CN221112690U - A mold for producing medical products - Google Patents

Abstract

The utility model relates to the field of mold technology, in particular to a mold for producing medical products; comprising a base, a lower mold and an upper mold; a slider is installed inside the lower mold core, the top surface and the bottom surface of the slider are both outer arc surface structures, and the distance between the outer arc surface of the slider and the plane formed by the two ends of the slider is 0.1-0.2mm; compared with the prior art, the utility model is provided with a slider, and the top surface and the bottom surface of the slider are both outer arc surface structures. When the medical product is injection molded, the outer arc surface will abut against the upper and lower side surfaces of the hollow interior of the medical product, so that after the medical product is demoulded after injection molding, the upper and lower side surfaces of the hollow interior of the medical product are concave structures. Therefore, the medical product will continue to shrink inward during the cooling process, and the original concave surface will be deformed into a flat plane, so as to achieve the effect of anti-deformation; thereby ensuring the stability of medical product production, improving quality, reducing costs and improving production efficiency.

Description

A mold for producing medical products

Technical Field

The utility model relates to the technical field of molds, in particular to a mold for producing medical products.

Background technique

At present, in the molds used to produce medical products (the medical products are generally used on nursing beds), the medical product 11 is shown in Figure 1, and its interior is a hollow structure 12. When the medical product is demolded after injection molding, the medical product still has a certain temperature. During this cooling process, due to its hollow structure inside, the medical product will shrink slightly (making the hollow side of the medical product an uneven plane), affecting the production quality of the product. Therefore, after the medical product is demolded after injection molding, a jig needs to be inserted into the interior of the hollow structure to prevent the medical product from shrinking and affecting its quality; however, this process requires a certain amount of labor, which increases labor costs; moreover, it also increases the production process, resulting in a decrease in the production efficiency of the medical product.

Based on the above problems, we propose a mold for producing medical products.

Utility Model Content

In view of the deficiencies in the prior art, the utility model provides a mold for producing medical products. After the improvement, the mold has an anti-deformation structure inside, thereby ensuring the stability of medical product production, improving quality, reducing costs and improving production efficiency.

The technical solution of the utility model is:

A mold for producing medical products, comprising a base, a lower mold and an upper mold;

The lower mold is fixedly mounted on the base, an upper mold is arranged at one end of the lower mold away from the base, and a lower mold core and an upper mold core are arranged inside the lower mold and the upper mold respectively;

A slider is installed inside the lower mold core, and the top and bottom surfaces of the slider are both outer arc surface structures. The distance between the outer arc surface of the slider and the plane formed by the two ends of the slider is 0.1-0.2mm.

Furthermore, the distance between the outer arc surface of the slider and the plane formed by the two ends of the slider is 0.15 mm.

Furthermore, a driving cylinder is fixedly installed on the side of the lower mold, and a push rod end of the driving cylinder is connected to the lower mold and the lower mold core and the slider is fixedly connected.

Furthermore, the base is provided with a plurality of ejector pins and a driving mechanism for driving the ejector pins to move up and down, and the movable end of the ejector pin is connected to the lower mold core.

Furthermore, a feed pipe is also provided on the upper die, and the feed pipe is connected to the upper die.

The beneficial effects of the utility model are:

Compared with the prior art, the utility model is provided with a slider, and the top and bottom surfaces of the slider are both outer arc structures. When the medical product is injection molded, the outer arc surface will press against the upper and lower side surfaces of the hollow interior of the medical product, so that after the medical product is demolded after the injection molding is completed, the upper and lower side surfaces of the hollow interior of the medical product are concave structures. Therefore, the medical product will continue to shrink inward during the cooling process, and the original concave surface will be deformed into a flat plane, thereby achieving the effect of anti-deformation; thereby ensuring the stability of medical product production, improving quality, reducing costs and improving production efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the structure of an existing medical product;

Fig. 2 is a schematic diagram of the structure of the utility model;

FIG3 is a schematic diagram of the interior of the utility model;

FIG4 is a schematic diagram of the structure of the lower mold core connecting the slider of the utility model;

FIG. 5 is a schematic structural diagram of a slider of the utility model.

In the figure, 1. base; 2. lower mold; 3. upper mold; 4. lower mold core; 5. upper mold core; 6. slider; 7. outer arc surface; 8. driving cylinder; 9. ejector pin; 10. feed pipe; 11. medical product; 12. hollow structure.

