Top peg hydraulic driving mechanism of internal mixer

Abstract

The top peg hydraulic driving mechanism of the internal mixer comprises an internal mixing chamber and a fixing plate, a transition chamber is arranged at the top of the internal mixing chamber, the internal mixing chamber is located below the bottom of the fixing plate, a top peg is arranged in the transition chamber, a guide rod is arranged at the top of the top peg, and hydraulic oil cylinders are fixedly connected to the two ends of the top of the fixing plate. A cover plate is arranged at the top of the hydraulic oil cylinder, a fixing sleeve is arranged at the center of the bottom of the cover plate, the top of a guide rod penetrates through the fixing sleeve and the cover plate and is located above the top of the cover plate, moving rods are arranged on the two sides of the center of the top of the cover plate, a moving plate is arranged at the top of the guide rod, and circular notches are formed in the two ends of the top and the bottom of the moving plate. A moving rod is arranged in the circular notch; the guide rod is lifted in a mode of lifting the movable plate, the lifting of the guide rod enables the top peg to be lifted, and therefore the pressure of the top peg is adjusted in a mode of increasing the height of the top peg.

Description

Technical Field

[0001] The utility model relates to the technical field of internal mixers, in particular to an upper push bolt hydraulic driving mechanism of an internal mixer. Background Art

[0002] Closed rubber mixer is called internal mixer for short, which is mainly used for plasticizing and mixing rubber. Internal mixer is a machine with a pair of relatively rotating rotors of specific shapes, which plasticizes and mixes polymer materials intermittently under a closed state with adjustable temperature and pressure. It is mainly composed of internal mixing chamber, rotor, rotor sealing device, feeding and pressing device, unloading device, transmission device and machine base.

[0003] When the internal mixer is mixing, the upper push pin presses the rubber material into the internal mixing chamber, the rotor rotates, and the rubber material is mixed under the joint action of the upper push pin, the rotor and the lower push pin. The upper push pin plays the role of pressing the material to move and restricting the material in the internal mixing chamber. However, during the use of the upper push pin of the above prior art, the pressure of the upper push pin is not easy to adjust, resulting in the pressure not being able to be adjusted according to the specific situation of the rubber material during use, which leads to unsatisfactory mixing effect. Utility Model Content

[0004] The utility model aims to provide a hydraulic drive mechanism for an upper ejector bolt of an internal mixer to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A hydraulic drive mechanism for an upper push bolt of an internal mixer comprises an internal mixing chamber and a fixed plate, a transition chamber is arranged on the top of the internal mixing chamber, a through hole is opened at the center of the surface of the fixed plate, and the through hole is connected to the center of the surface of the transition chamber, the internal mixing chamber is located below the bottom of the fixed plate, an upper push bolt is arranged inside the transition chamber, a guide rod is arranged on the top of the upper push bolt, hydraulic cylinders are fixedly connected to the two ends of the top of the fixed plate, a cover plate is arranged on the top of the hydraulic cylinder, a fixing sleeve is arranged at the bottom center of the cover plate, and the top of the guide rod passes through the fixing sleeve and the cover plate and is located above the top of the cover plate.

[0007] Preferably, moving rods are arranged on both sides of the top center of the cover plate, a moving plate is arranged on the top of the guide rod, circular notches are opened at the top and bottom ends of the moving plate, and moving rods are arranged inside the circular notches.

[0008] Preferably, a plurality of slots are provided on the surface of the guide rod, and a clamping block is provided inside the fixing sleeve, and the clamping block is connected to the slot in a clamping manner.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model discloses a hydraulic driving mechanism for an upper ejector bolt of an internal mixer, which lifts a guide rod by lifting a movable plate. The lifting of the guide rod causes the upper ejector bolt to be lifted, thereby adjusting the pressure of the upper ejector bolt by increasing the height of the upper ejector bolt, thereby improving the mixing efficiency.

[0011] 2. The utility model provides an upper push bolt hydraulic drive mechanism for an internal mixer. During the movement of the guide rod, the groove on the surface of the guide rod will be stuck by the internal block after moving into the fixed sleeve, thereby fixing the position of the guide rod without affecting the movement of the guide rod, which has certain practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] In the figure: 1. mixing chamber; 2. transition chamber; 3. top bolt; 4. guide rod; 5. hydraulic cylinder; 6. cover plate; 7. fixed sleeve; 8. moving plate; 9. moving rod; 10. fixed plate. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. 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.

