CN216760616U

CN216760616U - Injection mold of wire threading box

Info

Publication number: CN216760616U
Application number: CN202122569820.0U
Authority: CN
Inventors: 马胜; 孙宽; 毕爱琴
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-06-17
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold of a reinforcement wire box. This wear injection mold of muscle line box, including cover half, movable mould and slip subassembly, the cover half is provided with the cover half core, the movable mould is provided with the activity and inserts, the cover half the movable mould the slip subassembly the cover half core the activity is inserted the cooperation and is formed the die cavity, there is fashioned muscle line box of wearing in the die cavity, the activity insert with the bottom surface of wearing the muscle line box contacts. The injection mold of the reinforcement wire box has a simple structure, and is stable and reliable in action, the movable insert is in contact with the bottom surface of the reinforcement wire box, and the reinforcement wire box is directly ejected out by the movable insert during demolding, so that ejection marks cannot be left on a product, and the surface quality of the product is higher.

Description

Injection mold of wire threading box

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold of a reinforcement wire box.

Background

The injection mold is a tool for producing plastic products, generally comprises a movable mold and a fixed mold, along with the innovation and development of the times, various plastic products with various shapes are continuously produced, the structure of the mold is continuously complicated, and the requirement on the design of the mold is continuously improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold of a reinforcement wire box, wherein a movable insert is in contact with the bottom surface of the reinforcement wire box, and the reinforcement wire box is directly ejected out by the movable insert during demolding, so that ejection marks cannot be left on a product, and the surface quality of the product is high.

In order to achieve the advantages, the injection mold of the reinforcement wire box comprises a fixed mold, a movable mold and a sliding assembly, wherein the fixed mold is provided with a fixed mold core, the movable mold is provided with a movable insert, the fixed mold, the movable mold, the sliding assembly, the fixed mold core and the movable insert are matched to form a mold cavity, a formed reinforcement wire box is arranged in the mold cavity, and the movable insert is in contact with the bottom surface of the reinforcement wire box.

In one embodiment of the injection mold of the reinforcement wire box, the fixed mold comprises an upper fixing plate and a fixed mold plate fixedly connected with the upper fixing plate, and the fixed mold core is fixed on the fixed mold plate.

In one embodiment of the injection mold of the reinforcement wire box, the movable mold comprises a lower fixing plate, a pair of mold legs, an ejector plate arranged between the pair of mold legs, a base plate and a movable mold plate, wherein the lower fixing plate penetrates through the mold legs and the base plate through bolts to be connected and fixed with the movable mold plate.

In one embodiment of the injection mold of the reinforcement wire box, the injection mold of the reinforcement wire box further comprises an ejection mechanism and an ejection reset mechanism, the ejection mechanism comprises an ejector pin and an ejector rod which are fixed on the ejector plate, the ejector rod penetrates through the base plate to be connected with the movable insert, and the ejector pin corresponds to the flow passage and is used for ejecting the flow passage; the ejecting reset mechanism comprises an ejector plate guide column, an elastic piece and a support column, wherein the elastic piece and the support column are sleeved outside the ejector plate guide column, the ejector plate guide column is fixed on the ejector plate, and the support column is fixed on the lower fixing plate.

In one embodiment of the injection mold of the stringing box of the present invention, the elastic member is a spring.

In one embodiment of the injection mold of the reinforcement wire box, the movable insert is connected with the movable template in a sliding manner and moves between a molding position and an ejection position under the driving of the ejector rod.

In one embodiment of the injection mold of the reinforcement wire box, the sliding assembly comprises a sliding block, a sliding block base and a sliding block positioning seat, the sliding block is fixed on the sliding block base, the sliding block base is connected with the movable template in a sliding mode, and the sliding block positioning seat is fixed on the fixed template; when the movable die moves from a die assembly position to a die opening position, the slide block moves from a die locking position to a die releasing position; when the movable die is in a die assembly state, the sliding block positioning seat is abutted against the sliding block base to prevent the sliding block from moving.

In an embodiment of the injection mold of the tendon-threading box, the injection mold of the tendon-threading box further comprises a driving device for driving the sliding block base to slide.

In an embodiment of the injection mold of the reinforcement threading box, the driving device is an inclined guide pillar, and the inclined guide pillar is fixed on the slide block positioning seat or the fixed mold plate.

In an embodiment of the injection mold of the reinforcement wire box, the glue feeding mode of the injection mold of the reinforcement wire box is latent glue feeding, and the glue feeding port is arranged on the movable template.

In the utility model, the injection mold of the reinforcement wire box has a simple structure, and the action is stable and reliable, the movable insert is contacted with the bottom surface of the reinforcement wire box, and the reinforcement wire box is directly ejected out by the movable insert during demolding, so that ejection marks cannot be left on a product, and the surface quality of the product is higher.

