CN214026930U - Demoulding device with porous structures in different directions - Google Patents

Abstract

The utility model discloses a demoulding device with porous structures in different directions, which comprises a first module and a second module which are oppositely arranged, wherein the first module comprises two first sliding blocks which are symmetrically arranged, a first guide rail block is arranged between the two first sliding blocks in a sliding way, and the front end of the first guide rail block is provided with a first mould core; the two second die sets comprise symmetrically arranged second slide blocks, a second guide rail block is arranged between the two second slide blocks in a sliding manner, and a second die core is arranged at the front end of the second guide rail block; the first die core and the second die core are internally provided with slide block inserts in a sliding manner, and the first slide block and the second slide block are internally inserted with inclined guide pillars which vertically move upwards from the top parts of the first slide block and the second slide block so as to drive the first slide block and the second slide block to move relatively. The utility model discloses set up that the slider drives the slider mold insert earlier and moves backward, rethread slider drives the guide rail piece and moves backward and accomplish the separation between the mould benevolence and accomplish the drawing of patterns, has greatly improved drawing of patterns efficiency, has practiced thrift drawing of patterns space.

Description

Demoulding device with porous structures in different directions

Technical Field

The utility model relates to a mould drawing of patterns equipment technical field specifically relates to a not equidirectional porous structure's shedder.

Background

After the injection mold performs injection molding on the plastic product, demolding is required. In injection molding of many products, in order to mold the products, especially the products with complicated structures, a plurality of inserts are often required to form a cavity of the products. However, complex module structures often require a large demolding space in order to achieve nondestructive demolding. Particularly, in the case of an injection mold having a porous structure with a circumferential surface, the mold cannot be directly demolded in a core-pulling manner, and the mold is easily abraded, so that the shape of a product subjected to next injection molding is subjected to error.

In the existing processing mold, in order to save cost, the volume of a common injection mold is required to be minimized, and in order to improve the efficiency of the injection molding process, the mode of disassembling all modules for demolding and then reassembling for injection molding cannot meet daily production requirements.

Therefore, if core-pulling and demolding are performed on an injection molding product having a porous structure quickly and nondestructively, it is a problem that needs to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects existing in the prior art and providing a demoulding device with a porous structure in different directions.

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

the demoulding device with the porous structures in different directions comprises a first module and a second module which are oppositely arranged, wherein the first module comprises two first sliding blocks which are symmetrically arranged, a first guide rail block is arranged between the two first sliding blocks in a sliding manner, and a first mould core is arranged at the front end of the first guide rail block; the two second die sets comprise symmetrically arranged second slide blocks, a second guide rail block is arranged between the two second slide blocks in a sliding manner, and a second die core is arranged at the front end of the second guide rail block; the center of the first die core and the second die core is provided with a cavity, a group of sliding block inserts which are arranged in the first die core and the second die core in a sliding mode are uniformly distributed in the cavity along the peripheral wall of the cavity, the front end of each sliding block insert is inserted into the cavity to form an injection molding cavity, and the tail end of each sliding block insert is arranged in the first sliding block and the second sliding block in a sliding mode; the first sliding block and the second sliding block are internally inserted with an inclined guide post which vertically moves upwards from the top part of the first sliding block and the second sliding block so as to drive the first sliding block and the second sliding block to move relatively, contact ends of the first module and the second module are matched, and the first module and the second module are clamped in a first state; in the second state, the first module and the second module are separated.

Preferably, the inside of first guide rail piece and second guide rail piece is provided with a locating pin respectively, first slider with on the side that first guide rail piece contacted the second slider with all be provided with a waist type groove on the side that second guide rail piece contacted, the both ends evagination of locating pin in first guide rail piece and second guide rail piece, and its tip slidable ground card of evagination locates waist type inslot works as the tip of locating pin with during the tip butt in waist type groove, first guide rail piece is followed first slider slides second guide rail piece is followed the second slider slides.

Preferably, a strip-shaped sliding groove is formed between the side surfaces of the first sliding block, which are contacted with the first guide rail block, and between the side surfaces of the second sliding block, which are contacted with the second guide rail block, and a guide strip matched with the sliding groove is inserted into the sliding groove.

Preferably, the first slide block and the second slide block are arranged oppositely, the front ends of the first slide block and the second slide block can be clamped with each other, the first inner side surface of the first slide block and the second inner side surface of the second slide block are symmetrical inclined surfaces, and when the first slide block and the second slide block are clamped with each other, the two first inner side surfaces and the two second inner side surfaces are respectively abutted to the outer side walls of the first mold core and the second mold core so as to limit the positions of the first mold core and the second mold core.

