CN109622172B - Polypropylene fiber reinforcement machine - Google Patents

Abstract

The invention provides a polypropylene fiber reinforcement machine, which comprises a shell and a top cover, and is characterized in that: a scattering cavity, a dispersing cavity and a stirring cavity which are communicated with each other are sequentially formed in the shell; the shell is provided with a scattering device in the scattering cavity, the scattering device comprises a scattering net, and the scattering net is driven to rotate along a vertical axis; a separation net is fixedly connected to the bottom of the dispersion cavity, and separates the dispersion cavity from the stirring cavity; the shell is provided with a disperser in the dispersing cavity, and the disperser comprises a dispersing frame; the dispersing frame comprises a main shaft and pressing plates, the vertically arranged main shaft is driven to rotate, a plurality of pressing plates are uniformly and fixedly connected to the lower end of the main shaft along the radial direction, and the bottom surfaces of the pressing plates are abutted to the surface of the separating net. The polypropylene fiber reinforcement machine provided by the invention has the procedures of scattering, separating, stirring and the like, so that the polypropylene fiber and the soil/cement are uniformly mixed.

Description

A polypropylene fiber reinforcement machine

Technical field

The invention belongs to the field of building material processing, and in particular relates to a polypropylene fiber reinforcement machine.

Background technique

In order to enhance the shear and compressive strength of soil/cement bodies, etc., polypropylene fibers are usually added to them in engineering projects, thereby improving the overall strength of roadbeds, etc.

However, practice has proven that during the process of adding polypropylene fibers, fiber agglomeration often occurs, and manually separating and mixing polypropylene fibers in soil or cement is very time-consuming and labor-intensive, and it is difficult to achieve uniform fiber distribution.

The reason is that during the artificial reinforcement process, it is difficult to ensure that the soil or cement is continuously stirred and fibers are mixed in at a uniform speed and amount at the same time. This will lead to excessive fiber density in a certain space, resulting in fiber agglomeration during the mixing process. The occurrence of agglomeration will cause weak areas in the soil caused by fiber clusters, thus affecting the overall strength.

Contents of the invention

In view of this, the present invention aims to propose a polypropylene fiber reinforcement machine to solve the problem of uniform distribution of fibers of different lengths in soil or cement, free up manpower, and save time and financial resources.

In order to achieve the above objects, the technical solution of the present invention is implemented as follows:

A polypropylene fiber reinforcement machine includes a shell and a top cover. The shell is sequentially formed with interconnected dispersing chambers, dispersing chambers and stirring chambers; the shell is provided with a disperser in the dispersing chamber, and the disperser It includes a dispersing net, which is driven to rotate along the vertical axis; a separation net is fixed at the bottom of the dispersion chamber, and the separation net separates the dispersion chamber and the stirring chamber; the shell is provided with a disperser in the dispersion chamber, and the disperser It includes a dispersing frame; the dispersing frame includes a main shaft and a pressure plate. The vertical main shaft is driven to rotate. Several pressure plates are evenly fixed on the lower end of the main shaft in the radial direction, and the bottom surface of the pressure plate is in contact with the surface of the separation net.

Further, a partition is provided between the dispersing chamber and the flow limiting chamber, the shell has a socket on the outer wall of the dispersing chamber, and a symmetrically arranged slot on the inner wall of the dispersing chamber. are located on the same plane as the socket and are connected to each other; the partition is inserted into the slot from the socket to make the dispersing chamber a closed space. Further, the housing forms a limited flow chamber between the dispersing chamber and the dispersing chamber. A flow limiter is installed in the flow restriction chamber, and the flow limiter controls the speed and quantity of fibers entering the dispersion chamber.

Further, the flow limiter includes a flow limiting roller; the flow limiting roller includes a roller body, which is set horizontally and driven to rotate in the housing. The roller body is evenly provided with separation plates arranged along the busbar on the cylindrical surface. A temporary storage cavity is formed between the separation plates; and the roller body is arranged directly below the feed inlet of the flow restriction cavity.

Further, the housing includes an upper shell and a lower shell, and the upper shell and the lower shell are detachably and fixedly connected; the breaking chamber and the dispersing chamber are located in the upper shell, and the stirring chamber is located in the lower shell.

Further, the housing is formed with a discharging chamber on the lower side of the stirring chamber, and a baffle is provided between the stirring chamber and the discharging chamber.

Further, the baffle includes an end plate and an inserting plate, the shell has an opening on the outer wall, and a symmetrically arranged chute on the inner wall of the mixing chamber, the chute and the opening are located on the same plane and connected with each other; The inserting plate is inserted into the mixing chamber from the opening, and horizontally extending flanges are formed on both sides of the inserting plate; the two flangings are respectively inserted into the chute to separate the mixing chamber and the discharging chamber.

