CN110877440A

CN110877440A - Lower die structure with product ejection function and product ejection die opening method

Info

Publication number: CN110877440A
Application number: CN201911323703.7A
Authority: CN
Inventors: 喻遵水; 张毅; 黄龙青; 陈凤芹
Original assignee: Dongguan Fangling Precision Mold Co Ltd
Current assignee: Dongguan Fangling Precision Mold Co Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-03-13
Anticipated expiration: 2039-12-20
Also published as: CN110877440B

Abstract

The invention discloses a lower die structure with a product ejection function, which comprises a substrate and a plurality of cores penetrating through the substrate, wherein a first jacking die sinking component and a second jacking die sinking component are oppositely arranged on the substrate and positioned at the periphery of the cores, the first jacking die sinking component and the second jacking die sinking component have the same structure and respectively comprise a jacking die sinking driving structure arranged on the substrate in a sliding manner and a jacking sliding seat arranged on the jacking die sinking driving structure and positioned at the outer side of the cores, the jacking die sinking driving structure mainly comprises a delay guide seat and a driving seat arranged on the substrate in a sliding manner and surrounded at the periphery of the delay guide seat, and the jacking sliding seat is fixedly connected with the driving seat; a plurality of side clamping grooves for clamping the mold core are formed in one side of the jacking sliding seat, which is close to the mold core, a cavity for forming the lower end of the product is reserved between the side clamping grooves and the mold core, and the outer side edge of the product is supported on the upper edge of the side clamping grooves. The invention also discloses a product ejection die opening method based on the lower die structure.

Description

Lower die structure with product ejection function and product ejection die opening method

Technical Field

The invention relates to the field of molds, in particular to a lower mold structure with a product ejection function and a product ejection mold opening method.

Background

In the process of forming a product by adopting an injection mold, a side glue feeding process is often used, namely, glue is fed from a large water gap. In the existing mold structure for molding a product by adopting a side-feeding glue-feeding mode, the product cannot be completely and accurately ejected after being molded, and the rapid molding of the product is influenced.

Disclosure of Invention

In view of the above disadvantages, the present invention provides a lower mold structure with a product ejection function, which has a reasonable structural design, high matching precision and precise action, and can achieve the purpose of complete and accurate ejection and mold opening of a product.

The invention also aims to provide a product ejection and die sinking method based on the lower die structure, so that the product ejection step and the die sinking step are continuously and orderly carried out, the aims of quickly and accurately ejecting and sinking the product are fulfilled, and the product is convenient to quickly machine and form.

The technical scheme adopted by the invention to achieve the aim is as follows:

a lower die structure with a product ejection function comprises a substrate and a plurality of cores penetrating through the substrate, and is characterized in that a first jacking die sinking component and a second jacking die sinking component are oppositely arranged on the substrate and positioned at the periphery of the cores, the first jacking die sinking component and the second jacking die sinking component have the same structure and respectively comprise a jacking die sinking driving structure arranged on the substrate in a sliding manner and a jacking sliding seat arranged on the jacking die sinking driving structure and positioned at the outer side of the cores, the jacking die sinking driving structure mainly comprises a delay guide seat and a driving seat arranged on the substrate in a sliding manner and surrounding the periphery of the delay guide seat, and the jacking sliding seat is fixedly connected with the driving seat; a plurality of side clamping grooves for clamping the mold core are formed in one side of the jacking sliding seat, which is close to the mold core, a cavity for forming the lower end of the product is reserved between the side clamping grooves and the mold core, and the outer side edge of the product is supported on the upper edge of the side clamping grooves.

As a further improvement of the invention, a movable penetrating opening for the penetration of the delay guide seat is formed on the driving seat, at least one inner guide inclined plane is formed on the outer wall of the delay guide seat, an outer guide inclined plane matched with the inner guide inclined plane is formed on the inner wall of the movable penetrating opening facing the inner guide inclined plane, and a delay gap is reserved between the inner guide inclined plane and the outer guide inclined plane; the inner guide inclined plane and the outer guide inclined plane are inclined from bottom to top in sequence towards the direction away from the mold core.