In the utility model, an additional driving structure is not needed during demoulding, the ejector pin plate is pushed by the ejector rod of the injection molding machine, and the demoulding action is simple and efficient.

In the utility model, the bar penetrating hole of the bar penetrating wire box is arranged on the sliding block, so that the core is not easy to deform and bend.

Drawings

Fig. 1 is a schematic structural view of an injection mold of a tendon-threading box according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of an injection mold of the stringing box of FIG. 1.

FIG. 3 is a schematic structural diagram of a fixed mold of an injection mold of the stringing box of FIG. 1.

FIG. 4 is a schematic structural view of a movable mold of an injection mold of the thread passing box of FIG. 1.

FIG. 5 is a schematic structural view of a sliding assembly of an injection mold of the thread passing box of FIG. 1.

Fig. 6 is a schematic view of the structure of a slider of the sliding assembly of fig. 5.

FIG. 7 is a schematic view showing a connecting structure of a movable insert of a movable die of an injection mold of the thread passing box of FIG. 1.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; of course, mechanical connection and electrical connection are also possible; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-2, the injection mold for a reinforcement threading box according to the first embodiment of the present invention includes a fixed mold, a movable mold, a sliding assembly, an ejection mechanism, and an ejection resetting mechanism. The fixed die is provided with a fixed die core 201, the movable die is provided with a movable insert 301, the fixed die, the movable die, the sliding assembly, the fixed die core 201 and the movable insert 301 are matched to form a die cavity a, a formed rib penetrating wire box 100 is arranged in the die cavity a, and the movable insert 301 is in contact with the bottom surface of the rib penetrating wire box 100. In this embodiment, the quantity of die cavity a is provided with two, and the plastic injection mold of wearing muscle line box advances gluey mode for advancing glue in hiding, advances gluey mouthful and sets up on movable mould board 3. The flow passage b is S-shaped.

Referring to fig. 3-4, the fixed mold comprises an upper fixing plate 1 and a fixed mold plate 2 fixedly connected to the upper fixing plate 1, and the fixed mold core 201 is fixed to the fixed mold plate 2. The movable mould comprises a lower fixing plate 7, a pair of mould feet 6, an ejector plate 5 arranged between the pair of mould feet 6, a backing plate 4 and a movable mould plate 3, wherein the lower fixing plate 7 penetrates through the mould feet 6 and the backing plate 4 through bolts to be connected and fixed with the movable mould plate 3. The base plate 4 is used for avoiding excessive resetting of the movable insert 301, and ensuring that the movable insert 301 is in a forming position after resetting.

The ejection mechanism comprises a plurality of ejector pins 81 and ejector rods 82, wherein one ends of the ejector pins 81 and the ejector rods 82 are respectively fixed on the ejector plate 5 and move along the die opening direction or the die closing direction along with the ejector plate 5. The other end of the ejector rod 82 penetrates through the base plate 4 to be connected with the movable insert 301, and the other end of the ejector pin 81 penetrates through the base plate 4 and the corresponding flow passage b of the movable template 3 to be used for ejecting the flow passage b. The ejecting resetting mechanism comprises an ejector plate guide post 83, an elastic part 84 sleeved outside the ejector plate guide post 83 and a support post 85, one end of the ejector plate guide post 83 is fixed on the ejector plate 5, and the other end of the ejector plate guide post movably penetrates through the backing plate 4 and the movable template 3. The supporting columns 85 are fixed on the lower fixing plate 7 and used for movably guiding the ejector plate 5 and avoiding the deformation of the movable template 3 and the backing plate 4 due to stress.

Preferably, the elastic member 84 is a spring. The backing plate 4 is provided with a through hole through which the spring passes, and the movable template 3 is provided with a blind hole for accommodating part of the spring.

Referring to fig. 2 and 7, the movable insert 301 is slidably connected to the movable platen 3 and driven by the ejector rod 82 to move between a molding position and an ejection position along a mold opening or closing direction of the movable mold.

Referring to fig. 5-6, the sliding assembly includes a sliding block 91, a sliding block base 92, and a sliding block positioning seat 93, the sliding block 91 is fixed on the sliding block base 92, the sliding block base 92 is slidably connected with the movable mold plate 3, and the sliding block positioning seat 93 is fixed on the fixed mold plate 2. When the movable mold moves from the mold clamping position to the mold opening position, the slide block 91 moves from the mold clamping position to the mold releasing position. When the movable mold is in a mold closing state, the slider positioning seat 93 abuts against the slider base 92, and the slider 91 is prevented from moving.

A pair of sliders 91 is fixed on a slider base 92, and the contact ends of the sliders 91 which are symmetrical to each other are respectively provided with a protrusion 911 and a recess 912 which are matched with each other. The protrusion 911 and the recess 912 cooperate to facilitate reliable repositioning of the slider 91.

