BMC or DMC composite material weighing and shaping device

Abstract

The utility model provides a BMC or DMC composite material weighing and shaping device which comprises a rack, a charging barrel is arranged on the rack, a feeding port is formed in the top of the charging barrel, an extrusion port communicated with the feeding port is formed in the bottom of the charging barrel, and an extrusion mechanism used for extruding a BMC or DMC composite material in the charging barrel is arranged at the top of the charging barrel. And a cutting mechanism, a weighing mechanism, a shaping mechanism and a scraping mechanism which are used for cutting off the BMC or DMC composite material extruded from the charging barrel are arranged at the bottom of the charging barrel. By means of the structure, under the action of the first scraping assembly, the second scraping assembly and the third scraping assembly of the scraping mechanism, DMC or BMC composite materials adhering to the first cutting knife, the second cutting knife, the pushing plate and the shaping extrusion plate can be scraped off; therefore, the DMC or BMC composite material can be prevented from adhering to the first cutting knife, the second cutting knife, the pushing plate and the shaping extrusion plate of the weighing equipment, and normal work of the cutting mechanism, the weighing mechanism and the shaping mechanism is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of weighing of DMC or BMC composite materials, in particular to a weighing and shaping device for BMC or DMC composite materials. Background Art

[0002] Both DMC or BMC composite materials are bulk molding compounds, which are a kind of thermoplastic plastics. Various inert fillers, fiber reinforcing materials, catalysts, stabilizers and pigments are mixed therein to form a sticky "putty-like" composite material for compression molding or injection molding. Traditional DMC or BMC composite materials have excellent electrical properties, mechanical properties, heat resistance, chemical corrosion resistance, and are suitable for various molding processes, which can meet the performance requirements of various products. Therefore, they are more and more popular among users. During the weighing process of DMC or BMC composite materials, it is generally necessary to perform automatic cutting, weighing and shaping through the weighing equipment of DMC or BMC composite materials to ensure that the weighed weight meets the requirements.

[0003] However, during the process of weighing DMC or BMC composite materials by traditional weighing equipment, after automatic cutting, weighing and shaping, since DMC or BMC composite materials are high-viscosity materials, DMC or BMC composite materials are likely to adhere to the cutting, weighing and shaping mechanisms of the weighing equipment, which is likely to affect the normal operation of the cutting, weighing and shaping mechanisms of the weighing equipment. Summary of the Utility Model

[0004] The utility model discloses a weighing and shaping device for BMC or DMC composite materials, which mainly solves the problem that during the process of weighing DMC or BMC composite materials by traditional weighing equipment, DMC or BMC composite materials are likely to adhere to the cutting, weighing and shaping mechanisms of the weighing equipment, which is likely to affect the normal operation of the cutting, weighing and shaping mechanisms of the weighing equipment.

[0005] To achieve the above object, the technical solution of the utility model is realized as follows:

[0006] The utility model provides a weighing and shaping device for BMC or DMC composite materials, including a frame. A material cylinder is arranged on the frame. The top of the material cylinder is provided with a feed inlet, and the bottom is provided with an extrusion outlet communicating with the feed inlet. The top of the material cylinder is provided with an extrusion mechanism for extruding BMC or DMC composite materials in the material cylinder. The bottom of the material cylinder is provided with a cutting mechanism, a weighing mechanism, a shaping mechanism and a scraping mechanism for cutting the BMC or DMC composite materials extruded from the material cylinder.

