WO2020168684A1 - 一种大规格压砖模具及压砖方法 - Google Patents

一种大规格压砖模具及压砖方法 Download PDF

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Publication number
WO2020168684A1
WO2020168684A1 PCT/CN2019/097940 CN2019097940W WO2020168684A1 WO 2020168684 A1 WO2020168684 A1 WO 2020168684A1 CN 2019097940 W CN2019097940 W CN 2019097940W WO 2020168684 A1 WO2020168684 A1 WO 2020168684A1
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Prior art keywords
mold
floating
brick
frame
fixed
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PCT/CN2019/097940
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English (en)
French (fr)
Inventor
梁飞峰
李绍勇
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广东科达洁能股份有限公司
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Publication of WO2020168684A1 publication Critical patent/WO2020168684A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/26—Extrusion dies

Definitions

  • the invention relates to the technical field of ceramic plate forming, in particular to a large-size brick pressing mold and a brick pressing method.
  • the existing large-size ceramic plates are mainly formed by traditional large-size brick pressing molds.
  • the traditional large-size brick pressing mold includes an upper mold 1'and a lower mold 2'.
  • the upper mold 1' mainly includes an upper mold core 11' and an upper magnetic plate 12'
  • the lower mold 2' mainly includes a lower mold.
  • the lower mold mounting plate 23' is fixed on the press base by screws
  • the lower mold frame 21' is connected to the lower mold mounting plate 23' through a support rod 27'
  • the lower mold core 24' is attracted to the lower magnetic plate by magnetic force.
  • the upper and lower magnetic plates 25' are fixed on the ejector plate 26' by screws.
  • the press ejection device drives the ejector plate 26', the lower magnetic attraction plate 25' and the lower mold core 24' to move up and down together.
  • the upper magnetic suction plate 12' of the upper mold is fixed on the pressing beam by screws, and the upper mold core 11' is attracted by the magnetic force, and moves up and down with the beam.
  • the upper mold 1' is installed on the movable beam of the press, and the lower mold 2'is installed on the base of the press.
  • the base has an ejection device; the upper mold core 11' and the movable beam are located In the high position; the ejector device of the press drives the lower mold core 24' to rise to the filling depth position, the feeder of the feeder feeds into the mold cavity, and scrapes the material flat when returning; the ejector device drives the lower mold core 24' to drop to In the lowest position, the moving beam drives the upper mold core 11' down to suppress the powder; after pressing, the moving beam drives the upper mold core 11' to rise to a safe high position, while the ejection device drives the lower mold core 24' to rise to eject the bricks from the cavity , When the feeder of the cart feeder is filled again, the bricks are pushed out of the mold, and the ejector device drives the lower mold core down to the depth of the filling, completing one cycle and entering the next cycle.
  • the traditional large-size brick pressing mold Due to the large cloth area of large-size ceramic plates, the traditional large-size brick pressing mold has the disadvantages of uneven cloth and difficulty in pushing bricks, and it is impossible to produce super-large ceramic plates over 2m.
  • the technical problem to be solved by the present invention is to provide a large-size brick pressing mold, which can press super-large ceramic plates without pushing bricks, and has a good brick forming effect.
  • the technical problem to be solved by the present invention is also to provide a method for pressing large-size ceramic plates without pushing bricks, the bricks have good forming effects, and are suitable for pressing large-size ceramic plates.
  • the present invention provides a large-size brick press mold, including a movable mold and a fixed mold, the fixed mold is fixed on the press base, and the movable mold is movable relative to the fixed mold;
  • the fixed mold is used to carry ceramic powder
  • the movable mold includes a mold core, a floating mold frame, and a driving mechanism, and the driving mechanism is connected with the floating mold frame to drive the floating mold frame to move up and down relative to the mold core;
  • the floating mold frame descends and frames the ceramic powder, the mold core cooperates with the floating mold frame to form a containing cavity, and then presses the ceramic powder to complete the brick pressing.
  • the floating mold frame includes a mold frame body and an insert, the insert is fixed to the bottom of the mold body, the insert is arranged along the circumferential direction of the mold body, and the bottom protrudes from The mold frame body;
  • the driving mechanism is connected with the mold frame body, and the mold core cooperates with the molding strip to form an accommodating cavity.
  • the movable mold further includes a mounting plate and a magnetic attraction plate, the mounting plate is fixed on the presser beam, the magnetic attraction plate is fixed on the mounting plate, and the mold core is attracted by magnetic force.
