阅读说明：本技术 一种双压头成型设备 (Double-pressure-head forming equipment ) 是由 杨绍良 于 2021-08-26 设计创作，主要内容包括：本发明公开了一种双压头成型设备,包括基座、安装在所述基座上的双压头和载料模具,所述基座上具有压制区,所述载料模具位于所述压制区,其特征在于：所述双压头包括用于产生静压力的静态压头和用于产生动态压力的动态压头,所述静态压头与所述动态压头叠合在一起构成所述双压头,所述静态压头和所述动态压头相互配合共同作用在所述载料模具中的物料上,所述静态压头产生的静压力压缩所述载料模具中物料的空间,所述动态压头产生的动态压力降低所述载料模具中物料间的作用力。本发明在向被压物料施加静压力的同时,还可以再向被压物料同时施加一个动态压力。静压力和动态压力共同复合作用在被压物料上。(The invention discloses a double-pressure-head forming device, which comprises a base, a double pressure head and a material loading mould, wherein the double pressure head and the material loading mould are arranged on the base, the base is provided with a pressing area, and the material loading mould is positioned in the pressing area, and the double pressure head forming device is characterized in that: the double-pressure head comprises a static pressure head for generating static pressure and a dynamic pressure head for generating dynamic pressure, the static pressure head and the dynamic pressure head are overlapped together to form the double-pressure head, the static pressure head and the dynamic pressure head are matched with each other and act on materials in the loading mold, the static pressure generated by the static pressure head compresses the space of the materials in the loading mold, and the dynamic pressure generated by the dynamic pressure head reduces the acting force between the materials in the loading mold. The invention can apply static pressure to the pressed material and also can apply dynamic pressure to the pressed material at the same time. The static pressure and the dynamic pressure are combined together to be applied to the pressed material.)

1. The utility model provides a two pressure head former, includes the base, installs two pressure heads on the base and year material mould, the pressing district has on the base, it is located to carry the material mould pressing district, its characterized in that: the double-pressure head comprises a static pressure head for generating static pressure and a dynamic pressure head for generating dynamic pressure, the static pressure head and the dynamic pressure head are overlapped together to form the double-pressure head, the static pressure head and the dynamic pressure head are matched with each other and act on materials in the loading mold, the static pressure generated by the static pressure head compresses the space of the materials in the loading mold, and the dynamic pressure generated by the dynamic pressure head reduces the acting force between the materials in the loading mold.

2. A dual-platen forming apparatus as claimed in claim 1, wherein: the dynamic pressure generated by the dynamic pressure head is generated by a hydraulic motion type piston mechanism, a pneumatic motion type piston mechanism, an eccentric wheel motion mechanism, a pneumatic vibration mechanism, a hydraulic vibration motor or an electric vibration motor.

3. A dual-platen forming apparatus as claimed in claim 1, wherein: the static pressure generated by the static pressure head is generated by a hydraulic driving structure, a gas driving structure or self weight.

4. A dual-platen forming apparatus as claimed in claim 1, wherein: the static pressure head is of a plate-shaped structure, a plurality of guide pillars are arranged on the base and penetrate through the static pressure head, the dynamic pressure head is installed on the top surface of the static pressure head and comprises a pressure plate and a driver for driving the pressure plate.

5. A dual-platen forming apparatus as claimed in claim 4, wherein: the dynamic pressure head with be provided with antifriction pad between the static pressure head, be provided with a plurality of clamp plate stoppers on the static pressure head, the clamp plate stopper supports and leans on the side of clamp plate, still be provided with a plurality of hydraulic pressure mechanisms on the base, the hydraulic pressure mechanism with the static pressure head is connected, the hydraulic pressure mechanism is right static pressure is applyed to the static pressure head.

6. A dual-platen forming apparatus as claimed in claim 4, wherein: the material loading mold comprises a bottom plate and side plates positioned on the periphery of the bottom plate, a cavity for containing materials is defined by the bottom plate and the side plates, and the static pressure head is pressed on the top of the cavity.

