CN211994051U

CN211994051U - Injection mold convenient to side direction drawing of patterns

Info

Publication number: CN211994051U
Application number: CN202020640234.3U
Authority: CN
Inventors: 冯学飞
Original assignee: Shenzhen Zhongtuo Molding Technology Co ltd
Current assignee: Shenzhen Zhongtuo Molding Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-11-24
Anticipated expiration: 2030-04-24

Abstract

The utility model provides an injection mold convenient for lateral demolding, which comprises an upper template and a lower template, wherein an upper cavity is movably arranged below the upper template, a supporting leg is fixed at the top of the lower template, the supporting leg is fixed with a lower cavity, the upper cavity is provided with a first driven sliding rod and a second driven sliding rod, the first driven sliding rod and the second driven sliding rod are both connected with a master gear through teeth, the master gear is connected with a driving sliding rod, the first driven sliding rod and the second driven sliding rod are fixed with an outer sleeve, a lateral core is fixed at one side of the outer sleeve, the upper cavity is provided with a first driven sliding rod and a second driven sliding rod, the first driven sliding rod and the second driven sliding rod are indirectly fixed with a lateral core, the first driven sliding rod and the second driven sliding rod are both driven by the driving sliding rod, the driving sliding rod is pulled by the upper cavity, the lateral cores at two sides of the injection mold can be simultaneously convenient for demolding, and simple structure is convenient for the dismouting and the change of side direction core more.

Description

Injection mold convenient to side direction drawing of patterns

Technical Field

The utility model relates to the technical field of mold, especially, relate to an injection mold convenient to side direction drawing of patterns.

Background

Injection molding is a method in which a resin is heated to a molten state, injected into a mold having a desired shape at high speed and high pressure, cooled, and opened to obtain a molded article. With the continuous improvement of the performance of plastic raw materials, the process of replacing steel with plastic and replacing wood with plastic for parts in various industries is further accelerated, the proportion of plastic models is gradually increased, and higher requirements are also put forward on injection molds. When the plastic part is injection molded, when the plastic part is provided with structures such as inner and outer side holes or undercuts and the like which are inconsistent with the mold opening direction, a lateral parting core-pulling mechanism is required to be arranged for smooth demolding of the plastic part. However, the existing injection mold for lateral demolding is high in demolding difficulty and low in speed, and double lateral demolding is difficult to realize, so that the working efficiency of the injection mold is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the utility model provides an injection mold convenient for lateral demolding, which comprises an upper mold plate and a lower mold plate, wherein a hot runner plate is fixedly connected below the upper mold plate, an upper cavity is movably connected below the hot runner plate, a supporting leg is fixedly connected at the top of the lower mold plate, a lower cavity is fixedly connected at the top of the supporting leg, a first driven sliding rod and a second driven sliding rod are arranged outside the upper cavity, wherein, the right end of the first driven sliding rod and the left end of the second driven sliding rod are both provided with racks, the first driven sliding rod and the second driven sliding rod are both connected with a master gear through teeth, the master gear is connected with a driving sliding rod through teeth, the upper end of the driving sliding rod is fixedly connected with the upper cavity, the left end of the first driven sliding rod and the right end of the second driven sliding rod are both fixed with outer sleeves, a lateral core is fixed on one side of the outer sleeve piece close to the lower cavity.

Furthermore, the middle section of the driving sliding rod is provided with a sliding groove, an inner rack is arranged in the sliding groove, and the inner rack is connected with the main gear through teeth.

Furthermore, the lower end of the driving sliding rod is provided with a limiting long hole, and the lower cavity is provided with a limiting rod corresponding to the limiting long hole.

Furthermore, the outer side of the left end of the first driven sliding rod and the outer side of the right end of the second driven sliding rod are both sleeved with a limiting external member, and the limiting external member is fixedly installed on the lower cavity.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of injection mold convenient to side direction drawing of patterns, through being provided with first driven slide bar and the driven slide bar of second in the outside of last die cavity, indirect fixation has the side direction core on first driven slide bar and the driven slide bar of second, and first driven slide bar and the driven slide bar of second all drive through the initiative slide bar, and the initiative slide bar stimulates through last die cavity, the side direction core of the injection mold both sides of being convenient for simultaneously is demolded, and simple structure, the dismouting and the change of the side direction core of being convenient for more.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic perspective view of the present invention.