  • the floating mold frame is connected with the mounting plate through a driving mechanism, so that the floating mold frame and the mold core move relative to each other.
  • a travel limit block is provided on the mounting plate, and the travel limit block is used to limit the highest position of the floating mold frame moving upward.
  • a guide device is provided on the mounting plate and the floating mold frame, and the guide device includes a sleeve provided on the mounting plate and a guide post provided on the floating mold frame, so The guide post is matched with the sleeve.
  • a conveyor belt is provided on the fixed mold, and the conveyor belt is used for conveying ceramic powder and bricks, which is in contact with the upper surface of the fixed mold.
  • the driving mechanism is a lifting cylinder
  • the lifting cylinder is connected with an overflow valve, and the lifting cylinder maintains a constant pressure during compression.
  • the present invention also provides a method for pressing large-size ceramic plates, including:
  • the driving mechanism drives the floating mold frame to descend and frame the ceramic powder on the conveyor belt, and the pressure motor beam drives the movable mold to descend, pressing the ceramic powder in the containing cavity into a brick;
  • the driving mechanism drives the floating mold frame to rise to separate the brick blank from the floating mold frame, and the pressing motor beam further drives the movable mold to rise to separate the brick blank from the mold core;
  • the conveyor belt conveys the bricks on the surface, and at the same time conveys the arranged ceramic powder to the top of the fixed mold.
  • the invention discloses a large-size brick pressing mold and a brick pressing method.
  • a conveyor belt sends ceramic powder to the top of a fixed mold.
  • the floating mold frame is first driven to descend and the mold core forms an accommodating cavity while framed
  • the ceramic powder is then pressed by a motorized beam to drive the mold core to press the ceramic powder, and the floating mold frame remains stationary to realize the pressing of the ceramic plate;
  • the floating mold frame is driven to rise to make the brick and float
  • the mold frame is separated to further drive the movable mold to rise as a whole to separate the brick blank from the mold core;
  • the present invention carries ceramic powder on the surface of the fixed mold, and the mold core and the floating mold frame cooperate to form a containing cavity, and the entire brick pressing process does not need to fill the containing cavity
  • the floating mold frame and the mold core are driven to separate the bricks, and the bricks are conveyed by the conveyor belt without pushing the bricks.
  • the ceramic plate has a good forming effect
  • Figure 1 is a schematic diagram of the existing large-size brick press mold structure
  • Fig. 2 is a schematic view of a half-section structure of an embodiment of a large-size brick pressing mold of the present invention before brick pressing;
  • Figure 3 is a schematic view of the structure of Figure 2 along the C-C section;
  • FIG. 4 is a schematic diagram of a half-section structure of the large-size brick pressing mold of FIG. 2 when pressing bricks;
  • Figure 5 is a schematic view of the structure of Figure 4 along the C-C section;
  • Fig. 6 is a schematic diagram of an enlarged structure of part D in Fig. 4;
  • FIG. 7 is a schematic diagram of the structure of the large-size brick pressing mold of FIG. 2 after brick pressing is completed;
  • FIG. 8 is a schematic diagram of an enlarged structure of part D in FIG. 7.
  • the present invention provides an embodiment of a large-size brick pressing mold, which includes a movable mold 1 and a fixed mold 2.
  • the fixed mold 2 is fixed on the press base (not shown in the figure),
  • the movable mold 1 is movable relative to the fixed mold 2;
  • the fixed mold 2 is used to carry ceramic powder A;
  • the movable mold 1 includes a mold core 11, a floating mold frame 12, and a drive mechanism 13, the drive mechanism 13 Connected with the floating mold frame 12 to drive the floating mold frame 12 to move up and down relative to the mold core 11; the floating mold frame 12 descends and frames the ceramic powder A, and the mold core 11 and the floating mold frame 12
  • the accommodating cavity is formed by fitting, and then the ceramic powder A is pressed to press the ceramic powder A into a brick B.
  • the super-large-size ceramic plate in the present invention refers to a ceramic plate with a length of 2 m and above.
  • the invention can also be used to press ceramic plates less than 2m, but it is not economical. Due to the large size and heavy weight of the super-sized ceramic plates, the use of traditional brick molding molds has problems such as uneven cloth and difficulty in pushing bricks.