[0007] The cutting mechanism includes a first cutting component and a second cutting component arranged on the first cutting component. The first cutting component includes a first cutting knife driven by a first cutting air cylinder, and the second cutting component includes a second cutting knife driven by a second cutting air cylinder;

[0008] The weighing mechanism includes an electronic weighing device arranged directly below the cutting mechanism. Above the electronic weighing device, there is a weighing frame for carrying DMC or BMC composite materials. On the weighing frame, there is a pushing plate for pushing the DMC or BMC composite materials towards the shaping mechanism, and the pushing plate is driven by a pushing air cylinder;

[0009] The shaping mechanism includes a shaping frame for carrying the DMC or BMC composite materials that fall from the weighing frame. On the shaping frame, there is a shaping extrusion component for extruding the DMC or BMC composite materials. The shaping extrusion component includes a shaping extrusion plate driven by a shaping extrusion air cylinder;

[0010] The scraping mechanism includes a first scraping component for scraping the DMC or BMC composite materials adhered to the first cutting knife and the second cutting knife, a second scraping component for scraping the DMC or BMC composite materials adhered to the pushing plate, and a third scraping component for scraping the DMC or BMC composite materials adhered to the shaping extrusion plate;

[0011] The first scraping component includes a first scraping plate driven by a first scraping air cylinder, and on the first scraping plate, there is a first scraping surface matching the first cutting knife or the second cutting knife;

[0012] The second scraping component includes a second scraping plate arranged at an interval from the shaping frame, and the top of the second scraping plate abuts against the bottom of the pushing plate;

[0013] The third scraping component includes a scraping base driven by a third scraping air cylinder, and on the scraping base, there is a third scraping plate for scraping the DMC or BMC composite materials adhered to the shaping extrusion plate.

[0014] In one embodiment, a blowing port is arranged at the position of the first scraping surface corresponding to the first scraping plate, and the blowing port is externally connected to a gas supply pipeline.

[0015] In one embodiment, the second scraping component further includes a material receiving box arranged at the interval between the shaping frame and the second scraping plate.

[0016] In one embodiment, the scraping base is slidably connected to the shaping mechanism through a scraping guide rail.

[0017] In one embodiment, a feeding mechanism is also provided on the frame, and the feeding mechanism includes a lifting seat which is arranged to rise and fall relative to the barrel, and a lifting slide rail which is slidably connected to the lifting seat is provided on the frame, and a loading plate is rotatably connected to the lifting seat, and the lifting seat is driven by a loading cylinder, and a flip guide rod is provided on one side of the loading plate, and a flip guide block is provided at the feeding port of the barrel corresponding to the lifting slide rail, and the flip guide block is provided with an arc-shaped flip guide groove for the flip guide rod to enter and exit.

[0018] In one embodiment, a baffle plate is provided on one side of the barrel corresponding to the feed port.

[0019] In one embodiment, the extrusion mechanism includes an extrusion plate that rises and falls relative to the barrel, a transmission mechanism and an extrusion motor. The extrusion plate is connected to the extrusion motor through the transmission mechanism. A limited rotation rod is provided on the extrusion plate, and the limited rotation rod passes through the frame.

[0020] The advantages or beneficial effects of the above technical scheme at least include: when it is necessary to process the DMC or BMC composite material stuck on the cutting mechanism, weighing mechanism and shaping mechanism, since the scraping mechanism includes a first scraping assembly for scraping off the DMC or BMC composite material stuck on the first cutting knife and the second cutting knife, a second scraping assembly for scraping off the DMC or BMC composite material stuck on the push plate and a third scraping assembly for scraping off the DMC or BMC composite material stuck on the shaping extrusion plate; the first scraping assembly includes a first scraper driven by a first scraping cylinder, and the first scraper is provided with a first scraping surface matching the first cutting knife or the second cutting knife; the second scraper assembly includes a second scraper spaced apart from the shaping frame, and the top of the second scraper is in conflict with the bottom of the push plate; the third scraper assembly includes a scraper base driven by a third scraper cylinder, and the scraper base is provided with a first scraping surface for scraping off the whole Therefore, under the action of the first scraper assembly respectively arranged on the first cutting knife and the second cutting knife, after the first scraper is driven by the first scraper cylinder, the first scraping surface of the first scraper can scrape off the DMC or BMC composite material stuck on the surface of the first cutting knife or the second cutting knife; through the position setting of the second scraper, during the movement of the pusher plate, the DMC or BMC composite material on the pusher plate can be scraped off by the second scraper; through the setting of the third scraper assembly, after the third scraper cylinder drives the scraper base, the third scraper can scrape off the DMC or BMC composite material stuck on the shaping extrusion plate, thereby preventing the DMC or BMC composite material from sticking to the first cutting knife, the second cutting knife, the pusher plate and the shaping extrusion plate of the weighing equipment, so as to ensure the normal operation of the cutting mechanism, the weighing mechanism and the shaping mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings illustrate exemplary embodiments of the present utility model and, together with their descriptions, are used to explain the principles of the present utility model. These accompanying drawings are included to provide a further understanding of the present utility model and are included in this specification and form a part of this specification.

