CN216832049U

CN216832049U - Grain demoulding structure in harmless type plastic products

Info

Publication number: CN216832049U
Application number: CN202123288962.6U
Authority: CN
Inventors: 杨再兴
Original assignee: Foshan Jinshi Minchuan Technology Co ltd
Current assignee: Foshan Jinshi Minchuan Technology Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-28
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a grain demoulding structure in harmless type plastic products, demoulding mechanism include traction motor, arc and spacing groove, and arc symmetry sets up around the bottom plate top, and the bottom of arc and the top swing joint of bottom plate are provided with the arc board between two adjacent arcs, the left and right sides of arc board surface all with the surface swing joint of arc, the utility model relates to a technical field moulds plastics. This interior line demoulding structure of lossless type plastic product, through setting up demoulding mechanism, after the injection molding shaping, traction motor rotates the threaded connection through screw rod and spiro, make the spiro descend along the screw rod, the spiro descends and can slide in opposite directions through connecting strip pulling arc, thereby make the arc break away from with being connected of injection molding, inside line receives the damage when having avoided the injection molding drawing of patterns, the easy problem of damaging of inside line when having solved the injection molding product drawing of patterns of inside line through the combination of above-mentioned structure.

Description

Grain demoulding structure in harmless type plastic products

Technical Field

The utility model relates to a technical field of moulding plastics specifically is a grain demoulding structure in harmless type plastic products.

Background

Injection molding is a method for producing and molding industrial products, and the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding and die casting; the main molding equipment is used for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by utilizing a plastic molding die, and the injection molding is realized by an injection molding machine and the die.

Need carry out the drawing of patterns behind the injection moulding product shaping, to some injection moulding products that are provided with interior line, outside line on its inside line and the mould can form spacingly, when carrying out the drawing of patterns, can lead to the damage of the inside line of product to influence the use of product, consequently need solve to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a grain demoulding structure in harmless type plastic products has solved the problem that the inside line damaged easily when having the injection moulding product drawing of patterns of inside line.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a line demoulding structure in harmless type plastic products, includes the bottom plate, the top fixedly connected with circle cover of bottom plate, the inner wall of bottom plate runs through swing joint and has the thimble, the outside of bottom plate is provided with demoulding mechanism.

The demoulding mechanism comprises a traction motor, arc strips and a limiting groove, the arc strips are symmetrically arranged around the top of the bottom plate, the bottom of the arc strip is movably connected with the top of the bottom plate, an arc plate is arranged between two adjacent arc strips, the left side and the right side of the outer surface of the arc plate are movably connected with the outer surface of the arc strip, the arc plate slides at the top of the bottom plate through a dislocation component, the limiting groove is arranged at the top of the bottom plate, the inner surface of the limiting groove is slidably connected with a limiting block, the top of the limiting block is fixedly connected with the bottom of the arc strip, the bottom of the traction motor is fixedly connected with the top of the bottom plate, the output end of the traction motor is fixedly connected with a screw through a coupler, the top end of the screw is fixedly connected with a baffle, the bottom of the baffle is respectively movably connected with the tops of the arc strips and the arc plate, and the outer surface of the screw is in threaded connection with a spiral ring, the outer surface of the spiral ring is rotatably connected with a connecting strip, and one end of the connecting strip is rotatably connected with the outer surface of the arc strip.

Preferably, the dislocation subassembly includes spout and round platform, the spout is seted up at the top of bottom plate.

Preferably, the inner surface of the sliding groove is connected with a sliding block in a sliding mode, and the top of the sliding block is fixedly connected with the bottom of the arc plate.

Preferably, the circular truncated cone is arranged below the spiral ring, and the inner part of the circular truncated cone is connected with the outer surface of the screw in a penetrating and rotating mode.

Preferably, the outer surface of the circular truncated cone is fixedly connected with a dislocation motor, and the output end of the dislocation motor is fixedly connected with a screw rod through a coupler.

Preferably, the outer surface of the screw rod is in threaded connection with a solenoid, and one end of the solenoid is fixedly connected with the outer surface of the arc plate.

