CN220373798U

CN220373798U - Prevent mould structure that inserts drops

Info

Publication number: CN220373798U
Application number: CN202322204982.3U
Authority: CN
Inventors: 杜玉通; 由烽; 张福强
Original assignee: Qingdao Injelic Precision Mold Co ltd
Current assignee: Qingdao Injelic Precision Mold Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-01-23
Anticipated expiration: 2033-08-16

Abstract

The application discloses a die structure for preventing an insert from falling off, which comprises a static die plate, a movable die plate and a static die elastic block part, wherein the static die elastic block part comprises a guide piece and a fixing piece; the guide piece is fixedly connected above the fixed piece, a sliding device is arranged on the side surface of the guide piece, and the guide piece is longitudinally and slidably attached to the inner wall of the first cavity by utilizing the sliding device; a plurality of insert fixing devices are arranged on the side face of the fixing piece; the insert fixing device comprises a plurality of insert pins, and reinforcing magnets are arranged in the insert pins. According to the die, the powerful magnet is fixed in the insert pin, so that the insert is not easy to drop during die assembly, and the magnet and the die are prevented from being damaged; meanwhile, the sliding direction of the guide piece is obliquely arranged relative to the direction of the insert pin, so that the static die elastic block part moves downwards and retreats at the same time when the die is opened, and the insert piece is separated from the static die elastic block part better; and thirdly, the guide piece adopts a wedge-shaped block shape with a narrow upper part and a wide lower part, so that the elastic block part of the static die can be separated from the static die core more smoothly during die opening.

Description

Prevent mould structure that inserts drops

Technical Field

The application relates to the field of injection mold structures, in particular to a mold structure for preventing an insert from falling off.

Background

In industrial production, a mold is a tool for making a molded article, which is composed of various parts, and different molds are composed of different parts. The die is a tool for forming a blank into a product with a specific shape and size under the action of external force. The alloy is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the molding processing of compression molding or injection molding of engineering plastics, rubber, ceramics and other products, and has the name of "industrial mother". With the development of society and the continuous improvement of mold technology, in order to simplify the process flow and improve the production efficiency and the precision of products, the inserts are often directly fixed on the products in the injection molding process.

In order to solve the problem, the insert is easy to drop in the process of die assembly in the existing scheme, so that the combination of a product and the insert fails in the injection molding process, and the magnet is damaged by extrusion in severe cases, so that the normal production and use of the die are affected; meanwhile, the insert cannot be well separated from the static die elastic block during die opening, so that the combination of a product and the insert fails.

Disclosure of Invention

In order to solve one of the above technical drawbacks, an embodiment of the present application provides a mold structure for preventing an insert from falling off.

According to a first aspect of embodiments of the present application, there is provided a mold structure for preventing an insert from falling off, including: a static template, a movable template and a static template elastic block part;

the static template is embedded with a static mold core, a first cavity is formed in the static mold core, and the opening direction of the first cavity is taken as the longitudinal direction;

the static die elastic block part comprises a guide piece and a fixing piece;

the guide piece is fixedly connected above the fixing piece, the guide piece is provided with a sliding device, and the guide piece is longitudinally and slidably attached to the inner wall of the first cavity by utilizing the sliding device;

the side of the fixing piece is provided with a plurality of insert fixing devices.

Preferably, a plurality of guide grooves are longitudinally formed in the inner wall of the first cavity, and the cross section of each guide groove is concave; the sliding device comprises a plurality of guide sliding rails, the cross section of each guide sliding rail is convex, the guide sliding rails are arranged on the side faces of the guide pieces, and the guide sliding rails are longitudinally matched with the guide grooves in a sliding mode along the first cavity.

Preferably, the guide member includes a second cavity and an elastic device, the second cavity opening is disposed at one end of the guide member away from the fixing member, the second cavity opening direction is taken as a longitudinal direction, and the elastic device is fixed in the second cavity along the longitudinal direction.

Preferably, the second cavity is a cylindrical cavity, the elastic device comprises a spring and a limiting rod, the spring is longitudinally fixed in the second cavity, and the limiting rod is longitudinally fixed at the top end of the spring.

Preferably, the insert fixing device comprises a plurality of insert pins, the insert pins are bar-shaped columnar bodies, one ends of the insert pins are provided with clamping protrusions which can be fixedly clamped with clamping grooves on the side faces of the fixing pieces, third cavities are formed in the insert pins, and reinforcing magnets are fixedly arranged in the third cavities.

Preferably, the included angle between the sliding direction of the guide piece and the direction of the insert pin away from one end of the clamping protrusion is smaller than 90 degrees.

Preferably, the guide member is a wedge block with a narrow upper part and a wide lower part.

Preferably, the movable mould plate is provided with a positioning groove of the fixing piece.

