Search

CN-224224489-U - Cooling extrusion device for head of sealant extruder

CN224224489UCN 224224489 UCN224224489 UCN 224224489UCN-224224489-U

Abstract

The utility model discloses a cooling extrusion device of a sealing gum extruder head, which comprises an extrusion mechanism, wherein the extrusion mechanism is used for extruding self-sealing gum, the cooling mechanism is connected with the extrusion mechanism and used for cooling the self-sealing gum, and the cooling extrusion device of the sealing gum extruder head is characterized in that a cooling channel is arranged in a cooling machine barrel and is used for realizing circulating water cooling through a cooling water inlet and a cooling water return port, so that the self-sealing gum can be rapidly cooled to a proper temperature in the extrusion process, the problem of low cooling efficiency in the traditional natural cooling and air cooling modes is effectively solved, the production efficiency is improved, the cooling channel can be uniformly distributed with a cooling medium by optimizing the internal structure of the cooling machine barrel, the extruded self-sealing gum is ensured to be heated uniformly in the whole cooling process, the phenomenon of local supercooling or overheating is avoided, the change of the gum performance caused by uneven cooling is reduced, and the product quality is improved.

Inventors

  • LI CHUANYUE
  • Jiang Shibian

Assignees

  • 安徽佳通乘用子午线轮胎有限公司

Dates

Publication Date
20260512
Application Date
20250228

Claims (6)

  1. 1. A cooling extrusion device for a head of a sealant extruder, comprising: An extrusion mechanism (1) for extruding self-sealing glue; the cooling mechanism (2) is connected with the extrusion mechanism (1) and used for cooling the self-sealing glue; The extrusion mechanism (1) comprises a screw (101), wherein one end of the screw (101) is fixed with a pressurizing disc (102) through a bolt, and one side, close to the screw (101), of the pressurizing disc (102) is attached with a sealing ring (103); The cooling mechanism (2) comprises a cooling machine barrel (201), an opening end cover (205) is arranged at one end of the cooling machine barrel (201), a cooling channel (202) is formed in the cooling machine barrel (201), the screw (101) is arranged in the cooling channel (202), and a cooling water inlet (203) and a cooling water return port (204) are formed in the outer portion of the cooling machine barrel (201).
  2. 2. A cooling extrusion apparatus of a head of a sealant extruder as claimed in claim 1, wherein said cooling water inlet (203) is in communication with a cooling channel (202), and said cooling water return port (204) is in communication with the cooling channel (202).
  3. 3. The cooling extrusion device of the head of the sealant extruder as claimed in claim 1, wherein the bottom end of the cooling cylinder (201) is provided with a sealant outlet (104).
  4. 4. The cooling extrusion device of a sealing gum extruder head according to claim 1, further comprising an opening and closing mechanism (3) connected with the cooling mechanism (2), wherein the opening and closing mechanism (3) comprises a connecting bracket (301) fixed outside the cooling barrel (201), a movable frame (302) is installed on the upper portion of the connecting bracket (301), a shaft (303) is arranged on the movable frame (302), a positioning pin (304) is arranged on the shaft (303), a locking nut (305) is further arranged on the shaft (303), a shaft sleeve (306) is further arranged on the shaft (303), a pin (307) is arranged at the top of the shaft (303), a groove is formed in the movable frame (302), and the pin (307) slides in the groove on the movable frame (302).
  5. 5. A cooling extrusion device for a head of a sealant extruder according to claim 4, wherein a bearing (308) is arranged outside the pin (307), and a gasket (309) is fixed on the side of the pin (307).
  6. 6. The cooling extrusion device of a head of a sealant extruder according to claim 4, further comprising a locking mechanism (4) arranged on the opening and closing mechanism (3), wherein the locking mechanism (4) comprises a locking pin (401) fixed on the mouth-shaped end cap (205), a locking pull rod (402) is fixed on the locking pin (401), a pull plate (403) is fixed on the locking pull rod (402), and a locking head (404) is fixed at one end of the locking pull rod (402).