In this embodiment, the sliding assemblies are a pair and are arranged in a central symmetry manner.

The injection mold of the stringing box further comprises a driving device for driving the sliding block base 92 to slide.

Preferably, the driving device is an inclined guide post 94, and the inclined guide post 94 is fixed on the slider positioning seat 93. The slider base 92 is provided with a cross-guide post hole 921 for mating with the cross-guide post 94.

In other embodiments of the present invention, the angle guide post 94 may also be fixed to the stationary platen 2.

The working principle of the injection mold of the reinforcement wire box is as follows:

after injection molding is finished, firstly, the movable mold moves from a mold closing position to a mold opening position, in the moving process, the slide block positioning seat 93 is gradually separated from the slide block base 92, and the inclined guide post 94 drives the slide block base 92 to drive the slide block 91 to move from the mold closing position to the mold releasing position until the slide block 91 moves to the mold releasing position; and then the ejector plate 5 is pushed to drive the movable insert 301 on the ejector rod 82 to directly eject the reinforcement threading box 100 out of the die, so that the demolding is completed. Meanwhile, the ejector pin plate 5 drives the ejector pins 81 to eject the waste on the flow channel b out of the mold, and the latent glue inlet is automatically disconnected in the ejection process. In the process that the ejector plate 5 is pushed, the spring is compressed, so that after the ejector plate 5 is ejected, the force for pushing the ejector plate 5 is released, the ejector plate 5 drives the ejector rod 82 and the ejector pin 81 to reset under the elastic acting force of the spring, then the movable die moves from the die opening position to the die closing position, and in the moving process, the inclined guide post 94 drives the slider base 92 to drive the slider 91 to move from the die opening position until the slider 91 moves to the die locking position; when the movable mold moves to the mold clamping position, the slider positioning seat 93 abuts against the slider base 92.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. The utility model provides an injection mold who wears muscle line box, includes cover half, movable mould and slip subassembly, its characterized in that, the cover half is provided with the cover half core, the movable mould is provided with the activity and inserts, the cover half the movable mould the slip subassembly the cover half core the activity is inserted the cooperation and is formed the die cavity, there is fashioned muscle line box that wears in the die cavity, the activity insert with the bottom surface of wearing muscle line box contacts.

2. The injection mold of the reinforcement wire box according to claim 1, wherein the fixed mold comprises an upper fixing plate and a fixed mold plate fixedly connected with the upper fixing plate, and the fixed mold core is fixed on the fixed mold plate.

3. The injection mold for the reinforcement wire box according to claim 2, wherein the movable mold comprises a lower fixed plate, a pair of mold legs, an ejector plate arranged between the pair of mold legs, a base plate and a movable mold plate, and the lower fixed plate is fixedly connected with the movable mold plate by penetrating through the mold legs and the base plate through bolts.

4. The injection mold of the reinforcement wire box according to claim 3, further comprising an ejection mechanism and an ejection reset mechanism, wherein the ejection mechanism comprises an ejector pin and an ejector rod fixed on the ejector plate, the ejector rod penetrates through the backing plate to be connected with the movable insert, and the ejector pin is used for ejecting the flow channel corresponding to the flow channel; the ejecting reset mechanism comprises an ejector plate guide column, an elastic piece and a support column, wherein the elastic piece and the support column are sleeved outside the ejector plate guide column, the ejector plate guide column is fixed on the ejector plate, and the support column is fixed on the lower fixing plate.

5. The injection mold of the stringing box as claimed in claim 4, wherein the elastic member is a spring.

6. The injection mold of the reinforcement threading box as claimed in claim 4, wherein the movable insert is slidably connected to the movable mold plate and is driven by the ejector rod to move between a molding position and an ejecting position.

7. The injection mold of the reinforcement wire threading box as claimed in claim 3, wherein the sliding assembly comprises a sliding block, a sliding block base and a sliding block positioning seat, the sliding block is fixed on the sliding block base, the sliding block base is slidably connected with the movable template, and the sliding block positioning seat is fixed on the fixed template; when the movable die moves from a die closing position to a die opening position, the slide block moves from a die locking position to a die releasing position; when the movable die is in a die assembly state, the sliding block positioning seat is abutted against the sliding block base to prevent the sliding block from moving.

8. The injection mold of the wire threading box as claimed in claim 7, further comprising a driving device for driving the sliding block base to slide.

9. The injection mold of the reinforcement threading box as claimed in claim 8, wherein the driving device is an inclined guide post fixed on the slide positioning seat or the fixed mold plate.

10. The injection mold of the reinforcement threading box as claimed in claim 3, wherein the glue feeding mode of the injection mold of the reinforcement threading box is latent glue feeding, and the glue feeding port is arranged on the movable template.