阅读说明：本技术 一种旋转式纸浆模塑热压定型装置 (Rotary type paper pulp molding hot-pressing setting device ) 是由 徐罗申 徐允聪 于 2020-07-06 设计创作，主要内容包括：本发明公开了一种旋转式纸浆模塑热压定型装置,包括基座和旋转机架；旋转机架的外侧沿其周向均布安装有多个模块化热压定型机构；模块化热压定型机构包括固定框架、热压上模结构和热压下模结构；固定框架沿竖直方向形成升降通道；热压上模结构位于升降通道上部；热压下模结构位于升降通道下部；还包括用于驱动热压上模结构与热压下模结构之间实现合模或开模的动力机构和热压定型生产必须的增压机构。本发明能够确保在工作期间的任意时刻,均有多个模块化热压定型机构在同时进行热压定型生产,整机生产效率高。热压定型工作模块自成一体,其性能不受除其自身以外的其他构件影响。整机运行平稳可靠,加工及装配简易方便、综合制造和使用成本低。(The invention discloses a rotary type paper pulp molding hot-pressing shaping device, which comprises a base and a rotary frame, wherein the rotary frame is provided with a rotary shaft; a plurality of modular hot-pressing shaping mechanisms are uniformly distributed on the outer side of the rotating frame along the circumferential direction of the rotating frame; the modular hot-pressing shaping mechanism comprises a fixed frame, a hot-pressing upper die structure and a hot-pressing lower die structure; the fixed frame forms a lifting channel along the vertical direction; the hot-pressing upper die structure is positioned at the upper part of the lifting channel; the hot-pressing lower die structure is positioned at the lower part of the lifting channel; the hot-pressing forming die further comprises a power mechanism and a pressurizing mechanism, wherein the power mechanism is used for driving the hot-pressing upper die structure and the hot-pressing lower die structure to realize die closing or die opening, and the pressurizing mechanism is necessary for hot-pressing forming production. The invention can ensure that a plurality of modularized hot-pressing shaping mechanisms are used for carrying out hot-pressing shaping production at any time during the working period, and the production efficiency of the whole machine is high. The hot-press shaping working module is integrated, and the performance of the hot-press shaping working module is not influenced by other components except the hot-press shaping working module. The whole machine is stable and reliable in operation, simple and convenient in processing and assembly, and low in comprehensive manufacturing and using cost.)

1. A rotary type paper pulp molding hot-pressing shaping device comprises a base and a rotary rack which is rotatably arranged on the base; it is characterized in that the preparation method is characterized in that,

a plurality of modular hot-pressing shaping mechanisms are uniformly distributed on the outer side of the rotating rack along the circumferential direction of the rotating rack;

the modularized hot-pressing shaping mechanism comprises a fixed frame, a hot-pressing upper die structure and a hot-pressing lower die structure, wherein the fixed frame is fixedly arranged on the outer side of the rotating rack; the fixed frame forms a lifting channel along the vertical direction; the hot-pressing upper die structure is fixedly arranged on the fixed frame and is positioned at the upper part of the lifting channel; the hot-pressing upper die structure is provided with an upper die core facing downwards along the vertical direction; the hot-pressing lower die structure is fixedly arranged on the fixed frame and is positioned at the lower part of the lifting channel, and the hot-pressing lower die structure is provided with a lower die core which is upward along the vertical direction; the mould closing and opening mechanism is used for driving the upper hot-pressing mould structure and the lower hot-pressing mould structure to realize mould closing or mould opening.

2. The rotary pulp molding hot-press shaping device as claimed in claim 1, wherein the hot-press lower mold structure comprises a hot-press lower mold assembly having a lower mold core facing upward in a vertical direction, a lower mold mounting base plate, and a lift cylinder; the hot-pressing lower die assembly is positioned at the lower part of the lifting channel; the lower die mounting substrate is fixedly mounted on the fixed frame and positioned below the hot-pressing lower die assembly, and a piston rod through hole is formed in the lower die mounting substrate; a cylinder body of the lifting oil cylinder is fixedly arranged on the lower die mounting substrate along the vertical direction, and a piston rod of the lifting oil cylinder penetrates through a piston rod through insertion hole to be fixedly connected with the hot-pressing lower die assembly; the lifting oil cylinder is used as the power mechanism and used for driving the hot-pressing lower die assembly to ascend or descend along the vertical direction, so that die assembly or die opening is realized between the lower die core and the upper die core.

