CN211194791U - Precious support injection mold charges - Google Patents

Abstract

A precious support injection mold charges includes mould body, goes up mold core, lower mold core, shaping frame and a plurality of barb. The die body comprises an upper die and a lower die, a positioning cavity is formed in the center of the upper die, an upper die core is arranged in the positioning cavity, a lower die core is arranged on the lower die, a forming frame comprises a plurality of limiting joints and a plurality of slide blocks, and the upper die core, the lower die core and the slide blocks jointly enclose a die cavity; an inclined guide rail is arranged on the limiting section, a sliding groove is formed in the slide block, and the outer wall of the inclined guide rail is attached to the inner wall of the sliding groove; a plurality of barbs are mounted on the upper die. Divide into mould benevolence into mould core, lower mould core, three main part of shaping frame, and go up mould core and shaping frame and all be located last mould, leave the product along with last mould when the drawing of patterns, only provide support to it by lower mould core, avoid the product to be contacted the scratch by its peripheral component when the drawing of patterns, and only need lift the product off lower mould core and can realize the drawing of patterns, reduced the stroke of thimble, reduce the volume of power mould, improved mould job stabilization nature.

Description

Precious support injection mold charges

Technical Field

The utility model relates to a mould especially relates to a precious support injection mold charges.

Background

The die refers to various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. Particularly, for products such as shells which are complicated in shape, have many internal structures and are inconvenient to cut, the production efficiency can be improved by using a die for processing.

As shown in fig. 1, the support 20 for a charge pal includes a bottom case 21 and a frame 22, the support 20 for a charge pal is a box-shaped structure with an open end, the frame 22 is formed by a cavity defined by a lower mold and a slide mechanism disposed on the lower mold, and the slide mechanism disposed on the lower mold is driven by an upper mold. Wherein, in order to hold the treasured and satisfy the wiring demand of charging, its thickness is great, frame 22's width is big promptly, there is the difficulty in drawing of patterns in-process, the thimble needs longer moving distance to be enough with product lifting to safe drawing of patterns height promptly, otherwise when taking out the product, the product can be by lower mould benevolence and line position subassembly scratch, it is too big to have led to the lower mould volume like this, need be equipped with independent ejecting component and satisfy the drawing of patterns needs, increase mould cost of manufacture, and because thimble stroke is longer during the drawing of patterns, lead to the precious support 20 damage of charging in the drawing of patterns in-process easily.

Therefore, how to optimize the existing mold, reduce the stroke of the thimble in the demolding process, and avoid damaging the injection molding product in the demolding process is a problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a precious support injection mold charges, carrying out the sectional type design to the mould benevolence structure, cut apart into the multistage with mould benevolence so that make the shaping component avoid the product shell in the drawing of patterns, provide enough space for the product drawing of patterns, and then reduced the stroke of thimble, improved the success rate that the mould was moulded plastics.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a precious support injection mold charges includes: the mold comprises a mold body, an upper mold core, a lower mold core, a molding frame and a plurality of barbs;

the die body comprises an upper die and a lower die, a positioning cavity is formed in the center of the upper die, and an opening of the positioning cavity faces the lower die;

the upper mold core is arranged on the bottom surface of the positioning cavity;

the lower mold core is arranged on the lower mold and is positioned right below the upper mold core;

the forming frame comprises a plurality of limiting joints and a plurality of slide blocks, the limiting joints are arranged around the upper mold core, one slide block is arranged between every two adjacent limiting joints, and the upper mold core, the lower mold core and the slide blocks jointly enclose a cavity;

an inclined guide rail is arranged on the outer wall of the limiting joint, the inclined guide rail extends from one end, close to the bottom surface of the positioning cavity, of the limiting joint to the opening direction of the positioning cavity, a sliding groove is formed in the outer wall of the slide block, and the outer wall of the inclined guide rail is attached to the inner wall of the sliding groove;

it is a plurality of the barb install in go up on the mould, and be a plurality of the barb all is located on the edge in location chamber, it is a plurality of the barb one-to-one with a plurality of the outer wall butt of slide block.

In one embodiment, a limiting groove is formed in the outer wall of the slide block, the barb faces the limiting groove, and the barb is used for abutting against the inner wall of the limiting groove.

In one embodiment, the length of the limiting groove is 2 times the thickness of the barb.

In one embodiment, the mold body further includes a plurality of mold opening buckles and a plurality of stoppers, the stoppers are mounted at the bottoms of the slide blocks in a one-to-one correspondence, the mold opening buckles are mounted on the lower mold, and the mold opening buckles are buckled with the stoppers in a one-to-one correspondence.

