CN115055702A

CN115055702A - Modularization forming box device for laser sintering

Info

Publication number: CN115055702A
Application number: CN202210732900.XA
Authority: CN
Inventors: 郭艳玲; 戴佳铭; 张皓瑜; 郭帅; 李健; 王扬威; 孟德宇; 国一凡
Original assignee: Harbin Ziyou Zhizao Technology Development Co ltd; Northeast Forestry University
Current assignee: Harbin Ziyou Zhizao Technology Development Co ltd; Northeast Forestry University
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-16
Anticipated expiration: 2042-06-27
Also published as: CN115055702B

Abstract

The invention relates to a modularized forming box device for laser sintering, in particular to the technical field of laser sintering, which consists of five parts, namely a forming box frame, a forming box main body, a forming box piston structure, a forming box shell and a forming box hydraulic and electric pipeline system, and is suitable for a working environment; the forming box frame is used as a reference for internal installation and external working environment, the forming box main body realizes providing a working space, the forming box piston structure realizes a layer-by-layer forming function, the forming box shell realizes a dustproof and protection function, and the forming box hydraulic and electric pipeline system realizes the integral lifting control function of the device; the invention solves the problems of low structure modularization degree, poor research adaptability, poor repeated assembly and disassembly, poor process parameter controllability, poor man-machine interaction, poor upgrading maintainability and difficult development to high-flexibility automatic production of the forming box of the existing laser sintering device; the invention belongs to the technical field of additive manufacturing.

Description

Modularization forming box device for laser sintering

Technical Field

The invention relates to the technical field of laser sintering, in particular to a modular forming box device for laser sintering.

Background

The laser sintering technology is one of important technical branches of a rapid prototyping technology, is an additive manufacturing technology with extremely high material utilization rate, and has the consumable material type of powder, and is still in a rapid development period at the present stage, although a relatively complete technical theory exists in the aspect of basic functions, application technical aspects such as a prototyping process, process control, process parameters and the like still have a lot of blanks, and particularly, an ideal technical form does not exist in the aspects such as temperature field control, production process control, post-processing temperature control, on-line monitoring, human-computer interaction friendliness and the like, so that the laser sintering equipment is limited to further process control, refined parameter control, workpiece quality stability control, structural function upgrading, flexible automatic production line development or use facing private properties.

If the existing popular layout form of the double-cylinder or three-cylinder parallel laser sintering machine is adopted, the layout space of the structure is greatly influenced, so that the equipment structure is overlarge, the space efficiency is reduced, the economy is poor, and the energy consumption efficiency is reduced, so that great restrictions are generated on the regulation and the research of the temperature field structure, the forming efficiency is reduced, and the material waste is increased; meanwhile, the laser sintering technical theory is still in a rapid development stage, the existing industrial equipment has complex structural association relation and high integration, is difficult to carry out technical upgrade aiming at a single functional module, and does not have long-term development advantages; and most of the existing industrial equipment are of an integral structure, single functions are difficult to independently divide, operation objects mainly face operation workers, and the existing industrial equipment has natural defects in aspects of production beat control, process control, online monitoring and the like of large-scale production, so that the development of a further high-flexibility automatic production line is limited.

In conclusion, the existing laser sintering equipment has low modularization degree, poor research adaptability, poor repeated assembly and disassembly performance of the structure, poor temperature field regulation and control performance in the sintering process and the post-treatment process, poor controllability of process parameters, poor man-machine interaction, poor upgrading and maintenance performance and is difficult to adapt to the development of a high-flexibility automatic production line.

Disclosure of Invention

The invention aims to provide a modular forming box device for laser sintering, aiming at the problems that the modular degree of the forming box structure of the laser sintering device is low, the adaptability is poor, the repeated assembly and disassembly performance of the whole structure is poor, the temperature field regulation and control performance in the sintering process and the post-treatment process is poor, the controllability of process parameters is poor, the man-machine interaction is poor, the upgrading maintenance performance is poor, and the development of a high-flexibility automatic production line is difficult to adapt.

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

a modular forming box device for laser sintering, comprising: become moulding box frame 1, become moulding box main part 2, become moulding box piston structure 3, become moulding box shell 4 and become moulding box liquid electric pipe-line system 5, become moulding box main part 2 become moulding box piston structure 3 with become moulding box liquid electric pipe-line system 5 and all install become on the moulding box frame 1, become and install on the moulding box frame 1 become moulding box shell 4.

The above-mentioned modular forming box device for laser sintering, wherein, the forming box frame 1 includes:

the welding structure comprises second welding steel pipes 1-7 and third welding steel pipes 1-10, wherein four second welding steel pipes 1-7 are vertically arranged, a plurality of third welding steel pipes 1-10 are horizontally arranged, the top ends of any two adjacent second welding steel pipes 1-7 are connected through one third welding steel pipe 1-10, the middle parts of any two adjacent second welding steel pipes 1-7 are connected through one third welding steel pipe 1-10, the bottom ends of any two adjacent second welding steel pipes 1-7 are connected through one third welding steel pipe 1-10, and a three-layer rectangular frame structure with a top layer, a middle layer and a bottom layer is formed by the plurality of second welding steel pipes 1-7 and the plurality of third welding steel pipes 1-10;

the core reference positioning plate 1-3 is arranged on the rectangular frame structure, and each side of the core reference positioning plate 1-3 is connected with one third welded steel pipe 1-10 positioned in the middle layer;

the device comprises a guide reference welding block 1-1 and a forming box external positioning piece 1-2, wherein the guide reference welding block 1-1 is arranged on each of two second welding steel pipes 1-7 positioned on the front surface of a rectangular frame structure, and each guide reference welding block 1-1 is provided with one forming box external positioning piece 1-2;

the welding structure comprises first welding steel pipes 1-4, wherein the first welding steel pipes 1-4 are arranged on two side faces of a rectangular frame structure, and each first welding steel pipe 1-4 is connected with one third welding steel pipe 1-10;

the displacement sensor fixing frame comprises a displacement sensor fixing frame 1-5 and a self-resetting displacement sensor 1-6, wherein one displacement sensor fixing frame 1-5 is installed on each first welded steel pipe 1-4, and one self-resetting displacement sensor 1-6 is installed on each displacement sensor fixing frame 1-5;

the powder box comprises powder box main body lower part fixing frames 1-11 and functional reference welding blocks 1-28, wherein each corner of a core reference positioning plate 1-3 is connected with one powder box main body lower part fixing frame 1-11 through one functional reference welding block 1-28;

the powder box comprises powder box main bodies and cable fixing seats 1-16, wherein each powder box main body lower fixing frame 1-11 is connected with one cable fixing seat 1-16;

the core datum positioning plate comprises limit switch fixing frames 1-13, limit switches 1-14 and grating ruler fixed end connecting frames 1-15, the grating ruler fixed end connecting frames 1-15 are installed on a core datum positioning plate 1-3, at least one limit switch fixing frame 1-13 is installed on the lower surface of the core datum positioning plate 1-3 and each grating ruler fixed end connecting frame 1-15, and one limit switch 1-14 is installed on each limit switch fixing frame 1-13;

the heat insulation plate fixing frames 1-12 are arranged, and two heat insulation plate fixing frames 1-12 are arranged on each second welding steel pipe 1-7;

the powder box comprises powder box main body upper part fixing frames 1-8 and sheet metal positioning blocks 1-9, the top end of each second welded steel pipe 1-7 is connected with one powder box main body upper part fixing frame 1-8, and the top end of each second welded steel pipe 1-7 is connected with at least one sheet metal positioning block 1-9.

The above-mentioned modular forming box device for laser sintering, wherein, the forming box frame 1 further includes:

the universal caster comprises universal casters 1-21 and fixed casters 1-22, wherein the fixed casters 1-22 are arranged at two corners of the front surface of the bottom layer of the rectangular frame structure, and the universal casters 1-21 are arranged at two corners of the back surface of the bottom layer of the rectangular frame structure;

the device comprises a first caster welding fixing frame 1-17, a second caster welding fixing frame 1-19, a third caster welding fixing frame 1-20 and a fourth caster welding fixing frame 1-23, wherein the first caster welding fixing frame 1-17, the second caster welding fixing frame 1-19, the third caster welding fixing frame 1-20 and the fourth caster welding fixing frame 1-23 are all connected with the bottom layer of a rectangular frame structure;

the hydraulic valve fixing parts 1-18 are mounted on the rectangular frame structure, and the hydraulic valve fixing parts 1-18 are mounted on the rectangular frame structure;

the device comprises micro cylinders 1-24, self-locking cylinder seats 1-25, fourth welding steel pipes 1-26 and hydraulic cylinder self-locking joints 1-27, wherein each first welding steel pipe 1-4 is provided with one fourth welding steel pipe 1-26, each fourth welding steel pipe 1-26 is provided with at least one self-locking cylinder seat 1-25, each self-locking cylinder seat 1-25 is provided with one micro cylinder 1-24, and the driving end of each micro cylinder 1-24 is connected with one hydraulic cylinder self-locking joint 1-27.

The above-mentioned modularization shaping case device for laser sintering, wherein, shaping case main part 2 is located between the top layer and the middle level of rectangular frame structure, shaping case main part 2 includes:

the cavity body plate comprises a first inner cavity plate 2-1 and a second inner cavity plate 2-3, wherein a rectangular tubular structure is formed by encircling two first inner cavity plates 2-1 which are oppositely arranged and two second inner cavity plates 2-3 which are oppositely arranged, and each side edge of the first inner cavity plate 2-1 is connected with the side edge of one second inner cavity plate 2-3;

a first polyimide heating sheet 2-2, wherein a plurality of first polyimide heating sheets 2-2 are mounted on each second inner cavity plate 2-3, a plurality of first polyimide heating sheets 2-2 located on any one of the second inner cavity plates 2-3 are arranged in a matrix, a plurality of first polyimide heating sheets 2-2 are mounted on each first inner cavity plate 2-1, and a plurality of first polyimide heating sheets 2-2 located on any one of the first inner cavity plates 2-1 are arranged in a matrix;

and each first inner cavity plate 2-1 is provided with one insulation plate 2-4.

The above-mentioned modularization forming box device for laser sintering, wherein, the forming box piston structure 3 is located between the top layer and the middle level of rectangle frame construction, the forming box piston structure 3 is located in the rectangle tubular structure, the forming box piston structure 3 includes:

the core datum positioning plate comprises a screw power unit 3-11 and a power screw 3-9, wherein the screw power unit 3-11 is installed on the core datum positioning plate 1-3, the lower end of the power screw 3-9 is connected with the screw power unit 3-11, and the power screw 3-9 is vertically arranged;

the piston plate comprises a piston plate cushion block 3-1, a piston plate working surface 3-2, a second polyimide heating sheet 3-3, a sealing felt 3-4, a piston bottom plate 3-5 and a piston plate installation reference seat 3-6, the upper end of a power screw 3-9 is connected with the piston plate installation reference seat 3-6, the piston plate cushion block 3-1 and the sealing felt 3-4 are arranged between the second polyimide heating sheet 3-3 and the piston bottom plate 3-5, the piston plate working surface 3-2 is arranged above the second polyimide heating sheet 3-3, the piston bottom plate 3-5 is arranged above the piston plate installation reference seat 3-6, the piston plate cushion block 3-1, the piston plate working surface 3-2 and the second polyimide heating sheet 3-3, The sealing felt 3-4, the piston bottom plate 3-5 and the piston plate mounting reference seat 3-6 are fixedly connected through bolts;

the core datum positioning plate 1-3 is provided with at least one guide linear bearing 3-12, each guide linear bearing 3-12 is internally provided with one movable guide shaft 3-8, and the upper end of each movable guide shaft 3-8 is connected with the piston plate mounting datum base 3-6;

the movable end fixing frame 3-7 of the grating ruler and the grating ruler 3-10 are arranged on the lower surface of the piston plate mounting reference base 3-6, the movable end fixing frame 3-7 of the grating ruler is arranged on the lower surface of the piston plate mounting reference base 3-6, the upper end of the grating ruler 3-10 is connected with the movable end fixing frame 3-7 of the grating ruler, and the lower end of the grating ruler 3-10 is connected with the core reference positioning plate 1-3.

In the above-mentioned modular forming box device for laser sintering, the forming box housing 4 is disposed outside the rectangular frame structure, and the forming box housing 4 includes:

the front sheet metal shell 4-6 is arranged on the front surface of the rectangular frame structure;

the upper metal plate shell 4-4 is arranged at the upper part of the rectangular frame structure, and the upper metal plate shell 4-4 is arranged at the upper part of the rectangular frame structure;

the lower metal plate shell 4-9 is arranged at the lower part of the rectangular frame structure, and the lower metal plate shell 4-9 is arranged at the lower part of the rectangular frame structure;

the bottom dustproof sheet metal 4-8 is arranged at the bottom layer of the rectangular frame structure;

the inner isolation metal plate 4-7 is connected with the lower end of the inner isolation metal plate 4-7 and the bottom dustproof metal plate 4-8, and the upper end of the inner isolation metal plate 4-7 is connected with the core datum positioning plate 1-3.

