阅读说明：本技术 一种发动机隔热垫用可分区加热模具及加工方法 (Divisible heating mold for engine heat insulation pad and processing method ) 是由 *** 刘晨 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种发动机隔热垫用可分区加热模具及加工方法,包括上模组件、下模组件,上模组件、下模组件均设有与产品轮廓相匹配的模仁面,上模组件、下模组件均包含多个相对设置的加热区,上模组件的加热区包括上模加热区一、上模加热区二、上模加热区三、上模加热区四、上模加热区五、上模加热区六、上模加热区七及上模加热区八,下模组件的加热区包括下模加热区一、下模加热区二、下模加热区三、下模加热区四、下模加热区五、下模加热区六、下模加热区七及下模加热区八,所有加热区内均设有若干加热块,加热块的加热面贴合于上模组件、下模组件。本发明能够对模具进行分区加热,避免了现有技术中出现的因加热不均匀,成型质量差的技术问题。(The invention discloses a heating die capable of being distinguished for an engine heat insulation pad and a processing method, the heating die comprises an upper die component and a lower die component, wherein the upper die component and the lower die component are respectively provided with a die core surface matched with the outline of a product, the upper die component and the lower die component respectively comprise a plurality of heating areas which are arranged oppositely, the heating area of the upper die component comprises an upper die heating area I, an upper die heating area II, an upper die heating area III, an upper die heating area IV, an upper die heating area V, an upper die heating area VI, an upper die heating area VII and an upper die heating area VIII, the heating area of the lower die component comprises a lower die heating area I, a lower die heating area II, a lower die heating area III, a lower die heating area IV, a lower die heating area VI, a lower die heating. The invention can heat the mould in a subarea way, and avoids the technical problems of uneven heating and poor molding quality in the prior art.)

1. The utility model provides an engine heat insulating mattress is with heated mould of can distinguishing, includes last mould subassembly (1), lower mould subassembly (2), go up mould subassembly (1), lower mould subassembly (2) all be equipped with product profile assorted mould benevolence face, its characterized in that:

go up mould subassembly (1), lower mould subassembly (2) all contain the zone of heating of a plurality of relative settings, the zone of heating of going up mould subassembly (1) includes last mould zone of heating (101), go up mould zone of heating two (102), go up mould zone of heating three (103), go up mould zone of heating four (104), go up mould zone of heating five (105), go up mould zone of heating six (106), go up mould zone of heating seven (107) and go up mould zone of heating eight (108), the zone of heating of lower mould subassembly (2) includes lower mould zone of heating (201), lower mould zone of heating two (202), lower mould zone of heating three (203), lower mould zone of heating four (204), lower mould zone of heating five (205), lower mould zone of heating six (206), lower mould zone of heating seven (207) and lower mould zone of heating eight (208), all be equipped with a plurality of heating blocks (4) in, A lower die assembly (2).

2. The split-zone heating mold for the engine heat insulating mat as set forth in claim 1, wherein: go up mould subassembly (1), lower mould subassembly (2) product connection face the back be equipped with baffle (11) that a plurality of vertical intersections set up, be equipped with cavity (12) between baffle (11), heating block (4) set up in the inside of cavity (12).

3. The split-zone heating mold for the engine heat insulating mat according to claim 1 or 2, wherein: the number of the heating blocks (4) is four.

4. The split-zone heating mold for the engine heat insulating mat as set forth in claim 1, wherein: the lateral parts of the upper die assembly (1) and the lower die assembly (2) are also provided with aviation plugs (5), and the aviation plugs (5) are electrically connected to the heating block (4).

5. The split-zone heating mold for the engine heat insulating mat as set forth in claim 1, wherein: lower module (2) four corners is equipped with direction stop device, direction stop device includes end spacing piece (22) of perpendicular deflector (21), the level setting of vertical setting, it has two to erect deflector (21), and two are erected deflector (21) and are set up perpendicularly.

6. The split-zone heating mold for the engine heat insulating mat as set forth in claim 5, wherein: the guiding and limiting device further comprises an edge lock (23).

7. The split-zone heating mold for the engine heat insulating mat as set forth in claim 2, wherein: the upper edge of the cavity (12) is also provided with a detachable cover plate (6).

8. The split-zone heating mold for the engine heat insulating mat as set forth in claim 1, wherein: and the side parts of the upper die assembly (1) and the lower die assembly (2) are respectively provided with a heat-insulating heating pipe.

