Fixed inner core pulling mechanism and glue injection machine

Abstract

The utility model discloses a fixed inner core-pulling mechanism and a glue injection machine, which belong to the field of glue injection molding, and comprise an upper mold and a lower mold, and a mold cavity is formed between the upper mold and the lower mold; a core pulling mechanism is arranged at the position corresponding to the mold cavity and comprises a hydraulic cylinder, a shovel base is arranged at the movable end of the hydraulic cylinder, and a connecting piece is arranged at the other end of the shovel base; the core pulling mechanism further comprises a guide column and a sliding block arranged on one side of the guide column. An inclined groove is formed between the upper die and the lower die, the guide column is inclined and connected into the inclined groove in a sliding mode, and the connecting piece penetrates through the guide column in the transverse direction. According to the fixed inner core-pulling mechanism and the glue injection machine, the shovel base is pulled by the side oil cylinder to move along the transverse direction, and the obliquely arranged guide pillar is driven by the connecting piece to move along the chute, so that the sliding block is driven to move, the sliding block completes core-pulling operation, the traditional mode of opening a mold through vertical lifting is replaced, the mold action is reduced, and the production efficiency is improved. And the production efficiency is improved, and good use value and application prospects are achieved.

Description

Technical Field

[0001] The utility model belongs to the field of injection molding, and particularly relates to a fixed inner core-pulling mechanism and an injection molding machine. Background Art

[0002] Injection molding is to inject a certain quality of sealant into a predetermined structural space to form a sealing layer, which has high sealing performance and adhesiveness, and is an injection molding process.

[0003] A technology in the production of rubber molded products, mainly used for the production of rubber molded products. In the prior art, as Figure 2 shown in [reference], the upper mold is pulled open by the machine table. When it reaches a certain distance, the base is shoveled to pull the slider out of the product rubber position. This method has a large mold opening stroke, and the gravity of the template is borne on the guide pillars, resulting in easy damage to the template during movement, low mold life and high maintenance cost. The side walls of deep cavity products are easily scratched, and the product quality is unstable.

[0004] Therefore, we introduce a fixed inner core-pulling mechanism and an injection molding machine to solve the above problems. Summary of the Utility Model

[0005] In view of one or more of the above defects or improvement requirements of the prior art, the utility model provides a fixed inner core-pulling mechanism and an injection molding machine. It uses a side oil cylinder to pull the base to move horizontally, and uses a connecting piece to drive an inclined guide pillar to move along an inclined groove, and then drives the slider to move, so that the slider completes the core-pulling operation, replacing the traditional way of directly opening the mold by vertical lifting. By reducing the mold actions, the production efficiency and the production qualified rate are improved.

[0006] To achieve the above object, the utility model provides a fixed inner core-pulling mechanism and an injection molding machine, which includes an upper mold and a lower mold. The upper mold and the lower mold are connected by connecting columns, and a mold cavity is formed between the upper mold and the lower mold; and a core-pulling mechanism is arranged corresponding to the setting position of the mold cavity. The core-pulling mechanism is horizontally arranged between the upper mold and the lower mold; the core-pulling mechanism includes a hydraulic cylinder, and a base is arranged at the movable end of the hydraulic cylinder. The other end of the base is provided with a connecting piece, and a chute is horizontally arranged between the upper mold and the lower mold. The base and the connecting piece are slidably connected in the chute; the core-pulling mechanism further includes a guide pillar and a slider arranged on one side of the guide pillar; and an inclined groove is arranged between the upper mold and the lower mold corresponding to the guide pillar. The guide pillar is inclined and slidably connected in the inclined groove; the connecting piece horizontally penetrates through the guide pillar, so that when the connecting piece moves horizontally, it can drive the guide pillar to move along the inclined groove.

[0007] As a further improvement of the present utility model, the connecting member includes a horizontal portion and an inclined portion. One end of the horizontal portion is connected to the shovel base, and the other end is connected to the inclined portion. The inclined portion penetrates through the guide post.

