CN112454614B - Miniature table type casting machine for experiment - Google Patents
Miniature table type casting machine for experiment Download PDFInfo
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- CN112454614B CN112454614B CN202011218695.2A CN202011218695A CN112454614B CN 112454614 B CN112454614 B CN 112454614B CN 202011218695 A CN202011218695 A CN 202011218695A CN 112454614 B CN112454614 B CN 112454614B
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/29—Producing shaped prefabricated articles from the material by profiling or strickling the material in open moulds or on moulding surfaces
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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
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/12—Apparatus or processes for treating or working the shaped or preshaped articles for removing parts of the articles by cutting
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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
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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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
- B28B3/22—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
Abstract
The invention relates to the technical field of casting equipment, and discloses a miniature table type casting machine for experiments, which comprises a rack, and an extrusion assembly, a casting assembly, a trimming assembly and a winding assembly which are sequentially arranged on the rack, wherein the extrusion assembly comprises a first extrusion die and a second extrusion die, the trimming assembly comprises a first extrusion die and a second extrusion die, the first extrusion die and the second extrusion die are sequentially arranged on the rack, and the second extrusion die are sequentially arranged on the rack: the extrusion assembly is assembled on the frame in a sliding manner and is used for fully plasticizing and uniformly mixing the mixed materials and extruding a formed blank belt film; the casting assembly is positioned at the discharge end of the extrusion assembly and is used for cooling and forming the blank belt film extruded by the extrusion assembly; the edge cutting assembly is positioned at the discharge end of the casting assembly and is used for performing transition and edge cutting on a formed film product; the winding assembly is located at the discharge end of the trimming assembly and used for winding the trimmed film product. The invention has the advantages of small size, easy carrying, wide application range, suitability for use in limited space, convenient control, simple maintenance, low production cost and lower research and development and study cost.
Description
Technical Field
The invention relates to the technical field of casting equipment, in particular to a miniature table type casting machine for experiments.
Background
The casting machine is a special device for manufacturing a casting film. The method is characterized in that a high-precision electronic ceramic casting machine is generally adopted, alumina is used as a main raw material for ceramic casting, crushed powder is mixed with a binder, a plasticizer, a dispersant and a solvent to prepare slurry with certain viscosity, the slurry flows down from a hopper, is coated on a special base band in a scraping and pressing manner by a scraper with certain thickness, is dried and solidified, and then is peeled off from the upper part to form a film of a blank band, and then the blank band is subjected to processing treatments such as punching, laminating and the like according to the size and the shape of a finished product to prepare a blank finished product to be sintered, wherein the general casting machine is generally large in size and is not suitable for being used in a limited space of a laboratory; the general yield is higher, but the research and learning cost for the casting process is higher; or the screw rod is dismantled inconveniently, or adopt turbine gear motor to make the screw rod to the motor heat transfer exactly, lead to the motor temperature high enough, it is extremely inconvenient to need often to change the material to do the experiment to the laboratory.
Disclosure of Invention
The miniature table casting machine for the experiment is small in size, easy to carry, wide in application range and suitable for being used in a limited space, and the miniature table casting machine is convenient to control and maintain, simple in production cost and low in research and development learning cost.
In order to solve the technical problem, the invention provides a miniature table casting machine for experiments, which comprises a frame and a plurality of casting heads, wherein the casting heads are sequentially arranged on the frame:
the extrusion assembly is assembled on the rack in a sliding manner and is used for fully plasticizing and uniformly mixing the mixed materials and extruding a formed blank belt film;
the casting assembly is positioned at the discharge end of the extrusion assembly and is used for cooling and forming the blank belt film extruded by the extrusion assembly;
the edge cutting assembly is positioned at the discharge end of the casting assembly and is used for performing transition and edge cutting on a formed film product;
and the winding assembly is positioned at the discharge end of the trimming assembly and used for winding the trimmed film product.
Further, the extrusion assembly comprises a bracket, a motor, a screw assembly and a die head;
the motor is fixed at one end of the bracket through the motor base, the output end of the motor penetrates through the motor base and is assembled with the screw assembly through the coupler, and a thrust bearing and a thrust bag are arranged between the screw assembly and the coupler;
one end of the screw rod component close to the motor is a feeding end and is provided with a feeding hole, and the other end of the screw rod component is a discharging end;
a screw rod protective cover which integrally covers the screw rod assembly is arranged on one side of the motor base, a hopper corresponding to the feeding hole is arranged at the top of the motor base, a plurality of fans are uniformly arranged on the side edges of the motor base, the hopper is fixed through a hopper base, and a material baffle plate is arranged at the bottom of the hopper;
the die head is assembled at the discharge end of the screw assembly.
