Positioning and discharging jig for MIM piece rubber coating mold

By designing a positioning and feeding fixture for MIM part overmolding molds, and utilizing the precise positioning of the mold core and fixture plate as well as the ejection mechanism of the ejector block, the low efficiency and risk of burns when quickly placing MIM parts into the injection mold are solved, achieving an efficient and safe feeding process.

CN223657476UActive Publication Date: 2025-12-12GIAN (DONGGUAN) TECH DEV CO LTD
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Patent Information

Application Number
CN202423155397.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-12
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In existing technologies, MIM parts are inefficient when quickly placed into injection molds and pose a risk of burns to employees.

Method used

Design a positioning and feeding fixture for MIM part overmolding mold, including mold core, feeding fixture, fixture plate, positioning block and ejector block. Through the precise positioning of the positioning block and mold core positioning pin, combined with the ejector mechanism of compression spring and handle, a fast and safe feeding process is achieved.

Benefits of technology

It improves production efficiency, ensures quick material feeding, and effectively prevents employees from getting burned. It has a simple structure and precise positioning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a positioning and emptying jig for an MIM (metal injection molding) piece rubber coating die, which comprises a die core and an emptying jig, a plurality of die cavities arranged in rows are arranged at the upper end of the die core, the emptying jig is provided with a jig plate correspondingly matched with the die core, and jig cavities correspondingly matched with the die cavities are arranged at the upper end of the jig plate. Positioning blocks are arranged on the left side and the right side of the jig cavity, an ejection block which is vertically arranged is arranged at the upper end of the jig cavity, the ejection block is fixedly arranged at the upper end of an ejection plate, the ejection plate is arranged at the upper end of the jig plate through a guide column and an equal-height screw, a compression spring is sleeved at the upper end of the guide column, and a handle is arranged at the upper end of the ejection plate. The feeding device has the advantages of being novel in design, simple in structure, accurate in positioning, convenient and fast in feeding, capable of effectively improving production efficiency and capable of preventing hands of workers from being scalded due to direct feeding.
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Description

Technical Field

[0001] This utility model relates to the field of MIM part overmolding technology, and in particular to a positioning and feeding fixture for MIM part overmolding. Background Technology

[0002] With the development of technology and consumers' increasing pursuit of smart 3C products, these products have been widely used in daily life. The high shipment volume and short manufacturing cycle of smart 3C products bring enormous production pressure to companies in the supply chain; how to generate the highest production capacity at the lowest cost is now the primary concern for every company in the supply chain. To overcome the problem of rapidly placing multiple MIM parts into the injection mold to improve production efficiency and protect employees from burns, a positioning and feeding fixture for MIM part overmolding molds is designed. Utility Model Content

[0003] The purpose of this utility model is to provide a positioning and feeding fixture for MIM part overmolding molds to address the shortcomings of existing technologies. This positioning and feeding fixture for MIM part overmolding molds has a novel design, simple structure, accurate positioning, and convenient and quick feeding, effectively improving production efficiency and preventing employees' hands from being burned by direct feeding.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution.

[0005] A positioning and feeding fixture for a MIM (Metal Injection Molding) part overmolding mold includes a mold core and a feeding fixture. The upper end of the mold core is provided with a plurality of mold cavities arranged in a row. The feeding fixture is provided with a fixture plate corresponding to the mold core, and the upper end of the fixture plate is provided with a fixture cavity corresponding to the mold cavity. Positioning blocks are installed on the left and right sides of the fixture cavity. An ejector block is installed on the upper end of the fixture cavity in a vertical arrangement and is fixedly installed on the upper end of the ejector plate. The ejector plate is installed on the upper end of the fixture plate through guide posts and equal-height screws. A compression spring is fitted on the upper end of the guide post, and a handle is installed on the upper end of the ejector plate.

[0006] The upper end of the fixture plate is equipped with several mold core positioning pins arranged in a convex shape.

[0007] The fixture cavity has mounting grooves on its left and right sides that correspond to and match the positioning blocks.

[0008] The positioning block is made of urethane rubber.

[0009] The beneficial effects of this utility model are as follows: The positioning and feeding fixture for the MIM part overmolding mold described in this utility model includes a mold core and a feeding fixture. The upper end of the mold core is provided with a plurality of mold cavities arranged in a row. The feeding fixture is provided with a fixture plate corresponding to and matching the mold core. The upper end of the fixture plate is provided with a fixture cavity corresponding to and matching the mold cavity. Positioning blocks are installed on the left and right sides of the fixture cavity. An ejector block arranged vertically is installed on the upper end of the fixture cavity. The ejector block is fixedly installed on the upper end of the ejector plate. The ejector plate is installed on the upper end of the fixture plate through guide posts and equal-height screws. A compression spring is fitted on the upper end of the guide post. A handle is installed on the upper end of the ejector plate. This invention first places the product in the fixture cavity and uses a positioning block to position the product accurately. Then, the fixture plate is placed on the upper end of the mold core and positioned with the mold core by a mold core positioning pin, also with accurate positioning. Finally, by pressing the ejector plate, the ejector plate drives the ejector block to push the product out of the fixture cavity and into the mold cavity, making material release convenient and quick, effectively improving production efficiency and preventing employees' hands from being burned by direct material release. Therefore, this invention has the advantages of novel design, simple structure, accurate positioning, convenient and quick material release, effective improvement of production efficiency, and prevention of employees' hands from being burned by direct material release. Attached Figure Description

[0010] The present invention will be further described below with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention.