In the figure: the device comprises an upper template 1, a lower template 2, a hot runner plate 3, an upper cavity 4, supporting legs 5, a lower cavity 6, a first driven sliding rod 7, a second driven sliding rod 8, a main gear 9, a driving sliding rod 10, an outer sleeve piece 11, a lateral mold core 12, a sliding groove 13, a limiting long hole 14, a limiting rod 15 and a limiting sleeve piece 16.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly including one or more of such features.

Referring to fig. 1 to 3, the utility model provides an injection mold convenient for lateral demolding, which comprises an upper mold plate 1 and a lower mold plate 2, a hot runner plate 3 is fixedly connected below the upper mold plate 1, an upper cavity 4 is movably connected below the hot runner plate 3, a supporting leg 5 is fixedly connected on the top of the lower mold plate 2, a lower cavity 6 is fixedly connected on the top of the supporting leg 5, a first driven slide bar 7 and a second driven slide bar 8 are arranged outside the upper cavity 4, wherein the right end of the first driven slide bar 7 and the left end of the second driven slide bar 8 are both provided with racks, the first driven slide bar 7 and the second driven slide bar 8 are both connected with a main gear 9 through teeth, the main gear 9 is connected with a driving slide bar 10 through teeth, the upper end of the driving slide bar 10 is fixedly connected with the upper cavity 4, the left end of the first driven slide bar 7 and the right end of the second driven slide bar 8 are both fixed with outer sleeves 11, a lateral core 12 is fixed to the side of the outer jacket part 11 close to the lower cavity 6.

In this embodiment, the middle section of the driving sliding rod 10 is provided with a sliding groove 13, an internal rack is arranged in the sliding groove 13, and the internal rack is connected with the main gear 9 through teeth.

In this embodiment, the lower end of the driving sliding rod 10 is provided with a limiting long hole 14, and the lower cavity 6 is provided with a limiting rod 15 corresponding to the limiting long hole 14.

In this embodiment, the outer side of the left end of the first driven sliding rod 7 and the outer side of the right end of the second driven sliding rod 8 are both sleeved with a limiting sleeve 16, and the limiting sleeve 16 is fixedly installed on the lower cavity 6.

The utility model discloses a main theory of operation: through being provided with first driven slide bar 7 and second driven slide bar 8 in the outside of last die cavity 4, indirect fixation has side direction core 12 on first driven slide bar 7 and the second driven slide bar 8, and first driven slide bar 7 and second driven slide bar 8 all drive through initiative slide bar 10, and initiative slide bar 10 is through last die cavity 4 pulling, the side direction core 12 of the injection mold both sides of being convenient for simultaneously demolds, moreover, the steam generator is simple in structure, the dismouting and the change of the side direction core 12 of being convenient for more.

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 an injection mold convenient to side direction drawing of patterns which characterized in that: the hot runner mold comprises an upper mold plate (1) and a lower mold plate (2), wherein a hot runner plate (3) is fixedly connected below the upper mold plate (1), an upper cavity (4) is movably connected below the hot runner plate (3), a supporting leg (5) is fixedly connected at the top of the lower mold plate (2), a lower cavity (6) is fixedly connected at the top of the supporting leg (5), a first driven sliding rod (7) and a second driven sliding rod (8) are arranged on the outer side of the upper cavity (4), racks are arranged at the right end of the first driven sliding rod (7) and the left end of the second driven sliding rod (8), the first driven sliding rod (7) and the second driven sliding rod (8) are connected with a main gear (9) through teeth, the main gear (9) is connected with a driving sliding rod (10) through teeth, the upper end of the driving sliding rod (10) is fixedly connected with the upper cavity (4), and outer sleeve parts (11) are fixed at the left end of the first driven sliding rod (7) and the right end of the second driven sliding rod (8), and a lateral mold core (12) is fixed at one side, close to the lower cavity (6), of each outer sleeve part (11).

2. An injection mold for facilitating lateral demolding as claimed in claim 1, wherein: the middle section of the driving sliding rod (10) is provided with a sliding groove (13), an inner rack is arranged in the sliding groove (13), and the inner rack is connected with the main gear (9) through teeth.

3. An injection mold for facilitating lateral demolding as claimed in claim 1, wherein: the lower end of the driving sliding rod (10) is provided with a limiting long hole (14), and the lower cavity (6) is provided with a limiting rod (15) corresponding to the limiting long hole (14).

4. An injection mold for facilitating lateral demolding as claimed in claim 1, wherein: the left end outer side of the first driven sliding rod (7) and the right end outer side of the second driven sliding rod (8) are both sleeved with a limiting external member (16), and the limiting external member (16) is fixedly installed on the lower cavity (6).