CN218966057U

CN218966057U - Injection molding equipment is used in plastic toy production

Info

Publication number: CN218966057U
Application number: CN202320087559.7U
Authority: CN
Inventors: 李章�; 沈智娜
Original assignee: Shantou City Chenghai District Bohua Science And Education Industrial Co ltd
Current assignee: Shantou City Chenghai District Bohua Science And Education Industrial Co ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-05-05
Anticipated expiration: 2033-01-30

Abstract

The utility model relates to the technical field of injection molding equipment, and discloses injection molding equipment for plastic toy production, which comprises an equipment outer frame assembly and a molding die assembly, wherein the molding die assembly comprises an upper die and a lower die, a die cavity is formed in the lower die, a bottom plate is arranged in the die cavity and is in sealed sliding with the lower die, four demolding assemblies uniformly distributed in a rectangular array are arranged on one side of the lower end of the inner part of the lower die, the demolding assemblies comprise driving motors fixedly arranged through fixed inner plates, driving discs are arranged at the output ends of the driving motors, eccentric columns are rotatably arranged outside the driving discs, and fixed inner blocks are arranged on one side of the front end of the outer part of the fixed inner plates, which is positioned at the upper end of the driving discs. The mode that the reciprocating pushing structure is added in the lower die and matched with the buffer air cushion to reduce the impact force enables the demolding to be more convenient.

Description

Injection molding equipment is used in plastic toy production

Technical Field

The utility model relates to the technical field of injection molding equipment, in particular to injection molding equipment for plastic toy production.

Background

The plastic toy is made of plastic as main raw material, and is divided into injection molding toy, blow molding toy, rotational molding toy, slush molding toy, inflatable toy, etc. according to plastic molding process, the injection molding toy comprises: heating the raw materials into a liquid state by an injection molding machine, injecting the liquid raw materials into a mold, and cooling and molding the liquid raw materials.

In injection molding, a plastic product in a plastic mold is generally adhered to the mold and is difficult to remove, and the ejector pin is used for ejecting the plastic product, but the mold is damaged, for example, the Chinese patent (an injection molding device for precision electronic plastics) with the publication number of CN 212860185U: including the top fixedly connected with bed die of bottom plate, offered the shaping groove on the bed die, the bottom of shaping groove inner chamber is provided with the push pedal, and the motion groove has been seted up to the symmetry on the bed die, and the inner chamber slip in motion groove alternates and is connected with the motion pole, and the square groove has been seted up to the motion groove, and the square groove symmetry is provided with the connecting rod, and logical groove has all been seted up to the both sides of square groove inner wall, and the inner chamber in logical groove is provided with the gag lever post, and one side of motion pole has been seted up with gag lever post matched with spacing groove. According to the utility model, by means of the arrangement mode that the push plate, the moving rod, the connecting rod and the limiting rods are matched, when plastic is molded in the inner cavity of the molding groove, the two limiting rods are pulled, then the moving rod is lifted upwards, and then the push plate pushes a plastic finished product to move upwards, so that the plastic finished product is pushed out of the inner cavity of the molding groove, and ejection of the plastic product is facilitated.

The prior art has a mechanism for ejecting a plastic product, but when the adhesive force between the plastic product and the inner wall of a molding groove is high, the adhesive part is damaged by continuous pushing of a top plate, so that the production quality of the plastic product is affected.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides injection molding equipment for producing plastic toys, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: injection molding equipment is used in production of plastics toy, including equipment outer frame subassembly and shaping mould subassembly, shaping mould subassembly includes mould and bed die, the inside of bed die is provided with the mould inner chamber, the internally mounted of mould inner chamber has the bottom plate, and the bottom plate is sealed to slide with the bed die, and one side of the inside rear end of bed die is provided with the air vent, four drawing of patterns subassemblies that are rectangular array evenly distributed are installed to one side of the inside lower extreme of bed die, drawing of patterns subassembly is including having driving motor through fixed inner panel fixed mounting, driving disk is installed to driving motor's output, the eccentric column is installed in the outside rotation of driving disk, fixed inner block is installed to one side that fixed inner panel outside front end is located the driving disk upper end, the inside longitudinal sliding mounting of fixed inner block has the slide bar, the transmission frame is installed to the lower extreme of slide bar, the transmission frame sets up in the outside of eccentric column, the push pedal is installed to the upper end of push pedal, the upper end of push pedal is provided with the air cushion.

Preferably, the equipment outer frame component comprises a base, an air pump is arranged on one side, located outside the lower die, of the upper end of the base, and the output end of the air pump is connected with the input end of the inflatable air cushion through a pipeline.

Preferably, the equipment outer frame assembly further comprises electric lifting mechanisms arranged at four corners of the upper end of the base, and a top plate is arranged at the upper end of each electric lifting mechanism.