7. A dual-platen forming apparatus as claimed in claim 1, wherein: the static pressure head comprises a thick substrate and limiting plates located on the periphery of the thick substrate, the thick substrate and the limiting plates are enclosed to form a limiting cavity, the dynamic pressure head comprises a cubic pressure body and a driver located at the top of the cubic pressure body, and the cubic pressure body is inserted into the limiting cavity.

8. A dual-platen forming apparatus as claimed in claim 7, wherein: the top of the cube pressing body is provided with a plurality of wing plates, a plurality of lifting mechanisms are arranged on the base, the lifting mechanisms abut against the wing plates, the cube pressing body and the anti-friction pad are arranged between the thick base plates, a plurality of limiting blocks are arranged on the cube pressing body, and the limiting blocks abut against the outer side wall of the limiting plate.

9. A dual-platen forming apparatus as claimed in claim 7, wherein: the base is provided with a vacuum chamber, and the vacuum chamber comprises an upper sealing plate, side sealing plates connected with the upper sealing plate and sealing doors arranged at two ends of the vacuum chamber.

10. A dual-platen forming apparatus as claimed in claim 7, wherein: the material loading mold comprises a bottom plate and side plates positioned on the periphery of the bottom plate, a cubic cavity for containing materials is defined by the bottom plate and the side plates, and the static pressure head is inserted into the cavity.

Technical Field

The invention relates to a device for forming a double pressure head.

Background

A hydraulic press is a machine for processing products such as metal, plastic, wood, powder, etc. using hydrostatic pressure, and is commonly used in pressing and press forming processes, such as: forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder (metal, non-metal) forming, press fitting, extruding, and the like. The hydraulic machine comprises a hydraulic press and an oil press. The articles processed by the hydraulic press all need to have certain ductility or fluidity, and one of the articles generates plastic deformation under the action of external force, so that the process target can be realized. However, as society develops, more and more articles are required to be formed by pressing, physical properties of the articles are more and more varied, and particularly, many non-metal materials without ductility are required to be formed by pressing. For example: ceramic tiles, ceramic rock plates, cement bricks, cement plates, artificial stones, various sandstone products, gypsum boards and the like. Adopt the hydraulic press to suppress this type of non-malleable article, because granule and intergranular conflict each other among this type of article, the looks mutual friction, along with the material is compressed more and more, frictional force between the material granule can increase more and more, when frictional force is big to a certain extent, can be balanced with the static pressure, the material is no longer continued the compression, the closely knit degree of fashioned article is not high like this, physical strength is not good. At present, in order to overcome the defects, one method is to add more liquid materials into the materials to reduce the friction force among the material particles, but adding too much liquid materials not only increases the production cost, but also reduces the density of the formed article and has insufficient physical strength. The other method is to reduce the particle size of the material particles, to make the material in the form of superfine powder to reduce the friction force between the material particles, and to increase the pressure of the hydraulic press continuously to realize the material molding. The method not only increases the production cost, but also increases the input cost of the production equipment of the press, and simultaneously restricts the use of the grain diameter of the material, thereby greatly reducing the style and the type of the product.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a double-pressure-head forming device which has the advantages of good compactness of a pressed article, high physical strength, compact and nonporous article and strong bonding force.

The double-pressure-head forming equipment comprises a base, a double pressure head and a loading mold, wherein the double pressure head and the loading mold are mounted on the base, the base is provided with a pressing area, the loading mold is located in the pressing area, the double pressure head comprises a static pressure head for generating static pressure and a dynamic pressure head for generating dynamic pressure, the static pressure head and the dynamic pressure head are overlapped to form the double pressure head, the static pressure head and the dynamic pressure head are matched with each other to act on materials in the loading mold, the static pressure generated by the static pressure head compresses spaces of the materials in the loading mold, and the dynamic pressure generated by the dynamic pressure head reduces acting force between the materials in the loading mold.

