CN219276492U

CN219276492U - Injection mold for plastic product production

Info

Publication number: CN219276492U
Application number: CN202222985019.9U
Authority: CN
Inventors: 潘小航; 胡晓华
Original assignee: Dongguan Xingchuang Precision Mould Co ltd
Current assignee: Dongguan Xingchuang Precision Mould Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-06-30
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to the technical field of dies, in particular to an injection die for producing plastic products, which comprises a die body and a tooth twisting column core movably arranged in the die body, and is characterized in that: the injection mold for plastic product production comprises a containing cavity arranged in the mold body and a driving device arranged in the mold body, wherein the first end of the tooth-twisting column core extends into the containing cavity; the driving device acts on the accommodating cavity and is in driving connection with the tooth-twisting column core and used for driving the tooth-twisting column core to rotate. According to the injection mold for plastic product production, disclosed by the utility model, a manual means is abandoned for demolding the hinge pin core, and an automatic means is adopted for rotating the hinge pin core, so that the hinge pin core can be demolded from a plastic product, and the injection mold has the advantages of high demolding efficiency and good demolding effect, and is very worthy of popularization.

Description

Injection mold for plastic product production

Technical Field

The utility model relates to the technical field of molds, in particular to an injection mold for plastic product production.

Background

Injection molding, also known as injection molding, is a method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns, various shapes, large size, accurate product size, easy updating of the product, and capability of forming parts with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing. Most plastic products are produced by injection molding with injection molds.

In the prior art, in the injection molding of plastic products, when the plastic products need to be injection molded with internal threads, corresponding screw thread column cores are arranged on a mold, the screw thread column cores are generally arranged in an injection molding cavity of the mold, when the plastic products can form hole sites with the internal threads in injection molding, the screw thread column cores need to be rotated after injection molding is finished, so that the screw thread column cores are demolded, and in the prior art, the screw thread column cores are usually demolded in a manual mode, so that the demolding efficiency is lower, and further improvement is needed.

Disclosure of Invention

Based on the above, the utility model provides an injection mold for plastic product production, which aims to solve the problem of lower demolding efficiency caused by demolding of a twisted tooth column core manually.

In order to solve the technical problems, the utility model adopts the following technical scheme: the injection mold for producing the plastic product comprises a mold body and a tooth-twisting column core movably arranged in the mold body, wherein the injection mold for producing the plastic product comprises a containing cavity arranged in the mold body and a driving device arranged in the mold body, and a first end of the tooth-twisting column core extends into the containing cavity; the driving device acts on the accommodating cavity and is in driving connection with the tooth-twisting column core and used for driving the tooth-twisting column core to rotate.

Preferably, the driving device comprises a first gear arranged at the first end of the tooth column core and a driving mechanism arranged on the die body, and the driving mechanism is in driving connection with the first gear and is used for driving the first gear to rotate.

Preferably, the driving mechanism comprises a mounting part arranged on the die body, a rack arranged on the mounting part in a sliding manner, and a pushing assembly arranged on the mounting part, wherein the rack is meshed with the first gear, and the pushing assembly drives the first gear to rotate by pushing the rack.

Preferably, the pushing assembly comprises a mounting seat arranged on the mounting part, a second gear rotatably arranged on the mounting seat and a power unit arranged on the mounting part; the power unit is in driving connection with the second gear and is used for driving the second gear to rotate, and the second gear is meshed with the rack.

Preferably, the power unit comprises a power piece arranged on the mounting seat and a transmission subunit arranged on the mounting seat, and the power piece drives the second gear to rotate through the transmission subunit.

Preferably, the transmission subunit comprises a first bevel gear rotatably arranged on the mounting seat and a second bevel gear arranged at the output end of the power piece, the first bevel gear and the second bevel gear are coaxially arranged, and the first bevel gear is meshed with the second bevel gear.

Preferably, the power piece is a motor, and an output shaft of the motor is connected with the second gear.

Preferably, the mounting portion is provided with a groove, the rack is provided with a bump corresponding to the groove, and the bump and the groove are slidably arranged.