3. The rotary type pulp molding hot-press molding device according to claims 1 and 2, wherein the plurality of modular hot-press molding mechanisms are uniformly distributed circumferentially and fixedly installed on the outer wall of the rotary rack in a hanging side-hanging manner.

4. The rotary pulp molding hot-press shaping device according to claim 2, wherein the fixed frame comprises a back plate, two side plates fixedly mounted on the left and right sides of the back plate respectively; the side plate comprises a side plate body, the upper end of the side plate body is provided with an upper side plate extension arm, and the lower end of the side plate body is provided with a lower side plate extension arm; the lifting channel is formed between the two side plates along the vertical direction; a wet embryo inlet and outlet channel is formed between the side plate upper extension arm and the side plate lower extension arm of the two side plates along the horizontal direction.

5. The rotary pulp molding hot press molding apparatus according to claim 2, wherein the hot press lower mold structure further comprises a lower mold base frame assembly and guide posts; the lower die underframe assembly is positioned below the lower die mounting substrate; the lower die chassis assembly comprises a chassis main body, a locking mechanism and a first driving mechanism;

a connecting shaft through insertion hole penetrating through the top surface and the bottom surface of the underframe main body is formed in the underframe main body;

the locking mechanism comprises a shaft sleeve mounting plate, a rotary shaft sleeve and a connecting shaft; the shaft sleeve mounting plate is fixedly mounted on the bottom surface of the underframe main body, and a connecting shaft inserting hole communicated with the inserting hole is formed in the shaft sleeve mounting plate; the rotary shaft sleeve is rotatably arranged between the shaft sleeve mounting plate and the bottom surface of the underframe main body, the rotary shaft sleeve is provided with a central through hole which is arranged along the axial direction of the rotary shaft sleeve and communicated with the plug-in hole, and a plurality of first splines are arranged at intervals in the circumferential direction of the central through hole of the rotary shaft sleeve; the connecting shaft is arranged right above the underframe main body, the upper end part of the connecting shaft is fixedly connected with the upper end surface of the lower die mounting base plate, the lower end part of the connecting shaft is opposite to the connecting shaft through insertion hole, and a plurality of second splines are arranged on the outer wall of the lower end part of the connecting shaft at intervals in the circumferential direction;

the first driving mechanism is arranged on the bottom surface of the underframe main body; the first driving mechanism is used for driving the rotating shaft sleeve to rotate so as to switch between an unlocking state and a locking state; when the rotating shaft sleeve is in an unlocking state, the projections of the first spline and the second spline in the axial direction of the rotating shaft sleeve are mutually staggered, so that the rotating shaft sleeve can be sleeved on the connecting shaft and can move up and down along the axial direction of the connecting shaft; when the rotating shaft sleeve is in a locking state, the projections of the first spline and the second spline in the axial direction of the rotating shaft sleeve are mutually overlapped, so that the first spline of the rotating shaft sleeve is mutually abutted with the second spline of the connecting shaft;

the upper end part of the guide post penetrates through the lower die mounting substrate to be fixedly connected with the hot-pressing lower die assembly, and the lower end part of the guide post is used as a piston rod to be fixedly connected with a booster cylinder piston of the lower die underframe assembly.

6. The rotary pulp molding hot-press shaping device as claimed in claim 5, wherein the first driving mechanism is a cylinder, the number of the locking mechanisms is two, and the number of the connecting shaft insertion holes is two; the driving mechanism comprises a first connecting rod, a second connecting rod and two driving parts, wherein the first connecting rod and the second connecting rod are arranged in parallel, the two driving parts are provided with center holes, one driving part is fixedly connected with a rotating shaft sleeve, the other driving part is fixedly connected with the other rotating shaft sleeve, one end of the first connecting rod is hinged with one driving part, and the other end of the first connecting rod is hinged with the other driving part; one end of the second connecting rod is hinged with one driving piece, and the other end of the second connecting rod is hinged with the other driving piece; and an output shaft of the cylinder is fixedly connected with the first connecting rod or the second connecting rod.