[0022] Figure 1 Shows a schematic structural diagram of a BMC or DMC composite material weighing and shaping device according to an exemplary embodiment of the present utility model;

[0023] Figure 2 Shows a schematic structural diagram of a feeding mechanism according to an exemplary embodiment of the present utility model;

[0024] Figure 3 Shows a schematic cross-sectional structural diagram of a barrel and an extrusion mechanism according to an exemplary embodiment of the present utility model;

[0025] Figure 4 Shows a schematic structural diagram of a cutting mechanism and a first scraping component according to an exemplary embodiment of the present utility model Figure 1 ;

[0026] Figure 5 Shows a schematic structural diagram of a cutting mechanism and a first scraping component according to an exemplary embodiment of the present utility model Figure 2 ;

[0027] Figure 6 Shows a schematic structural diagram of a first scraping component according to an exemplary embodiment of the present utility model;

[0028] Figure 7 Shows a schematic structural diagram of a weighing mechanism and a second scraping component according to an exemplary embodiment of the present utility model;

[0029] Figure 8 Shows a schematic side cross-sectional structural diagram of a weighing mechanism and a second scraping component according to an exemplary embodiment of the present utility model;

[0030] Figure 9 Shows a schematic structural diagram of a shaping mechanism and a third scraping component according to an exemplary embodiment of the present utility model;

[0031] Figure 10 Shows a schematic structural diagram of a shaping extrusion component according to an exemplary embodiment of the present utility model;

[0032] Figure 11 Shows a schematic structural diagram of a side shaping component according to an exemplary embodiment of the present utility model;

[0033] Figure 12 Shows a schematic structural diagram of a top shaping component according to an exemplary embodiment of the present utility model;

[0034] Figure 13 Shows a structural schematic of an end pressure component and a third scraping component according to an exemplary embodiment of the present invention Figure 1 ;

[0035] Figure 14 Shows a structural schematic of an end pressure component and a third scraping component according to an exemplary embodiment of the present invention Figure 2 .

[0036] Explanation of reference numerals:

[0037] 1, frame;

[0038] 2, barrel;

[0039] 21, feed inlet; 22, extrusion outlet; 23, baffle plate;

[0040] 3, feeding mechanism;

[0041] 31, lifting seat; 32, lifting slide rail; 33, feeding plate; 34, feeding cylinder; 35, turning guide rod; 36, turning guide block; 361, arc turning guide groove;

[0042] 4, extrusion mechanism;

[0043] 41, extrusion plate; 411, rotation limiting rod; 42, transmission mechanism; 421, worm; 422, turbine; 43, extrusion motor; 44, absolute encoder; 45, pressure sensor;

[0044] 5, cutting mechanism;

[0045] 51, first cutting component; 511, first cutting cylinder; 512, first cutting knife; 513, through hole; 514, first cutting base; 515, first cutting slide rail; 52, second cutting component; 521, second cutting cylinder; 522, second cutting knife; 523, second cutting base; 524, second cutting slide rail;

[0046] 6, weighing mechanism;

[0047] 61, electronic weighing device; 62, weighing frame; 63, pushing plate; 64, pushing cylinder; 65, guiding plate;

[0048] 7, shaping mechanism;

