CN216860475U

CN216860475U - Injection mold for molding mouse shell

Info

Publication number: CN216860475U
Application number: CN202220340069.9U
Authority: CN
Inventors: 李鹏
Original assignee: Dongguan Jubang Plastic Mould Co ltd
Current assignee: Dongguan Jubang Plastic Mould Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-01
Anticipated expiration: 2032-02-18

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold for molding a mouse shell, which comprises a panel, an A plate, a B plate, an ejector plate and a bottom plate which are sequentially arranged from top to bottom, wherein the A plate and the B plate are assembled to form a cavity, a glue injection nozzle is arranged on the panel and is communicated with the cavity, a sliding block capable of sliding close to or far away from the cavity is arranged on the B plate, the sliding block is positioned on the side part of the cavity and is arranged corresponding to the concave arcs on the two sides of the mouse shell, the front end part of the sliding block is matched with the concave arcs on the two sides of the mouse shell, a shovel capable of driving the sliding block to slide is embedded in the A plate, the position of the shovel is arranged corresponding to the position of the sliding block, when the mold is assembled, the shovel pushes the sliding block to move close to the cavity, when the mold is opened, the shovel is separated from the sliding block, and the sliding block moves away from the cavity. This injection mold can realize loosing core and the die sinking goes on in step, improves work efficiency by a wide margin.

Description

Injection mold for molding mouse shell

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for molding a mouse shell.

Background

At present, the commonly used injection mold comprises a panel, an A plate, a B plate, an ejector plate and a bottom plate which are sequentially arranged from top to bottom, materials are injected through an injection nozzle after the A plate and the B plate are assembled to form a cavity, and after molding, the A plate and the B plate are opened and a product in the cavity is ejected by an ejector pin.

The two side parts of the mouse shell are in the shape of an inwards concave arc, when the mouse shell is subjected to injection molding in the prior art, a core-pulling mechanism is arranged on the side part of a mold and comprises a sliding block and an oil cylinder for driving the sliding block to move, the size of the sliding block is matched with the size of the inwards concave arc, and when the mold is closed, the oil cylinder drives the sliding block to enter a cavity to be injected at the position corresponding to the inwards concave arc. However, according to the design of the core-pulling structure, before mold opening, the oil cylinder is used for pulling the slide block into the core, the mold can be opened, and meanwhile, the action of the oil cylinder is slow, so that the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injection mold for molding a mouse shell, which can realize synchronous core pulling and mold opening and greatly improve the working efficiency aiming at the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an injection mold for mouse shell shaping, includes panel, A board, B board, thimble board and the bottom plate that from top to bottom sets gradually, the A board with the B board compound die forms the die cavity, the injecting glue mouth has been seted up on the panel, the injecting glue mouth with the die cavity intercommunication, be equipped with on the B board and be close to or keep away from the gliding slider of die cavity, the slider is located the lateral part of die cavity and corresponds the indent arc setting of mouse shell both sides, the preceding tip of slider and the indent arc looks adaptation of mouse shell both sides, the embedded shovel machine that can drive the slider gliding of being equipped with of A board, the position of shovel machine with the position of slider corresponds the setting, and during the compound die, the shovel machine pushes away the slider and is close to the die cavity motion, and during the die sinking, shovel machine and slider separation, the die cavity motion is kept away from to the slider.

In the technical scheme, the sliding block comprises a sliding block body and an end sliding block, the end sliding block is located at the front end of the sliding block body and is close to the cavity, and the end sliding block can be driven by the shovel machine to slide so that the end sliding block can be connected with the sliding block body in a sliding mode.

In the technical scheme, the slider body is provided with a through hole, the end portion slider is connected with the slider body through the connecting rod, the rear end portion of the connecting rod is located at the through hole, the part, located in the slider body, of the connecting rod is sleeved with the spring, and the bottom of the shovel machine is provided with the oblique inserted rod matched with the through hole.

