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A hydraulic foaming device

A foaming device and oil pressure technology, applied in the field of oil pressure foaming device, can solve the problems of expensive equipment, high cost, uneven heating of materials, etc., and achieve the effects of low modification cost, stable physical properties, and uniform heating

Active Publication Date: 2022-01-25
东莞兆阳兴业塑胶制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are many types of foaming devices. The most common method is to use oil pressure to drive the foaming structure after laminating the film. During the foaming process, the foaming efficiency can be effectively improved by using inert gas. However, when foaming with inert gas The required reactor and other related equipment are very expensive, and the delivery period needs to be at least half a year, resulting in high cost and long equipment production cycle. At the same time, the long body of the reactor will cause the materials placed in the reactor to be heated Unevenness, which in turn affects the physical properties of foaming, and its specifications are unstable, so it needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of oil pressure foaming device provided in this embodiment, refer to Figure 1-Figure 2 , including the oil pressure base 1, the oil pressure positioning die 2 is placed on the table of the oil pressure base 1, and the two sides of the oil pressure positioning die 2 are respectively detachably connected with two first guide rods 3 which are front and rear symmetrical, and there are four A first guide rod 3, a movable plate 4 that moves up and down along the first guide rod 3 is sleeved above the four first guide rods 3, and an oil pressure shaft 5 is arranged above the movable plate 4, and the movable plate 4 The bottom is provided with the hydraulic movable mold 6, and more than one limiting groove 7 is arranged in the hydraulic movable mold 6, and the width of each limiting groove 7 is different, and each limiting groove 7 is provided with A foaming mold 8 that contains a foaming product placement chamber inside, and the second foaming mold 8 counted from top t...

Embodiment 2

[0030] A kind of oil pressure foaming device provided in this embodiment, refer to Figure 3-Figure 4 , further, in order to facilitate subsequent disassembly, an extension 21 is provided above the first foldable sealing sleeve 16, and a positioning ring 22 is provided on the outside of the extension 21, and the positioning ring 22 is fixed on the movable plate 4 by screws 23 above, and the extension part 21 is inserted into the extension part 21, by inserting the extension part 21 into the movable plate 4, and then fixing the positioning ring 22 and the movable plate 4 with screws, it is convenient for later disassembly and improves Sealing effect.

Embodiment 3

[0032] A kind of oil pressure foaming device provided in this embodiment, refer to Figure 5 , further, to improve the thermal insulation effect, the inner side of the sealing sleeve is provided with a thermal insulation layer 24, and the thermal insulation temperature during foaming is improved by setting the thermal insulation layer 24.

[0033] Further, to improve the sealing effect, the lower end of the second foldable sealing sleeve 19 extends into the hydraulic positioning die 2, and further improves the sealing effect by inserting the lower end of the second foldable sealing sleeve 19 into the hydraulic positioning die 2. Sealing effect.

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Abstract

The invention discloses an oil pressure foaming device, which comprises an oil pressure base, an oil pressure positioning mold, a movable plate, an oil pressure shaft, an oil pressure movable mold and a first guide rod, and a limit groove is arranged in the oil pressure movable mold. In the limit groove, there is a foaming mold that overlaps when the mold is closed. On the hydraulic positioning mold, there is a sealing concave ring. On the hydraulic movable mold, there is a sealing silicone plate that matches the sealing concave ring. A vacuum device is provided on the side of the pressure positioning die, and a first foldable sealing sleeve is detachably connected to the movable plate. A first connecting rod is arranged below the first foldable sealing sleeve, and a The second connecting rod is provided with a second foldable sealing sleeve at the lower end of the second connecting rod, and an extending sleeve is provided between the second connecting rod and the first connecting rod. The invention combines the clamping force of the oil pressure table with a unique sealing structure to achieve the required conditions for inert gas foaming. Not only is the modification cost low and the cycle is short, but compared with the reactor equipment, the material is heated more evenly and the physical properties are improved. more stable.

Description

technical field [0001] The invention relates to the technical field of a foaming mechanism, in particular to an oil pressure foaming device. Background technique [0002] There are many types of foaming devices. The most common method is to use oil pressure to drive the structure of foaming after film lamination. During the foaming process, inert gas can effectively improve the foaming efficiency, but at present, when foaming with inert gas The required reactor and other related equipment are very expensive, and the delivery cycle needs to be at least half a year, resulting in high cost and long production cycle of the equipment. At the same time, the long body of the reactor will cause the materials placed in the reactor to be heated Inhomogeneity, which in turn affects the physical properties of foaming, and its specifications are unstable, so it needs to be improved. Contents of the invention [0003] The object of the present invention is to provide an oil pressure fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C44/02B29C44/58B29C44/34
CPCB29C44/02B29C44/58B29C44/3403B29C44/35
Inventor 郭仁成
Owner 东莞兆阳兴业塑胶制品有限公司