The above-mentioned modular forming box device for laser sintering, wherein, the forming box housing 4 further includes:

the heavy aerial plug 4-10, the compressed air input port 4-11 and the connector interface fixing plate 4-12 are arranged, the heavy aerial plug 4-10 and the compressed air input port 4-11 are arranged behind a rectangular frame structure, the connector interface fixing plate 4-12 is arranged on the bottom dustproof sheet metal 4-8, and the heavy aerial plug 4-10 and the compressed air input port 4-11 are arranged on the connector interface fixing plate 4-12;

the handle 4-5 is arranged on the upper metal plate shell 4-4, at least one handle 4-5 is arranged on the upper metal plate shell 4-4, and the handles 4-5 are arranged behind the rectangular frame structure;

the sealing strip pressing plate comprises a sealing strip 4-1, a polytetrafluoroethylene guide block 4-2 and a top sealing strip pressing plate 4-3, wherein the top sealing strip pressing plate 4-3 is connected with an upper metal plate shell 4-4 through the sealing strip 4-1, and the polytetrafluoroethylene guide block 4-2 is installed on the top sealing strip pressing plate 4-3.

The above-mentioned modularization forming box device for laser sintering, wherein, forming box liquid electric piping system 5 locates in the rectangular frame structure, forming box liquid electric piping system 5 includes:

the system comprises a micro pump station 5-1 and a hydraulic pipeline tee joint 5-2, wherein at least two micro pump stations 5-1 are arranged behind the middle layer of a rectangular frame structure, and each micro pump station 5-1 is provided with at least one hydraulic pipeline tee joint 5-2;

the welding device comprises mini hydraulic cylinders 5-3, hydraulic cylinder adjusting cushion blocks 5-4, hydraulic cylinder connectors 5-5, guide pin shafts 5-6 and hydraulic cylinder action blocks 5-7, wherein the cylinder body of each mini hydraulic cylinder 5-3 is connected with the upper surface of a first welded steel pipe 1-4 through one hydraulic cylinder adjusting cushion block 5-4, the cylinder rod of each mini hydraulic cylinder 5-3 is connected with one hydraulic cylinder action block 5-7 through one hydraulic cylinder connector 5-5, and each hydraulic cylinder action block 5-7 is connected with one first welded steel pipe 1-4 through a plurality of guide pin shafts 5-6;

the heavy-duty aerial plug comprises two-position five-way pneumatic solenoid valves 5-16 and gas manifold plates 5-17, wherein the gas manifold plates 5-17 are installed on the bottom layer of a rectangular frame structure, the two-position five-way pneumatic solenoid valves 5-16 are installed on the gas manifold plates 5-17, and each two-position five-way pneumatic solenoid valve 5-16 is connected with the heavy-duty aerial plug 4-10 through a line;

the hydraulic control system comprises three-position four-way hydraulic solenoid valves 5-14 and vertical hydraulic gauges 5-15, wherein each three-position four-way hydraulic solenoid valve 5-14 is installed on one hydraulic valve fixing piece 1-18, each three-position four-way hydraulic solenoid valve 5-14 is installed with one vertical hydraulic gauge 5-15, and each three-position four-way hydraulic solenoid valve 5-14 is connected with the heavy aerial connector 4-10 through a line.

The above-mentioned modular forming box device for laser sintering, wherein, the forming box liquid electric pipe-line system 5 further includes:

a plurality of gas-liquid pipelines 5-12 and at least one hydraulic valve oil circuit block 5-13, wherein the gas manifold 5-17 and the compressed air input port 4-11 are communicated through one gas-liquid pipeline 5-12, each micro cylinder 1-24 and the two-position five-way pneumatic solenoid valve 5-16 are communicated through one gas-liquid pipeline 5-12, and each micro hydraulic cylinder 5-3 and one hydraulic valve oil circuit block 5-13 are communicated through one gas-liquid pipeline 5-12;

at least one hydraulic pipeline angle joint 5-8, at least one horizontal hydraulic meter 5-9, at least one hydraulic throttle valve 5-10 and at least one hydraulic pipe diameter adapter 5-11, each hydraulic pipeline tee joint 5-2 is provided with one hydraulic pipeline angle joint 5-8, one horizontal hydraulic meter 5-9 and one hydraulic throttle valve 5-10, each hydraulic throttle valve 5-10 is provided with one hydraulic pipe diameter adapter 5-11, each hydraulic pipe diameter adapter 5-11 and one three-position four-way hydraulic electromagnetic valve 5-14 are communicated through one gas-liquid pipeline 5-12, and each hydraulic pipeline angle joint 5-8 and one three-position four-way hydraulic electromagnetic valve 5-14 are communicated through one gas-liquid pipeline 5-12.

Foretell laser sintering is with modularization shaping case device, wherein, laser sintering is with modularization shaping case device to outer operational environment adaptation in operational environment clamping device 6, operational environment clamping device 6 includes: the device comprises a longitudinal positioning guide rail 6-1, locking cylinders 6-2 and a working table top 6-3, wherein a working environment clamping device 6 is arranged on the front face of a rectangular frame structure, two rows of the longitudinal positioning guide rails 6-1 are arranged on the working environment clamping device 6, two locking cylinders 6-2 are mounted on each row of the longitudinal positioning guide rails 6-1, the locking cylinders 6-2 can operatively slide along the guide rails connected with the locking cylinders, and each locking cylinder 6-2 is operatively and adaptively connected with one forming box external positioning part 1-2; the working environment clamping device 6 is provided with the working table surface 6-3, and the working table surface 6-3 can be operably abutted against the upper surface of the rectangular frame structure.

Due to the adoption of the technology, compared with the prior art, the invention has the following positive effects:

(1) the invention realizes the integral modularization of the forming box in the laser sintering function, can be integrally moved and taken out, can effectively repeat positioning connection and installation, and can realize the integral replacement of continuous production;

(2) according to the invention, the heating sheets and the temperature sensors are arranged on the periphery of the forming box main body, so that temperature regulation and control can be carried out, and further, different heating sheet arrangement forms and temperature monitoring arrangement forms can be replaced according to requirements, so that the modularized forming box device has good regulation and control and monitoring range, the control and detection freedom degree is greatly improved, a powerful platform guarantee is provided for the online monitoring of the laser sintering process, the forming box main body has higher independence, the forming box main body is beneficial to the application of heat sources of different types and different thermal principle layout schemes, and the research and the application popularization of a temperature field in the laser sintering process are facilitated;

(3) in the invention, the power source diversification is adopted, the integral lifting motion of the modularized forming box device can be efficiently achieved by utilizing the independent hydraulic circuit, the space occupation is small, the size and the quality of the component are low, the economy of the device is improved, and the pneumatic self-locking device is further adopted, so that the control efficiency is effectively improved, the structure size can be reduced, and the high reliability of the integral motion is achieved;

(4) according to the invention, a worm gear and worm form is adopted as the main power, and a grating ruler is adopted as the closed loop correction, so that a small-volume high-power high-precision piston motion scheme is achieved, the worm gear and worm is just adapted to the working conditions of medium and low speed and medium and low load of the laser sintering equipment, the integral repeatable disassembly and assembly and sealing structure can conveniently perform cleaning operation, the man-machine interaction is facilitated, and the operation space has good integrity and good cleanliness.

Drawings

Fig. 1 is a schematic structural view of a modular forming box device for laser sintering according to the present invention.

Fig. 2 is a schematic structural view of a molding box frame of the modular molding box apparatus for laser sintering of the present invention.

Fig. 3 is a right side view of a forming box frame of a modular forming box apparatus for laser sintering of the present invention.

Fig. 4 is a schematic structural view of a forming box main body of the modular forming box device for laser sintering of the present invention.

Fig. 5 is a schematic structural diagram of a forming box piston structure of the modular forming box device for laser sintering of the invention.

Fig. 6 is a sectional view of a piston structure of a forming box of the modular forming box apparatus for laser sintering of the present invention.

Fig. 7 is a partially enlarged view of the sealing felt of the piston structure of the forming box of the modular forming box device for laser sintering according to the present invention.

Fig. 8 is a schematic structural diagram of a molding box hydraulic-electric pipeline system of the modular molding box device for laser sintering of the present invention.

Fig. 9 is a rear view of the forming box hydraulic-electric piping system of the modular forming box apparatus for laser sintering of the present invention.

Fig. 10 is a right side view of the forming box hydraulic-electric piping system of the modular forming box apparatus for laser sintering of the present invention.

Fig. 11 is a partially enlarged view of a mini hydraulic cylinder of a molding box hydraulic-electric piping system of the modular molding box device for laser sintering according to the present invention.

Fig. 12 is a schematic view showing the mounting position of the mini hydraulic cylinder of the molding box hydraulic-electric piping system of the modular molding box device for laser sintering according to the present invention.

Fig. 13 is a front view of a mold box housing of a modular mold box apparatus for laser sintering of the present invention.

Fig. 14 is a left side view of a forming box housing of a modular forming box apparatus for laser sintering of the present invention.

Fig. 15 is a partially enlarged view of a seal strip of a molding box housing of a modular molding box apparatus for laser sintering of the present invention.

Fig. 16 is a schematic structural view of a fixing plate of a connector interface of a molding box housing of a modular molding box apparatus for laser sintering according to the present invention.

Fig. 17 is a hydraulic schematic diagram of a modular forming box apparatus for laser sintering according to the present invention.

Fig. 18 is a schematic view showing the connection position of the work environment holding means of the modular forming box apparatus for laser sintering according to the present invention.

Fig. 19 is a partially enlarged view of the working environment of a modular forming box apparatus for laser sintering of the present invention.

Fig. 20 is a schematic top view of the working environment of a modular forming box assembly for laser sintering in accordance with the present invention.

Fig. 21 is a view showing an embodiment of a modular forming box apparatus for laser sintering according to the present invention.

In the drawings: 1. forming a box frame; 2. forming a box main body; 3. forming a box piston structure; 4. forming a box housing; 5. forming a box hydraulic-electric pipeline system; 6. a working environment clamping device; 1-1, guiding a reference welding block; 1-2, forming an external positioning piece of the box; 1-3, a core datum positioning plate; 1-4, first welding a steel pipe; 1-5, a displacement sensor fixing frame; 1-6, a self-resetting displacement sensor; 1-7, second welding steel pipes; 1-8, fixing a frame at the upper part of the powder box main body; 1-9, metal plate positioning blocks; 1-10, and thirdly welding a steel pipe; 1-11, a powder box main body lower part fixing frame; 1-12, a heat insulation plate fixing frame; 1-13, limit switch fixing frame; 1-14, limit switch; 1-15, a grating ruler fixed end connecting frame; 1-16, a cable fixing seat; 1-17, welding a first caster to the fixed frame; 1-18, hydraulic valve fixing parts; 1-19, welding a second caster wheel with a fixed frame; 1-20, welding a fixing frame by a third caster; 1-21, universal caster wheels; 1-22, fixing a caster; 1-23, welding a fixed frame by a fourth caster; 1-24, a microcylinder; 1-25, self-locking cylinder seat; 1-26, fourth welded steel pipe; 1-27, a hydraulic cylinder self-locking joint; 1-28, functional reference welding blocks; 2-1, a first inner cavity plate; 2-2, a first polyimide heating sheet; 2-3, a second inner cavity plate; 2-4, heat insulation boards; 3-1, piston plate cushion blocks; 3-2, piston plate working surface; 3-3, a second polyimide heating sheet; 3-4, sealing the felt; 3-5, a piston bottom plate; 3-6, installing a reference seat on the piston plate; 3-7, a grating ruler movable end fixing frame; 3-8, moving a guide shaft; 3-9, a power screw rod; 3-10 parts of a grating ruler; 3-11, a screw power unit; 3-12, guiding a linear bearing; 4-1, sealing strips; 4-2, a polytetrafluoroethylene guide block; 4-3, pressing a top sealing strip plate; 4-4, an upper sheet metal shell; 4-5, a handle; 4-6, a front sheet metal shell; 4-7, an internal isolation metal plate; 4-8, bottom dustproof metal plates; 4-9 parts of a lower sheet metal shell; 4-10 parts of heavy aerial connector; 4-11, a compressed air input port; 4-12, connecting piece interface fixing plate; 5-1, a micro pump station; 5-2, a hydraulic pipeline tee joint; 5-3, a mini hydraulic cylinder; 5-4, adjusting cushion blocks by using hydraulic cylinders; 5-5, a hydraulic cylinder connector; 5-6, a guide pin shaft; 5-7, a hydraulic cylinder action block; 5-8, hydraulic pipeline angle joint; 5-9, a horizontal hydraulic gauge; 5-10 parts of hydraulic throttle valve; 5-11, hydraulic pipe diameter adapter; 5-12, gas-liquid pipeline; 5-13, hydraulic valve oil path block; 5-14, three-position four-way hydraulic electromagnetic valve; 5-15, a vertical hydraulic gauge; 5-16, two-position five-way pneumatic electromagnetic valve; 5-17, a gas manifold plate; 6-1, longitudinally positioning a guide rail; 6-2, locking a cylinder; 6-3, a working table.

