阅读说明：本技术 一种合金手模生产工艺 (Alloy hand die production process ) 是由 廖冬华 陈煜� 姚帮德 于 2021-01-21 设计创作，主要内容包括：本发明公开了一种合金手模生产工艺,包括如下步骤：S1、成型手套模具的空心的手掌内部结构；S2、成型手套模具的手掌外部结构；S3、将手套模具的空心的手掌内部结构熔化流出；S4、手掌外部结构去毛刺；S5、成型铝合金或者镁合金尾部；S6、铝合金或者镁合金尾部与空心的铝合金或镁合金的手掌焊接成型；通过采用铝合金或者镁合金材质,其导热效果是陶瓷的四倍,加温时间与散热时间,与陶瓷手套模具相比,能提升220％以上,极大地提高了效益,极大地节省了能源,铝合金或者镁合金手套模具薄壁且均匀,0.8-1.3mm的厚度,重量500克以内,使模具表面热量分布极为均匀,从而提升手套品质,且重量轻,只有现有陶瓷模具重量的三分之一左右,铝合金耐腐蚀。(The invention discloses an alloy hand die production process, which comprises the following steps: s1, forming a hollow palm internal structure of the glove mold; s2, forming a palm outer structure of the glove mold; s3, melting and flowing out the hollow palm internal structure of the glove mold; s4, deburring the external structure of the palm; s5, forming an aluminum alloy or magnesium alloy tail; s6, welding the tail part of the aluminum alloy or the magnesium alloy with the palm of the hollow aluminum alloy or the hollow magnesium alloy for forming; by adopting the aluminum alloy or magnesium alloy material, the heat conduction effect is four times of that of ceramic, the heating time and the heat dissipation time can be improved by more than 220% compared with the ceramic glove mold, the benefit is greatly improved, the energy is greatly saved, the aluminum alloy or magnesium alloy glove mold is thin and uniform, the thickness is 0.8-1.3mm, the weight is within 500 g, the heat distribution on the surface of the mold is extremely uniform, the glove quality is improved, the weight is light, only about one third of the weight of the existing ceramic mold, and the aluminum alloy is corrosion-resistant.)

1. The production process of the alloy hand die is characterized by comprising the following steps: the method comprises the following steps:

s1, forming the hollow palm internal structure of the glove mold: firstly, injecting a low-melting-point alloy solution into a mold for 20-30s at the temperature of 240-450 ℃, and obtaining the hollow palm inner structure (2) of the required glove mold through die casting or casting;

s2, forming a palm external structure of the glove mold: then, placing the hollow palm internal structure (2) obtained in the step (1) in an aluminum alloy or magnesium alloy die-casting die, injecting an aluminum alloy solution into an aluminum alloy die, or injecting a magnesium alloy solution into a magnesium alloy die-casting die, and die-casting for 20-40s at the temperature of 650 plus 730 ℃, forming the palm external structure (1) of the glove die on the hollow palm internal structure (2), so as to obtain the required hollow palm structure of the glove die, wherein the hollow palm structure comprises a palm body or comprises a palm body and an extension part arranged on the palm body;

s3, melting and flowing out the hollow palm internal structure of the glove mold: then, the hollow palm structure of the glove mold obtained in the step 1-2 is sent into a furnace for baking, the hollow palm structure is clamped by high-temperature resistant materials in the furnace and is in a vertical state, wherein the baking temperature is 240-450 ℃, the baking time is 30-60 minutes, the hollow palm internal structure (2) of the glove mold is melted and flows out, and then the needed palm external structure (1) of the glove mold made of the aluminum alloy or magnesium alloy material with the hollow interior is obtained;

s4, deburring of the external structure of the palm: performing CNC (computer numerical control) machining on the palm outer structure (1) of the aluminum alloy or magnesium alloy glove mold obtained in the step (3) to remove burrs, wherein CNC on the end part ensures the flatness and the dimensional precision during welding, so as to obtain a hollow aluminum alloy or magnesium alloy palm structure;

s5, forming an aluminum alloy or magnesium alloy tail part: forming an aluminum alloy or magnesium alloy tail (4), removing burrs on the surface, and ensuring the flatness through CNC (computer numerical control) of the end part;

and S6, welding the tail part of the aluminum alloy or magnesium alloy and the palm structure of the hollow aluminum alloy or magnesium alloy for forming, and obtaining the required hollow aluminum alloy or magnesium alloy hand mould.

2. The alloy hand die production process according to claim 1, characterized in that: before the step S1, processing the positioning iron (3), wherein the positioning iron is cast firstly and then is processed and formed through CNC (computer numerical control), then the processed positioning iron (3) is placed in the mold of S1, and the hollow palm inner structure (2) of the forming glove mold is obtained through die-casting forming.

3. The alloy hand die production process according to claim 1, characterized in that: and S1 and S2 adopt different die-casting molds, the hollow palm inner structure (2) of the glove mold is processed and cooled to be formed, and then the palm outer structure (1) of the glove mold is processed and cooled to be formed.

4. The alloy hand die production process according to claim 1, characterized in that: the equipment required to be used in the deburring process is a machining center, milling cutters with different specifications are installed in a tool magazine in the machining center, and deburring work is carried out after a program is set, the rotating speed of the cutters and cutting feed.

5. The alloy hand die production process according to claim 1, characterized in that: the oven used in the step S3 is an industrial oven, the temperature value inside the industrial oven is obtained through an instrument and a temperature sensor, and after the temperature value is clamped and fixed by a high temperature resistant material, the temperature inside the oven is controlled to be at 240 ℃ and 450 ℃ through the operation of a control system.

6. The alloy hand die production process according to claim 1, characterized in that: the method further comprises the step of S7, polishing, surface treatment is carried out, the surface of the aluminum alloy or magnesium alloy hand die is roughly polished through rough abrasive paper, the tool marks of a machining center cutter are polished, and the surface polished through the fine abrasive paper is polished through the fine abrasive paper.

7. The alloy hand die production process according to claim 6, characterized in that: and S8, spraying Teflon on the surface, and spraying Teflon on the surface of the polished aluminum alloy or magnesium alloy hand die.

8. The alloy hand die production process according to claim 1, characterized in that: and the tail part (4) of the aluminum alloy or the magnesium alloy formed by the S5 is formed by die casting through a die casting machine.