In one embodiment, the bottom of the slide block is provided with a clearance groove, and the stop block is positioned in the clearance groove.

In one embodiment, the width of the clearance groove is larger than the thickness of the die button.

In one embodiment, the number of the row sliders is 4.

In one embodiment, the upper mold core is provided with a plurality of sub-runners, and the plurality of sub-runners are communicated with the cavity.

In one embodiment, each of the row sliders is provided with a cooling channel.

In one embodiment, the upper die is provided with a plurality of avoiding holes, and the plurality of cooling channels are communicated with the plurality of avoiding holes in a one-to-one correspondence manner.

Above-mentioned precious support injection mold charges is through setting up the mould body, go up the mold core, the mold core down, become frame and a plurality of barb, fall into mold core with mould benevolence, the mold core down, become the three main part of frame, and go up the mold core and become the frame and all be located last mould, leave the product along with last mould when the drawing of patterns, only provide the support to it by lower mold core, avoid the product to be by its peripheral component contact scratch when the drawing of patterns, and only need lift the product off the lower mold core and can realize the drawing of patterns, the stroke of thimble has been reduced, reduce the volume of power mould, the stability of mould work has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a charger cradle;

fig. 2 is a schematic structural view of an injection mold for a support of a charger according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a mold core in the injection mold for a charge pal stand shown in fig. 2;

fig. 4 is a schematic view of an internal structure of an injection mold for a support of a charger in a mold closing state according to an embodiment of the present invention;

fig. 5 is the utility model discloses an embodiment of an internal structure schematic diagram when precious support injection mold charges carries out the die sinking.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 2, an injection mold 10 for an injection molding of a support 20 for a power bank includes: the mold comprises a mold body 100, an upper mold core 200, a lower mold core 300, a molding frame 400 and a plurality of barbs 500. Mould body 100 sets up on the injection molding machine, injection molding machine drive mould body 100 action of moulding plastics, go up mold core 200, lower mold core 300 and shaping frame 400 cooperation are enclosed into die cavity 600 and are used for supplying the cooling shaping of molten plastic, set up through segmenting mold core, frame 22 for treasured support 20 that charges provides sufficient removal space, avoid taking out precious support 20 in-process frame 22 that charges and scrape the component that bumps on the mould and lead to the product to warp, guarantee the preparation quality of product, and reduce the required too high height of precious support 20 that charges in the drawing of patterns process, the required activity stroke of thimble has been reduced, the volume of mould has effectively been reduced.

The die body 100 comprises an upper die 110 and a lower die 120, wherein a positioning cavity is formed in the center of the upper die 110, and the opening of the positioning cavity faces the lower die 120; the upper die 110 and the lower die 120 are installed on an injection molding machine, the upper die 110 is located right above the lower die 120, the upper die 110 is driven by the injection molding machine to ascend or descend so as to realize die closing and die opening of the die body 100, ejector pins are arranged in the lower die 120, and when injection molding is completed, the ejector pins extend under the driving of the injection molding machine to lift the formed charger baby support 20 for demolding.

Referring to fig. 3 and 4, the upper mold core 200 is mounted on the bottom surface of the positioning cavity; the lower mold core 300 is disposed on the lower mold 120, and the lower mold core 300 is located right below the upper mold core 200; the forming frame 400 comprises a plurality of limiting joints 410 and a plurality of slide blocks 420, the limiting joints 410 are arranged around the upper mold core 200, a slide block 420 is arranged between every two adjacent limiting joints 410, when the mold body 100 is in a mold closing state, the upper mold core 200, the lower mold core 300 and the slide blocks 420 jointly enclose a mold cavity 600, namely, the mold cavity 600 is composed of the upper mold core 200, the lower mold core 300 and the slide blocks 420. The number of the line sliders 420 is adjusted according to the shape of the product, and the number of the line sliders 420 is 4 in this embodiment.

Referring to fig. 4, a cavity defined by the top surfaces of the upper mold core 200 and the lower mold core 300 is used for forming the bottom case 21, and a cavity defined by the side surfaces of the plurality of slide blocks 420 and the lower mold core 300 is used for forming the frame 22. And in the process of opening the mold, the upper mold core 200 and the molding frame 400 both ascend with the upper mold 110 and are away from the lower mold core 300.