  • the floating mold frame 12 when the brick is pressed, the floating mold frame 12 is driven down to frame the ceramic powder A; the mold core 11 cooperates with the floating mold frame 12 to form an accommodating cavity, and then the mold core 11 presses the ceramic powder to achieve The ceramic plate is pressed and molded; when the brick pressing is completed, the floating mold frame 12 is driven to separate the brick B from the floating mold frame 12, and the movable mold 1 is further driven to rise as a whole to separate the brick B from the movable mold 1; the present invention
  • the surface of the fixed mold 2 carries the ceramic powder A, and the floating mold frame 12 is lowered to cooperate with the mold core 11 to form a containing cavity and frame the powder.
  • the entire compacting process does not need to fill the containing cavity, and after the compacting of the bricks is completed, they are driven to float successively
  • the mold frame 12 and the mold core 11 are separated from the brick B, and the brick is conveyed by the conveyor belt without pushing the brick.
  • the ceramic plate has a good forming effect, and is especially suitable for pressing super-large ceramic plates.
  • the floating mold frame 12 includes a mold frame body 121 and inserts 122, the inserts 122 are fixed to the bottom of the mold frame body 121, and the inserts 122 are arranged along the circumferential direction of the mold frame body 121, Its bottom protrudes from the mold frame body 121; the driving mechanism 13 is connected to the mold frame body 121, and the mold core 11 and the insert 122 cooperate to form a receiving cavity.
  • the movable mold 1 also includes a mounting plate 14 and a magnetic plate 15. The mounting plate 14 is fixed on the pressing beam, and the magnetic plate 15 is fixed on the mounting plate 14 by screws, and the mold core is attracted by magnetic force. 11.
  • the floating mold frame 12 is connected to the mounting plate 14 through a driving mechanism 13 to make the floating mold frame 12 and the mold core 11 move relatively.
  • one end of the driving mechanism 13 is fixed to the mounting plate 14 and the other end is connected to the floating mold frame 12 to drive the floating mold frame 12 to rise or fall.
  • the fixed mold 2 includes a fixed mold plate 21 and a fixed mold mounting plate 22, the fixed mold plate 21 is fixed to the fixed mold mounting plate 22, and the fixed mold mounting plate 22 is connected to a press base.
  • the bottom of the floating mold frame 12 is provided with inserts 15 along the circumferential direction, the bottom of the inserts 15 protrudes from the mold frame body 12, and the gap between the inner surface of the mold core 11 and the inserts 15 is 0.05- 0.2mm.
  • a conveyor belt 3 is provided between the fixed mold 2 and the movable mold 1 in this embodiment.
  • the conveyor belt 3 is used to arrange and convey the ceramic powder A; when the brick is pressed, the conveyor belt 3 and the fixed mold 2 carry the ceramic powder A together; after the brick is pressed, the pressed brick B is conveyed
  • the belt 3 is conveyed out, and the arranged ceramic powder A is conveyed to the top of the fixed mold 2 at the same time.
  • the conveyor belt 3 is preferably in contact with the upper surface of the fixed mold 2.
  • this embodiment in the process of driving the floating mold frame 12 to frame the ceramic powder A, preferably lowers the floating mold frame 12 to the bottom of the molding 122 and conveys At the contact position of the belt 3, the ceramic powder A is cut into two parts, the ceramic powder A1 to be pressed and the side material A2. The purpose is to prevent the ceramic powder A1 to be pressed from extruding out during pressing, and then start the pressing motor beam to drive the core 11 Press the ceramic powder A1 to be pressed into brick B.
  • the driving mechanism 13 is preferably a lifting cylinder, which is controlled by a hydraulic system, and the lifting cylinder is connected with an overflow valve.
  • the overflow valve In the process of pressing bricks, when the pressure exerted by the driving beam on the lifting cylinder is not greater than the set pressure value of the overflow valve, the overflow valve is closed, and the lifting cylinder maintains a constant pressure on the floating mold frame 12;
  • the relief valve opens to relieve the pressure, so that the hydraulic oil in the lifting cylinder flows to the return line of the hydraulic system, and the lifting cylinder automatically releases the pressure to protect the lifting
  • the oil cylinder is not damaged by overload, and at the same time, the constant pressure of the lifting oil cylinder is ensured, which can effectively make the floating mold frame 12 bear constant pressure.
  • a stroke limit block 16 is provided on the mounting plate 14, and the stroke limit block 16 is used to limit the highest position of the floating mold frame 12 and protect the lifting cylinder from being damaged.
  • the stroke limit block 16 is preferably in the shape of an "I" shape, and needs to be hoisted and transported when the mold is installed and repaired.