9. The alloy hand die production process according to claim 1, characterized in that: the low melting point alloy is selected from any one of zinc alloy, tin alloy, lead alloy and lead-tin alloy.

10. The alloy hand die production process according to claim 1, characterized in that: in S3, the high-temperature resistant material is refractory brick, aluminum, iron or steel die.

Technical Field

The invention belongs to the technical field of glove mold processing, and particularly relates to an alloy hand mold production process.

Background

The disposable PVC and butyronitrile gloves are disposable gloves made of PVC and butyronitrile materials; the disposable PVC and butyronitrile gloves are high-molecular disposable plastic gloves, which are the products developed fastest in the protective glove industry; medical care personnel and food industry service personnel approve the product because the PVC and the butyronitrile gloves are comfortable to wear and flexible to use, do not contain any natural latex component and do not generate anaphylactic reaction; at present, disposable PVC and butyronitrile gloves are mostly produced by adopting ceramic glove molds, because the thickness of the ceramic is uniform, and the surface temperature is also uniform.

However, in order to improve the strength of the ceramic glove mold, the thickness of the ceramic glove mold is usually increased to 3mm, and the heat conducting property of the ceramic glove mold is poor, so that the ceramic glove mold is long in heating time and heat dissipation time; and the ceramic glove mold is high in hardness, but is fragile and not durable.

As shown in fig. 2-5, the existing aluminum alloy or magnesium alloy hand mold includes a hollow palm structure and a handle structure, and when the hollow palm structure is formed by die casting, the traditional process needs to arrange a slide block in the mold for filling, then inject an aluminum alloy solution into the aluminum alloy die-casting mold, or inject a magnesium alloy solution into the magnesium alloy die-casting mold, mold closing and die casting the palm structure, and then draw out the slide block, but as shown in fig. 3 and 4, the opening part of the hollow palm structure is small, the middle structure space of the hollow palm structure is large, after the slide block enters the middle structure of the palm structure, five fingers and the palm part are not parallel at the same angle, an inverted buckle is generated inside, the slide block of the die-casting mold cannot be demolded, therefore, the traditional one-time die casting of the hollow palm structure is difficult to complete;

in addition, the aluminum alloy or magnesium alloy hand mold is divided into two halves from the side surface to be respectively die-cast, then the two halves of die-cast parts are welded together to obtain the aluminum alloy hand mold.

Therefore, the invention develops an alloy hand die production process to solve the problems of poor heat-conducting property, low production efficiency and high production cost.

Disclosure of Invention

The invention aims to solve the defects that the ceramic glove mold in the prior art has poor heat conducting performance, so that the ceramic glove mold is long in heating time, long in heat dissipation time, fragile, not durable and the like.

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

an alloy hand die production process comprises the following steps:

s1, forming the hollow palm internal structure of the glove mold: firstly, injecting a low-melting-point alloy solution into a mold, and obtaining a hollow palm inner structure of the required glove mold by die casting or casting within the temperature of 240-450 ℃ for 20-30 s;

s2, forming a palm external structure of the glove mold: then, placing the hollow palm internal structure obtained in the step 1 in an aluminum alloy or magnesium alloy die-casting die, injecting an aluminum alloy solution into an aluminum alloy die, or injecting a magnesium alloy solution into a magnesium alloy die-casting die, and die-casting for 20-40s at 650 plus 730 ℃, forming a palm external structure of the glove die on the hollow palm internal structure, so as to obtain a hollow palm structure of the required glove die, wherein the hollow palm structure comprises a palm body or comprises a palm body and an extension part arranged on the palm body;

s3, melting and flowing out the hollow palm internal structure of the glove mold: then, the hollow palm structure of the glove mold obtained in the step 1-2 is sent into a furnace for baking, and is clamped by a high-temperature resistant material in the furnace and is in a vertical state, wherein the baking temperature is 240-450 ℃ and the baking time is 30-60 minutes, the hollow palm internal structure of the glove mold is melted and flows out, and then the needed palm external structure of the glove mold made of the aluminum alloy or magnesium alloy material with the hollow interior is obtained;

s4, deburring of the external structure of the palm: performing CNC machining on the palm outer structure of the aluminum alloy or magnesium alloy glove mold obtained in the step 3 to remove burrs, wherein CNC on the end part guarantees the flatness and the size precision during welding, and a hollow aluminum alloy or magnesium alloy palm structure is obtained;

s5, forming an aluminum alloy or magnesium alloy tail part: forming the tail part of the aluminum alloy or the magnesium alloy, removing burrs on the surface, and ensuring the flatness by CNC (computer numerical control) on the end part;

and S6, welding the tail part of the aluminum alloy or magnesium alloy and the palm structure of the hollow aluminum alloy or magnesium alloy for forming, and obtaining the required hollow aluminum alloy or magnesium alloy hand mould.

Preferably, before the step S1, the positioning iron is processed, the positioning iron is cast and then processed and molded by CNC, and then the processed positioning iron is placed in the mold of S1, and the hollow palm inner structure of the mold for forming the glove is obtained by die-casting.

Preferably, different die-casting molds are adopted in the steps S1 and S2, the hollow palm inner structure of the glove mold is processed and cooled to be formed, and then the palm outer structure of the glove mold is processed and cooled to be formed.

Preferably, the equipment required to be used in the deburring process is a machining center, milling cutters of different specifications are installed in a tool magazine in the machining center, and deburring work is performed after a program is set, the rotating speed of the cutters and cutting feed.

Preferably, the oven used in step S3 is an industrial oven, the temperature value inside the industrial oven is obtained through an instrument and a temperature sensor, and after being clamped and fixed by a high temperature resistant material, the temperature inside the oven is controlled to be at 240-450 ℃ through operation of a control system.

Preferably, the method further comprises the step S7 of polishing, performing surface treatment, roughly polishing the surface of the aluminum alloy or magnesium alloy hand mould through rough abrasive paper, polishing the tool mark of the tool of the machining center, and then polishing the surface polished by the fine abrasive paper through the fine abrasive paper.

Preferably, the method further comprises the step S8 of spraying Teflon on the surface of the polished aluminum alloy or magnesium alloy hand mould.

Preferably, the tail part of the aluminum alloy or magnesium alloy molded in S5 is die-cast by a die-casting machine.

Preferably, the low melting point alloy is selected from any one of zinc alloy, tin alloy, lead alloy and lead-tin alloy.