Detailed Description

The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

Referring to FIGS. 1 to 21, shown therein

A modular forming box device for laser sintering, comprising: forming box frame 1, forming box main part 2, forming box piston structure 3, forming box shell 4 and forming box liquid electric pipe-line system 5, forming box main part 2, forming box piston structure 3 and forming box liquid electric pipe-line system 5 all install on forming box frame 1, install forming box shell 4 on the forming box frame 1.

Further, in a preferred embodiment, the forming box frame 1 comprises:

the steel tube welding structure comprises second welding steel tubes 1-7 and third welding steel tubes 1-10, wherein four second welding steel tubes 1-7 are vertically arranged, a plurality of third welding steel tubes 1-10 are horizontally arranged, the top ends of any two adjacent second welding steel tubes 1-7 are connected through one third welding steel tube 1-10, the middle parts of any two adjacent second welding steel tubes 1-7 are connected through one third welding steel tube 1-10, the bottom ends of any two adjacent second welding steel tubes 1-7 are connected through one third welding steel tube 1-10, and a three-layer rectangular frame structure with a top layer, a middle layer and a bottom layer is formed by the plurality of second welding steel tubes 1-7 and the plurality of third welding steel tubes 1-10;

the core datum positioning plate comprises core datum positioning plates 1-3, the core datum positioning plates 1-3 are installed on a rectangular frame structure, and each side of each core datum positioning plate 1-3 is connected with a third welded steel pipe 1-10 located in the middle layer;

the device comprises first welded steel pipes 1-4, wherein the first welded steel pipes 1-4 are arranged on two side faces of a rectangular frame structure, and each first welded steel pipe 1-4 is connected with one third welded steel pipe 1-10;

the device comprises a displacement sensor fixing frame 1-5 and a self-resetting displacement sensor 1-6, wherein a displacement sensor fixing frame 1-5 is installed on each first welding steel pipe 1-4, and a self-resetting displacement sensor 1-6 is installed on each displacement sensor fixing frame 1-5;

the lower fixing frame 1-11 of the powder box main body and the functional reference welding blocks 1-28 are connected, and each corner of the core reference positioning plate 1-3 is connected with one lower fixing frame 1-11 of the powder box main body through one functional reference welding block 1-28;

the powder box comprises cable fixing seats 1-16, wherein a cable fixing seat 1-16 is connected to a fixing frame 1-11 at the lower part of each powder box main body;

the limiting switch fixing frame comprises limiting switch fixing frames 1-13, limiting switches 1-14 and grating ruler fixed end connecting frames 1-15, the grating ruler fixed end connecting frames 1-15 are installed on core reference positioning plates 1-3, at least one limiting switch fixing frame 1-13 is installed on the lower surface of each core reference positioning plate 1-3 and each grating ruler fixed end connecting frame 1-15, and each limiting switch fixing frame 1-13 is provided with one limiting switch 1-14;

the heat insulation plate fixing frames 1-12 are respectively provided with two heat insulation plate fixing frames 1-12 on each second welding steel pipe 1-7;

Further, in a preferred embodiment, the forming box frame 1 further comprises:

the first caster welding fixing frame 1-17, the second caster welding fixing frame 1-19, the third caster welding fixing frame 1-20 and the fourth caster welding fixing frame 1-23 are connected with the bottom layer of the rectangular frame structure;

the hydraulic valve fixing parts 1-18 are arranged on the rectangular frame structure;

the device comprises micro cylinders 1-24, self-locking cylinder seats 1-25, fourth welded steel pipes 1-26 and hydraulic cylinder self-locking joints 1-27, wherein each first welded steel pipe 1-4 is provided with one fourth welded steel pipe 1-26, each fourth welded steel pipe 1-26 is provided with at least one self-locking cylinder seat 1-25, each self-locking cylinder seat 1-25 is provided with one micro cylinder 1-24, and the driving end of each micro cylinder 1-24 is connected with one hydraulic cylinder self-locking joint 1-27.

Further, in a preferred embodiment, the forming box body 2 is disposed between the top and middle layers of the rectangular frame structure, and the forming box body 2 includes:

the first inner cavity plate 2-1 and the second inner cavity plate 2-3 form a rectangular tubular structure by surrounding two first inner cavity plates 2-1 which are oppositely arranged and two second inner cavity plates 2-3 which are oppositely arranged, and each side edge of the first inner cavity plate 2-1 is connected with the side edge of one second inner cavity plate 2-3;

the first polyimide heating plates 2-2 are arranged on each second inner cavity plate 2-3, the first polyimide heating plates 2-2 on any one second inner cavity plate 2-3 are arranged in a matrix mode, the first polyimide heating plates 2-2 on any one first inner cavity plate 2-1 are arranged in a matrix mode, and the first polyimide heating plates 2-2 on any one first inner cavity plate 2-1 are arranged in a matrix mode;

and each first inner cavity plate 2-1 is provided with an insulation plate 2-4.

Further, in a preferred embodiment, the forming box piston structure 3 is disposed between the top and middle layers of the rectangular frame structure, the forming box piston structure 3 is disposed within the rectangular tube structure, and the forming box piston structure 3 includes:

the device comprises a screw power unit 3-11 and a power screw 3-9, wherein the screw power unit 3-11 is arranged on a core reference positioning plate 1-3, the lower end of the power screw 3-9 is connected with the screw power unit 3-11, and the power screw 3-9 is vertically arranged;

3-1 parts of piston plate cushion blocks, 3-2 parts of piston plate working surfaces, 3-3 parts of second polyimide heating sheets, 3-4 parts of sealing felts, 3-5 parts of piston bottom plates and 3-6 parts of piston plate mounting reference seats, wherein the upper ends of power lead screws 3-9 are connected with the 3-6 parts of the piston plate mounting reference seats, the 3-1 parts of the piston plate cushion blocks and the 3-4 parts of the sealing felts are arranged between the 3-3 parts of the second polyimide heating sheets and the 3-5 parts of the piston bottom plates, the 3-2 parts of the piston plate working surfaces are arranged above the 3-3 parts of the second polyimide heating sheets, the 3-5 parts of the piston bottom plates are arranged above the 3-6 parts of the piston plate mounting reference seats, the 3-1 parts of the piston plate cushion blocks, 3-2 parts of the piston plate working surfaces, 3-3 parts of the second polyimide heating sheets and 3-4 parts of the sealing felts, The piston bottom plate 3-5 and the piston plate mounting reference seat 3-6 are fixedly connected through bolts;

the core datum positioning plate comprises moving guide shafts 3-8 and guide linear bearings 3-12, wherein at least one guide linear bearing 3-12 is arranged on a core datum positioning plate 1-3, one moving guide shaft 3-8 is arranged in each guide linear bearing 3-12, and the upper end of each moving guide shaft 3-8 is connected with a piston plate mounting datum base 3-6;

Further, in a preferred embodiment, the mold box housing 4 is disposed outside the rectangular frame structure, and the mold box housing 4 includes:

the bottom dustproof sheet metal 4-8 is arranged on the bottom layer of the rectangular frame structure;

Further, in a preferred embodiment, the forming box housing 4 further comprises:

the heavy aerial plug 4-10, the compressed air input port 4-11 and the connector interface fixing plate 4-12 are arranged on the back of the rectangular frame structure, the connector interface fixing plate 4-12 is arranged on a bottom dustproof sheet metal 4-8, and the heavy aerial plug 4-10 and the compressed air input port 4-11 are arranged on the connector interface fixing plate 4-12;

the handle 4-5, the upper sheet metal shell 4-4 is equipped with at least one handle 4-5, the plurality of handles 4-5 are all arranged behind the rectangular frame structure;

Further, in a preferred embodiment, the forming box hydraulic and electric piping system 5 is disposed within a rectangular frame structure, and the forming box hydraulic and electric piping system 5 includes:

the system comprises a micro pump station 5-1 and a hydraulic pipeline tee joint 5-2, wherein at least two micro pump stations 5-1 are arranged behind the middle layer of the rectangular frame structure, and each micro pump station 5-1 is provided with at least one hydraulic pipeline tee joint 5-2;

the device comprises two-position five-way pneumatic electromagnetic valves 5-16 and a gas collecting plate 5-17, wherein the gas collecting plate 5-17 is installed at the bottom layer of a rectangular frame structure, the two-position five-way pneumatic electromagnetic valves 5-16 are installed on the gas collecting plate 5-17, and each two-position five-way pneumatic electromagnetic valve 5-16 is connected with a heavy aerial connector 4-10 through a circuit;

the hydraulic control system comprises three-position four-way hydraulic electromagnetic valves 5-14 and vertical hydraulic gauges 5-15, wherein each three-position four-way hydraulic electromagnetic valve 5-14 is installed on a hydraulic valve fixing piece 1-18, each three-position four-way hydraulic electromagnetic valve 5-14 is installed with one vertical hydraulic gauge 5-15, and each three-position four-way hydraulic electromagnetic valve 5-14 is connected with a heavy aerial connector 4-10 through a circuit.

Further, in a preferred embodiment, the forming box electro-hydraulic tubing system 5 further comprises:

the system comprises a plurality of gas-liquid pipelines 5-12 and at least one hydraulic valve oil circuit block 5-13, wherein a gas collecting plate 5-17 is communicated with a compressed air input port 4-11 through one gas-liquid pipeline 5-12, each micro cylinder 1-24 is communicated with a two-position five-way pneumatic electromagnetic valve 5-16 through one gas-liquid pipeline 5-12, and each micro cylinder 5-3 is communicated with one hydraulic valve oil circuit block 5-13 through one gas-liquid pipeline 5-12;

the hydraulic pipeline hydraulic control system comprises at least one hydraulic pipeline angle joint 5-8, at least one horizontal hydraulic meter 5-9, at least one hydraulic throttle valve 5-10 and at least one hydraulic pipe diameter adapter 5-11, wherein each hydraulic pipeline tee joint 5-2 is provided with one hydraulic pipeline angle joint 5-8, one horizontal hydraulic meter 5-9 and one hydraulic throttle valve 5-10, each hydraulic throttle valve 5-10 is provided with one hydraulic pipe diameter adapter 5-11, each hydraulic pipe diameter adapter 5-11 is communicated with one three-position four-way hydraulic electromagnetic valve 5-14 through one gas-liquid pipeline 5-12, and each hydraulic pipeline angle joint 5-8 is communicated with one three-position four-way hydraulic electromagnetic valve 5-14 through one gas-liquid pipeline 5-12.

Further, in a preferred embodiment, the modular forming box device for laser sintering is adapted to the working environment holding device 6 to the external working environment, and the working environment holding device 6 includes: the device comprises longitudinal positioning guide rails 6-1, locking cylinders 6-2 and a working table top 6-3, a working environment clamping device 6 is arranged on the front face of a rectangular frame structure, two rows of longitudinal positioning guide rails 6-1 are arranged on the working environment clamping device 6, two locking cylinders 6-2 are arranged on each row of longitudinal positioning guide rails 6-1, the locking cylinders 6-2 can operatively slide along the guide rails connected with the locking cylinders, and each locking cylinder 6-2 is operatively connected with one forming box external positioning part 1-2 in an adaptive manner; the working environment clamping device 6 is provided with a working table surface 6-3, and the working table surface 6-3 is operably propped against the upper surface of the rectangular frame structure. The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.

The present invention also has the following embodiments in addition to the above:

in a further embodiment of the present invention, a modular forming box apparatus for laser sintering comprises: the device comprises a forming box frame 1, a forming box main body 2, a forming box piston structure 3, a forming box shell 4, a forming box hydraulic and electric pipeline system 5, and a working environment clamping device 6 suitable for external working conditions; the forming box frame 1 is an installation reference of 3 parts of a forming box main body 2, a forming box piston structure 3 and a forming box hydraulic and electric pipeline system 5; the forming box frame 1 is also a working reference connected with the working environment clamping device 6; the molding box frame 1, the molding box body 2, the molding box piston structure 3 and the molding box shell 4 are all wrapped by the molding box shell 4 except for a reference part related to the molding box frame 1 in a working environment clamping device 6.