  • the floating mold frame 12 and the stroke limit block 16 are fixed by screws to prevent damage to the floating mold during the hoisting and transport process. Frame 12 and lifting cylinder.
  • a guide device is provided on the mounting plate 14 and the floating mold frame 12.
  • the guide device includes a sleeve 17 provided on the mounting plate 14, and The guide post 18 on the floating mold frame 12 is adapted to the sleeve 17.
  • the present invention also discloses an embodiment of a method for pressing large-size ceramic plates, which specifically includes:
  • S101 arranges ceramic powder A evenly on the conveyor belt 3, and the conveyor belt 3 conveys the ceramic powder A to the top of the fixed mold 2;
  • the hopper of the cloth distributing mechanism distributes uniformly on the conveyor belt 3, and at the same time, the conveying belt 3 further conveys the cloth ceramic powder A to above the center of the fixed mold 2.
  • the S102 driving mechanism 13 drives the floating mold frame 12 to descend and frames the ceramic powder A on the conveyor belt 3, and the pressure motor beam drives the movable mold 1 to descend, and the ceramic powder A between the floating mold frame 12 and the mold core 11 is pressed into Brick B;
  • the lifting cylinder drives the floating mold frame 12 to descend, and the insert 15 at the bottom of the floating mold frame 12 contacts the surface of the conveyor belt 3 to frame the ceramic powder A and the brick press
  • the movable beam further drives the core 11 of the movable mold 1 to descend, and the floating mold frame 12 does not move to prevent the ceramic powder A from being extruded, so that the ceramic powder A is pressed into a brick B.
  • the fixed mold 2 carries the ceramic The pressure of powder A, movable mold 1 and movable beam.
  • the S103 driving mechanism 13 drives the floating mold frame 12 to rise to separate the brick B from the floating mold frame 12, and the driving beam further drives the movable mold 1 to rise to separate the brick B from the mold core 11;
  • the lifting oil cylinder drives the floating mold frame 12 to rise to separate the brick B from the floating mold frame 12. Then, the movable beam for brick pressing drives the movable mold 1 to rise, so that the brick B and the mold The core 11 is separated.
  • the S104 conveyor belt 3 conveys the brick B on its surface, and at the same time conveys the arranged ceramic powder A to the top of the fixed mold 2.
  • the conveyor belt 3 further outputs the brick B and the side material A2 on its surface, and again conveys the laid ceramic powder A to the center of the fixed mold 2 to press the next brick B.
  • the invention discloses a large-size brick pressing mold and a brick pressing method.
  • the ceramic powder is sent to the top of the fixed mold through a conveyor belt.
  • the floating mold frame is driven down and the mold core forms a containing cavity. Hold the ceramic powder, and then press the motorized beam to drive the mold core to press the ceramic powder to realize the pressing of the ceramic plate;
  • the floating mold frame is driven to rise to separate the brick blank from the floating mold frame and further drive
  • the ceramic powder is carried on the surface of the fixed mold, and the floating mold frame is lowered to cooperate with the mold core to form an accommodating cavity, without filling in the accommodating cavity, and the ceramic powder and bricks can be conveyed through the conveyor belt above the fixed mold;
  • the floating mold frame can frame the ceramic powder before the brick is pressed.