Advantageous effects

The utility model provides a grain demoulding structure in harmless type plastic products. Compared with the prior art, the method has the following beneficial effects:

(1) this grain demoulding structure in harmless type plastic product, through setting up demoulding mechanism, at first, through the arc strip, the arc board, the combination of baffle and circle cover and bottom plate, can form the die cavity of moulding plastics, make the injection molding can have inside line, after the injection molding shaping, traction motor rotates the threaded connection through screw rod and spiro, make the spiro descend along the screw rod, simultaneously because the spiro is connected with the arc strip through the connecting strip, the spiro descends and can be slided in opposite directions through connecting strip pulling arc strip, thereby make the arc strip break away from being connected with the injection molding, and remove the spacing to the inside line of injection molding, inside line receives the damage when having avoided the injection molding drawing of patterns, the problem of easy damage of inside line when having solved the injection molding product drawing of patterns of inside line through the combination of above-mentioned structure.

(2) Line demoulding structure in this harmless type plastic products, through setting up the dislocation subassembly, break away from and be connected the back with the injection molding when the arc motion, the dislocation motor rotates the threaded connection through lead screw and screwed pipe, the screw rod slides and drives the arc board motion along the lead screw, break away from the connection with the injection molding equally behind the arc board motion, and form the dislocation between the arc, do not influence mutually, through the combination of above-mentioned structure the easy problem of damaging of inside line when having the injection molding product drawing of patterns of inside line.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a front view of the internal structure of the present invention.

In the figure: the device comprises a base plate 1, a round sleeve 2, a thimble 3, a demoulding mechanism 4, a traction motor 41, an arc bar 42, a limiting groove 43, an arc plate 44, a dislocation assembly 45, a sliding groove 451, a circular table 452, a circular truncated cone 453, a sliding block 454, a dislocation motor 455, a screw rod 456, a solenoid 46, a limiting block 47, a screw rod 48, a baffle 49, a spiral ring 410 and a connecting strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a non-destructive demolding structure for inner grains of a plastic product comprises a bottom plate 1, wherein the bottom plate 1 is installed on an injection molding station of an injection molding machine, the top of the bottom plate 1 is fixedly connected with a round sleeve 2, whether the round sleeve 2 is used or not is determined according to actual requirements, the inner wall of the bottom plate 1 is movably connected with a thimble 3 in a penetrating mode, the thimble 3 is connected with an external driving device, and a demolding mechanism 4 is arranged outside the bottom plate 1; the demoulding mechanism 4 comprises a traction motor 41, arc strips 42 and a limiting groove 43, wherein the traction motor 41 is made of a stepping motor and is electrically connected with an external control circuit, the arc strips 42 are symmetrically arranged on the periphery of the top of the bottom plate 1, the bottom of the arc strip 42 is movably connected with the top of the bottom plate 1, an arc plate 44 is arranged between two adjacent arc strips 42, the arc strips 42 and the arc plate 44 are made of materials with better sealing performance, the arc strips 42 and the arc plates 44 are adjacently connected in a staggered manner, meanwhile, the side surfaces of the arc strips 42 and the sliding plate 44 are smooth, the mutual limiting of movement is avoided, the stroke of the arc strips 42 is larger than that of the arc plates 44, the left side and the right side of the outer surface of the arc plate 44 are movably connected with the outer surface of the arc strips 42, the arc plates 44 slide on the top of the bottom plate 1 through a staggered assembly 45, the limiting groove 43 is arranged on the top of the bottom plate 1, the inner surface of the limiting groove 43 is connected with a limiting block 46 in a sliding manner, the limiting groove 43 and the limiting block 46 are in a T shape to enhance the stability of the arc strips 42 in movement, the top of the limiting block 46 is fixedly connected with the bottom of the arc strip 42, the bottom of the traction motor 41 is fixedly connected with the top of the bottom plate 1, the output end of the traction motor 41 is fixedly connected with a screw 47 through a coupler, the top end of the screw 47 is fixedly connected with a baffle 48, the baffle 48 is made of a material with good sealing performance and wear resistance, the bottom of the baffle 48 is respectively movably connected with the tops of the arc strip 42 and the arc plate 44, the outer surface of the screw 47 is in threaded connection with a spiral ring 49, the outer surface of the spiral ring 49 is in rotary connection with a connecting strip 410, one end of the connecting strip 410 is in rotary connection with the outer surface of the arc strip 42, the dislocation assembly 45 comprises a sliding groove 451 and a circular table 452, the sliding groove 451 is arranged at the top of the bottom plate 1, a sliding block 453 is in sliding connection with the inner surface of the sliding groove 451, the combination of the sliding block 453 plays a guiding role when the arc plate 44 moves, and the top of the sliding block 453 is fixedly connected with the bottom of the arc plate 44, the round table 452 is arranged below the spiral ring 49, the inner portion of the round table 452 is connected with the outer surface of the screw rod 47 in a penetrating and rotating mode, the outer surface of the round table 452 is fixedly connected with a dislocation motor 454, the dislocation motor 454 is made of a stepping motor and is electrically connected with an external control circuit, the output end of the dislocation motor 454 is fixedly connected with a screw rod 455 through a coupler, the outer surface of the screw rod 455 is connected with a spiral tube 456 through threads, and one end of the spiral tube 456 is fixedly connected with the outer surface of the arc plate 44.