Further, the frame is provided with a guide rail, and the support is assembled on the guide rail in a sliding mode.
Further, the casting assembly comprises a cooling roller and a driving motor;
the cooling roller is detachably assembled on the frame and is positioned right below the die head, one end of the cooling roller is provided with a cooling water inlet and a cooling water outlet, and one side of the discharging end of the cooling roller is provided with a group of first guide rollers which are arranged up and down;
the driving motor is reversely arranged on the rack and is positioned right below the cooling roller, the output end of the driving motor is provided with a belt pulley, and the belt pulley is in transmission connection with the cooling roller through a belt.
Further, the edge cutting assembly comprises a pair of convex vertical plates, a pair of guide rollers and a tool rest assembly;
the convex vertical plate is vertically fixed on the frame;
the guide rollers are respectively and movably assembled between the pair of convex vertical plates, and the convex vertical plates are provided with mounting holes corresponding to the guide rollers;
the knife rest assembly is movably assembled on the two convex vertical plates and located between the two guide rollers and used for trimming the portions, beyond the films passing through the guide rollers, of the convex vertical plates, and the knife rest protective covers corresponding to the knife rest assembly are arranged on the convex vertical plates.
Furthermore, an opening is formed in the top of the convex vertical plate, sliding rails are arranged on two sides of the opening respectively, a pressing plate is arranged on the top of the opening, and a threaded hole is formed in the center of the pressing plate;
the knife rest component comprises a pair of knife drags, a knife dragging rod, a pair of blades and a knife rest rod, the knife drags to be assembled between two guide rollers through the knife dragging rod, two ends of the knife dragging rod are respectively movably assembled on the convex vertical plate through bearings, the blades are assembled right above the two knife drags through the knife rest rod, the knife drags to correspond to the blades respectively, the knife rest and the knife rest pressing plate are arranged on the knife rest rod and positioned on two sides of the blades respectively, two ends of the knife rest rod are respectively assembled on the convex vertical plate in a sliding mode through sliding blocks, the sliding blocks are assembled in the openings in a sliding mode, the tops of the sliding blocks are assembled together with the pressing plates through a five-star handle, and the pressure springs are sleeved on the five-star handle between the pressing plates and the sliding blocks.
Further, the winding assembly comprises a pair of side plates, a press roller, a rubber covered roller, an air expansion shaft and a speed reducing motor;
the single side plate is respectively provided with an inclined support, and the inclined supports on the two side plates form a track;
two ends of the compression roller are respectively movably arranged on the tops of the two side plates through bearings;
the rubber covered roller is positioned below the press roller, two ends of the rubber covered roller are respectively movably arranged on the two side plates through bearings, and a guide plate which is inclined and faces downwards is arranged right below the rubber covered roller;
two ends of the inflatable shaft are movably assembled on the track through guide wheels respectively, the guide wheels are coaxially assembled at two ends of the rubber covered roller respectively, and arc-shaped grooves corresponding to the guide wheels are formed in the end parts of the inclined supports respectively;
the speed reducing motor is assembled on the inner side of one side plate and is positioned below the rubber covered roller, the output end of the speed reducing motor is provided with a driving gear, and one end of the rubber covered roller, which corresponds to the speed reducing motor, is provided with a driven gear meshed with the driving gear;
and a protective cover is arranged on the other side of the side plate corresponding to the speed reducing motor.
Furthermore, the included angle between the inclined support and the side plate is 45-75 degrees.
Further, the inclination angle of the material guide plate is 30-60 degrees.
Furthermore, the bottom of the rack is provided with a plurality of universal wheels with self-locking function.
