CN216442976U

CN216442976U - Mould cover half inner buckle demoulding structure and mould

Info

Publication number: CN216442976U
Application number: CN202122198658.6U
Authority: CN
Inventors: 钱正军; 李培源; 吴雅迪
Original assignee: Tsp Shanghai Precision Tooling Co ltd
Current assignee: Tsp Shanghai Precision Tooling Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-05-06
Anticipated expiration: 2031-09-10

Abstract

The embodiment of the utility model provides a die fixed die inner buckle demoulding structure and a die, and belongs to the field of die demoulding. The mould cover half inside-buckling demoulding structure comprises: the fixed die core is arranged above a die cavity for molding a product; the movable mould core is arranged below a mould cavity for molding a product and is used for being matched with the fixed mould core to form the mould cavity; the two inner buckle demoulding mechanisms are arranged on two sides of the cavity to form the side wall of the cavity and are symmetrical about the center line of the cavity. This demoulding structure can effectively reduce the mould space, reduces mould parting line and segment difference, effectively controls product quality and mould input cost.

Description

Mould cover half inner buckle demoulding structure and mould

Technical Field

The utility model relates to the technical field of mold demoulding, in particular to a fixed mold inner buckle demoulding structure of a mold and the mold.

Background

The plastic mold is an important apparatus for mass production of various industrial plastic products. In the age of rapid and efficient development of industry, the dependence and requirements of various industries on plastics are increasingly increased, wherein the industries comprise the fields of aviation, aerospace, electronics, machinery, ships, automobiles, home furnishing and the like. With the rise of the plastic, part of conventional metal and wood parts are replaced by the plastic in a large quantity, and the product needs to keep certain delivery quantity and quality stability due to large market demand, so that the plastic mold has high requirements. Because the product inside-buckling mould usually processes demoulding through the inside-contracting slide block, the demoulding structure occupies larger space and more parting lines appear on the surface of the product, which affects the appearance and the function of the product.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to provide a demoulding structure of a fixed die inner buckle of a mould and the mould, wherein the demoulding structure can effectively reduce the mould space, reduce the parting line and the section difference of the mould and effectively control the product quality and the mould input cost.

In order to achieve the above object, in one aspect, the present invention provides a mold cover half inside-buckle demolding structure, including:

the fixed die core is arranged above a die cavity for molding a product;

the movable mould core is arranged below a mould cavity for molding a product and is used for being matched with the fixed mould core to form the mould cavity;

two interior knot demoulding mechanism, set up in the both sides of die cavity are in order to form the lateral wall of die cavity and about the central line central symmetry of die cavity include:

the fixed die elastic block integrated piece is arranged on the upper part of the side wall, is in contact with the fixed die core through an inclined surface and is used for moving towards the cutting direction of the inclined surface when die assembly is carried out;

the movable die elastic block integrated piece is arranged at the bottom of the fixed die elastic block integrated piece, is in contact with the top of the movable die core and is used for jacking the fixed die elastic block integrated piece during die assembly so as to enable the fixed die elastic block integrated piece to move towards the cutting direction of the inclined plane;

the sliding block inclined guide post is obliquely arranged on the periphery of the movable die elastic block integrated piece, and the inclined direction is the cutting direction of the inclined plane;

and the sliding block seat is sleeved on the periphery of the sliding block inclined guide post and used for moving upwards along the sliding block inclined guide post so as to drive the movable die elastic block integrated piece to jack up the fixed die elastic block integrated piece during die assembly.

Optionally, the fixed die bullet piece integrated piece comprises a fixed die bullet piece spring which is arranged at the top of the fixed die bullet piece integrated piece and used for providing downward elastic force for the fixed die bullet piece integrated piece when a die is separated, so that the fixed die bullet piece integrated piece moves downwards along the cutting direction of the inclined plane.

Optionally, the fixed die elastic block integrated piece comprises a spring guide post, and the fixed die elastic block spring is sleeved on the spring guide post.