[0016] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 invention can be understood according to specific circumstances.

[0017] See also Figure 1, the utility model provides a technical solution:

[0018] A hydraulic drive mechanism for an upper push bolt of an internal mixer comprises a mixing chamber 1 and a fixed plate 10. A transition chamber 2 is arranged on the top of the mixing chamber 1. A through hole is opened at the center of the surface of the fixed plate 10, and the through hole is connected to the center of the surface of the transition chamber 2. The mixing chamber 1 is located below the bottom of the fixed plate 10. An upper push bolt 3 is arranged inside the transition chamber 2. A guide rod 4 is arranged on the top of the upper push bolt 3. Hydraulic cylinders 5 are fixedly connected to both ends of the top of the fixed plate 10. A cover plate 6 is arranged on the top of the hydraulic cylinder 5. A fixing sleeve 7 is arranged at the bottom center of the cover plate 6. The top of the guide rod 4 passes through the fixing sleeve 7 and the cover plate 6 and is located above the top of the cover plate 6.

[0019] Furthermore, moving rods 9 are arranged on both sides of the top center of the cover plate 6, a moving plate 8 is arranged on the top of the guide rod 4, circular notches are opened at the top and bottom ends of the moving plate 8, and the moving rods 9 are arranged inside the circular notches.

[0020] Furthermore, a plurality of slots are provided on the surface of the guide rod 4 , and a clamping block is provided inside the fixing sleeve 7 , and the clamping block is connected to the slots in a clamping manner.

[0021] Working principle:

[0022] The utility model provides an upper push bolt hydraulic driving mechanism of an internal mixer, which lifts the guide rod 4 by lifting the movable plate 8. The lifting of the guide rod 4 will lift the upper push bolt 3, so that the pressure of the upper push bolt 3 is adjusted by increasing the height of the upper push bolt 3, thereby improving the mixing efficiency.

[0023] In addition, during the movement of the guide rod 4, the groove on the surface of the guide rod 4 will be stuck by the internal block after moving into the fixing sleeve 7, thereby fixing the position of the guide rod 4 without affecting the movement of the guide rod 4, which has certain practicality.

[0024] It should be noted that the connection method between the guide rod 4 and the fixed sleeve 7 adopts the fixation of the telescopic end during the stretching or telescopic process of the telescopic rod in the prior art. This is the prior art, and the specific structure between the guide rod 4 and the fixed sleeve 4 will not be described in detail here.

[0025] Finally, it should be noted that the utility model is based on the hydraulic drive mechanism of the existing internal mixer, and the pressure of the upper push bolt 3 can be adjusted. During use, the pressure generated by the upper push bolt 3 can be adjusted according to the specific conditions of the rubber material, thereby resulting in a better mixing effect.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic drive mechanism for an upper ejector pin of an internal mixer, comprising an internal mixing chamber (1) and a fixed plate (10), characterized in that: A transition chamber (2) is arranged on the top of the mixing chamber (1), a through hole is opened at the center of the surface of the fixed plate (10), and the through hole is connected to the center of the surface of the transition chamber (2), the mixing chamber (1) is located below the bottom of the fixed plate (10), an upper push bolt (3) is arranged inside the transition chamber (2), and a guide rod (4) is arranged on the top of the upper push bolt (3), a hydraulic cylinder (5) is fixedly connected to both ends of the top of the fixed plate (10), a cover plate (6) is arranged on the top of the hydraulic cylinder (5), and a fixing sleeve (7) is arranged at the center of the bottom of the cover plate (6), and the top of the guide rod (4) passes through the fixing sleeve (7) and the cover plate (6) and is located above the top of the cover plate (6).

2. The hydraulic drive mechanism for the top push pin of an internal mixer according to claim 1, characterized in that: Moving rods (9) are arranged on both sides of the center of the top of the cover plate (6), a moving plate (8) is arranged on the top of the guide rod (4), and circular notches are opened at the top and bottom ends of the moving plate (8), and the moving rods (9) are arranged inside the circular notches.

3. The hydraulic drive mechanism for the upper ejector pin of an internal mixer according to claim 1, characterized in that: The surface of the guide rod (4) is provided with a plurality of slots, and the interior of the fixing sleeve (7) is provided with a clamping block, which is connected to the slot in a clamping manner.

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