Compared with the prior art, the method has the following beneficial effects: firstly, the reinforced magnet is arranged in the insert pin, so that the insert is not easy to fall off in the process of die assembly, and the magnet and the die are prevented from being damaged; secondly, the sliding direction of the guide piece is obliquely arranged, so that the static die elastic block part moves downwards and simultaneously retreats when the die is opened, and the insert is better separated from the static die elastic block part; and thirdly, the guide piece adopts a wedge-shaped block shape with a narrow upper part and a wide lower part, so that the elastic block part of the static die can be separated from the static die core more smoothly during die opening.

Drawings

FIG. 1 is an exploded view of a static mold elastomeric block portion according to an embodiment of the present application;

FIG. 2 is a schematic view of a static mold spring block section according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a mold structure according to an embodiment of the present application;

fig. 4 is a schematic diagram of a movable platen die according to an embodiment of the present application;

fig. 5 is a schematic view of a static mold spring block part assembled into a mold according to an embodiment of the present application.

In the figure:

1. a static mold spring block part; 11. a guide member; 111. a sliding device; 1111. a guide rail; 112. a second cavity; 113. an elastic device; 1131. a spring; 1132. a limit rod; 12. a fixing member; 120. inserting a needle; 121. a third cavity; 122. strengthening a magnet; 123. a clamping groove; 124. the clamping bulge;

2. a static template; 20. a static mold core; 21. a first cavity; 211. a guide groove;

3. a movable template; 31. a positioning groove; 4. an insert.

Detailed Description

In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments being exhaustive. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

FIG. 1 is an exploded view of a static mold elastomeric block portion according to an embodiment of the present application; FIG. 2 is a schematic view of a static mold spring block section according to an embodiment of the present application; FIG. 3 is a schematic diagram of a mold structure according to an embodiment of the present application; fig. 4 is a schematic diagram of a movable platen die according to an embodiment of the present application; fig. 5 is a schematic view of a static mold spring block part assembled into a mold according to an embodiment of the present application.

As shown in fig. 1 to 4, embodiments of the present application provide a mold structure for preventing an insert from falling off, including: a stationary platen 2, a movable platen 3, and a stationary platen elastic block 1;

the static template 2 is embedded with a static mold core 20, a first cavity 21 is formed on the static mold core 20, and the opening direction of the first cavity 21 is longitudinal; the static die elastic block part 1 comprises a guide piece 11 and a fixing piece 12;

the guide piece 11 is fixedly connected above the fixed piece 12, the guide piece 11 is provided with a sliding device 111, and the guide piece 11 is longitudinally and slidably attached to the inner wall of the first cavity 21 by utilizing the sliding device 111;

the fixing member 12 is provided with a plurality of insert 4 fixing means on the side.

In practice, the movable mold plate 3 is used to prop against the bottom of the fixing piece 12, and the static mold elastic block part 1 is pushed in the mold closing process, so that the guide piece 11 longitudinally slides along the inner wall of the first cavity 21, and when the guide piece 11 is completely attached to the first cavity 21, the insert 4 fixing device on the fixing piece 12 carries the insert 4 to be in the injection molding position. When the mold is opened after the injection molding is completed, the guide piece 11 longitudinally slides out along the inner wall of the first cavity 21, so that the insert 4 is separated from the elastic block part of the static mold.

The embodiment of the application provides a die structure for preventing an insert from falling off, wherein a plurality of guide grooves 211 are longitudinally formed in the inner wall of a first cavity 21, and the cross section of each guide groove 211 is concave; the sliding device 111 includes a plurality of guiding rails 1111, the cross section of the guiding rail 1111 is convex, the guiding rail 1111 is disposed on the side surface of the guiding member 11, and the guiding rail 1111 and the guiding groove 211 are longitudinally slidably matched along the first cavity 21.

In practice, the guide slide rail 1111 is slidably engaged with the guide groove 211, so that the static mold elastic block portion 1 can precisely slide according to a set route during mold closing and mold opening, thereby avoiding the static mold elastic block portion 1 from shaking.

The embodiment of the application provides a mould structure for preventing inserts from falling off, the guide piece 11 includes a second cavity 112 and an elastic device 113, the second cavity 112 is opened and is arranged on the guide piece 11 and is far away from one end of the fixing piece 12, the opening direction of the second cavity 112 is taken as the longitudinal direction, and the elastic device 113 is fixed in the second cavity 112 along the longitudinal direction.

The embodiment of the application provides a die structure for preventing an insert from falling off, the second cavity 112 is a cylindrical cavity, the elastic device 113 comprises a spring 1131 and a limiting rod 1132, the spring 1131 is longitudinally fixed in the second cavity 112, and the limiting rod 1132 is longitudinally fixed at the top end of the spring 1131.

In practice, the spring 1131 is disposed in the second cavity 112, and when the mold is closed, the movable mold plate 3 pushes against the bottom of the fixing member 12, so as to push the static mold elastic block portion 1, so that the guide member 11 is completely attached to the first cavity 21. At this time, the stop rod 1132 at the top end of the spring 1131 abuts against the bottom of the first cavity 21 and is compressed and stored with energy, and when the die is opened, the spring 1131 elastically pushes out the guide member 11 along the longitudinal direction of the first cavity 21 during the process of releasing energy along with the release of the movable die plate 3.

