Silica gel open mill

Abstract

The utility model relates to the technical field of silica gel production equipment, in particular to a silica gel open mill. According to the technical scheme, the open mill comprises an open mill body and a roller, connecting structures are arranged at the two ends of the roller, and the roller is connected with an external cooling system through the connecting structures; a condensation flow channel is arranged in the roller, and the external cooling system forms a closed cooling system through a connecting structure and the condensation flow channel. The closed cooling system loop is formed by the external cooling system, the connecting structure and the roller, so that the roller can be quickly cooled by the external cooling system, and the roller can be quickly cooled without changing the original functions of the roller.

Description

Technical Field

[0001] The utility model relates to the technical field of silica gel production equipment, in particular to a silica gel mixing mill. Background Art

[0002] The open rubber mixing mill is widely used in the silicone manufacturing industry. Its structure includes: a bracket, on which are supported front and rear rollers parallel to each other for extruding the rubber. Since the front and rear rollers rotate relative to each other at different linear speeds (fixed speeds), the rubber is pulled into the roller gap under the action of friction. Due to the reduction in the gap between the two rollers, the rubber is strongly squeezed and sheared, and the rubber macromolecules undergo oxidation chain rupture while mechanically breaking the chain, thereby increasing plasticity and achieving the purpose of rubber mixing.

[0003] However, when the existing rubber mixer is in use, since it needs to continuously extrude and shear the silicone rubber, the roller of the rubber mixer is prone to high temperature after long-term use, which causes the roller to be easily damaged by the high temperature. After long-term use, the machine needs to be stopped for cooling before it can be used again, which is inefficient. Utility Model Content

[0004] In view of the problems existing in the background technology, the utility model discloses a silica gel mixing mill which can quickly cool down a roller.

[0005] The technical solution of the utility model is: a silica gel mixing mill, comprising a mixing mill body and a roller, wherein both ends of the roller have connecting structures, and the roller is connected to an external cooling system through the connecting structure; a condensation flow channel is arranged in the roller, and the external cooling system forms a closed cooling system through the connecting structure and the condensation flow channel.

[0006] In an optional embodiment, the connecting structure includes a sleeve installed on the end of the roller, the inner ring of the sleeve is provided with a first bearing, a connecting pipe is fixed on the inner side of the first bearing, a cooling pipe is connected to the connecting pipe through a three-way pipe, and the cooling pipe is respectively connected to the input end and the output end of the external cooling system.

[0007] In an optional embodiment, a mechanical seal is provided between the sleeve and the connecting pipe.

[0008] In an optional embodiment, the connecting shaft of the roller is configured to be hollow, the connecting pipe is connected to the hollow part of the roller, and the condensation flow channel connects the hollow parts at both ends of the roller.

[0009] In an optional embodiment, a plurality of condensation flow channels are provided and distributed along the axis direction of the drum.

[0010] In an optional embodiment, the transmission gear of the mixing mill body is arranged on the connecting shaft of the roller.

[0011] In an optional embodiment, a second bearing is provided on the connecting shaft of the drum.

[0012] Compared with the prior art, the utility model has the following beneficial technical effects:

[0013] The utility model forms a closed cooling system loop through the external cooling system, the connection structure and the drum, so that the external cooling system can quickly cool the drum, and the drum can be quickly cooled without changing the original function of the drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of an embodiment of the utility model is given;

[0015] Figure 2 A connection view of the connection structure and the drum in the embodiment of the utility model is given;

[0016] Figure 3 It is a cross-sectional view of the connecting structure and the roller in the embodiment of the utility model;

[0017] Figure 4 A cross-sectional view of a drum in an embodiment of the utility model;

[0018] Reference numerals: 100 main body of the mixing mill; 110 transmission gear; 120 second bearing; 130 roller; 131 condensation channel; 200 connection structure; 201 three-way pipe; 202 connection pipe; 203 mechanical seal; 204 sleeve; 205 first bearing. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0020] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "vertical", "cross", "inside", "outside", "front", "back" 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 referred device or element 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.

