Pressurized internal mixer

Abstract

The utility model provides a pressurized internal mixer which comprises an internal mixer body, a first connecting pipe, a second connecting pipe, a second electromagnetic valve, a liquid level sensor and a second electromagnetic valve, a liquid storage box body is fixed on the upper end face of the internal mixer body, a liquid injection opening is formed in the upper end face of the liquid storage box body, and a measuring box body is fixed on the left end face of the internal mixer body. A second connecting pipe is arranged between the measuring box body and the liquid storage box body, a second electromagnetic valve is arranged on the outer side of the annular face of the second connecting pipe, a liquid level sensor is installed in the measuring box body, a first connecting pipe is arranged between the measuring box body and the internal mixer body, and a first electromagnetic valve is arranged on the outer side of the annular face of the first connecting pipe. According to the design, raw rubber and a compounding agent are poured into the internal mixer through automatic feeding, the feeding speed is high, the efficiency is high, the use of the compounding agent can be metered, the mixing proportion of the raw rubber and the compounding agent is controlled, and the practicability is good.

Description

Technical Field

[0001] The utility model relates to a pressurized internal mixer, belonging to the technical field of internal mixers. Background Art

[0002] Internal mixer is called "mixing machine" for short, and its full name is "closed rubber mixer". It has a series of advantages over open mixer in the mixing process, such as short mixing time, high production efficiency, easy operation, better control of dust flying, reduced loss of compounding agents, improved working conditions, reduced labor intensity, etc.

[0003] Some existing pressurized internal mixers are the same as traditional pressurized internal mixers when placed in an extruder. They all use manual feeding to pour raw rubber and compounding agents from the opening of the extruder. The manual feeding method is slow and inefficient, and manual feeding cannot measure the use of the compounding agent, making it impossible to control the mixing ratio of the raw rubber and the compounding agent, and the practicality is poor. Now there is an urgent need for a pressurized internal mixer to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a pressurized internal mixer to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure. The design adopts automatic feeding to pour raw rubber and compounding agents into the internal mixer. The feeding speed is fast and the efficiency is high. The use of the compounding agent can be measured, so that the mixing ratio of the raw rubber and the compounding agent can be controlled, and the utility model has good practicality.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a pressurized internal mixer, comprising an internal mixer body, a first connecting pipe, a second connecting pipe, a second solenoid valve, a liquid level sensor and a second solenoid valve, a support plate is installed on the right end surface of the internal mixer body, a conveyor motor is arranged on the front end surface of the support plate, a conveyor belt is installed on the output end of the conveyor belt motor, and mounting vertical plates are fixed on both the front and rear end surfaces of the support plate, and a lower hopper is fixed between the mounting vertical plates;

[0006] A liquid storage tank is fixed on the upper end face of the internal mixer body, a liquid injection port is provided on the upper end face of the liquid storage tank, a measuring tank is fixed on the left end face of the internal mixer body, a second connecting pipe is provided between the measuring tank and the liquid storage tank, a second solenoid valve is provided on the outer side of the annular surface of the second connecting pipe, a liquid level sensor is installed inside the measuring tank, a first connecting pipe is provided between the measuring tank and the internal mixer body, a first solenoid valve is provided on the outer side of the annular surface of the first connecting pipe, and a viewing window is provided on the front end face of the measuring tank.

[0007] Furthermore, the support plates are provided in two groups, the two groups of support plates are equal in size and are symmetrically fixed inside the internal mixer body, and the conveyor motor, conveyor belt, mounting vertical plate and lower hopper constitute a first automatic feeding assembly.

[0008] Furthermore, a sealing plug is provided on the upper end surface of the liquid injection port, the sealing plug matches the specification of the liquid injection port, and the two can be connected in a sealing manner.

[0009] Furthermore, sealing gaskets are provided between the second connecting pipe and the liquid storage box and the measuring box, and a sealing gasket is provided between the second solenoid valve and the second connecting pipe.

[0010] Furthermore, sealing gaskets are provided between the first connecting pipe and the measuring box and the internal mixer body, and a sealing gasket is provided between the first solenoid valve and the first connecting pipe.

[0011] Furthermore, the first solenoid valve and the second solenoid valve are electrically connected to an external controller, the liquid level sensor is signal-connected to the external controller, and the liquid storage tank, the first connecting pipe, the first solenoid valve, the second connecting pipe, the second solenoid valve and the liquid level sensor constitute a second feeding assembly.