7. The rotary pulp molding hot-press shaping device as claimed in claim 6, further comprising four pressurizing cylinders mounted on the bottom frame body, wherein the four pressurizing cylinders are all short-distance cylinders, and are respectively disposed at four corners of the bottom frame body; correspondingly, the number of the guide posts is four; the lower end part of each guide post is used as a piston rod and is fixedly connected with a piston of a boosting oil cylinder; and a guide sleeve is arranged on the lower die mounting substrate corresponding to each guide pillar, and the guide pillars are correspondingly inserted into the guide sleeves one by one.

8. The rotary type pulp molding hot-pressing and sizing device as claimed in claim 2, wherein the lower hot-pressing die assembly comprises a lower die plate, a lower heating plate, a lower heat insulation plate, a first vacuum air chamber structure and a lower die fixing plate which are arranged in sequence from top to bottom; the lower die plate is provided with at least one lower die core, and the inner wall of the lower die core is provided with a vent hole communicated with the vacuum cavity of the first vacuum air chamber structure; a vacuum cavity of the first vacuum air chamber structure is externally connected with a vacuumizing device; and the lower die fixing plate is respectively and fixedly connected with the guide pillar and a piston rod of the lifting oil cylinder.

9. The rotary pulp molding thermoforming apparatus as recited in claim 8, wherein the first vacuum plenum structure comprises:

a vacuum chamber body having a vacuum chamber formed therein; an air suction opening is formed in one side wall of the vacuum air chamber main body, a pressure relief opening is formed in the other side wall opposite to the air suction opening, the air suction opening is used for being connected with vacuum pumping equipment, and the pressure relief opening is used for being communicated with external air;

the control valve assembly comprises a plugging piece, a second driving mechanism and a second driving mechanism mounting plate; the plugging piece is positioned between the air suction port and the pressure relief port; the second driving mechanism is arranged on the vacuum air chamber main body, and an output shaft of the second driving mechanism penetrates through a second driving mechanism mounting plate to be fixedly connected with the plugging piece; the second driving mechanism is arranged on the pressure relief opening through a second driving mechanism mounting plate; the second driving mechanism mounting plate is also provided with a pressure relief hole communicated with the pressure relief port; the second driving mechanism is used for driving the plugging piece to move linearly so as to switch between a vacuum-pumping state and a pressure-relief state; when the plugging piece is in a vacuumizing state, the plugging piece plugs the pressure relief opening and the pressure relief hole, so that the air suction opening is communicated with the vacuum cavity; when the plugging piece is in a pressure relief state, the air pumping hole is plugged by the plugging piece, so that the atmosphere is communicated with the air guide cavity through the pressure relief hole and the pressure relief hole.

10. The rotary pulp molding hot-press shaping device according to claim 9, wherein an air guide cavity extends outwards from one side of the vacuum air chamber body, the air guide cavity is provided with an air guide cavity communicated with the vacuum chamber, the air suction port is arranged on the bottom wall of the air guide cavity, the pressure relief port is arranged on the top wall of the air guide cavity, and the second driving mechanism is arranged on the top wall of the air guide cavity of the vacuum air chamber body through a second driving mechanism mounting plate; the vacuum air chamber main body comprises a rectangular frame structure formed by fixedly connecting a plurality of hollow rectangular tubes in a sealing manner and side sealing plates arranged on the side surfaces of the rectangular frame structure; any one hollow rectangular pipe is provided with an extension part to form the air guide cavity, and all the hollow rectangular pipes are communicated through connecting holes to form the vacuum cavity.

Technical Field

The invention relates to the technical field of hot-press forming, in particular to rotary paper pulp molding hot-press forming production equipment.

Background

At present, a paper pulp molding product is a green environment-friendly product which is made by taking plant fibers or waste paper products which can be completely naturally degraded and recycled as basic materials, and the manufacturing process of the paper pulp molding is finished by the working procedures of pulping, adsorption molding, wet embryo transfer, hot-press molding and the like; the method is widely applied to the fields of food and medicine containing, electric appliance packaging, planting and seedling raising, medical utensils, artware bottom blanks, fragile product liner packaging and the like.