9. The method for processing the split-zone heating mold for the engine heat insulation pad according to claim 1, wherein:

when the mold is in a mold closing state, the set temperatures of the upper mold heating area I (101), the upper mold heating area II (102), the upper mold heating area III (103), the upper mold heating area IV (104), the upper mold heating area V (105), the upper mold heating area VI (106), the upper mold heating area VII (107) and the upper mold heating area VIII (108) are respectively as follows: 145 ℃, 150 ℃, 160 ℃, 140 ℃, 165 ℃, 145 ℃, 160 ℃ and 155 ℃; the set temperatures of the first lower die heating zone (201), the second lower die heating zone (202), the third lower die heating zone (203), the fourth lower die heating zone (204), the fifth lower die heating zone (205), the sixth lower die heating zone (206), the seventh lower die heating zone (207) and the eighth lower die heating zone (208) are respectively: 165 ℃, 160 ℃, 185 ℃, 175 ℃, 180 ℃, 150 ℃, 180 ℃ and 170 ℃, and the temperature setting tolerance of all heating zones is +20 ℃ and-20 ℃.

10. The method of claim 9, wherein the method comprises the steps of: the heating forming time is as follows: 200-.

Technical Field

The invention relates to the technical field of engine heat insulation pad molds, in particular to a divisible heating mold for an engine heat insulation pad and a processing method.

Background

The automobile engine heat insulation pad mainly comprises non-woven fabrics arranged on two sides, and cotton felts and cellucotton inside the non-woven fabrics. The processing mode is carried out by adopting a mode of hot-press molding of a die. Because the heat insulating pad belongs to irregular shape, and the outline of two sides needs to be attached to the shape in the engine compartment as much as possible, the wall thickness of the whole heat insulating pad is irregular, the heat insulating pad is formed by depending on the melting and resolidifying effects of the solid binder particles in the heat insulating pad, when the thickness of the heat insulating pad is uneven, different temperatures are loaded on the surface of the heat insulating pad according to irregular regions when the heat insulating pad is machined in order to ensure that the heat insulating pad can be evenly melted, and the purpose that different temperatures are set in the irregular regions as required cannot be achieved due to the fact that an integrated heating device is adopted in a mold in the prior art, the heat insulating pad is heated unevenly, the periphery of a product is layered or partially softened, and the forming.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a die capable of heating in a partitioned mode for an engine heat insulation pad and a processing method, and solves the technical problem that in the prior art, the heating is uneven due to irregular wall thickness and profile for the engine heat insulation pad.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the utility model provides an engine heat insulating mattress is with heated mould of can distinguishing, includes mould subassembly, lower mould subassembly, lower mould subassembly all are equipped with product profile assorted mould benevolence face, its characterized in that:

go up the mould subassembly, the zone of heating that the lower mould subassembly all contains a plurality of relative settings, the zone of heating of going up the mould subassembly includes the last zone of heating one, go up mould zone of heating two, go up mould zone of heating three, go up mould zone of heating four, go up mould zone of heating five, go up mould zone of heating six, go up mould zone of heating seven and go up mould zone of heating eight, the zone of heating of lower mould subassembly includes the lower mould zone of heating one, the lower mould zone of heating two, the lower mould zone of heating three, the lower mould zone of heating four, the lower mould zone of heating five, the lower mould zone of heating six, the lower mould zone of heating seven and the lower.

As a preferable aspect of the present invention, the above-mentioned divisible heating mold for an engine heat insulating mat is characterized in that: the back of the connecting surface of the upper die assembly and the lower die assembly is provided with a plurality of clapboards which are arranged in a vertical crossing manner, a cavity is arranged between the clapboards, and the heating block is arranged in the cavity.

As a preferable aspect of the present invention, the above-mentioned divisible heating mold for an engine heat insulating mat is characterized in that: there are four types of heating blocks.

As a preferable aspect of the present invention, the above-mentioned divisible heating mold for an engine heat insulating mat is characterized in that: the lateral parts of the upper die assembly and the lower die assembly are also provided with aviation plugs, and the aviation plugs are electrically connected to the heating block.

As a preferable aspect of the present invention, the above-mentioned divisible heating mold for an engine heat insulating mat is characterized in that: the lower die assembly is characterized in that guide limiting devices are arranged at four corners of the lower die assembly and comprise vertical guide plates which are vertically arranged and end limiting blocks which are horizontally arranged, the number of the vertical guide plates is two, and the two vertical guide plates are vertically arranged.

As a preferable aspect of the present invention, the above-mentioned divisible heating mold for an engine heat insulating mat is characterized in that: the guiding and limiting device further comprises an edge lock.

