Raw material extruding and mixing device for PP (polypropylene) hollow plate

Abstract

The utility model discloses a raw material extruding and mixing device for a pp hollow plate, and aims to solve the problems that in the prior art, raw materials need to be weighed in advance, then the weighed raw materials are put into a mixing device, the raw materials need to be manually carried for multiple times, the operation is troublesome, and the mixing efficiency is influenced. According to the technical scheme, the raw material extruding and mixing device for the PP hollow plate is characterized by comprising a mounting frame, two rows of discharging hoppers are symmetrically arranged on the mounting frame, guide plates are arranged below the two rows of discharging hoppers, a mixing box is arranged below the guide plates, and a mixing mechanism is arranged in the mixing box; two parallel sliding rails are horizontally fixed to the mounting frame. According to the raw material extruding and mixing device for the PP hollow plate, the material blocking plate is controlled to slide through the arranged driving mechanism, then the discharging opening of the material blocking plate and the discharging opening of the discharging hopper are controlled to be aligned or staggered, opening and closing of the discharging hopper are achieved, quantitative discharging is carried out, the labor force of workers is relieved, and the production efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PP hollow plate production equipment, and more specifically, it relates to a raw material extrusion and mixing device for PP hollow plates. Background Art

[0002] PP hollow board refers to the polypropylene raw material mixed with polyethylene raw material through the hollow board production line extrusion molding, the cross section of the board is a lattice shape, so it is also called a lattice hollow board. The raw materials for the production of PP hollow board are mainly PP granules, various functional additives and processing aids, which are mixed evenly and then hot-melt extruded. Therefore, the PP hollow board needs to use a mixing device for uniform mixing during the production process.

[0003] However, in the prior art, each raw material needs to be weighed in advance, and then the weighed raw materials are put into the mixing device, which requires manual handling of the raw materials for multiple times, which is troublesome and affects the efficiency of mixing. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a raw material extrusion and mixing device for PP hollow plates, which controls the sliding of a blocking plate by a driving mechanism, thereby controlling the alignment or stagger of the feed port of the blocking plate and the discharge port of a lower hopper, thereby realizing the opening and closing of the lower hopper for quantitative discharge, reducing the labor of workers and improving production efficiency.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a raw material extrusion and mixing device for PP hollow plates, comprising a mounting frame, on which two rows of lower hoppers are symmetrically arranged, and guide plates are arranged below the two rows of lower hoppers, and a mixing box is arranged below the guide plate, and a mixing mechanism is arranged in the mixing box; two parallel slide rails are horizontally fixed on the mounting frame, and a blocking plate is slidably connected to the two slide rails, and a material discharge port is opened on the blocking plate, and a driving mechanism for driving the blocking plate to slide is arranged between the two rows of lower hoppers, so that the material discharge port is aligned or staggered with the discharge port of the lower hopper, thereby realizing the opening and closing of the lower hopper.

[0006] The utility model is further configured as follows: the driving mechanism includes a cylinder arranged on a mounting frame, a driving block is arranged on the telescopic end of the cylinder, the driving block is in a trapezoidal structure, a fixed shaft is symmetrically arranged on the mounting frame, a driving rod is rotatably connected to the fixed shaft, the upper end of the driving rod is in conflict with the side wall of the driving block, a connecting rod is arranged at one end of the blocking plate close to the driving rod, the connecting rod is T-shaped, the lower end of the driving rod is in conflict with the connecting rod, a vertical plate is arranged at one end of the blocking plate away from the connecting rod, and an elastic member is arranged between the vertical plate and the outer wall of the lower hopper.

[0007] The utility model is further configured as follows: the upper end of the driving rod is rotatably connected with a roller, and the roller is in contact with the side wall of the driving block.

[0008] The utility model is further configured as follows: two driving rods are arranged at the corresponding connecting rod, and the two driving rods are respectively and parallelly located at the front and rear sides of the connecting rod.

[0009] The utility model is further configured as follows: the two guide plates are symmetrically and tiltedly arranged, and a plurality of leakage holes are evenly opened on the portion of the guide plate located above the mixing box.

[0010] The utility model is further configured as follows: a limiting block for resisting the blocking plate is arranged on the slide rail.

[0011] The utility model is further configured as follows: the mixing mechanism includes a stirring shaft rotatably connected in a mixing box, a motor is arranged on the outer wall of the mixing box, the output shaft of the motor is transmission-connected to one end of the stirring shaft, and a plurality of stirring rods are evenly arranged on the stirring shaft.