Preferably, in S3, the refractory material is refractory brick, aluminum, iron or steel mold.

The invention has the technical effects and advantages that:

1. superstrong heat conduction: the heat conduction effect of the glove is four times that of ceramic due to the adoption of aluminum alloy or magnesium alloy materials, the heating time and the heat dissipation time can be improved by more than 220% compared with a ceramic glove mold, the benefit is greatly improved, and the energy is greatly saved; the technical problem that the sliding block is difficult to draw out after the sliding block is used when the traditional hollow aluminum alloy or magnesium alloy hand die is used for die casting is solved; according to the process, the sliding block is not needed, the hollow palm inner structure of the glove mold is formed by die-casting, the palm outer structure of the glove mold is formed, the hollow palm inner structure of the glove mold is melted and flows out, the hollow palm inner structure is used for filling, the sliding block is replaced, the processing difficulty is greatly reduced, the processing efficiency of the aluminum alloy or magnesium alloy hand mold is improved, the aluminum alloy or magnesium alloy palm is integrally formed, the air tightness is good, the yield is high, the mass production of the aluminum alloy or magnesium alloy hand mold is realized, and the cost is greatly reduced.

2. The heat is uniform: the aluminum alloy or magnesium alloy hand mold is thin-walled and uniform, and the thickness of the aluminum alloy or magnesium alloy hand mold is 0.8-1.3mm, so that the heat distribution on the surface of the mold is extremely uniform, and the glove quality is improved;

3. the surface is polished and then sand-blasted, the roughness is uniform and can be adjusted at will, and the thickness adjustment requirement of the glove mold can be ensured in the processes of gluing and glue dripping;

4. the ultra-low thermal expansion coefficient of the special alloy can keep the Teflon on the surface in the optimal state for years, and the glove demoulding and the hand mould cleaning are easier than the ceramic;

5. the surface of the die cannot be corroded and damaged, the quality inspection and maintenance work can be greatly reduced, and the method is particularly suitable for automatic machinery and can greatly save labor;

6. the glove mold is durable, so that the investment comprehensive cost of the mold is lower, the glove mold has sufficient rigidity, and the Hv is more than 90 ℃; the salt spray test is passed for 360 hours, and the coating is extremely corrosion-resistant and durable;

7. the weight is light, only about one third of the weight of the existing ceramic mould, and the aluminum alloy or magnesium alloy hand mould material is corrosion resistant.

Drawings

FIG. 1 is a schematic view of the process flow structure of the present invention;

FIG. 2 is a schematic structural view of a hand model body according to the present invention;

FIG. 3 is a schematic diagram of the external structure of the palm of the hand of the present invention;

FIG. 4 is a schematic diagram of the hand model of the present invention in a disassembled state;

fig. 5 is a schematic view of the hand model in the present invention in a combined state.

FIG. 6 is a schematic view of another disassembled state of the hand model of the present invention;

fig. 7 is another combination status diagram of the hand model of the present invention.

In the figure: 1. a palm outer structure; 2. a hollow palm interior structure; 3. positioning iron; an aluminum or magnesium alloy tail 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, a process for producing an alloy hand mold comprises the following steps:

s1, forming the hollow palm internal structure of the glove mold: firstly, injecting a zinc alloy solution into a zinc alloy die-casting or casting mould at the temperature of 450 ℃ for 20s, and obtaining a hollow palm inner structure 2 of the required glove mould through die-casting or casting;

s2, forming a palm external structure of the glove mold: then, placing the hollow palm inner structure 2 obtained in the step 1 into an aluminum alloy die-casting die, injecting an aluminum alloy solution into an aluminum alloy die, and forming the palm outer structure 1 of the glove die on the hollow palm inner structure 2 at the temperature of 650 ℃ for 40s to obtain the required hollow palm structure of the glove die, wherein the hollow palm structure comprises a palm body; the melting point of the aluminum alloy is higher than that of zinc alloy, tin alloy, lead alloy and lead-tin alloy, and the aluminum alloy is further used as a metal material of the palm outer structure 1;

s3, melting and flowing out the hollow palm internal structure of the glove mold: then, the hollow palm structure of the glove mold obtained in the step 1-2 is sent into a furnace for baking, and is clamped by a high-temperature resistant material in the furnace and is in a vertical state, wherein the baking temperature is 450 ℃ and the baking time is 30 minutes, the hollow palm inner structure 2 of the glove mold is melted and flows out, and then the needed palm outer structure 1 of the glove mold made of the hollow aluminum alloy material is obtained;

s4, deburring of the external structure of the palm: performing CNC machining on the palm external structure 1 of the glove mold made of the aluminum alloy material obtained in the step 3 to remove burrs, wherein CNC on the end part ensures the flatness and the dimensional precision during welding, so as to obtain a hollow aluminum alloy palm structure;

s5, forming an aluminum alloy tail: forming an aluminum alloy tail 4, removing burrs on the surface, and ensuring the flatness through CNC (computer numerical control) of the end part;

and S6, welding the aluminum alloy tail part and the hollow aluminum alloy palm structure for forming to obtain the required hollow aluminum alloy hand mold.

Specifically, before the step S1 and before the step S1, the positioning iron 3 is processed, and the positioning iron is cast and then formed through CNC machining, and then the processed positioning iron 3 is placed in the zinc alloy die-casting mold of S1, and the hollow palm internal structure 2 of the forming glove mold is obtained through die-casting. The location iron is used for making things convenient for the feeding, shortens the stroke of feeding, guarantees the success rate, also can not process the location iron simultaneously, directly processes hollow palm inner structure 2 and palm outer structure 1, in actual production process, and the location iron can drop after processing the completion at every turn, and the location iron can carry out recycling according to actual conditions.

Specifically, different die-casting molds are used in the step S1 and the step S2, the hollow palm inner structure 2 of the glove mold is processed and cooled to be formed, then the palm outer structure 1 of the glove mold is processed and cooled to be formed, when the hollow palm inner structure 2 is processed, the zinc alloy material selected by the hollow palm inner structure 2 is melted by high temperature of 450 ℃ and flows into the die-casting mold inner cavity, and the hollow palm inner structure 2 is formed after cooling; and then melting the aluminum alloy material selected by the palm external structure 1 at the high temperature of 650 ℃, flowing into a die-casting die internal cavity, and cooling to form the palm external structure 1.