Compared with the prior art, the invention has the advantages that:
the invention selects the single screw with the smallest diameter of 16mm on the market at present, so that the equipment only consumes about 1Kg per hour, the total power of the equipment is less than 10KW, and the research and development cost of a laboratory on the processing technology and the formula of the novel high polymer material is greatly reduced. The screw is selected to ensure that the appearance of the screw and the volume of a matched motor are both far smaller than those of a common screw extrusion assembly on the market, so that the volume of the equipment is greatly reduced; and each subassembly of this equipment installation is compact, and all spare parts appearance volumes all are less than the common casting machine on the market, and this machine length is less than two meters, is particularly suitable for with the limited space in laboratory. The equipment has the characteristics of small volume, light weight and the like, and the weight of the equipment is less than half of that of a common casting machine on the market.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Figure 1 is a schematic view of the overall structure of the present invention,
figure 2 is a schematic view of the structure of the extrusion assembly 2,
figure 3 is an exploded view of figure 2,
FIG. 4 is a schematic view of the casting module 3 mounted on the frame 1,
FIG. 5 is an exploded view of the casting module 3,
figure 6 is a schematic view of the structure of the trim assembly 4,
figure 7 is an exploded view of figure 6,
figure 8 is a schematic view of the structure of the take-up assembly 5,
figure 9 is an exploded view of figure 8,
figure 10 is a front view of figure 8,
figure 11 is a cross-sectional view a-a of figure 10,
the reference numbers are as follows:
the device comprises a frame 1, a universal wheel 11, an extrusion assembly 2, a bracket 201, a motor 202, a screw assembly 203, a die head 204, a motor base 205, a coupler 206, a thrust bearing 207, a thrust packet 208, a feed port 209, a screw shield 210, a hopper 211, a fan 212, a hopper base 213, a material baffle 214, a casting assembly 3, a cooling roller 31, a driving motor 32, a first guide roller 33, a belt pulley 34, a trimming assembly 4, a convex vertical plate 41, an opening 411, a slide rail 412, a press plate 413, a threaded hole 414, a slide block 415, a five-star handle 416, a pressure spring 417, a second guide roller 42, a knife rest assembly 43, a knife rest 431, a knife rest rod 432, a blade 433, a knife rest rod 434, a knife rest 435, a knife rest press plate 436, a knife rest shield 44, a rolling assembly 5, a side plate 51, a diagonal support 511, an arc-shaped groove 512, a pressure roller 52, a rubber covered roller 53, a driven gear 531, an air expansion shaft 54, a speed reduction motor 55, a driving gear 551, a track 56, a guide plate 57, a guide wheel 58, a protective cover 59 and a guide rail 6.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the generic and descriptive sense only and not for purposes of limitation, as the term is used in the generic and descriptive sense, and not for purposes of limitation, unless otherwise specified or implied, and the specific reference to a device or element is intended to be a reference to a particular element, structure, or component. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
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.
Referring to fig. 1 to 11, the present invention provides a micro bench casting machine for experiments, which comprises a frame 1, and an extrusion assembly 2, a casting assembly 3, a trimming assembly 4 and a winding assembly 5 sequentially disposed on the frame 1, wherein,
as shown in fig. 2 and fig. 3, the extrusion assembly 2 is slidably mounted on the frame 1, and is used for fully plasticizing and uniformly mixing the mixed materials and extruding a formed blank belt film, and comprises a support 201, a motor 202, a screw assembly 203 and a die head 204;
as shown in fig. 1 and 4, the frame 1 is provided with a guide rail 6, and the support 201 is slidably assembled on the guide rail 6, so that the extrusion assembly 2 is convenient to move, disassemble and assemble, and the die head 204 is convenient to clean, disassemble and assemble for maintenance;
the motor 202 is fixed at one end of the bracket 201 through a motor base 205, the output end of the motor passes through the motor base 205 and is assembled with the screw assembly 203 through a coupler 206, a thrust bearing 207 and a thrust packet 208 are arranged between the screw assembly 203 and the coupler 206, it should be noted that the screw assembly 203 and the thrust packet 208 are common in the prior art, the thrust packet 208 can adopt a tapered roller bearing and a fixing plate, so that the recoil generated in the screw operation process is transmitted to the fixing plate through the tapered roller bearing, the screw does not move backwards all the time, the extrusion assembly 2 is fixed with the motor base 205 through the thrust bearing 207, the thrust packet 208 formed by a mechanical workpiece and the screw assembly 203, and the recoil of the screw assembly 203 in the operation process is well solved;
