Plane preheating mechanism for hot pressing of aluminum alloy cellular board

Abstract

The utility model relates to the technical field of aluminum alloy honeycomb plate hot pressing, and particularly discloses a plane preheating mechanism for aluminum alloy honeycomb plate hot pressing, which comprises a device base, a lower preheating plate is fixed on the upper surface of the device base, and a preheating assembly for preheating plates is arranged on the right side of the lower preheating plate. An adjusting assembly used for adjusting is arranged above the preheating assembly. The preheating assembly comprises a heating piece, the heating piece communicates with the right side of the lower preheating plate through a pipeline, and the right side of the heating piece communicates with a conveying pump. Through the arranged preheating assembly, an upper preheating plate and a lower preheating plate can be heated, under cooperation of a backflow pipe, heating liquid can enter a liquid storage box again and then be recycled, and through heat conduction pieces in the upper preheating plate and the lower preheating plate, the heat conduction effect can be improved; and the upper preheating plate and the lower preheating plate can better preheat the plate, and the subsequent hot pressing effect of the plate is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum alloy honeycomb panel hot pressing technical field especially is related to a kind of plane preheating mechanism for aluminum alloy honeycomb panel hot pressing. BACKGROUND

[0002] Before aluminum alloy honeycomb panel hot pressing forming, plane preheating mechanism is mainly used to heat uniformly to plate, so that it reaches the temperature suitable for hot pressing.Preheating can ensure the high thermal conductivity between aluminum skin and honeycomb core material, so that the thermal expansion and contraction of inner and outer aluminum skin are kept in synchronization, thereby guaranteeing the flatness and strength of plate after hot pressing forming.Plane preheating mechanism usually uses electric heating tube, heat conducting oil or other efficient heating elements to heat plate by heat conduction or heat convection.Heating elements are evenly distributed to ensure that plate is heated evenly, avoiding deformation or quality problems caused by local overheating or overcooling.

[0003] The existing honeycomb panel forming mode is formed by hot press or vacuum cold pressing, and the two modes can only form honeycomb flat plate, and honeycomb arc plate and wave plate cannot form curved surface, which is not convenient for the production of honeycomb arc plate and wave plate, and the forming efficiency is low.

[0004] The existing patent (publication number: CN211616939U) discloses a wave honeycomb panel forming processing structure, which comprises an upper die and a lower die, a honeycomb panel body is arranged between the upper die and the lower die, and the shape of the honeycomb panel body is wave-shaped.It makes the surface coating and waterproof AB glue solidify by hot press or vacuum cold pressing, and makes the honeycomb panel body into honeycomb arc plate or wave plate, and changes the shape of the honeycomb panel body by changing the shape of the opposite surface of the upper die and the lower die, which is convenient for the forming of wave honeycomb panel.

[0005] For the above problems, the existing patent provides a scheme which can change the shape of the honeycomb panel body by changing the shape of the opposite surface of the upper die and the lower die, which is convenient for the forming of wave honeycomb panel, but it cannot preheat plate during use, which leads to uneven heating of plate during hot pressing, thereby reducing the hot pressing effect of plate and causing poor practicability. SUMMARY

[0006] The utility model aims at providing a kind of plane preheating mechanism for aluminum alloy honeycomb panel hot pressing, can heat upper preheating plate and lower preheating plate, under the cooperation of reflux pipe, heating liquid can be re-entered into liquid tank, and then be recycled, by the heat conduction sheet in the upper preheating plate and lower preheating plate, the heat conduction effect can be improved, so that the upper preheating plate and lower preheating plate can better preheat plate, guarantee the hot pressing effect of plate subsequently, to solve the problems raised in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: A kind of flat preheating mechanism for aluminum alloy honeycomb board hot pressing, including device base, the upper surface of the device base is fixed with lower preheating plate, the right side of the lower preheating plate is equipped with preheating component for preheating plate, the upper side of the preheating component is equipped with adjusting assembly for adjusting;

[0008] The preheating component includes a heating element, the heating element is connected to the right side of the lower preheating plate through a pipeline, a delivery pump is connected to the right side of the heating element, a liquid storage tank is fixed to the lower surface of the delivery pump by screws, the delivery pump is connected to the liquid storage tank through a pipeline, a mounting plate is installed on the upper surface of the heating element, a plurality of heating tubes are fixed to the lower end of the mounting plate, and a heat preservation inner plate is fixed to the inner wall of the liquid storage tank.

[0009] Preferably, one side of the lower preheating plate is connected to a connecting pipe, and the end of the connecting pipe is connected to an upper preheating plate arranged above the lower preheating plate.

[0010] Preferably, the right side of the upper preheating plate is connected to a return pipe that is in communication with the liquid storage tank.

[0011] Preferably, a plurality of heat-conducting fins are fixed inside the upper preheating plate and the lower preheating plate, and a fixing screw is threadedly connected to the heating element on the upper surface of the mounting plate.

[0012] Preferably, a support leg is fixed to the lower end of the device base, and a water inlet is formed in the upper end of the liquid storage tank.