Preferably, the forming die assembly further comprises a hydraulic lifter arranged at the upper end of the top plate, and the upper die is fixedly connected with the hydraulic lifter.

Preferably, a syringe is arranged at one side of the inner part of the upper end of the upper die.

Preferably, the lower die is fixedly connected with the base through bolts.

(III) beneficial effects

Compared with the prior art, the utility model provides injection molding equipment for producing plastic toys, which has the following beneficial effects:

1. starting a driving motor, enabling a driving disc at the output end of the driving motor to rotate so as to enable an eccentric column to move along with the eccentric column, driving a transmission frame, enabling a sliding rod to lift and reciprocate in cooperation with sliding of the sliding rod in a fixed inner block, enabling a push plate to lift and reciprocate along with the sliding rod, enabling an inflation air cushion at the upper end of the push plate to impact a bottom plate, enabling the bottom plate to be transmitted to a plastic product by impact, enabling the upward impact force of the bottom plate to be weakened by cooperation with the buffering capacity of the inflation air cushion, and simultaneously enabling an air pump to continuously and slowly inflate the interior of the inflation air cushion, so that the inflation stroke is greatly changed by inflation air cushion, the moving distance of the bottom plate and the pushing force of the plastic product are increased, and therefore the plastic product is demoulded, and the problem that the plastic product is damaged due to the fact that the plastic product is directly pushed to demould in the prior art in the background art is solved;

2. and connecting melting equipment of the plastic material with the injection tube, lowering the top plate by using an electric lifting mechanism to enable the upper die to be close to the lower die, starting a hydraulic lifting mechanism to enable the upper die to be combined with the lower die, and injecting the plastic material into the lower die for molding and manufacturing.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view showing the internal structure of the lower die of the present utility model;

fig. 3 is a sectional view showing the internal structure of the upper mold of the present utility model.

In the figure: 1. an equipment outer frame assembly; 2. a forming die assembly; 3. a mold cavity; 4. a bottom plate; 5. an air pump; 6. a demolding assembly; 7. a syringe;

101. a base; 102. a top plate; 103. an electric lifting mechanism;

201. a hydraulic elevator; 202. an upper die; 203. a lower die;

601. a driving motor; 602. fixing an inner plate; 603. fixing the inner block; 604. a slide bar; 605. a transmission frame; 606. a drive plate; 607. an eccentric column; 608. a push plate; 609. and (5) an inflatable air cushion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, referring to figures 1, 2 and 3, an injection molding device for plastic toy production, comprising an outer frame component 1 and a molding die component 2, wherein the molding die component 2 comprises an upper die 202 and a lower die 203, a die cavity 3 is arranged in the lower die 203, a bottom plate 4 is arranged in the die cavity 3, the bottom plate 4 and the lower die 203 slide in a sealing way, one side of the inner rear end of the lower die 203 is provided with a vent hole, one side of the lower end of the inner part of the lower die 203 is provided with four demolding components 6 uniformly distributed in a rectangular array, the demolding components 6 comprise a driving motor 601 fixedly arranged through a fixed inner plate 602, a driving disc 606 is arranged at the output end of the driving motor 601, an eccentric column 607 is rotatably arranged outside the driving disc 606, a fixed inner block 603 is arranged at one side of the outer front end of the fixed inner plate 602 positioned at the upper end of the driving disc 606, a slide bar 604 is longitudinally and slidably arranged in the fixed inner block 603, a transmission frame 605 is arranged at the lower end of the slide bar 604, the transmission frame 605 is arranged outside the eccentric column 607, a push plate 608 is arranged at the upper end of the slide bar 604, an inflatable air cushion 609 is arranged at the upper end of the push plate 608, a driving motor 601 is started, a driving disc 606 at the output end of the driving motor rotates to enable the eccentric column 607 to move along with the eccentric column, the eccentric column 607 drives the transmission frame 605, the slide bar 604 is matched with the sliding of the slide bar 604 in the fixed inner block 603 to enable the slide bar 604 to perform lifting and reciprocating motion, so that the push plate 608 is enabled to ascend and descend along with the sliding bar 604, the inflatable air cushion 609 at the upper end of the push plate 608 impacts the bottom plate 4, the plastic product is transmitted by the impact on the bottom plate 4, the buffering capacity of the inflatable air cushion 609 is matched, the upward impact force of the bottom plate 4 is weakened, meanwhile, the air pump 5 is started to continuously and slowly inflate the inside the inflatable air cushion 609, so that the inflation cushion 609 expands to change the striking stroke, the moving distance of the bottom plate 4 and the pushing force to the plastic product are increased, and the plastic product is demolded.