the motor 202 and the screw assembly 203 are connected through the coupler 206, so that heat of the screw assembly 203 can be transferred to the motor 202 as little as possible, and the temperature of the motor 202 is not too high; the thrust packet 208 and the motor base 205 are fixed by screws, so that the disassembly is convenient, and the disassembly of the screw assembly 203 is facilitated;
one end of the screw assembly 203 close to the motor 202 is a feeding end and is provided with a feeding hole 209, the other end of the screw assembly is a discharging end, the die head 204 is assembled at the discharging end of the screw assembly 203, the discharging end of the die head 204 faces downwards, the feeding end faces upwards, the discharging end of the screw assembly 203 is connected with the feeding end of the die head 204 through an elbow, a joint and a flange, and the die head 204 is installed in the upside hoisting mode, so that the fixing and the dismounting are convenient;
a screw rod shield 210 which integrally covers the screw rod assembly 203 is arranged on one side of the motor base 205, a hopper 211 corresponding to the feed port 209 is arranged at the top of the screw rod shield, a plurality of fans 212 are uniformly arranged on the side edge of the screw rod shield, the hopper 211 is positioned right above the feed port 209, the hopper 211 is fixed on the screw rod shield 210 through a hopper base 213, a blanking channel corresponding to a discharge port at the bottom of the hopper 211 is arranged on the hopper base 213, a material baffle plate 214 is arranged at a discharge port at the bottom of the hopper 211, and the material baffle plate 214 is movably assembled between the hopper 211 and the hopper base 213;
referring to fig. 4 and 5, the casting module 3 is located at the discharging end of the extrusion module 2, and is used for cooling and forming the thin film of the raw band extruded from the extrusion module 2, and is a common prior art, and comprises a cooling roller 31 and a driving motor 32, wherein,
the cooling roller 31 is detachably assembled on the frame 1 and is positioned right below the die head 204, one end of the cooling roller is provided with a cooling water inlet and a cooling water outlet, the cooling water inlet and the cooling water outlet are externally connected with corresponding cooling water circulation systems, one side of the discharging end of the cooling roller 31 is provided with a group of first guide rollers 33 which are arranged up and down, and the first guide rollers 33 which are positioned above can ensure that the cast film is attached to the cooling roller 31 in the largest area, so that the film achieves better cooling effect; the first guide roller 33 positioned below enables the direction of the film to be lower than that of the second guide roller 42, so that the film can be better attached to the second guide roller 42, and the edge cutting is better;
the driving motor 32 is inversely arranged on the frame 1 and is positioned right below the cooling roller 31, the output end of the driving motor is provided with a belt pulley 34, the belt pulley 34 is in transmission connection with the cooling roller 31 through a belt, and a driven wheel is arranged at one end of the cooling roller 31 corresponding to the belt pulley 34;
as shown in fig. 6 and 7, the edge cutting assembly 4 is located at the discharge end of the casting assembly 3, and is used for performing transition and edge cutting on a formed film product, and comprises a pair of convex vertical plates 41, a pair of second guide rollers 42 and a tool rest assembly 43;
the convex vertical plates 41 are vertically fixed on the frame 1, the second guide rollers 42 are respectively and movably assembled between the pair of convex vertical plates 41, and the convex vertical plates 41 are provided with mounting holes corresponding to the second guide rollers 42;
the tool rest assembly 43 is movably assembled on the two convex vertical plates 41 and positioned between the two second guide rollers 42, and is used for trimming the part, beyond the film, of the second guide rollers 42, and the convex vertical plates 41 are provided with tool rest protective covers 44 corresponding to the tool rest assembly 43;
as a preferable scheme, as shown in fig. 7, the top of the convex vertical plate 41 is provided with an opening 411, two sides of the opening 411 are respectively provided with a sliding rail 412, the top of the opening 411 is provided with a pressing plate 413, and the center of the pressing plate 413 is provided with a threaded hole 414;
the knife rest assembly 43 comprises a pair of knife drags 431, a knife drag rod 432, a pair of blades 433 and a knife rest rod 434, the knife drags 431 are assembled between the two second guide rollers 42 through the knife drag rod 432, two ends of the knife drag rod 432 are respectively movably assembled on the convex vertical plate 41 through bearings, the blades 433 are assembled right above the two knife drags 431 through the knife rest rod 434, the positions of the knife drags 431 and the blades 433 correspond respectively, openings corresponding to the blades 433 are respectively arranged on the knife drags 431, knife rests 435 and knife rest pressing plates 436 are respectively arranged on the knife rest rod 434 and on two sides of the blades 433, the blades 433 are preferably made of tungsten steel, so that the blades are sharper, the edge cutting effect is better, and through the knife rests 435 and the knife rest pressing plates 436, the rigidity of the blades can be improved, and the service life of the blades can be prolonged;