[0012] The beneficial effects of the utility model: the utility model is a pressurized internal mixer, because the utility model adds a first connecting pipe, a second connecting pipe, a second solenoid valve, a liquid level sensor and a second solenoid valve, the design adopts automatic feeding to pour the raw rubber and the compounding agent into the internal mixer, the feeding speed is fast, the efficiency is high, and the use of the compounding agent can be measured, so that the mixing ratio of the raw rubber and the compounding agent is controlled, the practicality is good, and the original pressurized internal mixer is the same as the traditional pressurized internal mixer when placed in the extruder, both of which use manual pouring of the raw rubber and the compounding agent from the opening of the extruder, the manual feeding method is slow, the efficiency is low, and the manual feeding cannot measure the use of the compounding agent, so that the mixing ratio of the raw rubber and the compounding agent cannot be controlled, and the practicality is poor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0014] Figure 1 This is a structural diagram of a pressurized internal mixer of the utility model;

[0015] Figure 2 This is a structural cross-sectional view of a pressurized internal mixer of the utility model;

[0016] Figure 3 It is a partial structural diagram of a pressurized internal mixer of the utility model;

[0017] In the figure: 1-internal mixer body, 2-conveyor motor, 3-conveyor, 4-support plate, 5-mounting vertical plate, 6-lower hopper, 7-liquid storage box, 8-liquid injection port, 9-first connecting pipe, 10-second connecting pipe, 11-second solenoid valve, 12-measuring box, 13-viewing window, 14-liquid level sensor, 15-first solenoid valve. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1-Figure 3 The utility model provides a technical solution: a pressurized internal mixer, comprising an internal mixer body 1, a first connecting pipe 9, a second connecting pipe 10, a second solenoid valve 11, a liquid level sensor 14 and a second solenoid valve 11, a support plate 4 is installed on the right end face of the internal mixer body 1, a conveyor motor 2 is arranged on the front end face of the support plate 4, a conveyor belt 3 is installed on the output end of the conveyor belt motor 2, and mounting vertical plates 5 are fixed on both front and rear end faces of the support plate 4, and a lower hopper 6 is fixed between the mounting vertical plates 5;

[0020] A liquid storage tank 7 is fixed on the upper end face of the internal mixer body 1, and a liquid injection port 8 is opened on the upper end face of the liquid storage tank 7. A measuring tank 12 is fixed on the left end face of the internal mixer body 1. A second connecting pipe 10 is arranged between the measuring tank 12 and the liquid storage tank 7, and a second solenoid valve 11 is arranged on the outer side of the annular surface of the second connecting pipe 10. A liquid level sensor 14 is installed inside the measuring tank 12. A first connecting pipe 9 is arranged between the measuring tank 12 and the internal mixer body 1, and a first solenoid valve 15 is arranged on the outer side of the annular surface of the first connecting pipe 9. A viewing window 13 is arranged on the front end face of the measuring tank 12. The design adopts automatic feeding to pour the raw rubber and compounding agent into the internal mixer. The feeding speed is fast and the efficiency is high. The use of the compounding agent can be measured, so that the mixing ratio of the raw rubber and the compounding agent can be controlled, and the practicability is good.

[0021] As the first embodiment of the utility model: two groups of support plates 4 are provided, the two groups of support plates 4 are equal in size and symmetrically fixed inside the internal mixer body 1, the conveyor motor 2, the conveyor belt 3, the mounting vertical plate 5 and the lower hopper 6 constitute the first automatic feeding assembly, and the design drives the conveyor motor 2 to rotate the conveyor belt 3 so that the raw rubber dropped from the lower hopper 6 can be conveyed to the inside of the internal mixer body 1, thereby completing the automatic raw rubber feeding;

[0022] A sealing plug is provided on the upper end surface of the liquid injection port 8, and the specifications of the sealing plug match the liquid injection port 8, and the two can be connected in a sealing manner. This design is convenient for the staff to open the sealing plug and add the required compounding agent to the liquid storage box 7. A sealing gasket is provided between the second connecting pipe 10 and the liquid storage box 7 and the measuring box 12, and a sealing gasket is provided between the second solenoid valve 11 and the second connecting pipe 10. This design is convenient for the staff to open the first solenoid valve 15, so that the compounding agent in the liquid storage box 7 can enter the measuring box 12. A sealing gasket is provided between the first connecting pipe 9 and the measuring box 12 and the internal mixer body 1, and a sealing gasket is provided between the first solenoid valve 15 and the first connecting pipe 9. This design is convenient for the staff to open the second solenoid valve 11, so that the compounding agent in the measuring box 12 can enter the internal mixer body 1;

