Injection mold with cooling structure

Abstract

The utility model discloses an injection mold with a cooling structure, and particularly relates to the field of injection molds, the injection mold comprises a lower mold base, a mounting plate is fixed at the bottom of the lower mold base, and an upper mold base is arranged at the top of the lower mold base; the device is provided with a cooling pipeline protection device, after a shielding door is closed, the outer side of the cooling pipeline can be shielded and protected, when the shielding door needs to be opened, the shielding door can be conveniently unlocked, normal use and maintenance of the cooling pipeline are facilitated, and the purpose of ensuring the stable cooling effect is achieved; the condition that the cooling pipeline is easily contaminated by stains is avoided; the device is provided with the stabilizing mechanism, the lower bottom face of the movable shielding plate can be attached to the upper top face of the metal mounting pad, then the position of the movable shielding plate is conveniently fixed, the top of the metal mounting pad is limited and reinforced through the movable shielding plate, and therefore the connecting stability between the lower die base and the mounting plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold with a cooling structure. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors and patterns, shapes from simple to complex, sizes from large to small, and precise product dimensions. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes. Injection molds are molds used in the injection molding process.

[0003] A Chinese patent discloses an injection mold (authorization announcement number CN 209079079 U). The patented technology includes: an injection mold front mold and an injection mold back mold. The injection mold front mold is used to fit with the injection mold back mold. The injection mold front mold includes a front mold fixing plate, a positioning ring, a glue inlet, a front mold seat plate and a flow channel. The positioning ring is arranged on the front mold fixing plate. The glue inlet is connected to the positioning ring, and the front mold seat plate is arranged on the front mold fixing plate. The injection mold of the utility model forms a mold forming cavity by the provided injection mold front mold and the injection mold back mold. The injection mold front mold and the injection mold back mold cooperate to form a product after injecting plastic melt and cooling and shaping. In the process of injecting plastic melt, a buffer is provided to change the flow rate of the plastic melt during the flow of the fluid, thereby reducing the phenomenon of the plastic melt producing stamping marks on the product, improving the quality and appearance of the product, and reducing the stamping marks, thereby further improving the qualified rate of the product.

[0004] However, during use, the above-mentioned injection mold generally adopts water cooling to achieve cooling and cooling. Some channels are arranged inside the mold to introduce cooling water into the mold to reduce the mold temperature. However, the outer side of the channel mouth lacks protection, and there is a problem that stains are easily stuck and difficult to clean. Therefore, technical personnel in this field provide an injection mold with a cooling and cooling structure to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0005] The purpose of the utility model is to provide an injection mold with a cooling structure to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an injection mold with a cooling structure, comprising a lower mold base, a mounting plate is fixed at the bottom of the lower mold base, an upper mold base is arranged on the top of the lower mold base, a connecting spring is installed inside the lower mold base, a cooling pipeline protection device is arranged on the outer side of the lower mold base, and a stabilizing mechanism is installed on the top of the mounting plate;

[0007] The cooling pipeline protection device includes a shielding door, a metal hinge is provided on the outer side of the shielding door, a positioning hole is opened inside the shielding door, a closed shell is fixed on the outer side of the lower mold base, a fixed bracket is installed on the outer side of the closed shell, and a rotating bracket is rotatably connected to the outer side of the fixed bracket through a rotating shaft, a return spring is provided on the inner wall of one side of the closed shell, and one end of the return spring is connected to a movable connecting pad.

[0008] As a further solution of the utility model: a movable column is fixed on one side of the movable connecting pad, a positioning rod is arranged on one side of the movable connecting pad, a fixed metal frame is fixed on the outer side of the rotating bracket, a rotating metal frame is rotatably connected to the outer side of the fixed metal frame via a rotating shaft, and one side of the rotating metal frame is threadedly connected to a positioning threaded rod running through the other side thereof.

[0009] As a further solution of the utility model: two thread grooves adapted to the positioning threaded rod are provided inside the connecting spring, and one side of the fixing bracket is embedded and fixed inside the lower die base.

[0010] As a further solution of the utility model: the stabilizing mechanism includes a fixed guide pad, the top of the fixed guide pad is slidably connected to a guide slider through a slide groove, a movable shielding plate is installed on the outer side of the guide slider, a plastic plate is fixed on the top of the movable shielding plate, a metal mounting pad is fixed on the outer side of the lower mold base, a movable semi-threaded column is installed on the top of the movable shielding plate, a fixed semi-threaded column is fixed on the top of the mounting plate, and metal nuts are threadedly connected to the outer sides of the movable semi-threaded column and the fixed semi-threaded column.

[0011] As a further solution of the utility model: the outer side of the metal nut is provided with anti-slip grooves, and the fixed guide pad and the mounting plate are fixedly connected.