two ends of a knife rest lever 434 are respectively assembled on the convex vertical plate 41 in a sliding manner through a sliding block 415, the sliding block 415 is assembled in the opening 411 in a sliding manner, the top of the sliding block 415 is assembled with a pressure plate 413 through a five-star handle 416, a pressure spring 417 is sleeved on the five-star handle 416 between the pressure plate 413 and the sliding block 415, a knife 433 is fixed with the sliding block 415 through the knife rest lever 434, the height of the sliding block 415 is adjusted through the pressure plate 413, the five-star handle 416 and the pressure spring 417, and therefore the height of the knife 433 is adjusted to control the cutting depth or select not to cut edges;
the knife rest protective cover 44 is positioned right above the whole knife rest assembly 43 and is preferably formed by processing acrylic plates, so that the transparent visibility is ensured, and the operating personnel are protected from being scratched by the cutter; preferably, the knife rest protective cover 44 is fixed by a hinge, so that the movable surface can be lifted, and the operability of the equipment is greatly improved;
it should be noted that the positions of the two knife drags 431 on the knife drag bar 432 and the positions of the two blades 433 on the knife rest bar 434 can be adjusted, specifically, corresponding locking and limiting structures can be arranged on the knife drag bar 432 and the knife rest bar 434, and the design can be carried out according to actual requirements, the invention is not limited, the knife drag bar 432 is fixed with the convex vertical plate 41 through a bearing, the knife drag bar 432 can passively rotate, the knife drags 431 are provided with openings which are matched with the blades, so that the trimming force is larger, the knife drags 431 can be adjusted to freely move on the knife drag bar 432 according to actual requirements, the blades 433 can freely move on the knife rest bar 434, and the trimming width can be adjusted to any size; the blade 433 can be matched with the blade support 431 for trimming, and can also realize independent trimming, and the matched trimming or the independent trimming is determined according to the actual requirement;
as shown in fig. 8 to 11, the winding assembly 5 is located at the discharge end of the trimming assembly 4, and is used for winding the trimmed film product, and includes a pair of side plates 51, a pressing roller 52, a rubber covered roller 53, an air inflation shaft 54 and a speed reduction motor 55;
the single side plate 51 is respectively provided with an inclined support 511, the inclined supports 511 on the two side plates 51 are provided with a track 56, and the included angle between the inclined support 511 and the side plate 51 is preferably 45-75 degrees;
the two ends of the press roller 52 are respectively movable on the tops of the two side plates 51 through bearings, specifically, the press roller is fixed through a press roller core and an eccentric wheel, the height of the press roller is adjusted through a fixing block and a handle, the distance between the press roller and the rubber coating roller 53 can be selected, and the film can be conveniently assembled and disassembled in the initial debugging stage of the machine;
the rubber covered roller 53 is positioned below the press roller 52, two ends of the rubber covered roller are movably assembled on the two side plates 51 through bearings respectively, an inclined guide plate 57 with a downward direction is arranged right below the rubber covered roller 53, the guide plate 57 can well discharge waste materials to the outer side of the machine while ensuring that the waste edges are not rolled into the machine, and the inclination angle (the included angle between the inclined angle and the horizontal plane) of the guide plate 57 is preferably 30-60 degrees;
two ends of the inflatable shaft 54 are movably assembled on the track 56 through guide wheels 58 respectively, the guide wheels 58 are coaxially assembled at two ends of the rubber covered roller 53 respectively, and the end parts of the inclined supports 511 are provided with arc-shaped grooves 512 corresponding to the guide wheels 58 respectively;
the speed reducing motor 55 is assembled on the inner side of one side plate 51 and is positioned below the rubber covered roller 53, the output end of the speed reducing motor is provided with a driving gear 551, one end of the rubber covered roller 53 corresponding to the speed reducing motor 55 is provided with a driven gear 531, and the driving gear 551 and the driven gear 531 are meshed with each other to realize transmission connection;
the other side of the side plate 51 corresponding to the speed reduction motor 55 is provided with a protective cover 59 for protecting the transmission part of the winding assembly 5.