As a further improvement of the invention, an inner abdicating inclined plane is formed on the outer wall of the delay guide seat facing the mold core, and an outer abdicating inclined plane matched with the inner abdicating inclined plane is formed on the inner wall of the movable penetrating opening facing the inner abdicating inclined plane; the inner yielding inclined plane and the outer yielding inclined plane are inclined from bottom to top in sequence towards the direction away from the mold core.

As a further improvement of the invention, the lower part of the time delay guide seat penetrates through the base plate.

As a further improvement of the invention, an arc-shaped surface is formed at the upper part of the side edge of the jacking sliding seat close to the core.

As a further improvement of the present invention, a connecting boss is provided on a side of the driving seat near the jacking slide seat, and the jacking slide seat is fixedly arranged on the connecting boss.

As a further improvement of the invention, a plurality of sliding blocks are arranged on the base plate, and the driving seat is arranged on the sliding blocks in a sliding manner.

The product ejection die opening method based on the lower die structure is characterized by comprising the following steps of:

(1) the upper die drives the substrate to move upwards by a stroke m, the substrate drives a driving seat of the first jacking die-sinking assembly and a driving seat of the second jacking die-sinking assembly to synchronously move upwards by the stroke m with the jacking sliding seat, in the process, the mold core and the delay guide seat are static, the jacking sliding seat applies upward acting force to the product to jack the product, and the product and the mold core are loosened;

(2) the upper die continuously drives the substrate to move upwards for a stroke n, the substrate exerts an upward acting force on the moving seat, and meanwhile, under the guiding action of the delay guide seat, the driving seats on the first jacking die sinking assembly and the second jacking die sinking assembly respectively drive the jacking sliding seat to move along the direction far away from the product, namely the jacking sliding seats on the first jacking die sinking assembly and the second jacking die sinking assembly are far away from the product and are separated from each other;

(3) the product is clamped away by the manipulator.

As a further improvement of the invention, in the step (1), in the process that the substrate drives the driving seat and the jacking sliding seat to synchronously move upwards, no interaction force occurs between the driving seat and the delay guide seat due to the existence of the delay gap between the driving seat and the delay guide seat; and after the synchronous upward movement by the stroke m, the delay gap between the driving seat and the delay guide seat disappears.

As a further improvement of the present invention, in the step (2), since the delay gap between the driving seat and the delay guide seat has disappeared, the driving seat on the inner wall of the driving seat moves up along the inner guide inclined plane on the outer wall of the delay guide seat under the pushing of the substrate, so that the driving seats on the first and second jacking mold opening assemblies respectively drive the jacking slide seat to move in a direction away from the product.

The invention has the beneficial effects that:

(1) structurally, the jacking and die sinking driving structure with a special structural design is combined with the jacking sliding seat, so that the purpose of completely and accurately ejecting and sinking a product is achieved. Specifically, the driving seat in the structure is driven by the jacking die sinking to provide a driving effect for the jacking slide seat, and the delay guide seat provides a guiding effect for the moving direction of the driving seat, so that the driving seat drives the jacking slide seat to vertically move upwards to jack up a product and move towards the direction far away from the product to realize die sinking.

(2) In the process, two sections of upward moving strokes are set, in the first section of upward moving stroke, the jacking sliding seat moves upwards to apply upward acting force on the product, the product is jacked up, the product and the mold core are loosened, and the purpose of quickly and accurately ejecting the product is achieved. In the second section of upward moving stroke, under the guiding action of the delay guide seat, the driving seat drives the jacking sliding seat to move along the direction away from the product, namely, the jacking sliding seat is away from the product and is separated from the product, namely, the purpose of quickly and accurately opening the die is realized. Therefore, the continuous and orderly proceeding of the product ejection step and the mold opening step is realized, and the rapid processing and forming of the product are facilitated.