[0049] 71. Shaping frame; 72. Shaping extrusion assembly; 721. Shaping extrusion cylinder; 722. Shaping extrusion plate; 73. Shaping pushing assembly; 731. Shaping pushing cylinder; 732. Shaping pushing plate; 74. Side shaping assembly; 741. Side shaping cylinder; 742. Side shaping plate; 7421. Side shaping vertical plate; 7422. First side arc plate; 75. Top shaping assembly; 751. Top shaping cylinder; 752. Top shaping plate; 753. Support base; 754. Second side arc plate; 76. End pressure-bearing assembly; 761. End pressure-bearing cylinder; 762. End moving base; 763. End pressure-bearing plate; 764. End moving guide rail;

[0050] 8. Scraping mechanism;

[0051] 81. First scraping assembly; 811. First scraping cylinder; 812. First scraping plate; 813. First scraping surface; 814. Air blowing port; 82. Second scraping assembly; 821. Second scraping plate; 822. Material receiving box; 83. Third scraping assembly; 831. Third scraping cylinder; 832. Scraping base; 833. Third scraping plate; 834. Scraping guide rail. Detailed implementation manners

[0052] Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although some embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not used to limit the protection scope of the present invention.

[0053] It should be noted that, without conflict, the implementation manners and features in the implementation manners of the present invention can be combined with each other. The present invention will be described in detail below with reference to the drawings and in combination with the implementation manners.

[0054] The term "including" and its variations used herein are open-ended, that is, "including but not limited to". The term "based on" is "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description. It should be noted that the concepts such as "first" and "second" mentioned in the present invention are only used to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or the interdependent relationship therebetween.

[0055] It should be noted that the modifications of "one" and "multiple" mentioned in the present utility model are illustrative rather than restrictive. Those skilled in the art should understand that unless otherwise clearly specified in the context, it should be understood as "one or more".

[0056] The names of the messages or information exchanged between multiple devices in the embodiments of the present utility model are only for illustrative purposes and are not used to limit the scope of these messages or information.

[0057] See Figure 1 , Figures 3 - 14 , an embodiment of the present utility model provides a BMC or DMC composite material weighing and shaping device, including a frame 1, a material cylinder 2 is arranged on the frame 1, a feed inlet 21 is arranged at the top of the material cylinder 2, and an extrusion port 22 communicating with the feed inlet 21 is arranged at the bottom. An extrusion mechanism 4 for extruding BMC or DMC composite materials in the material cylinder 2 is arranged at the top of the material cylinder 2, and a cutting mechanism 5, a weighing mechanism 6, a shaping mechanism 7 and a scraping mechanism 8 for cutting the BMC or DMC composite materials extruded from the material cylinder 2 are arranged at the bottom of the material cylinder 2; wherein, an anti-adhesive material is arranged on the inner surface of the material cylinder 2, which can make the surface of the extruded BMC or DMC composite material smooth; the extrusion port 22 can be made of anti-adhesive material to facilitate material replacement and cleaning;

[0058] The cutting mechanism 5 includes a first cutting component 51 and a second cutting component 52 arranged on the first cutting component 51. The first cutting component 51 includes a first cutting knife 512 driven by a first cutting cylinder 511, and the second cutting component 52 includes a second cutting knife 522 driven by a second cutting cylinder 521;

[0059] Among them, a through hole 513 communicating with the extrusion port 22 is provided on the first cutting knife 512. The aperture of the through hole 513 is smaller than that of the extrusion port 22. The first cutting assembly 51 further includes a first cutting base 514 and a first cutting slide rail 515 installed on the frame 1. The first cutting base 514 is slidably connected to the first cutting slide rail 515. The first cutting knife 512 is installed on the first cutting base 514. The output end of the first cutting cylinder 511 is connected to the first cutting base 514. The second cutting assembly 52 further includes a second cutting base 523 and a second cutting slide rail 524 installed on the first cutting base 514. The second cutting base 523 is slidably connected to the second cutting slide rail 524. The second cutting knife 522 is installed on the second cutting base 523. The output end of the second cutting cylinder 521 is connected to the second cutting base 523. When cutting materials with a large weight, when the BMC or DMC composite material is extruded from the extrusion port 22, cutting can be performed by the first cutting knife 512. When cutting materials with a small weight, the BMC or DMC composite material is extruded from the extrusion port 22 towards the through hole 513, and then through the through hole 513 towards the second cutting knife 522, and then cutting is performed by the second cutting knife 522 to facilitate controlling the weighing accuracy.

