CN213797868U

CN213797868U - Demoulding structure

Info

Publication number: CN213797868U
Application number: CN202022408195.7U
Authority: CN
Inventors: 华辉思
Original assignee: Jiangmen Wanhua Plastic Products Co ltd
Current assignee: Jiangmen Wanhua Plastic Products Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-07-27
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a demoulding structure, which comprises a base, wherein a first slide and a second slide are arranged on the base in a sliding manner from top to bottom, a first chute is arranged on the first slide, a second chute is arranged on the second slide, and the length of the first chute is greater than that of the second chute; the core is arranged at one end of the second line position, a cavity is formed between the core and the first line position, and the cavity is used for forming a tubular structure; the inclined guide post is sequentially inserted into the first chute and the second chute. The utility model discloses a set up first chute and second chute respectively in first line position and second line position, and first chute length is greater than the second chute, and when the guide pillar was vertical upwards taken out to one side, the drawing of patterns is delayed for the second line position in first line position, realizes the secondary drawing of patterns, reduces the drawing of patterns pulling force, avoids the product to warp because of the sticking die, damages, guarantees that the drawing of patterns is smooth, improves production efficiency, improves the precision and the quality of product.

Description

Demoulding structure

Technical Field

The utility model relates to a mold design technical field, in particular to demoulding structure.

Background

When using the mould to produce the working of plastics that the lateral wall has structures such as through-hole, boss or recess, in order to separate work piece and mould, traditional drawing of patterns mode is the drawing of patterns of loosing core, especially when the working of plastics lateral wall is equipped with the long tubular structure of thin wall, because the work piece is great with the contact site area of mould, during the side direction is loosed core, the inside and outside wall of tubulose is demoulded simultaneously, and drawing of patterns pulling force to the pipe wall is big, leads to the product to warp easily when appearing gluing the mould, damages the product even, and unable smooth drawing of patterns influences product quality and production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an at least solve one of the technical problem who exists among the prior art, provide a demoulding structure, can improve production efficiency, improve product precision and quality.

According to the utility model discloses a demoulding structure, include: the device comprises a base, a first slide and a second slide are arranged on the base in a sliding manner from top to bottom, the first slide is provided with a first chute, the second slide is provided with a second chute, and the length of the first chute is greater than that of the second chute; the core is arranged at one end of the second line position, a cavity is formed between the core and the first line position, and the cavity is used for forming a tubular structure; the inclined guide post is sequentially inserted into the first chute and the second chute.

According to the utility model discloses demoulding structure has following technological effect at least: the forming of the tubular structure is realized through the cavity, the demoulding is carried out after the forming, because the length of the first chute is larger than that of the second chute, when the inclined guide pillar is vertically pulled out upwards, the second slide is firstly driven to move, the core is partially separated from the inner wall of the tubular structure, the demoulding is carried out in advance, the inclined guide pillar continuously rises until the inclined guide pillar moves from one end, close to the workpiece, of the first chute to the other end, the first slide and the second slide are simultaneously driven to move for demoulding, the inclined guide pillar is separated from the inner wall and the outer wall of the tubular structure, the demoulding is delayed relative to the second slide through the first slide, the secondary demoulding is realized, the demoulding tension is reduced, the deformation and the damage of the product caused by die sticking are avoided, the demoulding is ensured to be smooth, the production efficiency is improved, and the precision and the quality of the product are improved.

According to the utility model discloses a some embodiments, the base top is provided with the latch segment, the latch segment with first capable position reaches the equal sliding fit of second capable position, the latch segment is provided with first inclined plane, first capable position with be provided with the second inclined plane on the second capable position, first inclined plane with the cooperation of second inclined plane butt. Through first inclined plane and the cooperation of second inclined plane butt, the latch segment descends, and the first line position of locking location and the line position of second guarantee the shaping precision, and the latch segment rises, and the first line position of unblock and the line position of second are convenient for the drawing of patterns.

According to some embodiments of the utility model, the base top is provided with the lifter plate, oblique guide pillar with the latch segment is installed on the lifter plate. The synchronous lifting of the inclined guide post and the locking block is realized through the lifting plate, the number of driving pieces is reduced, the structure is optimized, and meanwhile, the unlocking and the demolding or the simultaneous installation and locking are realized, so that the improvement of the production efficiency is facilitated.

According to some embodiments of the invention, the core comprises a detachable insert. Adopt the detachable to inlay the needle, be convenient for change, when the core appears wearing and tearing scheduling problem, direct change inlay the needle can, need not to change whole mould, practice thrift manufacturing cost.

According to some embodiments of the utility model, the threaded connection has the briquetting on the second slide, the briquetting is provided with the location platform, inlay the needle and run through the briquetting, inlay needle one end be provided with the location lug of location platform adaptation. Through the cooperation of locating convex block and location platform, the briquetting is connected with the second line position, inlays the needle axial positioning installation, and the location is convenient reliable, and the briquetting is connected with the second line position screw, the dismouting of being convenient for.