Specifically, the oven used in the step S3 is an industrial oven, the temperature value inside the industrial oven is obtained through an instrument and a temperature sensor, the temperature value is clamped and fixed by a high temperature resistant material and is in a vertical state, the temperature inside the oven is controlled at 450 ℃ through a control system, the time is 30 minutes, the high temperature resistant material can be a refractory brick, aluminum, iron or steel die, and the material of the hollow palm inner structure 2 is melted and flowed out, so that the hollow palm outer structure 1 of the aluminum alloy hand mold is obtained.

Specifically, the aluminum alloy finger mold is obtained by deburring in the step S4, after the hollow palm outer structure 1 obtained in the step S3 is taken out, because the hollow palm outer structure 1 is obtained by die casting, slag pockets and burrs are left on the outer surface, and thus burrs on the outer portion of the finger mold are machined and removed through CNC, equipment required in the deburring process is a machining center, milling cutters of different specifications are installed in a tool magazine in the machining center, and deburring work is performed after a program, the rotating speed of the cutters and cutting feed are set.

Specifically, still include S7, polish, surface treatment carries out thick polishing to the surface of aluminum alloy hand former through thick abrasive paper, polishes the tool mark of machining center cutter, and the surface of polishing to thick abrasive paper of rethread thin abrasive paper is polished again, and then accomplishes the surface finish worker to the aluminum alloy hand former.

Specifically, the method also comprises S8, wherein Teflon is sprayed on the surface of the aluminum alloy hand mold, the polished surface of the aluminum alloy hand mold is sprayed with Teflon, the Teflon can be continuously used at the high temperature of 260 ℃, the maximum using temperature is 300 ℃, the whole Teflon is polytetrafluoroethylene, the Teflon has excellent corrosion resistance, and can bear the effects of all strong acids (including aqua regia), strong oxidizing agents, reducing agents and various organic solvents except molten alkali metal, fluorinated media and sodium hydroxide with the temperature higher than 300 ℃; the dielectric ceramic has extremely strong insulation resistance, is not influenced by environment and frequency, has volume resistance of 1018 omega/cm, small dielectric loss and high breakdown voltage; the material has excellent high and low temperature resistance, little influence change on temperature, wide temperature range and outstanding surface non-adhesiveness, and the known solid materials can not be adhered on the surface and are solid materials with the minimum surface energy; good resistance to atmospheric aging, radiation and low permeability, and its surface properties remain unchanged after long-term exposure to the atmosphere.

Example 2

Referring to fig. 1-5, a process for producing an alloy hand mold comprises the following steps:

s1, forming the hollow palm internal structure of the glove mold: firstly, injecting a lead alloy solution into a lead alloy die-casting or casting mould at the temperature of 350 ℃ for 25s, and obtaining a hollow palm internal structure 2 of the required glove mould through die-casting or casting;

s2, forming a palm external structure of the glove mold: then, placing the hollow palm inner structure 2 obtained in the step 1 into an aluminum alloy die-casting die, injecting an aluminum alloy solution into an aluminum alloy die, and forming the palm outer structure 1 of the glove die on the hollow palm inner structure 2 at the temperature of 730 ℃ for 20s to obtain the required hollow palm structure of the glove die, wherein the hollow palm structure comprises a palm body; the melting point of the aluminum alloy is higher than that of zinc alloy, tin alloy, lead alloy and lead-tin alloy, and the aluminum alloy is further used as a metal material of the palm outer structure 1;

s3, melting and flowing out the hollow palm internal structure of the glove mold: then, the hollow palm structure of the glove mold obtained in the step 1-2 is sent into a furnace to be baked, and is clamped by a high-temperature resistant material in the furnace and is in a vertical state, wherein the baking temperature is 350 ℃ and the baking time is 45 minutes, the hollow palm inner structure 2 of the glove mold is melted and flows out, and then the needed palm outer structure 1 of the glove mold made of the hollow aluminum alloy material is obtained;

s4, deburring of the external structure of the palm: performing CNC machining on the palm external structure 1 of the glove mold made of the aluminum alloy material obtained in the step 3 to remove burrs, wherein CNC on the end part ensures the flatness and the dimensional precision during welding, so as to obtain a hollow aluminum alloy palm structure;

s5, forming an aluminum alloy tail: forming an aluminum alloy tail 4, removing burrs on the surface, and ensuring the flatness through CNC (computer numerical control) of the end part;

and S6, welding the aluminum alloy tail part and the hollow aluminum alloy palm structure for forming to obtain the required hollow aluminum alloy hand mold.

Specifically, before the step S1 and before the step S1, the positioning iron 3 is processed, and the positioning iron is cast and then formed through CNC machining, and then the processed positioning iron 3 is placed in the lead alloy die-casting mold of S1, and the hollow palm internal structure 2 of the forming glove mold is obtained through die-casting. The location iron is used for making things convenient for the feeding, shortens the stroke of feeding, guarantees the success rate, also can not process the location iron simultaneously, directly processes hollow palm inner structure 2 and palm outer structure 1, in actual production process, and the location iron can drop after processing the completion at every turn, and the location iron can carry out recycling according to actual conditions.

Specifically, different die-casting dies are used in the step S1 and the step S2, the hollow palm inner structure 2 of the glove die is processed and cooled to be formed, then the palm outer structure 1 of the glove die is processed and cooled to be formed, when the hollow palm inner structure 2 is processed, the lead alloy material selected by the hollow palm inner structure 2 is melted by 350 ℃ high temperature and flows into the die-casting die inner cavity, and the hollow palm inner structure 2 is formed after cooling; and then melting the aluminum alloy material selected by the palm external structure 1 at the high temperature of 650 ℃, flowing into a die-casting die internal cavity, and cooling to form the palm external structure 1.

Specifically, the oven used in step S3 is an industrial oven, the temperature value inside the industrial oven is obtained through an instrument and a temperature sensor, the temperature value is clamped and fixed by a high temperature resistant material and is in a vertical state, the temperature inside the oven is controlled at 350 ℃ through a control system, the time is 40 minutes, the high temperature resistant material can be a refractory brick, aluminum, iron or steel die, and the material of the hollow palm inner structure 2 is melted and flowed out, so that the hollow palm outer structure 1 of the aluminum alloy hand mold is obtained.