Further, a rubber layer is attached to the inner wall of the opening.

Further, a discharge port is provided on the outer wall of the discharge chamber, and a drawer is inserted into the housing from the discharge port.

Further, a double-spiral stirrer is provided in the stirring chamber. The stirring driver of the double-helical stirrer is installed on the outer wall of the casing, and its stirring shaft is set horizontally and is rotationally connected to the inner wall of the casing.

Compared with the existing technology, the polypropylene fiber reinforcement machine of the present invention has the following advantages:

The polypropylene fiber reinforcing machine of the present invention decomposes the polypropylene fiber bundles that are in the form of bulk polymerization into a loose mass polymerization form through the rotation of the disperser; the partition is pulled out to cause the fibers to fall into the flow-limiting cavity. . By changing the rotation speed of the flow limiter, the speed and quantity of fibers entering the dispersion chamber are controlled; through the rotation of the disperser, the friction and contact between the pressure plate and the separation net, the clustered fibers that fall evenly on the separation net are separated (imitating artificial dispersed fibers) process), and make the completely separated fibers fall from the mesh into the mixing chamber. When the dispersed fibers fall into the mixing chamber, the soil or cement in the mixing chamber is uniformly and fully mixed with the fibers through the rotation of the double-spiral mixer. Finally, the baffle is pulled out, and the soil or cement mixed with polypropylene fiber falls into the drawer, and can be used directly for construction after being pulled out.

Description of the drawings

The drawings forming a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached picture:

Figure 1 is a schematic diagram of a polypropylene fiber reinforcement machine according to an embodiment of the present invention;

Figure 2 is a cross-sectional view of the polypropylene fiber reinforcement machine according to the embodiment of the present invention;

Figure 3 is an exploded view of the lower shell according to the embodiment of the present invention.

Explanation of reference symbols:

1. Shell; 11. Upper shell; 111. Dispersing chamber; 112. Flow limiting chamber; 113. Dispersing chamber; 12. Lower shell; 121. Mixing chamber; 122. Discharge chamber; 2. Top cover; 21. Dispersing net; 3. Partition plate; 4. Current limiting roller; 41. Roller body; 42. Separating plate; 5. Separating net; 6. Dispersing rack; 61. Spindle; 62. Pressure plate; 7. Baffle; 71. End plate; 72, insert plate; 8, double spiral mixer; 9, drawer.

Detailed ways

It should be noted that, as long as there is no conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and The simplified description is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms “first”, “second”, etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, features defined by "first," "second," etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

A polypropylene fiber reinforcement machine, as shown in Figure 1, includes a shell 1 and a top cover 2.

As shown in FIG. 2 , the inner cavity of the housing 1 is sequentially formed with interconnected dispersing chambers 111 , flow limiting chambers 112 , dispersing chambers 113 , stirring chambers 121 and discharging chambers 122 from top to bottom.

A partition 3 is provided between the dispersing chamber 111 and the flow limiting chamber 112 . The housing 1 has a socket on the outer wall of the dispersing chamber 111, and has a symmetrically arranged slot on the inner wall of the dispersing chamber 111. The slots and the sockets are located on the same plane and connected with each other. The partition 3 is inserted into the slot from the socket, and separates the dispersing chamber 111 and the flow-restricting chamber 112, making the dispersing chamber 111 a closed space. A slide rail can also be provided in the slot, and the slide rail is slidingly connected to the partition plate 3 to facilitate the disassembly of the partition plate 3 and thereby control the opening and closing of the dispersing chamber 111.

A disperser is installed on the bottom surface of the top cover 2, and the disperser is located in the dispersing chamber 111. The disperser includes a dispersing net 21 and a dispersing driver. The dispersing net 21 is in the shape of an ellipsoid and is rotatably connected to the bottom surface of the top cover 2; the motor as the dispersing driver is placed in the top cover 2, and its output shaft runs vertically through The bottom surface of the top cover 2 is fixedly connected to one end of the dispersing net 21. In addition, the breaking net 21 can be replaced by an egg breaking net in the prior art, which is easy to replace. The dispersing chamber 111 is closed by the partition 3, and is dispersed by the rotation of the disperser.