In the technical scheme, square irons are arranged on two sides of the ejector plate, and the upper end and the lower end of each square iron are connected with the B plate and the bottom plate respectively.

In the technical scheme, the panel, the plate A, the plate B, the square iron and the bottom plate are connected by positioning columns which run through four corners of the die from top to bottom.

Among the above-mentioned technical scheme, the thimble board includes upper ejector plate and lower ejector plate that stacks up from top to bottom and set up, upper ejector plate with connect through canceling release mechanical system between the B board, be equipped with a plurality of thimbles on the upper ejector plate, the thimble can follow upper ejector plate up-and-down motion and stretch into fill the base shell with ejecting fashioned wireless in the die cavity.

In the above technical scheme, the reset mechanism includes a first guide pillar and a reset spring, the first guide pillar vertically penetrates the upper ejector plate from the bottom of the upper ejector plate upwards and then is connected with the B plate, the reset spring is sleeved on the first guide pillar, and two ends of the reset spring are respectively abutted to the upper ejector plate and the B plate.

In the above technical solution, the bottom plate is provided with a plurality of second guide pillars, the second guide pillars penetrate through the lower ejector plate and the upper ejector plate from bottom to top and extend out to enable the lower ejector plate and the upper ejector plate to penetrate through the second guide pillars, and the lower ejector plate and the upper ejector plate vertically move upward along the second guide pillars to enable the ejector pins to extend into the cavity.

The utility model has the beneficial effects that:

according to the injection mold disclosed by the utility model, when the mold is closed, the shovel machine can drive the sliding block to slide to the cavity to the concave arc positions corresponding to the two sides of the mouse shell, so that the two sides of the mouse shell subjected to injection molding are provided with the concave arc structures, when the mold is opened, the shovel machine is separated from the sliding block, the sliding block is reset, the synchronous operation of mold opening and core pulling is realized, and the working efficiency is obviously improved.

Drawings

FIG. 1 is a schematic structural diagram of an injection mold in the example.

FIG. 2 is a schematic view of a part of the structure of the injection mold in the embodiment.

FIG. 3 is a schematic view of the mold clamping structure of the shovel machine and the slide block.

FIG. 4 is an exploded view of the shovel and the slider.

Reference numerals:

panel 1, reference column 11, injecting glue mouth 12, A board 2, B board 3, thimble board 4, go up thimble board 41, thimble board 42 down, square iron 5, bottom plate 6, second guide pillar 61, slider 7, slider body 71, tip slider 72, through-hole 73, connecting rod 74, shovel machine 8, oblique inserted bar 81, canceling release mechanical system 9, first guide pillar 91, reset spring 92.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood, however, that the description herein of specific embodiments is only for the purpose of illustrating the utility model and is not to be taken as a limitation on the utility model.

Injection mold, as shown in fig. 1, including panel 1, A board 2, B board 3, thimble board 4 and the bottom plate 6 that from top to bottom sets gradually, the both sides of thimble board 4 are equipped with square iron 5, and B board 3 and bottom plate 6 are connected respectively to the upper and lower both ends of square iron 5, and A board 2 and B board 3 compound die form the die cavity, have seted up injecting glue mouth 12 on the panel 1, injecting glue mouth 12 and die cavity intercommunication. During injection molding, the panel 1, the plate A2, the plate B3, the square iron 5 and the bottom plate 6 are stacked and pressed up and down by a common mold closing mechanism (not shown in the figure) in the prior art, the panel 1, the plate A2, the plate B3, the square iron 5 and the bottom plate 6 are connected by positioning columns 11 penetrating through four corners of the mold from top to bottom, so that the plate A2 and the plate B3 are accurately positioned and closed to form a cavity, then materials are injected into the cavity by an injection nozzle 12, and after molding, the plate A2 and the plate B3 are separated and ejected by opening the mold by a common mold opening mechanism (not shown in the figure) in the prior art, so that a molded product can be obtained.

