Banburying, mixing and plasticizing device

Abstract

The utility model discloses an internal mixing and plasticizing device which comprises an internal mixing box, two groups of spiral blades are arranged in an internal mixing cavity of the internal mixing box through a transmission shaft, cleaning access holes are formed in the upper end and the lower end of the internal mixing cavity respectively, an upper box cover and a lower box cover are clamped outside the two cleaning access holes respectively, and a stable support is arranged outside the internal mixing box. Two lifting sliding blocks are oppositely arranged on the inner wall of the stable support in a threaded mode through lead screws, and one ends of the two lifting sliding blocks are fixedly connected with the outer wall of the upper box cover and the outer wall of the lower box cover through first connecting rods. The stable support is provided with an upper box cover and a lower box cover which are clamped outside the cleaning access hole through a lead screw and lifting sliding blocks, so that the lead screw drives the two lifting sliding blocks to be adjusted in a lifting mode, and therefore the upper box cover and the lower box cover can move oppositely to open the upper end opening and the lower end opening of the cleaning access hole; and therefore, the interior of the internal mixing box can be conveniently overhauled or cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to a closed mill technical field, concretely is a kind of closed mill mixed plasticizing device. BACKGROUND

[0002] The main component of the closed mill is a closed chamber, also known as a plasticating chamber. The upper part is a feeding device, and the lower part is a discharging device. There is an upper and lower jack on each end. When the upper and lower jacks are closed, a closed plasticating chamber is formed. Inside the plasticating chamber is a pair of counter-rotating rotors. The rotor cross-section is pear-shaped, and the rotor is Z-shaped along the longitudinal direction. The rotor speed is slightly different, and there is a constant speed ratio between the rotors and the inner wall of the plasticating chamber. The outer wall of the plasticating chamber has a cooling (heating) jacket to heat and cool the material.

[0003] In the prior art, the application number is 202421278801.X, a kind of biological base thermoplastic vulcanized rubber closed mill mixed plasticizing device, by display screen control second air cylinder start, make sleeve move left and separate right part rotating column, make right part discharge bin stop discharging, left part discharge bin continues to discharge, reach the effect that can automatically quantitative proportioning discharging of raw materials, ensure raw material proportioning accuracy and improve biological base thermoplastic vulcanized rubber mixing efficiency, but, it is inconvenient to open and clean or overhaul the upper and lower ends of the closed mill, and the opening and closing control is inconvenient. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of closed mill mixed plasticizing device, to solve the problem that it is inconvenient to open and clean or overhaul the upper and lower ends of the closed mill in the prior art, and the opening and closing control is inconvenient.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of closed mill mixed plasticizing device, including closed mill mixing tank, two groups of spiral vanes are provided in the closed cavity of the closed mill mixing tank by transmission shaft, the upper and lower ends of the closed cavity are each provided with a cleaning and overhauling opening, and the outer parts of the two cleaning and overhauling openings are respectively clamped with an upper tank cover and a lower tank cover, a stable support is provided on the outer wall of the closed mill mixing tank, two lifting blocks are provided on the inner wall of the stable support by screw rod in opposite threads, and the outer walls of the upper tank cover and the lower tank cover are fixedly connected with the first connecting rod at one end of the two lifting blocks, and the inner walls of the closed mill mixing tank, the upper tank cover and the lower tank cover are each provided with an electric heating rod.

[0006] Further, the upper end of the upper tank cover is provided with an inlet on the upper side, and the closed mill mixing tank is provided with an outlet at one end.

[0007] Further, the outer sides of the screw rod at both ends are provided with two groups of opposite external threads, and the two lifting blocks are threadedly connected with the two groups of external threads.

[0008] Furthermore, the inner wall of the stabilizing bracket is provided with a limiting groove, and a guide slider is slidably provided in the limiting groove through a guide rod. The outer walls of the upper and lower box covers are also fixedly connected to one side of the guide slider through a second connecting rod.

[0009] Furthermore, an electric motor is connected to one end of the drive shaft via a belt flywheel assembly, and the electric motor is fixedly mounted on the outer wall of one end of the mixing chamber via a base.