The above is an overview of the technical solutions of the present invention, and the present invention is further described below with reference to the accompanying drawings and the detailed description thereof.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the jacking slider of the present invention;

FIG. 4 is a schematic structural diagram of the combination of the jacking slide carriages in the first jacking and mold-opening assembly and the second jacking and mold-opening assembly in the invention;

FIG. 5 is a schematic view of the present invention showing the combination of the jacking slide, core and product;

FIG. 6 is a schematic structural view of the delay guide seat according to the present invention;

FIG. 7 is a schematic view of a driving seat of the present invention;

FIG. 8 is another schematic structural view of the actuator base of the present invention;

FIG. 9 is a schematic view of the lower mold structure disposed on the base.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purposes, the following detailed description of the embodiments of the present invention is provided with the accompanying drawings and the preferred embodiments.

Referring to fig. 1 to 5, an embodiment of the invention provides a lower mold structure with a product ejection function, including a substrate 1 and a plurality of cores 2 penetrating through the substrate 1, wherein a first jacking and mold opening assembly 3 and a second jacking and mold opening assembly 4 are oppositely disposed on the substrate 1 and at the periphery of the cores 2, and the first jacking and mold opening assembly 3 and the second jacking and mold opening assembly 4 have the same structure. Taking the first jacking and mold opening assembly 3 as an example for detailed description, the first jacking and mold opening assembly 3 includes a jacking and mold opening driving structure 31 slidably disposed on the substrate 1, and a jacking slide seat 32 disposed on the jacking and mold opening driving structure 31 and located outside the mold core 2, specifically, the jacking and mold opening driving structure 31 mainly includes a delay guide seat 311 and a driving seat 312 slidably disposed on the substrate 1 and surrounding the periphery of the delay guide seat 311, the jacking slide seat 32 is fixedly connected with the driving seat 312, that is, the jacking slide seat 32 moves along with the driving seat 312.

Meanwhile, as shown in fig. 3, a plurality of side clamping grooves 321 for clamping the core 2 are formed on one side of the jacking slide 32 close to the core 2, and after the first jacking and mold-opening assembly 3 is combined with the jacking slide 32 of the second jacking and mold-opening assembly 4, the side clamping grooves 321 on the two jacking slides 32 are combined to form a ring groove 320 surrounding the periphery of the core 2, as shown in fig. 4; a cavity 5 for forming the lower end of the product 10 is reserved between the side clamping groove 321 and the core 2, and the product 10 is formed in the cavity 5 and covers the periphery of the core 2; meanwhile, the outer side edge of the product 10 is supported on the upper edge of the side engaging groove 321, specifically, the step 101 integrally formed on the outer side edge of the product 10 is located on the upper edge of the side engaging groove 321, that is, the step 101 on the outer side edge of the product 10 is supported by the upper edge of the side engaging groove 321, as shown in fig. 5.

Meanwhile, as shown in fig. 3, the large water gap 30 and the glue inlet channel 40 are disposed on the jacking slide 32, and the large water gap 30 extends to the inner wall of the side slot 321 to complete the glue dispensing process.

In order to achieve the purpose of ejecting and opening the mold of the product 10, the upper mold can drive the substrate 1 to move upwards for two strokes, in the first stroke of moving upwards, the mold core 2 and the delay guide seat 311 are stationary, and the substrate 1 drives the driving seat 312 of the first jacking mold opening component 3 and the second jacking mold opening component 4 and the jacking slide seat 32 to move upwards synchronously, so that the jacking slide seat 32 applies an upward acting force to the product 10 (specifically, the step 101 on the outer side edge of the product 10) to jack up the product 10, so that the product 10 and the mold core 2 are loosened, and the purpose of ejecting the product 10 perfectly and accurately is achieved. In the second upward stroke, the substrate 1 applies an upward acting force to the driving seat 312, and meanwhile, under the guiding action of the delay guide seat 311, the driving seats 312 on the first and second jacking

mold opening assemblies

3 and 4 respectively drive the jacking slide carriage 32 to move in the direction away from the product 10, that is, the jacking slide carriages 32 on the first and second jacking

mold opening assemblies

3 and 4 are away from the product 10 and are separated from each other, so that the purpose of quickly and accurately opening the mold is achieved.