The injection mold of this embodiment is used for mouse shell shaping, because mouse shell is the arc of indent, consequently, as shown in fig. 2-4, this embodiment is equipped with gliding slider 7 on B board 3, slider 7 is located the lateral part of die cavity and corresponds the indent arc setting of mouse shell both sides, the front end of slider 7 and the indent arc looks adaptation of mouse shell both sides, the embedded shovel machine 8 that can drive slider 7 gliding that is equipped with of A board 2, the position of shovel machine 8 corresponds the setting with the position of slider 7. Specifically, as shown in fig. 3-4, the slider 7 includes a slider body 71 and an end slider 72, the end slider 72 is located at the front end of the slider body 71 and is close to the cavity, a through hole 73 is formed in the slider body 71, the end slider 72 is connected with the slider body 71 through a connecting rod 74, the rear end of the connecting rod 74 is located at the through hole 73, a spring is sleeved on a portion of the connecting rod 74 located in the slider body 71, and an inclined insertion rod 81 matched with the through hole 73 is arranged at the bottom of the shovel machine 8. When the die is closed, the inclined insertion rod 81 at the bottom of the shovel machine 8 is inserted into the through hole 73, the connecting rod 74 moves towards the cavity due to the insertion of the inclined insertion rod 81, the end sliding block is pushed to move to the position, corresponding to the concave arc shapes on the two sides of the mouse shell, in the cavity, and meanwhile the spring is compressed. The mold opening mechanism is used for mold opening after injection molding, the plate A2 is separated from the plate B3, meanwhile, the shovel machine 8 moves upwards to drive the inclined insertion rod 81 to leave the through hole 73, the spring provides damping to enable the connecting rod 74 to reset, and the end sliding block 72 leaves the cavity, so that core pulling and mold opening are carried out synchronously, and the working efficiency is greatly improved.

The injection mold of this embodiment can be used for a mouse shell of at every turn shaping, and then slider 7 is provided with two relatively, and corresponds the indent arc of mouse shell both sides respectively, and correspondingly, shovel machine 8 also corresponds and sets up two. In order to improve the production efficiency, two or more mouse shells can be simultaneously injection-molded, and the number of the sliding blocks 7 and the shovel machines 8 is correspondingly increased.

The ejector mechanism of the embodiment is specifically shown in fig. 1, the ejector plate 4 includes an upper ejector plate 41 and a lower ejector plate 42 which are stacked up and down, a plurality of ejectors (not shown in the figure) are arranged on the upper ejector plate 41, a plurality of second guide pillars 41 are arranged on the bottom plate 6, the second guide pillars 61 penetrate through the lower ejector plate 42 and the upper ejector plate 41 from bottom to top and extend out to enable the lower ejector plate 42 and the upper ejector plate 41 to penetrate through the second guide pillars 61, and the lower ejector plate 42 and the upper ejector plate 41 move vertically and upward along the second guide pillars 61 to enable the ejectors to extend into the cavity to eject the formed mouse shell. After the injection molding is completed, the mold opening mechanism is used for opening the mold, the plate a 2 is separated from the plate B3, meanwhile, the shovel machine 8 moves upwards to drive the inclined insertion rod 81 to leave the through hole 73, the spring provides damping to reset the connecting rod 74, the end sliding block 72 leaves the cavity, so that core pulling and mold opening are carried out synchronously, the ejection driving mechanism (generally using an oil cylinder in the prior art, not shown in the figure) drives the lower ejector plate 42 and the upper ejector plate 41 to move vertically upwards along the second guide pillar 61, and the ejector pins extend into the cavity, so that the formed mouse shell is ejected.

In order to avoid that the upper ejector plate 41 collides with the B plate 3 to affect the product forming effect in the process that the lower ejector plate 42 and the upper ejector plate 41 move upward, a vertically extending limit column is arranged on the upper ejector plate 41.