According to some embodiments of the utility model, the briquetting is provided with spacing concave station, the capable position of second is provided with the inserted block, the inserted block inserts in the spacing concave station. The insert block is inserted into the limiting concave table, so that the press block can be quickly positioned and installed, and the installation is reliable and accurate.

According to some embodiments of the utility model, the symmetry is provided with first guide way on the base, first line position both sides are provided with first lug, first lug slides and sets up in the first guide way. Through first lug and first guide way sliding connection, restrict first line position and move along first guide way length direction orientation, realize the orientation drawing of patterns.

According to some embodiments of the utility model, the symmetry is provided with the second guide way on the base, second slide both sides are provided with the second lug, the second lug slides and sets up in the second guide way. And the second lug is in sliding connection with the second guide groove, so that the second slide is limited to directionally move along the length direction of the second guide groove, and directional demoulding is realized.

According to the utility model discloses a some embodiments, be provided with the logical groove of stepping down on the base, the logical groove of stepping down is close to the one end opening of core, the guide pillar end runs through to one side the logical groove of stepping down. Through setting up the logical groove of stepping down, avoid oblique guide pillar and base to interfere, guarantee that oblique guide pillar installation is reliable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is an exploded view of a demolding structure according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the demolding structure shown in FIG. 1;

FIG. 3 is a schematic view showing a state where the angle guide post shown in FIG. 1 is withdrawn;

FIG. 4 is a schematic illustration of the core and compact configuration shown in FIG. 1;

fig. 5 is a schematic diagram of the structure of the second row of bits shown in fig. 1.

Reference numerals:

a base 100, a yielding through groove 101, a first guide groove 110, a second guide groove 120,

A first column 200, a first chute 210, a first bump 220,

A second row 300, a second chute 310, an insert pin 320, a positioning lug 321, a flat notch 3211, a pressing block 330, a positioning table 331, a plane 3311, a limit concave table 332, an insert block 340, a second lug 350, a first groove, a second groove, a third groove, a fourth groove and a fourth groove,

A cavity 400,

The lifting plate 500, the inclined guide post 510, the locking block 520, the first inclined surface 521 and the second inclined surface 522.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A demolding structure according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1 and 2, according to the utility model discloses a demoulding structure, including base 100, top-down slides in proper order on base 100 and is provided with first slide 200 and second slide 300, and first slide 200 has seted up first chute 210, and second slide 300 has seted up second chute 310, and the length of first chute 210 is greater than the length of second chute 310, and the one end of second slide 300 is provided with the core, forms die cavity 400 between core and the first slide 200, and die cavity 400 is used for forming the tubular structure, and oblique guide pillar 510 inserts in proper order in first chute 210 and the second chute 310.

It can be understood that, as shown in fig. 2 and 3, during demolding, the inclined guide post 510 is drawn out vertically upwards, as the inclined guide post 510 ascends, the second row 300 is first driven to move by the inclined guide post 510, a part of the core is separated from the inner wall of the tubular structure, and demolding is performed in advance, during which, the inclined guide post 510 moves in the first chute 210, and there is no interaction force between the inclined guide post 510 and the first row 200, so the first row 200 is stationary until the inclined guide post 510 moves from one end of the first chute 210 close to the core to the other end, the inclined guide post 510 cooperates with the first chute 210 to drive the first row 200 to move, so that the first row 200 and the second row 300 move simultaneously to be demolded and are separated from the inner wall and the outer wall of the tubular structure, and because the length of the first chute 210 is greater than that of the second chute 310, so that the first row 200 moves with the second row 300 with a delay, and secondary demolding is realized, the drawing force of the die on the workpiece is reduced during demoulding, the product deformation and damage caused by die sticking are avoided, smooth demoulding is ensured, the production efficiency is improved, and the precision and the quality of the product are improved.

Wherein, be provided with logical groove 101 of stepping down on the base 100, the logical groove 101 of stepping down is close to the one end opening of core, and the end of oblique guide pillar 510 runs through logical groove 101 of stepping down, avoids oblique guide pillar 510 and base 100 to interfere, guarantees oblique guide pillar 510 reliable operation.

In some embodiments of the present invention, the core is provided as a removable insert 320. Further, as shown in fig. 1, 4 and 5, a pressing block 330 is screwed to the second row 300, a positioning table 331 is disposed on the pressing block 330, and a positioning protrusion 321 adapted to the positioning table 331 is disposed at one end of the insert pin 320. Furthermore, a limiting concave table 332 is arranged on the pressing block 330, an inserting block 340 is arranged on the second row 300, and the inserting block 340 is inserted into the limiting concave table 332.