Specifically, the aluminum alloy finger mold is obtained by deburring in the step S4, after the hollow palm outer structure 1 obtained in the step S3 is taken out, because the hollow palm outer structure 1 is obtained by die casting, slag pockets and burrs are left on the outer surface, and thus burrs on the outer portion of the finger mold are machined and removed through CNC, equipment required in the deburring process is a machining center, milling cutters of different specifications are installed in a tool magazine in the machining center, and deburring work is performed after a program, the rotating speed of the cutters and cutting feed are set.

Specifically, still include S7, polish, surface treatment carries out thick polishing to the aluminum alloy hand former surface through thick abrasive paper, polishes the tool mark of machining center cutter, and the thin abrasive paper of rethread is polished the surface that thick abrasive paper was polished again, and then accomplishes the surface finish worker to the aluminum alloy hand former.

Specifically, the method also comprises S8, wherein Teflon is sprayed on the surface of the aluminum alloy hand mold, the polished surface of the aluminum alloy hand mold is sprayed with Teflon, the Teflon can be continuously used at the high temperature of 260 ℃, the maximum using temperature is 300 ℃, the whole Teflon is polytetrafluoroethylene, the Teflon has excellent corrosion resistance, and can bear the effects of all strong acids (including aqua regia), strong oxidizing agents, reducing agents and various organic solvents except molten alkali metal, fluorinated media and sodium hydroxide with the temperature higher than 300 ℃; the dielectric ceramic has extremely strong insulation resistance, is not influenced by environment and frequency, has volume resistance of 1018 omega/cm, small dielectric loss and high breakdown voltage; the material has excellent high and low temperature resistance, little influence change on temperature, wide temperature range and outstanding surface non-adhesiveness, and the known solid materials can not be adhered on the surface and are solid materials with the minimum surface energy; good resistance to atmospheric aging, radiation and low permeability, and its surface properties remain unchanged after long-term exposure to the atmosphere.

Example 3

Referring to fig. 1-5, a process for producing an alloy hand mold comprises the following steps:

s1, forming the hollow palm internal structure of the glove mold: firstly, injecting tin alloy into a tin alloy solution die-casting or casting mould, wherein the temperature is 240 ℃ and the time is 30s, and obtaining the hollow palm internal structure 2 of the required glove mould through die-casting or casting;

s2, forming a palm external structure of the glove mold: then, placing the hollow palm inner structure 2 obtained in the step 1 into an aluminum alloy die-casting die, injecting an aluminum alloy solution into an aluminum alloy die, and forming the palm outer structure 1 of the glove die on the hollow palm inner structure 2 at the temperature of 700 ℃ for 25s to obtain the required hollow palm structure of the glove die, wherein the hollow palm structure comprises a palm body; the melting point of the aluminum alloy is higher than that of zinc alloy, tin alloy, lead alloy and lead-tin alloy, and the aluminum alloy is further used as a metal material of the palm outer structure 1;

s3, melting and flowing out the hollow palm internal structure of the glove mold: then, the hollow palm structure of the glove mold obtained in the step 1-2 is sent into a furnace to be baked, and is clamped by a high-temperature resistant material in the furnace and is in a vertical state, wherein the baking temperature is 240 ℃ and the baking time is 60 minutes, the hollow palm inner structure 2 of the glove mold is melted and flows out, and then the needed palm outer structure 1 of the glove mold made of the hollow aluminum alloy material is obtained;

s4, deburring of the external structure of the palm: performing CNC machining on the palm external structure 1 of the glove mold made of the aluminum alloy material obtained in the step 3 to remove burrs, wherein CNC on the end part ensures the flatness and the dimensional precision during welding, so as to obtain a hollow aluminum alloy palm structure;

s5, forming an aluminum alloy tail: forming an aluminum alloy tail 4, removing burrs on the surface, and ensuring the flatness through CNC (computer numerical control) of the end part;

and S6, welding the aluminum alloy tail part and the hollow aluminum alloy palm structure for forming to obtain the required hollow aluminum alloy hand mold.

Specifically, before the step S1 and before the step S1, the positioning iron 3 is processed, and the positioning iron is cast and then formed through CNC machining, and then the processed positioning iron 3 is placed in the lead alloy die-casting mold of S1, and the hollow palm internal structure 2 of the forming glove mold is obtained through die-casting. The location iron is used for making things convenient for the feeding, shortens the stroke of feeding, guarantees the success rate, also can not process the location iron simultaneously, directly processes hollow palm inner structure 2 and palm outer structure 1, in actual production process, and the location iron can drop after processing the completion at every turn, and the location iron can carry out recycling according to actual conditions.

Specifically, different die-casting molds are used in the step S1 and the step S2, the hollow palm inner structure 2 of the glove mold is processed and cooled to be formed, then the palm outer structure 1 of the glove mold is processed and cooled to be formed, when the hollow palm inner structure 2 is processed, the tin alloy material selected by the hollow palm inner structure 2 is melted by high temperature of 240 ℃ and flows into the die-casting mold inner cavity, and the hollow palm inner structure 2 is formed after cooling; and then melting the aluminum alloy material selected by the palm external structure 1 at the high temperature of 700 ℃, flowing into a die cavity in a die-casting die, and cooling to form the palm external structure 1.

Specifically, the oven used in step S3 is an industrial oven, the temperature value inside the industrial oven is obtained through an instrument and a temperature sensor, the temperature value is clamped and fixed by a high temperature resistant material and is in a vertical state, the temperature inside the oven is controlled at 240 ℃ through a control system, the time is 60 minutes, the high temperature resistant material can be a refractory brick, aluminum, iron or steel die, and the material of the hollow palm inner structure 2 is melted and flowed out, so that the hollow palm outer structure 1 of the aluminum alloy hand mold is obtained.

Specifically, the aluminum alloy finger mold is obtained by deburring in the step S4, after the hollow palm outer structure 1 obtained in the step S3 is taken out, because the hollow palm outer structure 1 is obtained by die casting, slag pockets and burrs are left on the outer surface, and thus burrs on the outer portion of the finger mold are machined and removed through CNC, equipment required in the deburring process is a machining center, milling cutters of different specifications are installed in a tool magazine in the machining center, and deburring work is performed after a program, the rotating speed of the cutters and cutting feed are set.

Specifically, still include S7, polish, surface treatment carries out thick polishing to the surface of aluminum alloy hand former through thick abrasive paper, polishes the tool mark of machining center cutter, and the surface of polishing to thick abrasive paper of rethread thin abrasive paper is polished again, and then accomplishes the surface finish worker to the aluminum alloy hand former.