In a further embodiment of the invention, the forming box frame 1 comprises: 1-1 part of guide reference welding block, 1-2 parts of external positioning part of forming box, 1-3 parts of core reference positioning plate, 1-4 parts of first welding steel pipe, 1-5 parts of displacement sensor fixing frame, 1-6 parts of self-reset displacement sensor, 1-7 parts of second welding steel pipe, 1-8 parts of powder box main body upper fixing frame, 1-9 parts of sheet metal positioning block, 1-10 parts of third welding steel pipe, 1-11 parts of powder box main body lower fixing frame, 1-12 parts of heat insulation board fixing frame, 1-13 parts of limit switch fixing frame, 1-14 parts of limit switch, 1-15 parts of grating ruler fixing end connecting frame, 1-16 parts of cable fixing frame, 1-17 parts of first caster welding fixing frame, 1-18 parts of hydraulic valve fixing frame, 1-19 parts of second caster welding fixing frame, 1-20 parts of third caster welding fixing frame, and the like, 1-21 parts of universal caster wheels, 1-22 parts of fixed caster wheels, 1-23 parts of fourth caster wheel welding fixed frames, 1-24 parts of micro cylinders, 1-25 parts of self-locking cylinder bases, 1-26 parts of fourth welding steel pipes, 1-27 parts of hydraulic cylinder self-locking joints and 1-28 parts of functional reference welding blocks; the forming box frame 1 is characterized in that a second welding steel pipe 1-7 which is longitudinally arranged in an array mode and a third welding steel pipe 1-10 which is divided into three layers and arranged in a horizontal array mode are taken as a main body, and a first welding steel pipe 1-4, a second welding steel pipe 1-7, a sheet metal positioning block 1-9, a first caster welding fixing frame 1-17, a second caster welding fixing frame 1-19, a third caster welding fixing frame 1-20, a fourth caster welding fixing frame 1-23, a fourth welding steel pipe 1-26 and a functional reference welding block 1-28 are fixedly connected in a welding mode to form a frame structure of the main body; 4 functional reference welding blocks 1-28 corresponding to the upper part of the middle layer frame are fixed in a welding mode; the grating ruler fixed end connecting frame 1-15 is arranged at a rectangular hole on the upper surface of the core datum positioning plate 1-3 and is fixed in a bolt connection mode; 2 groups of 4 limit switch fixing frames 1-13 and 4 limit switches 1-14 are respectively arranged at the upper part of the connecting frame 1-15 at the fixed end of the grating ruler and the bottom of the corresponding core datum positioning plate 1-3, and each group of limit switches 1-14 has a certain height distance in the height direction; 4 self-locking cylinder bases 1-25 and 4 micro cylinders 1-24 are arranged on the lower surface of the frame welded on the two symmetrical sides of the middle layer frame in a mirror symmetry mode, 4 hydraulic cylinder self-locking joints 1-27 are arranged on the extending end parts of the micro cylinders 1-24, wherein the lower surfaces of the hydraulic cylinder self-locking joints 1-27 are formed by symmetrically arranging 2 displacement sensor fixing frames 1-5 and 2 self-resetting displacement sensors 1-6 on the upper surface of the frame welded on the two symmetrical sides of the middle layer frame in a self-locking angle mode.

In a further embodiment of the invention, the forming box body 2 comprises: the device comprises a first inner cavity plate 2-1, a first polyimide heating plate 2-2, a second inner cavity plate 2-3 and an insulation plate 2-4; 2 first inner cavity plates 2-1 and 2 second inner cavity plates 2-3 which are mirror images of each other are fixedly connected through bolts to form a rectangular tubular structure, 4 peripheries of the outer side surface are arrayed and provided with first polyimide heating plates 2-2, the first polyimide heating plates 2-2 are fixed on the outer surfaces of the first inner cavity plates 2-1 and the second inner cavity plates 2-3 in a gluing mode, signal and power supply cables are high-temperature-resistant asbestos wires and are integrally bound to 4 corners of the bottom, the signal and power supply cables can be bound through cable fixing seats 1-16 after being integrally installed, and finally the signal and power supply cables are collected to heavy aerial connectors 4-10 of a forming box shell 4.

In a further embodiment of the invention, the forming box piston structure 3 comprises: 3-1 parts of piston plate cushion blocks, 3-2 parts of piston plate working surfaces, 3-3 parts of second polyimide heating sheets, 3-4 parts of sealing felts, 3-5 parts of piston base plates, 3-6 parts of piston plate mounting reference bases, 3-7 parts of movable end fixing frames of grating scales, 3-8 parts of movable guide shafts, 3-9 parts of power lead screws, 3-10 parts of grating scales, 3-11 parts of lead screw power units and 3-12 parts of guide linear bearings; the piston plate working surface 3-2, the second polyimide heating sheet 3-3, the piston plate cushion block 3-1 and the piston bottom plate 3-5 are sequentially arranged from top to bottom, 8 groups of holes parallel to four sides are fixedly connected in a bolt connection mode, and the sealing felt 3-4 and the piston plate cushion block 3-1 are positioned in the same layer; the piston base plate 3-5 and the piston plate mounting reference base 3-6 are fixed by 4 groups of holes at four corners in a bolt connection mode, and the head of the bolt for fixing and connecting the molding box piston structure 3 is clamped between the piston plate working surface 3-2 and the piston base plate 3-5, so that when the molding box piston structure 3 is integrally moved in the assembling process, the bolt for fixing and connecting the molding box piston structure 3 belongs to the whole piston; 3 guide linear bearings 3-12 are arranged on the bottom surface of the core reference positioning plate 1-3 through self flanges in a bolt connection mode, and each guide linear bearing 3-12 is provided with a movable guide shaft 3-8 which penetrates through the guide linear bearing; the piston plate mounting reference bases 3-6 are arranged up and down symmetrically, 2 grating ruler movable end fixing frames 3-7 are symmetrically mounted opposite to the inner side, and grating rulers 3-10 are mounted between the 2 grating ruler movable end fixing frames 3-7; the piston plate mounting reference bases 3-6 are symmetrically arranged up and down, and 3 moving guide shafts 3-8 are clamped in the middle and fixed in a bolt connection mode; a power screw rod 3-9 is arranged at the center of the bottom of a piston plate mounting reference seat 3-6 at the upper side of the core reference positioning plate 1-3; the power screw rod 3-9 is fixed with the piston plate mounting reference seat 3-6 through a flange at the end part of the power screw rod in a bolt connection mode; the power screw rod 3-9 penetrates into the screw rod power unit 3-11 so as to realize the acquisition of the lifting motion power of the forming box piston structure 3.

In a further embodiment of the invention, the forming box electrohydraulic circuit system 5 comprises: 5-1 parts of a micro pump station, 5-2 parts of a hydraulic pipeline tee joint, 5-3 parts of a mini hydraulic cylinder, 5-4 parts of a hydraulic cylinder adjusting cushion block, 5-5 parts of a hydraulic cylinder connector, 5-6 parts of a guide pin shaft, 5-7 parts of a hydraulic cylinder action block, 5-8 parts of a hydraulic pipeline angle connector, 5-9 parts of a horizontal hydraulic meter, 5-10 parts of a hydraulic throttle valve, 5-11 parts of a hydraulic pipe diameter adapter, 5-12 parts of a gas-liquid pipeline, 5-13 parts of a hydraulic valve oil path block, 5-14 parts of a three-position four-way hydraulic electromagnetic valve, 5-15 parts of a vertical hydraulic meter, 5-16 parts of a two-position five-way pneumatic electromagnetic valve and 5-17 parts of a gas confluence plate; the micro pump station 5-1 is fixed on a middle layer frame in the forming box frame 1 in a bolt connection mode, is positioned at the rear side and serves as a hydraulic power source; the mini hydraulic cylinder 5-3, the hydraulic cylinder adjusting cushion block 5-4, the hydraulic cylinder connector 5-5 and the hydraulic cylinder action block 5-7 are divided into 2 groups which are all middle-layer frames which are sequentially arranged from top to bottom and are connected and fixed in the forming box frame 1 in a bolt connection mode; the symmetrical mini hydraulic cylinders 5-3 are fixed on the upper surfaces of the first welded steel pipes 1-4 on two sides of the middle layer frame in the forming box frame 1 through hydraulic cylinder adjusting cushion blocks 5-4, and the pushing direction of the cylinder bodies of the mini hydraulic cylinders 5-3 is downward; the symmetrical hydraulic cylinder action blocks 5-7 are fixed on the extension section of the mini hydraulic cylinder 5-3 through hydraulic cylinder connectors 5-5; 2 groups of 4 symmetrical guide pin shafts 5-6 are fixed at the upper part of a hydraulic cylinder action block 5-7 and realize the longitudinal guide function by utilizing corresponding holes of first welding steel pipes 1-4 at two sides of a middle layer frame in a forming box frame 1; the symmetrical mini hydraulic cylinder 5-3 is connected with a hydraulic pipeline angle joint 5-8, a horizontal hydraulic meter 5-9, a hydraulic throttle valve 5-10, a hydraulic pipe diameter adapter 5-11, a gas-liquid pipeline 5-12, a hydraulic valve oil path block 5-13, a three-position four-way hydraulic electromagnetic valve 5-14, a vertical hydraulic meter 5-15 and a micro pump station 5-1; the miniature air cylinders 1-24 of the forming box frame 1 are connected with the gas-liquid pipeline 5-12, the two-position five-way pneumatic solenoid valve 5-16 and the gas confluence plate 5-17; the inlets of the gas confluence plates 5-17 are connected with compressed air inlets 4-11 of the forming box shell 4; control signal lines of the three-position four-way hydraulic electromagnetic valve 5-14 and the two-position five-way pneumatic electromagnetic valve 5-16 are converged at the bottom of the equipment and are connected with a heavy aerial plug connector 4-10 of the forming box shell 4.

In a further embodiment of the invention, the forming box housing 4 comprises: 4-1 parts of sealing strips, 4-2 parts of polytetrafluoroethylene guide blocks, 4-3 parts of top sealing strip pressing plates, 4-4 parts of upper metal plate shells, 4-5 parts of handles, 4-6 parts of front metal plate shells, 4-7 parts of internal isolation metal plates, 4-8 parts of bottom dustproof metal plates, 4-9 parts of lower metal plate shells, 4-10 parts of heavy aerial connectors, 4-11 parts of compressed air input ports and 4-12 parts of connector interface fixing plates; the sealing strip 4-1, the polytetrafluoroethylene guide block 4-2, the top sealing strip pressing plate 4-3 and the upper metal plate shell 4-4 are sequentially arranged from top to bottom and are arranged on the uppermost layer of the forming box frame 1; the top of the inner side of the upper sheet metal shell 4-4 is welded with a rectangular pipe and is matched with and positioned by a sheet metal positioning block 1-9 of the forming box frame 1 and is fixedly connected with the sheet metal positioning block through a bolt; 2 handles 4-5 are arranged on the upper sheet metal shell 4-4; the front sheet metal shell 4-6 is fixed on the forming box frame 1 from the front; the bottom dustproof sheet metal 4-8 is fixed at the bottom of the forming box frame 1 and is connected with a first caster welding fixing frame 1-17, a second caster welding fixing frame 1-19, a third caster welding fixing frame 1-20 and a fourth caster welding fixing frame 1-23; an internal isolation metal plate 4-7 is arranged between the upper side of the bottom dustproof metal plate 4-8 and the lower side of a core reference positioning plate 1-3 of the forming box frame 1 to play a role in protecting a power screw 3-9 and a guide linear bearing 3-12 inside the internal isolation metal plate; the heavy aerial plug 4-10 and the compressed air input port 4-11 are fixed on the bottom dustproof metal plate 4-8 through the connector interface fixing plate 4-12.

In a further embodiment of the invention, the work environment holding means 6 in which the modular forming box device as a whole is located comprises: a longitudinal positioning guide rail 6-1, a locking cylinder 6-2 and a working table surface 6-3; in the process that the modularized forming box device and the working environment clamping device 6 are in a separable state to a working state, the integral working front face of the modularized forming box device is matched with a longitudinal positioning guide rail 6-1, a V-shaped positioning function is formed by means of paired forming box external positioning pieces 1-2, and further the working environment clamping device 6 adopts a locking cylinder 6-2 in a 90-degree corner pressing cylinder mode to position and lock 2 groups of 4 forming box external positioning pieces 1-2 and 4 groups of locking cylinders 6-2 on the front face of the modularized forming box device after positioning is realized; the whole modularized forming box device is pushed out downwards by a forming box hydraulic-electric pipeline system 5 to realize the movement in the height direction; a self-reset displacement sensor 1-6 in a forming box frame 1 acquires height information, an external control signal controls a forming box hydraulic and electric pipeline system 5 to move and stop through a three-position four-way hydraulic electromagnetic valve 5-14, and meanwhile, a hydraulic valve oil circuit block 5-13 in the forming box hydraulic and electric pipeline system 5 can realize overpressure pressure relief and prevent overpressure from being damaged.

In a further embodiment of the present invention, the working state of the whole modularized forming box device in the working environment clamping device 6 is divided into a working state and a separable state, and the height needs to be raised or lowered in the state switching process; the height of the whole modularized forming box device needs to be lifted when the modularized forming box device is in a working state from a separable state, after the height moves to an ideal position, firstly 4 micro cylinders 1-24 drive hydraulic cylinder self-locking connectors 1-27 to extend out and be clamped into hydraulic cylinder connectors 5-5 self-locking grooves, and then the forming box hydraulic and electric pipeline system 5 is switched to a stop position by using three-position four-way hydraulic electromagnetic valves 5-14 and then is stopped; the height of the whole modularized forming box device needs to be reduced when the modularized forming box device is in a separable state from a working state, firstly, the three-position four-way hydraulic electromagnetic valve 5-14 is switched to an extending state to prevent the self-locking resistance of the hydraulic cylinder self-locking joint 1-27 from being too large, secondly, the 4 micro cylinders 1-24 drive the hydraulic cylinder self-locking joint 1-27 to retract to release the hydraulic cylinder connector 5-5, finally, the three-position four-way hydraulic electromagnetic valve 5-14 is switched to a contracting state to integrally lower the modularized forming box device to the ground, and finally, the locking cylinder 6-2 is controlled by an external signal to release the modularized forming box device and then stops.