Disclosure of Invention

In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a rotary type paper pulp molding hot-press shaping device, which is formed by integrating complete, independent and excellent-performance hot-press shaping working modules in a modular combined installation mode, can organize a plurality of hot-press shaping working modules to simultaneously carry out hot-press shaping processing, and has high production efficiency of the whole machine. The hot-press shaping working module is integrated, and the performance of the hot-press shaping working module is not influenced by other components except the hot-press shaping working module. The whole machine is stable and reliable in operation, simple and convenient in processing and assembly, and low in comprehensive manufacturing and using cost.

The purpose of the invention is realized by adopting the following technical scheme:

according to a first aspect of the invention, an embodiment provides a rotary type pulp molding hot-press shaping device, which comprises a base and a rotary frame rotatably mounted on the base; it is characterized in that the preparation method is characterized in that,

a plurality of modular hot-pressing shaping mechanisms are uniformly distributed on the outer side of the rotating rack along the circumferential direction of the rotating rack;

the modularized hot-pressing shaping mechanism comprises a fixed frame, a hot-pressing upper die structure and a hot-pressing lower die structure, wherein the fixed frame is fixedly arranged on the outer side of the rotating rack; the fixed frame forms a lifting channel along the vertical direction; the hot-pressing upper die structure is fixedly arranged on the fixed frame and is positioned at the upper part of the lifting channel; the hot-pressing upper die structure is provided with an upper die core facing downwards along the vertical direction; the hot-pressing lower die structure is fixedly arranged on the fixed frame and is positioned at the lower part of the lifting channel, and the hot-pressing lower die structure is provided with a lower die core which is upward along the vertical direction; the mould closing and opening mechanism is used for driving the upper hot-pressing mould structure and the lower hot-pressing mould structure to realize mould closing or mould opening.

In an optional embodiment, the hot-pressing lower die structure comprises a hot-pressing lower die assembly with a lower die core facing upwards in the vertical direction, a lower die mounting substrate and a lifting cylinder; the hot-pressing lower die assembly is positioned at the lower part of the lifting channel; the lower die mounting substrate is fixedly mounted on the fixed frame and positioned below the hot-pressing lower die assembly, and a piston rod through hole is formed in the lower die mounting substrate; a cylinder body of the lifting oil cylinder is fixedly arranged on the lower die mounting substrate along the vertical direction, and a piston rod of the lifting oil cylinder penetrates through a piston rod through insertion hole to be fixedly connected with the hot-pressing lower die assembly; the lifting oil cylinder is used as the power mechanism and used for driving the hot-pressing lower die assembly to ascend or descend along the vertical direction, so that die assembly or die opening is realized between the lower die core and the upper die core.

In an optional implementation mode, the plurality of modular hot-press forming mechanisms are uniformly distributed according to the circumference and fixedly mounted on a flange on the outer wall of the rotating rack in a hanging side hanging mode. When in use, the rotary frame does uniform circular motion.

In an optional embodiment, the fixed frame includes a back plate, two side plates fixedly installed at the left and right sides of the back plate respectively; the side plate comprises a side plate body, the upper end of the side plate body is provided with an upper side plate extension arm, and the lower end of the side plate body is provided with a lower side plate extension arm; the lifting channel is formed between the two side plates along the vertical direction; a wet embryo inlet and outlet channel is formed between the side plate upper extension arm and the side plate lower extension arm of the two side plates along the horizontal direction.

In an optional embodiment, the hot-pressing lower die structure further includes a lower die base frame assembly and a guide pillar; the lower die underframe assembly is positioned below the lower die mounting substrate; the lower die chassis assembly comprises a chassis main body, a locking mechanism and a first driving mechanism;

a connecting shaft through insertion hole penetrating through the top surface and the bottom surface of the underframe main body is formed in the underframe main body;

the locking mechanism comprises a shaft sleeve mounting plate, a rotary shaft sleeve and a connecting shaft; the shaft sleeve mounting plate is fixedly mounted on the bottom surface of the underframe main body, and a connecting shaft inserting hole communicated with the inserting hole is formed in the shaft sleeve mounting plate; the rotary shaft sleeve is rotatably arranged between the shaft sleeve mounting plate and the bottom surface of the underframe main body, the rotary shaft sleeve is provided with a central through hole which is arranged along the axial direction of the rotary shaft sleeve and communicated with the plug-in hole, and a plurality of first splines are arranged at intervals in the circumferential direction of the central through hole of the rotary shaft sleeve; the connecting shaft is arranged right above the underframe main body, the upper end part of the connecting shaft is fixedly connected with the upper end surface of the lower die mounting base plate, the lower end part of the connecting shaft is opposite to the connecting shaft through insertion hole, and a plurality of second splines are arranged on the outer wall of the lower end part of the connecting shaft at intervals in the circumferential direction;