Preferably, the cross section of the cavity is circular, six sliding block inserts are uniformly distributed on the peripheral wall of the cavity, each sliding block insert consists of a group of contact pins and a contact pin base, the tail end of each contact pin is horizontally and fixedly arranged at the front end of the contact pin base from top to bottom, and the front end of each contact pin is inserted into the cavity to form an injection molding cavity.

Preferably, the six slide block inserts are divided into four first slide block inserts and two second slide block inserts, one first slide block insert is connected to each of the first inner side surface and the second inner side surface in a sliding manner, and the first slide block inserts are obliquely inserted into the first die core and the second die core; the two second sliding block inserts are respectively arranged on the second inner side surface in a sliding mode and inserted into the boundary of the first die core and the second die core.

Preferably, the first inner side surface and the second inner side surface are both provided with guide grooves, the tail end of the needle seat of each of the first sliding block insert and the second sliding block insert is provided with a fixture block matched with the guide grooves, and the fixture block is slidably arranged in the guide grooves and slides along the guide grooves.

Preferably, a guide clamping block is arranged on one side of the second sliding block insert, a groove matched with the guide clamping block is formed in the second die core, and the guide clamping block is arranged in the groove in a sliding mode.

Preferably, the outer surface of the pin is coated with a wear resistant layer.

The beneficial effects of the utility model are mainly embodied in that:

1. the slide block is arranged to drive the slide block insert to move backwards to complete the core pulling of the contact pin, and then the slide block drives the guide rail block to move backwards to complete the separation between the mold inserts to complete the demolding, so that the structure is stable, the demolding efficiency is greatly improved, and the demolding space is saved;

2. the inclined guide post is arranged to drive the first sliding block and the second sliding block to move relatively, so that the equipment cost is saved, and the equipment structure is simplified;

3. the waist-shaped groove is arranged and matched with the positioning pin to enable the sliding block and the guide block to slide step by step, so that time is reserved for core pulling of the contact pin, and the core pulling of the sliding block insert is ensured not to influence an injection molding product;

4. the outer surface of the contact pin is coated with the wear-resistant layer, so that the strength and the wear resistance of the contact pin in actual use are improved, the contact pin is not easy to damage, and the contact pin is more practical;

5. the utility model discloses can realize block and/or separation between first module and the second module through the relative movement of first slider, second slider, fast switch over mode of moulding plastics and drawing of patterns mode is favorable to the improvement of the efficiency of moulding plastics.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1: the structure of the embodiment of the utility model is schematically shown;

FIG. 2: the embodiment of the utility model provides a part of the structure schematic diagram;

FIG. 3: the embodiment of the utility model provides a part schematic structure.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not limited to the present invention, and structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the scope of the present invention.

In the description of the embodiments, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.

As shown in fig. 1 to 2, the present invention discloses a demolding device with multi-hole structure in different directions, which comprises a first module and a second module, wherein the first module and the second module are oppositely disposed, the first module comprises two first sliders 1 symmetrically disposed, a first guide rail block 2 is slidably disposed between the two first sliders 1, and a first mold core 3 is disposed at the front end of the first guide rail block 2; the two second die sets comprise symmetrically arranged second sliding blocks 4, a second guide rail block 5 is arranged between the two second sliding blocks 4 in a sliding manner, and a second die core 6 is arranged at the front end of the second guide rail block 5; the centers of the first die core 3 and the second die core 6 are provided with a cavity 7, a group of slide block inserts 8 which are arranged in the first die core 3 and the second die core 6 in a sliding manner are uniformly distributed in the cavity 7 along the peripheral wall of the cavity 7, the front ends of the slide block inserts 8 are inserted into the cavity 7 to form an injection molding cavity, and the tail ends of the slide block inserts 8 are arranged in the first slide block 1 and the second slide block 4 in a sliding manner; the first sliding block 1 and the second sliding block 4 are internally inserted with an inclined guide post 9 which vertically moves upwards from the top part thereof so as to drive the first sliding block 1 and the second sliding block 4 to move relatively, the contact ends of the first module and the second module are matched, and the first module and the second module are clamped in a first state; in the second state, the first module and the second module are separated.

In the preferred embodiment, the inclined guide post 9 is obliquely arranged, so that the first sliding block 1 and the second sliding block 4 are driven to slide outwards when the inclined guide post moves upwards and vertically, the arrangement of the inclined guide post 9 saves equipment cost, and the equipment structure is simplified.

