CN219427331U

CN219427331U - Slipper upper mold

Info

Publication number: CN219427331U
Application number: CN202320419299.9U
Authority: CN
Inventors: 陈敏
Original assignee: Badong County Yezhou Shoe Industry Co ltd
Current assignee: Badong County Yezhou Shoe Industry Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-07-28
Anticipated expiration: 2033-03-08

Abstract

The utility model discloses a slipper upper mold, which relates to the field of injection molds, and comprises a movable mold connected with a driving unit and a fixed mold matched with the movable mold, wherein a mold cavity for injection molding an upper surface is formed between the fixed mold and the movable mold, four guide posts for moving the movable mold are integrally formed on the fixed mold, an injection port is formed on the movable mold, and the four guide posts are of a hollow structure; the inner cavity of the guide post is provided with a moving mechanism connected with the thimble unit, and the moving mechanism comprises a sliding post and a stress disc. According to the utility model, the ejector mechanism is arranged on the fixed die by arranging the moving mechanism, and synchronous movement after die opening is realized in the moving process of the movable die, and the ejector unit can be driven to move in the moving process of the movable die, so that the ejector mechanism is simple in structure, difficult to break down and convenient to maintain, and can eject an injection product.

Description

Slipper upper mold

Technical Field

The utility model relates to the field of injection molds, in particular to a slipper upper mold.

Background

The plastic mould is a tool matched with a plastic forming machine in the plastic processing industry and endows plastic products with complete configuration and accurate size.

The sandal comprises a sole and an upper surface, wherein the upper surface is a plastic piece coated at the instep position, in the prior art, the sandal has an integral injection molding mode and also has a split injection molding mode, and the post assembly mode specifically comprises: the sole and the upper surface are respectively injection molded, corresponding hanging lugs are molded on the upper surface, corresponding hanging buckles are molded on the sole, and the upper surface and the sole can be connected after the hanging lugs are connected with the hooks.

The injection molding of the upper surface of the upper is carried out by the mold, the upper surface of the upper is required to be ejected by the ejection mechanism, in the prior art, the ejection mechanism is various according to the form of a product, but in the most core mode, the ejection mechanism ejects the injection molding part through displacement during mold opening, the ejection mechanism of the existing ejection mechanism is generally arranged on the movable mold, and the ejection mechanism and the movable mold move in opposite directions during mold opening of the movable mold, so that the ejection effect is realized, the kinetic energy of opposite movement is realized by an additional driving unit, or the aim of reversing movement is realized by a gear and other parts, the structure is relatively complex, the cost is higher, and the maintenance is also inconvenient.

Disclosure of Invention

The utility model aims at: in order to solve the problems in the background technology, a slipper upper mold is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the slipper upper surface mold comprises a movable mold connected with a driving unit and a fixed mold matched with the movable mold, wherein a mold cavity for injection molding of an upper surface is formed between the fixed mold and the movable mold, four guide posts for moving the movable mold are integrally formed on the fixed mold, an injection molding opening is formed on the movable mold, and the four guide posts are of a hollow structure;

the inner cavity of the guide post is provided with a moving mechanism connected with the thimble unit, and the moving mechanism comprises a sliding post and a stress disc;

the sliding column is connected to the inner cavity of the guide column in a sliding manner, and the bottom end of the moving mechanism is connected with the thimble unit;

the force-bearing disc is integrally formed at the other end part of the sliding column, and the outer diameter of the force-bearing disc is larger than that of the guide column, so that the aim of driving the thimble unit to move in the moving process of the movable mould is fulfilled.

As still further aspects of the utility model: the thimble unit comprises a fixed plate and a thimble;

the fixing plates are fixedly connected to the bottom ends of the four sliding columns, and the ejector pins are distributed on the end faces of the fixing plates and used for driving the injection molding piece to be demolded;

when the ejector pin is in an unextended state, the top end face of the moving mechanism is flush with the bottom end of the cavity inner cavity face of the fixed die.

As still further aspects of the utility model: the driving unit is one of a hydraulic cylinder, an air cylinder or an electric push rod and is used for driving the movable mould to displace along the outer wall of the guide post.

As still further aspects of the utility model: the fixed die is characterized in that a groove body for the fixed plate to move is formed in the fixed die.