  • the ceramic powder is cut into two parts, the ceramic powder to be pressed and the side material, so that the pressed ceramic plate has a good forming effect;
  • the compacted bricks of the present invention have high density, and the pattern on the surface of the bricks is made on the mold core, which can suppress the back pattern and facilitate the paving of ceramic plates;
  • the large-size brick pressing mold of the present invention can also be used to press common-size ceramic plates. What is disclosed above is only a preferred embodiment of the present invention, which of course cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

一种大规格压砖模具，包括动模（1）和定模（2），所述定模（2）固定在压机底座，所述动模（1）相对于定模（2）可移动；所述定模（2）用于承载陶瓷粉料（A）；所述动模（1）包括模芯（11）、浮动模框（12）和驱动机构（13），所述驱动机构（13）与浮动模框（12）连接，以驱动所述浮动模框（12）相对所述模芯（11）上下移动；所述浮动模框（12）下降并框住陶瓷粉料（A），所述模芯（11）与浮动模框（12）配合形成容纳腔，然后向陶瓷粉料（A）施压，以完成压砖。此外，还涉及基于上述大规格压砖模具的压砖方法。该大规格压砖模具及压砖方法可压制超大规格的陶瓷板，其无需推砖，砖坯（B）成型效果好。

Description

一种大规格压砖模具及压砖方法 技术领域
本发明涉及陶瓷板成型技术领域，尤其涉及一种大规格压砖模具及压砖方法。
背景技术
现有大规格陶瓷板的成型主要通过传统的大规格压砖模具成型。如图1所示，传统的大规格压砖模具包括上模具1'和下模具2'，上模具1'主要包括上模芯11'及上磁吸板12'，下模具2'主要包括下模框21'、镶条22'、下模安装板23'、下模芯24'、下磁吸板25'、推顶板26'及支撑杆27'。其中，下模安装板23'通过螺钉固定在压机底座上，下模框21'通过支撑杆27'与下模安装板23'相连接，下模芯24'通过磁力被吸在下磁吸板25'上，而下磁吸板25'通过螺钉固定在推顶板26'上。压机顶出装置驱动推顶板26'、下磁吸板25'和下模芯24'一起上下运动。上模具的上磁吸板12'通过螺钉固定在压机动梁上，并通过磁力吸住上模芯11'，一起随动梁上下运动。在压砖成型开始时，上模具1'安装在压机的动梁上，下模具2'安装在压机的底座上，底座上有顶出装置；上模芯11'及压机动梁都处在高位；压机的顶出装置驱动下模芯24'上升到填料深度位置，料车喂料架向模腔内填料，返回时将料刮平；顶出装置驱动下模芯24'下降到最低位，动梁驱动上模芯11'下降对粉料进行压制；压制后动梁驱动上模芯11'上升到安全高位，同时顶出装置带动下模芯24'上升将砖坯顶出模腔，料车喂料架再次填料时将砖坯推出模具，顶出装置带动下模芯下降到填料深度位置，完成一个循环，并进入下一个循环。
由于大规格陶瓷板的布料面积大，传统的大规格压砖模具存在布料不均匀和推砖困难等缺点，无法生产2m以上的超大规格陶瓷板。
发明内容
本发明所要解决的技术问题在于，提供一种大规格压砖模具，可压制超大规格的陶瓷板，其无需推砖，砖坯成型效果好。
本发明所要解决的技术问题还在于，提供一种大规格陶瓷板的压砖方法，无需推砖，砖坯的成型效果好，适于压制超大规格的陶瓷板。
为了解决上述技术问题，本发明提供了一种大规格压砖模具，包括动模和定模，所述定模固定在压机底座，所述动模相对于定模可移动；