[0060] The weighing mechanism 6 includes an electronic weighing device 61 disposed directly below the cutting mechanism 5. Above the electronic weighing device 61, there is a weighing frame 62 for carrying the DMC or BMC composite material. On the weighing frame 62, there is a pusher plate 63 for pushing the DMC or BMC composite material towards the shaping mechanism 7. The pusher plate 63 is driven by a pusher cylinder 64. The pusher cylinder 64 can be selected as a rodless cylinder to reduce the cylinder length and floor area. The electronic weighing device 61 can be an industrial-grade electronic scale, which has communication functions, high precision, and fast response.

[0061] Among them, on one side of the weighing frame 62 close to the shaping mechanism 7, there is an inclined guide plate 65. After the pusher cylinder 64 drives the pusher plate 63 to move, the DMC or BMC composite material on the weighing frame 62 is pushed to the guide plate 65, and then the guide plate 65 guides the DMC or BMC composite material to the shaping mechanism 7.

[0062] The shaping mechanism 7 includes a shaping frame 71 for carrying the DMC or BMC composite material that falls from the weighing frame 62. On the shaping frame 71, there is a shaping and extrusion assembly 72 for extruding the DMC or BMC composite material. The shaping and extrusion assembly 72 includes a shaping and extrusion plate 722 driven by a shaping and extrusion cylinder 721.

[0063] Among them, the shaping mechanism 7 further includes a shaping pushing component 73, a side shaping component 74, a top shaping component 75, and an end pressing component 76. The shaping pushing component 73 is arranged on one side of the shaping frame 71 close to the weighing mechanism 6, and the end pressing component 76 is arranged on the side of the shaping frame 71 away from the weighing mechanism 6. The shaping extrusion component 72 and the side shaping component 74 are respectively arranged on the other two sides of the shaping frame 71, and the top shaping component 75 is arranged on the side of the shaping frame 71 corresponding to the shaping extrusion component 72;

[0064] The shaping pushing component 73 includes a shaping pushing plate 732 driven by a shaping pushing cylinder 731. The side shaping component 74 includes a side shaping plate 742 driven by a side shaping cylinder 741. The side shaping plate 742 includes a side shaping vertical plate 7421 and a first side arc plate 7422. The top shaping component 75 includes a top shaping plate 752 driven by a top shaping cylinder 751. The top shaping cylinder 751 is installed on the shaping frame 71 by a support seat 753. A second side arc plate 754 is arranged on one side of the support seat 753 facing the side shaping component 74. The end pressing component 76 includes an end moving base 762 driven by an end pressing cylinder 761. An end pressing plate 763 is arranged on the end moving base 762. An end moving guide rail 764 is slidably connected to the end moving base 762, and the end moving guide rail 764 is installed on the shaping frame 71. A cylindrical forming cavity is formed among the shaping extrusion plate 722, the first side arc plate 7422, the top shaping plate 752, the second side arc plate 754, and the end pressing plate 763, so that the DMC or BMC composite material shaped by the shaping extrusion component 72, the side shaping component 74, the top shaping component 75, and the end pressing component 76 can form a cylindrical shape;

[0065] The scraping mechanism 8 includes a first scraping component 81 for scraping the DMC or BMC composite material adhered to the first cutting knife 512 and the second cutting knife 522, a second scraping component 82 for scraping the DMC or BMC composite material adhered to the pushing plate 63, and a third scraping component 83 for scraping the DMC or BMC composite material adhered to the shaping extrusion plate 722;