Description

Cooling extrusion device for head of sealant extruder Technical Field The utility model relates to the technical field of tire manufacturing, in particular to a cooling extrusion device for a head of a sealant extruder. Background In the existing self-sealing tire manufacturing process, self-sealing rubber is used as a main raw material and is mainly produced by a screw extruder. However, the screw extruder generates higher heat in the processing process, so that the extruded self-sealing glue has higher temperature and cannot be directly stored, and the extruded self-sealing glue can meet the storage requirement after being cooled to room temperature. At present, common cooling methods comprise natural cooling, air cooling or water cooling and the like. However, the natural cooling mode has long cooling time, is difficult to meet the high-efficiency production requirement, the air cooling can accelerate the cooling process, but the cooling effect is greatly influenced by the ambient temperature and the air speed, and is difficult to realize stable control, and the water cooling mode can quickly reduce the temperature, but easily causes the surface of the self-sealing adhesive to be wet or polluted, and influences the subsequent service performance. Therefore, the existing cooling mode has the problems of low cooling efficiency, uneven cooling, influence on self-sealing glue performance and the like in practical application. Disclosure of utility model The utility model aims to provide a cooling extrusion device for a head of a sealant extruder, which solves the problems in the prior art. In order to achieve the purpose, the utility model provides the following technical scheme that the head cooling extrusion device of the sealant extruder comprises: The extrusion mechanism is used for extruding self-sealing glue; And the cooling mechanism is connected with the extrusion mechanism and used for cooling the self-sealing glue. Preferably, the extrusion mechanism comprises a screw, one end of the screw is fixed with a pressurizing disc through a bolt, and one side of the pressurizing disc, which is close to the screw, is attached with a sealing ring. Preferably, the cooling mechanism comprises a cooling machine barrel, one end of the cooling machine barrel is provided with a mouth-shaped end cover, a cooling channel is formed in the cooling machine barrel, the screw is arranged in the cooling channel, and a cooling water inlet and a cooling water return port are formed in the outer portion of the cooling machine barrel. Preferably, the cooling water inlet is communicated with the cooling channel, and the cooling water return port is communicated with the cooling channel. Preferably, a glue outlet is formed in the bottom end of the cooling machine barrel. Preferably, the cooling machine further comprises an opening and closing mechanism connected with the cooling mechanism, the opening and closing mechanism comprises a connecting support fixed outside the cooling machine barrel, a movable frame is installed on the upper portion of the connecting support, a shaft is arranged on the movable frame, a positioning pin is arranged on the shaft, a locking nut is further arranged on the pin, a shaft sleeve is further arranged on the shaft, a pin is arranged at the top of the shaft, a groove is formed in the movable frame, and the pin slides in the groove on the movable frame. Preferably, a bearing is arranged outside the pin, and a gasket is fixed on the side edge of the pin. Preferably, the locking mechanism further comprises a locking mechanism arranged on the opening and closing mechanism, the locking mechanism comprises a locking pin fixed on the mouth-shaped end cover, a locking pull rod is fixed on the locking pin, a pull plate is fixed on the locking pull rod, and a locking head is fixed at one end of the locking pull rod. According to the technical scheme, the utility model has the following beneficial effects: This sealing gum extruder aircraft nose cooling extrusion device through set up cooling channel in the cooling barrel to realize circulating water cooling through cooling water inlet and cooling return water mouth, make self sealss glue can cool down to suitable temperature fast in extrusion process, traditional natural cooling and the low problem of forced air cooling mode cooling efficiency have effectively been solved, production efficiency has been improved, through optimizing cooling barrel inner structure, make cooling channel can evenly distributed cooling medium, ensure that extruded self sealss glue is heated evenly in whole cooling process, avoid local supercooling or overheated phenomenon, thereby reduce the sizing material performance change because the cooling is inhomogeneous, improve product quality, through closed cooling channel, effectively keep apart cooling water and self sealss glue contact, the influence of moisture to sizing material performance has been avoided, storage stability h