[0012] As a further solution of the utility model: the lower bottom surface of the movable shielding plate is fitted with the upper top surface of the metal mounting pad, and the plastic plate and the movable shielding plate are bonded and fixed.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] 1. The device is provided with a cooling pipeline protection device. After the shielding door is closed, it can shield and protect the outside of the cooling pipeline. When the shielding door needs to be opened, the shielding door can be easily unlocked, which is conducive to the normal use and maintenance of the cooling pipeline, achieving the purpose of ensuring the stability of the cooling effect, avoiding the situation where the cooling pipeline is easily stained, effectively improving the use efficiency of the injection mold and extending its service life, thereby improving production efficiency and product quality;

[0015] 2. The device is provided with a stabilizing mechanism. After the lower mold base and the mounting plate are fixedly connected, the user can move the plastic plate to allow the plastic plate to drive the movable shielding plate and the guide slider to move at the same time. At this time, the lower bottom surface of the movable shielding plate can be fitted with the upper top surface of the metal mounting pad, and then the position of the movable shielding plate can be easily fixed. The top of the metal mounting pad can be limited and reinforced by the movable shielding plate, thereby improving the connection stability between the lower mold base and the mounting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the cooling waterway protection device of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of the closed shell of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the stabilizing mechanism of the utility model;

[0021] In the figure: 1. lower die base; 2. mounting plate; 3. upper die base; 4. connecting spring; 5. cooling pipe protection device; 51. shielding door; 52. metal hinge; 53. positioning hole; 54. closed shell; 55. fixed bracket; 56. rotating bracket; 57. reset spring; 58. movable connecting pad; 59. movable column; 510. fixed metal frame; 511. rotating metal frame; 512. positioning rod; 513. positioning threaded rod; 6. stabilizing mechanism; 61. fixed guide pad; 62. guide slider; 63. movable shielding plate; 64. plastic plate; 65. metal mounting pad; 66. movable semi-threaded column; 67. metal nut; 68. fixed semi-threaded column. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 3The utility model provides an injection mold with a cooling structure, including a lower mold base 1, a mounting plate 2 is fixed at the bottom of the lower mold base 1, an upper mold base 3 is arranged on the top of the lower mold base 1, a connecting spring 4 is installed inside the lower mold base 1, a cooling pipeline protection device 5 is arranged on the outside of the lower mold base 1, and a stabilizing mechanism 6 is installed on the top of the mounting plate 2;

[0024] The cooling pipeline protection device 5 includes a shielding door 51, which plays a role in protecting the outer side of the cooling pipeline. A metal hinge 52 is arranged on the outer side of the shielding door 51, and a positioning hole 53 is opened inside the shielding door 51. The positioning hole 53 plays a positioning role. A closed shell 54 is fixed to the outer side of the lower mold base 1, and the closed shell 54 plays a role in protecting the outer side. A fixed bracket 55 is installed on the outer side of the closed shell 54. The outer side of the fixed bracket 55 is rotatably connected to a rotating bracket 56 through a rotating shaft. A reset spring 57 is arranged on the inner wall of one side of the closed shell 54. The reset spring 57 is arranged on the inner wall of the closed shell 54. One end of the spring 57 is connected to a movable connecting pad 58, one side of the movable connecting pad 58 is fixed with a movable column 59, one side of the movable connecting pad 58 is provided with a positioning rod 512, a fixed metal frame 510 is fixed to the outer side of the rotating bracket 56, the outer side of the fixed metal frame 510 is rotatably connected to a rotating metal frame 511 through a rotating shaft, one side of the rotating metal frame 511 is threadedly connected to a positioning threaded rod 513 running through the other side thereof, two threaded grooves matching the positioning threaded rod 513 are provided inside the connecting spring 4, and one side of the fixed bracket 55 is embedded and fixed inside the lower mold base 1.

[0025] When the shielding door 51 is in use, after closing, the shielding door 51 can shield and protect the outer side of the cooling pipeline. When the shielding door 51 needs to be opened, the operator only needs to rotate the positioning threaded rod 513 counterclockwise to remove the positioning threaded rod 513 from the closed shell 54, and then the limit of the position of the rotating metal frame 511 can be released. Then, the return spring 57 in the closed shell 54 provides elastic force to push the movable connecting pad 58, so that the movable connecting pad 58 drives the movable column 59 to move, and the movable column 59 pushes the rotating bracket 56, so that the movable connecting pad 58 simultaneously drives the positioning rod 512 to move, so that one end of the positioning rod 512 is removed from the corresponding positioning hole 53, thereby releasing the lock of the shielding door 51, which is beneficial to the normal use and maintenance of the cooling pipeline, and achieves the purpose of ensuring the stability of the cooling effect, avoiding the situation where the cooling pipeline is easily stained, effectively improving the use efficiency of the injection mold and extending its service life, thereby improving production efficiency and product quality.