Optionally, the fixed die bullet piece integrated piece comprises:

the fixed die elastic block is contacted with the fixed die core through the inclined surface;

the fixed die spring block insert is arranged at the bottom of the fixed die spring block and is in contact with the movable die spring block integrated piece;

and the connecting bolt is arranged between the fixed die elastic block and the fixed die elastic block insert so as to connect the fixed die elastic block and the fixed die elastic block insert.

Optionally, a clamping groove is formed in the fixed die elastic block insert;

the top of the movable mould bullet piece is provided with a buckle for with the draw-in groove cooperation is spacing in order to lock when the compound die the cover half bullet piece with the relative position between the movable mould bullet piece.

Optionally, the movable die elastic block integrated piece comprises a movable die sliding block latch, the latch is arranged on the movable die sliding block latch, and the movable die sliding block latch is connected with the sliding block seat.

Optionally, the moving die elastic block integrated piece comprises a slide block insert, and the slide block insert is arranged at the bottom of the moving die slide block bolt buckle and is in contact with the top of the moving die core.

Optionally, the movable die slide latch is connected to the slide mount by a spring.

In another aspect, the present invention further provides a mold, including a mold body and the demolding mechanism as described in any of the above.

According to the technical scheme, the fixed die inner buckle demoulding structure and the die provided by the utility model are provided with the fixed die core and the movable die core, and the fixed die core and the movable die core are matched with each other to form a cavity for an injection product. Two sides of the cavity are respectively provided with an inner buckle demoulding mechanism which is centrosymmetric about the center line of the cavity. This interior knot demoulding mechanism includes cover half bullet piece an organic whole, movable mould bullet piece an organic whole, the oblique guide pillar of slider and take-up housing, and it is mutually supported and forms the die cavity and be used for moulding plastics to can be in drawing of patterns and compound die conveniently each other, this mould cover half interior knot demoulding structure's cover half bullet piece and movable mould bullet piece an organic whole can comprise a plurality of widgets, can both effectively reduce cost when part production and follow-up maintenance. And the design of this mould inside-out demoulding structure can effectively reduce the mould space, reduces mould parting line and segment difference, can effectively control product quality.

Additional features and advantages of embodiments of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the embodiments of the utility model without limiting the embodiments of the utility model. In the drawings:

FIG. 1 is a top view of a mold cover half inside buckle ejection structure according to one embodiment of the present invention;

FIG. 2 is a cross-sectional view according to A-A in FIG. 1;

FIG. 3 is a partial schematic view of an inside buckle stripper structure of a mold cover half inside buckle stripper structure according to one embodiment of the utility model.

Description of the reference numerals

1. Fixed mold core 2 and movable mold core

3. Internal buckle demoulding mechanism 30 and fixed die elastic block integrated piece

300. Cover half spring block 301 and spring guide pillar

302. Cover half bullet piece 303, cover half bullet piece mold insert

304. Connecting bolt 3030 and clamping groove

31. Moving die elastic block integrated piece 310 and fastener

311. Moving die slide block latch 312 and slide block insert

313. Spring 32 and slider inclined guide post

33. Slider seat 4, injection hole

5. Ejector rod 6 and inclined guide pillar fixing block

7. Product 8, inclined plane

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the utility model, are given by way of illustration and explanation only, not limitation.