Specifically, the method also comprises S8, wherein Teflon is sprayed on the surface of the aluminum alloy hand mold, the polished surface of the aluminum alloy hand mold is sprayed with Teflon, the Teflon can be continuously used at the high temperature of 260 ℃, the maximum using temperature is 300 ℃, the whole Teflon is polytetrafluoroethylene, the Teflon has excellent corrosion resistance, and can bear the effects of all strong acids (including aqua regia), strong oxidizing agents, reducing agents and various organic solvents except molten alkali metal, fluorinated media and sodium hydroxide with the temperature higher than 300 ℃; the dielectric ceramic has extremely strong insulation resistance, is not influenced by environment and frequency, has volume resistance of 1018 omega/cm, small dielectric loss and high breakdown voltage; the material has excellent high and low temperature resistance, little influence change on temperature, wide temperature range and outstanding surface non-adhesiveness, and the known solid materials can not be adhered on the surface and are solid materials with the minimum surface energy; good resistance to atmospheric aging, radiation and low permeability, and its surface properties remain unchanged after long-term exposure to the atmosphere.

Example 4

Referring to fig. 1-5, a process for producing an alloy hand mold comprises the following steps:

s1, forming the hollow palm internal structure of the glove mold: firstly, injecting a lead-tin alloy solution into a lead-tin alloy die-casting or casting mould at the temperature of 280 ℃ for 27s, and obtaining the hollow palm internal structure 2 of the required glove mould through die-casting or casting;

s2, forming a palm external structure of the glove mold: then, placing the hollow palm inner structure 2 obtained in the step 1 into an aluminum alloy die-casting die, injecting an aluminum alloy solution into an aluminum alloy die, and forming the palm outer structure 1 of the glove die on the hollow palm inner structure 2 at the temperature of 710 ℃ for 22s to obtain the required hollow palm structure of the glove die, wherein the hollow palm structure comprises a palm body; the melting point of the aluminum alloy is higher than that of zinc alloy, tin alloy, lead alloy and lead-tin alloy, and the aluminum alloy is further used as a metal material of the palm outer structure 1;

s3, melting and flowing out the hollow palm internal structure of the glove mold: then, the hollow palm structure of the glove mold obtained in the step 1-2 is sent into a furnace to be baked, and is clamped by a high-temperature resistant material in the furnace and is in a vertical state, wherein the baking temperature is 350 ℃ and the baking time is 40 minutes, the hollow palm inner structure 2 of the glove mold is melted and flows out, and then the needed palm outer structure 1 of the glove mold made of the hollow aluminum alloy material is obtained;

s4, deburring of the external structure of the palm: performing CNC machining on the palm external structure 1 of the glove mold made of the aluminum alloy material obtained in the step 3 to remove burrs, wherein CNC on the end part ensures the flatness and the dimensional precision during welding, so as to obtain a hollow aluminum alloy palm structure;

s5, forming an aluminum alloy tail: forming an aluminum alloy tail 4, removing burrs on the surface, and ensuring the flatness through CNC (computer numerical control) of the end part;

and S6, welding the aluminum alloy tail part and the hollow aluminum alloy palm structure for forming to obtain the required hollow aluminum alloy hand mold.

Specifically, before the step S1 and before the step S1, the positioning iron 3 is processed, and the positioning iron is cast and then formed through CNC machining, and then the processed positioning iron 3 is placed in the lead alloy die-casting mold of S1, and the hollow palm internal structure 2 of the forming glove mold is obtained through die-casting. The location iron is used for making things convenient for the feeding, shortens the stroke of feeding, guarantees the success rate, also can not process the location iron simultaneously, directly processes hollow palm inner structure 2 and palm outer structure 1, in actual production process, and the location iron can drop after processing the completion at every turn, and the location iron can carry out recycling according to actual conditions.

Specifically, different die-casting dies are used in the step S1 and the step S2, the hollow palm inner structure 2 of the glove die is processed and cooled to be formed, then the palm outer structure 1 of the glove die is processed and cooled to be formed, when the hollow palm inner structure 2 is processed, the lead-tin alloy material selected by the hollow palm inner structure 2 is melted by high temperature of 280 ℃ and flows into a die-casting die inner cavity, and the hollow palm inner structure 2 is formed after cooling; and then melting the aluminum alloy material selected by the palm external structure 1 at 710 ℃, flowing into a die cavity in a die-casting die, and cooling to form the palm external structure 1.

Specifically, the oven used in step S3 is an industrial oven, the temperature value inside the industrial oven is obtained through an instrument and a temperature sensor, the temperature value is clamped and fixed by a high temperature resistant material and is in a vertical state, the temperature inside the oven is controlled at 350 ℃ through a control system, the time is 40 minutes, the high temperature resistant material can be a refractory brick, aluminum, iron or steel die, and the material of the hollow palm inner structure 2 is melted and flowed out, so that the hollow palm outer structure 1 of the aluminum alloy hand mold is obtained.

Specifically, the aluminum alloy finger mold is obtained by deburring in the step S4, after the hollow palm outer structure 1 obtained in the step S3 is taken out, because the hollow palm outer structure 1 is obtained by die casting, slag pockets and burrs are left on the outer surface, and thus burrs on the outer portion of the finger mold are machined and removed through CNC, equipment required in the deburring process is a machining center, milling cutters of different specifications are installed in a tool magazine in the machining center, and deburring work is performed after a program, the rotating speed of the cutters and cutting feed are set.

Specifically, still include S7, polish, surface treatment carries out thick polishing to the surface of aluminum alloy hand former through thick abrasive paper, polishes the tool mark of machining center cutter, and the surface of polishing to thick abrasive paper of rethread thin abrasive paper is polished again, and then accomplishes the surface finish worker to the aluminum alloy hand former.

Specifically, the method also comprises S8, wherein Teflon is sprayed on the surface of the aluminum alloy hand mold, the polished surface of the aluminum alloy hand mold is sprayed with Teflon, the Teflon can be continuously used at the high temperature of 260 ℃, the maximum using temperature is 300 ℃, the whole Teflon is polytetrafluoroethylene, the Teflon has excellent corrosion resistance, and can bear the effects of all strong acids (including aqua regia), strong oxidizing agents, reducing agents and various organic solvents except molten alkali metal, fluorinated media and sodium hydroxide with the temperature higher than 300 ℃; the dielectric ceramic has extremely strong insulation resistance, is not influenced by environment and frequency, has volume resistance of 1018 omega/cm, small dielectric loss and high breakdown voltage; the material has excellent high and low temperature resistance, little influence change on temperature, wide temperature range and outstanding surface non-adhesiveness, and the known solid materials can not be adhered on the surface and are solid materials with the minimum surface energy; good resistance to atmospheric aging, radiation and low permeability, and its surface properties remain unchanged after long-term exposure to the atmosphere.