[0066] The first scraping component 81 includes a first scraping plate 812 driven by a first scraping cylinder 811. A first scraping surface 813 matching the first cutting knife 512 or the second cutting knife 522 is arranged on the first scraping plate 812;

[0067] The second scraping component 82 includes a second scraping plate 821 arranged at an interval from the shaping frame 71. The top of the second scraping plate 821 abuts against the bottom of the pushing plate 63;

[0068] The third scraping component 83 includes a scraping base 832 driven by a third scraping air cylinder 831, and a third scraping plate 833 for scraping the DMC or BMC composite material adhered to the shaping and pressing plate 722 is arranged on the scraping base 832. Among them, the third scraping plate 833 can be provided with a blowing port for an external air supply pipeline to facilitate removing the DMC or BMC composite material on the third scraping plate 833.

[0069] With the above structure, when it is necessary to process the DMC or BMC composite material adhered to the cutting mechanism 5, the weighing mechanism 6 and the shaping mechanism 7, since the scraping mechanism 8 includes a first scraping component 81 for scraping the DMC or BMC composite material adhered to the first cutting knife 512 and the second cutting knife 522, a second scraping component 82 for scraping the DMC or BMC composite material adhered to the pushing plate 63, and a third scraping component 83 for scraping the DMC or BMC composite material adhered to the shaping and pressing plate 722; the first scraping component 81 includes a first scraping plate 812 driven by a first scraping air cylinder 811, and a first scraping surface 813 matching the first cutting knife 512 or the second cutting knife 522 is arranged on the first scraping plate 812; the second scraping component 82 includes a second scraping plate 821 arranged at an interval from the shaping frame 71, and the top of the second scraping plate 821 abuts against the bottom of the pushing plate 63; the third scraping component 83 includes a scraping base 832 driven by a third scraping air cylinder 831, and a third scraping plate 833 for scraping the DMC or BMC composite material adhered to the shaping and pressing plate 722 is arranged on the scraping base 832. Therefore, under the action of the first scraping component 81 respectively arranged on the first cutting knife 512 and the second cutting knife 522, after the first scraping air cylinder 811 drives the first scraping plate 812, the first scraping surface 813 of the first scraping plate 812 can scrape the DMC or BMC composite material adhered to the surface of the first cutting knife 512 or the second cutting knife 522. Due to the position setting of the second scraping plate 821, when the pushing plate 63 moves, the DMC or BMC composite material on the pushing plate 63 can be scraped off by the second scraping plate 821. Due to the setting of the third scraping component 83, after the third scraping air cylinder 831 drives the scraping base 832, the third scraping plate 833 can scrape the DMC or BMC composite material adhered to the shaping and pressing plate 722, so as to avoid the DMC or BMC composite material from adhering to the first cutting knife 512, the second cutting knife 522, the pushing plate 63 and the shaping and pressing plate 722 of the weighing equipment, and ensure the normal operation of the cutting mechanism 5, the weighing mechanism 6 and the shaping mechanism 7.

[0070] In one embodiment, see Figure 4 、 Figure 5 and Figure 6。The first scraping plate 812 is provided with a blowing port 814 corresponding to the position of the first scraping surface 813, and the blowing port 814 is externally connected to a gas supply pipeline. In actual use, by arranging the blowing port 814 on the first scraping surface 813, the high-pressure gas in the gas supply pipeline blows towards the blowing port 814, so that the high-pressure gas blows off the DMC or BMC composite material on the first scraping surface 813, thereby further improving the effect of cleaning the DMC or BMC composite material.

[0071] In one embodiment, refer to Figure 7 and Figure 8 。The second scraping component 82 further includes a material receiving box 822 arranged at the interval between the shaping frame 71 and the second scraping plate 821. In actual use, the arrangement of the material receiving box 822 can collect the DMC or BMC composite material scraped by the second scraping plate 821, so as to facilitate the reuse of the dropped DMC or BMC composite material.