The dynamic pressure generated by the dynamic pressure head is generated by a hydraulic motion type piston mechanism, a pneumatic motion type piston mechanism, an eccentric wheel motion mechanism, a pneumatic vibration mechanism, a hydraulic vibration motor or an electric vibration motor.

Further included is that the static pressure head generates a static pressure generated by a hydraulically driven structure, by a pneumatically driven structure, or by its own weight.

The static pressure head is of a plate-shaped structure, a plurality of guide pillars are arranged on the base and penetrate through the static pressure head, the dynamic pressure head is installed on the top surface of the static pressure head, and the dynamic pressure head comprises a pressure plate and a driver for driving the pressure plate.

Further comprising an anti-friction pad arranged between the dynamic pressure head and the static pressure head.

The static pressure head is provided with a plurality of pressure plate limiting blocks, and the pressure plate limiting blocks are abutted against the side faces of the pressure plates.

The base is further provided with a plurality of hydraulic mechanisms, the hydraulic mechanisms are connected with the static pressure head, and the hydraulic mechanisms apply static pressure to the static pressure head.

The material loading mold comprises a bottom plate and side plates positioned on the periphery of the bottom plate, a cavity for containing materials is enclosed by the bottom plate and the side plates, and the static pressure head is pressed on the top of the cavity.

The static pressure head comprises a thick substrate and a limiting plate located on the periphery of the thick substrate, the thick substrate and the limiting plate enclose a limiting cavity, the dynamic pressure head comprises a cubic pressure body and a driver located at the top of the cubic pressure body, and the cubic pressure body is inserted into the limiting cavity.

The cubic pressing body is characterized in that a plurality of wing plates are arranged at the top of the cubic pressing body, a plurality of lifting mechanisms are arranged on the base, and the lifting mechanisms abut against the wing plates.

Further comprising an anti-friction pad arranged between the cubic pressure body and the thick substrate.

The base is provided with a vacuum chamber, and the vacuum chamber comprises an upper sealing plate, side sealing plates connected with the upper sealing plate and sealing doors arranged at two ends of the vacuum chamber.

The material loading mold comprises a bottom plate and side plates positioned on the periphery of the bottom plate, a cubic cavity for containing materials is defined by the bottom plate and the side plates, and the static pressure head is inserted into the cavity.

The cubic pressing body is provided with a plurality of limiting blocks, and the limiting blocks are abutted to the outer side wall of the limiting plate.

Compared with the prior art, the double-pressure-head forming equipment provided by the invention has the following advantages: the invention can apply static pressure to the pressed material and also can apply dynamic pressure to the pressed material at the same time. The static pressure and the dynamic pressure are combined together to be applied to the pressed material. When the static pressure is applied, the friction force among the material particles is increased along with the increasing tightness of the material, and at the moment, the dynamic pressure can destroy and eliminate the contact force and the friction force among the material aggregates, so that the mutually contacted material particles can slide, and the material is compressed; the materials are compressed, the friction force of particles among the materials is increased, the dynamic pressure eliminates the friction force among the materials, the particles of the materials slide, and the materials are further compressed; the materials are further compressed, the friction force of particles among the materials is increased, the friction force among the materials is eliminated by the dynamic pressure, the material particles slide, and the materials are further compressed. And circulating in such a way, and pressing the final material to form a high-compactness article. The pressed article has good compactness, high physical strength, compact and non-porous article and strong binding force. Meanwhile, the invention has wide application, and the pressed articles have various types, and can be used for pressing ceramic tiles, ceramic rock plates, cement bricks, cement plates, artificial stone bricks, artificial stone slabs, various sandstone products, gypsum boards and the like. The pressed raw materials are wide, and sand stones with various particle sizes, various tailing sand stones, various powder particles and the like can be pressed to form high-compactness articles. The invention can press the materials into sheet plates and also can press the materials into cubic products. The size of the pressed article is not limited.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention.

