Mold demolding structure

By combining the moving mold opening with air blowing and high-pressure gas pushing, the problems of workpiece surface damage and safety risks during mold demolding are solved, achieving efficient and safe demolding operation.

CN223558982UActive Publication Date: 2025-11-18KUNSHAN LINGSHENG NEW TECH CO LTD
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Patent Information

Application Number
CN202423102646.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-18
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing mold demolding structures are prone to causing damage to the workpiece surface during demolding, and manual demolding poses safety risks and affects production efficiency.

Method used

While the moving mold is being pulled open, an air blowing method is used to try to detach the workpiece. If it fails to detach, an ejector block is used to push it out, and high-pressure gas and a rubber plug are used to push the mold out, avoiding direct contact with the workpiece surface.

Benefits of technology

It effectively avoids damage to the workpiece surface, improves demolding efficiency, reduces manual intervention, and ensures safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of demolding structures, and discloses a mold demolding structure which comprises an injection molding machine base, a fixing plate fixedly connected to the top end of the injection molding machine base, a supporting frame fixedly connected to the right side of the fixing plate, a push rod fixedly connected to the right side of the fixing plate, and a sliding plate arranged on the right side of the push rod in a penetrating mode. The sliding plate slides left and right in the bottom end of the supporting frame, an injection mold is fixedly connected to the right side of the sliding plate, the supporting frame is arranged on the left side of the injection mold in an embedded mode, and a transverse sliding groove is formed in the center of the interior of the injection mold. The problem that the surface of each workpiece is damaged to a certain degree due to the fact that the workpiece is ejected by the ejection plate no matter whether the workpiece is easy to demould or not, the ejection plate is driven to move through the moving stroke of the movable mould, and the workpiece is ejected by the ejection plate when the ejection plate applies force to the workpiece to enable the workpiece to fall off is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to a kind of demolding structure technical field, specifically a die demolding structure. BACKGROUND

[0002] Demoulding work needs to be carried out after pouring cooling is completed, but some pouring workpieces cannot be smoothly demoulded, and need to be manually demoulded by workers using tools, which not only easily produces danger and affects production efficiency, but also produces a wry mark on the surface of the workpiece when prying the workpiece, causing damage to the workpiece.

[0003] Meanwhile, the patent with application number 202320832314.2 discloses a die demolding structure, which includes a fixed die installed on an external casting device, a movable die slidingly connected to the fixed die, a pouring cavity formed by the movable die and the fixed die, a water inlet opened on the movable die, a pair of top blocks installed on the fixed die and located at both ends of the pouring cavity and controlled to extend and retract by the movable die, a gas blowing port opened on the top block and controlled to open and close and blow gas, and the gas blowing port is also controlled by the movable die, and the gas blowing port and the top block sequentially push the solidified casting material.

[0004] However, in the implementation of the related technology, it is found that the above-mentioned die demolding structure has the following problems: the top plate moves synchronously with the movable die to push open the workpiece, the movement of the movable die drives the movement of the top plate, the workpiece is pushed off by the top plate by exerting force on the workpiece, but whether the workpiece is easy to demold or not will be pushed by the top plate, causing damage to the surface of each workpiece, and therefore the utility model provides a die demolding structure. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the background art, the utility model provides a die demolding structure, which has the advantages of first pulling open the movable die, if the workpiece does not fall off, it will first push the workpiece by blowing, if blowing does not make the workpiece fall off, it will push the workpiece by the top block, so that the workpiece falls off, and the surface of the workpiece can be damaged as much as possible.

[0006] To achieve the above object, the utility model provides following technical scheme: A mould stripping structure, including injection molding machine base, the top fixed connection of injection molding machine base has the fixed plate, the right side fixed connection of fixed plate has the support frame, the right side fixed connection of fixed plate has the push rod, the right side of push rod is provided with the sliding plate, the other end of push rod is provided with the extrusion plate, the inside left and right of support frame bottom is slid to the sliding plate, the right side fixed connection of sliding plate has injection mould, the left side of injection mould is embedded with support frame left side, the inside center position of injection mould is equipped with horizontal slide groove, the upper and lower sides of horizontal slide groove are connected with the air inlet chamber, the outside of air inlet chamber is provided with the intercommunication chamber, the right side of horizontal slide groove is provided with the plug chamber, the right side of plug chamber is provided with injection chamber.

[0007] Preferably, the top of the injection molding machine base is fixedly connected with a abutting plate, the left side of the abutting plate is fixedly connected with a mold head, the left side of the abutting plate is fixedly connected with a thrust plate, and the extrusion plate is slidably arranged on the outside of the mold head.

[0008] Preferably, the bottom right side of the extrusion plate and the bottom left side of the thrust plate are provided with square grooves, springs are arranged in the square grooves of the extrusion plate and the thrust plate, the left side of the spring is fixedly connected to the left side of the square groove of the extrusion plate, and the other end of the spring is fixedly connected to the inside of the square groove of the thrust plate.

[0009] Preferably, the bottom of the extrusion plate is fixedly connected with an extension plate, the bottom of the extension plate is slidably provided with a limiting plate, the top of the limiting plate is provided with a sliding groove, and the extension plate is slidably arranged in the sliding groove.