The winding component 5 drives the rubber covered roller 53 to rotate through the speed reducing motor 55, the press roller 52 and the air expansion shaft 54 lean against the roller, the air expansion shaft 54 winds the qualified film, the press roller 52 pulls the film, and the winding of the qualified product, the waste edge and the film traction are driven by multiple surfaces of the same rubber covered roller 53, so that the height of the winding linear speed, the waste material traction linear speed and the film traction linear speed are ensured to be consistent;
in order to facilitate the movement of the whole casting machine, a plurality of universal wheels 11 with self-locking function are arranged at the bottom of the frame 1.
The working principle is as follows: the mixed raw materials are fed into the screw assembly 203 from the hopper 211 on the screw shield 210 to be fully plasticized and uniformly mixed, a blank belt film formed by extrusion from the die head 204 is cooled and formed by the casting assembly 3 butted with the die head 204 to form a film finished product, and the film finished product is coiled by the coiling assembly 5 after being coiled into a qualified product by the edge cutting of the edge cutting assembly 4.
The invention selects the single screw with the smallest diameter of 16mm on the market at present, so that the equipment only consumes about 1Kg per hour, the total power of the equipment is less than 10KW, and the research and development cost of a laboratory on the processing technology and the formula of the novel high polymer material is greatly reduced. The screw is selected to ensure that the appearance of the screw and the volume of a matched motor are both far smaller than those of a common screw extrusion assembly on the market, so that the volume of the equipment is greatly reduced; and each subassembly of this equipment installation is compact, and all spare parts appearance volumes all are less than the common casting machine on the market, and this machine length is less than two meters, is particularly suitable for with the limited space in laboratory. The equipment has the characteristics of small volume, light weight and the like, and the weight of the equipment is less than half of that of a common casting machine on the market.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (8)
1. The utility model provides a miniature desk-top casting machine for experiments which characterized in that includes frame (1) and sets gradually on frame (1):
the extrusion assembly (2) is assembled on the rack (1) in a sliding manner and is used for fully plasticizing and uniformly mixing the mixed materials and extruding a formed blank belt film;
the casting assembly (3) is positioned at the discharge end of the extrusion assembly (2) and is used for cooling and forming the blank belt film extruded by the extrusion assembly (2);
the trimming component (4) is positioned at the discharge end of the casting component (3) and is used for performing transition and trimming on a formed film product;
the winding assembly (5) is positioned at the discharge end of the trimming assembly (4) and is used for winding the trimmed film product;
the trimming assembly (4) comprises a pair of convex vertical plates (41), a pair of second guide rollers (42) and a tool rest assembly (43);
the convex vertical plate (41) is vertically fixed on the frame (1);
the second guide rollers (42) are respectively and movably assembled between the pair of convex vertical plates (41), and the convex vertical plates (41) are provided with mounting holes corresponding to the second guide rollers (42);
the tool rest assembly (43) is movably assembled on the two convex vertical plates (41) and positioned between the two second guide rollers (42) and used for trimming the excessive part of the film passing through the second guide rollers (42), and the convex vertical plates (41) are provided with tool rest protective covers (44) corresponding to the tool rest assembly (43);
an opening (411) is formed in the top of the convex vertical plate (41), sliding rails (412) are arranged on two sides of the opening (411) respectively, a pressing plate (413) is arranged on the top of the opening (411), and a threaded hole (414) is formed in the center of the pressing plate (413);
the knife rest assembly (43) comprises a pair of knife drags (431), a knife drag rod (432), a pair of blades (433) and a knife rest rod (434), the knife drags (431) are assembled between the two second guide rollers (42) through the knife drag rod (432), two ends of the knife drag rod (432) are movably assembled on the convex vertical plate (41) through bearings respectively, the blades (433) are assembled right above the two knife drags (431) through a knife rest rod (434) and the positions of the knife drags (431) and the blades (433) are respectively corresponding, the knife rest (435) and the knife rest pressing plate (436) are respectively arranged on the knife rest rod (434) and positioned at two sides of the blades (433), two ends of the knife rest rod (434) are respectively assembled on the convex vertical plate (41) through sliding blocks (415), the sliding blocks (415) are assembled in the openings (411) in a sliding manner, the tops of the sliding blocks (415) are assembled with the pressing plate (413) through a five-star handle (416), a pressure spring (417) is sleeved on the five-star handle (416) between the pressure plate (413) and the sliding block (415).