As still further aspects of the utility model: the bottom eccentric position department circumference shaping of atress dish has downwardly extending's protruding portion, and the circumference setting protruding portion is located the outer wall of guide post, and with the guide post does not contact.

As still further aspects of the utility model: the protruding parts are of telescopic structures, and the telescopic structures of the protruding parts are fixedly connected through locking bolts.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up moving mechanism, set up ejection mechanism on fixed mould to at movable mould removal in-process, realize the synchronous motion after the die sinking, at movable mould removal in-process, can realize driving ejecting unit and remove, thereby with the ejecting operation of injection molding product, its simple structure is difficult for breaking down, the maintenance of being convenient for, and the scalable protruding portion of atress board can be according to specific production condition, if: the thickness of the product is quickly adjusted, and the product is more convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram illustrating the connection between a moving mechanism and an ejector unit according to the present utility model;

FIG. 3 is a schematic view showing the sliding connection between the tank and the fixing plate according to the present utility model;

fig. 4 is a cross-sectional view of the movement mechanism of the present utility model.

In the figure: 1. setting a mold; 2. a movable mold; 3. a mold cavity; 4. an injection molding port; 5. a guide post; 6. a moving mechanism; 601. a sliding column; 602. a force-bearing plate; 7. a fixing plate; 8. and (5) a thimble.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the embodiment of the present utility model, a slipper upper mold comprises a movable mold 2 connected with a driving unit, and a fixed mold 1 closing the movable mold 2, wherein a mold cavity 3 for injection molding an upper surface is formed between the fixed mold 1 and the movable mold 2, four guide posts 5 for moving the movable mold 2 are integrally formed on the fixed mold 1, an injection port 4 is formed on the movable mold 2, and the four guide posts 5 are in a hollow structure;

the inner cavity of the guide post 5 is provided with a moving mechanism 6 connected with the thimble unit, and the moving mechanism 6 comprises a sliding post 601 and a force-bearing disc 602;

the sliding column 601 is connected with the inner cavity of the guide column 5 in a sliding way, and the bottom end of the moving mechanism 6 is connected with the thimble unit;

the force-bearing disc 602 is integrally formed at the other end of the sliding column 601, and the outer diameter of the force-bearing disc 602 is larger than that of the guide column 5, so that the aim of driving the thimble unit to move in the moving process of the movable die 2 is fulfilled.

In this embodiment: firstly, when the mold is closed, a driving unit (the driving unit is one of a hydraulic cylinder, an air cylinder or an electric push rod and is used for driving the movable mold 2 to move along the outer wall of the guide post 5) drives the movable mold 2 to move towards the fixed mold 1, at the moment, the movable mold 2 moves along the outer wall of the guide post 5 until the mold closing of the fixed mold 1 and the movable mold 2 is completed, the injection molding machine injects raw materials into the mold cavity 3 through the injection molding opening 4 to form the upper surface of the slipper, after the injection molding is completed and the slipper is cooled, the driving unit drives the movable mold 2 to move upwards again to realize mold opening operation, after the movable mold 2 and the force-bearing disc 602 move upwards, the force-bearing disc 602 drives the sliding post 601 to move upwards, and the sliding post 601 drives the ejector pin unit to move upwards, at the moment, and the ejector pin unit drives the injection molded upper surface to move out of the mold cavity 3 to complete, so that ejection and demolding operations are completed, and simple ejection operation flows are realized.

Referring to fig. 2, the ejector pin unit includes a fixing plate 7 and an ejector pin 8;

the fixed plate 7 is fixedly connected to the bottom ends of the four sliding columns 601, and the ejector pins 8 are distributed on the end face of the fixed plate 7 and used for driving the injection molding piece to perform demolding;

when the ejector pin 8 is in an unextended state, the top end surface of the moving mechanism 6 is flush with the bottom end of the cavity surface of the die cavity 3 on the fixed die 1.

In this embodiment: when the sliding column 601 moves under the action of the movable mold 2, the fixed plate 7 is driven to move synchronously therewith, the ejector pins 8 are driven to extend, the upper surface after injection molding is ejected, and when the sliding column 601 resets, the end parts of the ejector pins 8 are flush with the bottom end of the inner cavity surface of the mold cavity 3, so that the ejector pins 8 can be prevented from affecting injection molding products.