The beneficial effects of the utility model are as follows: according to the injection mold for plastic product production, disclosed by the utility model, a manual means is abandoned for demolding the hinge pin core, and an automatic means is adopted for rotating the hinge pin core, so that the hinge pin core can be demolded from a plastic product, and the injection mold has the advantages of high demolding efficiency and good demolding effect, and is very worthy of popularization.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present utility model;

fig. 2 is a schematic structural view of a driving device according to the embodiment of the present utility model;

FIG. 3 is an exploded view of the die body of this embodiment of the utility model;

fig. 4 is an exploded view of the die body of this embodiment of the utility model.

Reference numerals illustrate: 10. a die body; 20. a tooth column core; 30. a receiving chamber; 40. a driving device; 41. a first gear; 42. a mounting part; 43. a rack; 44. a mounting base; 45. a second gear; 46. a motor; 47. a first bevel gear; 48. and a second bevel gear.

Detailed Description

The present utility model will be described more fully hereinafter in order to facilitate an understanding of the present utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 to 4, an injection mold for producing plastic products includes a mold body 10 and a hinge pin core 20 movably disposed in the mold body 10, the injection mold for producing plastic products includes a receiving cavity 30 disposed in the mold body 10 and a driving device 40 disposed in the mold body 10, and a first end of the hinge pin core 20 extends into the receiving cavity 30; the driving device 40 acts in the accommodating cavity 30, is in driving connection with the wringer strut core 20, and is used for driving the wringer strut core 20 to rotate. Specifically, when the insert pin 20 needs to be touched during operation, the driving device 40 is started, the driving device 40 drives the insert pin 20 to rotate, and the insert pin 20 can be demolded from the plastic product by rotating. According to the injection mold for plastic product production, a manual means is abandoned for demolding the hinge pin core 20, and an automatic means is adopted for rotating the hinge pin core 20, so that the hinge pin core 20 can be demolded from a plastic product, and the injection mold has the advantages of high demolding efficiency and good demolding effect, and is very worthy of popularization.

Further, in the present embodiment, the driving device 40 includes a first gear 41 disposed at the first end of the hinge pin 20 and a driving mechanism disposed on the mold body 10, and the driving mechanism is in driving connection with the first gear 41 for driving the first gear 41 to rotate. Specifically, when the screw driver is required to drive the screw driver core 20 to rotate during operation, the driving mechanism is started, the driving mechanism can rotate the first gear 41, the first gear 41 rotates to drive the screw driver core 20 to rotate, and the screw driver has the advantages of good transmission effect and high transmission efficiency.

Further, in the present embodiment, the driving mechanism includes a mounting portion 42 provided on the mold body 10, a rack 43 slidably provided on the mounting portion 42, and a pushing assembly provided on the mounting portion 42, the rack 43 is engaged with the first gear 41, and the pushing assembly drives the first gear 41 to rotate by pushing the rack 43. Specifically, the mounting portion 42 is provided outside the die body 10. When the first gear 41 is required to be driven to rotate in operation, the pushing component is started, the pushing component drives the rack 43 to slide on the mounting part 42, the sliding of the rack 43 drives the first gear 41 to rotate, and the device has the advantages of good conveying effect, good transmission effect and high transmission efficiency. Simple structure and easy maintenance.

Further, in the present embodiment, the mounting portion 42 is provided with a linear groove (not shown in the drawings), and the rack 43 is provided with a projection (not shown in the drawings) corresponding to the groove, the projection being slidably disposed with the groove. With this arrangement, the rack 43 can slide linearly on the mounting portion 42, thereby driving the first gear 41 to rotate.

Further, in the present embodiment, the pushing assembly includes a mounting seat 44 provided on the mounting portion 42, a second gear 45 rotatably provided on the mounting seat 44, and a power unit provided on the mounting portion 42; the power unit is in driving connection with the second gear 45 and is used for driving the second gear 45 to rotate, and the second gear 45 is meshed with the rack 43. Specifically, when the rack 43 is driven to move during operation, the power unit is started, the power unit shifts the second gear 45 to rotate, and the second gear 45 rotates to drive the rack 43 to slide.