As a preferable aspect of the present invention, the above-mentioned divisible heating mold for an engine heat insulating mat is characterized in that: the upper edge of the cavity is also provided with a detachable cover plate.

As a preferable aspect of the present invention, the above-mentioned divisible heating mold for an engine heat insulating mat is characterized in that: and heat-insulating heating pipes are arranged on the side parts of the upper die assembly and the lower die assembly.

Based on the processing method of the divisible heating die for the engine heat insulation pad, the processing method is characterized by comprising the following steps of:

when the die is in a die closing state, the set temperatures of the upper die heating area I, the upper die heating area II, the upper die heating area III, the upper die heating area IV, the upper die heating area V, the upper die heating area VI, the upper die heating area seventh and the upper die heating area eighth are respectively as follows: 145 ℃, 150 ℃, 160 ℃, 140 ℃, 165 ℃, 145 ℃, 160 ℃ and 155 ℃; the set temperatures of the lower die heating zone I, the lower die heating zone II, the lower die heating zone III, the lower die heating zone IV, the lower die heating zone V, the lower die heating zone VI, the lower die heating zone VII and the lower die heating zone eight are respectively as follows: 165 ℃, 160 ℃, 185 ℃, 175 ℃, 180 ℃, 150 ℃, 180 ℃ and 170 ℃, and the temperature setting tolerance of all heating zones is +20 ℃ and-20 ℃.

As a preferable aspect of the present invention, the method for processing a split-zone heating mold for an engine heat insulating mat is characterized in that: the heating forming time is as follows: 200-.

The invention achieves the following beneficial effects:

compared with the prior art, the invention can control and heat the die in a partitioning manner, meets the processing temperature requirements of heat insulation pads with different thicknesses and profiles, and avoids the technical problems of uneven heating and poor molding quality in the prior art.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a schematic view of a heating zone profile of the upper die assembly of the present invention;

FIG. 3 is a heat zone profile of the lower die assembly of the present invention;

FIG. 4 is a top view of the upper die assembly of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 of the present invention;

the meaning of the reference numerals: 1-an upper die assembly; 2-a lower die assembly; 3-a heat insulation pad; 4-heating block; 101-upper die heating zone one; 102-upper die heating zone two; 103-upper die heating zone III; 104-upper die heating zone four; 105-upper die heating zone five; 106-upper die heating zone six; 107-upper die heating zone seven; 108-upper die heating zone eight; 201-lower die heating zone one; 202-lower die heating zone two; 203-lower die heating zone III; 204-lower die heating zone four; 205-lower die heating zone five; 206-lower die heating zone six; 207-lower die heating zone seven; 208-lower die heating zone eight; 4-heating the bin; 5-aviation plug; 11-a separator; 12-a cavity; 21-vertical guide plate; 22-end limiting block; 23-side locking; 6-cover plate.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 4: the embodiment discloses a divisible heating die for an engine heat insulation pad, which comprises an upper die component 1 and a lower die component 2, wherein the upper die component 1 and the lower die component 2 are respectively provided with a die core surface matched with the outline of a product, the upper die component 1 and the lower die component 2 respectively comprise a plurality of heating zones which are oppositely arranged, each heating zone is composed of heating blocks and is designed with different heating powers according to irregular shapes, each heating zone is provided with a thermocouple for respectively controlling the temperature of each zone, the heating zones of the upper die component 1 comprise an upper die heating zone I101, an upper die heating zone II 102, an upper die heating zone III 103, an upper die heating zone IV 104, an upper die heating zone V105, an upper die heating zone VI 106, an upper die heating zone VII 107 and an upper die heating zone VIII 108, the heating zones of the lower die component 2 comprise a lower die heating zone I201, a lower die heating zone six 206, a lower die heating zone seven 207, and a lower die heating zone eight 208. The relative arrangement of the heating zones described in this embodiment means that: the first upper die heating area 101 and the first lower die heating area 201 are arranged oppositely and have the same profile, and similarly, the rest upper heating areas and the lower die heating areas are also arranged oppositely and have the same profile.

In order to guarantee the stability of whole last mould subassembly 1, 2 temperatures of lower mould subassembly, avoid the temperature to run off to a certain extent, also can play the effect that heats mould intensification, preheat simultaneously, this embodiment is preferred all still to be equipped with the heat preservation heating pipe at last mould subassembly 1, lower mould subassembly 2 lateral part (lateral wall).

All be equipped with a plurality of heating blocks 4 in the zone of heating, the heating face of heating block 4 is not direct laminating in the product, but laminates in the opposite face of upper die assembly 1, lower die assembly 2 mould benevolence, can realize even diffusion through the mould benevolence with the heat that heating block 4 produced like this.