As for the combination manner of the delay guide holder 311 and the driving holder 312, as shown in fig. 6 to 8, in this embodiment, a movable penetration 3121 through which the delay guide holder 311 penetrates is formed on the driving holder 312, at least one inner guide inclined surface 3111 is formed on the outer wall of the delay guide holder 311, an outer guide inclined surface 31211 matched with the inner guide inclined surface 3111 is formed on the inner wall of the movable penetration 3121 facing the inner guide inclined surface 3111, and a delay gap 313 is reserved between the inner guide inclined surface 3111 and the outer guide inclined surface 31211. Specifically, the inner guide slope 3111 and the outer guide slope 31211 are inclined from bottom to top in the direction away from the core 2.

In the first stroke of the upper die driving the substrate 1 to move upwards, because the delay gap 313 is reserved between the driving seat 312 and the delay guide seat 311, no interaction force is generated between the driving seat and the delay guide seat; when the upward movement is completed, the delay gap 313 between the driving seat 312 and the delay guide seat 311 just disappears.

In the second stroke of the upper mold driving the substrate 1 to move upward, because the delay gap 313 between the driving seat 312 and the delay guide seat 311 has disappeared, the driving seat 312 drives the outer guide inclined surface 31211 on the inner wall of the driving seat 312 to move upward along the inner guide inclined surface 3111 on the outer wall of the delay guide seat 311 under the pushing of the substrate 1, so that the driving seats 312 on the first and second jacking

mold opening assemblies

3 and 4 respectively drive the jacking slide seat 32 to move in the direction away from the product 10.

As described above, the delay guide holder 311 does not function in the first stroke, but functions only in the second stroke, that is, functions as a delay guide. After the time required by the first stroke has elapsed (i.e. after the delay), the delay guide seat 311 is used for guiding the two jacking slide seats 32 to each other for the purpose of opening the mold.

Meanwhile, an inner yielding inclined surface 3112 is formed on the outer wall of the delay guide seat 311 facing the core 2, and an outer yielding inclined surface 31211 matched with the inner yielding inclined surface 3112 is formed on the inner wall of the movable penetration port 3121 facing the inner yielding inclined surface 3112. Specifically, the inner abdicating inclined surface 3112 and the outer abdicating inclined surface 31211 are inclined from bottom to top in sequence towards a direction away from the core 2. The inner abdicating inclined surface 3112 is matched with the outer abdicating inclined surface 31211, so that the delay guide seat 311 preferably provides a guiding function for the driving seat 312 to drive the jacking sliding seat 32 to move in a direction away from the product 10.

In order to separate the delay guide holder 311 from the substrate 1, when the substrate 1 drives the driving holder 312 to move upwards, the delay guide holder 311 does not move upwards but is stationary, and the lower portion of the delay guide holder 311 passes through the substrate 1 in this embodiment, that is, the substrate 1 can move upwards and downwards along the delay guide holder 311. Specifically, the lower end of the delay guide 311 is fixed to the base 20 below the lower mold structure after passing through the driving base 312 and the substrate 1, respectively, as shown in fig. 9.

In this embodiment, in order to match the formation of the product 10, as shown in fig. 3 to 5, an arc-shaped surface 322 is formed on the upper portion of the side of the jacking slide 32 close to the mandrel 2. The radian of the arc-shaped surface 322 is matched with the radian of the step 101 on the outer side edge of the product 10, so that the step 101 on the outer side edge of the product 10 is just formed on the arc-shaped surface 322 on the outer edge of the side clamping groove 321.

