last box between form the gas storage chamber, the muffler communicates between air cavity and gas storage chamber, the exit at the muffler is installed to the fan, the top of going up the box is equipped with three group's mounting holes, the fan is installed in the mounting hole, heating element installs in the bottom of giving vent air cavity and being located the fan. The utility model discloses make the heating temperature of oven can reach the operation requirement, improve the tensile precision of film effectively.

Description

Oven of film stretcher

Technical Field

The utility model relates to an oven of film stretcher belongs to film stretcher technical field.

Background

Most of the existing oven of the film stretcher consists of an upper box body and a lower box body, an air outlet is formed in the bottom of the upper box body, an air return hole is formed in the lower box body, and air is recycled from the air return hole to the upper box body through air return pipes on two sides and is blown by a fan to heat a film on a stretching component in the upper box body through a heating component and then flows out of the air outlet to heat the film. Although the oven can meet the use requirement to a certain extent, the disadvantages of the oven are that: the gas quantity coming out of the gas outlet holes at the bottom of the upper box body is lower than that at the two sides of the upper box body, so that the temperature of the middle part of the lower box body is lower than that at the two sides of the lower box body, the film on the stretching assembly is heated unevenly, and the stretching efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overcome the not enough of prior art existence, provide an oven of film stretcher.

The utility model discloses can realize through taking following technical scheme:

the oven comprises an upper box body, a lower box body, an upper protection plate, a lower protection plate, an upper outer cover, a fan, an air return pipe, three groups of fans and a heating assembly, wherein the upper box body is installed on the lower box body, the upper protection plate is installed at the bottom of the upper box body and forms an air outlet cavity with the upper box body, the upper protection plate is provided with air outlet holes communicated with the air outlet cavity, the lower protection plate is installed at the bottom and four sides of the inner part of the lower box body and forms an air return cavity with the lower box body, the lower protection plate is provided with air return holes communicated with the air return cavity, the upper outer cover is fixed at the top of the upper box body and forms an air storage cavity with the upper box body, the air return pipe is communicated between the air return cavity and the air storage cavity, the fan is installed at the outlet of the air return pipe, the top of the upper box body is provided with three groups of installation holes, the fans are installed in the installation holes, and the heating assembly is installed in the air outlet cavity and positioned at the bottom of the fans.

Preferably, the number of the air return pipes is two, and the two air return pipes are respectively arranged on the left side and the right side of the upper box body and the lower box body.

Preferably, three sets of the fans are equidistantly installed in the upper case.

Preferably, the air outlet holes are distributed on the upper protection plate in a matrix manner.

Preferably, the air return holes are distributed on the lower guard plate in a matrix.

Preferably, the heating assembly comprises a plurality of ceramic arc-shaped radiators, and the plurality of ceramic arc-shaped radiators are equidistantly mounted in the air outlet cavity.

Preferably, one side of the upper case is hinged to the lower case, and the other side of the upper case is fastened to the lower case.

Preferably, the lower box body is provided with a support rod for supporting the opening of the upper box body.

Preferably, the top of the lower box body is provided with a groove downwards, and the bottom of the upper box body is embedded into the groove.

Preferably, the upper box body is provided with a handle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be equipped with three group's fans in air outlet chamber department equidistance, make from the blowing of three group's fans of air ability that the gas storage chamber was returned under the heating element get into the nowel by the venthole after, carry out the even heating to the film on the tensile module in the nowel, the mid portion heating temperature that causes the box down when avoiding traditional oven to adopt two fans is less than the problem of both sides, makes the heating temperature of oven can reach operation requirement, improves the tensile precision of film effectively.

Drawings

Fig. 1 is a schematic view of the overall structure of the oven of the film stretching machine of the present invention;

fig. 2 is an exploded view of the oven of the film stretcher of the present invention;

FIG. 3 is another exploded view of the oven of the film stretcher of the present invention;

the air storage box comprises an upper box body 1, a lower box body 2, an upper protection plate 3, a lower protection plate 4, an upper outer cover 5, a fan 6, an air return pipe 7, a fan 8, a heating assembly 9, an air outlet cavity 11, an air storage cavity 12, an installation hole 13, a handle 14, a transparent window 15, an air return cavity 21, a support rod 22, a groove 23, an air outlet hole 31 and an air return hole 41.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 3, the oven of the film stretching machine of this embodiment includes an upper box 1, a lower box 2, an upper guard plate 3, a lower guard plate 4, an upper cover 5, a blower 6, an air return pipe 7, three sets of fans 8, and a heating assembly 9, wherein the upper box 1 is installed on the lower box 2, the upper guard plate 3 is installed at the bottom of the upper box 1 and forms an air outlet cavity 11 with the upper box 1, the upper guard plate 3 is provided with an air outlet 31 communicated with the air outlet cavity 11, the lower guard plate 4 is installed at the bottom and four sides of the inner part of the lower box 2 and forms an air return cavity 21 with the lower box 2, the lower guard plate 4 is provided with an air return hole 41 communicated with the air return cavity 21, the upper cover 5 is fixed at the top of the upper box 1 and forms an air storage cavity 12 with the upper box 1, the air return pipe 7 is communicated between the air return cavity 21 and the air storage cavity 12, the blower 6 is installed at an outlet of the air return pipe 21, the top of the upper box 1 is provided with three sets of mounting holes 13, the fans 8 are installed in the mounting holes 13, and the heating assembly 9 is installed at the bottom of the air outlet cavity 11 and is located at the bottom of the air return pipe 11. Air returns to the air return cavity in the lower box body from the air return hole on the lower protective plate and returns to the air storage cavity in the upper box body through the air pipe and the fan, and in the action of the three groups of fans, the air uniformly flows into the air outlet cavity in the upper box body, is heated by the heating component and then uniformly flows out from the air outlet hole of the upper protective plate to blow to the film on the stretching component in the lower box body. The oven of the film stretcher of this embodiment is equipped with three sets of fans in air outlet chamber department equidistance, make the air that returns from air storage chamber department get into the nowel body by the venthole behind heating element under the blowing of three sets of fans, carry out the even heating to the film on the tensile subassembly in the nowel body, the problem that the mid portion heating temperature of box is less than both sides under avoiding causing when traditional oven adopts two fans, the heating temperature who makes the oven can reach operation requirement, improve the tensile precision of film effectively.

