CN221736972U - Rotary demoulding mechanism of plastic toy injection mould - Google Patents

Abstract

The utility model discloses a rotary demolding mechanism of a plastic toy injection mold, which relates to the technical field of plastic toy injection molding and comprises a base and a top plate, wherein a cushion block is fixedly connected to the top end of the base, a fixed plate is fixedly connected to the bottom end of the top plate, a feed inlet is formed in the top end of the top plate, a mold core is arranged on the inner side of the fixed plate, a rotary jacking mechanism is arranged at the bottom end of the mold core and comprises a driving motor, the output end of the driving motor is in threaded connection with a threaded sleeve, the top end of the threaded sleeve is arranged on the inner side of the mold core, and a bearing plate is arranged on the top end of the threaded sleeve. According to the utility model, the driving mechanism is arranged at the bottom end of the die core, so that the threaded sleeve can be effectively driven to move up and down, the bearing plate is arranged on the inner side of the die core, the positioning mechanism is arranged at the bottom end of the bearing plate, the bearing plate can be effectively driven to move up and down under the driving of the threaded sleeve, the finished die can be rapidly ejected from the top end of the die core, and the demoulding operation can be rapidly completed.

Description

A rotary demoulding mechanism for plastic toy injection mold

Technical Field

The utility model relates to the technical field of plastic toy injection molding, in particular to a rotary demoulding mechanism of a plastic toy injection molding mold.

Background Art

Plastic toys are toys made of plastic as the main raw material. According to the plastic molding process, they are divided into injection molded toys, blow molded toys, rotational molded toys, slush molded toys, inflatable toys, etc.

According to the rotary demolding mold of a building block toy injection mold provided by patent No. 202010114148.3, a concave mold plate is fixed on the fixed mold plate, a push plate guide column is fixed between the movable mold fixed plate and the bottom plate, the push plate guide column is slidably connected to the push plate, the outer body of the sliding sleeve matches the guide hole, the sliding sleeve is embedded outside the guide hole, the inner side wall of the guide hole is provided with an open groove, the other end of the slider passes through the open groove and is rotatably connected to the sliding sleeve, the screw is threadedly connected to the threaded sleeve; the threaded sleeve is rotatably connected to the rotating seat, the rotating seat is hinged to the connecting seat, and the connecting seat is rotatably connected to the push plate. When using the present invention, the initial angle of the mold core can be adjusted in this structure to prevent dislocation after the building blocks are spliced, and the rotation speed of the mold core can be adjusted to match the push plate push speed, and the rotation action of the mold core and the push plate push action both use the same power mechanism to reduce power costs.

However, after actual application by technicians in this field, it was found that the above device still has some disadvantages. During the demolding process, the demolding efficiency is low, and workers are required to open the entire mold, take the mold core out of the mold after it is completely cooled, and pour the cooled model out of the mold core, which is not only time-consuming and labor-intensive, but also easily causes damage to the model, affecting the quality of the finished product.

Therefore, it is necessary to invent a rotary demoulding mechanism for a plastic toy injection mold to solve the above problems.

Utility Model Content

The utility model aims to provide a rotary demoulding mechanism for a plastic toy injection mold to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solution: a rotary demoulding mechanism for a plastic toy injection mold, comprising a base and a top plate, the top end of the base is fixedly connected to a cushion block, the bottom end of the top plate is fixedly connected to a fixing plate, and the top end of the top plate is provided with a feed port;

A mold core is arranged on the inner side of the fixed plate, and a rotating jacking mechanism is arranged on the bottom end of the mold core;

The rotary lifting mechanism includes a driving motor, the output end of the driving motor is threadedly connected with a threaded sleeve, the top end of the threaded sleeve is arranged on the inner side of the mold core, the top end of the threaded sleeve is provided with a bearing plate, and the bearing plate is slidably arranged on the inner side of the mold core.

Preferably, a fixing block is fixedly connected to the bottom end of the bearing plate, and the fixing block is arranged on the inner side of the threaded sleeve. The inner sides of the threaded sleeve and the fixing block are both provided with fastening bolts, and the fixing block is fixedly connected to the inner side of the threaded sleeve by the fastening bolts.