[0013] Preferably, the adjusting assembly includes a fixed plate, the fixed plate is fixed to the upper surface of the upper preheating plate, and two groups of guide rods that penetrate the inside of the device base are fixed to the lower end of the fixed plate.

[0014] Preferably, a limiting block is fixed to the lower surface of the guide rod, and an adjusting electric cylinder is fixed to the inner wall of the support leg.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. The preheating component can heat the upper preheating plate and the lower preheating plate, and the heating liquid can re-enter the liquid storage tank for recycling through the cooperation of the return pipe. The heat-conducting fins inside the upper preheating plate and the lower preheating plate can improve the heat-conducting effect, so that the upper preheating plate and the lower preheating plate can better preheat the plate, ensuring the subsequent hot pressing effect of the plate.

[0017] 2. The adjusting electric cylinder of the adjusting assembly can drive the fixed plate to move vertically, thereby driving the upper preheating plate to move closer to the lower preheating plate and compressing the two sides of the plate, facilitating the preheating of plates of different thicknesses. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0019] Figure 1 It is the overall structure view of the present application;

[0020] Figure 2 It is the three-dimensional structure schematic diagram of the lower preheating plate of the present application;

[0021] Figure 3 It is the half-section structure schematic diagram of the lower preheating plate of the present application;

[0022] Figure 4 It is the half-section structure schematic diagram of the liquid storage tank of the present application.

[0023] Explanation of reference signs:

[0024] 1, device base; 2, lower preheating plate; 3, heating part; 31, conveying pump; 32, liquid storage tank; 33, mounting plate; 34, heating pipe; 35, connecting pipe; 36, upper preheating plate; 37, return pipe; 38, heat conduction sheet; 39, fixing screw; 4, supporting leg; 5, water inlet; 6, fixing plate; 61, guide rod; 62, limit block; 63, adjusting electric cylinder; 7, heat preservation inner plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0026] The present application provides a technical solution:

[0027] Please refer to Figures 1 to 4 A plane preheating mechanism for hot pressing of aluminum alloy honeycomb plate, comprising a device base 1, a lower preheating plate 2 is fixed on the upper surface of the device base 1, a preheating assembly for preheating the plate is arranged on the right side of the lower preheating plate 2, and an adjusting assembly for adjusting is arranged above the preheating assembly.

[0028] The preheating assembly comprises a heating element 3 which is communicated with the right side of the lower preheating plate 2 through a pipeline, the right side of the heating element 3 is communicated with a delivery pump 31, the lower surface of the delivery pump 31 is fixed with a liquid storage tank 32 through a screw, the delivery pump 31 and the liquid storage tank 32 form a communication structure through a pipeline, the upper surface of the heating element 3 is provided with a mounting plate 33, the lower end of the mounting plate 33 is fixed with a plurality of heating pipes 34, the inner wall of the liquid storage tank 32 is fixed with a heat preservation inner plate 7, one side of the lower preheating plate 2 is communicated with a connecting pipe 35, the tail end of the connecting pipe 35 is communicated with an upper preheating plate 36 which is arranged above the lower preheating plate 2, the right side of the upper preheating plate 36 is communicated with a return pipe 37 which is communicated with the liquid storage tank 32, the interiors of the upper preheating plate 36 and the lower preheating plate 2 are both fixed with a plurality of heat conduction fins 38, the upper surface of the mounting plate 33 is provided with a fixing screw 39 which is screwed with the heating element 3, the lower end of the device base 1 is fixed with a supporting leg 4, and the upper end of the liquid storage tank 32 is provided with a water inlet 5.

[0029] Through the above technical scheme, before using the flat preheating mechanism for hot pressing of the aluminum alloy honeycomb plate, the device base 1 is first placed in a suitable position, the stability of the mechanism can be improved through the supporting leg 4 arranged on the device base 1, then the plate to be processed is placed on the lower preheating plate 2, the heating liquid is added to the liquid storage tank 32 through the water inlet 5, at this time, the delivery pump 31 on the liquid storage tank 32 is started to pump out the heating liquid in the liquid storage tank 32, and then the heating liquid is sent to the interior of the heating element 3, the heating pipes 34 arranged therein heat the heating liquid, the heated heating liquid enters the interior of the lower preheating plate 2, through the continuously delivered heating liquid, the heating liquid can enter the upper preheating plate 36 under the cooperation of the connecting pipe 35, and then the upper preheating plate 36 and the lower preheating plate 2 are heated, under the cooperation of the return pipe 37, the heating liquid can re-enter the liquid storage tank 32, and then is used in circulation, the heat preservation inner plate 7 on the inner wall of the liquid storage tank 32 can preserve the heating liquid, which is conducive to the circulation and heating use, the heat conduction fins 38 in the interiors of the upper preheating plate 36 and the lower preheating plate 2 can improve the heat conduction effect, so that the upper preheating plate 36 and the lower preheating plate 2 can better preheat the plate, and the subsequent hot pressing effect of the plate is ensured, and the heating pipes 34 can be disassembled by unscrewing the fixing screw 39 on the mounting plate 33, which is convenient for maintenance.