Specifically, with reference to fig. 1 and 4: the back of the product connecting surface of the upper die assembly 1 and the lower die assembly 2 in this embodiment is provided with a plurality of partitions 11 arranged perpendicularly and crosswise, a cavity 12 is arranged between the partitions 11, and the heating block 4 is arranged inside (at the bottom) the cavity 12. The cavity 12 makes the whole upper die assembly 1 and the whole lower die assembly 2 hollow and can also play the role of a reinforcing rib. It should be noted that: the boundary line between the respective heating zones in the upper and lower die assemblies 1 and 2 is not necessarily along the partition plate 11, and one cavity 12 may allow a plurality of heating zones. The upper edge of the cavity 12 is also provided with a detachable cover plate 6 for overhauling and installing the heating block 4.

In order to achieve uniform heating, there are four heating blocks 4 in this embodiment, and the four heating blocks 4 are different in size, so that the uniform heating of the mold core can be ensured by the four heating blocks 4. The specifications of the four heating blocks in this embodiment are:

a first heating block: size: 150 x 50 x 18 mm; power: 350W;

and a second heating block: size: 100 x 50 x 18 mm; power: 200W;

a third heating block: size: 210 x 100 x 18 mm; power: 600W;

and a fourth heating block: size: 260 x 100 x 18; power: 700W;

moreover, a plurality of thermocouples are arranged in each heating subarea and used for detecting and feeding back the current temperature in real time, so that the temperature of each heating subarea can be accurately controlled; the thermocouple is located at a suitable distance from the heating block, not too close or too far, so as to be able to truly reflect the actual application temperature of the mold to the workpiece. The lateral parts of the upper die assembly 1 and the lower die assembly 2 are also provided with aviation plugs 5, the aviation plugs 5 are electrically connected to the heating blocks 4, and wires of all the heating blocks 4 are connected to the power supply module through the aviation plugs 5.

In order to ensure that the upper die assembly 1 and the lower die assembly 2 can be accurately attached to the whole heat insulation pad 3, the accurate matching of the upper die assembly 1 and the lower die assembly 2 is more critical. In view of this, the lower mold component 2 of the present embodiment is provided with guiding and limiting devices at four corners. With reference to fig. 1 and 5: the guide limiting device comprises vertical guide plates 21 which are vertically arranged and end limiting blocks 22 which are horizontally arranged, the number of the vertical guide plates 21 is two, and the two vertical guide plates 21 are vertically arranged. The two vertical guide plates 21 respectively limit the transverse and longitudinal and transverse accuracy of the upper die assembly 1 and the lower die assembly 2, and the end limiting block 22 is used for limiting the distance between the binding surfaces of the upper die assembly 1 and the lower die assembly 2, namely, the thickness of the heat insulation pad 3 is ensured.

The guide and stop means of this embodiment preferably also includes an edge lock 23.

The embodiment also discloses a processing method adopting the divisionally heating die, which specifically comprises the following steps:

and placing the configured materials to be processed (including two layers of non-woven fabrics, and cotton felts and fiber cotton arranged inside the two layers of non-woven fabrics) on the die core surface of the lower die assembly 2, and then closing the die. When the mold is in a closed state, the set temperatures of the upper mold heating area I101, the upper mold heating area II 102, the upper mold heating area III 103, the upper mold heating area IV 104, the upper mold heating area V105, the upper mold heating area VI 106, the upper mold heating area VII 107 and the upper mold heating area VIII 108 are respectively as follows: 145 ℃, 150 ℃, 160 ℃, 140 ℃, 165 ℃, 145 ℃, 160 ℃ and 155 ℃; the set temperatures of the first lower die heating zone 201, the second lower die heating zone 202, the third lower die heating zone 203, the fourth lower die heating zone 204, the fifth lower die heating zone 205, the sixth lower die heating zone 206, the seventh lower die heating zone 207 and the eighth lower die heating zone 208 are respectively as follows: 165 ℃, 160 ℃, 185 ℃, 175 ℃, 180 ℃, 150 ℃, 180 ℃ and 170 ℃, and the temperature setting tolerance of all heating zones is +20 ℃ and-20 ℃. After a preset heating forming time T, the mold is opened, and the preferred range of the heating forming time T in this embodiment is: 200-.

Compared with the prior art, the embodiment can carry out the subregion heating to the mould, satisfies different thickness, profile heat insulating mattress's processing demand, has avoided appearing among the prior art because of the heating is inhomogeneous, the product layering, the poor technical problem of shaping quality.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.