[0072] In one embodiment, refer to Figure 13 and Figure 14 。The scraping base 832 is slidably connected to the shaping mechanism 7 through a scraping guide rail 834. In actual use, the arrangement of the scraping guide rail 834 can make the scraping base 832 move more stably and smoothly on the shaping mechanism 7.

[0073] In one embodiment, refer to Figure 1 and Figure 2 。The frame 1 is further provided with a feeding mechanism 3. The feeding mechanism 3 includes a lifting seat 31 arranged to lift relative to the material cylinder 2. The frame 1 is provided with a lifting slide rail 32 slidably connected to the lifting seat 31. A feeding plate 33 is rotatably connected to the lifting seat 31. The lifting seat 31 is driven by a feeding air cylinder 34. One side of the feeding plate 33 is provided with a flipping guide rod 35. The lifting slide rail 32 is provided with a flipping guide block 36 corresponding to the feeding port 21 of the material cylinder 2. The flipping guide block 36 is provided with an arc-shaped flipping guide groove 361 for the flipping guide rod 35 to enter and exit. In actual use, under the setting of the feeding mechanism 3, when it is necessary to add DMC or BMC composite material to the material cylinder 2, the DMC or BMC composite material can be placed on the feeding plate 33 of the feeding mechanism 3. After the lifting seat 31 is driven by the feeding air cylinder 34 to rise until the flipping guide rod 35 is embedded in the arc-shaped flipping guide groove 361, it can guide the feeding plate 33 to flip towards the feeding port 21 of the material cylinder 2 on the lifting seat 31, so as to facilitate pouring the DMC or BMC composite material into the material cylinder 2, avoiding the trouble of manually lifting the DMC or BMC composite material to the feeding port 21 and reducing the labor intensity of the workers at the same time.

[0074] In one embodiment, refer to Figure 1 and Figure 3。One side of the barrel 2 corresponding to the feed inlet 21 is provided with a baffle 23. In practical applications, the baffle 23 can block the DMC or BMC composite material poured into the feed inlet 21 of the barrel 2, preventing the DMC or BMC composite material from falling out of the barrel 2 from the feed inlet 21 when pouring the DMC or BMC composite material.

[0075] In one embodiment, refer to Figure 1 and Figure 3 。The extrusion mechanism 4 includes an extrusion plate 41 that moves up and down relative to the barrel 2, a transmission mechanism 42, and an extrusion motor 43. The extrusion plate 41 is drivingly connected to the extrusion motor 43 through the transmission mechanism 42. A rotation-limiting rod 411 is provided on the extrusion plate 41, and the rotation-limiting rod 411 passes through the frame 1. Among them, the transmission mechanism 42 includes a worm 421 and a turbine 422 installed on the extrusion plate 41. The worm 421 meshes with the turbine 422, and the turbine 422 is drivingly connected to the extrusion motor 43; an absolute encoder 44 and a pressure sensor 45 can be provided on the extrusion plate 41 to sense the position and pressure when the extrusion plate 41 extrudes the DMC or BMC composite material, and cooperate with the extrusion motor 43 to facilitate precise control of the movement of the extrusion plate 41; the extrusion motor 43 can be a combination of a servo motor and a reducer to ensure the accuracy during its driving; in practical applications, after the extrusion motor 43 drives the transmission mechanism 42, and with the setting of the rotation-limiting rod 411, the rotation of the extrusion plate 41 is restricted, so that the transmission mechanism 42 drives the extrusion plate 41 to move up and down, thereby enabling the extrusion plate 41 to extrude the DMC or BMC composite material in the barrel 2, so as to extrude the DMC or BMC composite material from the extrusion outlet 22 to the cutting mechanism 5.

[0076] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0077] Those skilled in the art should understand that the above embodiments are only for clearly explaining the present invention, rather than limiting the scope of the present invention. For those skilled in the art, other changes or modifications can be made on the basis of the above invention, and these changes or modifications are still within the scope of the present invention.