Referring to fig. 3, an inclined guide rail 411 is arranged on the outer wall of the limiting node 410, the inclined guide rail 411 extends from one end of the limiting node 410 close to the bottom surface of the positioning cavity to the opening direction of the positioning cavity, a sliding groove 421 is arranged on the outer wall of the slide block 420, and the outer wall of the inclined guide rail 411 is attached to the inner wall of the sliding groove 421; that is, the slide block 420 can slide along the inclined guide rail 411 relative to the stopper 410.

Referring to fig. 5, specifically, in the mold opening process, the injection molding machine drives the upper mold 110 to ascend, the upper mold core 200 and each limit node 410 are far away from the lower mold core 300 along with the ascending of the upper mold 110, and in the initial stage of the ascending of the upper mold 110, the slide block 420 is kept attached to the lower mold 120 under the action of inertia, and in this way, the limit node 410 ascends relative to the slide block 420 and horizontally moves in the direction far away from the side surface of the lower mold core 300 under the guidance of the inclined guide rail 411, so that the slide block 420 releases the frame 22 of the charge pal stand 20.

The barbs 500 are mounted on the upper die 110, the barbs 500 are all located on the edge of the positioning cavity, and the barbs 500 are abutted to the outer walls of the slide blocks 420 in a one-to-one correspondence. The barb 500 rises with the upper die 110, and after the slide block 420 is released from the frame 22 of the charger baby support 20, the barb 500 just contacts the outer wall of the slide block 420 and carries the slide block 420 with it to rise with the upper die 110.

The working principle of the charger baby support 20 is described as follows:

in an initial state, the upper die 110 and the lower die 120 are separated from each other and are in a die opening state, the upper die 110 is positioned right above the lower die 120, the upper die core 200 and the plurality of slide blocks 420 jointly enclose a semi-closed cavity, and the opening of the cavity faces the lower die core 300; under this state, the slide block 420 descends to its downward sliding limit position under the action of gravity, i.e. the end far away from the positioning cavity, and the slide block 420 is located at the end far away from the center of the upper mold 110 under the action of the inclined guide rail 411, and the barb 500 abuts against the outer wall of the slide block 420 to fix it on the upper mold 110.

When injection molding is performed, the upper mold 110 is lowered, the slide block 420 is first brought into contact with the lower mold 120, and the lower mold 120 supports the slide block 420.

Next, the upper mold 110 continues to descend, the upper mold core 200 and the position-limiting joint 410 therein continue to descend, while the slide 420 and the lower mold 120 maintain contact, and since the position-limiting joint 410 descends relative to the slide 420, the inclined guide rail 411 pushes the slide 420 to horizontally move towards the center position close to the upper mold 110, so that each slide 420 moves close to the lower mold core 300, and when the upper mold 110 contacts the lower mold 120, the upper mold core 200, the lower mold core 300 and the plurality of slides 420 together enclose a mold cavity 600, as shown in fig. 4.

Then, the injection molding machine injects the molten plastic into the cavity 600, and after cooling and molding, the mold opening action is performed;

the injection molding machine drives the upper die 110 to ascend, the limiting joint 410 and the upper die core 200 leave the lower die 120 along with the upper die 110, the slide block 420 is kept attached to the lower die 120 under the action of inertia, and the limiting joint 410 ascends relative to the slide block 420 and horizontally moves in the direction away from the side face of the lower die core 300 under the guide of the inclined guide rail 411, so that the slide block 420 loosens the frame 22 of the charger baby support 20, as shown in fig. 5.

Then, the barb 500 hooks the slide block 420, and drives the slide block 420 to ascend together and to be away from the lower die 120, so as to complete die sinking;

at this time, the formed support 20 of the charger is exposed in the air, the ejector pin in the lower die 120 is driven by the injection molding machine to extend out, the support 20 of the charger is lifted away from the lower die core 300, and after the support 20 of the charger is taken away, the die is closed again to prepare for next injection molding.

Referring to fig. 4, in an embodiment, the outer wall of the slide block 420 is formed with a limiting groove 422, the barb 500 is disposed toward the limiting groove 422, and the barb 500 is used for abutting against the inner wall of the limiting groove 422. At the initial stage of the raising of the upper mold 110, the barb 500 slides in the stopper groove 422, and when the barb 500 abuts against the inner wall of the stopper groove 422, the slide block 420 is raised together therewith. The length of the retaining groove 422 is 2 times the thickness of the barb 500. The retaining groove 422 provides a sliding space for the barb 500.