Preferably, positioning rods are provided on both sides of the bottom end of the supporting plate, and the positioning rods are provided at the bottom end of the inner side of the mold core.

Preferably, a mounting plate is fixedly connected to the top of the driving motor, and a guide rod is symmetrically fixedly connected to the top of the mounting plate.

Preferably, both ends of the threaded sleeve are fixedly connected with connecting rods, the ends of the connecting rods are fixedly connected with sliding sleeves, and the sliding sleeves are slidably connected to the outer side of the guide rod.

The technical effects and advantages of the utility model are as follows: the utility model is provided with a driving mechanism at the bottom end of the mold core, which can effectively drive the threaded sleeve to move up and down; a carrying plate is provided on the inner side of the mold core, and a positioning mechanism is provided at the bottom end of the carrying plate. Driven by the threaded sleeve, the carrying plate can be effectively driven to move up and down, and the completed mold can be quickly ejected from the top end of the mold core, and the demoulding work can be quickly completed.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the utility model.

FIG. 2 is a schematic diagram of the structure enlarged at point A in FIG. 1 .

FIG. 3 is a schematic diagram of the internal structure of the mold core of the present invention.

FIG. 4 is a schematic diagram of the structure enlarged at point B in FIG. 3 .

In the figure: 1. base; 11. cushion block; 2. top plate; 21. feed port; 22. fixing plate; 3. mold core; 4. drive motor; 41. mounting plate; 42. threaded sleeve; 43. connecting rod; 431. sliding sleeve; 44. guide rod; 5. bearing plate; 51. positioning rod; 52. fixing block; 6. fastening bolts.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

The utility model provides a rotary demoulding mechanism for a plastic toy injection mold as shown in FIGS. 1-4 , comprising a base 1 and a top plate 2, wherein a cushion block 11 is fixedly connected to the top end of the base 1, a fixing plate 22 is fixedly connected to the bottom end of the top plate 2, and a feed port 21 is provided at the top end of the top plate 2;

A mold core 3 is disposed on the inner side of the fixed plate 22, and a rotating jacking mechanism is disposed at the bottom end of the mold core 3;

The rotary lifting mechanism includes a driving motor 4, the output end of the driving motor 4 is threadedly connected with a threaded sleeve 42, the top of the threaded sleeve 42 is arranged on the inner side of the mold core 3, the top of the threaded sleeve 42 is arranged with a bearing plate 5, the bearing plate 5 is slidably arranged on the inner side of the mold core 3, and the driving mechanism is arranged at the bottom end of the mold core 3, which can effectively drive the threaded sleeve 42 to move up and down, the inner side of the mold core 3 is arranged with a bearing plate 5, and the bottom end of the bearing plate 5 is arranged with a positioning mechanism, which can effectively drive the bearing plate 5 to move up and down under the drive of the threaded sleeve 42, and can quickly eject the completed mold from the top of the mold core 3, and can quickly complete the demoulding work;

The bottom end of the bearing plate 5 is fixedly connected with a fixing block 52, which is arranged on the inner side of the threaded sleeve 42. The inner sides of the threaded sleeve 42 and the fixing block 52 are both provided with fastening bolts 6. The fixing block 52 is fixedly connected to the inner side of the threaded sleeve 42 by the fastening bolts 6. By providing the fixing block 52, the fixing block 52 can be inserted into the inner side of the threaded sleeve 42, and the fixing block 52 is fixedly connected to the inner side of the threaded sleeve 42 by the fastening bolts 6, which can effectively separate the fixing block 52 from the threaded sleeve 42, and facilitate the disassembly and cleaning of the bearing plate 5.

Positioning rods 51 are arranged on both sides of the bottom end of the carrier plate 5. The positioning rods 51 are arranged at the bottom end of the inner side of the mold core 3. By arranging the positioning rods 51, the positioning rods 51 can be effectively arranged at the bottom end of the inner side of the mold core 3, and the carrier plate 5 can be effectively supported.