FIG. 1 is a top view of a mold cover half inside buckle ejection structure according to one embodiment of the present invention. Fig. 2 is a cross-sectional view according to a-a in fig. 1. The mould cover half inner buckle demoulding structure comprises a cover half core 1, a movable core 2 and an inner buckle demoulding mechanism 3. The mold fixed mold inner buckle demolding structure further comprises a cavity for forming a product 7 and an injection molding hole 4 for injection molding the product. The inside-buckled demoulding mechanism 3 comprises a fixed die elastic block integrated piece 30, a movable die elastic block integrated piece 31, a slider inclined guide post 32 and a slider seat 33. The core insert 1 is disposed above a cavity for molding a product 7. The movable mould core 2 is arranged below a mould cavity for molding a product 7 and is used for being matched with the fixed mould core 1 to form the mould cavity. The two inner-buckled demoulding mechanisms 3 are arranged on two sides of the cavity to form the side wall of the cavity and are symmetrical about the center line of the cavity, and the fixed mould elastic block integrated piece 30 is arranged on the upper part of the side wall, is in contact with the fixed mould core 1 through an inclined surface 8 and is used for moving towards the cutting direction of the inclined surface 8 during mould closing. The apex of the upper end of the ramp 8 is distal from the centerline of the cavity and the apex of the lower end of the ramp 8 is proximal to the centerline of the cavity. The movable die elastic piece integrated piece 31 is arranged at the bottom of the fixed die elastic piece integrated piece 30 and is in contact with the top of the movable die core 2, and is used for jacking the fixed die elastic piece integrated piece 30 during die assembly so that the fixed die elastic piece integrated piece 30 moves towards the cutting direction of the inclined plane 8. The slide block inclined guide post 32 is obliquely arranged on the periphery of the movable mould elastic block integrated piece 31, and the oblique direction is the cutting direction of the inclined surface 8. The slide block seat 33 is sleeved on the periphery of the slide block inclined guide post 32 and used for moving upwards along the slide block inclined guide post 32 to drive the movable mold and elastic block integrated piece 31 to jack up the fixed mold and elastic block integrated piece 30 during mold closing.

In the mould fixed die inner buckle demoulding structure, a product 7 is formed in a cavity formed by the fixed die core 1 and the movable die core 2. The injection molding hole 4 can penetrate through the fixed mold core 1, and injection molding materials can be poured through the injection molding hole 4 during injection molding. The inside-buckle stripper mechanisms 3 may be respectively disposed on both sides of the cavity in which the product 7 is formed to form side walls of the cavity, and the two inside-buckle stripper mechanisms 3 are symmetrical with respect to the center of the neutral line of the cavity in which the product 7 is formed. The fixed die elastic block integrated piece 30 of the inner-buckle demoulding mechanism 3 is arranged on the upper part of the side wall of the cavity and is contacted with the fixed die core 1 through the inclined surface 8. When the die is closed, the die can move upwards towards the cutting direction of the inclined surface 8 so as to approach the fixed die core 1 until the die contacts with the fixed die core 1. The movable die elastic block integrated piece 31 is arranged at the bottom of the fixed die elastic block integrated piece 30 and can jack the fixed die elastic block integrated piece 30 to move upwards during die assembly. The slider tilt guide post 32 is obliquely arranged on the periphery of the moving die elastic block integrated piece 32, and the oblique direction may be the cutting direction of the inclined surface 8. The slider seat 33 is sleeved on the periphery of the slider inclined guide post 32 and can slide up and down along the slider inclined guide post 32 during demoulding and mould closing. When the mold is closed by the mold fixed-mold inside-buckling demolding structure, the slide block seat 33 can move upwards along the slide block inclined guide post 32 to drive the movable mold elastic block integrated piece 31 to move upwards; during mold separation, the slide seat 33 can move downwards along the slide inclined guide post 32 to drive the movable mold elastic block integrated piece 31 to move downwards. The fixed die elastic block integrated piece 30 arranged at the top of the movable die elastic block integrated piece 31 can be jacked up by the fixed die elastic block integrated piece 31 to participate in die assembly during die assembly; the movable die elastic piece integrated piece 31 is separated from the fixed die elastic piece integrated piece 30 during die parting. When the dies are closed, the movable die elastic piece integrated piece 31 and the fixed die elastic piece integrated piece 30 are matched with each other to form the side wall of the cavity of the molded product 7.