Fig. 2 is a top view of the first embodiment of the present invention.

Fig. 3 is a sectional view a-a in fig. 2.

Fig. 4 is a sectional view B-B in fig. 2.

Fig. 5 is a perspective view of a second embodiment of the present invention.

Fig. 6 is a top view of a second embodiment of the present invention.

Fig. 7 is a cross-sectional view C-C of fig. 6.

Fig. 8 is a cross-sectional view taken along line D-D of fig. 6.

Detailed Description

For the purpose of clearly illustrating the aspects of the present invention, preferred embodiments are given below in conjunction with the accompanying drawings. The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

Referring to fig. 1 to 4, the double-ram forming equipment provided by the invention comprises a base 1, a double ram 2 and a loading die 3, wherein the double ram 2 is mounted on the base 1, the base 1 is provided with a pressing area, the loading die 3 is located in the pressing area, the double ram 2 comprises a static ram 21 for generating static pressure and a dynamic ram 22 for generating dynamic pressure, the static ram 21 and the dynamic ram 22 are overlapped to form the double ram 2, the static ram 21 and the dynamic ram 22 are matched with each other to act on materials in the loading die 3, the static pressure generated by the static ram 21 compresses the space of the materials in the loading die 3, and the dynamic pressure generated by the dynamic ram 22 reduces the acting force between the materials in the loading die 3. The static pressure in the present invention does not mean a static pressure, and the static pressure means a pressure having a continuity and a direction being kept unchanged. The dynamic pressure refers to the beating force generated by the rapid up-and-down motion. The static pressure head 21 of the present invention generates a continuous static pressure which is always applied to the material to press the material. The dynamic ram 22 generates dynamic pressure that is also applied to the material. The invention can apply static pressure to the pressed material and also can apply dynamic pressure to the pressed material at the same time. The static pressure and the dynamic pressure are combined together to be applied to the pressed material. When the static pressure is applied, the friction force among the material particles is increased along with the increasing tightness of the material, and at the moment, the dynamic pressure can destroy and eliminate the contact force and the friction force among the material aggregates, so that the mutually contacted material particles can slide, and the material is compressed; the materials are compressed, the particle friction among the materials is increased, the friction among the materials is eliminated by the dynamic pressure, the material particles slide, and the materials are further compressed; the materials are further compressed, the friction force of particles among the materials is increased, the friction force among the materials is eliminated by the dynamic pressure, the material particles slide, and the materials are further compressed. And circulating in such a way, and pressing the final material to form a high-compactness article. The pressed article has good compactness, high physical strength, compact and non-porous article and strong binding force. Meanwhile, the invention has wide application, and the pressed articles have various types, and can be used for pressing ceramic tiles, ceramic rock plates, cement bricks, cement plates, artificial stone bricks, artificial stone slabs, various sandstone products, gypsum boards and the like. The pressed raw materials are wide, and sand stones with various particle sizes, various tailing sand stones, various powder particles and the like can be pressed to form high-compactness articles. The invention can press the materials into sheet plates and also can press the materials into cubic products. The size of the pressed article is not limited.

Referring to fig. 1 to 4, in the above-mentioned embodiment of the present invention, it is further included that the dynamic pressure generated by the dynamic ram 22 is generated by a hydraulic moving piston mechanism, a pneumatic moving piston mechanism, an eccentric moving mechanism, a pneumatic vibrating mechanism, a hydraulic vibrating motor or an electric vibrating motor. The power mechanism can move up and down at high frequency and generate downward impact force, and the power mechanism is a mature commercial product, so the specific structure is not repeated.

Referring to fig. 1 to 4, in the above-mentioned embodiment of the present invention, it is further included that the static pressure generated by the static pressure head 21 is generated by a hydraulic driving structure, a gas driving structure or by its own weight, or may be a superimposed static pressure formed by combining the above-mentioned methods. The hydraulic driving structure is formed by driving the static pressure head 21 by a hydraulic cylinder, the gas driving structure is formed by driving the static pressure head 21 by a cylinder, and the self weight means that the static pressure head 21 is made of a heavy plate material, so that the weight is enough to meet the static pressure required by the static pressure head 21.