The top of the driving motor 4 is fixedly connected to a mounting plate 41, and the top of the mounting plate 41 is symmetrically fixedly connected to a guide rod 44, and both ends of the threaded sleeve 42 are fixedly connected to connecting rods 43, and the ends of the connecting rods 43 are fixedly connected to sliding sleeves 431, and the sliding sleeve 431 is slidably connected to the outside of the guide rod 44. By fixing the connecting rod 43 on the outside of the threaded sleeve 42, and fixing the other end of the connecting rod 43 with a sliding sleeve 431, and sliding sleeve 431 is slidably connected to the outside of the guide rod 44, when the driving motor 4 is started and the output shaft is driven to rotate, it can effectively rotate with the threaded sleeve 42, and at this time the threaded sleeve 42 can move upward, and the connecting rod 43, the sliding sleeve 431 and the guide rod 44 can effectively limit the threaded sleeve 42, so that the threaded sleeve 42 can move upward or downward.

Working principle of the utility model: when in use, after the injection molding work is completed, wait for the cooling to be completed. After the cooling is completed, the cushion block 11 and the fixed plate 22 are separated to expose the mold core 3, and the driving motor 4 is started to drive the output shaft to rotate, which can effectively rotate with the threaded sleeve 42. At this time, the threaded sleeve 42 can move upward, and the connecting rod 43, the sliding sleeve 431 and the guide rod 44 can effectively limit the threaded sleeve 42, so that the threaded sleeve 42 can move upward, thereby driving the bearing plate 5 fixed on the top of the threaded sleeve 42 to move upward, effectively lifting the mold, and convenient to obtain;

By setting the fixing block 52, the fixing block 52 can be inserted into the inner side of the threaded sleeve 42, and the fixing block 52 is fixedly connected to the inner side of the threaded sleeve 42 by the fastening bolts 6, which can effectively separate the fixing block 52 and the threaded sleeve 42, making it convenient to disassemble and clean the bearing plate 5.

Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A rotary demoulding mechanism for a plastic toy injection mold, comprising a base (1) and a top plate (2), wherein a cushion block (11) is fixedly connected to the top end of the base (1), a fixing plate (22) is fixedly connected to the bottom end of the top plate (2), and a feed port (21) is provided at the top end of the top plate (2); The invention is characterized in that: a mold core (3) is arranged on the inner side of the fixing plate (22), and a rotating lifting mechanism is arranged on the bottom end of the mold core (3); The rotary lifting mechanism comprises a driving motor (4), the output end of the driving motor (4) is threadedly connected to a threaded sleeve (42), the top end of the threaded sleeve (42) is arranged on the inner side of the mold core (3), the top end of the threaded sleeve (42) is provided with a bearing plate (5), and the bearing plate (5) is slidably arranged on the inner side of the mold core (3). 2. A rotary demoulding mechanism for a plastic toy injection mold according to claim 1, characterized in that: a fixing block (52) is fixedly connected to the bottom end of the supporting plate (5), and the fixing block (52) is arranged on the inner side of the threaded sleeve (42), and the inner sides of the threaded sleeve (42) and the fixing block (52) are both provided with fastening bolts (6), and the fixing block (52) is fixedly connected to the inner side of the threaded sleeve (42) by the fastening bolts (6). 3. A rotary demoulding mechanism for a plastic toy injection mold according to claim 2, characterized in that positioning rods (51) are provided on both sides of the bottom end of the supporting plate (5), and the positioning rods (51) are provided at the bottom end of the inner side of the mold core (3). 4. A rotary demoulding mechanism for a plastic toy injection mold according to claim 3, characterized in that: a mounting plate (41) is fixedly connected to the top of the driving motor (4), and a guide rod (44) is symmetrically fixedly connected to the top of the mounting plate (41). 5. A rotary demoulding mechanism for a plastic toy injection mold according to claim 4, characterized in that: both ends of the threaded sleeve (42) are fixedly connected to connecting rods (43), the ends of the connecting rods (43) are fixedly connected to sliding sleeves (431), and the sliding sleeves (431) are slidably connected to the outer side of the guide rod (44).