[0030] Specifically, as shown in Figure 1 , Figure 2 and Figure 3 , the adjusting assembly comprises a fixed plate 6 which is fixed on the upper surface of the upper preheating plate 36, the lower end of the fixed plate 6 is fixed with two groups of guide rods 61 which penetrate the interior of the device base 1, the lower surface of the guide rod 61 is fixed with a limiting block 62, and the inner wall of the supporting leg 4 is fixed with an adjusting electric cylinder 63.

[0031] By adopting the technical scheme, the adjusting electric cylinder 63 is arranged to drive the fixed plate 6 to move vertically, thereby driving the upper preheating plate 36 to move close to the lower preheating plate 2, and the two sides of the plate are pressed tightly, and the guide rod 61 arranged on the fixed plate 6 can play a guiding role, and the limiting block 62 can play a limiting role, so that the fixed plate 6 is prevented from being reset too much, and the plate with different thicknesses can be preheated conveniently.

[0032] Working principle: the plate to be processed is placed on the lower preheating plate 2, the adjusting electric cylinder 63 is arranged to drive the fixed plate 6 to move vertically, thereby driving the upper preheating plate 36 to move close to the lower preheating plate 2, and the two sides of the plate are pressed tightly, and the guide rod 61 arranged on the fixed plate 6 can play a guiding role, the heating liquid is added to the liquid storage tank 32 through the water inlet 5, at this time, the delivery pump 31 on the liquid storage tank 32 draws the heating liquid out and sends it to the inside of the heating piece 3, the heating pipe 34 is arranged to heat the heating liquid, the heated heating liquid enters the inside of the lower preheating plate 2, the heating liquid can enter the inside of the upper preheating plate 36 through the continuously delivered heating liquid and the cooperation of the connecting pipe 35, thereby heating the upper preheating plate 36 and the lower preheating plate 2, the heating liquid can enter the inside of the liquid storage tank 32 again through the cooperation of the reflux pipe 37, thereby being used circularly, and the heat preservation inner plate 7 on the inner wall of the liquid storage tank 32 can heat preserve the heating liquid, thereby being conducive to the circular heating use, the heat conduction fins 38 in the inside of the upper preheating plate 36 and the lower preheating plate 2 can better preheat the plate, thereby guaranteeing the hot pressing effect of the plate, and the heating pipe 34 can be disassembled by unscrewing the fixing screw 39 on the mounting plate 33.

[0033] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A planar preheating mechanism for hot pressing aluminum alloy honeycomb panels, comprising a device base (1), characterized in that: The upper surface of the device base (1) is fixed with a lower preheating plate (2), and a preheating component for preheating the plate is provided on the right side of the lower preheating plate (2). An adjustment component for adjustment is provided above the preheating component. The preheating assembly includes a heating element (3), which is connected to the right side of the lower preheating plate (2) via a pipe. A delivery pump (31) is connected to the right side of the heating element (3). A liquid storage tank (32) is fixed to the lower surface of the delivery pump (31) by screws. The delivery pump (31) and the liquid storage tank (32) are connected by a pipe. An mounting plate (33) is installed on the upper surface of the heating element (3). Several heating tubes (34) are fixed to the lower end of the mounting plate (33). An insulation inner plate (7) is fixed to the inner wall of the liquid storage tank (32).

2. The planar preheating mechanism for hot pressing of aluminum alloy honeycomb panels according to claim 1, characterized in that: One side of the lower preheating plate (2) is connected to a connecting pipe (35), and the end of the connecting pipe (35) is connected to an upper preheating plate (36) located above the lower preheating plate (2).

3. The planar preheating mechanism for hot pressing of aluminum alloy honeycomb panels according to claim 2, characterized in that: The right side of the upper preheating plate (36) is connected to a return pipe (37) that is connected to the liquid storage tank (32).

4. The planar preheating mechanism for hot pressing of aluminum alloy honeycomb panels according to claim 3, characterized in that: The upper preheating plate (36) and the lower preheating plate (2) are each fixed with a number of heat-conducting plates (38), and the upper surface of the mounting plate (33) is fitted with fixing screws (39) that are threadedly connected to the heating element (3).

5. The planar preheating mechanism for hot pressing of aluminum alloy honeycomb panels according to claim 1, characterized in that: The lower end of the device base (1) is fixed with a support leg (4), and the upper end of the liquid storage tank (32) is provided with a water inlet (5).

6. The planar preheating mechanism for hot pressing of aluminum alloy honeycomb panels according to claim 5, characterized in that: The adjustment assembly includes a fixing plate (6), which is fixed on the upper surface of the upper preheating plate (36). Two sets of guide rods (61) that penetrate the interior of the device base (1) are symmetrically fixed at the lower end of the fixing plate (6).

7. The planar preheating mechanism for hot pressing of aluminum alloy honeycomb panels according to claim 6, characterized in that: A limit block (62) is fixed to the lower surface of the guide rod (61), and an adjusting electric cylinder (63) is fixed to the inner wall of the support leg (4).

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