Referring to fig. 1 to 4, in the above embodiment of the present invention, it is further included that the static ram 21 is a plate-shaped structure, the base 1 is provided with a plurality of guide posts 11, the guide posts 11 pass through the static ram 21, the dynamic ram 22 is mounted on the top surface of the static ram 21, and the dynamic ram 22 includes a pressing plate 221 and a driver 222 for driving the pressing plate 221. The guide post 11 plays a limiting role, so that the static pressure head 21 slides up and down, the offset cannot occur, and the balance is kept. The static ram 21 is made of thick sheet material and is of sufficient weight to apply a static pressure to the material. The pressing plate 221 is also made of a rear plate, the driver 222 adopts a hydraulic motion type piston mechanism, an air pressure motion type piston mechanism, an eccentric wheel motion mechanism, a pneumatic vibration mechanism, a hydraulic vibration motor or an electric vibration motor, and the driver 222 drives the pressing plate 221 to move up and down to form high-frequency beating force to form dynamic pressure.

Referring to fig. 1 to 4, in the above embodiment of the present invention, it is further included that an anti-friction pad 23 is disposed between the dynamic ram 22 and the static ram 21. The anti-friction pad 23 serves to isolate the dynamic ram 22 from the static ram 21, and prevents the dynamic ram 22 from wearing the static ram 21. The anti-friction pad 23 is of a thin-sheet structure made of wear-resistant materials, has a good conduction effect and can transmit dynamic pressure to materials.

Referring to fig. 1 to 4, in the above embodiment of the present invention, it is further included that a plurality of pressure plate stoppers 24 are disposed on the static pressure head 21, and the pressure plate stoppers 24 abut against the side surface of the pressure plate 221. The dynamic pressure head 22 is suspended above the static pressure head 21, and the pressure plate limiting block 24 limits the dynamic pressure head 22 to move left and right, so that the dynamic pressure head 22 can only move up and down. The pressing plate limiting block 24 is provided with a wear-resistant strip which abuts against the side surface of the pressing plate 221.

Referring to fig. 1 to 4, in the above embodiment of the present invention, it is further included that a plurality of hydraulic mechanisms 12 are further disposed on the base 1, the hydraulic mechanisms 12 are connected to the static ram 21, and the hydraulic mechanisms 12 apply static pressure to the static ram 21. The static pressure in the present invention is formed by overlapping the hydraulic pressure generated by the hydraulic mechanism 12 and its own weight, and the hydraulic pressure generated by the hydraulic mechanism 12 can be continuously applied to the static pressure head 21.

Referring to fig. 1 to 4, in the above embodiment of the present invention, it is further included that the loading mold 3 includes a bottom plate 31 and a side plate 32 located around the bottom plate 31, the bottom plate 31 and the side plate 32 enclose a cavity for containing the material, and the static pressure head 21 is pressed on the top of the cavity. The material loading mould 3 adopts a plate type structure with a cavity, a plate with a thicker structure can be pressed, and the side plate 32 can prevent material leakage and is beneficial to forming.