[0010] Preferably, the inside of the push rod is fixedly connected with a connecting rod, the other end of the connecting rod is fixedly connected with a rubber plug, and the rubber plug is slidably arranged in the horizontal slide groove.

[0011] Preferably, the left side of the injection mold is provided with an injection chamber, and the left side of the mold head is slidably arranged in the injection chamber.

[0012] Preferably, the top of the air inlet chamber is fixedly connected with a connecting pipe, and the other end of the connecting pipe is fixedly connected with a pressure test table.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1、The utility model discloses a connecting rod is increased in the inside of injection mould, and the rubber plug is slid in the injection chamber through the connecting rod, and the mould is pushed out in the process of sliding.

[0015] 2, the utility model discloses a plurality of groups of communicating pore channels are set up in the inside of injection mold, increase pressurizing device on the outside of pore, and the injection mold is slipped from the inside of injection chamber through high pressure gas, in this process, the staff need not to use hand piece mold and come out from the inside of injection chamber. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2 It is fixed plate structure schematic diagram of the utility model;

[0018] Figure 3 It is fixed plate structure schematic diagram of the utility model;

[0019] Figure 4 It is injection chamber structure schematic diagram of the utility model.

[0020] In the drawing: 1, injection molding machine base;2, fixed plate;3, support frame;4, push rod;5, sliding plate;6, injection mold;7, pressure test table;8, connecting pipe;9, air inlet chamber;10, injection chamber;11, communicating chamber;12, horizontal sliding chute;13, extrusion plate;14, thrust plate;15, abutting plate;16, mold head;17, spring;18, limit plate;19, sliding groove;20, rubber plug;21, plug chamber;22, connecting rod;23, extension plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] As Figures 1 to 4The utility model provides a mould stripping structure, including injection molding machine base 1, the top of injection molding machine base 1 is slid and is provided with fixed plate 2, the right side fixed connection of fixed plate 2 has support frame 3, the right side fixed connection of fixed plate 2 has push rod 4, the right side of push rod 4 is provided with sliding plate 5, the other end of push rod 4 is provided with extruding plate 13 and is pressed tightly, sliding plate 5 is slid in the inside left and right of the bottom of support frame 3, the right side fixed connection of sliding plate 5 has injection mold 6, the left side of injection mold 6 is embedded and is provided with support frame 3 at left side, the inside center position of injection mold 6 is provided with horizontal slide groove 12, the upper and lower sides of horizontal slide groove 12 are provided with gas inlet chamber 9 and are connected, the outside of gas inlet chamber 9 is provided with the inside of intercommunication chamber 11 and is penetrated, the right side of horizontal slide groove 12 is provided with plug chamber 21 and is penetrated, the right side of plug chamber 21 is provided with injection chamber 10, for preventing high pressure gas overflow.

[0023] Specifically, the top of injection molding machine base 1 is fixedly welded with abutting plate 15, the left side of abutting plate 15 is fixedly connected with mold head 16, mold head 16 is used for extruding one end of the mold into a groove, the left side of abutting plate 15 is fixedly connected with thrust plate 14, extruding plate 13 is slidably arranged outside mold head 16.

[0024] Further, the bottom right side of extruding plate 13 and the bottom left side of thrust plate 14 are provided with square grooves, springs 17 are arranged in the square grooves of extruding plate 13 and thrust plate 14, after injection molding is completed, the reaction force of spring 17 pushes thrust plate 14 to slide, the left side of spring 17 is fixedly connected to the left side of the square groove of extruding plate 13, and the other end of spring 17 is fixedly connected to the inside of the square groove of thrust plate 14.

[0025] Still further, the bottom of extruding plate 13 is fixedly connected with extension plate 23, the bottom of extension plate 23 is slidably provided with limiting plate 18, the top of limiting plate 18 is provided with sliding groove 19, extension plate 23 slides left and right in the inside of sliding groove 19, and sliding groove 19 is used for limiting extruding plate 13 at the top of extension plate 23.

[0026] It is worth noting that the inside of push rod 4 is fixedly connected with connecting rod 22, the other end of connecting rod 22 is fixedly connected with rubber plug 20, and rubber plug 20 slides left and right in the inside of horizontal slide groove 12.

[0027] It is worth noting that the left side of injection mold 6 is provided with injection chamber 10 for placing injection liquid, mold head 16 is shaped with the injection liquid to form a required shape, and injection chamber 10 slides left and right to facilitate sliding out of the inside of injection chamber 10.

[0028] It is worth mentioning that the top end of the air inlet chamber 9 is fixedly connected with the connecting pipe 8, the other end of the connecting pipe 8 is fixedly connected with the pressure test table 7, and the pressure test table 7 is used for testing the pressure value in the current gas.

[0029] Wherein, the injection mold 6 and the mold head 16 are prior art, and will not be repeated; meanwhile, the utility model also includes power supply, controller and switch, which are not the main technical points of the patent, and will not be repeated; the perspective of the front, rear, left and right of the device is taken as the reference. Figure 1 The direction of the drawing is the reference.