Further, the equipment outer frame assembly 1 comprises a base 101, an air pump 5 is arranged on one side, located outside the lower die 203, of the upper end of the base 101, the output end of the air pump 5 is connected with the input end of the inflatable cushion 609 through a pipeline, and the inflatable cushion 609 is inflated through the air pump 5 so as to expand and contract the inflatable cushion 609.

Further, referring to fig. 1, the apparatus housing assembly 1 further includes an electric lifting mechanism 103 mounted at four corners of the upper end of the base 101, and a top plate 102 is mounted on the upper end of the electric lifting mechanism 103, and the top plate 102 is used for fixing a hydraulic lifter 201 and an upper die 202.

Further, the forming die assembly 2 further comprises a hydraulic lifter 201 disposed at the upper end of the top plate 102, the upper die 202 is fixedly connected with the hydraulic lifter 201, and the combination of the upper die 202 and the lower die 203 is facilitated through the hydraulic lifter 201.

Further, an injection tube 7 is provided at one side of the inside of the upper end of the upper mold 202, and the injection tube 7 is used to inject the molten plastic material.

Further, the lower die 203 is fixedly connected to the base 101 by bolts.

The working principle of the device is as follows: the melting equipment of plastic materials is connected with the injection tube 7, the electric lifting mechanism 103 is used for descending the top plate 102 to enable the upper die 202 to be close to the lower die 203, the hydraulic lifter 201 is started to enable the upper die 202 to be combined with the lower die 203, the plastic materials are injected into the lower die 203 for molding and manufacturing, after the plastic products are cooled, the upper die 202 is lifted, the driving motor 601 is started, the driving disc 606 at the output end of the driving motor is rotated to enable the eccentric column 607 to move along with the upper die 202, the eccentric column 607 drives the driving frame 605, the sliding rod 604 is matched with the sliding of the sliding rod 604 in the fixed inner block 603 to enable the sliding rod 604 to perform lifting and reciprocating motion, accordingly, the push plate 608 moves along with the lifting motion, the air cushion 609 at the upper end of the push plate 608 impacts the bottom plate 4, the bottom plate 4 is impacted and transmitted to the plastic products, the buffering capacity of the air cushion 609 is matched, the upward impact force of the bottom plate 4 is weakened, meanwhile, the air pump 5 is started to continuously and slowly inflate the inside of the air cushion 609, the impact stroke is changed, the moving distance of the bottom plate 4 is increased, and the pushing force of the plastic products is increased, and the plastic products are demoulded.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection molding device for plastic toy production, which is characterized in that: including equipment outer frame subassembly (1) and shaping mould subassembly (2), shaping mould subassembly (2) include last mould (202) and bed die (203), the inside of bed die (203) is provided with mould inner chamber (3), the internally mounted of mould inner chamber (3) has bottom plate (4), and bottom plate (4) and bed die (203) seal slip, and one side of the inside rear end of bed die (203) is provided with the air vent, four drawing of patterns subassembly (6) that are rectangular array evenly distributed are installed to one side of the inside lower extreme of bed die (203), drawing of patterns subassembly (6) including having driving motor (601) through fixed inner panel (602) fixed mounting, driving motor (601) output is installed driving disc (606), the outside rotation of driving disc (606) is installed eccentric post (607), one side that the outside front end of fixed inner panel (602) is located driving disc (606) upper end is installed fixed inner block (603), the inside longitudinal sliding of fixed inner block (603) is installed vent (604), slide bar (604) lower slide bar (605) is installed, driving disc (605) is installed in driving disc (605) is installed to the output end of driving motor (601), the upper end of the push plate (608) is provided with an inflatable air cushion (609).

2. An injection molding apparatus for plastic toy production as claimed in claim 1, wherein: the equipment outer frame assembly (1) comprises a base (101), an air pump (5) is arranged on one side, located outside the lower die (203), of the upper end of the base (101), and the output end of the air pump (5) is connected with the input end of the inflatable air cushion (609) through a pipeline.

3. An injection molding apparatus for plastic toy production as claimed in claim 2, wherein: the equipment outer frame assembly (1) further comprises electric lifting mechanisms (103) arranged at four corners of the upper end of the base (101), and a top plate (102) is arranged at the upper end of each electric lifting mechanism (103).

4. An injection molding apparatus for plastic toy production as claimed in claim 3, wherein: the forming die assembly (2) further comprises a hydraulic lifter (201) arranged at the upper end of the top plate (102), and the upper die (202) is fixedly connected with the hydraulic lifter (201).

5. An injection molding apparatus for plastic toy production as claimed in claim 4, wherein: an injection tube (7) is arranged on one side of the inner part of the upper end of the upper die (202).

6. An injection molding apparatus for plastic toy production as claimed in claim 5, wherein: the lower die (203) is fixedly connected with the base (101) through bolts.