Example 5

Referring to fig. 6-7, a process for manufacturing an alloy hand mold comprises the following steps:

s1, forming the hollow palm internal structure of the glove mold: firstly, injecting a zinc alloy solution into a zinc alloy die-casting or casting mould at the temperature of 450 ℃ for 20s, and obtaining a hollow palm inner structure 2 of the required glove mould through die-casting or casting;

s2, forming a palm external structure of the glove mold: then, placing the hollow palm inner structure 2 obtained in the step 1 into an aluminum alloy die-casting die, injecting an aluminum alloy solution into an aluminum alloy die, and forming a palm outer structure 1 of the glove die on the hollow palm inner structure 2 at the temperature of 710 ℃ for 22s to obtain a required hollow palm structure of the glove die, wherein the hollow palm structure comprises a palm body and an extension part arranged on the palm body; the melting point of the aluminum alloy is higher than that of zinc alloy, tin alloy, lead alloy and lead-tin alloy, and the aluminum alloy is further used as a metal material of the palm outer structure 1;

s3, melting and flowing out the hollow palm internal structure of the glove mold: then, the hollow palm structure of the glove mold obtained in the step 1-2 is sent into a furnace for baking, and is clamped by a high-temperature resistant material in the furnace and is in a vertical state, wherein the baking temperature is 450 ℃ and the baking time is 40 minutes, the hollow palm inner structure 2 of the glove mold is melted and flows out, and then the needed palm outer structure 1 of the glove mold made of the hollow aluminum alloy material is obtained;

s4, deburring of the external structure of the palm: performing CNC machining on the palm external structure 1 of the glove mold made of the aluminum alloy material obtained in the step 3 to remove burrs, wherein CNC on the end part ensures the flatness and the dimensional precision during welding, so as to obtain a hollow aluminum alloy palm structure;

s5, forming an aluminum alloy tail: forming an aluminum alloy tail 4, removing burrs on the surface, and ensuring the flatness through CNC (computer numerical control) of the end part;

and S6, welding the aluminum alloy tail part 4 and the hollow aluminum alloy palm structure for forming, and obtaining the required hollow aluminum alloy hand die.

Specifically, before the step S1 and before the step S1, the positioning iron 3 is processed, and the positioning iron is cast and then formed through CNC machining, and then the processed positioning iron 3 is placed in the lead alloy die-casting mold of S1, and the hollow palm internal structure 2 of the forming glove mold is obtained through die-casting. The location iron is used for making things convenient for the feeding, shortens the stroke of feeding, guarantees the success rate, also can not process the location iron simultaneously, directly processes hollow palm inner structure 2 and palm outer structure 1, in actual production process, and the location iron can drop after processing the completion at every turn, and the location iron can carry out recycling according to actual conditions.

Specifically, different die-casting dies are used in the step S1 and the step S2, the hollow palm inner structure 2 of the glove die is processed and cooled to be formed, then the palm outer structure 1 of the glove die is processed and cooled to be formed, when the hollow palm inner structure 2 is processed, the lead-tin alloy material selected by the hollow palm inner structure 2 is melted by high temperature of 280 ℃ and flows into a die-casting die inner cavity, and the hollow palm inner structure 2 is formed after cooling; and then melting the aluminum alloy material selected by the palm external structure 1 at 710 ℃, flowing into a die cavity in a die-casting die, and cooling to form the palm external structure 1.

Specifically, the oven used in step S3 is an industrial oven, the temperature value inside the industrial oven is obtained through an instrument and a temperature sensor, the temperature value is clamped and fixed by a high temperature resistant material and is in a vertical state, the temperature inside the oven is controlled at 350 ℃ through a control system, the time is 40 minutes, the high temperature resistant material can be a refractory brick, aluminum, iron or steel die, and the material of the hollow palm inner structure 2 is melted and flowed out, so that the hollow palm outer structure 1 of the aluminum alloy hand mold is obtained.

Specifically, the aluminum alloy finger mold is obtained by deburring in the step S4, after the hollow palm outer structure 1 obtained in the step S3 is taken out, because the hollow palm outer structure 1 is obtained by die casting, slag pockets and burrs are left on the outer surface, and thus burrs on the outer portion of the finger mold are machined and removed through CNC, equipment required in the deburring process is a machining center, milling cutters of different specifications are installed in a tool magazine in the machining center, and deburring work is performed after a program, the rotating speed of the cutters and cutting feed are set.

Specifically, still include S7, polish, surface treatment carries out thick polishing to the surface of aluminum alloy hand former through thick abrasive paper, polishes the tool mark of machining center cutter, and the surface of polishing to thick abrasive paper of rethread thin abrasive paper is polished again, and then accomplishes the surface finish worker to the aluminum alloy hand former.

Specifically, the method also comprises S8, wherein Teflon is sprayed on the surface of the aluminum alloy hand mold, the polished surface of the aluminum alloy hand mold is sprayed with Teflon, the Teflon can be continuously used at the high temperature of 260 ℃, the maximum using temperature is 300 ℃, the whole Teflon is polytetrafluoroethylene, the Teflon has excellent corrosion resistance, and can bear the effects of all strong acids (including aqua regia), strong oxidizing agents, reducing agents and various organic solvents except molten alkali metal, fluorinated media and sodium hydroxide with the temperature higher than 300 ℃; the dielectric ceramic has extremely strong insulation resistance, is not influenced by environment and frequency, has volume resistance of 1018 omega/cm, small dielectric loss and high breakdown voltage; the material has excellent high and low temperature resistance, little influence change on temperature, wide temperature range and outstanding surface non-adhesiveness, and the known solid materials can not be adhered on the surface and are solid materials with the minimum surface energy; good resistance to atmospheric aging, radiation and low permeability, and its surface properties remain unchanged after long-term exposure to the atmosphere.