[0010] Furthermore, the inner wall of the cleaning and maintenance port is provided with a limiting rib, and one side of the upper and lower box covers is provided with a sealing groove that engages with the limiting rib. One side of the upper and lower box covers is also provided with a sealing gasket.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model has cleaning and maintenance ports at both the upper and lower ends of the mixing chamber. The stabilizing bracket has an upper and lower cover that are engaged with the outside of the cleaning and maintenance ports via a screw and a lifting slider. The screw drives the two lifting sliders to move up and down, thereby allowing the upper and lower covers to move towards each other to open the upper and lower ports of the cleaning and maintenance ports. This facilitates the inspection or cleaning of the inside of the mixing chamber. Moreover, the lifting transmission is highly stable and the adjustment is convenient and quick.

[0013] 2. This utility model features a limiting rib on the inner wall of the cleaning and maintenance port, and a sealing groove on one side of the upper and lower cover that engages with the limiting rib. A sealing gasket is also provided on one side of the upper and lower cover, which improves the stability and sealing of the upper and lower cover when engaged with the outside of the cleaning and maintenance port.

[0014] 3. This utility model has electric heating rods installed on the inner walls of the mixing chamber, the upper cover and the lower cover. Multiple electric heating rods are installed at the same angle, and one end of each electric heating rod is electrically connected to a temperature controller. This is used to uniformly heat the inside of the mixing chamber, which helps to improve the efficiency of mixing and plasticizing. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the opening structure of the box lid of this utility model;

[0018] Figure 3 This is a cross-sectional view of the mixing box structure of this utility model.

[0019] Fig. 1, mixing chamber; 2, stable support; 3, screw; 4, first connecting rod; 5, lifting slider; 6, upper chamber cover; 7, lower chamber cover; 8, cleaning access; 9, feed inlet; 10, discharge outlet; 11, motor; 12, transmission shaft; 13, belt flywheel set; 14, guide slider; 15, guide rod; 16, electric heating rod; 17, limiting convex rib; 18, sealing groove; 19, spiral blade; 20, sealing gasket; 21, mixing chamber. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 In the embodiments of the present application, a mixing and plasticizing device includes a mixing chamber 1 and a PLC control cabinet for overall control. Two groups of spiral blades 19 are arranged in the mixing chamber 21 of the mixing chamber 1 through a transmission shaft 12. A motor 11 is drivingly connected to one end of the transmission shaft 12 through a belt flywheel set 13. The motor 11 is fixedly arranged on the outer wall of one end of the mixing chamber 1 through a base, so that the two groups of spiral blades 19 are driven to rotate by the motor 11 and the belt flywheel set 13 to perform mixing treatment on the material. Cleaning accesses 8 are arranged at the upper and lower ends of the mixing chamber 21, which are used for cleaning and maintenance treatment of the interior of the mixing chamber 1. Upper chamber covers 6 and lower chamber covers 7 are respectively clamped outside the two cleaning accesses 8. A feed inlet 9 is arranged on the upper side of one end of the upper chamber cover 6. A discharge outlet 10 is arranged at one end of the mixing chamber 1. Stable supports 2 are arranged on the outer wall of the mixing chamber 1. Two lifting sliders 5 are threadedly arranged in the inner wall of the stable support 2 through a screw 3. Two groups of external threads are arranged on the outer sides of the screw rod ends of the screw 3. The two lifting sliders 5 are respectively threadedly connected with the two groups of external threads. The outer walls of the two lifting sliders 5 are fixedly connected with the upper chamber cover 6 and the lower chamber cover 7 through first connecting rods 4 at one end, so that the two lifting sliders 5 are driven to adjust the lifting by the screw 3, thereby enabling the upper chamber cover 6 and the lower chamber cover 7 to move towards each other to open the upper and lower ports of the cleaning access 8, and facilitating the maintenance or cleaning treatment of the interior of the mixing chamber 1.

[0022] As Figure 2 and Figure 3As shown, in order to uniformly heat the interior of the mixing chamber 21, electric heating rods 16 are arranged on the inner walls of the mixing chamber 1, the upper chamber cover 6 and the lower chamber cover 7, and the electric heating rods 16 are arranged at different angles, and one end of the electric heating rods 16 is electrically connected with a temperature controller, so as to uniformly heat the interior of the mixing chamber 21, which is beneficial to improve the efficiency of plasticizing.