The embodiment of the application provides a prevent mould structure that inserts drops, insert 4 fixing device is including a plurality of mold inserts 120, mold insert 120 is the bar column, mold insert 120 one end be provided with the joint protruding 124 can with the joint groove 123 joint of mounting 12 side is fixed, the inside third cavity 121 of having seted up of mold insert 120, third cavity 121 internal fixation is provided with reinforces magnet 122.

In practice, the insert pin 120 is fastened and fixed on the side surface of the fixing member 12, and the long end of the insert pin 120 is perpendicular to the side surface of the fixing member 12. The reinforcing magnet 122 is disposed in the third cavity, so as to prevent the reinforcing magnet 122 from being damaged by the insert 4.

The embodiment of the application provides a die structure for preventing an insert from falling off, wherein an included angle between a sliding direction of the guide piece 11 and a direction of one end of the insert pin 120 away from the clamping protrusion 124 is smaller than 90 degrees.

In implementation, when the mold is opened, the guide 11 slides out of the first cavity 21, and by using an included angle between the sliding direction of the guide 11 and the direction of the insert 120 away from one end of the clamping protrusion 124, which is smaller than 90 degrees, the static mold elastic block portion 1 is driven to withdraw downward and backward at the same time, so that the insert 120 is separated from the insert 4 backward while downward, and the bias cutting force of the insert 4 is prevented from being excessively large.

Embodiments of the present application provide a mold structure for preventing an insert from falling off, and the guide 11 is a wedge block with a narrow upper part and a wide lower part.

In practice, the guide member 11 is configured as a wedge block with a narrow upper part and a wide lower part, so that the static mold elastic block portion 1 can be separated from the static mold core 20 more smoothly during mold opening, and the friction force between the static mold elastic block portion 1 and the first cavity 21 during separation can be effectively reduced.

The embodiment of the application provides a die structure for preventing the insert from falling off, and the movable die plate 3 is provided with a positioning groove 31 of the fixing piece 12.

In the implementation, during the mold closing, the bottom of the fixing member 12 of the static mold elastic block portion 1 is placed on the positioning groove 31, the movable mold plate 33 presses the static mold elastic block portion 1 to push into the static mold core 20, and the positioning groove 31 can make the relative position of the static mold elastic block portion 1 more accurate.

In the description of the present application, it should be understood that the terms "longitudinal," "upper," "lower," "top," "bottom," "inner," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "coupled," "secured" and the like are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims

1. A mold structure for preventing an insert from falling off, comprising: a static template, a movable template and a static template elastic block part;

the static die elastic block part comprises a guide piece and a fixing piece, and is movably sleeved with the first cavity;

the guide piece is fixedly connected above the fixing piece, a sliding device is arranged on the side face of the guide piece, and the guide piece is longitudinally and slidably attached to the inner wall of the first cavity by the aid of the sliding device;

a plurality of insert fixing devices are arranged on the side face of the fixing piece; the insert fixing device comprises a plurality of insert pins, and reinforcing magnets are arranged in the insert pins.

2. The mold structure for preventing the insert from falling off as claimed in claim 1, wherein a plurality of guide grooves are longitudinally formed in the inner wall of the first cavity, and the cross section of each guide groove is concave; the sliding device comprises a plurality of guide sliding rails, the cross section of each guide sliding rail is convex, the guide sliding rails are arranged on the side faces of the guide pieces, and the guide sliding rails are longitudinally matched with the guide grooves in a sliding mode along the first cavity.

3. The insert-drop preventing die structure as claimed in claim 1, wherein the guide member includes a second cavity and an elastic means, the second cavity opening is provided at an end of the guide member remote from the fixing member, the second cavity opening is longitudinal, and the elastic means is fixed in the second cavity in the longitudinal direction.

4. A die structure for preventing an insert from falling off as claimed in claim 3, wherein the second cavity is a cylindrical cavity, and the elastic means comprises a spring and a limit lever, the spring is longitudinally fixed in the second cavity, and the limit lever is longitudinally fixed at the top end of the spring.

5. The mold structure for preventing an insert from falling off according to claim 1, wherein the insert is a bar-shaped column, a clamping protrusion is arranged at one end of the insert and is clamped and fixed with a clamping groove on the side surface of the fixing piece, a third cavity is formed in the insert, and the strengthening magnet is fixedly arranged in the third cavity.

6. The insert-preventing die structure as claimed in claim 5, wherein the angle between the sliding direction of the guide member and the direction of the insert pin away from the end of the engaging projection is smaller than 90 degrees.

7. A mold structure for preventing insert drop-out as in claim 1, wherein said guide member is a wedge having a narrow upper portion and a wide lower portion.

8. The mold structure for preventing insert from falling off as claimed in claim 1, wherein the moving platen is provided with a positioning groove of the fixing member.