As for the combination manner of the driving seat 312 and the jacking slide 32, as shown in fig. 2, 7 and 8, in this embodiment, a connecting boss 3122 is provided on one side of the driving seat 312 close to the jacking slide 32, and the jacking slide 32 is fixedly disposed on the connecting boss 3122. Specifically, the jacking sliding seat 32 is fixed on the connecting boss 3122 by a plurality of screws, so that the jacking sliding seat 32 moves along with the driving seat 312.

In order to realize the sliding of the driving base 312 on the substrate 1, the substrate 1 is provided with a plurality of sliders 6, and the driving base 312 is slidably disposed on the sliders 6.

The embodiment of the invention also provides a product ejection die opening method based on the lower die structure, which comprises the following steps:

(1) the upper die drives the substrate 1 to move upwards by a stroke m, the substrate 1 drives the driving seat 312 of the first jacking die-sinking component 3 and the second jacking die-sinking component 4 to move upwards by the stroke m synchronously with the jacking sliding seat 32, in the process, the mold core 2 and the delay guide seat 311 are still, the jacking sliding seat 32 applies upward acting force to the product 10, the product 10 is jacked up, and the product 10 and the mold core 2 are loosened;

(2) the upper die continuously drives the substrate 1 to move upwards for a stroke n, the substrate 1 applies an upward acting force to the driving seat 312, and meanwhile, under the guiding action of the delay guide seat 311, the driving seats 312 on the first jacking die sinking assembly 3 and the second jacking die sinking assembly 4 respectively drive the jacking slide carriage 32 to move along the direction far away from the product 10, namely, the jacking slide carriages 32 on the first jacking die sinking assembly 3 and the second jacking die sinking assembly 4 are far away from the product 10 and are separated from each other;

(3) the product 10 is gripped away by the robot.

Specifically, in the step (1), in the process that the substrate 1 drives the driving seat 312 to move up synchronously with the jacking slide seat 32, no interaction force occurs between the driving seat 312 and the delay guide seat 311 due to the existence of the delay gap 313 between the two; after the synchronous upward movement by the stroke m, the delay gap 313 between the driving seat 312 and the delay guide seat 311 disappears.

The specific value of the stroke m can be set according to specific requirements, in practical application, the stroke m corresponds to the size of the delay gap 313, that is, after the driving seat 312 moves up by the stroke m, the outer guide inclined surface 31211 just contacts with the inner guide inclined surface 3111, that is, the delay gap 313 disappears. Specifically, the stroke m may be set to 20 mm, 30 mm, or the like.

Specifically, in the step (2), since the delay gap 313 between the driving seat 312 and the delay guide seat 311 has disappeared, the driving seat 312 drives the outer guide inclined surface 31211 on the inner wall of the driving seat 312 to move upwards along the inner guide inclined surface 3111 on the outer wall of the delay guide seat 311 under the pushing of the substrate 1, so that the driving seats 312 on the first and second jacking

mold opening assemblies

The specific value of the stroke n can be set according to specific requirements, and in practical application, after the stroke n is completed, the distance between the two jacking slide bases 32 on the first jacking and die sinking assembly 3 and the second jacking and die sinking assembly 4 can enable the manipulator to extend into the clamped product 10. Specifically, the stroke n may be set to 20 mm, 30 mm, or the like.

By setting two sections of upward moving strokes, in the first section of upward moving stroke, the jacking sliding seat moves upwards to apply upward acting force on the product, the product is jacked up, the product and the mold core are loosened, and the purpose of quickly and accurately ejecting the product is achieved. In the second section of upward moving stroke, under the guiding action of the delay guide seat, the driving seat drives the jacking sliding seat to move along the direction away from the product, namely, the jacking sliding seat is away from the product and is separated from the product, namely, the purpose of quickly and accurately opening the die is realized. Therefore, the continuous and orderly proceeding of the product ejection step and the mold opening step is realized, and the rapid processing and forming of the product are facilitated.