[0008] As a further improvement of the present utility model, the height difference between the inclined portion and the horizontal portion matches the height of the inclined groove.

[0009] As a further improvement of the present utility model, the hydraulic cylinder is assembled on the lower die through a mounting member.

[0010] As a further improvement of the present utility model, the lower die is supported on the ground through feet.

[0011] As a further improvement of the present utility model, the cross-sectional size of the guide post is larger than the cross-sectional size of the slider

[0012] On this basis, the present utility model further provides a glue injection machine, which includes the above-mentioned fixed internal core-pulling mechanism.

[0013] As long as the above-mentioned improved technical features do not conflict with each other, they can be combined with each other.

[0014] Generally speaking, compared with the prior art, the beneficial effects of the above technical solutions conceived by the present utility model include:

[0015] The fixed internal core-pulling mechanism and the glue injection machine of the present utility model use a side oil cylinder to pull the shovel base to move horizontally, and use a connecting member to drive the inclined guide post to move along the inclined groove, thereby driving the slider to move, so that the slider completes the core-pulling operation, replacing the traditional method of directly opening the mold by vertical lifting. By reducing the mold actions, the production efficiency and the production yield of good products are improved, and it has good use value and application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is an overall cross-sectional structure schematic diagram of the fixed internal core-pulling mechanism and the glue injection machine in the embodiment of the present utility model;

[0017] Figure 2 is an overall structure schematic diagram of the glue injection machine in the prior art;

[0018] In all the drawings, the same reference numerals represent the same technical features, specifically: 100, upper die; 101, connecting column; 200, lower die; 300, slider core-pulling mechanism; 301, hydraulic cylinder; 302, mounting member; 303, shovel base; 304, connecting member; 305, guide post; 306, slider; 307, inclined groove; 400, feet. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the objectives, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. In addition, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0021] Please refer to Figure 1 , in the fixed internal core-pulling mechanism in the preferred embodiment of the present utility model, a side oil cylinder is used to pull the base along the transverse direction, and a connecting member is used to drive the inclined guide post to move along the inclined groove, and then drive the slider to move, so that the slider completes the core-pulling operation, replacing the traditional method of directly opening the mold by vertical lifting. By reducing the mold actions, the production efficiency and the production yield of good products are improved.

[0022] Please refer to Figure 2 , Figure 2 is a cross-sectional view of an injection molding machine in the prior art, which includes an upper mold and a lower mold. The mold cavity is located between the upper mold and the lower mold, and the mold is opened by an oil cylinder vertically arranged between the upper mold and the lower mold. This method has a large mold opening stroke, and the gravity of the template is borne on the guide posts, resulting in easy damage to the template during movement, low mold life and high maintenance cost, and easy scratching of the side walls of deep cavity products, and unstable product quality.

[0023] Specifically, as shown in Figure 1 , in the fixed internal core-pulling mechanism in the preferred embodiment of the present utility model, it includes an upper mold 100 and a lower mold 200. The upper mold 100 and the lower mold 200 are connected by a connecting column 101, and a mold cavity is formed between the upper mold 100 and the lower mold 200; and a core-pulling mechanism 300 is arranged corresponding to the position of the mold cavity. The core-pulling mechanism 300 is arranged horizontally between the upper mold 100 and the lower mold 200; the core-pulling mechanism 300 includes a hydraulic cylinder 301, and a base 303 is arranged at the movable end of the hydraulic cylinder 301. The other end of the base 303 is provided with a connecting member 304, and a sliding groove is arranged horizontally between the upper mold 100 and the lower mold 200. The base 303 and the connecting member 304 are slidably connected in the sliding groove; the core-pulling mechanism 300 further includes a guide post 305 and a slider 306 arranged on one side of the guide post 305; and an inclined groove 307 is arranged between the upper mold 100 and the lower mold 200 corresponding to the guide post 305. The guide post 305 is inclined and slidably connected in the inclined groove 307; the connecting member 304 penetrates the guide post 305 horizontally, so that when the connecting member 304 moves horizontally, it can drive the guide post 305 to move along the inclined groove 307.

