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hot melt adhesive

A bonder and hot-melt technology, which is applied in the field of welders, can solve the problems of difficult to guarantee the firmness of bonding and long curing time, and achieve the effects of fast curing speed, high connection strength and increased bonding strength.

Inactive Publication Date: 2015-08-05
张涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When a plastic device breaks, adhesives are generally used for repairing and bonding. Although there are many types of adhesives for plastic bonding on the market, different plastics have different properties. It is difficult to choose which adhesive is suitable for this plastic. For bonding, use an adhesive with different properties from the plastic for bonding, the firmness of the bond is difficult to guarantee, and the curing time after bonding is longer

Method used

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Embodiment Construction

[0023] Such as Figure 1-4 As shown, a hot-melt adhesive device of this embodiment includes a housing 1, a handle 11 is provided outside the housing, a hot-melt device 2 is arranged inside the housing, and a spiral body 22 is arranged inside the trough 21 of the hot-melt device. The spiral body 22 is composed of a spiral shaft 221 and a spiral blade 222 welded on the shaft, and is connected with the gear set 61 driven by the motor 6 to generate rotation. A feeding port 23 is provided above the trough 21, and plastic foam is put in from the feeding port, and pushed into the melting tank 24 connected with the bottom through the spiral blade 222 of the spiral body. An electric heating tube 241 is arranged on the periphery of the melting tank. The discharge port 25 is arranged in a straight line with the weldment 3, and protrudes outside the housing 1. On both sides between the weldment 3 and the discharge port 25, there are two counter-rotating valves that are also exposed to the...

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Abstract

The invention discloses a hot-melting bonding device. The hot-melting bonding device comprises a housing. A handle is arranged on the outer part of the housing. A hot-melting device is arranged in the housing. A spiral body is arranged in a material groove of the hot-melting device. A material inlet is arranged at an upper part of the material groove and a melting tank is communicated with a lower part of the material groove. The melting tank is surrounded by electrically heated tubes. A material outlet below the melting tank and a welded part are arranged in a line. The material outlet stretches out of the housing. Two pushing ratchet wheels which rotate oppositely and stretch out of the housing are arranged at two side of the material outlet and the welded part. The pushing ratchet wheels are connected to a gear set driven by a motor. The motor, the electrically heated tubes, the welded part and an electrical apparatus control system are connected into an electrical loop. The hot-melting bonding device realizes bonding repair of fractured plastic by a hot-melting method, is environmentally friendly and healthful, and has high joint strength and a fast curing rate after bonding.

Description

technical field [0001] The invention relates to a welder, in particular to a hot-melt adhesive for welding plastics. Background technique [0002] When a plastic device breaks, adhesives are generally used for repairing and bonding. Although there are many types of adhesives for plastic bonding on the market, different plastics have different properties. It is difficult to choose which adhesive is suitable for this plastic. For bonding, use an adhesive with different properties from the plastic for bonding, the firmness of the bonding is difficult to guarantee, and the curing time after bonding is longer. Contents of the invention [0003] The object of the present invention is to provide a welder for plastic hot-melt bonding aiming at the existing deficiencies. [0004] The technical solution adopted by the present invention to solve the technical problem is: a hot-melt adhesive, including a housing, a handle is provided outside the housing, a hot-melt device is provided...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C73/00B29C73/34
Inventor 胡海明
Owner 张涛
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