[0021] like Figures 1 to 4 As shown, the utility model proposes a silica gel mixing mill, including a mixing mill body 100 and a roller 130, wherein both ends of the roller 130 have connection structures 200, and the roller 130 is connected to an external cooling system through the connection structure 200; a condensation flow channel 131 is arranged in the roller 130, and the external cooling system forms a closed cooling system through the connection structure 200 and the condensation flow channel 131.

[0022] A closed cooling system loop is formed by the external cooling system, the connection structure 200 and the drum 130 , so that the external cooling system can quickly cool the drum 130 .

[0023] In this embodiment, the cooling system includes a condenser and a condensate tank, etc. The cooling system is a prior art and will not be described in detail here.

[0024] Furthermore, the connecting structure 200 includes a sleeve 204 installed on the end of the roller 130, and the inner ring of the sleeve 204 is provided with a first bearing 205. A connecting pipe 202 is fixed on the inner side of the first bearing 205. The connecting pipe 202 is connected to a cooling pipe through a three-way pipe 201, and the cooling pipe is respectively connected to the input end and the output end of the external cooling system.

[0025] A mechanical seal 203 is provided between the sleeve 204 and the connecting pipe 202. The first bearing 205 and the mechanical seal 203 can be provided to enable the drum 130 to maintain good sealing performance while being able to rotate normally, thereby preventing the coolant from overflowing.

[0026] The connecting shaft of the drum 130 is configured to be hollow, the connecting pipe 202 is connected to the hollow part of the drum 130 , and the condensation flow channel 131 connects the hollow parts at both ends of the drum 130 .

[0027] Reference Figure 4 The condensation channels 131 are provided in plurality and are distributed in the axial direction of the drum 130. By providing the condensation channels 131, the drum 130 can be quickly cooled when the condensate flows through the condensation channels 131.

[0028] The transmission gear 110 of the mixing mill body 100 is arranged on the connecting shaft of the roller 130. In order to allow the condensate to flow through the roller 130 without affecting the installation of the roller 130, a mounting position for the transmission gear 110 can be reserved on the connecting shaft of the roller 130, so that the condensate can flow through the condensation flow channel 131 without affecting the installation of the roller 130.

[0029] In an optional embodiment, a second bearing 120 is disposed on the connecting shaft of the drum 130. The drum 130 can be normally installed by disposing the second bearing 120.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" 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, a direct connection, or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention are understood according to specific circumstances.

[0031] The above specific embodiments are only one or several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A silica gel mixing mill, characterized in that: The invention comprises an open mill body (100) and a roller (130), wherein both ends of the roller (130) are provided with connection structures (200), and the roller (130) is connected to an external cooling system via the connection structure (200); a condensation flow channel (131) is arranged in the roller (130), and the external cooling system forms a closed cooling system via the connection structure (200) and the condensation flow channel (131); The connection structure (200) comprises a sleeve (204) installed at the end of the roller (130), the inner ring of the sleeve (204) is provided with a first bearing (205), the inner side of the first bearing (205) is fixed with a connecting pipe (202), the connecting pipe (202) is connected to a cooling pipe via a three-way pipe (201), and the cooling pipe is respectively connected to an input end and an output end of an external cooling system; The connecting shaft of the roller (130) is arranged to be hollow, the connecting pipe (202) is butted against the hollow part of the roller (130), and the condensation flow channel (131) connects the hollow parts at both ends of the roller (130); A plurality of condensation flow channels (131) are provided and distributed in the axial direction of the drum (130).

2. A silica gel mixing mill according to claim 1, characterized in that: A mechanical seal (203) is provided between the sleeve (204) and the connecting pipe (202).

3. A silica gel mixing mill according to claim 1, characterized in that: The transmission gear (110) of the mixing mill body (100) is arranged on the connecting shaft of the roller (130).

4. A silica gel mixing mill according to claim 3, characterized in that: A second bearing (120) is arranged on the connecting shaft of the roller (130).

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