As shown in fig. 2 and 3, the inside of first guide rail piece 2 and second guide rail piece 5 is provided with a locating pin 10 respectively, first slider 1 with on the side that first guide rail piece 2 contacted, second slider 4 with all be provided with a waist type groove 11 on the side that second guide rail piece 5 contacted, the both ends of locating pin 10 evaginate in first guide rail piece 2 and second guide rail piece 5, and its tip slidable ground card of evagination locates in the waist type groove 11, work as the tip of locating pin 10 with during the tip butt of waist type groove 11, first guide rail piece 2 is followed first slider 1 slides second guide rail piece 5 follows second slider 4 slides. Specifically, in the first state, when the first module and the second module are engaged with each other, the end of the positioning pin 10 abuts against the tail end of the waist-shaped groove 11, and at this time, the positioning pin 10 has a limiting effect on the first slider 1 and the second slider 4, so that excessive engagement between the first slider 1 and the second slider is avoided, and abrasion is avoided; in the second state, when the first module and the second module are separated, the end of the positioning pin 10 abuts against the front end of the waist-shaped groove 11, so that the first guide rail block 2 slides along with the first slide block 1, and the second guide rail block 5 slides along with the second slide block 4. The arrangement of the waist-shaped groove 11 ensures that the first guide rail block 2 and the second guide rail block 5 cannot immediately follow the first slide block 1 and the second slide block 4 to synchronously slide, so that the sliding time is reserved for the core pulling of the slide block insert 8, and the appearance of an injection molding product cannot be influenced by the core pulling of the slide block insert 8.

In order to improve gliding fluency between first slider 1 and the first guide rail piece 2, and second slider 4 with gliding fluency between second guide rail piece 5, first slider 1 with between the side that first guide rail piece 2 contacted, second slider 4 with all have a bar spout 15 between the side that second guide rail piece 5 contacted, the interpolation of spout 15 is equipped with a assorted gib block 16 with it. Specifically, the bar-shaped sliding groove 15 is formed by the side face, which is contacted with the first guide rail block 2, of the first sliding block 1, the side face, which is contacted with the second guide rail block 5, of the second sliding block 4 is inwards concave, and the guide strip 16 can play a role in limiting and guiding, so that the sliding between the first sliding block 1 and the first guide rail block 2, the sliding between the second sliding block 4 and the second guide rail block 5 is more stable, and the guide strip 16 is inserted without other fixed structures, so that equipment mechanisms can be simplified, and the equipment space is saved. In other possible embodiments, the guide bar 16 may also be integrally formed with the first slider 1, the second slider 4 and/or the first guide block 2, the second guide block 5.

As shown in fig. 3, the first slide block 1 and the second slide block 4 are disposed opposite to each other, front ends of the first slide block 1 and the second slide block 4 can be engaged with each other, the first inner side 101 of the first slide block 1 and the second inner side 401 of the second slide block 4 are symmetrical inclined surfaces, and when the first slide block 1 and the second slide block 4 are engaged with each other, the two first inner sides 101 and the two second inner sides 401 are respectively abutted against outer sidewalls of the first mold core 3 and the second mold core 6 to define positions of the first mold core 3 and the second mold core 6. Specifically, the outer side walls of the first mold core 3 and the second mold core 6 are inclined surfaces matched with the first inner side surface 101 and the second inner side surface 401, and the first inner side surface 101 and the second inner side surface 401, the first guide rail block 2 and the second guide rail block 5 enclose a closed space which is close to a regular hexagon so as to limit the first mold core 3 and the second mold core 6 and ensure tight connection between the first mold core 3 and the second mold core 6. Meanwhile, the inclined surfaces of the first inner side surface 101 and the second inner side surface 401 are also beneficial to driving the sliding block insert 8 to be drawn outwards when moving outwards.

Specifically, as shown in fig. 2 and 3, in the preferred embodiment, the cross section of the cavity 7 is circular, six sliding block inserts 8 are uniformly distributed on the outer peripheral wall of the cavity, each sliding block insert 8 is composed of a group of pins 801 and a pin seat 802, the tail end of each pin 801 is horizontally fixed to the front end of the pin seat 802 from top to bottom, and the front end of each pin 801 is inserted into the cavity 7 to form an injection molding cavity. The pins 801 are preferably arranged in a manner of being coaxially and fixedly arranged in the pin seat 802 from bottom to top, and the distance between every two pins 801 is equal, and the pins 801 extend into the cavity 7 to form corresponding through holes on the injection molding product. In other possible embodiments, the number of the slide inserts 8 may be two, four, or other suitable number. Additionally, in other possible embodiments, the spacing between the pins 801 may not be equal; the diameters of the pins 801 may be unequal, and the pins 801 may also be staggered from top to bottom; the front end of the pin 801 may have other shapes to form other patterns on the outer wall of the injection mold cavity.