the first driving mechanism is arranged on the bottom surface of the underframe main body; the first driving mechanism is used for driving the rotating shaft sleeve to rotate so as to switch between an unlocking state and a locking state; when the rotating shaft sleeve is in an unlocking state, the projections of the first spline and the second spline in the axial direction of the rotating shaft sleeve are mutually staggered, so that the rotating shaft sleeve can be sleeved on the connecting shaft and can move up and down along the axial direction of the connecting shaft; when the rotating shaft sleeve is in a locking state, the projections of the first spline and the second spline in the axial direction of the rotating shaft sleeve are mutually overlapped, so that the first spline of the rotating shaft sleeve is mutually abutted with the second spline of the connecting shaft;

the upper end part of the guide post penetrates through the lower die mounting substrate to be fixedly connected with the hot-pressing lower die assembly, and the lower end part of the guide post is used as a piston rod to be fixedly connected with a booster cylinder piston of the lower die underframe assembly.

In an optional implementation manner, the first driving mechanism is an air cylinder, the number of the locking mechanisms is two, and the number of the connecting shaft insertion holes is two; the driving mechanism comprises a first connecting rod, a second connecting rod and two driving parts, wherein the first connecting rod and the second connecting rod are arranged in parallel, the two driving parts are provided with center holes, one driving part is fixedly connected with a rotating shaft sleeve, the other driving part is fixedly connected with the other rotating shaft sleeve, one end of the first connecting rod is hinged with one driving part, and the other end of the first connecting rod is hinged with the other driving part; one end of the second connecting rod is hinged with one driving piece, and the other end of the second connecting rod is hinged with the other driving piece; and an output shaft of the cylinder is fixedly connected with the first connecting rod or the second connecting rod.

In an optional implementation manner, the chassis further comprises four pressurization oil cylinders mounted on the chassis main body, and the four pressurization oil cylinders are respectively arranged at four corners of the chassis main body; correspondingly, the number of the guide posts is four; the lower end part of each guide post is used as a piston rod and is fixedly connected with a piston of a boosting oil cylinder; and a guide sleeve is arranged on the lower die mounting substrate corresponding to each guide pillar, and the guide pillars are correspondingly inserted into the guide sleeves one by one.

In an optional embodiment, the hot-pressing lower die assembly comprises a lower die plate, a lower heating plate, a lower heat insulation plate, a first vacuum air chamber structure and a lower die fixing plate which are sequentially arranged from top to bottom; the lower die plate is provided with at least one lower die core, and the inner wall of the lower die core is provided with a vent hole communicated with the vacuum cavity of the first vacuum air chamber structure; a vacuum cavity of the first vacuum air chamber structure is externally connected with a vacuumizing device; and the lower die fixing plate is respectively and fixedly connected with the guide pillar and a piston rod of the lifting oil cylinder.

In an alternative embodiment, the first vacuum plenum structure comprises:

a vacuum chamber body having a vacuum chamber formed therein; an air suction opening is formed in one side wall of the vacuum air chamber main body, a pressure relief opening is formed in the other side wall opposite to the air suction opening, the air suction opening is used for being connected with vacuum pumping equipment, and the pressure relief opening is used for being communicated with external air;

the control valve assembly comprises a plugging piece, a second driving mechanism and a second driving mechanism mounting plate; the plugging piece is positioned between the air suction port and the pressure relief port; the second driving mechanism is arranged on the vacuum air chamber main body, and an output shaft of the second driving mechanism penetrates through a second driving mechanism mounting plate to be fixedly connected with the plugging piece; the second driving mechanism is arranged on the pressure relief opening through a second driving mechanism mounting plate; the second driving mechanism mounting plate is also provided with a pressure relief hole communicated with the pressure relief port; the second driving mechanism is used for driving the plugging piece to move linearly so as to switch between a vacuum-pumping state and a pressure-relief state; when the plugging piece is in a vacuumizing state, the plugging piece plugs the pressure relief opening and the pressure relief hole, so that the air suction opening is communicated with the vacuum cavity; when the plugging piece is in a pressure relief state, the air pumping hole is plugged by the plugging piece, so that the atmosphere is communicated with the air guide cavity through the pressure relief hole and the pressure relief hole.