This embodiment when concrete application, need cooperate the last mould in the mould to use, go up the mould and play the supplementary effect that drives base plate 1 and shift up, can be with going up the detachable installation on base plate 1 of mould.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that other structures obtained by using the same or similar technical features as the above-described embodiments of the present invention are within the protection scope of the present invention.

Claims

1. A lower die structure with a product ejection function comprises a substrate and a plurality of cores penetrating through the substrate, and is characterized in that a first jacking die sinking component and a second jacking die sinking component are oppositely arranged on the substrate and positioned at the periphery of the cores, the first jacking die sinking component and the second jacking die sinking component have the same structure and respectively comprise a jacking die sinking driving structure arranged on the substrate in a sliding manner and a jacking sliding seat arranged on the jacking die sinking driving structure and positioned at the outer side of the cores, the jacking die sinking driving structure mainly comprises a delay guide seat and a driving seat arranged on the substrate in a sliding manner and surrounding the periphery of the delay guide seat, and the jacking sliding seat is fixedly connected with the driving seat; a plurality of side clamping grooves for clamping the mold core are formed in one side of the jacking sliding seat, which is close to the mold core, a cavity for forming the lower end of the product is reserved between the side clamping grooves and the mold core, and the outer side edge of the product is supported on the upper edge of the side clamping grooves.

2. The lower die structure with the product ejection function according to claim 1, wherein a movable through hole through which the delay guide seat passes is formed on the driving seat, at least one inner guide inclined surface is formed on an outer wall of the delay guide seat, an outer guide inclined surface matched with the inner guide inclined surface is formed on an inner wall of the movable through hole facing the inner guide inclined surface, and a delay gap is reserved between the inner guide inclined surface and the outer guide inclined surface; the inner guide inclined plane and the outer guide inclined plane are inclined from bottom to top in sequence towards the direction away from the mold core.

3. The lower die structure with the product ejection function according to claim 2, wherein an inner abdicating inclined plane is formed on the outer wall of the delay guide seat facing the core, and an outer abdicating inclined plane matched with the inner abdicating inclined plane is formed on the inner wall of the movable penetration facing the inner abdicating inclined plane; the inner yielding inclined plane and the outer yielding inclined plane are inclined from bottom to top in sequence towards the direction away from the mold core.

4. The lower die structure with product ejection function according to claim 1, wherein the lower part of the delay guide passes through the base plate.

5. The lower die structure with product ejection function according to claim 1, wherein an arc-shaped face is formed on an upper portion of a side of the jacking slide adjacent to the core.

6. The lower die structure with product ejection function according to claim 1, wherein a connecting boss is provided on a side of the driving seat near the jacking slide, and the jacking slide is fixedly disposed on the connecting boss.

7. The lower die structure with the product ejecting function as claimed in claim 1, wherein a plurality of sliding blocks are disposed on the base plate, and the driving seat is slidably disposed on the sliding blocks.

8. The method for ejecting and opening the mold for the product based on the lower mold structure of claim 2, is characterized by comprising the following steps:

(3) the product is clamped away by the manipulator.

9. The product ejection mold opening method according to claim 8, wherein in the step (1), in the process that the base plate drives the driving seat to move upwards synchronously with the jacking slide seat, no interaction force occurs between the driving seat and the delay guide seat due to the existence of the delay gap between the driving seat and the delay guide seat; and after the synchronous upward movement by the stroke m, the delay gap between the driving seat and the delay guide seat disappears.

10. The method for ejecting out and opening the mold according to claim 9, wherein in the step (2), since the delay gap between the driving seat and the delay guide seat has disappeared, the driving seat, pushed by the base plate, moves the outer guide slope on the inner wall of the driving seat up along the inner guide slope on the outer wall of the delay guide seat, so that the driving seats on the first and second ejector and mold opening assemblies respectively drive the ejector slide to move in a direction away from the product.