And those not described in detail in this specification are well within the skill of the art.

When the injection molding machine works, firstly, an injection molding mold cavity can be formed through the combination of the arc strip 42, the arc plate 44, the baffle plate 48, the round sleeve 2 and the bottom plate 1, so that an injection molded part can have internal grains, after the injection molded part is molded, the traction motor 41 rotates and is in threaded connection with the spiral ring 49 through the screw rod 47, so that the spiral ring 49 descends along the screw rod 47, meanwhile, as the spiral ring 49 is connected with the arc strip 42 through the connecting strip 410, the spiral ring 49 descends and pulls the arc strip 42 to slide towards each other through the connecting strip 410, so that the arc strip 42 is separated from the connection with the injection molded part, the limit on the internal grains of the injection molded part is released, the internal grains are prevented from being damaged when the injection molded part is demolded, meanwhile, after the arc strip 42 moves to be separated from the connection with the injection molded part, the dislocation motor 454 rotates and is in threaded connection with the spiral pipe 456 slides along the screw rod 455 and drives the arc plate 44 to move, and the arc plate 44 also separates from the connection with the injection molded part after moving, and the arc strips 42 are staggered without affecting each other, and the ejector rod 3 is driven by an external driving device to move, so that the ejector rod 3 ejects the injection molding part for demolding.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a line demoulding structure in harmless type plastic products, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a round sleeve (2), the inner wall of the bottom plate (1) is movably connected with a thimble (3) in a penetrating way, and the outside of the bottom plate (1) is provided with a demoulding mechanism (4);

demoulding mechanism (4) includes traction motor (41), arc strip (42) and spacing groove (43), arc strip (42) symmetry sets up around bottom plate (1) top, the bottom of arc strip (42) and the top swing joint of bottom plate (1), two adjacent be provided with arc board (44) between arc strip (42), the left and right sides of arc board (44) surface all with the surface swing joint of arc strip (42), arc board (44) slide at the top of bottom plate (1) through dislocation subassembly (45), the top of seting up at bottom plate (1) of spacing groove (43), the internal surface sliding connection of spacing groove (43) has stopper (46), the bottom fixed connection of the top of stopper (46) and arc strip (42), the bottom of traction motor (41) and the top fixed connection of bottom plate (1), the output of traction motor (41) passes through shaft coupling fixedly connected with screw rod (47), the top fixedly connected with baffle (48) of screw rod (47), the bottom of baffle (48) respectively with the top swing joint of arc strip (42) and arc board (44), the surface threaded connection of screw rod (47) has spiro (49), the surface of spiro (49) rotates and is connected with connecting strip (410), the one end of connecting strip (410) rotates with the surface of arc strip (42) and is connected.

2. The inner grain demolding structure of an undamaged plastic product as claimed in claim 1, wherein: the dislocation assembly (45) comprises a sliding groove (451) and a circular truncated cone (452), and the sliding groove (451) is formed in the top of the bottom plate (1).

3. The inner grain demolding structure of an undamaged plastic product as claimed in claim 2, wherein: the inner surface of the sliding groove (451) is connected with a sliding block (453) in a sliding mode, and the top of the sliding block (453) is fixedly connected with the bottom of the arc plate (44).

4. The inner grain demolding structure of an undamaged plastic product as claimed in claim 2, wherein: the round platform (452) is arranged below the spiral ring (49), and the interior of the round platform (452) is connected with the outer surface of the screw rod (47) in a penetrating and rotating mode.

5. The inner grain demolding structure of an undamaged plastic product as claimed in claim 2, wherein: the outer surface of the round platform (452) is fixedly connected with a dislocation motor (454), and the output end of the dislocation motor (454) is fixedly connected with a screw rod (455) through a coupler.

6. The inner grain demolding structure for the lossless plastic product as claimed in claim 5, wherein: the outer surface of the screw rod (455) is in threaded connection with a solenoid (456), and one end of the solenoid (456) is fixedly connected with the outer surface of the arc plate (44).