CN112248475B

CN112248475B - Multi-piece artificial marble plate forming die and forming method

Info

Publication number: CN112248475B
Application number: CN202011097656.1A
Authority: CN
Inventors: 殷宗文; 查永飞; 刘明星; 吴柯; 殷少峰; 殷晨熙; 李丽; 王华志
Original assignee: Nanyang Yingliang Stone Industry Co ltd
Current assignee: Nanyang Yingliang Stone Industry Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2022-07-26
Anticipated expiration: 2040-10-14
Also published as: CN112248475A

Abstract

The invention relates to the field of artificial marble preparation, in particular to a multi-piece artificial marble slab forming die and a forming method thereof, and the multi-piece artificial marble slab forming die comprises a rack, wherein a die device is arranged on the rack, the die device comprises a plurality of layers of cuboid-shaped die boxes, a connecting pendant is arranged between every two adjacent layers of die boxes, die opening and closing devices are arranged on two sides of the die device, each die opening and closing device comprises a die closing push block and a die opening push block which are arranged on the side wall of each die box, a die closing driving device capable of pushing the die closing push blocks is arranged on the rack, a die opening driving device capable of pushing the die opening push blocks is arranged on the rack, a plurality of marble slabs can be formed simultaneously, the occupied space is small, the adjacent layers of die boxes are connected through a hook and a connecting column, the good positioning effect can be achieved, and the die closing push blocks, the die closing driving devices, the die opening driving devices and the connecting columns are arranged, The mould opening push block and the mould opening driving device are used for further carrying out layered box opening mould, and the operation is convenient.

Description

Multi-piece artificial marble plate forming die and forming method

Technical Field

The invention relates to the field of artificial marble preparation, in particular to a multi-sheet artificial marble plate forming die and a forming method.

Background

The artificial marble is made up by using broken stone of natural marble or granite as filling material and cement, gypsum and unsaturated polyester resin as adhesive through the processes of stirring, forming, grinding and polishing, so that the artificial marble possesses many characteristics of natural marble.

In the process of preparing the artificial marble plate, the steps of material preparation, stirring, injection molding, compaction, standing solidification, demolding, machining and the like are required, and in the forming process, a forming mold is used.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a multi-piece artificial marble plate forming die and a forming method, which can realize the simultaneous forming of a plurality of pieces of marble.

The invention is realized by the following technical scheme: a multi-piece artificial marble slab forming die comprises a frame, wherein a die device is arranged on the frame, the die device comprises a plurality of layers of cuboid-shaped die boxes, a connecting pendant is arranged between every two adjacent layers of die boxes, the connecting pendant comprises a connecting post arranged at the upper part of each die box and a hook arranged at the lower part of each die box, each hook is L-shaped, a first wing of each hook is fixed with the side wall of each die box, a second wing of each hook is transversely arranged, a fixing post matched with the hook at the lowermost layer is arranged on the frame, die opening and closing devices are arranged at two sides of each die device, each die opening and closing device comprises a die closing push block and a die opening push block which are arranged on the side wall of each die box, a die closing driving device capable of pushing the die closing push block is arranged on the frame, and a die opening driving device capable of pushing the die opening push block is arranged on the frame, the die assembly driving device comprises a first moving seat arranged on a rack, a first oil cylinder used for driving the first moving seat to move transversely is arranged on the rack, a second upward oil cylinder is arranged on the first moving seat, a first connecting plate is arranged at the tail end of a piston rod of the second oil cylinder, a first vertical push rod is arranged on the first connecting plate, a first guide sleeve used for guiding the first push rod is arranged on the first moving seat, the die opening driving device comprises a second moving seat arranged on the rack, a third oil cylinder used for driving the second moving seat to move transversely is arranged on the rack, a fourth upward oil cylinder is arranged on the second moving seat, a second connecting plate is arranged at the tail end of a piston rod of the fourth oil cylinder, a second vertical push rod is arranged on the second connecting plate, a second guide sleeve used for guiding the second push rod is arranged on the second moving seat, and a transverse push plate is arranged on the second connecting plate, the second oil cylinder and the fourth oil cylinder are both connected with a hydraulic pump station through metering pumps, and the first oil cylinder and the third oil cylinder are both connected with the hydraulic pump station through electromagnetic valves.