2. The miniature bench casting machine for experiments of claim 1, wherein: the extrusion assembly (2) comprises a bracket (201), a motor (202), a screw assembly (203) and a die head (204);
the motor (202) is fixed at one end of the support (201) through a motor base (205), the output end of the motor penetrates through the motor base (205) and is assembled with the screw assembly (203) through a coupler (206), and a thrust bearing (207) and a thrust bag (208) are arranged between the screw assembly (203) and the coupler (206);
one end of the screw rod component (203) close to the motor (202) is a feeding end and is provided with a feeding hole (209), and the other end is a discharging end;
a screw rod shield (210) which integrally covers the screw rod assembly (203) is arranged on one side of the motor base (205), a hopper (211) corresponding to the feed port (209) is arranged at the top of the screw rod shield, a plurality of fans (212) are uniformly arranged on the side edge of the screw rod shield, the hopper (211) is fixed through a hopper base (213), and a material baffle plate (214) is arranged at the bottom of the hopper (211);
the die head (204) is assembled at the discharge end of the screw assembly (203).
3. The miniature bench casting machine for experiments of claim 2, wherein: the frame (1) is provided with a guide rail (6), and the support (201) is assembled on the guide rail (6) in a sliding mode.
4. The miniature bench casting machine for experiments of claim 1, wherein: the casting assembly (3) comprises a cooling roller (31) and a driving motor (32);
the cooling roller (31) is detachably assembled on the frame (1) and is positioned right below the die head (204), one end of the cooling roller is provided with a cooling water inlet and a cooling water outlet, and one side of the discharging end of the cooling roller (31) is provided with a group of first guide rollers (33) which are arranged up and down;
the driving motor (32) is reversely arranged on the rack (1) and is positioned right below the cooling roller (31), the output end of the driving motor is provided with a belt pulley (34), and the belt pulley (34) is in transmission connection with the cooling roller (31) through a belt.
5. The miniature bench casting machine for experiments of claim 1, wherein: the winding assembly (5) comprises a pair of side plates (51), a pressing roller (52), a rubber covered roller (53), an air expansion shaft (54) and a speed reducing motor (55);
oblique supports (511) are respectively arranged on the single side plate (51), and rails (56) are formed on the oblique supports (511) on the two side plates (51);
two ends of the compression roller (52) are respectively movably assembled on the tops of the two side plates (51) through bearings;
the rubber covered roller (53) is positioned below the press roller (52), two ends of the rubber covered roller are movably assembled on the two side plates (51) through bearings respectively, and a guide plate (57) which is inclined and faces downwards is arranged right below the rubber covered roller (53);
two ends of the inflatable shaft (54) are movably assembled on the track (56) through guide wheels (58), the guide wheels (58) are coaxially assembled at two ends of the rubber covered roller (53), and arc-shaped grooves (512) corresponding to the guide wheels (58) are formed in the end parts of the inclined supports (511);
the speed reducing motor (55) is assembled on the inner side of one side plate (51) and is positioned below the rubber covered roller (53), the output end of the speed reducing motor is provided with a driving gear (551), and one end of the rubber covered roller (53) corresponding to the speed reducing motor (55) is provided with a driven gear (531) meshed with the driving gear (551);
and a protective cover (59) is arranged on the other side of the side plate (51) corresponding to the speed reducing motor (55).
6. The miniature bench casting machine for experiments of claim 5, wherein: the included angle between the inclined support (511) and the side plate (51) is 45-75 degrees.
7. The miniature bench casting machine for experiments of claim 5, wherein: the inclination angle of the material guide plate (57) is 30-60 degrees.
8. The miniature bench casting machine for experiments of claim 1, wherein: the bottom of the frame (1) is provided with a plurality of universal wheels (11) with self-locking function.
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Effective date of registration: 20220311 Address after: 523000 Room 201, building 1, No.2 Gufeng Road, Houjie Town, Dongguan City, Guangdong Province Applicant after: Xihua Machinery Technology (Dongguan) Co.,Ltd. Address before: 564700 1905, building 2, Forrester community, 94 Jinxiu Road, Chishui City, Zunyi City, Guizhou Province Applicant before: Qu Fei |
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