[0024] More specifically, the connecting member 304 in the preferred embodiment of the present utility model includes a horizontal portion and an inclined portion. One end of the horizontal portion is connected to the shovel base 303, and the other end is connected to the inclined portion. The inclined portion penetrates through the guide post 305. Further preferably, as Figure 1 shown, the height difference between the inclined portion and the horizontal portion matches the height of the inclined groove 307. When the shovel base 303 moves horizontally driven by the hydraulic cylinder 301, the inclined portion can pass through the guide post 305, and then drive the guide post 305 to move along the direction of the inclined groove 307, so that the slider 306 can be disengaged from the mold cavity, realizing the demolding of the product.

[0025] In the actual design process, as Figure 1 shown, the hydraulic cylinder 301 in the preferred embodiment of the present utility model is assembled on the lower mold 200 through the mounting member 302. And the lower mold 200 is supported on the ground by the feet 400.

[0026] Further preferably, the cross-sectional size of the guide post 305 is larger than the cross-sectional size of the slider 306.

[0027] On this basis, the present utility model also provides a glue injection machine, which is characterized in that it has the fixed internal core-pulling mechanism in the above-mentioned preferred embodiment.

[0028] The fixed internal core-pulling mechanism and the glue injection machine of the present utility model use a side oil cylinder to pull the shovel base to move horizontally, and use a connecting member to drive the inclined guide post to move along the inclined groove, and then drive the slider to move, so that the slider completes the core-pulling operation, replacing the traditional way of directly opening the mold by vertical lifting. By reducing the mold actions, the production efficiency and the production yield of good products are improved, and it has good use value and application prospect.

[0029] The fixed internal core-pulling mechanism and the glue injection machine in the present utility model

[0030] Those skilled in the art can easily understand that the above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A fixed internal core-pulling mechanism, characterized in that, It includes an upper die (100) and a lower die (200). The upper die (100) and the lower die (200) are connected by connecting columns (101), and a die cavity is formed between the upper die (100) and the lower die (200). A core-pulling mechanism (300) is provided corresponding to the setting position of the die cavity. The core-pulling mechanism (300) is arranged horizontally between the upper die (100) and the lower die (200). The core-pulling mechanism (300) includes a hydraulic cylinder (301). A spade base (303) is provided at the movable end of the hydraulic cylinder (301). The other end of the spade base (303) is provided with a connecting member (304). A chute is arranged horizontally between the upper die (100) and the lower die (200). The spade base (303) and the connecting member (304) are slidably connected in the chute. The core-pulling mechanism (300) further includes a guide post (305) and a slider (306) arranged on one side of the guide post (305). Corresponding to the guide post (305), an inclined chute (307) is arranged between the upper die (100) and the lower die (200). The guide post (305) is inclined and slidably connected in the inclined chute (307). The connecting member (304) penetrates the guide post (305) horizontally. When the connecting member (304) moves horizontally, it can drive the guide post (305) to move along the inclined chute (307).

2. The fixed internal core-pulling mechanism according to claim 1, characterized in that, The connecting member (304) includes a horizontal portion and an inclined portion. One end of the horizontal portion is connected to the spade base (303), and the other end is connected to the inclined portion. The inclined portion penetrates the guide post (305).

3. The fixed internal core-pulling mechanism according to claim 2, characterized in that, The height difference between the inclined portion and the horizontal portion matches the height of the inclined chute (307).

4. The fixed internal core-pulling mechanism according to any one of claims 1 to 3, characterized in that, The hydraulic cylinder (301) is assembled on the lower die (200) through a mounting member (302).

5. The fixed internal core-pulling mechanism according to claim 1, wherein The lower die (200) is supported on the ground by feet (400).

6. The fixed internal core-pulling mechanism according to claim 1, wherein The cross-sectional size of the guide post (305) is larger than the cross-sectional size of the slider (306).

7. A glue injection machine, characterized in that, It includes the fixed internal core-pulling mechanism according to any one of claims 1 to 6.

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