In this embodiment, the number of the air returning pipes 7 is two, and the two air returning pipes 7 are respectively arranged on the left side and the right side of the upper box body 1 and the lower box body 2, so that the air in the lower box body 2 can return to the inside of the upper box body 1 quickly. The three groups of fans 8 are arranged in the upper box body 1 at equal intervals, so that air can uniformly flow out from the air outlet holes 31 at the upper protective plate 3 under the clamping of the three groups of fans 8. The air outlet holes 31 are distributed on the upper protection plate 3 in a matrix manner, so that hot air flow is more uniform. The air return holes 41 are distributed on the lower protection plate 4 in a matrix manner, so that air recovery is more uniform. Heating element 9 includes a plurality of ceramic arc radiators, and is a plurality of ceramic arc radiators equidistance is installed go out in the air cavity 11, make the air be heated into steam rapidly in going out the air cavity.

In this embodiment, one side of the upper case 1 is hinged to the lower case 2, and the other side of the upper case is fastened to the lower case 2, so that the upper case 1 can be opened conveniently. The lower box body 2 is provided with a support rod 22 for supporting the upper box body 1 to be opened, so that the upper box body 1 can be conveniently supported. The top of lower box 2 is equipped with recess 23 downwards, go up the bottom embedding of box 1 in the recess 23, utilize the cooperation of last box 1 and recess 23, it is better to make last box 1 and lower box 2 lid close the effect. The upper box body 1 is provided with a lifting handle 14, and the upper box body 1 is conveniently opened by utilizing the lifting handle 14. And a transparent window is arranged on the upper box body 1 and can be used for observing the working condition in the oven.

The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and is intended to cover various modifications, equivalent combinations, which are made according to the essence of the present invention.

Claims

1. An oven of film stretcher which characterized in that: the upper box body is installed on the lower box body, the upper protection plate is installed at the bottom of the upper box body and forms a gas outlet cavity with the upper box body, the upper protection plate is provided with gas outlet holes communicated with the gas outlet cavity, the lower protection plate is installed at the bottom and four sides of the inner portion of the lower box body and forms a gas return cavity with the lower box body, the lower protection plate is provided with gas return holes communicated with the gas return cavity, the upper outer cover is fixed at the top of the upper box body and forms a gas storage cavity with the upper box body, the gas return pipe is communicated between the gas return cavity and the gas storage cavity, the fan is installed at an outlet of the gas return pipe, the top of the upper box body is provided with three groups of installation holes, the fan is installed in the installation holes, and the heating assembly is installed in the gas outlet cavity and located at the bottom of the fan.

2. The oven of the film stretcher according to claim 1, characterized in that: the number of the air return pipes is two, and the two air return pipes are respectively arranged on the left side and the right side of the upper box body and the lower box body.

3. The oven of the film stretcher according to claim 1, characterized in that: three sets of fans are installed at equal intervals in the upper box body.

4. The oven of the film stretcher according to claim 1, characterized in that: the air outlet holes are distributed on the upper protection plate in a matrix manner.

5. The oven of the film stretcher according to claim 1, characterized in that: the air return holes are distributed on the lower protection plate in a matrix manner.

6. The oven of the film stretcher according to claim 1, characterized in that: the heating assembly comprises a plurality of ceramic arc-shaped radiators, and the ceramic arc-shaped radiators are arranged in the air outlet cavity at equal intervals.

7. The oven of the film stretcher according to claim 1, characterized in that: one side of the upper box body is hinged to the lower box body, and the other side of the upper box body is clamped on the lower box body.

8. The oven of the film stretcher according to claim 7, characterized in that: and the lower box body is provided with a supporting rod for supporting the upper box body to be opened.

9. Oven of a film stretcher according to any of claims 1 to 8, characterized in that: the top of lower box is equipped with the recess downwards, go up the bottom embedding of box in the recess.

10. Oven of a film stretcher according to any of claims 1 to 8, characterized in that: the upper box body is provided with a handle.