Further, in the present embodiment, the power unit includes a power member disposed on the mounting seat 44 and a transmission subunit disposed on the mounting seat 44, and the power member drives the second gear 45 to rotate through the transmission subunit. Further, in this embodiment, the power member is a motor 46, and an output shaft of the motor 46 is connected to the second gear 45. Further, in the present embodiment, the transmission subunit includes a first bevel gear 47 rotatably provided on the mount 44 and a second bevel gear 48 provided at the output end of the power member, the first bevel gear 47 is provided coaxially with the second gear 45, and the first bevel gear 47 meshes with the second bevel gear 48. Specifically, when the second gear 45 needs to be driven to rotate during operation, the motor 46 is started, the motor 46 drives the second bevel gear 48 to rotate, the second bevel gear 48 rotates to drive the first bevel gear 47 to rotate, the first bevel gear 47 rotates to drive the second bevel gear 48 to rotate, and the second bevel gear 48 rotates to drive the second gear 45 to rotate. By means of the arrangement, the hinge pin core 20 can be finally driven to rotate by starting the motor 46, so that the automation of the demolding of the hinge pin core 20 is realized, and the technical advancement is improved.

The following provides a complete description of the implementation principle of the present embodiment: when the packing element 20 needs to be touched, the motor 46 is started, the motor 46 drives the second bevel gear 48 to rotate, the second bevel gear 48 rotates to drive the first bevel gear 47 to rotate, the first bevel gear 47 rotates to drive the second bevel gear 48 to rotate, the second bevel gear 48 rotates to drive the second gear 45 to rotate, and the second gear 45 rotates to drive the rack 43 to linearly move on the mounting part 42, so that the first gear 41 can be driven to rotate.

Thereby obtaining the beneficial effects: according to the injection mold for plastic product production, a manual means is abandoned for demolding the hinge pin core 20, and an automatic means is adopted for rotating the hinge pin core 20, so that the hinge pin core 20 can be demolded from a plastic product, and the injection mold has the advantages of high demolding efficiency and good demolding effect, and is very worthy of popularization.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. Injection mold is used in plastic products production, including mould body and activity set up in the hank tooth post core in the mould body, its characterized in that: the injection mold for plastic product production comprises a containing cavity arranged in the mold body and a driving device arranged in the mold body, wherein the first end of the tooth-twisting column core extends into the containing cavity; the driving device acts on the accommodating cavity and is in driving connection with the tooth-twisting column core and used for driving the tooth-twisting column core to rotate.

2. The injection mold for plastic product production according to claim 1, wherein: the driving device comprises a first gear arranged at the first end of the tooth-twisting column core and a driving mechanism arranged on the die body, wherein the driving mechanism is in driving connection with the first gear and is used for driving the first gear to rotate.

3. The injection mold for plastic product production according to claim 2, wherein: the driving mechanism comprises a mounting part arranged on the die body, a rack arranged on the mounting part in a sliding manner and a pushing assembly arranged on the mounting part, wherein the rack is meshed with the first gear, and the pushing assembly drives the first gear to rotate by pushing the rack.

4. An injection mold for plastic product production according to claim 3, wherein: the pushing assembly comprises a mounting seat arranged on the mounting part, a second gear rotationally arranged on the mounting seat and a power unit arranged on the mounting part; the power unit is in driving connection with the second gear and is used for driving the second gear to rotate, and the second gear is meshed with the rack.

5. The injection mold for plastic product production according to claim 4, wherein: the power unit comprises a power piece arranged on the mounting seat and a transmission subunit arranged on the mounting seat, and the power piece drives the second gear to rotate through the transmission subunit.

6. The injection mold for plastic product production according to claim 5, wherein: the transmission subunit comprises a first bevel gear and a second bevel gear, the first bevel gear is rotatably arranged on the mounting seat, the second bevel gear is arranged at the output end of the power piece, the first bevel gear is coaxially arranged with the second bevel gear, and the first bevel gear is meshed with the second bevel gear.

7. The injection mold for plastic product production according to claim 6, wherein: the power piece selects the motor, the output shaft of motor with the second gear is connected.

8. An injection mold for plastic product production according to claim 3, wherein: the installation department is equipped with the recess, the rack be equipped with the lug that the recess corresponds, lug and recess slip setting.