Further, referring to fig. 4, in order to facilitate mold opening and prevent the slide blocks 420 from being stuck during mold opening, the mold body 100 further includes a plurality of mold opening buckles 130 and a plurality of stoppers 140, the stoppers 140 are correspondingly installed at the bottoms of the slide blocks 420, the mold opening buckles 130 are installed on the lower mold 120, and the mold opening buckles 130 are correspondingly buckled with the stoppers 140. When the mold is opened, the mold opening buckle 130 provides a pulling force for the slide block 420, so that the slide block 420 slides downwards relative to the limiting section 410, and is separated from the mold opening buckle 130 in the process of transverse movement under the action of the inclined guide rail 411, thereby ensuring the normal operation of the mold opening process.

The bottom of the slide block 420 is provided with a clearance groove 423, the stopper 140 is located in the clearance groove 423, and the groove width of the clearance groove 423 is greater than the thickness of the mold release buckle 130.

Referring to fig. 3, in order to ensure the injection molding quality, the upper mold core 200 is provided with a plurality of sub-runners 210, the plurality of sub-runners 210 are all communicated with the mold cavity 600, each slide block 420 is provided with a cooling channel 424, the upper mold 110 is provided with a plurality of clearance holes 111, and the plurality of cooling channels 424 are communicated with the plurality of clearance holes 111 in a one-to-one correspondence.

Above-mentioned precious support injection mold charges is through setting up mould body 100, go up mold core 200, lower mold core 300, become frame 400 and a plurality of barb 500, divide into mold core 200 with mould benevolence, lower mold core 300, become three main part of frame 400, and go up mold core 200 and become frame 400 and all be located mould 110, leave the product along with last mould 110 when the drawing of patterns, only provide the support to it by lower mold core 300, avoid the product by its peripheral component contact scratch when the drawing of patterns, and only need lift the product off from lower mold core 300 and can realize the drawing of patterns, the stroke of thimble has been reduced, reduce the volume of power mould, the stability of mould work has been improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a precious support injection mold charges which characterized in that includes:

the die comprises a die body, a die body and a die core, wherein the die body comprises an upper die and a lower die, a positioning cavity is formed in the center of the upper die, and an opening of the positioning cavity faces the lower die;

the upper mold core is arranged on the bottom surface of the positioning cavity;

the lower mold core is arranged on the lower mold and is positioned right below the upper mold core;

the forming frame comprises a plurality of limiting joints and a plurality of slide blocks, the limiting joints are arranged around the upper mold core, one slide block is arranged between every two adjacent limiting joints, and the upper mold core, the lower mold core and the slide blocks jointly enclose a cavity;

an inclined guide rail is arranged on the outer wall of the limiting joint, the inclined guide rail extends from one end, close to the bottom surface of the positioning cavity, of the limiting joint to the opening direction of the positioning cavity, a sliding groove is formed in the outer wall of the slide block, and the outer wall of the inclined guide rail is attached to the inner wall of the sliding groove;

the barb is installed on the last mould, and is a plurality of the barb all is located on the edge in location chamber, and is a plurality of the barb one-to-one with a plurality of the outer wall butt of slide block.

2. The treasured support injection mold charges as claimed in claim 1, wherein the slide block has a limiting groove opened on an outer wall thereof, the barb is disposed toward the limiting groove, and the barb is used for abutting against an inner wall of the limiting groove.

3. The treasured support injection mold charges as claimed in claim 2, wherein the length of spacing groove is 2 times the barb thickness.

4. The treasured support injection mold that charges of claim 1, wherein the mould body still includes a plurality of open mould buckles and a plurality of dog, a plurality of the dog one-to-one install in the bottom of a plurality of slide blocks, a plurality of open mould buckles all install on the lower mould, and a plurality of open mould buckles one-to-one with a plurality of the dog lock.

5. The treasured support injection mold that charges of claim 4, wherein, empty groove has been seted up to the bottom of slide, the dog is located in the empty groove of keeping away.

6. The treasured support injection mold that charges of claim 5, characterized in that, the groove width of avoiding the dead slot is greater than the thickness of opening the mould and detaining.

7. The treasured support injection mold charges of claim 1, wherein there are 4 slide blocks in the line.

8. The treasured support injection mold that charges of claim 1, wherein, a plurality of subchannel have been seted up on the upper mold core, a plurality of the subchannel all with the die cavity intercommunication.

9. The treasured charging support injection mold of claim 1, wherein each slide block is provided with a cooling channel.

10. The treasured support injection mold that charges of claim 9, wherein, a plurality of aversion hole have been seted up to the last mould, a plurality of cooling channel one-to-one with a plurality of the aversion hole intercommunication.

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