Specifically, the insert pin 320 penetrates through the pressing block 330, the positioning convex block 321 is embedded in the positioning table 331, a flat notch 3211 is arranged on the positioning convex block 321, correspondingly, a plane 3311 is arranged on the side wall of the positioning table 331, the flat notch 3211 is matched with the plane 3311, so that the insert pin 320 is quickly positioned and installed on the pressing block 330, the insert block 340 is arranged at one end of the second row 300 close to the insert pin 320, the limit concave table 332 and the positioning table 331 are integrally arranged, the limit concave table 332 is arranged at one side of the pressing block 330 facing the second row 300, the insert block 340 is inserted into the limit concave table 332 of the pressing block 330, quick positioning and installation are realized, screw connection is adopted, connection is reliable, disassembly and assembly and disassembly are convenient, when the insert pin 320 has problems of abrasion, corrosion and the like, the integral grinding tool does not need to be replaced, the insert pin 320 can be directly replaced, and production cost is saved.

As shown in fig. 1, in some embodiments of the present invention, the base 100 is symmetrically provided with first guide slots 110, the first slide 200 is provided with first protrusions 220 at two sides thereof, and the first protrusions 220 are slidably disposed in the first guide slots 110. Further, the base 100 is symmetrically provided with second guide grooves 120, and second protrusions 350 are disposed on two sides of the second slide 300, and the second protrusions 350 are slidably disposed in the second guide grooves 120.

Specifically, the longitudinal section of the base 100 is substantially "U" -shaped, the two sides of the inside of the base 100 are symmetrically provided with the second guide slots 120, the symmetrical first guide slots 110 are arranged above the second guide slots 120, the first row 200 is arranged above the second row 300, the first protrusions 220 are correspondingly arranged in the first guide slots 110, and the second protrusions 350 are correspondingly arranged in the second guide slots 120. When the first row 200 and the second row 300 move for demolding, the first row 200 and the second row 300 move along the length direction of the first guide groove 110 and the second guide groove 120 respectively, so that directional demolding is realized, and demolding is reliable.

In some embodiments of the present invention, the locking block 520 is disposed above the base 100, the locking block 520 is slidably engaged with the first slide 200 and the second slide 300, the locking block 520 is disposed with a first inclined plane 521, the first slide 200 and the second slide 300 are disposed with a second inclined plane 522, and the first inclined plane 521 is engaged with the second inclined plane 522 by abutting. Further, a lifting plate 500 is disposed above the base 100, and an inclined guide post 510 and a locking block 520 are mounted on the lifting plate 500.

It can be understood that the lifting plate 500 is connected with a lifting driving member (not shown in the figure), the inclined guide post 510 and the locking block 520 are both installed on the lifting plate 500, when the lifting plate 500 ascends, the inclined guide post 510 and the locking block 520 ascend simultaneously, under the cooperation of the first inclined surface 521 and the second inclined surface 522, the first slide 200 and the second slide 300 are unlocked step by step, and simultaneously the inclined guide post 510 drives the first slide 200 and the second slide 300 to be drawn out step by step, so as to realize synchronous unlocking and demoulding, correspondingly, when the lifting plate 500 is installed, the inclined guide post 510 and the locking block 520 descend simultaneously, so as to realize synchronous installation and locking, which is beneficial to improving the production efficiency.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A demolding structure, characterized by comprising:

the base is sequentially provided with a first slide way and a second slide way in a sliding manner from top to bottom, the first slide way is provided with a first chute, the second slide way is provided with a second chute, and the length of the first chute is greater than that of the second chute;

the mold core is arranged at one end of the second line position, a mold cavity is formed between the mold core and the first line position, and the mold cavity is used for forming a tubular structure;

and the inclined guide post is inserted into the first inclined groove and the second inclined groove in sequence.

2. The demolding structure as claimed in claim 1, wherein: the base top is provided with the latch segment, the latch segment with first capable position and the equal sliding fit of second capable position, the latch segment is provided with first inclined plane, first capable position with be provided with the second inclined plane on the second capable position, first inclined plane with the cooperation of second inclined plane butt.

3. The demolding structure as claimed in claim 2, wherein: the base top is provided with the lifter plate, the oblique guide pillar with the latch segment is installed on the lifter plate.

4. The demolding structure as claimed in claim 1, wherein: the core includes a removable insert.

5. The demold structure of claim 4 wherein: the screw connection has the briquetting on the second slide, the briquetting is provided with the location platform, inlay the needle and run through the briquetting, inlay needle one end be provided with the location lug of location platform adaptation.

6. The demold structure of claim 5, wherein: the briquetting is provided with spacing concave station, the second position of going is provided with the inserted block, the inserted block inserts in the spacing concave station.

7. The demolding structure as claimed in claim 1, wherein: first guide way is symmetrically arranged on the base, first protruding blocks are arranged on two sides of the first line position, and the first protruding blocks are arranged in the first guide way in a sliding mode.

8. The demolding structure as claimed in claim 1, wherein: the base is symmetrically provided with second guide grooves, second lugs are arranged on two sides of the second slide, and the second lugs are arranged in the second guide grooves in a sliding mode.

9. The demolding structure as claimed in claim 1, wherein: the base is provided with a yielding through groove, the yielding through groove is close to an opening at one end of the mold core, and the tail end of the inclined guide pillar penetrates through the yielding through groove.