[0030] Working principle:

[0031] Firstly, the push rod 4 on the right side of the fixed plate 2 is started, the push rod 4 pushes the sliding plate 5 to slide in the inside of the support frame 3, in the sliding process, the injection mold 6 on the right side of the sliding plate 5 is pushed to slide, in the sliding process, the thrust plate 14 pushes the extrusion plate 13 to slide to the position of the thrust plate 14, in this process, the extension plate 23 at the bottom end of the extrusion plate 13 slides to the right side in the sliding groove 19 at the top end of the limiting plate 18, and the spring 17 is extruded and deformed, when the injection mold 6 coincides with the mold head 16, the inside is injected, when the injection is completed, the fixed plate 2 slides to the left side at the top end of the injection machine base 1, in the sliding process, the injection mold 6 is driven to slide to the left side, at this time, the mold after injection is completed is in the inside of the injection chamber 10, the connecting rod 22 is started to drive the rubber plug 20 to slide to the right side at the position of the transverse sliding groove 12 in the center of the injection mold 6, in the sliding process, the connecting pipe 8 is matched to pressurize the inside of the air inlet chamber 9, the high-pressure gas flows from the inside of the air inlet chamber 9 to the inside of the communication chamber 11, and flows from the inside of the rubber plug 20 and the plug chamber 21 to the injection chamber 10, the mold is impacted by the high-pressure gas and the force generated by the rubber plug 20 to push the injection mold 6 to slide out of the inside of the injection chamber 10, and the demolding of the mold is completed.

[0032] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mold demolding structure comprising an injection molding machine base (1), characterized in that: The top end of the injection molding machine base (1) is fixedly connected with a fixed plate (2), the right side of the fixed plate (2) is fixedly connected with a support frame (3), the right side of the fixed plate (2) is fixedly connected with a push rod (4), the right side of the push rod (4) is provided with a sliding plate (5), the other end of the push rod (4) is provided with an extrusion plate (13), the sliding plate (5) slides left and right inside the bottom end of the support frame (3), the right side of the sliding plate (5) is fixedly connected with an injection mold (6), the left side of the injection mold (6) is embedded with the support frame (3) on the left side, a horizontal sliding groove (12) is formed in the inner center position of the injection mold (6), the upper and lower sides of the horizontal sliding groove (12) are provided with an air inlet chamber (9), the outer side of the air inlet chamber (9) is provided with a communication chamber (11), the right side of the horizontal sliding groove (12) is provided with a plug chamber (21), and the right side of the plug chamber (21) is provided with an injection chamber (10).

2. A mold release structure according to claim 1, wherein: The top end of the injection molding machine base (1) is fixedly connected with a fixed plate (2), the right side of the fixed plate (2) is fixedly connected with a support frame (3), the right side of the fixed plate (2) is fixedly connected with a push rod (4), the right side of the push rod (4) is provided with a sliding plate (5), the other end of the push rod (4) is provided with an extrusion plate (13), the sliding plate (5) slides left and right inside the bottom end of the support frame (3), the right side of the sliding plate (5) is fixedly connected with an injection mold (6), the left side of the injection mold (6) is embedded with the support frame (3) on the left side, a horizontal sliding groove (12) is formed in the inner center position of the injection mold (6), the upper and lower sides of the horizontal sliding groove (12) are provided with an air inlet chamber (9), the outer side of the air inlet chamber (9) is provided with a communication chamber (11), the right side of the horizontal sliding groove (12) is provided with a plug chamber (21), and the right side of the plug chamber (21) is provided with an injection chamber (10).

3. A mold release structure according to claim 2, wherein: The bottom end of the extrusion plate (13) and the bottom end of the thrust plate (14) are provided with square grooves, springs (17) are arranged in the square grooves of the extrusion plate (13) and the thrust plate (14), the left side of the spring (17) is fixedly connected to the left side of the square groove of the extrusion plate (13), and the other end of the spring (17) is fixedly connected to the inside of the square groove of the thrust plate (14).

4. A mold release structure according to claim 3, wherein: The bottom end of the extrusion plate (13) is fixedly connected with an extension plate (23), the bottom end of the extension plate (23) is slidably provided with a limiting plate (18), the top end of the limiting plate (18) is provided with a sliding groove (19), and the extension plate (23) slides left and right in the sliding groove (19).

5. The mold release structure of claim 1, wherein: The inside of the push rod (4) is fixedly connected with a connecting rod (22), the other end of the connecting rod (22) is fixedly connected with a rubber plug (20), and the rubber plug (20) slides left and right in the horizontal sliding groove (12).

6. The mold release structure of claim 2, wherein: The left side of the injection mold (6) is provided with an injection chamber (10), and the left side of the mold head (16) slides left and right in the injection chamber (10).

7. The mold release structure of claim 1, wherein: The top end of the air inlet chamber (9) is fixedly connected with a connecting pipe (8), and the other end of the connecting pipe (8) is fixedly connected with a pressure test table (7).

Citation Information

Patent Citations

  • Mold demolding structure

    CN219256207U