In the embodiment, the mould fixed mould inner buckle demoulding structure further comprises a top rod 5. In the mold parting, as the movable die elastic piece integrated piece 31 and the fixed die elastic piece integrated piece 30 are separated, the movable die core 2 and the fixed die core 1 are also separated. By the downward movement of the fixed mold insert piece 30, the product 7 is pressed down to the upper surface of the cavity block 2. At this time, the product 7 is easily separated from the movable die core 2 by the upward ejection of the ejector pin 5.

In addition, since the cavity of the molded product 7 is formed only by the movable die insert integrated piece 31, the stationary die insert integrated piece 30, the movable die core 2, and the stationary die core 1. Compared with the prior art in which more components are used to form the cavity, the number of components used is relatively small, so that the parting line of the product after molding is relatively reduced, and the yield of the product is improved.

In one embodiment of the present invention, as shown in FIG. 2, the fixed die slug unitary piece 30 may include a fixed die slug spring 300 and a spring guide post 301. At the time of mold division, the fixed mold shoe integrated piece 30 is moved downward in the cutting direction of the corresponding inclined surface 8, thereby completing the mold division operation. The stationary die shoe spring 300 provided at the top of the stationary die shoe integrated piece 30 can provide a downward elastic force thereto when the stationary die shoe integrated piece 30 moves downward, thereby further improving the efficiency of the die parting operation. As to the particular orientation of the stationary die spring block 300, the particular orientation can be in a variety of directions as known to those skilled in the art, provided that the stationary die spring block 300 is capable of providing a downward spring force to the stationary die spring block integral member 30. However, in a preferred example of the present invention, as shown in FIG. 2, in order to maximize the elastic force while ensuring the stability of the lateral movement of the stationary die shoe integrated member 30, the stationary die shoe spring 300 may be parallel to the corresponding inclined surface 8. The number of the stationary die spring block 300 may be any number as long as the number is within the range of one skilled in the art. In a preferred example of the present invention, the number of the stationary die shoe springs 300 may be two in order to balance the force of the single stationary die shoe integral piece 30. A spring guide post 301 may be provided inside the fixed die spring block 300 to guide and limit the deformation of the fixed die spring block 300.

In one embodiment of the present invention, in view of the relatively complicated structure of the stationary die bullet piece integrated body 30, as shown in fig. 2, the stationary die bullet piece integrated body 30 may include a stationary die bullet piece 302, a stationary die spring insert 303, and a coupling bolt 304. The stationary die spring block 302 can contact with the stationary die core 1 through the inclined surface 8. The fixed die bullet piece insert 303 is arranged at the bottom of the fixed die bullet piece 302 and is in contact with the movable die bullet piece integrated piece 31. A connecting bolt 304 is disposed between the stationary mold shoe 302 and the stationary mold shoe insert 303 to connect the stationary mold shoe 302 and the stationary mold shoe insert 303. In this fig. 2, since the stationary die spring piece integrated member 30 is composed of the stationary die spring piece 302, the stationary die spring insert 303 and the connecting bolt 304. On one hand, when the fixed die elastic piece integrated piece 30 is produced, compared with the process of directly producing the fixed die elastic piece integrated piece 30, the design difficulty of the production equipment is greatly reduced, and therefore the production cost is reduced. On the other hand, since the fixed die bullet piece integrated piece 30 is constituted by a plurality of small pieces. In the subsequent maintenance, the repair of the fixed die bullet piece integrated piece 30 can be completed only by replacing small parts, thereby reducing the repair cost.