Claims

1. A BMC or DMC composite material weighing and shaping device, characterized in that: The machine frame comprises a barrel, a feed port is arranged on the barrel, an extrusion port communicated with the feed port is arranged at the barrel's top, an extrusion mechanism for extruding the BMC or DMC composite material in the barrel is arranged at the barrel's top, and a cutting mechanism, a weighing mechanism, a shaping mechanism and a scraping mechanism for cutting off the BMC or DMC composite material extruded from the barrel are arranged at the barrel's bottom; The cutting mechanism comprises a first cutting assembly and a second cutting assembly arranged on the first cutting assembly, wherein the first cutting assembly comprises a first cutting knife driven by a first cutting cylinder, and the second cutting assembly comprises a second cutting knife driven by a second cutting cylinder; The weighing mechanism includes an electronic weighing device arranged directly below the cutting mechanism, a weighing frame for carrying the DMC or BMC composite material is arranged above the electronic weighing device, a pushing plate for pushing the DMC or BMC composite material toward the shaping mechanism is arranged on the weighing frame, and the pushing plate is driven by a pushing cylinder; The shaping mechanism comprises a shaping frame for carrying the DMC or BMC composite material dropped from the weighing frame, the shaping frame is provided with a shaping extrusion assembly for extruding the DMC or BMC composite material, and the shaping extrusion assembly comprises a shaping extrusion plate driven by a shaping extrusion cylinder; The scraper mechanism comprises a first scraper assembly for scraping off the DMC or BMC composite material stuck on the first cutting blade and the second cutting blade, a second scraper assembly for scraping off the DMC or BMC composite material stuck on the push plate, and a third scraper assembly for scraping off the DMC or BMC composite material stuck on the shaping extrusion plate; The first scraper assembly comprises a first scraper driven by a first scraper cylinder, and the first scraper is provided with a first scraping surface matching the first cutting knife or the second cutting knife; The second scraper assembly includes a second scraper plate spaced apart from the shaping frame, and the top of the second scraper plate abuts against the bottom of the pusher plate; The third scraper assembly includes a scraper base driven by a third scraper cylinder, and the scraper base is provided with a third scraper for scraping off the DMC or BMC composite material adhered to the shaping extrusion plate.

2. The BMC or DMC composite material weighing and shaping device according to claim 1, characterized in that: The first scraper is provided with an air blowing port at a position corresponding to the first scraping surface, and the air blowing port is externally connected to an air supply pipeline.

3. The BMC or DMC composite material weighing and shaping device according to claim 1, characterized in that: The second scraper assembly also includes a material receiving box arranged at the interval between the shaping frame and the second scraper.

4. The BMC or DMC composite material weighing and shaping device according to claim 1, characterized in that: The scraper base is slidably connected to the shaping mechanism through a scraper guide rail.

5. The BMC or DMC composite material weighing and shaping device according to claim 1, characterized in that: The frame is also provided with a feeding mechanism, which includes a lifting seat which is arranged to rise and fall relative to the barrel, the frame is provided with a lifting slide rail which is slidably connected to the lifting seat, the lifting seat is rotatably connected with a loading plate, the lifting seat is driven by a loading cylinder, a flip guide rod is provided on one side of the loading plate, the lifting slide rail is provided with a flip guide block at the feeding port of the barrel, and the flip guide block is provided with an arc-shaped flip guide groove for the flip guide rod to enter and exit.

6. The BMC or DMC composite material weighing and shaping device according to claim 1 or 5, characterized in that: A material blocking plate is arranged on one side of the barrel corresponding to the material feed port.

7. The BMC or DMC composite material weighing and shaping device according to claim 1, characterized in that: The extrusion mechanism comprises an extrusion plate which is lifted and lowered relative to the barrel, a transmission mechanism and an extrusion motor. The extrusion plate is in transmission connection with the extrusion motor through the transmission mechanism. A limited rotation rod is arranged on the extrusion plate and passes through the frame.

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