In an optional embodiment, an air guide cavity extends outwards from one side of the vacuum air chamber main body, the air guide cavity is provided with an air guide cavity communicated with the vacuum cavity, the air suction port is arranged on the bottom wall of the air guide cavity, the pressure relief port is arranged on the top wall of the air guide cavity, and the second driving mechanism is mounted on the top wall of the air guide cavity of the vacuum air chamber main body through a second driving mechanism mounting plate; the vacuum air chamber main body comprises a rectangular frame structure formed by fixedly connecting a plurality of hollow rectangular tubes in a sealing manner and side sealing plates arranged on the side surfaces of the rectangular frame structure; any one hollow rectangular pipe is provided with an extension part to form the air guide cavity, and all the hollow rectangular pipes are communicated through connecting holes to form the vacuum cavity.

Compared with the prior art, the invention has the beneficial effects that:

1. the rotary type paper pulp molding hot-pressing shaping device comprises a base and a rotary rack which is rotatably arranged on the base; a plurality of modular hot-pressing shaping mechanisms are uniformly distributed on the outer side of the rotating frame along the circumferential direction of the rotating frame; the modular hot-pressing shaping mechanism comprises a fixed frame, a hot-pressing upper die structure and a hot-pressing lower die structure, wherein the fixed frame is fixedly arranged on the outer side of the rotating rack; the hot-pressing forming die further comprises a power mechanism and a pressurizing mechanism, wherein the power mechanism is used for driving the hot-pressing upper die structure and the hot-pressing lower die structure to realize die closing or die opening, and the pressurizing mechanism is necessary for hot-pressing forming. Therefore, the invention can ensure that a plurality of modularized hot-press shaping mechanisms can simultaneously carry out hot-press shaping production at any time during the working period, and the production efficiency of the whole machine is high. The hot-press shaping working module is integrated, and the performance of the hot-press shaping working module is not influenced by other components except the hot-press shaping working module. The whole machine is stable and reliable in operation, simple and convenient in processing and assembly, and low in comprehensive manufacturing and using cost.

2. The modular hot-pressing shaping mechanism comprises a fixed frame, wherein a lifting channel is formed in the fixed frame along the vertical direction; the hot-pressing upper die structure is fixedly arranged on the fixed frame and is positioned at the upper part of the lifting channel; the hot-pressing upper die structure is provided with an upper die core facing downwards along the vertical direction; the hot-pressing lower die structure comprises a hot-pressing lower die assembly with a lower die core which is upward along the vertical direction, a lower die mounting substrate and a lifting oil cylinder; the hot-pressing lower die assembly is positioned at the lower part of the lifting channel; the lifting oil cylinder drives the hot-pressing lower die assembly to ascend or descend along the vertical direction, so that die closing or die opening is realized between the lower die core and the upper die core; the modularized manufacturing and installation are realized, and the processing, the manufacturing and the maintenance are convenient. Due to the fact that the movable die is arranged below, after the movable die is used for a long time, possible leakage points are located below the die and the product, and the die and the product are prevented from being polluted; in addition, under the conditions of accidental power failure and long-term shutdown, the movable die only can be far away from a die assembly state due to the falling of the dead weight, and the condition of damaging a die and a product can not occur.

3. The hot-pressing lower die structure comprises a hot-pressing lower die assembly, a lower die mounting base plate, a lower die underframe assembly, a guide pillar and a lifting oil cylinder; in the working process, the rotating shaft sleeve is driven to be in an unlocked state by the first driving mechanism, the hot-pressing lower die assembly is driven to move in the vertical direction by the lifting oil cylinder, and the hot-pressing lower die assembly drives the lower die underframe assembly to move in the vertical direction through the guide pillar; after the rotary shaft sleeve is moved to the mold closing position, the first driving mechanism drives the rotary shaft sleeve to be in a locking state, then oil is supplied to a lower cavity of the pressurizing oil cylinder, and the lower chassis body is locked and restrained to be kept still in the locking state, so that the pressurizing oil cylinder provides upward pressure for the hot pressing mold assembly through the guide pillar; therefore, the hydraulic pressure regulating device has the functions of locking and pressurizing, good operation stability and flexible and accurate regulation of the hot-pressing pressure by regulating the hydraulic oil pressure. Because four guide posts are adopted for multi-point pressurization, compared with the single-point pressurization of a single traditional gas-liquid pressurization cylinder, the multi-point pressurization device has the advantages of uniform stress of the die, small mechanical deformation and easy guarantee of product quality.