Furthermore, the first movable seat and the second movable seat both comprise vertical seat plates, the seat plates are connected with the rack through linear guide rails, the seat plates are connected with two parallel supporting plates, and the second oil cylinder and the fourth oil cylinder are fixed with the corresponding supporting plates.

Furthermore, the first push rod and the second push rod both comprise rod bodies, convex edges are arranged on the side walls of the rod bodies, the convex edges are matched with the corresponding die assembly push block and the corresponding die opening push block, and elastic cushions are arranged on the working surfaces of the convex edges.

Furthermore, balance rods are arranged between the first connecting plate and the second connecting plate and the corresponding supporting plates, and guide holes matched with the balance rods are formed in the supporting plates.

Further, the mould box includes outer box, be provided with interior box in the outer box, be provided with the brace rod between outer box and the interior box, interior box upper end is provided with outside backplate, the backplate outer end is buckled downwards and is fixed with outer box outer wall.

Furthermore, a sealing gasket is arranged between the guard plate and the upper end of the outer box, an air joint is arranged on the outer box, and an air hole is formed in the support rib.

Furthermore, a support ring is arranged on the outer wall of the mold box, and the connecting column, the hook, the mold closing push block and the mold opening push block are all arranged on the support ring.

Further, the spliced pole includes the fixed plate of being connected with the support ring, be provided with on the fixed plate and change the roller, the working face cross section of changeing the roller is the arc, the working face of the second wing of couple be with change roller complex arc.

A method for forming artificial marble slab includes such steps as mixing raw materials, injection moulding, compacting, laying aside and demoulding.

The invention has the beneficial effects that: multi-disc artificial marble board forming die installs multilayer mould box in the frame, can realize the shaping of multi-disc marble board simultaneous, and occupation space is little, connects through couple and spliced pole between the adjacent two-layer mould box, can play the compaction effect to carrying out fine positioning action, sets up compound die ejector pad, compound die drive arrangement, die sinking ejector pad, die sinking drive arrangement, and then carries out the layering and unpacks the mould, convenient operation.

Drawings

FIG. 1 is a schematic front view of embodiment 1;

FIG. 2 is a schematic view of a mold box configuration;

FIG. 3 is a top view of the outer box;

FIG. 4 is a top view of the connection between the outer case and the inner case;

FIG. 5 is a schematic cross-sectional view of the shield;

FIG. 6 is a schematic front view of the connecting column;

FIG. 7 is a schematic view of a hook structure;

FIG. 8 is a schematic view of the movable base;

FIG. 9 is a schematic view of the connection between the first pushing rod and the supporting plate;