Further, the six slide block inserts 8 are divided into four first slide block inserts 81 and two second slide block inserts 82, one first slide block insert 81 is slidably connected to each of the first inner side surface 101 and the second inner side surface 401, and the first slide block inserts 81 are obliquely inserted into the first mold core 3 and the second mold core 6; the two second slide block inserts 82 are respectively slidably disposed on the second inner side 401 and inserted into the boundary between the first mold core 3 and the second mold core 6.

In order to facilitate the first sliding block insert 81 and the second sliding block insert 82 to slide synchronously along the first sliding block 1 and the second sliding block 4, guide grooves 12 are respectively formed on the first inner side surface 101 and the second inner side surface 401, a fixture block 13 matched with the guide groove 12 is respectively arranged at the tail end of the needle base 802 of each of the first sliding block insert 81 and the second sliding block insert 82, and the fixture block 13 is slidably arranged in the guide groove 12 and slides along the guide groove 12. When the first and second slides 1 and 4 move outward, the first and second slide inserts 81 and 82 slide outward, and the pin 801 at the front end thereof is drawn out from the cavity 7.

In addition, in order to ensure the sliding fluency of the second slide insert 82, one side of the second slide insert 82 is provided with a guide latch 14, the second die core 6 is internally provided with a groove (not shown) matched with the guide latch 14, and the guide latch 14 is slidably arranged in the groove. The arrangement of the groove and the guide fixture block 14 can ensure the stability of the second slide block insert 82 sliding in the second mold core 6, avoid the deviation thereof, and facilitate the resetting thereof.

The utility model discloses a theory of operation does:

s1, in the injection molding state, the first module and the second module are clamped, and the first slide block 1, the first guide rail block 2, the first mold core 3, the second slide block 4, the second guide rail block 5 and the second mold core 6 are clamped;

after the injection molding is finished, the mold is opened, the inclined guide post 9 moves upwards, and the first slide block 1 and the second slide block 4 respectively move backwards along with the upward movement of the inclined guide post 9;

s2, under the driving of the first slider 1 and the second slider 4, the first slider insert 81 and the second slider insert 82 both move radially outward at the same time, the pins 801 thereon are respectively and simultaneously extracted from the cavity 7, the end of the positioning pin 12 moves from the tail end of the kidney-shaped groove 11 to the front end thereof, at this time, the first guide rail block 2 and the second guide rail block 5 are stationary, and the first mold core 3 and the second mold core 6 maintain the engaged state;

and S3, after the end part of the positioning pin 12 moves to the front end of the waist-shaped groove 11, the inclined guide post 9 continuously moves upwards, and the first slide block 1 and the second slide block 4 continuously move backwards, so that the first guide rail block 2 and the second guide rail block 5 synchronously move outwards along with the first slide block 1 and the second slide block 4, and simultaneously the first mold core 3 and the second mold core 6 are separated, and the whole demolding is completed.

And the mold can be closed for the next injection molding by reverse operation.

The utility model discloses utilize the first slider 1 of oblique guide pillar 9 drive and second slider 4 relative movement to through the removal of first slider 1 and second slider 4, realize the looks block/phase separation between slider mold insert 8 and first mould benevolence 3, second mould benevolence 6, realize the quick switching between first state, the second state of first module, second module, improved the product efficiency of moulding plastics, guaranteed the harmless drawing of patterns of injection moulding product; especially, the core pulling and demolding in multiple directions are realized through the movement in two directions, the injection molding cost and the demolding space are saved, and the practicability is very high.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (9)