Drawings

FIG. 1 is a perspective view of a rotary pulp molding hot press molding apparatus in an open mold state according to an embodiment;

FIG. 2 is a side view of the rotary pulp molding hot press molding apparatus in an opened state according to the embodiment;

FIG. 3 is a perspective view of the modular heat press setting mechanism in a clamped state according to an embodiment;

FIG. 4 is a perspective view of the modular heat press molding mechanism in the mold-opened state according to the embodiment;

FIG. 5 is a perspective view of a fixing frame of the embodiment;

fig. 6 is a front view of the fixing frame of the embodiment;

FIG. 7 is a side view of the fixing frame of the embodiment;

FIG. 8 is a perspective view of a hot press lower die structure in an unlocked state of the embodiment;

FIG. 9 is another perspective view of the lower hot press mold structure of the embodiment in an unlocked state;

FIG. 10 is a perspective view of a lower hot press mold structure in a latched state according to the embodiment;

FIG. 11 is another perspective view of the lower hot press mold structure of the embodiment in a locked state;

FIG. 12 is a cross-sectional view of a hot press lower die structure in an unlocked state of the embodiment;

FIG. 13 is another angular cross-sectional view of the hot press lower die structure in an unlocked state of the embodiment;

FIG. 14 is a cross-sectional view of a hot press lower mold structure in a latched state according to the embodiment;

FIG. 15 is another angular cross-sectional view of the lower hot press mold structure in a latched condition according to the embodiment;

FIG. 16 is a schematic structural view of a first vacuum plenum structure of the embodiment;

FIG. 17 is a partial perspective view of the vacuum plenum body of an embodiment;

FIG. 18 is a schematic structural view of a control valve assembly of an embodiment;

FIG. 19 is a cross-sectional view of a lower mold base assembly of an embodiment;

FIG. 20 is a perspective view of a latch mechanism of an embodiment;

FIG. 21 is a perspective view of the connecting shaft of the embodiment;

fig. 22 is a schematic view of a split structure of the shaft sleeve mounting plate, the rotary shaft sleeve, the first connecting rod, the second connecting rod and the driving member according to the embodiment.

In the figure: 10. hot-pressing the lower die assembly; 11. a lower template; 111. a lower die core; 12. a lower heating plate; 13. a lower heat insulation plate; 14. a first vacuum plenum structure; 141. a vacuum chamber body; 1411. a vacuum chamber; 1412. an air extraction opening; 1413. a pressure relief port; 1414. an air guide cavity; 142. a control valve assembly; 1421. a blocking member; 1422. a second drive mechanism; 1423. a second drive mechanism mounting plate; 15. a lower die fixing plate; 20. a lower die mounting base plate; 21. the piston rod penetrates through the jack; 30. a lower mold chassis assembly; 31. a chassis main body; 311. the connecting shaft penetrates through the insertion hole; 32. a shaft sleeve mounting plate; 321. inserting holes; 33. rotating the shaft sleeve; 331. a central through hole; 332. a first spline; 34. a connecting shaft; 341. a second spline; 35. a first drive mechanism; 361. a first link; 362. a second link; 37. a drive member; 38. a booster cylinder; 40. a guide post; 50. lifting the oil cylinder; 60. reinforcing rib plates; 70. a fixed frame; 71. a back plate; 72. a side plate; 721. a side plate body; 722. an extension arm on the side plate; 723. a lower extension arm of the side plate; 73. a lifting channel; 74. a wet embryo inlet and outlet channel; 75. an inner supporting plate; 76. a frame mounting plate; 80. hot-pressing the upper die structure; 81. mounting a template; 82. an upper heating plate; 83. an upper heat insulation plate; 84. a second vacuum plenum structure; 85. an upper die fixing plate; 91. a base; 92. the frame is rotated.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.

In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.