Example 6

Referring to fig. 6-7, a process for manufacturing an alloy hand mold comprises the following steps:

s1, forming the hollow palm internal structure of the glove mold: firstly, injecting a lead alloy solution into a lead alloy die-casting or casting mould at the temperature of 350 ℃ for 25s, and obtaining a hollow palm internal structure 2 of the required glove mould through die-casting or casting;

s2, forming a palm external structure of the glove mold: then, placing the hollow palm inner structure 2 obtained in the step 1 into a magnesium alloy die-casting die, injecting a magnesium alloy solution into the magnesium alloy die, and forming the palm outer structure 1 of the glove die on the hollow palm inner structure 2 at the temperature of 680 ℃ for 20s to obtain the required hollow palm structure of the glove die, wherein the hollow palm structure comprises a palm body and an extension part thereof; the melting point of the magnesium alloy is higher than that of the zinc alloy, the tin alloy, the lead alloy and the lead-tin alloy, and the magnesium alloy is used as a metal material of the palm outer structure 1;

s3, melting and flowing out the hollow palm internal structure of the glove mold: then, the hollow palm structure of the glove mold obtained in the step 1-2 is sent into a furnace to be baked, and is clamped by a high-temperature-resistant material in the furnace and is in a vertical state, wherein the baking temperature is 350 ℃ and the baking time is 45 minutes, the hollow palm internal structure 2 of the glove mold is melted and flows out, and then the needed palm external structure 1 of the glove mold made of the magnesium alloy material with the hollow interior is obtained;

s4, deburring of the external structure of the palm: performing CNC machining on the palm external structure 1 of the magnesium alloy glove mold obtained in the step 3 to remove burrs, wherein CNC on the end part ensures the flatness and the dimensional precision during welding, and thus a hollow palm structure of the magnesium alloy is obtained;

s5, forming the tail of the magnesium alloy: forming a magnesium alloy tail 4, removing burrs on the surface, and ensuring the flatness of the end part by CNC;

and S6, welding the magnesium alloy tail part 4 and the hollow magnesium alloy palm structure for forming, and obtaining the required hollow magnesium alloy hand mould.

Specifically, before the step S1 and before the step S1, the positioning iron 3 is processed, and the positioning iron is cast and then formed through CNC machining, and then the processed positioning iron 3 is placed in the lead alloy die-casting mold of S1, and the hollow palm internal structure 2 of the forming glove mold is obtained through die-casting. The location iron is used for making things convenient for the feeding, shortens the stroke of feeding, guarantees the success rate, also can not process the location iron simultaneously, directly processes hollow palm inner structure 2 and palm outer structure 1, in actual production process, and the location iron can drop after processing the completion at every turn, and the location iron can carry out recycling according to actual conditions.

Specifically, different die-casting dies are used in the step S1 and the step S2, the hollow palm inner structure 2 of the glove die is processed and cooled to be formed, then the palm outer structure 1 of the glove die is processed and cooled to be formed, when the hollow palm inner structure 2 is processed, the lead alloy material selected by the hollow palm inner structure 2 is melted by 350 ℃ high temperature and flows into the die-casting die inner cavity, and the hollow palm inner structure 2 is formed after cooling; and then melting the magnesium alloy material selected by the palm external structure 1 at the high temperature of 650 ℃, enabling the melted magnesium alloy material to flow into an internal cavity of a die-casting die, and cooling to form the palm external structure 1.

Specifically, the oven used in the step S3 is an industrial oven, the temperature value inside the industrial oven is obtained through an instrument and a temperature sensor, the temperature value is clamped and fixed by a high temperature resistant material and is in a vertical state, the temperature inside the oven is controlled at 350 ℃ through a control system, the time is 40 minutes, the high temperature resistant material can be a refractory brick, aluminum, iron or steel die, and the material of the hollow palm inner structure 2 is melted and flowed out, so that the hollow palm outer structure 1 of the magnesium alloy hand mold is obtained.

Specifically, the step S4 deburring is performed to obtain a hollow palm structure of the magnesium alloy, after the hollow palm external structure 1 obtained in the step S3 is taken out, because the hollow palm external structure 1 is obtained by die casting, slag pockets and burrs are left on the external surface, and thus burrs outside the finger mold are machined and removed by CNC, the equipment required to be used in the deburring process is a machining center, milling cutters of different specifications are installed in a tool magazine inside the machining center, and deburring work is performed after a program, the rotating speed of the cutters and cutting feed are set.

Specifically, the method further comprises the step S7 of polishing and surface treatment, wherein the surface of the magnesium alloy hand die is roughly polished through rough abrasive paper, the tool mark of a machining center cutter is polished, and the surface polished through the rough abrasive paper is polished through fine abrasive paper, so that the surface polishing work of the magnesium alloy hand die is completed.

Specifically, the method also comprises S8, spraying Teflon on the surface of the polished magnesium alloy hand mold, wherein the Teflon can be continuously used at a high temperature of 260 ℃, the maximum using temperature is 300 ℃, the whole Teflon is polytetrafluoroethylene, and the Teflon has excellent corrosion resistance and can bear the effects of all strong acids (including aqua regia), strong oxidizing agents, reducing agents and various organic solvents except molten alkali metal, fluorinated media and sodium hydroxide with the temperature higher than 300 ℃; the dielectric ceramic has extremely strong insulation resistance, is not influenced by environment and frequency, has volume resistance of 1018 omega/cm, small dielectric loss and high breakdown voltage; the material has excellent high and low temperature resistance, little influence change on temperature, wide temperature range and outstanding surface non-adhesiveness, and the known solid materials can not be adhered on the surface and are solid materials with the minimum surface energy; good resistance to atmospheric aging, radiation and low permeability, and its surface properties remain unchanged after long-term exposure to the atmosphere.

In summary, the following steps: the invention aims to provide an alloy hand mold production process, which adopts aluminum alloy or magnesium alloy materials, has the heat conduction effect four times that of ceramic, and can improve the heating time and the heat dissipation time by more than 220 percent compared with a ceramic glove mold, thereby greatly improving the benefit and greatly saving the energy; due to the ultra-low thermal expansion coefficient of the special alloy, the Teflon on the surface can keep the optimal state for years, and the glove demoulding and the hand mould cleaning are easier than the ceramic.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, substitutions and improvements can be made to the technical solutions described in the foregoing embodiments or to some of the technical features of the embodiments, and any modification, substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.