所述定模用于承载陶瓷粉料；
所述动模包括模芯、浮动模框和驱动机构，所述驱动机构与浮动模框连接，以驱动所述浮动模框相对所述模芯上下移动；
所述浮动模框下降并框住陶瓷粉料，所述模芯与浮动模框配合形成容纳腔，然后向陶瓷粉料施压，以完成压砖。
作为上述方案的改进，所述浮动模框包括模框本体及镶条，所述镶条与模框本体的底部固定，所述镶条沿所述模框本体的周向设置，其底部突出于所述模框本体；
所述驱动机构与所述模框本体连接，所述模芯与镶条配合形成容纳腔。
作为上述方案的改进，所述动模还包括安装板和磁吸板，所述安装板固定在压机动梁上，所述磁吸板固定在安装板上，并通过磁力吸住模芯。
作为上述方案的改进，所述浮动模框通过驱动机构与安装板相连接，以使浮动模框与模芯之间相对运动。
作为上述方案的改进，所述安装板上设有行程限位块，所述行程限位块用于限定所述浮动模框向上移动的最高位置。
作为上述方案的改进，所述安装板及浮动模框上设有导向装置，所述导向装置包括设于所述安装板上的套筒，以及设于所述浮动模框上的导向柱，所述导向柱与所述套筒相适配。
作为上述方案的改进，所述浮动模框上升至最高位置时，所述模 芯的下表面与所述镶条底部相齐平。
作为上述方案的改进，所述定模上设有输送皮带，所述输送皮带用于输送陶瓷粉料及砖坯，其与所述定模的上表面相接触。
作为上述方案的改进，所述驱动机构为升降油缸，所述升降油缸连接有溢流阀，所述升降油缸在压制时保持恒压。
相应地，本发明还提供了一种大规格陶瓷板的压砖方法，包括：
(1)将陶瓷粉料均匀布置在输送皮带上，输送皮带将陶瓷粉料输送至定模上方；
(2)驱动机构驱动浮动模框下降并框住输送皮带上的陶瓷粉料，压机动梁驱动动模下降，将容纳腔内部的陶瓷粉料压制成砖坯；
(3)驱动机构驱动浮动模框上升，使砖坯与浮动模框分离，压机动梁进一步驱动动模上升，使砖坯与模芯分离；
(4)输送皮带将其表面的砖坯输送出去，同时将布置好的陶瓷粉料输送至定模上方。
实施本发明，具有如下有益效果：
本发明公开了一种大规格压砖模具及压砖方法，输送皮带将陶瓷粉料送到定模上方，在进行压砖时，先驱动浮动模框下降与模芯形成容纳腔，同时框住陶瓷粉料，然后压机动梁驱动模芯向陶瓷粉料施压，浮动模框保持不动，实现陶瓷板的压制；当压砖完成后，通过驱动所述浮动模框上升以使砖坯与浮动模框分离，进一步驱动动模整体上升以使砖坯与模芯分离；本发明通过定模表面承载陶瓷粉料，模芯与浮动模框配合形成容纳腔，整个压砖过程无需向容纳腔内填料，且砖坯压制完成后先后通过驱动浮动模框及模芯与砖坯分离，输送皮带输送砖坯，无需推砖，陶瓷板的成型效果好，尤其适于压制超大规格陶瓷板。
附图说明
图1是现有的大规格压砖模具结构示意图；
图2是本发明一种大规格压砖模具的一实施例压砖前的半剖结 构示意图；
图3是图2沿C-C截面的结构示意图；
图4是图2的大规格压砖模具压砖时的半剖结构示意图；
图5是图4沿C-C截面的结构示意图；
图6是图4的D部放大结构示意图；
图7是图2的大规格压砖模具压砖完成后的结构示意图；
图8是图7的D部放大结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述。
如图2所示，本发明提供了一种大规格压砖模具的一实施例，包括动模1和定模2，所述定模2固定在压机底座上(图中未示出)，所述动模1相对于定模2可移动；所述定模2用于承载陶瓷粉料A；所述动模1包括模芯11和浮动模框12和驱动机构13，所述驱动机构13与浮动模框12连接，以驱动所述浮动模框12相对于所述模芯11上下移动；所述浮动模框12下降并框住陶瓷粉料A，所述模芯11与浮动模框12配合形成容纳腔，然后向陶瓷粉料A施压，以将陶瓷粉料A压制成砖坯B。
需要说明的是，本发明所述的超大规格陶瓷板，是指长度在2m及以上的陶瓷板。本发明也可以用于压制2m以下陶瓷板，但不经济。由于超大规格陶瓷板尺寸大、质量重，采用传统压砖模具成型存在布料不均及推砖难度大的问题。本实施例在进行压砖时，通过驱动所述浮动模框12下降框住陶瓷粉料A；模芯11与浮动模框12配合形成容纳腔，然后模芯11向陶瓷粉料施压，实现陶瓷板压制成型；当压砖完成后，通过驱动所述浮动模框12上升以使砖坯B与浮动模框12分离，进一步驱动动模1整体上升以使砖坯B与动模1分离；本发明通过定模2表面承载陶瓷粉料A，浮动模框12下降与模芯11配合形成容纳腔并框住粉料，整个压砖过程无需向容纳腔内填料，且砖坯压 制完成后先后通过驱动浮动模框12及模芯11与砖坯B分离，输送皮带输送砖坯，无需推砖，陶瓷板的成型效果好，尤其适于压制超大规格陶瓷板。
