TWM645113U - Continuous forming mold for gasket - Google Patents

Abstract

A gasket continuous forming mold has a mold with a female mold and a male mold. The female mold and the male mold form a mold cavity and a clamping mold cavity after the mold is closed. The mold is used to form a gasket string, wherein The gasket string has a first gasket string and a second gasket string formed after the first gasket string. After the first gasket string is formed by the mold, the first gasket string is pulled out and the mold is closed. When, the last gasket of the first gasket string is placed in the clamping mold cavity to be covered by the clamping mold cavity, and when the mold forms the second gasket string, the first gasket of the second gasket string The piece is connected to the last gasket of the first gasket string, thereby achieving the function of connecting the first gasket string together during the second injection molding, thereby achieving the effect of continuous molding and simplifying manufacturing. steps and reduce manufacturing time, which has the effect of low manufacturing cost and high efficiency.

Description

Gasket continuous forming mold

This creation is related to gaskets, specifically a gasket continuous forming mold for nail guns.

It is known that the plastic gasket used with the nail gun is installed on the nail gun. When the nail gun is fired, it can be used together with the plastic gasket. When firing, the nails of the nail gun first pass through the plastic gasket and then nailed. Insert the waterproof paper (or soundproof cloth) into the wall surface so that the nails can be more firmly combined with the waterproof paper (or soundproof cloth) through the gasket.

In terms of production, for example, the gasket molding method provided by US Patent No. 7207095 is to inject materials into several molds and then injection mold a plurality of connected gasket strings, and the gasket strings formed by each mold are are not connected, so the gasket strings must be connected separately through, for example, high-frequency waves, which results in high manufacturing costs and complicated manufacturing processes, making it impossible to effectively improve manufacturing efficiency.

In view of this, how to solve the above problems is the primary issue that this creation aims to solve.

The main purpose of this invention is to provide a gasket continuous molding mold. The last gasket of the gasket string after injection molding has a connecting part. During the second injection molding, the last gasket of the previous time is connected together. The mold is clamped to connect the gasket at the front end of the second molding with the last gasket from the previous time through the connecting part, thereby achieving continuous injection manufacturing, which has the effects of low manufacturing cost and high efficiency.

In order to achieve the aforementioned purpose, this invention provides a gasket continuous forming mold, including: A mold has a female mold and a male mold. After the mold is closed, the female mold and the male mold form a mold cavity and a clamping mold cavity at the front end of the mold cavity. The mold is used to form a gasket string. , wherein the gasket string includes a first gasket string and a second gasket string formed after the first gasket string. After the first gasket string is formed by the mold, the first gasket string is pulled out, and when the mold is closed, one of the last gaskets of the first gasket string is placed in the clamping mold cavity to be covered by the clamping mold cavity, and when the mold forms the second gasket string At this time, the first gasket of the second gasket string is connected to the last gasket of the first gasket string.

Preferably, the mold cavity and the clamping mold cavity are formed by closing a female mold and a male mold of the mold, and the male mold faces downward at an end of the mold cavity away from the clamping mold cavity. A groove is concave outward, and an end of the clamping mold cavity facing the mold cavity is downwardly and outwardly concave with a groove.

In another embodiment, the mold cavity and the clamping mold cavity are formed by closing a female mold and a male mold of the mold, and the male mold is located away from the clamping mold cavity in the mold cavity. One end is downwardly and outwardly concave with two spaced apart grooves, and the clamping mold cavity has one end facing downward and outwardly concave with two spaced apart grooves.

The above-mentioned purposes and advantages of this invention can be easily understood from the following detailed descriptions and drawings of selected embodiments.

First, please refer to Figures 1 to 6, which are the first embodiment of the gasket continuous molding mold provided by this invention. The gasket is injection molded through a mold 1, wherein:

The mold 1 is composed of a female mold 11 and a male mold 12. The mold 1 is closed by the female mold 11 and the male mold 12 to form a mold cavity 13 for molding each gasket and a mold in the mold. There is a clamping mold cavity 14 at the front end of the cavity 13. The male mold 12 has a groove 131 downwardly and outwardly recessed at an end of the mold cavity 13 away from the clamping mold cavity 14, and the clamping mold cavity 14 faces the mold. One end of the cavity 13 is downwardly and outwardly recessed with a groove 141 .

When the gasket is actually formed in this invention, a first gasket string 2 is first formed in the mold 1. The first gasket string 2 has a plurality of gaskets, and each gasket has at least one connecting portion in sequence. The first gasket string 2 includes a first gasket 21 at the front end and a last gasket 22 at the end. The last gasket 22 is far away from the first gasket 21 One end faces downward and extends outward to form a first connecting portion 23 corresponding to the position of the groove 131 .

After the mold 1 is opened, the first gasket string 2 is pulled out through a pulling mechanism (not shown in the figure), and the part of the last gasket 22 is clamped into the mold cavity when the mold 1 is closed. 14 cladding.

A second injection molding is performed to form a second gasket string 3. One of the first gaskets 31 at the front end of the second gasket string 3 extends outward to form a gap with the first gasket string 2. The last gasket 22 is connected to the second connecting part 32, and an upper first connecting part 33 connected to the first connecting part 23 is formed along the upper edge of the first connecting part 23.