In a further embodiment of the invention, the device comprises a forming box frame 1, a forming box main body 2, a forming box piston structure 3, a forming box hydraulic and electric pipeline system 5 and a forming box shell 4, and is suitable for meeting the requirement in a working environment; the forming box frame 1 is an installation reference of the forming box main body 2, the forming box piston structure 3 and the forming box hydraulic and electric pipeline system 5, and is also used as a working reference for positioning and connecting the modularized forming box device and an external working environment structure, and the whole external part is wrapped by the forming box shell 4 to play the effects of beauty, structural protection and dust prevention; the working environment is provided with a longitudinal positioning guide rail 6-1, a locking cylinder 6-2 and a working table surface 6-3.

In a further embodiment of the invention, the forming box frame 1 comprises a guide reference welding block 1-1, a forming box external positioning piece 1-2, a core reference positioning plate 1-3, four corresponding welding steel pipes with different sizes, a displacement sensor fixing frame 1-5, a self-reset displacement sensor 1-6, a powder box main body upper fixing frame 1-8, a sheet metal positioning block 1-9, a powder box main body lower fixing frame 1-11, a heat insulation plate fixing frame 1-12, a limit switch fixing frame 1-13, a limit switch 1-14, a grating ruler fixed end connecting frame 1-15, a cable fixing seat 1-16, four corresponding caster welding fixing frames, a hydraulic valve fixing piece 1-18, a universal caster 1-21, a fixed caster 1-22, a micro cylinder 1-24, a micro cylinder and a micro cylinder, The self-locking hydraulic cylinder comprises self-locking cylinder seats 1-25, hydraulic cylinder self-locking joints 1-27, functional reference welding blocks 1-28, guide reference welding blocks 1-1, four corresponding welding steel pipes with different sizes, sheet metal positioning blocks 1-9, four corresponding caster welding fixing frames and the functional reference welding blocks 1-28, wherein the guide reference welding blocks, the sheet metal positioning blocks and the functional reference welding blocks are fixedly connected in a welding mode, and the upper layer, the middle layer and the lower layer of the welding steel pipes which are longitudinally and horizontally arranged are utilized to form a frame structure of a main body; four guide reference welding blocks 1-1 are welded at the front part of the frame, and a forming box external positioning piece 1-2 is fixed at each guide reference welding block; eight metal plate positioning blocks 1-9 are symmetrically welded at four corners of the outer side of the upper layer frame in an array mode and used for positioning metal plates of the forming box; four upper fixing frames 1-8 of the powder box main body are fixedly and symmetrically arranged in the two sides of the upper layer frame; eight heat insulation board fixing frames 1-12 are symmetrically arranged between the upper layer frame and the middle layer frame in an array mode; the upper part of the middle layer frame is correspondingly welded with the functional reference welding blocks 1-28 to fix the core reference positioning plates 1-3; the upper surfaces of four corners of the core reference positioning plate 1-3 are fixedly connected with four powder box main body lower part fixing frames 1-11 and eight corresponding cable fixing seats 1-16; the grating ruler fixed end connecting frame 1-15 is arranged at a rectangular hole on the upper surface of the core datum positioning plate 1-3, two groups of four limit switch fixing frames 1-13 and four limit switches 1-14 are respectively arranged at the upper part of the grating ruler fixed end connecting frame 1-15 and the bottom of the corresponding core datum positioning plate 1-3, and each group of limit switches 1-14 has a certain height distance in the height direction; four self-locking cylinder bases 1-25 and four micro cylinders 1-24 are arranged on the lower surface of the frame welded on the two symmetrical sides of the middle layer frame in a mirror symmetry manner, and four hydraulic cylinder self-locking joints 1-27 are arranged at the extending end parts of the micro cylinders 1-24; two displacement sensor fixing frames 1-5 and two self-resetting displacement sensors 1-6 are symmetrically arranged on the upper surface of the frame welded on the two symmetrical sides of the middle layer frame; meanwhile, the upper surfaces of the frames welded on the two symmetrical sides of the middle layer are also used as the installation reference of a hydraulic cylinder in the forming box hydraulic-electric pipeline system 5; four groups of 12 welding caster wheel welding fixing frames corresponding to the bottom layer framework are used for symmetrically installing two universal caster wheels 1-21 and two fixing caster wheels 1-22.

In a further embodiment of the invention, the molding box main body 2 comprises 2 inner cavity plates, a first polyimide heating plate 2-2 and an insulation plate 2-4. The solar energy battery pack is characterized in that 4 blocks of inner side cavity plates which are mirror images of each other are symmetrically arranged and fixed through bolts to form a rectangular tubular structure, 4 circles of the outer side surface of the rectangular tubular structure are arrayed and provided with first polyimide heating sheets 2-2, meanwhile, the first polyimide heating sheets 2-2 are fixed on the outer side surface of the inner side cavity plate in a cross-connection mode, signal and power supply cables of the solar energy battery pack are high-temperature-resistant asbestos wires and are integrally bound to four corners of the bottom, the solar energy battery pack can be bound through cable fixing seats 1-16 in a forming box frame 1 after being integrally mounted, and finally the solar energy battery pack is bound to heavy aerial connectors 4-10 of a forming box shell 4.

In a further embodiment of the invention, the forming box piston structure 3 comprises: 3-1 parts of piston plate cushion blocks, 3-2 parts of piston plate working surfaces, 3-3 parts of second polyimide heating sheets, 3-4 parts of sealing felts, 3-5 parts of piston base plates, 3-6 parts of piston plate mounting reference bases, 3-7 parts of movable end fixing frames of grating rulers, 3-8 parts of movable guide shafts, 3-9 parts of power lead screws, 3-10 parts of grating rulers, 3-11 parts of lead screw power units, 3-12 parts of guide linear bearings, 3-2 parts of piston plate working surfaces, 3-3 parts of second polyimide heating sheets, 3-1 parts of piston plate cushion blocks and 3-5 parts of piston base plates are sequentially arranged from top to bottom, eight groups of holes parallel to four sides are fixedly connected in a bolt connection mode, the sealing felts 3-4 and the piston plate cushion blocks 3-1 are positioned on the same layer, and the sealing felts 3-4 are slightly thicker than the piston plate cushion blocks 3-1, so that and the sealing felt 3-4 can be clamped by the piston plate working surface 3-2 and the piston bottom plate 3-5; the piston bottom plate 3-5 and the piston plate mounting reference seat 3-6 are fixed by four groups of holes at four corners in a bolt connection mode, and the head of the bolt is clamped between the piston plate working surface 3-2 and the piston bottom plate 3-5, so that the bolt belongs to the whole piston effectively; three guiding linear bearings 3-12 are arranged on the bottom surfaces of the core datum positioning plates 1-3 in a bolt connection mode through flanges of the guiding linear bearings 3-12, and each guiding linear bearing 3-12 penetrates through a movable guiding shaft 3-8; the piston plate mounting reference bases 3-6 are arranged in an up-and-down symmetrical mode, two grating ruler movable end fixing frames 3-7 are symmetrically mounted on the opposite inner sides, and a grating ruler 3-10 is mounted between the two grating ruler movable end fixing frames 3-7; the piston plate mounting reference bases 3-6 are symmetrically arranged up and down, and the three moving guide shafts 3-8 are clamped in the middle and fixed in a bolt connection mode; a power screw rod 3-9 is arranged at the center of the bottom of a piston plate mounting reference seat 3-6 at the upper side of the core reference positioning plate 1-3; the power screw rod 3-9 is fixed with the piston plate mounting reference seat 3-6 through a flange at the end part of the power screw rod in a bolt connection mode; the power screw 3-9 penetrates into the screw power unit 3-11 so as to realize the acquisition of power.

In a further embodiment of the invention, the forming box hydraulic-electric pipeline system 5 comprises a micro pump station 5-1, a hydraulic pipeline tee joint 5-2, a mini hydraulic cylinder 5-3, a hydraulic cylinder adjusting cushion block 5-4, a hydraulic cylinder connector 5-5, a guide pin shaft 5-6, a hydraulic cylinder action block 5-7, a hydraulic pipeline corner connector 5-8, a horizontal hydraulic pressure meter 5-9, a hydraulic throttling valve 5-10, a hydraulic pipe diameter adapter 5-11, a gas-liquid pipeline 5-12, a hydraulic valve oil circuit block 5-13, a three-position four-way hydraulic electromagnetic valve 5-14, a vertical hydraulic pressure meter 5-15, a two-position five-way pneumatic electromagnetic valve 5-16 and a gas confluence plate 5-17, wherein the micro pump station 5-1 is fixed on a middle layer frame in the forming box frame 1 and is positioned outside the opposite face of the front side, as a source of hydraulic power; the mini hydraulic cylinder 5-3, the hydraulic cylinder adjusting cushion block 5-4, the hydraulic cylinder connector 5-5 and the hydraulic cylinder action block 5-7 are divided into two groups which are sequentially arranged from top to bottom; the symmetrical mini hydraulic cylinders 5-3 are fixed on the upper surfaces of two welded steel pipes of a middle layer frame in the forming box frame 1 through hydraulic cylinder adjusting cushion blocks 5-4, and the pushing direction of the cylinder bodies of the mini hydraulic cylinders 5-3 is downward; the symmetrical hydraulic cylinder action blocks 5-7 are fixed at the extending section part of the mini hydraulic cylinder 5-3 through hydraulic cylinder connectors 5-5; two symmetrical groups of four guide pin shafts 5-6 are fixed at the upper part of the hydraulic cylinder action block 5-7 and realize the longitudinal guide function by utilizing the corresponding holes of the welded steel pipes at the two sides of the middle layer frame in the forming box frame 1; the symmetrical mini hydraulic cylinder 5-3 is connected with a hydraulic pipeline angle joint 5-8, a horizontal hydraulic meter 5-9, a hydraulic throttle valve 5-10, a hydraulic pipe diameter adapter 5-11, a gas-liquid pipeline 5-12, a hydraulic valve oil path block 5-13, a three-position four-way hydraulic electromagnetic valve 5-14, a vertical hydraulic meter 5-15 and a micro pump station 5-1; the miniature air cylinders 1-24 of the forming box frame 1 are connected with the gas-liquid pipeline 5-12, the two-position five-way pneumatic solenoid valve 5-16 and the gas confluence plate 5-17; the inlets of the gas confluence plates 5-17 are connected with compressed air inlets 4-11 of the forming box shell 4; control lines of the three-position four-way hydraulic electromagnetic valve 5-14 and the two-position five-way pneumatic electromagnetic valve 5-16 are well converged and collected at the bottom of the equipment and are connected with a heavy aerial connector 4-10 of the forming box shell 4.

In a further embodiment of the invention, the forming box shell 4 comprises a sealing strip 4-1, a polytetrafluoroethylene guide block 4-2, a top sealing strip pressing plate 4-3, an upper metal plate shell 4-4, a handle 4-5, a front metal plate shell 4-6, an internal isolation metal plate 4-7, a bottom dustproof metal plate 4-8, a lower metal plate shell 4-9, a heavy aerial connector 4-10, a compressed air inlet 4-11, a sealing strip 4-1, a polytetrafluoroethylene guide block 4-2, a top sealing strip pressing plate 4-3, an upper metal plate shell 4-4 which are sequentially arranged from top to bottom and are installed on the uppermost layer of the forming box frame 1; the top of the inner side of the upper sheet metal shell 4-4 is welded with a rectangular pipe and is matched and positioned with the sheet metal positioning blocks 1-9 of the forming box frame 1, and the rectangular pipe and the sheet metal positioning blocks are fixed in a bolt connection mode. The upper sheet metal shell 4-4 is provided with two handles 4-5; the front sheet metal shell 4-6 is fixed on the forming box frame 1 from the front; the bottom dustproof sheet metal 4-8 is fixed at the bottom of the forming box frame 1 and is connected with the truckle welding fixing frame; an internal isolation metal plate 4-7 is arranged between the upper side of the bottom dustproof metal plate 4-8 and the lower side of a core reference positioning plate 1-3 of the forming box frame 1 to play a role in protecting a power screw 3-9 and a guide linear bearing 3-12 inside the internal isolation metal plate; the heavy aerial plug 4-10 and the compressed air input port 4-11 are fixed on the bottom dustproof metal plate 4-8 through the connector interface fixing plate.