wherein: 1-frame, 2-die box, 3-connecting column, 4-hook, 5-matched-die push block, 6-moving seat I, 7-cylinder I, 8-cylinder II, 9-supporting plate, 10-push rod I, 11-balance rod, 12-connecting plate I, 13-opened-die push block, 14-cylinder III, 15-moving seat II, 16-cylinder IV, 17-linear bearing, 18-connecting plate II, 19-push plate, 20-supporting ring, 21-air joint, 22-outer box, 23-hanging hole, 24-supporting rib, 25-inner box, 26-air hole, 27-protecting plate, 28-sealing pad, 29-fixing plate, 30-rotating roller, 31-guiding opening, 32-mounting plate, 33-cantilever, 34-seat plate, 35-convex edge, 36-elastic pad, 37-fixed column, 38-guide sleeve I, 39-guide hole and 40-push rod II.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-9, a multi-piece artificial marble slab forming die comprises a frame 1, the frame is a steel structure frame, the structural stability is high, a die device is arranged on the frame, the die device comprises a plurality of layers of cuboid-shaped die boxes 2, two adjacent layers of die boxes are connected through a connecting pendant, the connecting pendant comprises a connecting column 3 arranged on the upper part of the die box and a hook 4 arranged on the lower part of the die box, specifically, the hook is L-shaped, a first wing of the hook is fixed with the side wall of the die box through a cantilever 33 and a mounting plate 32, so that the hook extends outwards and is matched with the connecting column, a second wing of the hook is transverse, a fixing column 37 matched with the hook on the lowest layer is arranged on the frame, the fixing column and the connecting column both comprise a fixing plate 29, a rotating roller 30 is arranged on the fixing plate, the cross section of the working surface of the rotating roller is arc, the working surface of the second wing of the hook is arc matched with the rotating roller, through curved cooperation, can fix a position, through changeing the roller and couple cooperation, can reduce the frictional force at the relative movement in-process, improve job stabilization nature, the second wing end processing of couple has direction mouth 31, can lead, makes the compound die process stable.

The mold opening and closing device is connected with two sides of the mold device and comprises a mold closing push block 5 and a mold opening push block 13 which are arranged on the side wall of a mold box, a mold closing driving device capable of pushing the mold closing push block is arranged on a rack, a mold opening driving device capable of pushing the mold opening push block is arranged on the rack, the mold closing driving device comprises a moving seat I6 arranged on the rack, an oil cylinder I7 used for driving the moving seat I to transversely move is arranged on the rack, an upward oil cylinder II 8 is arranged on the moving seat I, a transverse connecting plate I12 is arranged at the tail end of a piston rod of the oil cylinder II, a vertical push rod I10 is arranged on the connecting plate I, a guide sleeve I38 used for guiding the push rod I is arranged on the moving seat I, the mold opening driving device comprises a moving seat II 15 arranged on the rack, an oil cylinder III 14 used for driving the moving seat II to transversely move is arranged on the rack, and an upward oil cylinder IV 16 is arranged on the moving seat II, the tail end of a piston rod of the oil cylinder II is provided with a connecting plate II 18, the connecting plate II is provided with a vertical push rod II 40, the moving seat II is provided with a guide sleeve II for guiding the push rod II, the connecting plate II is provided with a horizontal push plate 19, the push plate is matched with the die sinking push block, the oil cylinder II and the oil cylinder IV are both connected with a hydraulic pump station through a metering pump, step-by-step action can be realized, the oil cylinder I and the oil cylinder III are both connected with the hydraulic pump station through electromagnetic valves, for convenient installation, the moving seat I and the moving seat II both comprise vertical seat plates 34, the seat plates are connected with the frame through linear guide rails, the linear guide rails are arranged on the frame, linear bearings 17 are arranged on the seat plates, the moving stability of the moving seat I and the moving seat II can be ensured, the seat plates are connected with two supporting plates 9 which are parallel to each other, the oil cylinder II and the oil cylinder IV are fixed with the corresponding supporting plates, and the connection stability is high, the first push rod and the second push rod both comprise rod bodies, convex ridges 35 are integrally formed on the side walls of the rod bodies, the convex ridges are matched with corresponding die assembly push blocks and die assembly push blocks, elastic pads 36 are mounted on working surfaces of the convex ridges, the elastic pads are rubber pads, the thickness of each elastic pad is 2-3mm, a buffering effect can be achieved, rigid contact can be avoided, the first guide sleeve and the second guide sleeve are integrally formed on corresponding supporting plates, balancing rods 11 are mounted between the first connecting plate and the second connecting plate and the corresponding supporting plates, guide holes 39 matched with the balancing rods are formed in the supporting plates, lifting holes 23 are formed in the die assembly push blocks and the die assembly push blocks, in the using process, a mold releasing agent is firstly sprayed on the mold boxes, the mold releasing agent is glycerin, the lowermost mold box is firstly lifted to a rack, an oil cylinder acts to move the mold boxes until a hook is connected with a fixed column, materials are injected into the mold boxes and then vibrated flat, the first oil cylinder resets, the second oil cylinder ascends by the control of a metering pump to hoist the second layer of mould boxes to the lowest layer of mould boxes, the first oil cylinder acts to move the mould boxes to two layers of mould boxes which are connected by a connecting hanger, materials are injected into the mould boxes and then are leveled, the first oil cylinder resets, the second oil cylinder ascends by the control of the metering pump to close the mould layer by layer, the uppermost layer of mould boxes are not injected with materials and are used as a cover plate, after the mould boxes of each layer are installed, the fourth oil cylinder acts to ascend to the highest level, in the embodiment, the fourth oil cylinder has one more level than the second oil cylinder, when the fourth oil cylinder ascends to the highest level, a push plate is higher than the uppermost layer of mould boxes, then the third oil cylinder acts to respectively push a mould closing push block and a mould opening push block on two sides of the first push rod and the two sides of the push rod, further the mould boxes of each layer are aligned, then standing solidification is carried out, mould opening is carried out after the standing solidification is finished, and the second oil cylinder acts to descend to the first step, the third oil cylinder resets, the fourth oil cylinder descends by one step, the third oil cylinder actuates the push plate to push the mold opening push block, the connecting column is separated from the hook, the mold box on the lower layer is fixed due to the blocking effect of the first push rod, the mold box on the upper layer is removed, the formed artificial marble plate is taken out through the sucking disc, and the step-by-step demolding is convenient to operate.