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the material feeding fixture of this utility model.

[0013] exist Figure 1-2 This includes:

[0014] 1—Mold core 11—Mold cavity

[0015] 2——Discharging fixture 21——Jig plate

[0016] 22— Fixture cavity; 221— Mounting slot

[0017] 23 - Positioning Block 24 - Top-Out Block

[0018] 25 – Ejector plate; 251 – Guide post

[0019] 252 - Equal height screw; 253 - Compression spring

[0020] 26—Handle 27—Mold core positioning pin. Detailed Implementation

[0021] The present invention will now be described in conjunction with specific embodiments.

[0022] like Figure 1-2 As shown, a positioning and feeding fixture for a MIM part overmolding mold includes a mold core 1 and a feeding fixture 2. The upper end of the mold core 1 is provided with a plurality of mold cavities 11 arranged in a row. The feeding fixture 2 is provided with a fixture plate 21 corresponding to the mold core 1, and the upper end of the fixture plate 21 is provided with a fixture cavity 22 corresponding to the mold cavity 11. Positioning blocks 23 are installed on the left and right sides of the fixture cavity 22. The upper end of the fixture cavity 22 is provided with an ejector block 24 arranged vertically, and the ejector block 24 is fixedly installed on the upper end of the ejector plate 25. The ejector plate 25 is installed on the upper end of the fixture plate 21 through guide posts 251 and equalizing screws 252. A compression spring 253 is fitted on the upper end of the guide post 251, and a handle 26 is installed on the upper end of the ejector plate 25.

[0023] Furthermore, the upper end of the fixture plate 21 is equipped with a plurality of mold core positioning pins 27 arranged in a convex shape.

[0024] Furthermore, the fixture cavity 22 is provided with mounting grooves 221 on the left and right sides that correspond to and match the positioning block 23, so that the fixture cavity 22 and the mold cavity 11 are completely fitted together.

[0025] In this preferred embodiment, the positioning block 23 is made of urethane.

[0026] To be further explained, this utility model first places the product in the fixture cavity 22 and uses the positioning block 23 to position the product accurately; then, the fixture plate 21 is placed on the upper end of the mold core 11 and is positioned with the mold core 11 by the mold core positioning pin 27, which is also accurately positioned; then, by pressing the ejector plate 25, the ejector plate 25 drives the ejector block 24 to push the product out of the fixture cavity 22 and into the mold cavity 11, thus making the material release convenient and quick, effectively improving production efficiency and preventing employees' hands from being burned by direct material release; therefore, this utility model has the advantages of novel design, simple structure, accurate positioning, convenient and quick material release, effective improvement of production efficiency and prevention of employees' hands from being burned by direct material release.

[0027] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A positioning and feeding fixture for a MIM (Metal Injection Molding) part overmolding mold, characterized in that: It includes a mold core (1) and a feeding fixture (2). The upper end of the mold core (1) is provided with several mold cavities (11) arranged in a row. The feeding fixture (2) is provided with a fixture plate (21) that matches the mold core (1). The upper end of the fixture plate (21) is provided with a fixture cavity (22) that matches the mold cavity (11). The left and right sides of the fixture cavity (22) are provided with positioning blocks (23). The upper end of the fixture cavity (22) is provided with an ejector block (24) arranged vertically. The ejector block (24) is fixedly installed on the upper end of the ejector plate (25). The ejector plate (25) is installed on the upper end of the fixture plate (21) through a guide post (251) and a height equalizing screw (252). The upper end of the guide post (251) is fitted with a compression spring (253). The upper end of the ejector plate (25) is provided with a handle (26).

2. The positioning and feeding fixture for a MIM part overmolding mold according to claim 1, characterized in that: The upper end of the fixture plate (21) is equipped with several mold core positioning pins (27) arranged in a convex shape.

3. A positioning and feeding fixture for a MIM (Metal Injection Molding) part overmolding mold according to claim 1, characterized in that: The fixture cavity (22) has mounting slots (221) on its left and right sides that correspond to and match the positioning block (23).

4. A positioning and feeding fixture for a MIM (Metal Injection Molding) part overmolding mold according to claim 1, characterized in that: The positioning block (23) is made of urethane.