In a further embodiment of the invention, the modular forming box device is connected with a working environment, a longitudinal positioning guide rail 6-1, a locking cylinder 6-2 and a working table surface 6-3 are necessary in the working environment, and the modular forming box device and the working environment are separated into a separable state and a working state; in the process from a separable state to a working state, the integral working front face of the modularized forming box device is matched with the longitudinal positioning guide rail 6-1, a V-shaped positioning function is formed by the paired forming box external positioning pieces 1-2, and locking after positioning is realized by the locking air cylinder 6-2; the whole modularized forming box device is pushed out downwards by a forming box hydraulic-electric pipeline system 5, longitudinal moving power is provided, and final height direction movement is realized; height information is obtained by a self-resetting displacement sensor 1-61-6 in a forming box frame 11, and the forming box hydraulic and electric pipeline system 5 is controlled to move and stop through a three-position four-way hydraulic electromagnetic valve 5-14 by a control signal; the hydraulic valve oil circuit blocks 5-13 in the molding box hydraulic and electric pipeline system 5 can realize overpressure pressure relief, and prevent overpressure from generating damage. The integral lifting height of the modular forming box device is required: the 4 micro cylinders 1-24 drive the hydraulic cylinder self-locking joints 1-27 to extend out to be clamped into the hydraulic cylinder connectors 5-5 self-locking grooves, then the box hydraulic and electric pipeline system 5 is formed, the three-position four-way hydraulic electromagnetic valves 5-14 are switched to a cut-off position, the integral high working position of the forming box device is ensured to be stable and reliable, and the working state is achieved. The whole height reduction of the modularization forming box device needs: the three-position four-way hydraulic solenoid valve 5-14 is switched to an extending state to prevent the self-locking resistance of the hydraulic cylinder self-locking joint 1-27 from being overlarge, then 4 micro cylinders 1-24 drive the hydraulic cylinder self-locking joint 1-27 to retract to release the hydraulic cylinder connector 5-5, finally the three-position four-way hydraulic solenoid valve 5-14 is switched to a contracting state to integrally lower the modular forming box device to the bottom surface, and the locking cylinder 6-2 is controlled by an external signal to release the modular forming box device to achieve a separable state.

In a further embodiment of the invention, the beneficial effects of the invention are: the modularized forming box device for laser sintering provided by the invention realizes the integral modularization of the forming box in the laser sintering function, can be integrally moved and taken out, can be effectively repeatedly positioned, connected and installed, and can realize the integral replacement of continuous production. The whole structure is based on a forming box frame 1; the molding box frame 1 and the molding box main body 2 are combined to be used as positioning and installation reference, and the independence of the positioning and installation reference is improved. The heating plate and the temperature sensor are equipped with all around to shaping case main part 2, can carry out the temperature regulation and control, and further can arrange the form and the temperature monitoring arrangement form for different heating plates according to the demand replacement in addition, this makes modularization shaping case device have good regulation and control and monitoring range, very big improvement control and detection degree of freedom, provide powerful platform assurance for the on-line monitoring of laser sintering process. Meanwhile, the forming box body 2 has high independence, so that the application of heat sources of various types and layout schemes of different thermal principles is facilitated, and the research, application and popularization of a temperature field in the laser sintering process are facilitated. The modularized forming box device has the advantages that the power source diversification is adopted, the integral lifting motion of the modularized forming box device can be efficiently achieved by utilizing the independent hydraulic circuit, the occupied space is small, the size and the quality of components are low, the economy of the device is improved, the pneumatic self-locking device is further adopted, the control efficiency is effectively improved, the structure size can be reduced, and the high reliability of the integral motion is achieved. The worm gear and worm form is adopted as the main power, and the grating ruler is adopted as the closed loop correction, so that the piston motion scheme with small volume, high power and high precision is achieved, and the device is just suitable for the working conditions of medium and low speed and medium and low load of laser sintering equipment. The cleaning operation can be conveniently carried out by repeatedly disassembling and assembling the integrity and the sealing structure, the man-machine interaction is facilitated, the integrity of the operation space is good, and the cleanliness is good.

In a further embodiment of the present invention, the first embodiment: the present embodiment will be described with reference to fig. 1, 16, and 18, and a modular molding box apparatus for laser sintering according to the present embodiment includes: forming box frame 1, forming box main part 2, forming box piston structure 3, forming box shell 4, forming box hydraulic and electric pipeline system 5, modularization forming box device is applicable to operational environment clamping device 6. In the embodiment, the molding box frame 1 is provided with a positioning connection structure, and the powder box main body 2 is positioned with the molding box frame 1 through a powder box main body upper fixing frame 1-8 and a powder box main body lower fixing frame 1-11 and is fixedly connected with the molding box frame 1 in a bolt connection mode; the forming box piston structure 3 is positioned on the forming box frame 1 through a functional reference positioning block and is fixedly connected in a bolt connection mode; the forming box piston structure 3 can be arranged in a rectangular cavity of the forming box main body 2 in a matching way; the forming box hydraulic and electric pipeline system 5 is fixedly arranged on the forming box frame 1 in a bolt connection mode; the forming box shell 4 is directly positioned and connected and installed on the forming box frame 1 in a bolt connection mode, and can wrap and protect the forming box frame 1, the forming box main body 2, the forming box piston structure 3 and the forming box shell 4 which are connected with a fixed reference except the forming box frame 1.

In a further embodiment of the present invention, the second embodiment is: the present embodiment will be described with reference to fig. 2 and 3, and the mold box frame 1 of the present embodiment includes: 1-1 parts of guide reference welding block, 1-2 parts of external positioning part of forming box, 1-3 parts of core reference positioning plate, 1-4 parts of welding steel pipe, 1-5 parts of displacement sensor fixing frame, 1-6 parts of self-reset displacement sensor, 1-7 parts of welding steel pipe, 1-8 parts of upper fixing frame of powder box main body, 1-9 parts of sheet metal positioning block, 1-10 parts of welding steel pipe, 1-11 parts of lower fixing frame of powder box main body, 1-12 parts of heat insulation board fixing frame, 1-13 parts of limit switch fixing frame, 1-14 parts of limit switch, 1-15 parts of grating ruler fixing end connecting frame, 1-16 parts of cable fixing frame, 1-17 parts of caster welding fixing frame, 1-18 parts of hydraulic valve fixing frame, 1-19 parts of caster welding fixing frame, 1-20 parts of caster welding fixing frame, 1-21 parts of universal caster, and the like, The device comprises fixed casters 1-22, caster welding fixed frames 1-23, micro cylinders 1-24, self-locking cylinder bases 1-25, welded steel pipes 1-26, hydraulic cylinder self-locking joints 1-27 and functional reference welding blocks 1-28. In the embodiment, a guide reference welding block 1-1, a welded steel pipe 1-4, a welded steel pipe 1-7, a metal plate positioning block 1-9, a welded steel pipe 1-10, a caster welding fixing frame 1-17, a caster welding fixing frame 1-19, a caster welding fixing frame 1-20, a caster welding fixing frame 1-23, a welded steel pipe 1-26 and a function reference welding block 1-28 are fixedly connected in a welding mode to form a main frame structure; the welding steel pipes 1-7, the welding steel pipes 1-10 and the functional reference welding blocks 1-28 are arranged in an array form with 4 surfaces annularly and uniformly distributed, the welding steel pipes 1-7 are longitudinally arranged, the welding steel pipes 1-10 are divided into an upper layer, a middle layer and a lower layer which are horizontally arranged, and the welding steel pipes 1-4 and the welding steel pipes 1-26 are symmetrically arranged on two sides of the middle layer of the welding steel pipes 1-10. 4 guide reference welding blocks 1-1 are welded at the front part of the frame type structure, and a forming box external positioning piece 1-2 is fixed on each guide reference welding block; 8 metal plate positioning blocks 1-9 are symmetrically welded at the 4-corner array of the outer side of the upper layer of the frame type structure and used for positioning a metal plate of a forming box; the inner parts of two sides of the upper layer of the frame type structure are symmetrically provided with 4 powder box main body upper part fixing frames 1-8 in a bolt connection mode; 8 heat insulation board fixing frames 1-12 are symmetrically arranged between the upper layer and the middle layer of the frame type structure in an array mode and fixedly installed in a bolt connection mode; 4 functional datum welding blocks 1-28 corresponding to the upper part of the middle layer in the frame type structure are fixed in a welding mode, and can conveniently achieve assembly positioning precision datum with the finish machining upper surface; the upper surface of the middle layer of the frame type structure is positioned and fixed with a core datum positioning plate 1-3 in a pin hole positioning and bolt connection mode; the upper surface of the 4 corners of the core reference positioning plate 1-3 is fixedly connected with 4 powder box main body lower part fixing frames 1-11 and 8 corresponding cable fixing seats 1-16; the grating ruler fixed end connecting frame 1-15 is arranged at a rectangular hole on the upper surface of the core datum positioning plate 1-3 and is fixed by adopting a bolt connection mode; 2 groups of 4 limit switch fixing frames 1-13 and 4 limit switches 1-14 are respectively installed at the upper part of a connecting frame 1-15 of the fixed end of the grating ruler and the bottom of a corresponding core datum positioning plate 1-3, and each group of limit switches 1-14 has a certain height distance in the height direction so as to realize the determination of the limit position and the acceleration and deceleration of a trigger control program under the high-speed motion of a piston of a forming box; 4 self-locking cylinder seats 1-25 and 4 micro cylinders 1-24 are symmetrically arranged on the lower surfaces of two symmetrical sides of the middle layer of the frame structure, and 4 hydraulic cylinder self-locking joints 1-27 are arranged at the extending end parts of the micro cylinders 1-24; the surfaces of the hydraulic cylinder self-locking joints 1-27, which are contacted with the hydraulic cylinder connectors 5-5, meet the wedge-shaped self-locking angle; the hydraulic cylinder self-locking joint 1-27 realizes the retraction locking of a mini hydraulic cylinder 5-3 in the forming box hydraulic and electric pipeline system 5 by utilizing the contact of a wedge surface under the state that a hydraulic cylinder connector 5-5 extends out, and prevents the integral sliding of the modular forming box device; 2 displacement sensor fixing frames 1-5 and 2 self-resetting displacement sensors 1-6 are symmetrically arranged on the upper surface of a frame in the middle layer of the frame type structure and used for detecting the position of an actuating hydraulic cylinder in a hydraulic and electric pipeline system 5 of the forming box; the symmetrical upper surface of the middle layer in the frame type structure is also used as the installation reference of a hydraulic cylinder in the hydraulic and electric pipeline system 5 of the forming box; the corresponding welding of frame structure bottom layer frame has 4 kinds of 2 group 12 welding truckles welding mount altogether for through six coupling form symmetrical installation 2 universal caster 1-21 and 2 fixed caster 1-22, and then realize modular forming case device's whole removal.

In a further embodiment of the present invention, the third embodiment is: the present embodiment is described with reference to fig. 4 and 1, and the forming box body 2 of the present embodiment includes: the heat insulation plate comprises an inner cavity plate 2-1, a polyimide heating sheet 2-2, an inner cavity plate 2-3 and a heat insulation plate 2-4. In the embodiment, 2 blocks of inner cavity plates 2-1 and 2 blocks of inner cavity plates 2-3 which are mirror images of each other are fixedly connected through bolts to form a rectangular tubular structure, 4 circles of outer side surfaces of the rectangular tubular structure are arrayed and installed with polyimide heating plates 2-2, meanwhile, the polyimide heating plates 2-2 are fixed on the outer surfaces of the inner cavity plates 2-1 and the inner cavity plates 2-3 in a gluing mode, signal and power supply cables of the polyimide heating plates are high-temperature-resistant asbestos wires and are integrally bound to 4 corners of the bottom of a forming box main body 2, the forming box main body 2 can be bound through cable fixing seats 1-16 after being installed on a forming box frame 1, and finally the heavy aerial connectors 4-10 of a forming box shell 4 are bound.

In a further embodiment of the present invention, the detailed implementation manner is four: the present embodiment will be described with reference to fig. 5, 6, and 7, and the forming box piston structure 3 of the present embodiment includes: 3-1 parts of piston plate cushion blocks, 3-2 parts of piston plate working surfaces, 3-3 parts of polyimide heating sheets, 3-4 parts of sealing felts, 3-5 parts of piston base plates, 3-6 parts of piston plate mounting reference bases, 3-7 parts of grating ruler movable end fixing frames, 3-8 parts of movable guide shafts, 3-9 parts of power screw rods, 3-10 parts of optical grating rulers, 3-11 parts of screw rod power units and 3-12 parts of guide linear bearings. In the embodiment, a piston plate working surface 3-2, a polyimide heating sheet 3-3, a piston plate cushion block 3-1 and a piston base plate 3-5 are sequentially arranged from top to bottom, 8 groups of holes parallel to four sides are used for connecting and fixing in a bolt connection mode, a sealing felt 3-4 and the piston plate cushion block 3-1 are in the same layer, and the sealing felt 3-4 is slightly thicker than the piston plate cushion block 3-1, so that the sealing felt 3-4 can be clamped by the piston plate working surface 3-2 and the piston base plate 3-5; the piston bottom plate 3-5 and the piston plate mounting reference seat 3-6 are fixed by 4 groups of holes at four corners in a bolt connection mode, and the head of the bolt is clamped between the piston plate working surface 3-2 and the piston bottom plate 3-5, so that the bolt belongs to the whole piston effectively; 3 guide linear bearings 3-12 are arranged on the bottom surface of the core reference positioning plate 1-3 in a bolt connection mode through self flanges, and each guide linear bearing 3-12 is provided with a movable guide shaft 3-8 in a penetrating mode; the piston plate mounting reference bases 3-6 are arranged in an up-and-down symmetrical mode, 2 grating ruler movable end fixing frames 3-7 are symmetrically mounted opposite to the inner side, and further optical grating rulers 3-10 are mounted between the 2 grating ruler movable end fixing frames 3-7; the piston plate mounting reference bases 3-6 are symmetrically arranged up and down, and 3 moving guide shafts 3-8 are clamped in the middle and fixed in a bolt connection mode; a power screw 3-9 is arranged at the center of the bottom of a piston plate mounting reference seat 3-6 at the upper side of the core reference positioning plate 1-3; the power screw rod 3-9 is fixed with the piston plate mounting reference seat 3-6 through a flange at the end part of the power screw rod in a bolt connection mode; the power screw 3-9 penetrates into the screw power unit 3-11 so as to realize the acquisition of power. The specific motion mode of the embodiment is as follows: the screw power unit 3-11 is driven by a power screw 3-9 to enable the whole consisting of the piston plate mounting reference base 3-6, the grating ruler movable end fixing frame 3-7, the movable guide shaft 3-8 and the optical grating ruler 3-10 to move in the height direction, and the guide linear bearing 3-12 is matched with the movable guide shaft 3-8 to realize guide; the piston plate installation reference seat 3-6 on the upper side is connected with a piston plate working surface 3-2, a polyimide heating sheet 3-3, a piston plate cushion block 3-1, a sealing felt 3-4 and a piston bottom plate 3-5, so that the control motion of the piston is realized; the sealing felt 3-4 is just matched with a rectangular tubular structure formed by the inner cavity plate 2-1 and the inner cavity plate 2-3 in the forming box main body 2; the upper limit position is subjected to position and speed reduction control by 2 limit switches 1-14 on the bottom surface of a core reference positioning plate 1-3 in a forming box frame 1; the lower limit position is controlled by 2 limit switches 1-14 at the upper part of a grating ruler fixed end connecting frame 1-15 in the forming box frame 1 for position and speed reduction.