The inner wall of the flow restriction chamber 112 is funnel-shaped, and the housing 1 is provided with a flow limiter in the flow restriction chamber 112 . The current limiter includes a current limiting roller 4 and a current limiting driver. The current limiting roller 4 includes a roller body 41, which is set horizontally and is rotationally connected to the housing 1. A motor as a current limiting driver is installed on the outer wall of the housing 1, and its output shaft penetrates the wall surface of the limiting flow and is connected with the roller body 41. One end is fixed, so that the current limiting driver drives the roller body 41 to rotate. Separating plates 42 arranged along the bus line are evenly arranged on the cylindrical surface of the roller body 41, and a temporary storage cavity is formed between adjacent separating plates 42. Since the roller body 41 is disposed directly below the feed inlet of the flow restriction chamber 112, the polypropylene fibers dropped from the dispersing chamber 111 fall into the temporary storage chamber, and as the roller body 41 rotates, the temporary storage chamber moves from the temporary storage chamber to the temporary storage chamber. The chamber slides out and falls into the dispersion chamber 113 along the inner wall of the flow restriction chamber 112 .

A separation net 5 is fixed at the bottom of the dispersion chamber 113, and the horizontal separation net 5 separates the dispersion chamber 113 and the stirring chamber 121. The mesh width of the separation net 5 is one-quarter of the fiber length to ensure separation quality. At the same time, the mesh width of the separation net 5 can be replaced by nets of different mesh sizes to adapt to fibers of different lengths. The housing 1 is equipped with a disperser in the separation chamber. The disperser includes a dispersing frame 6 and a dispersing drive. The dispersing frame 6 includes a main shaft 61 and a pressure plate 62. The motor as a dispersing driver is installed in the dispersing chamber 113 through a cross bracket, and its output shaft passes through the cross bracket and is fixedly connected to the vertical main shaft 61. Several pressure plates 62 are evenly fixed on the lower end of the main shaft 61 along the radial direction, and the bottom surface of the pressure plates 62 is in contact with the upper surface of the separation net 5 . In this way, through the rolling of the pressing plate 62, the polypropylene fiber is pressed through the separation mesh 5 and enters the stirring chamber 121. The pressure plate 62 is wrapped and thickened with soft rubber, and is coated with an antistatic agent on the outside to prevent static electricity from being generated during friction with the separation net 5 and affecting the dispersion effect.

In order to facilitate the replacement of the separation mesh 5 and the addition of soil or cement into the mixing chamber 121, the housing 1 includes an upper shell 11 and a lower shell 12, and the upper shell 11 and the lower shell 12 are detachably and fixedly connected, wherein the dispersion chamber 111, the limit The flow chamber 112 and the dispersion chamber 113 are both located in the upper shell 11 , and the stirring chamber 121 and the discharge chamber 122 are both located in the lower shell 12 .

A double-helix stirrer 8 is provided in the stirring chamber 121. The stirring driver of the double-helix stirrer 8 is installed on the outer wall of the housing 1, and its stirring shaft is horizontally arranged and rotationally connected to the inner wall of the housing 1. The double-helix stirrer 8 adopts existing technology and will not be described in detail in this embodiment.

As shown in FIG. 3 , a baffle 7 is provided between the stirring chamber 121 and the discharging chamber 122 . The baffle 7 includes an end plate 71 and an insert plate 72 . The end plate 71 is arranged vertically, and the plug-in plate 72 is fixed on one side of the end plate 71 along the normal direction of the end plate 71 . In order to cooperate with the double helix stirrer 8, the inserting plate 72 is semicircular. The housing 1 has an opening on the outer wall, and a symmetrically arranged chute on the inner wall of the stirring chamber 121. The chute and the opening are located on the same plane and communicate with each other. The insert plate 72 is inserted into the mixing chamber 121 from the opening, and horizontally extending flanges are formed on both sides of the insert plate 72; the two flanges are respectively inserted into the chute to separate the mixing chamber 121 and the discharging chamber 122, so that the mixing chamber 121 Become a closed space. A slideway can also be provided in the chute, and the slideway and the inserting plate 72 are slidingly connected to facilitate the disassembly of the baffle 7, thereby controlling the opening and closing of the mixing chamber 121. In addition, a rubber layer is attached to the inner wall of the opening to prevent leakage.

A discharge opening is provided on the outer wall of the discharging cavity 122, and a drawer 9 is inserted into the housing 1 from the discharge opening.

The working process is as follows: open the top cover 2 and place the polypropylene fiber into the dispersing chamber 111. Then the top cover 2 is closed, and the bulk polymerized polypropylene fiber bundles are decomposed into a loose mass polymerized form through the rotation of the disperser; the partition plate 3 is pulled out to allow the fibers to fall into the flow restriction cavity 112. By changing the rotation speed of the flow limiter, the speed and quantity of fibers entering the dispersion chamber 113 are controlled; through the rotation of the disperser, the friction and contact between the pressure plate 62 and the separation net 5 separates the clustered fibers that evenly fall on the separation net 5 (imitating the artificial fiber dispersion process), and the completely separated fibers fall into the stirring chamber 121 from the mesh. When the dispersed fibers fall into the mixing chamber 121, the soil or cement in the mixing chamber 121 is uniformly and fully mixed with the fibers through the rotation of the double-helix mixer 8. Finally, the baffle 7 is pulled out, and the soil or cement mixed with polypropylene fiber falls into the drawer 9, and can be directly used for construction after being pulled out.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection.