[0023] The first solenoid valve 15 and the second solenoid valve 11 are electrically connected to the external controller, and the liquid level sensor 14 is connected to the external controller signal. This design is convenient for the staff to control the switch of the first solenoid valve 15 and the second solenoid valve 11 through the external controller and observe the change of the liquid level in the measuring box 12 to measure the amount of the compounding agent added. The liquid storage box 7, the first connecting pipe 9, the first solenoid valve 15, the second connecting pipe 10, the second solenoid valve 11 and the liquid level sensor 14 constitute the second feeding assembly. This design can realize the automatic delivery of the compounding agent to the internal mixer body 1, thereby improving the internal mixing efficiency of the raw rubber.

[0024] As the second embodiment of the utility model: the staff first connects the first solenoid valve 15, the second solenoid valve 11, the conveyor motor 2, the liquid level sensor 14 and the internal mixer body 1 to the external power supply through wires, and drives the conveyor motor 2 to rotate the conveyor belt 3 so that the raw rubber dropped from the lower hopper 6 can be conveyed to the inside of the internal mixer body 1, thereby completing the automatic feeding of the raw rubber, opening the sealing plug to add the required compounding agent to the liquid storage box 7, opening the first solenoid valve 15, so that the compounding agent in the liquid storage box 7 can enter the measuring box 12, opening the second solenoid valve 11, so that the compounding agent in the measuring box 12 can enter the internal mixer body 1, realizing the automatic delivery of the compounding agent to the internal mixer body 1, improving the internal mixing efficiency of the raw rubber, observing the change of the liquid level in the measuring box 12 through the signal change of the liquid level sensor 14, and thereby measuring the amount of the compounding agent added, so that the mixing ratio of the raw rubber and the compounding agent is controlled.

[0025] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0026] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as screws, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pressurized internal mixer, comprising an internal mixer body, a first connecting pipe, a second connecting pipe, a second solenoid valve, a liquid level sensor and a second solenoid valve, characterized in that: The right end face of the internal mixer body is provided with a support plate, the front end face of the support plate is provided with a conveyor motor, the output end of the conveyor motor is provided with a conveyor belt, the front and rear end faces of the support plate are both fixed with mounting vertical plates, and a lower hopper is fixed between the mounting vertical plates; A liquid storage tank is fixed on the upper end face of the internal mixer body, a liquid injection port is provided on the upper end face of the liquid storage tank, a measuring tank is fixed on the left end face of the internal mixer body, a second connecting pipe is provided between the measuring tank and the liquid storage tank, a second solenoid valve is provided on the outer side of the annular surface of the second connecting pipe, a liquid level sensor is installed inside the measuring tank, a first connecting pipe is provided between the measuring tank and the internal mixer body, a first solenoid valve is provided on the outer side of the annular surface of the first connecting pipe, and a viewing window is provided on the front end face of the measuring tank.

2. A pressurized internal mixer according to claim 1, characterized in that: The support plates are provided in two groups, the two groups of support plates are equal in size and symmetrically fixed inside the internal mixer body. The conveyor motor, conveyor belt, mounting vertical plate and lower hopper constitute a first automatic feeding assembly.

3. A pressurized internal mixer according to claim 1, characterized in that: The upper end surface of the liquid injection port is provided with a sealing plug, the sealing plug matches the specification of the liquid injection port, and the two can be sealed and fittedly connected.

4. A pressurized internal mixer according to claim 1, characterized in that: A sealing gasket is provided between the second connecting pipe and the liquid storage box and the measuring box, and a sealing gasket is provided between the second solenoid valve and the second connecting pipe.

5. A pressurized internal mixer according to claim 1, characterized in that: A sealing gasket is provided between the first connecting pipe and the measuring box and the internal mixer body, and a sealing gasket is provided between the first solenoid valve and the first connecting pipe.

6. A pressurized internal mixer according to claim 1, characterized in that: The first solenoid valve and the second solenoid valve are electrically connected to an external controller, the liquid level sensor is signal-connected to the external controller, and the liquid storage tank, the first connecting pipe, the first solenoid valve, the second connecting pipe, the second solenoid valve and the liquid level sensor constitute a second feeding assembly.

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