Referring to fig. 3, a slot for moving the fixing plate 7 is formed in the fixed mold 1.

In this embodiment: in the moving process of the fixing plate 7, the groove body provides a moving track for the fixing plate 7, so that the problem that the fixing plate 7 cannot move smoothly due to blocking is solved.

Referring to fig. 4, a protruding portion extending downward is formed at an eccentric position of a bottom end of the force disc 602 in a circumferential direction, the protruding portion is disposed on an outer wall of the guide post 5 and is not in contact with the guide post 5, the protruding portion is in a telescopic structure, and the telescopic structures of the protruding portions are fixedly connected through locking bolts.

In this embodiment: the setting of protruding portion can realize: the effect of driving the ejection unit to move can be achieved without moving the movable die 2 to the limit position, so that the ejection demoulding effect of the injection product is achieved, and the telescopic length of the protruding part can be adjusted.

The working principle of the utility model is as follows: firstly, when the mold is closed, a driving unit (the driving unit is one of a hydraulic cylinder, an air cylinder or an electric push rod and is used for driving the movable mold 2 to move along the outer wall of the guide post 5) drives the movable mold 2 to move towards the fixed mold 1, at the moment, the movable mold 2 moves along the outer wall of the guide post 5 until the mold closing of the fixed mold 1 and the movable mold 2 is completed, the injection molding machine injects raw materials into the mold cavity 3 through the injection molding opening 4 to form the upper surface of the slipper, after the injection molding is completed and the slipper is cooled, the driving unit drives the movable mold 2 to move upwards again to realize mold opening operation, after the movable mold 2 and the force-bearing disc 602 move upwards, the force-bearing disc 602 drives the sliding post 601 to move upwards, and the sliding post 601 drives the ejector pin unit to move upwards, at the moment, and the ejector pin unit drives the injection molded upper surface to move out of the mold cavity 3 to complete, so that ejection and demolding operations are completed, and simple ejection operation flows are realized.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The slipper upper mold comprises a movable mold (2) connected with a driving unit and a fixed mold (1) for closing the movable mold (2), wherein a mold cavity (3) for injection molding the upper surface is formed between the fixed mold (1) and the movable mold (2), four guide posts (5) for moving the movable mold (2) are integrally formed on the fixed mold (1), and an injection molding opening (4) is formed on the movable mold (2), and the slipper upper mold is characterized in that the four guide posts (5) are of a hollow structure;

the inner cavity of the guide column (5) is provided with a moving mechanism (6) connected with the thimble unit, and the moving mechanism (6) comprises a sliding column (601) and a stress disc (602);

the sliding column (601) is connected to the inner cavity of the guide column (5) in a sliding manner, and the bottom end of the moving mechanism (6) is connected with the thimble unit;

the force-bearing disc (602) is integrally formed at the other end part of the sliding column (601), and the outer diameter of the force-bearing disc (602) is larger than that of the guide column (5), so that the aim of driving the thimble unit to move in the moving process of the movable die (2) is fulfilled.

2. The slipper upper mold according to claim 1, characterized in that said ejector pin unit comprises a fixing plate (7) and ejector pins (8);

the fixing plates (7) are fixedly connected to the bottom ends of the four sliding columns (601), and the ejector pins (8) are distributed on the end faces of the fixing plates (7) and used for driving the injection molding piece to be demolded;

when the ejector pin (8) is in an unextended state, the top end surface of the moving mechanism (6) is flush with the bottom end of the inner cavity surface of the die cavity (3) on the fixed die (1).

3. The slipper upper mold according to claim 1, characterized in that said driving unit is one of a hydraulic cylinder, an air cylinder or an electric push rod, and is used for driving the movable mold (2) to displace along the outer wall of the guide post (5).

4. The slipper upper surface mold according to claim 2, characterized in that a groove body for the fixing plate (7) to move is provided in the inside of the fixed mold tool (1).

5. The slipper upper surface mold according to claim 1, characterized in that a downward extending protruding part is formed circumferentially at the bottom eccentric position of the force-bearing plate (602), and the protruding part arranged circumferentially is located at the outer wall of the guide post (5) and is not in contact with the guide post (5).

6. The sandal upper mold as described in claim 5 wherein said protrusions are of telescoping construction, said telescoping construction of said protrusions being fixedly connected by locking bolts.