Claims (9)

1. The utility model provides a polypropylene fiber adds muscle machine, includes casing (1) and top cap (2), its characterized in that: a scattering cavity (111), a scattering cavity (113) and a stirring cavity (121) which are communicated with each other are sequentially formed in the shell (1); the shell (1) is provided with a scattering device in the scattering cavity (111), the scattering device comprises a scattering net (21), and the scattering net (21) is driven to rotate along a vertical axis; a separation net (5) is fixedly connected to the bottom of the dispersion cavity (113), and the separation net (5) separates the dispersion cavity (113) from the stirring cavity (121); the shell (1) is provided with a disperser in the dispersing cavity (113), and the disperser comprises a dispersing frame (6); the dispersing frame (6) comprises a main shaft (61) and pressing plates (62), the vertically arranged main shaft (61) is driven to rotate, a plurality of pressing plates (62) are uniformly and fixedly connected to the lower end of the main shaft (61) along the radial direction, and the bottom surfaces of the pressing plates (62) are abutted to the upper surface of the separation net (5); pressing the polypropylene fibers into a separation net (5) through rolling of a pressing plate (62), and entering a stirring cavity (121);

a double-screw stirrer (8) is arranged in the stirring cavity (121), a stirring driver of the double-screw stirrer (8) is arranged on the outer wall of the shell (1), and a stirring shaft of the double-screw stirrer is horizontally arranged and rotationally connected on the inner wall of the shell (1);

while the dispersed fibers fall into the stirring cavity (121), the soil or cement in the stirring cavity (121) is uniformly and fully stirred and mixed with the fibers through the rotation of the double-screw stirrer (8).

2. A polypropylene fiber stiffener according to claim 1, wherein: the shell (1) is provided with a current-limiting cavity (112) between the scattering cavity (111) and the dispersing cavity (113), the shell (1) is provided with a current limiter in the current-limiting cavity (112), and the current limiter controls the speed and the quantity of fibers entering the dispersing cavity (113).

3. A polypropylene fiber stiffening machine as claimed in claim 2, wherein: a partition plate (3) is arranged between the scattering cavity (111) and the current limiting cavity (112), a socket is formed in the outer wall of the scattering cavity (111) on the shell (1), symmetrically arranged slots are formed in the inner wall of the scattering cavity (111), and the slots and the sockets are located on the same plane and are mutually communicated; the partition plate (3) is inserted into the slot from the insertion opening, so that the scattering cavity (111) becomes a closed space.

4. A polypropylene fiber stiffening machine as claimed in claim 3, wherein: the restrictor comprises a restrictor roller (4); the flow limiting roller (4) comprises a roller body (41), wherein the roller body (41) is horizontally arranged and driven to rotate in the shell (1), separating plates (42) arranged along a bus are uniformly arranged on the cylindrical surface of the roller body (41), and temporary storage cavities are formed between adjacent separating plates (42); and the roller body (41) is arranged right below the feed inlet of the flow limiting cavity (112).

5. A polypropylene fiber stiffener according to claim 1, wherein: the shell (1) comprises an upper shell (11) and a lower shell (12), and the upper shell (11) and the lower shell (12) are detachably and fixedly connected; the scattering cavity (111) and the dispersing cavity (113) are both positioned in the upper shell (11), and the stirring cavity (121) is positioned in the lower shell (12).

6. A polypropylene fiber stiffener according to claim 1, wherein: the shell is formed with ejection of compact chamber (122) in stirring chamber downside, is provided with baffle (7) between stirring chamber (121) and ejection of compact chamber (122).

7. A polypropylene fiber reinforced machine as defined in claim 6, wherein: the baffle (7) comprises an end plate (71) and an inserting plate (72), the outer wall of the shell (1) is provided with an opening, the inner wall of the stirring cavity (121) is provided with symmetrically arranged sliding grooves, and the sliding grooves and the opening are positioned on the same plane and are mutually communicated; the inserting plate (72) is inserted into the stirring cavity (121) from the opening, and flanges extending horizontally are formed on two sides of the inserting plate (72); the two turnups are respectively inserted into the sliding grooves to separate the stirring cavity (121) from the discharging cavity (122).

8. A polypropylene fiber reinforced machine as defined in claim 7, wherein: a rubber layer is attached to the inner wall of the opening.

9. A polypropylene fiber reinforced machine as defined in claim 7, wherein: the outer wall of the discharging cavity (122) is provided with a discharging hole, and the shell (1) is inserted with a drawer (9) from the discharging hole.