In a further embodiment of the present invention, the detailed implementation manner is five: the present embodiment will be described with reference to fig. 8, 9, 10, 11, and 12, and the forming tank fluid electric line system 5 of the present embodiment includes: 5-1 parts of a micro pump station, 5-2 parts of a hydraulic pipeline tee joint, 5-3 parts of a mini hydraulic cylinder, 5-4 parts of a hydraulic cylinder adjusting cushion block, 5-5 parts of a hydraulic cylinder connector, 5-6 parts of a guide pin shaft, 5-7 parts of a hydraulic cylinder action block, 5-8 parts of a hydraulic pipeline angle connector, 5-9 parts of a horizontal hydraulic meter, 5-10 parts of a hydraulic throttle valve, 5-11 parts of a hydraulic pipe diameter adapter, 5-12 parts of a gas-liquid pipeline, 5-13 parts of a hydraulic valve oil path block, 5-14 parts of a three-position four-way hydraulic electromagnetic valve, 5-15 parts of a vertical hydraulic meter, 5-16 parts of a two-position five-way pneumatic electromagnetic valve and 5-17 parts of a gas confluence plate. In the embodiment, the micro pump station 5-1 is fixed on a middle layer frame in the forming box frame 1 in a bolt connection mode, is positioned on the outer side of the opposite surface of the front surface and is used as a hydraulic power source; the mini hydraulic cylinder 5-3, the hydraulic cylinder adjusting cushion block 5-4, the hydraulic cylinder connector 5-5 and the hydraulic cylinder action block 5-7 are divided into 2 groups which are sequentially arranged from top to bottom and are connected and fixed in a bolt connection mode; the symmetrical mini hydraulic cylinders 5-3 are fixed on the upper surfaces of the welded steel pipes 1-4 on the two sides of the middle layer frame in the forming box frame 1 through hydraulic cylinder adjusting cushion blocks 5-4, and the pushing direction of the cylinder bodies of the mini hydraulic cylinders 5-3 is downward; the symmetrical hydraulic cylinder action blocks 5-7 are fixed on the extension section of the mini hydraulic cylinder 5-3 through hydraulic cylinder connectors 5-5; 2 symmetrical groups of 4 guide pin shafts 5-6 are fixed at the upper part of a hydraulic cylinder action block 5-7, and the longitudinal guide function is realized by utilizing corresponding holes of welded steel pipes 1-4 at two sides of a middle layer frame in the forming box frame 1; the symmetrical mini hydraulic cylinder 5-3 is connected with a hydraulic pipeline angle joint 5-8, a horizontal hydraulic meter 5-9, a hydraulic throttle valve 5-10, a hydraulic pipe diameter adapter 5-11, a gas-liquid pipeline 5-12, a hydraulic valve oil path block 5-13, a three-position four-way hydraulic electromagnetic valve 5-14, a vertical hydraulic meter 5-15 and a micro pump station 5-1; the miniature air cylinders 1-24 of the forming box frame 1 are connected with the gas-liquid pipeline 5-12, the two-position five-way pneumatic solenoid valve 5-16 and the gas confluence plate 5-17; the inlets of the gas confluence plates 5-17 are connected with compressed air inlets 4-11 of the forming box shell 4; control lines of the three-position four-way hydraulic electromagnetic valve 5-14 and the two-position five-way pneumatic electromagnetic valve 5-16 are well converged and collected at the bottom of the equipment and are connected with a heavy aerial connector 4-10 of the forming box shell 4. The specific motion form of the embodiment is as follows: the 2 miniature pump stations 5-1 are respectively controlled by three-position four-way hydraulic electromagnetic valves 5-14 to supply power to the 2 miniature hydraulic cylinders 5-3 from 2 hydraulic valve oil path blocks 5-13; the mini hydraulic cylinder 5-3 drives the hydraulic cylinder connector 5-5, the guide pin shaft 5-6 and the hydraulic cylinder action block 5-7 to move upwards or downwards by utilizing the guide pin shaft 5-6 to guide the seat; the upper part of the guide pin shaft 5-6 is in contact with a self-resetting displacement sensor 1-6 in the forming box frame 1, and the real-time extending displacement of the mini hydraulic cylinder 5-3 is known through the self-resetting displacement sensor 1-6; the horizontal hydraulic gauge 5-9 and the hydraulic throttle valve 5-10 are arranged on one side of the mini hydraulic cylinder 5-3, which extends out of an oil hole, and are used for adjusting the movement speed by using the throttle valve 5-10 and detecting the return oil pressure by using the horizontal hydraulic gauge 5-9 in the extending state of the oil cylinder; the hydraulic valve oil circuit blocks 5-13 are provided with vertical hydraulic meters 5-15, so that the maximum output pressure of the hydraulic valve oil circuit blocks 5-13 is adjusted to realize overpressure pressure relief; after the mini hydraulic cylinder 5-3 extends to a required position, the three-position four-way hydraulic solenoid valve 5-14 controls the micro cylinder 1-24 of the forming box frame 1 to drive the hydraulic cylinder self-locking joint 1-27 to move to the self-locking groove of the hydraulic cylinder joint 5-5 and form a self-locking effect between the welded steel pipes 1-4; then the three-position four-way hydraulic solenoid valve 5-14 is switched to a pressure maintaining stop state, and the mini hydraulic cylinder 5-3 can be effectively prevented from retracting due to the stop effect.

In a further embodiment of the present invention, the following detailed description: the present embodiment will be described with reference to fig. 13, 14, 15, and 16, and the mold box housing 4 of the present embodiment includes: 4-1 parts of sealing strips, 4-2 parts of polytetrafluoroethylene guide blocks, 4-3 parts of top sealing strip pressing plates, 4-4 parts of upper sheet metal shells, 4-5 parts of handles, 4-6 parts of front sheet metal shells, 4-7 parts of internal isolation sheet metals, 4-8 parts of bottom dustproof sheet metals, 4-9 parts of lower sheet metal shells, 4-10 parts of heavy aerial connectors, 4-11 parts of compressed air input ports and 4-12 parts of connector interface fixing plates. In the embodiment, a sealing strip 4-1, a polytetrafluoroethylene guide block 4-2, a top sealing strip pressing plate 4-3 and an upper metal plate shell 4-4 are sequentially arranged from top to bottom and are arranged on the uppermost layer of a forming box frame 1; the top of the inner side of the upper sheet metal shell 4-4 is welded with a rectangular pipe and is fixedly connected with the sheet metal positioning blocks 1-9 of the forming box frame 1 through bolts in a matched positioning mode. 2 handles 4-5 are arranged on the upper sheet metal shell 4-4; the front sheet metal shell 4-6 is fixed on the forming box frame 1 from the front; the bottom dustproof metal plate 4-8 is fixed at the bottom of the forming box frame 1 and is connected with the caster welding fixing frame 1-17 and the caster welding fixing frame 1-20; an internal isolation metal plate 4-7 is arranged between the upper side of the bottom dustproof metal plate 4-8 and the lower side of a core reference positioning plate 1-3 of the forming box frame 1 to play a role in protecting a power screw 3-9 and a guide linear bearing 3-12 inside the internal isolation metal plate; the heavy aerial plug 4-10 and the compressed air input port 4-11 are fixed on the bottom dustproof metal plate 4-8 through the connector interface fixing plate 4-12.

In a further embodiment of the present invention, the detailed description includes: the overall use environment requirements and the specific implementation mode of the invention are explained by combining with fig. 18, fig. 19, fig. 20 and fig. 21, the embodiment comprises the whole modularized forming box device and the working environment clamping device 6, and the working environment clamping device 6 is necessary to be provided with a longitudinal positioning guide rail 6-1, a locking cylinder 6-2 and a working table 6-3. In the embodiment, the state relationship between the modular forming box device and the working environment clamping device 6 is divided into a separable state and a working state; in the process from a separable state to a working state, the integral working front face of the modularized forming box device is matched with the longitudinal positioning guide rail 6-1, a V-shaped positioning function is formed by means of paired forming box external positioning pieces 1-2, and locking after positioning is further realized by a locking cylinder 6-2 in a 90-corner pressing cylinder mode; 2 pairs of external positioning parts 1-2 of 4 forming boxes and a locking cylinder 6-2 realize the control effect of the integral longitudinal moving pair of the modularized forming box device to limit the degree of freedom after positioning and locking, and only the degree of freedom of movement in the height direction is reserved; the whole modularized forming box device realizes the downward push of the hydraulic cylinder by depending on a forming box hydraulic-electric pipeline system 5 of the modularized forming box device, provides longitudinal moving power and realizes the final height direction movement; the height control of the movement in the height direction is realized by acquiring height information through a self-reset displacement sensor 1-6 in a forming box frame 1 and controlling the movement and the stop of a forming box hydraulic and electric pipeline system 5 through a three-position four-way hydraulic electromagnetic valve 5-14 through a control signal acquired by a heavy aerial plug 4-10, and meanwhile, a hydraulic valve oil circuit block 5-13 in the forming box hydraulic and electric pipeline system 5 can realize overpressure pressure relief and prevent overpressure from generating damage; further, before the whole modular forming box device works, the height needs to be lifted, after the height moves to an ideal position, firstly, 4 micro cylinders 1-24 drive the hydraulic cylinder self-locking connectors 1-27 to extend out to be clamped into the hydraulic cylinder connectors 5-5 self-locking grooves, then, the forming box hydraulic and electric pipeline system 5 is switched to a cut-off position by using the three-position four-way hydraulic electromagnetic valves 5-14, the whole height working position of the forming box device is ensured to be stable and reliable, and the working state is achieved. In the process of working state to separable state, the height of the whole modularized forming box device needs to be reduced, firstly, the three-position four-way hydraulic electromagnetic valve 5-14 is switched to the extending state to prevent the self-locking resistance of the self-locking joint 1-27 of the hydraulic cylinder from being overlarge, secondly, the 4 micro cylinders 1-24 drive the self-locking joint 1-27 of the hydraulic cylinder to retreat to release the connector 5-5 of the hydraulic cylinder, finally, the three-position four-way hydraulic electromagnetic valve 5-14 is switched to the contracting state to integrally lower the modularized forming box device to the bottom surface, and the locking cylinder 6-2 is controlled by an external signal to release the modularized forming box device to achieve the separable state.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims

1. A modular forming box device for laser sintering is characterized by comprising: become moulding box frame (1), become moulding box main part (2), become moulding box piston structure (3), become moulding box shell (4) and become moulding box liquid electric pipe-line system (5), become moulding box main part (2) become moulding box piston structure (3) with become moulding box liquid electric pipe-line system (5) and all install become on the moulding box frame (1), install on the moulding box frame (1) become moulding box shell (4).