In one embodiment of the present invention, as shown in fig. 2 and 3, the fixed mold spring block insert 303 may be provided with a clamping groove 3030. The top of the movable die bullet piece integral body 31 may be provided with a catch 310. When the mold is closed, the angle of the surface where the clamping groove 3030 and the buckle 31 are in contact with each other in advance can be set to be an oblique angle with the same angle, and the surface where the inclination angles of the clamping groove 3030 and the buckle 31 are in contact with each other in advance and then can slide away from each other during mold closing, so that the clamping groove 3030 and the buckle 31 can be locked mutually smoothly after the surfaces with the same inclination angles are staggered. When the mold is closed, the clamping groove 3030 and the buckle 31 are locked with each other, and then the relative positions of the fixed mold elastic block integrated piece 30 and the movable mold elastic block integrated piece 31 can be locked.

In one embodiment of the present invention, the movable die plunger piece integral piece 31 may include a movable die slide latch 311. The catch 310 may be provided on the movable die slide latch 311 and the movable die slide latch 311 may be connected with the slide holder 33. During mold closing or mold splitting, the slider seat 33 slides up and down along the slider inclined guide post 32, and the movable mold slider latch 311 connected to the slider seat 33 is also driven to slide. When the die is closed, the movable die slide block latch 311 is driven by the slide block seat 33 to move upwards, the buckle 310 on the movable die slide block latch 311 also moves upwards to contact with the clamping groove 3030, then the surfaces of the buckle 310 and the clamping groove 3030 which are contacted with each other firstly are staggered and then locked with each other, and then the movable die slide block latch 311 and the fixed die spring block insert 303 are locked.

In one embodiment of the present invention, the moving die plunger piece integrated part 31 may further include a slide insert 312. The slide insert 312 may be disposed at the bottom of the movable mold slide latch 311 and contact the top of the movable mold core 2. The slide insert 312 can be lifted by the cavity 2 and moved upward, and can participate in forming the sidewall of the cavity of the product 7 together with the stationary die insert 302.

The movable die slide block integrated piece 31 may include a spring 313 disposed between the movable die slide block latch 311 and the slide block holder 33, one end of the spring 313 being connected to the movable die slide block latch 311, and the other end of the spring 313 being connected to the slide block holder 33 to elastically limit the displacement of the movable die slide block latch 311.

In fig. 3, the movable plunger block integrated piece 31 is composed of a snap 310, a movable plunger block latch 311, a plunger insert 312 and a spring 313. On one hand, when the movable die elastic block integrated piece 31 is produced, compared with the process of directly producing the movable die elastic block integrated piece 31, the design difficulty of the production equipment is greatly reduced, and therefore the production cost is reduced. On the other hand, the movable die elastic block integrated piece 31 is composed of a plurality of small parts. In the subsequent maintenance, the movable die elastic block integrated piece 31 can be maintained only by replacing small parts, so that the cost is reduced.

In another aspect, the present invention further provides a mold, which includes a mold body and any one of the above-mentioned demolding structures.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a detain demoulding structure in mould cover half, its characterized in that, demoulding structure includes:

the fixed die core is arranged above a die cavity for molding a product;

2. The demold structure according to claim 1, wherein the stationary die bullet piece includes a stationary die bullet spring provided on top of the stationary die bullet piece for providing a downward elastic force to the stationary die bullet piece when the die is separated so that the stationary die bullet piece moves downward in the cutting direction of the inclined plane.

3. The demold structure according to claim 1 wherein said stationary die spring block integral piece comprises a spring guide post, said stationary die spring block spring being sleeved on said spring guide post.

4. The demold structure according to claim 1 wherein said stationary die bullet piece integral piece comprises:

5. The demolding structure according to claim 4, wherein a clamping groove is formed in the fixed die insert;

6. The demold structure according to claim 5, wherein said movable die insert piece includes a movable die slide latch, said catch is disposed on said movable die slide latch, and said movable die slide latch is connected to said slide holder.

7. The demold structure according to claim 6, wherein the movable die insert piece comprises a slide insert disposed at a bottom of the movable die slide stud and contacting a top of the movable die insert.

8. The demold structure according to claim 7, wherein said movable die slide latch is connected to said slide holder by a spring.

9. A mold comprising a mold body and a demold structure according to any of claims 1 to 8.