[0023] As shown in Figure 1 and Figure 2 As shown, in order to improve the stability of the lifting adjustment of the upper chamber cover 6 and the lower chamber cover 7, a limiting sliding groove is arranged on the inner wall of the stable support 2, a guide sliding block 14 is slidably arranged in the limiting sliding groove through a guide rod 15, and the outer wall of the upper chamber cover 6 and the lower chamber cover 7 is fixedly connected with one side of the guide sliding block 14 through a second connecting rod, so as to guide the sliding of the upper chamber cover 6 and the lower chamber cover 7 during the lifting adjustment, which is beneficial to improve the stability of the lifting adjustment of the upper chamber cover 6 and the lower chamber cover 7.

[0024] As shown in Figure 1 and Figure 3 As shown, in order to improve the stability of the upper chamber cover 6 and the lower chamber cover 7 clamped outside the cleaning access 8, a limiting convex rib 17 is arranged on the inner wall of the cleaning access 8, and a sealing groove 18 matched with the limiting convex rib 17 is arranged on one side of the upper chamber cover 6 and the lower chamber cover 7, and a sealing gasket 20 is arranged on one side of the upper chamber cover 6 and the lower chamber cover 7, so that the sealing groove 18 on one side of the upper chamber cover 6 and the lower chamber cover 7 is clamped outside the limiting convex rib 17 on the outer wall of the cleaning access 8, which is beneficial to improve the stability and sealing performance of the upper chamber cover 6 and the lower chamber cover 7 clamped outside the cleaning access 8.

[0025] The working principle and use process of the utility model are as follows: when in use, the cleaning access 8 is arranged on the upper and lower ends of the mixing chamber 21 of the mixing chamber 1, and the stable support 2 is provided with the upper chamber cover 6 and the lower chamber cover 7 clamped outside the cleaning access 8 through the screw rod 3 and the lifting sliding block 5, so that the two lifting sliding blocks 5 are driven to lift and adjust through the screw rod 3, so that the upper chamber cover 6 and the lower chamber cover 7 can move towards each other to open the upper and lower ports of the cleaning access 8, and then the interior of the mixing chamber 1 can be conveniently maintained or cleaned, and the lifting transmission stability is high and the adjustment is convenient and fast.

[0026] Finally, it should be pointed out that: the above only for preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement of part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A Banbury mixing plasticizing apparatus comprising a Banbury mixing bowl (1), characterized by: The mixing chamber (21) of the internal mixer mixing box (1) is provided with two groups of spiral blades (19) through a transmission shaft (12), the mixing chamber (21) is provided with cleaning access ports (8) at the upper and lower ends, and the outer parts of the two cleaning access ports (8) are respectively clamped with an upper box cover (6) and a lower box cover (7), the outer wall of the internal mixer mixing box (1) is provided with a stable support (2), the inner wall of the stable support (2) is provided with two lifting sliding blocks (5) through a screw rod (3) in opposite threads, and one end of the two lifting sliding blocks (5) is fixedly connected with the outer walls of the upper box cover (6) and the lower box cover (7) through a first connecting rod (4), and the inner walls of the internal mixer mixing box (1), the upper box cover (6) and the lower box cover (7) are provided with electric heating rods (16).

2. A plasticating device for internal mixing according to claim 1, wherein: The upper end of one end of the upper box cover (6) is provided with a feeding port (9), and one end of the internal mixer mixing box (1) is provided with a discharging port (10).

3. A plasticating device for internal mixing as defined in claim 1, wherein: The outer sides of the screw rods of the screw rod (3) are provided with two groups of opposite external threads, and the two lifting sliding blocks (5) are respectively threadedly connected with the two groups of external threads.

4. A plasticating device for internal mixing as defined in claim 1, wherein: The inner wall of the stable support (2) is provided with a limiting sliding groove, and a guide sliding block (14) is slidably arranged in the limiting sliding groove through a guide rod (15), and the outer walls of the upper box cover (6) and the lower box cover (7) are further fixedly connected with one side of the guide sliding block (14) through a second connecting rod.

5. A plasticating device for internal mixing as defined in claim 1, wherein: One end of the transmission shaft (12) is drivingly connected with a motor (11) through a belt flywheel set (13), and the motor (11) is fixedly arranged on the outer wall of one end of the internal mixer mixing box (1) through a machine base.

6. A Banbury mixing plasticizing apparatus according to claim 1, wherein: The inner wall of the cleaning access port (8) is provided with a limiting convex rib (17), one side of the upper box cover (6) and the lower box cover (7) is provided with a sealing groove (18) matched with the limiting convex rib (17), and one side of the upper box cover (6) and the lower box cover (7) is further provided with a sealing gasket (20).

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