In order to ensure the stability of the mold box, the mold box comprises an outer box 22, an inner box 25 is arranged in the outer box, supporting ribs 24 are welded and fixed between the outer box and the inner box, the supporting ribs are arranged in a grid shape, an outward protective plate 27 is integrally formed at the upper end of the inner box, the outer end of the protective plate is bent downwards and is welded and fixed with the outer wall of the outer box, the upper end of the mold box is ensured to be flat and the wall thickness is thicker, the outer box and the inner box are both made of stainless steel plates with the thickness of 3mm, the supporting ribs are welded and fixed with the outer box and the inner box, the shape stability of the mold box can be ensured, a sealing gasket 28 is arranged between the protective plate and the upper end of the outer box, an air joint 21 is arranged on the outer box, air holes 26 are processed on the supporting ribs, because the multi-piece type artificial marble plate forming mold provided by the embodiment demolds through sliding, the contact area between a stone plate and the mold box is large, the demolding resistance is larger, when the demolding agent is sprayed, the uniform spraying is required, before demoulding, the cavity between the outer box and the inner box is pumped through the air joint, so that the outer box and the inner box between the supporting ribs are slightly deformed, pre-separation is realized, and the resistance in the sliding demoulding process can be reduced.

The outer wall welded fastening of outer box has support ring 20, and spliced pole, couple, compound die ejector pad, die sinking ejector pad all weld on the support ring, can reduce the unstable defect of installation that outer box wall thickness is thinner to lead to.