Referring to fig. 5 to 8, in another embodiment of the present invention, the present invention includes a base 1, a double ram 2 mounted on the base 1, and a load die 3, the base 1 has a pressing area, the load die 3 is located in the pressing area, the double ram 2 includes a static ram 21 for generating static pressure and a dynamic ram 22 for generating dynamic pressure, the static ram 21 and the dynamic ram 22 are stacked together to form the double ram 2, the static ram 21 and the dynamic ram 22 cooperate with each other to act on the material in the load die 3, the static pressure generated by the static ram 21 compresses the space of the material in the load die 3, and the dynamic pressure generated by the dynamic ram 22 reduces the acting force between the materials in the load die 3. The static pressure head 21 comprises a thick base plate 211 and a limiting plate 212 positioned on the periphery of the thick base plate 211, the thick base plate 211 and the limiting plate 212 form a limiting cavity in a surrounding mode, the dynamic pressure head 22 comprises a cubic pressure body 223 and a driver 222 positioned on the top of the cubic pressure body 223, and the cubic pressure body 223 is inserted into the limiting cavity. In the present embodiment, the static ram 21 and the dynamic ram 22 are configured as a cubic structure, which can generate a large static pressure and a large dynamic pressure, and is beneficial to pressing a cubic product. The working principle of the present embodiment is the same as that of the above embodiment, and the present embodiment is a cubic product forming apparatus, and the above embodiment is a plate vacuum-free forming apparatus.

Referring to fig. 5 to 8, in the above embodiment of the present invention, it is further included that a plurality of wings 224 are disposed on the top of the cubic pressing body 223, and a plurality of lifting mechanisms 13 are disposed on the base 1, wherein the lifting mechanisms 13 abut against the wings 224. The lifting mechanism 13 drives the dynamic pressure head 22 to lift, and the lifting mechanism 13 adopts a hydraulic driving mechanism or a pneumatic driving mechanism.

Referring to fig. 5 to 8, in the above embodiment of the present invention, it is further included that an anti-friction pad 23 is disposed between the cubic pressure body 223 and the thick substrate 211. The anti-friction pad 23 serves to isolate the dynamic ram 22 from the static ram 21, and prevents the dynamic ram 22 from wearing the static ram 21. The anti-friction pad 23 is of a thin-sheet structure made of wear-resistant materials, has a good conduction effect and can transmit dynamic pressure to materials.

Referring to fig. 5 to 8, in the above embodiment of the present invention, it is further included that a vacuum chamber 4 is provided on the base 1, and the vacuum chamber 4 includes an upper sealing plate 41, a side sealing plate 42 connected to the upper sealing plate 41, and sealing doors 43 installed at both ends of the vacuum chamber 4. The static ram 21 passes through the upper seal plate 41 and maintains a seal. The static pressure head 21 is designed to be of the structure, so that the limiting plate 212 in the static pressure head 21 is matched with the upper sealing plate 41, and a sealing structure is arranged. The dynamic pressure head 22 is inserted into the limit cavity of the static pressure head 21 and cannot be contacted with the upper sealing plate 41, so that sealing is facilitated. Frames 44 are arranged at two ends of the vacuum chamber 4, the sealing door 43 is arranged on the frames 44, a track is arranged on the frames 44, and the sealing door 43 is arranged on the track. The above structure facilitates the opening and closing of the sealing door 43. In this embodiment, since a vacuum structure is adopted, the static pressure is formed by combining the self weight of the static pressure head 21 and the vacuum pressure.

Referring to fig. 5 to 8, in the above embodiment of the present invention, it is further included that the loading mold 3 includes a bottom plate 31 and side plates 32 located around the bottom plate 31, the bottom plate 31 and the side plates 32 define a cubic cavity for containing the material, and the static pressure head 21 is inserted into the cavity. The cubic cavity is arranged in the embodiment of the invention, so that more materials can be contained, and a cubic product is manufactured.

Referring to fig. 5 to 8, in the above embodiment of the present invention, it is further included that a plurality of limit blocks 225 are disposed on the cubic pressure body 223, and the limit blocks 225 abut against the outer side wall of the limit plate 211. The limiting block 225 plays a limiting role, and prevents the cubic pressure body 223 from contacting the limiting plate 212 to cause abrasion. The cubic pressure body 223 is further provided with a hook 226, and the hook 226 hooks the static pressure head 21, so that the static pressure head 21 is driven to ascend and descend when the cubic pressure body 223 ascends and descends.

In summary, the above descriptions are only examples of the present invention, and are only used for illustrating the principle of the present invention, and not for limiting the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.