This invention uses plastic injection molding to produce gaskets for use with a nail gun. As shown in Figure 2, first, the top of mold 1 and the male mold are closed and injected to form the first gasket string in the mold cavity 13. 2; Then as shown in Figure 3, when the mold 1 is opened, the first gasket string 2 is pulled out through the tractor mechanism, and the part of the last gasket 22 is passed through the clamping mold when the mold 1 is closed. The cavity 14 is covered; finally, as shown in Figure 4, the second injection molding is performed to form the second gasket string 3, and the first gasket 31 located at the front end of the second gasket string 3 will be The connecting part 32 and the upper first connecting part 33 are respectively connected to the last gasket 22 of the first gasket string 2, whereby the second gasket string 3 and the first gasket string 2 are connected during the second injection molding. Can be connected. Through the above steps, the effect of continuous injection molding can be achieved, and the function of connecting the previous gasket strings together during this injection molding can be achieved. There is no need to add additional steps to connect the gasket strings. The method simplifies the manufacturing steps and reduces the manufacturing time, and has the effects of low manufacturing cost and high efficiency.

Please refer to Figures 7 to 9, which are the second embodiment of the gasket continuous forming mold provided by this invention. The difference from the first embodiment is that in this embodiment, the male mold 12a of the mold 1a is in the mold. One end of the cavity 13a away from the clamping mold cavity 14a is downwardly and outwardly recessed with two spaced apart grooves 131a, and one end of the clamping mold cavity 14a toward the mold cavity 13a is downwardly and outwardly recessed with two spaced apart grooves 131a. A groove 141a is provided, and the end of the last gasket 22a of the first gasket string 2a extends downward and outward to form two first connecting portions 23a corresponding to the positions of the grooves 131a.

The above structure is actually applied to the gasket continuous molding mold. The first gasket string 2a is first formed in the mold, and then after the mold 1a is opened, the first gasket string 2a is pulled out through the tractor mechanism. When the mold 1a is closed, the final gasket 22a is placed in the clamping mold cavity 14a to be covered by the clamping mold cavity 14a, and then the second injection molding is performed to form the second gasket string 3a. And the bottom edge of the first gasket 31a located at the front end of the second gasket string 3a is connected to the top surface of the first connecting portion 23a of the first gasket string 2a. Through the above steps, the effect of continuous injection molding can also be achieved. , there is no need to add additional ways to connect the gaskets in series to simplify the manufacturing steps and reduce the manufacturing time, and it also has the effects of low manufacturing cost and high efficiency.

The disclosure of the above embodiments is only for illustrating the present invention and is not intended to limit the present invention. Therefore, any changes in numerical values or replacement of equivalent components shall still fall within the scope of the present invention.

To sum up, it should be possible for those who are familiar with this art to understand that this creation can indeed achieve the aforementioned purposes and has indeed complied with the provisions of the patent law, so the application is filed in accordance with the law.

1. 1a: Mold 11:Mother mold 12, 12a: male model 13, 13a: Mold cavity 131, 141, 131a, 141a: Groove 14, 14a: clamping mold cavity 2. 2a: First gasket string 21:First gasket 22, 22a: final gasket 23, 23a: first connection part 3. 3a: Second gasket string 31, 31a: first gasket 32: Second connection part 33: The first connection part of the upper layer

Figure 1 is a step flow chart of the first embodiment of this invention; Figures 2 to 4 are schematic diagrams of the action of the first embodiment of this invention; Figure 5 is a schematic cross-sectional view of the first embodiment of this invention; Figure 6 is a schematic plan view of the gasket string according to the first embodiment of the present invention, showing that it has a first connecting portion; Figure 7 is a schematic plan view of the mold without injection of materials according to the second embodiment of the present invention; Figure 8 is a schematic cross-sectional view of the second embodiment of this invention; Figure 9 is a schematic plan view of the gasket string according to the second embodiment of the present invention, showing that it has two first connecting parts.

1: Mold

11:Mother mold

12:Male model

2: First gasket string

22:Final gasket

23:First connection part

3: Second gasket string

31:First gasket

33: The first connection part of the upper layer

Claims (3)

A gasket continuous forming mold includes: A mold has a female mold and a male mold. After the mold is closed, the female mold and the male mold form a mold cavity and a clamping mold cavity at the front end of the mold cavity. The mold is used to form a gasket string. , wherein the gasket string includes a first gasket string and a second gasket string formed after the first gasket string. After the first gasket string is formed by the mold, the first gasket string is pulled out, and when the mold is closed, one of the last gaskets of the first gasket string is placed in the clamping mold cavity to be covered by the clamping mold cavity, and when the mold forms the second gasket string At this time, the first gasket of the second gasket string is connected to the last gasket of the first gasket string. The gasket continuous forming mold according to claim 1, wherein the male mold has a groove downwardly and outwardly recessed at an end of the mold cavity away from the clamping mold cavity, and the clamping mold cavity faces the mold. One end of the cavity is downward and outwardly recessed with a groove. The gasket continuous forming mold according to claim 1, wherein the male mold is provided with two spaced apart grooves downwardly and outwardly concave at an end of the mold cavity away from the clamping mold cavity, and the clamping mold cavity One end of the mold cavity facing the mold cavity is downwardly and outwardly concave and has two grooves arranged at intervals.

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