1. Not equidirectional porous structure's shedder, its characterized in that: the die comprises a first die set and a second die set which are arranged oppositely, wherein the first die set comprises two first sliding blocks (1) which are arranged symmetrically, a first guide rail block (2) is arranged between the two first sliding blocks (1) in a sliding manner, and a first die core (3) is arranged at the front end of the first guide rail block (2); the two second die sets comprise second sliding blocks (4) which are symmetrically arranged, a second guide rail block (5) is arranged between the two second sliding blocks (4) in a sliding mode, and a second die core (6) is arranged at the front end of the second guide rail block (5); the center of the first die core (3) and the center of the second die core (6) are provided with cavities (7), a group of sliding block inserts (8) which are arranged in the first die core (3) and the second die core (6) in a sliding mode are uniformly distributed in the cavities (7) along the peripheral wall of the cavities (7), the front ends of the sliding block inserts (8) are inserted into the cavities (7) to form injection molding cavities, and the tail ends of the sliding block inserts are arranged in the first sliding block (1) and the second sliding block (4) in a sliding mode; an inclined guide post (9) which vertically moves upwards is inserted into the first sliding block (1) and the second sliding block (4) from the tops of the first sliding block and the second sliding block inwards to drive the first sliding block (1) and the second sliding block (4) to move relatively, contact ends of the first module and the second module are matched, and the first module and the second module are clamped in a first state; in the second state, the first module and the second module are separated.

2. The apparatus for removing a porous structure from a mold according to claim 1, wherein: the inside of first guide rail piece (2) and second guide rail piece (5) is provided with a locating pin (10) respectively, first slider (1) with on the side that first guide rail piece (2) contacted, second slider (4) with all be provided with a waist type groove (11) on the side that second guide rail piece (5) contacted, the both ends evagination of locating pin (10) in first guide rail piece (2) and second guide rail piece (5), and the tip slidable ground card of its evagination locates in waist type groove (11), work as the tip of locating pin (10) with during the tip butt of waist type groove (11), first guide rail piece (2) are followed first slider (1) slide second guide rail piece (5) are followed second slider (4) slide.

3. The apparatus for removing a porous structure from a mold according to claim 2, wherein: a strip-shaped sliding groove (15) is formed between the side faces of the first sliding block (1) contacted with the first guide rail block (2) and between the side faces of the second sliding block (4) contacted with the second guide rail block (5), and a guide strip (16) matched with the sliding groove is inserted into the sliding groove (15).

4. The apparatus for removing a porous structure from a mold according to claim 1, wherein: the first sliding block (1) and the second sliding block (4) are arranged oppositely, the front ends of the first sliding block and the second sliding block can be clamped with each other, a first inner side surface (101) of the first sliding block (1) and a second inner side surface (401) of the second sliding block (4) are symmetrical inclined surfaces, when the first sliding block (1) and the second sliding block (4) are clamped with each other, the two first inner side surfaces (101) and the two second inner side surfaces (401) are respectively abutted to the outer side walls of the first mold core (3) and the second mold core (6), and therefore the positions of the first mold core (3) and the second mold core (6) are limited.

5. The apparatus for removing a porous structure from a mold according to claim 1, wherein: the cross section of the cavity (7) is circular, six sliding block insert parts (8) are uniformly distributed on the peripheral wall of the cavity, each sliding block insert part (8) consists of a group of pins (801) and a pin seat (802), the tail end of each pin (801) is horizontally and fixedly arranged at the front end of the pin seat (802) from top to bottom, and the front end of each pin (801) is inserted into the cavity (7) to form an injection molding cavity.

6. The apparatus for removing a porous structure from a mold according to claim 5, wherein: the six sliding block inserts (8) are divided into four first sliding block inserts (81) and two second sliding block inserts (82), each first inner side surface (101) and each second inner side surface (401) are connected with one first sliding block insert (81) in a sliding mode, and the first sliding block inserts (81) are obliquely inserted into the first die core (3) and the second die core (6); the two second sliding block inserts (82) are respectively arranged on the second inner side surface (401) in a sliding mode and inserted into the junction of the first die core (3) and the second die core (6).

7. The apparatus for removing a porous structure from a mold according to claim 6, wherein: guide grooves (12) are formed in the first inner side face (101) and the second inner side face (401), a clamping block (13) matched with the guide grooves (12) is arranged at the tail end of the needle inserting seat (802) of each of the first sliding block insert piece (81) and the second sliding block insert piece (82), and the clamping block (13) is arranged in the guide grooves (12) in a sliding mode and slides along the guide grooves (12).

8. The apparatus for removing a porous structure from a mold according to claim 7, wherein: one side of the second sliding block insert (82) is provided with a guide clamping block (14), a groove matched with the guide clamping block (14) is formed in the second die core (6), and the guide clamping block (14) is arranged in the groove in a sliding mode.

9. The apparatus for removing a porous structure from a mold according to claim 5, wherein: the outer surface of the pin (801) is coated with a wear resistant layer.

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