[0012] In summary, the utility model has the following beneficial effects:

[0013] The blocking plate is controlled to slide by a driving mechanism, and the discharge port of the blocking plate is controlled to be aligned or staggered with the discharge port of the lower hopper, so that the lower hopper is opened and closed for quantitative discharge, which reduces the labor of workers and can improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the mixing device of the utility model;

[0015] Figure 2 It is a schematic diagram of a partial structure of the utility model from a top view;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the driving rod, the fixed shaft and the connecting rod of the utility model.

[0017] In the figure: 1. mounting frame; 2. discharge hopper; 3. guide plate; 4. mixing box; 5. slide rail; 6. blocking plate; 7. discharge port; 8. driving block; 9. fixed shaft; 10. driving rod; 11. connecting rod; 12. vertical plate; 13. elastic member; 14. roller; 15. leakage hole; 16. limit block; 17. stirring shaft; 18. stirring rod. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] The utility model is described in detail below in conjunction with the accompanying drawings.

[0022] Reference Figure 1-Figure 3 , a raw material extrusion and mixing device for PP hollow board, including a mounting frame 1, on which two rows of lower hoppers 2 are symmetrically fixed, the number of lower hoppers 2 in each row is not limited here, and is set according to the actual production situation of the enterprise. If two kinds of raw materials are required, different raw materials can be added to the two lower hoppers 2. If multiple kinds of raw materials are required, different raw materials can be added to the lower hoppers 2 in the same row. A guide plate 3 is fixedly provided below the two rows of lower hoppers 2, and a mixing box 4 is fixedly provided below the guide plate 3, and a mixing mechanism is provided in the mixing box 4;

[0023] Two parallel slide rails 5 are horizontally fixed on the mounting frame 1, and a blocking plate 6 is slidably connected to the two slide rails 5. A discharge port 7 is provided on the blocking plate 6. Since the amount of each raw material required is different and the opening time of each discharge hopper 2 is the same, the discharge port 7 can be adjusted by the size of the opening. A driving mechanism for driving the blocking plate 6 to slide is provided between the discharge hoppers 2, so that the discharge port 7 is aligned or staggered with the discharge port of the discharge hopper 2, thereby realizing the opening and closing of the discharge hopper 2.

[0024] The driving mechanism includes a cylinder fixedly mounted on a mounting frame 1, a driving block 8 is fixedly provided on the telescopic end of the cylinder, the driving block 8 is in a trapezoidal structure, a fixed shaft 9 is symmetrically fixed on the mounting frame 1, a driving rod 10 is rotatably connected to the fixed shaft 9, the upper end of the driving rod 10 is in conflict with the side wall of the driving block 8, a connecting rod 11 is fixedly provided at one end of the blocking plate 6 close to the driving rod 10, the connecting rod 11 is T-shaped, the lower end of the driving rod 10 is in conflict with the connecting rod 11, a vertical plate 12 is fixedly provided at one end of the blocking plate 6 away from the connecting rod 11, an elastic member 13 is provided between the vertical plate 12 and the outer wall of the lower hopper 2, and the elastic member 13 is specifically a reset spring.

[0025] The upper end of the driving rod 10 is rotatably connected to a roller 14, and the roller 14 contacts the side wall of the driving block 8. The driving rod 10 is in rolling contact with the driving block 8 through the roller 14, which greatly reduces the friction between the two.

[0026] Two driving rods 10 are provided at the corresponding connecting rod 11 , and the two driving rods 10 are respectively and parallelly located at the front and rear sides of the connecting rod 11 . The two driving rods 10 can enhance the driving effect of the driving rod 10 on the connecting rod 11 .

[0027] The two guide plates 3 are symmetrically inclined, and a plurality of leakage holes 15 are evenly opened on the portion of the guide plate 3 located above the mixing box 4. The plurality of leakage holes 15 allow the raw materials to leak down on the flow path of the guide plate 3, which is beneficial to the dispersion of the raw materials in the mixing box 4 and to improve the subsequent mixing efficiency.

[0028] A limit block 16 for resisting the blocking plate 6 is fixedly provided on the slide rail 5. The limit block 16 can limit the moving range of the blocking plate 6 so that the discharge port 7 and the discharge port of the discharge hopper 2 are more accurately aligned.

[0029] The mixing mechanism includes a stirring shaft 17 rotatably connected in the mixing box 4 . A motor is fixedly mounted on the outer wall of the mixing box 4 . The output shaft of the motor is drivingly connected to one end of the stirring shaft 17 . A plurality of stirring rods 18 are evenly fixed on the stirring shaft 17 .

[0030] Working principle: When in use, each raw material is loaded into the lower hopper 2 respectively. First, the driving mechanism drives the two rows of lowering plates to slide along the slide rail 5 in the direction close to each other, so that the lowering port 7 on the lowering plate is aligned with the discharge port of the lower hopper 2. At this time, the lower hopper 2 is in an open state, and the raw materials fall onto the guide plate 3 and are introduced into the mixing box 4 along the guide plate 3. The mixing mechanism fully mixes the raw materials.