Go up between thimble board 41 and the B board 3 and be connected through canceling release mechanical system 9, specifically, canceling release mechanical system 9 includes first guide pillar 91 and reset spring 92, and first guide pillar 91 is connected with B board 3 after going up thimble board 41 from the bottom of going up thimble board 41 is vertical upwards to run through, and reset spring 92 cover is established on first guide pillar 91 and its both ends are the butt respectively and are gone up thimble board 41 and B board 3. After the product is ejected, the ejection driving mechanism retracts the driving force for the lower ejector plate 42 and the upper ejector plate 41, and the lower ejector plate 42 and the upper ejector plate 41 move downwards and drive the ejector pins to move downwards by the damping provided by the return spring 92, so that the product is reset.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides an injection mold for mouse shell shaping, includes panel, A board, B board, thimble board and the bottom plate that from top to bottom sets gradually, the A board with B board compound die forms the die cavity, the injecting glue mouth has been seted up on the panel, the injecting glue mouth with the die cavity intercommunication, its characterized in that:

be equipped with on the B board and can be close to or keep away from the gliding slider of die cavity, the slider is located the lateral part of die cavity and corresponds the indent arc setting of mouse shell both sides, the front end portion of slider and the indent arc looks adaptation of mouse shell both sides, the embedded shovel machine that can drive the slider gliding that is equipped with of A board, the position of shovel machine with the position of slider corresponds the setting, and during the compound die, the shovel machine impels the slider to be close to the die cavity motion, and during the die sinking, shovel machine and slider separation, the die cavity motion is kept away from to the slider.

2. The injection mold for molding the mouse shell according to claim 1, wherein: the slider comprises a slider body and an end slider, the end slider is positioned at the front end of the slider body and is close to the cavity, and the end slider can be driven by the shovel machine to slide so that the end slider can be slidably connected with the slider body.

3. The injection mold for molding the mouse shell according to claim 2, wherein: the shovel is characterized in that a through hole is formed in the slider body, the end portion slider is connected with the slider body through a connecting rod, the rear end portion of the connecting rod is located at the through hole, a spring is sleeved on the portion, located in the slider body, of the connecting rod, and an oblique insertion rod matched with the through hole is arranged at the bottom of the shovel.

4. The injection mold for molding the mouse shell according to claim 1, wherein: and square irons are arranged on two sides of the ejector plate, and the upper end and the lower end of each square iron are respectively connected with the B plate and the bottom plate.

5. The injection mold for molding the mouse shell according to claim 4, wherein: the panel, the plate A, the plate B, the square iron and the bottom plate are connected by positioning columns which run through four corners of the die from top to bottom.

6. The injection mold for molding the mouse shell according to claim 1, wherein: the thimble board includes the last thimble board and the lower thimble board of range upon range of setting from top to bottom, go up the thimble board with connect through canceling release mechanical system between the B board, upward be equipped with a plurality of thimbles on the thimble board, the thimble can follow the thimble board up-and-down motion and stretch into fill the base shell with ejecting fashioned wireless in the die cavity.

7. The injection mold for molding the mouse shell according to claim 6, wherein: the reset mechanism comprises a first guide pillar and a reset spring, the first guide pillar vertically penetrates through the upper ejector plate from the bottom of the upper ejector plate upwards and then is connected with the plate B, the reset spring is sleeved on the first guide pillar, and two ends of the reset spring are respectively abutted to the upper ejector plate and the plate B.

8. The injection mold for molding the mouse shell according to claim 6, wherein: the bottom plate is provided with a plurality of second guide pillars, the second guide pillars penetrate through the lower ejector plate and the upper ejector plate from bottom to top and extend out to enable the lower ejector plate and the upper ejector plate to penetrate through the second guide pillars, and the lower ejector plate and the upper ejector plate vertically move upwards along the second guide pillars to enable the ejector pins to extend into the cavity.