具体地，所述浮动模框12包括模框本体121及镶条122，所述镶条122与模框本体121的底部固定，所述镶条122沿所述模框本体121的周向设置，其底部突出于所述模框本体121；所述驱动机构13与所述模框本体121连接，所述模芯11与镶条122配合形成容纳腔。所述动模1还包括安装板14和磁吸板15，所述安装板14固定在压机动梁上，所述磁吸板15通过螺钉固定在安装板14上，并通过磁力吸住模芯11。所述浮动模框12通过驱动机构13与安装板14相连接，以使浮动模框12与模芯11之间相对运动。具体地，所述驱动机构13的一端与所述安装板14固定，另一端与所述浮动模框12连接以驱动所述浮动模框12上升或下降。所述定模2包括定模板21及定模安装板22，所述定模板21与所述定模安装板22固定，所述定模安装板22与压机底座连接。此外，所述浮动模框12的底部沿周向设有镶条15，所述镶条15底部突出于所述模框本体12，所述模芯11与所述镶条15的内表面间隙为0.05-0.2mm。本实施例所述定模2及动模1之间设有输送皮带3。工作时，所述输送皮带3用于布置和输送陶瓷粉料A；压砖时，所述输送皮带3与定模2一同承载陶瓷粉料A；压砖完成后，压制成的砖坯B经输送皮带3输送出去，同时将布置好的陶瓷粉料A输送至定模2上方。为提高砖坯B压制质量，所述输送皮带3优选与所述定模2的上表面相接触。需要说明的是，为获得更好的压砖效果，在驱动浮动模框12框住陶瓷粉料A的过程中，本实施例优选地将所述浮动模框12下降至镶条122底部与输送皮带3接触的位置，将陶瓷粉料A切成为待压制陶瓷粉料A1和边料A2两部分，目的是压制时防止待压制陶瓷粉料A1向外挤出，再启动压机动梁驱动模芯11将待压制陶瓷粉料A1压制成砖坯B。
所述驱动机构13优选为升降油缸，所述升降油缸由液压系统控制，所述升降油缸连接有溢流阀。在压砖过程中，当压机动梁对升降 油缸施加的压力不大于溢流阀的设定压力值时，溢流阀处于关闭状态，升降油缸对浮动模框12保持恒压；当压机动梁对升降油缸施加的压力超过溢流阀的设定压力值时，所述溢流阀打开泄压，使升降油缸内的液压油流向液压系统的回流管路，使升降油缸自动泄压以保护升降油缸不受过载破坏，同时确保升降油缸恒压，能有效使浮动模框12承载恒压。
优选地，所述安装板14上设有行程限位块16，所述行程限位块16用于限定所述浮动模框12上升的最高位置，保护升降油缸不被损坏。所述浮动模框12上升至最高位置时，所述模芯11的下表面与所述镶条15端面相齐平，以使砖坯B与浮动模框12彻底分离。所述行程限位块16优选为“工”字形，在安装和维修模具时需要吊装、搬运，将浮动模框12与行程限位块16通过螺钉固定，可以防止吊装、搬运过程中损坏浮动模框12及升降油缸。为增加浮动模框12升降的可靠性，所述安装板14及浮动模框12上设有导向装置，所述导向装置包括设于所述安装板14上的套筒17，以及设于所述浮动模框12上的导向柱18，所述导向柱18与所述套筒17相适配。
相应地，本发明还公开了一种大规格陶瓷板的压砖方法的一实施例，具体包括：
S101将陶瓷粉料A均匀布置在输送皮带3上，输送皮带3将陶瓷粉料A输送至定模2上方；
结合图3，工作时，布料机构的料斗向输送皮带3上均匀布料，同时输送皮带3进一步将布好的陶瓷粉料A输送至定模2中心上方。
S102驱动机构13驱动浮动模框12下降并框住输送皮带3上的陶瓷粉料A，压机动梁驱动动模1下降，将浮动模框12及模芯11之间的陶瓷粉料A压制成砖坯B；
结合图4-6，压砖时，升降油缸驱动浮动模框12下降，所述浮动模框12底部的镶条15与输送皮带3表面相接触，以框住陶瓷粉料A，压砖机的动梁进一步驱动动模1的模芯11下降，浮动模框12不动，防止陶瓷粉料A被挤出，以将陶瓷粉料A压制成砖坯B，在该过程中， 定模2承载陶瓷粉料A、动模1及动梁的压力。
S103驱动机构13驱动浮动模框12上升，使砖坯B与浮动模框12分离，压机动梁进一步驱动动模1上升，使砖坯B与模芯11分离；
结合图7和图8，压砖完成后，升降油缸驱动所述浮动模框12上升以使砖坯B与浮动模框12分离，随后，压砖机动梁驱动动模1上升，使砖坯B与模芯11分离。