[0031] The specific implementation of the driving mechanism is as follows: the cylinder is started, and the cylinder drives the driving block 8 to move downward. The width between the two side surfaces of the driving block 8 that respectively contact the upper end of the driving rod 10 becomes wider and wider, and the driving rod 10 is pushed to rotate around the rotating connection with the mounting frame 1, so that the lower end of the driving rod 10 applies a horizontal movement force to the connecting rod 11, and the blocking plate 6 is driven by the connecting rod 11 to overcome the resistance of the reset spring and slide, so that the discharge port 7 is aligned with the discharge port of the lower hopper 2 to realize discharge;

[0032] When the cylinder retracts, the driving block 8 loses the rotational driving force on the driving rod 10, and the driving rod 10 loses the force on the connecting rod 11, so that the blocking plate 6 can slide back to the initial position under the elastic recovery action of the reset spring, so that the discharge port 7 and the discharge port of the lower hopper 2 are misaligned, thereby blocking the lower hopper 2. The blocking plate 6 slides and pushes the driving rod 10 to rotate in the opposite direction at the same time, so that the upper end of the driving rod 10 is always in conflict with the side wall of the driving block 8, so that the cylinder can push the driving rod 10 to rotate in time when it extends again to push the driving block 8 to move.

[0033] The utility model controls the blocking plate 6 to slide by means of a driving mechanism, thereby controlling the discharge port 7 of the blocking plate 6 to align or stagger with the discharge port of the lower hopper 2, thereby opening and closing the lower hopper 2 to discharge materials quantitatively, reducing the labor of workers and improving production efficiency.

[0034] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A raw material extrusion and mixing device for PP hollow board, comprising a mounting frame (1), characterized in that: Two rows of lower hoppers (2) are symmetrically arranged on the mounting frame (1), and guide plates (3) are arranged below the two rows of lower hoppers (2). A mixing box (4) is arranged below the guide plate (3), and a mixing mechanism is arranged inside the mixing box (4); two parallel slide rails (5) are horizontally fixed on the mounting frame (1), and a blocking plate (6) is slidably connected to the two slide rails (5), and a lowering port (7) is provided on the blocking plate (6). A driving mechanism for driving the blocking plate (6) to slide is arranged between the two rows of lower hoppers (2), so that the lowering port (7) is aligned with or staggered with the discharge port of the lower hopper (2), thereby realizing the opening and closing of the lower hopper (2).

2. A raw material extrusion and mixing device for PP hollow board according to claim 1, characterized in that: The driving mechanism comprises a cylinder arranged on a mounting frame (1), a driving block (8) being arranged on the telescopic end of the cylinder, the driving block (8) being of a trapezoidal structure, a fixed shaft (9) being symmetrically arranged on the mounting frame (1), a driving rod (10) being rotatably connected to the fixed shaft (9), the upper end of the driving rod (10) being in contact with the side wall of the driving block (8), a connecting rod (11) being arranged at one end of the blocking plate (6) close to the driving rod (10), the connecting rod (11) being arranged in a T-shape, the lower end of the driving rod (10) being in contact with the connecting rod (11), a vertical plate (12) being arranged at one end of the blocking plate (6) away from the connecting rod (11), an elastic member (13) being arranged between the vertical plate (12) and the outer wall of the lower hopper (2).

3. A raw material extrusion and mixing device for PP hollow board according to claim 2, characterized in that: The upper end of the driving rod (10) is rotatably connected to a roller (14), and the roller (14) is in contact with the side wall of the driving block (8).

4. A raw material extrusion and mixing device for PP hollow board according to claim 2, characterized in that: Two driving rods (10) are provided at the corresponding connecting rod (11), and the two driving rods (10) are respectively and parallelly located at the front and rear sides of the connecting rod (11).

5. The raw material extrusion and mixing device for PP hollow board according to claim 1, characterized in that: The two guide plates (3) are symmetrically arranged and tilted, and a plurality of leakage holes (15) are evenly provided on the portion of the guide plate (3) located above the mixing box (4).

6. A raw material extrusion and mixing device for PP hollow board according to claim 1, characterized in that: The slide rail (5) is provided with a limit block (16) for contacting the material blocking plate (6).

7. The raw material extrusion and mixing device for PP hollow board according to claim 1, characterized in that: The mixing mechanism comprises a stirring shaft (17) rotatably connected to a mixing box (4); a motor is arranged on the outer wall of the mixing box (4); the output shaft of the motor is drivingly connected to one end of the stirring shaft (17); and a plurality of stirring rods (18) are evenly arranged on the stirring shaft (17).

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