[0026] See also Figure 1 and Figure 4The utility model provides an injection mold with a cooling structure. The stabilizing mechanism 6 includes a fixed guide pad 61, which plays a guiding role. The top of the fixed guide pad 61 is slidably connected with a guide slider 62 through a slide groove. A movable shielding plate 63 is installed on the outer side of the guide slider 62. The movable shielding plate 63 plays a role of shielding and reinforcement. A plastic plate 64 is fixed on the top of the movable shielding plate 63, and the plastic plate 64 plays the role of a handle. A metal mounting pad 65 is fixed to the outer side of the lower mold base 1. The lower bottom surface of the movable shielding plate 63 is fitted with the upper top surface of the metal mounting pad 65. The plastic plate 64 and the movable shielding plate 63 are bonded and fixed. A movable semi-threaded column 66 is installed on the top of the movable shielding plate 63, and a fixed semi-threaded column 68 is fixed on the top of the mounting plate 2. The outer sides of the movable semi-threaded column 66 and the fixed semi-threaded column 68 are threadedly connected with a metal nut 67, and the outer side of the metal nut 67 is provided with anti-slip grooves. The fixed guide pad 61 and the mounting plate 2 are fixedly connected.

[0027] During use of the device, after the lower mold base 1 and the mounting plate 2 are fixedly connected, the user can move the plastic plate 64 to allow the plastic plate 64 to drive the movable shielding plate 63 and the guide slider 62 to move simultaneously. At this time, the lower bottom surface of the movable shielding plate 63 can be fitted with the upper top surface of the metal mounting pad 65, and the corresponding surface of the movable semi-threaded column 66 on the top of the movable shielding plate 63 is fitted with the outer side of the fixed semi-threaded column 68. The metal nut 67 can be used to thread the movable semi-threaded column 66 and the fixed semi-threaded column 68, so as to conveniently complete the fixing of the position of the movable shielding plate 63, and limit and reinforce the top of the metal mounting pad 65 by the movable shielding plate 63, thereby improving the connection stability between the lower mold base 1 and the mounting plate 2.

[0028] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An injection mold with a cooling structure, comprising a lower mold base (1), characterized in that: A mounting plate (2) is fixed to the bottom of the lower die base (1), an upper die base (3) is arranged on the top of the lower die base (1), a connecting spring (4) is installed inside the lower die base (1), a cooling pipeline protection device (5) is arranged on the outside of the lower die base (1), and a stabilizing mechanism (6) is installed on the top of the mounting plate (2); The cooling pipeline protection device (5) comprises a shielding door (51), the outer side of the shielding door (51) is provided with a metal hinge (52), the interior of the shielding door (51) is provided with a positioning hole (53), the outer side of the lower mold base (1) is fixed with a closed shell (54), the outer side of the closed shell (54) is installed with a fixed bracket (55), the outer side of the fixed bracket (55) is rotatably connected to a rotating bracket (56) via a rotating shaft, and a return spring (57) is provided on the inner wall of one side of the closed shell (54), and one end of the return spring (57) is connected to a movable connecting pad (58).

2. The injection mold with a cooling structure according to claim 1, characterized in that: A movable column (59) is fixed on one side of the movable connection pad (58), a positioning rod (512) is provided on one side of the movable connection pad (58), a fixed metal frame (510) is fixed on the outer side of the rotating bracket (56), the outer side of the fixed metal frame (510) is rotatably connected to a rotating metal frame (511) via a rotating shaft, and one side of the rotating metal frame (511) is threadedly connected to a positioning threaded rod (513) that passes through the other side thereof.

3. The injection mold with a cooling structure according to claim 2, characterized in that: Two thread grooves adapted to the positioning threaded rod (513) are provided inside the connecting spring (4), and one side of the fixing bracket (55) is embedded and fixed inside the lower die base (1).

4. The injection mold with a cooling structure according to claim 1, characterized in that: The stabilizing mechanism (6) comprises a fixed guide pad (61), the top of the fixed guide pad (61) is slidably connected to a guide slider (62) via a slide groove, a movable shielding plate (63) is installed on the outer side of the guide slider (62), a plastic plate (64) is fixed on the top of the movable shielding plate (63), a metal mounting pad (65) is fixed on the outer side of the lower mold base (1), a movable semi-threaded column (66) is installed on the top of the movable shielding plate (63), a fixed semi-threaded column (68) is fixed on the top of the mounting plate (2), and metal nuts (67) are threadedly connected to the outer sides of the movable semi-threaded column (66) and the fixed semi-threaded column (68).

5. The injection mold with a cooling structure according to claim 4, characterized in that: The outer side of the metal nut (67) is provided with anti-slip grooves, and the fixed guide pad (61) and the mounting plate (2) are fixedly connected.

6. The injection mold with a cooling structure according to claim 4, characterized in that: The lower bottom surface of the movable shielding plate (63) is in contact with the upper top surface of the metal mounting pad (65), and the plastic plate (64) and the movable shielding plate (63) are bonded and fixed.

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