2. The modular forming box device for laser sintering according to claim 1, characterized in that the forming box frame (1) comprises:

the steel pipe comprises second welded steel pipes (1-7) and third welded steel pipes (1-10), wherein four second welded steel pipes (1-7) are vertically arranged, a plurality of third welded steel pipes (1-10) are horizontally arranged, the top ends of any two adjacent second welded steel pipes (1-7) are connected through one third welded steel pipe (1-10), the middle parts of any two adjacent second welded steel pipes (1-7) are connected through one third welded steel pipe (1-10), the bottom ends of any two adjacent second welded steel pipes (1-7) are connected through one third welded steel pipe (1-10), forming a three-layer rectangular frame structure with a top layer, a middle layer and a bottom layer by a plurality of second welded steel pipes (1-7) and a plurality of third welded steel pipes (1-10);

the core datum positioning plate (1-3), the core datum positioning plate (1-3) is installed on the rectangular frame structure, and each side of the core datum positioning plate (1-3) is connected with one third welded steel pipe (1-10) located in the middle layer;

the steel pipe forming device comprises guide reference welding blocks (1-1) and forming box external positioning pieces (1-2), wherein the guide reference welding blocks (1-1) are respectively arranged on two second welding steel pipes (1-7) positioned on the front surface of the rectangular frame structure, and each guide reference welding block (1-1) is provided with one forming box external positioning piece (1-2);

the welding device comprises first welding steel pipes (1-4), wherein the first welding steel pipes (1-4) are arranged on two side surfaces of a rectangular frame structure, and each first welding steel pipe (1-4) is connected with one third welding steel pipe (1-10);

the displacement sensor fixing frame comprises a displacement sensor fixing frame (1-5) and self-resetting displacement sensors (1-6), wherein one displacement sensor fixing frame (1-5) is installed on each first welded steel pipe (1-4), and one self-resetting displacement sensor (1-6) is installed on each displacement sensor fixing frame (1-5);

the powder box comprises a powder box main body lower part fixing frame (1-11) and functional reference welding blocks (1-28), wherein each corner of a core reference positioning plate (1-3) is connected with one powder box main body lower part fixing frame (1-11) through one functional reference welding block (1-28);

the powder box comprises powder box main bodies, wherein the powder box main bodies are arranged on the powder box main bodies, and each powder box main body lower fixing frame (1-11) is connected with one cable fixing seat (1-16);

the limiting switch fixing frame comprises limiting switch fixing frames (1-13), limiting switches (1-14) and grating ruler fixed end connecting frames (1-15), the grating ruler fixed end connecting frames (1-15) are installed on the core reference positioning plate (1-3), at least one limiting switch fixing frame (1-13) is installed on the lower surface of the core reference positioning plate (1-3) and each grating ruler fixed end connecting frame (1-15), and one limiting switch (1-14) is installed on each limiting switch fixing frame (1-13);

the heat insulation plate fixing frames (1-12) are arranged, and two heat insulation plate fixing frames (1-12) are arranged on each second welding steel pipe (1-7);

the powder box comprises powder box main body upper portion fixing frames (1-8) and sheet metal positioning blocks (1-9), the top end of each second welding steel pipe (1-7) is connected with one powder box main body upper portion fixing frame (1-8), and the top end of each second welding steel pipe (1-7) is connected with at least one sheet metal positioning block (1-9).

3. The modular forming box device for laser sintering according to claim 2, characterized in that the forming box frame (1) further comprises:

the universal caster comprises universal casters (1-21) and fixed casters (1-22), wherein the fixed casters (1-22) are arranged at two corners of the front surface of the bottom layer of the rectangular frame structure, and the universal casters (1-21) are arranged at two corners of the back surface of the bottom layer of the rectangular frame structure;

the device comprises a first caster welding fixing frame (1-17), a second caster welding fixing frame (1-19), a third caster welding fixing frame (1-20) and a fourth caster welding fixing frame (1-23), wherein the first caster welding fixing frame (1-17), the second caster welding fixing frame (1-19), the third caster welding fixing frame (1-20) and the fourth caster welding fixing frame (1-23) are all connected with the bottom layer of a rectangular frame structure;

a hydraulic valve fixing member (1-18), the hydraulic valve fixing member (1-18) being mounted on the rectangular frame structure;

the self-locking hydraulic cylinder comprises micro cylinders (1-24), self-locking cylinder seats (1-25), fourth welding steel pipes (1-26) and hydraulic cylinder self-locking joints (1-27), wherein each first welding steel pipe (1-4) is provided with one fourth welding steel pipe (1-26), each fourth welding steel pipe (1-26) is provided with at least one self-locking cylinder seat (1-25), each self-locking cylinder seat (1-25) is provided with one micro cylinder (1-24), and the driving end of each micro cylinder (1-24) is connected with one hydraulic cylinder self-locking joint (1-27).

4. The modular forming box device for laser sintering according to claim 3, characterized in that the forming box body (2) is provided between the top and middle layers of the rectangular frame structure, the forming box body (2) comprising:

the cavity plate structure comprises a first inner cavity plate (2-1) and a second inner cavity plate (2-3), a rectangular cylindrical structure is formed by encircling two first inner cavity plates (2-1) which are oppositely arranged and two second inner cavity plates (2-3) which are oppositely arranged, and each side edge of the first inner cavity plate (2-1) is connected with the side edge of one second inner cavity plate (2-3);

a first polyimide heating plate (2-2), wherein a plurality of first polyimide heating plates (2-2) are mounted on each second inner cavity plate (2-3), a plurality of first polyimide heating plates (2-2) positioned on any second inner cavity plate (2-3) are arranged in a matrix, a plurality of first polyimide heating plates (2-2) are mounted on each first inner cavity plate (2-1), and a plurality of first polyimide heating plates (2-2) positioned on any first inner cavity plate (2-1) are arranged in a matrix;

and each first inner cavity plate (2-1) is provided with one insulation plate (2-4).

5. The modular forming box device for laser sintering according to claim 4, characterized in that the forming box piston structure (3) is provided between the top and middle layers of the rectangular frame structure, the forming box piston structure (3) is provided within the rectangular cylinder structure, the forming box piston structure (3) comprises:

the core datum positioning plate comprises a screw power unit (3-11) and a power screw (3-9), wherein the screw power unit (3-11) is installed on the core datum positioning plate (1-3), the lower end of the power screw (3-9) is connected with the screw power unit (3-11), and the power screw (3-9) is vertically arranged;

the power screw rod type piston rod comprises a piston plate cushion block (3-1), a piston plate working surface (3-2), a second polyimide heating sheet (3-3), a sealing felt (3-4), a piston bottom plate (3-5) and a piston plate installation reference seat (3-6), the upper end of a power screw rod (3-9) is connected with the piston plate installation reference seat (3-6), the piston plate cushion block (3-1) and the sealing felt (3-4) are arranged between the second polyimide heating sheet (3-3) and the piston bottom plate (3-5), the piston plate working surface (3-2) is arranged above the second polyimide heating sheet (3-3), the piston bottom plate (3-5) is arranged above the piston plate installation reference seat (3-6), and the piston plate cushion block (3-1) is arranged, The piston plate working surface (3-2), the second polyimide heating sheet (3-3), the sealing felt (3-4), the piston bottom plate (3-5) and the piston plate mounting reference seat (3-6) are fixedly connected through bolts;

the core datum positioning plate (1-3) is provided with at least one guide linear bearing (3-12), each guide linear bearing (3-12) is internally provided with one guide linear shaft (3-8), and the upper end of each guide linear shaft (3-8) is connected with the piston plate mounting datum base (3-6);

the movable end fixing frame (3-7) of the grating ruler and the grating ruler (3-10) are arranged on the lower surface of the piston plate mounting reference base (3-6), the movable end fixing frame (3-7) of the grating ruler is arranged on the lower surface of the piston plate mounting reference base (3-6), the upper end of the grating ruler (3-10) is connected with the movable end fixing frame (3-7) of the grating ruler, and the lower end of the grating ruler (3-10) is connected with the core reference positioning plate (1-3).

6. The modular forming box device for laser sintering according to claim 5, characterized in that the forming box housing (4) is provided outside the rectangular frame structure, the forming box housing (4) comprising:

the front sheet metal shell (4-6) is arranged on the front surface of the rectangular frame structure;

the upper sheet metal shell (4-4) is mounted at the upper part of the rectangular frame structure;

the lower sheet metal shell (4-9), the said lower sheet metal shell (4-9) is installed in the inferior part of the rectangular frame structure;

the bottom dustproof sheet metal (4-8) is arranged on the bottom layer of the rectangular frame structure;

the lower end of the inner isolation metal plate (4-7) is connected with the bottom dustproof metal plate (4-8), and the upper end of the inner isolation metal plate (4-7) is connected with the core datum positioning plate (1-3).

7. The modular forming box device for laser sintering according to claim 6, characterized in that the forming box housing (4) further comprises:

the heavy aerial plug connector comprises a heavy aerial plug connector (4-10), a compressed air input port (4-11) and a connector interface fixing plate (4-12), wherein the heavy aerial plug connector (4-10) and the compressed air input port (4-11) are arranged behind a rectangular frame structure, the connector interface fixing plate (4-12) is installed on a bottom dustproof metal plate (4-8), and the heavy aerial plug connector (4-10) and the compressed air input port (4-11) are installed on the connector interface fixing plate (4-12);

the upper sheet metal shell (4-4) is provided with at least one handle (4-5), and the handles (4-5) are arranged behind the rectangular frame structure;

sealing strip (4-1), polytetrafluoroethylene guide block (4-2) and top sealing strip clamp plate (4-3), top sealing strip clamp plate (4-3) with upper portion panel beating shell (4-4) pass through sealing strip (4-1) are connected, install polytetrafluoroethylene guide block (4-2) on top sealing strip clamp plate (4-3).

8. The modular forming box device for laser sintering according to claim 7, characterized in that the forming box hydraulic and electric piping system (5) is provided inside the rectangular frame structure, the forming box hydraulic and electric piping system (5) comprising:

the device comprises a micro pump station (5-1) and hydraulic pipeline tee joints (5-2), wherein at least two micro pump stations (5-1) are arranged behind the middle layer of a rectangular frame structure, and each micro pump station (5-1) is provided with at least one hydraulic pipeline tee joint (5-2);

the hydraulic cylinder welding device comprises mini hydraulic cylinders (5-3), hydraulic cylinder adjusting cushion blocks (5-4), hydraulic cylinder connectors (5-5), guide pin shafts (5-6) and hydraulic cylinder action blocks (5-7), wherein the cylinder body of each mini hydraulic cylinder (5-3) is connected with the upper surface of a first welding steel pipe (1-4) through one hydraulic cylinder adjusting cushion block (5-4), the cylinder rod of each mini hydraulic cylinder (5-3) is connected with one hydraulic cylinder action block (5-7) through one hydraulic cylinder connector (5-5), and each hydraulic cylinder action block (5-7) is connected with one first welding steel pipe (1-4) through a plurality of guide pin shafts (5-6);

the heavy-duty aerial plug comprises two-position five-way pneumatic solenoid valves (5-16) and gas confluence plates (5-17), wherein the gas confluence plates (5-17) are installed at the bottom layer of a rectangular frame structure, the two-position five-way pneumatic solenoid valves (5-16) are installed on the gas confluence plates (5-17), and each two-position five-way pneumatic solenoid valve (5-16) is connected with the heavy-duty aerial plug connector (4-10) through a line;

the hydraulic control system comprises three-position four-way hydraulic solenoid valves (5-14) and vertical hydraulic meters (5-15), wherein each three-position four-way hydraulic solenoid valve (5-14) is installed on one hydraulic valve fixing piece (1-18), each three-position four-way hydraulic solenoid valve (5-14) is provided with one vertical hydraulic meter (5-15), and each three-position four-way hydraulic solenoid valve (5-14) is connected with the heavy aerial connector (4-10) through a circuit.

9. The modular forming box device for laser sintering according to claim 8, characterized in that the forming box fluid electric piping system (5) further comprises:

a plurality of gas-liquid pipelines (5-12) and at least one hydraulic valve oil circuit block (5-13), wherein the gas manifold plate (5-17) is communicated with the compressed air input port (4-11) through one gas-liquid pipeline (5-12), each micro cylinder (1-24) is communicated with the two-position five-way pneumatic solenoid valve (5-16) through one gas-liquid pipeline (5-12), and each mini hydraulic cylinder (5-3) is communicated with one hydraulic valve oil circuit block (5-13) through one gas-liquid pipeline (5-12);

at least one hydraulic pipeline angle joint (5-8), at least one horizontal hydraulic pressure meter (5-9), at least one hydraulic pressure choke valve (5-10) and at least one hydraulic pressure pipe diameter adapter (5-11), each install one on hydraulic pipeline tee bend (5-2) hydraulic pipeline angle joint (5-8), one horizontal hydraulic pressure meter (5-9) and one hydraulic pressure choke valve (5-10), each install one on hydraulic pressure choke valve (5-10) hydraulic pressure pipe diameter adapter (5-11), each hydraulic pressure pipe diameter adapter (5-11) and one three-position four-way hydraulic pressure solenoid valve (5-14) are through one gas-liquid pipeline (5-12) intercommunication, each hydraulic pipeline angle joint (5-8) and one three-position four-way hydraulic pressure solenoid valve (5-14) are through one One of the gas-liquid lines (5-12) is communicated.

10. The modular forming box device for laser sintering according to claim 9, characterized in that it is adapted to a working environment clamping device (6) to the external working environment, said working environment clamping device (6) comprising: the device comprises longitudinal positioning guide rails (6-1), locking cylinders (6-2) and a working table top (6-3), wherein a working environment clamping device (6) is arranged on the front face of a rectangular frame structure, two rows of the longitudinal positioning guide rails (6-1) are arranged on the working environment clamping device (6), two locking cylinders (6-2) are installed on each row of the longitudinal positioning guide rails (6-1), the locking cylinders (6-2) can operatively slide along the guide rails connected with the locking cylinders, and each locking cylinder (6-2) is operatively connected with one forming box external positioning piece (1-2) in a matching manner; the working environment clamping device (6) is provided with the working table top (6-3), and the working table top (6-3) can be operably abutted against the upper surface of the rectangular frame structure.