A method for forming an artificial marble slab comprises the following steps of mixing, injection molding, compaction, standing and demolding, wherein the mixing is to mix filler and sizing material, the injection molding is to inject the mixed slurry into a mold, specifically, the multi-piece artificial marble slab forming mold provided by the embodiment is characterized in that a demolding agent is sprayed in the forming mold before injection, the vibration rod is used for vibrating flat, then the mold is closed, a flat pushing step is carried out in the mold closing process, the effects of scraping flat and compaction are achieved, the standing is carried out after the mold closing, the curing process is carried out, the demolding is carried out after standing, the whole operation is convenient, and the subsequent machining processes of cutting, grinding, polishing and the like can be carried out after the demolding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A multi-piece artificial marble slab forming die is characterized by comprising a frame, wherein a die device is arranged on the frame, the die device comprises a plurality of layers of cuboid-shaped die boxes, a connecting pendant is arranged between two adjacent layers of die boxes, the connecting pendant comprises a connecting post arranged at the upper part of each die box and a hook arranged at the lower part of each die box, each hook is L-shaped, a first wing of each hook is fixed with the side wall of each die box, a second wing of each hook is transversely arranged, a fixing post matched with the hook at the lowermost layer is arranged on the frame, die opening and closing devices are arranged at two sides of each die device, each die opening and closing device comprises a die closing push block and a die opening push block which are arranged on the side wall of each die box, a die closing driving device capable of pushing the die closing push blocks is arranged on the frame, and a die opening driving device capable of pushing the die opening push blocks is arranged on the frame, the die assembly driving device comprises a first moving seat arranged on a rack, a first oil cylinder used for driving the first moving seat to move transversely is arranged on the rack, a second upward oil cylinder is arranged on the first moving seat, a first connecting plate is arranged at the tail end of a piston rod of the second oil cylinder, a first vertical push rod is arranged on the first connecting plate, a first guide sleeve used for guiding the first push rod is arranged on the first moving seat, the die opening driving device comprises a second moving seat arranged on the rack, a third oil cylinder used for driving the second moving seat to move transversely is arranged on the rack, a fourth upward oil cylinder is arranged on the second moving seat, a second connecting plate is arranged at the tail end of a piston rod of the fourth oil cylinder, a second vertical push rod is arranged on the second connecting plate, a second guide sleeve used for guiding the second push rod is arranged on the second moving seat, and a transverse push plate is arranged on the second connecting plate, the second oil cylinder and the fourth oil cylinder are both connected with a hydraulic pump station through metering pumps, and the first oil cylinder and the third oil cylinder are both connected with the hydraulic pump station through electromagnetic valves.

2. The multi-piece artificial marble plate molding die of claim 1, wherein the first moving seat and the second moving seat each comprise a vertical seat plate, the seat plates are connected with the frame through linear guide rails, the seat plates are connected with two parallel support plates, and the second oil cylinder and the fourth oil cylinder are fixed with the corresponding support plates.

3. The multi-piece artificial marble plate molding die of claim 2, wherein the first push rod and the second push rod each comprise a rod body, the side wall of the rod body is provided with a convex rib, the convex rib is matched with a corresponding mold closing push block and a corresponding mold opening push block, and the working surface of the convex rib is provided with an elastic cushion.

4. The multi-piece artificial marble plate molding die of claim 2, wherein a balance bar is disposed between the first connecting plate, the second connecting plate and the corresponding support plate, and the support plate is provided with a guide hole for fitting the balance bar.

5. The multi-piece artificial marble plate molding die of claim 1, wherein the die case comprises an outer case, an inner case is disposed inside the outer case, support ribs are disposed between the outer case and the inner case, an outward protection plate is disposed at an upper end of the inner case, and an outer end of the protection plate is bent downward and fixed to an outer wall of the outer case.

6. The multi-piece artificial marble plate-molding die of claim 5, wherein a sealing gasket is provided between the protection plate and the upper end of the outer box, an air joint is provided on the outer box, and an air hole is provided on the support rib.

7. The multi-piece artificial marble plate molding die of claim 1, wherein the outer wall of the die case is provided with a support ring, and the connecting column, the hook, the mold closing ejector pad and the mold opening ejector pad are all arranged on the support ring.

8. The multi-sheet artificial marble plate molding die of claim 7, wherein the connecting post comprises a fixing plate connected to the support ring, the fixing plate is provided with a rotating roller, the cross section of the working surface of the rotating roller is arc-shaped, and the working surface of the second wing of the hook is arc-shaped to match with the rotating roller.