S104输送皮带3将其表面的砖坯B输送出去，同时将布置好的陶瓷粉料A输送至定模2上方。
输送皮带3进一步将其表面的砖坯B及边料A2输出，并再次将布好的陶瓷粉料A输送至定模2中心上方进行下一砖坯B的压制。
综上所述，实施本发明具有如下有益效果：
本发明公开了一种大规格压砖模具及压砖方法，通过输送皮带将陶瓷粉料送到定模上方，在进行压砖时，先驱动浮动模框下降与模芯形成容纳腔，同时框住陶瓷粉料，然后压机动梁驱动模芯向陶瓷粉料施压，实现陶瓷板的压制；当压砖完成后，通过驱动所述浮动模框上升以使砖坯与浮动模框分离，进一步驱动动模整体上升以使砖坯与模芯分离；本发明具有如下优点：
1、本发明通过定模表面承载陶瓷粉料，浮动模框下降与模芯配合形成容纳腔，无需在容纳腔内进行填料，通过定模上方的输送皮带即实现输送陶粉料和砖坯；
2、浮动模框在砖坯压制前可框住陶瓷粉料，先将陶瓷粉料切成为待压制陶瓷粉料和边料两部分，使得压制的陶瓷板成型效果好；
3、砖坯压制完成后先后通过驱动浮动模框及模芯与砖坯分离，砖坯成型后始终在输送皮带上，无需推砖，有助于砖坯保持良好的成型效果；
4、布料、陶瓷粉料输送、砖坯压制和砖坯输送均在输送皮带上完成，压砖效率高；
5、本发明压制成的砖坯致密度高，且在模芯上制作砖坯表面的花纹，可压制背纹，方便陶瓷板铺贴；
6、本发明的大规格压砖模具亦可用于压制普通规格的陶瓷板。以上所揭露的仅为本发明一种较佳实施例而已，当然不能以此来限定本发明之权利范围，因此依本发明权利要求所作的等同变化，仍属本发明所涵盖的范围。

Claims (10)

  1. 一种大规格压砖模具，其特征在于，包括动模和定模，所述定模固定在压机底座，所述动模相对于定模可移动；
    所述定模用于承载陶瓷粉料；
    所述动模包括模芯、浮动模框和驱动机构，所述驱动机构与浮动模框连接，以驱动所述浮动模框相对所述模芯上下移动；
    所述浮动模框下降并框住陶瓷粉料，所述模芯与浮动模框配合形成容纳腔，然后向陶瓷粉料施压，以完成压砖。
  2. 如权利要求1所述的大规格压砖模具，其特征在于，所述浮动模框包括模框本体及镶条，所述镶条与模框本体的底部固定，所述镶条沿所述模框本体的周向设置，其底部突出于所述模框本体；
    所述驱动机构与所述模框本体连接，所述模芯与镶条配合形成容纳腔。
  3. 如权利要求1所述的大规格压砖模具，其特征在于，所述动模还包括安装板和磁吸板，所述安装板固定在压机动梁上，所述磁吸板固定在安装板上，并通过磁力吸住模芯。
  4. 如权利要求3所述的大规格压砖模具，其特征在于，所述浮动模框通过驱动机构与安装板相连接，以使浮动模框与模芯之间相对运动。
  5. 如权利要求3所述的大规格压砖模具，其特征在于，所述安装板上设有行程限位块，所述行程限位块用于限定所述浮动模框向上移动的最高位置。
  6. 如权利要求3所述的大规格压砖模具，其特征在于，所述安 装板及浮动模框上设有导向装置，所述导向装置包括设于所述安装板上的套筒，以及设于所述浮动模框上的导向柱，所述导向柱与所述套筒相适配。
  7. 如权利要求5所述的大规格压砖模具，其特征在于，所述浮动模框上升至最高位置时，所述模芯的下表面与所述镶条底部相齐平。
  8. 如权利要求1所述的大规格压砖模具，其特征在于，所述定模上设有输送皮带，所述输送皮带用于输送陶瓷粉料及砖坯，其与所述定模的上表面相接触。
  9. 如权利要求1所述的大规格压砖模具，其特征在于，所述驱动机构为升降油缸，所述升降油缸连接有溢流阀，所述升降油缸在压制时保持恒压。
  10. 一种基于权利要求1-9任一项所述的大规格压砖模具的压砖方法，其特征在于，包括如下步骤：
    (1)将陶瓷粉料均匀布置在输送皮带上，输送皮带将陶瓷粉料输送至定模上方；
    (2)驱动机构驱动浮动模框下降并框住输送皮带上的陶瓷粉料，压机动梁驱动动模下降，将容纳腔内部的陶瓷粉料压制成砖坯；
    (3)驱动机构驱动浮动模框上升，使砖坯与浮动模框分离，压机动梁进一步驱动动模上升，使砖坯与模芯分离；
    (4)输送皮带将其表面的砖坯输送出去，同时将布置好的陶瓷粉料输送至定模上方。
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