Detailed ways

The specific implementation of the utility model is further described below in conjunction with the accompanying drawings:

As shown in Figures 1-5, a mold for producing medical products includes a base 1, a lower mold 2 and an upper mold 3;

The lower mold 2 is fixedly mounted on the base 1, an upper mold 3 is arranged at one end of the lower mold 2 away from the base 1, and a lower mold core 4 and an upper mold core 5 are arranged inside the lower mold 2 and the upper mold 3 respectively;

A slider 6 is installed inside the lower mold core 4, and the top and bottom surfaces of the slider 6 are both outer arc surface 7 structures. The distance between the outer arc surface 7 of the slider 6 and the plane formed by the two ends of the slider 6 is 0.1-0.2mm; in the present embodiment, the distance between the outer arc surface 7 of the slider 6 and the plane formed by the two ends of the slider 6 is quite small, which is almost difficult to observe with the naked eye (but can achieve the anti-deformation effect), because when the distance or amplitude of the outer arc surface 7 is large, the inner side surface of the injection molded medical product 11 is concave to a large extent, and during the entire cooling process, even if it is continuously shrinking, it is ultimately impossible to deform the inner side surface into a flat plane; therefore, the amplitude or distance setting of the outer arc surface 7 in the present embodiment can enable the medical product 11 to achieve a better anti-deformation effect.

As a preferred embodiment, the distance between the outer arc surface 7 of the slider 6 and the plane formed by the two ends of the slider 6 is 0.15 mm; the setting of this distance enables the medical product 11 to achieve the best anti-deformation effect; the flattening effect of the inner side is the best.

As a preferred embodiment; a driving cylinder 8 is fixedly installed on the side of the lower mold 2, and the push rod end of the driving cylinder 8 is connected to the lower mold 2 and the lower mold core 4 and is fixedly connected to the slider 6; it can be understood that after the injection molding of the medical product 11 is completed, it is necessary to drive the slider 6 to separate from the medical product 11 through the driving cylinder 8, so as to facilitate the subsequent ejector 9 to eject the medical product 11; it is worth mentioning that the interior of the lower mold 2 is also provided with a groove body moved by the slider 6, so as to facilitate the movement of the slider 6.

As a preferred embodiment; the base 1 is provided with a plurality of ejector pins 9 and a driving mechanism for driving the ejector pins 9 to move up and down. The driving mechanism can be a small cylinder and is fixedly installed on the base 1. Each ejector pin 9 is connected to a small cylinder, and the plurality of small cylinders are uniformly controlled by a controller; the movable end of the ejector pin 9 is connected to the lower mold core 4; through the setting of the plurality of ejector pins 9, the medical product 11 after injection molding can be effectively ejected, and at the same time, the medical product 11 can be evenly stressed to effectively avoid damage.

As a preferred embodiment; the upper mold 3 is also provided with a feed pipe 10, the feed pipe 10 is connected to the upper mold 3; by providing the feed pipe 10, the injection molding raw material can be injected into the lower mold core 4 and the upper mold core 5;

It should be noted that the lower mold 2 and the upper mold 3 are not fixedly connected, but are plugged together through positioning rods and positioning holes provided on the lower mold 2 and the upper mold 3. After the injection molding is completed, the upper mold 3 can be opened by an external driving mechanism for demoulding operation.

The principle of the anti-deformation of the medical product 11 of the utility model is as follows: during the injection molding process of the medical product 11, the top and bottom surfaces of the slider 6 are both outer arc surface 7 structures. When the medical product 11 is injection molded, the outer arc surface 7 will press against the upper and lower side surfaces of the hollow interior of the medical product 11, so that after the medical product 11 is demolded after the injection molding is completed, the upper and lower side surfaces of the hollow interior of the medical product 11 are concave structures. Therefore, during the cooling process, the medical product 11 will continue to shrink inward, deforming the original concave surface into a flat plane, thereby achieving the anti-deformation effect.

It should be pointed out that the main problem in the prior art is that after the medical product 11 is demoulded by injection molding, a jig needs to be inserted into the hollow structure 12 to prevent the medical product 11 from shrinking and affecting its quality. However, this process requires a certain amount of labor, thereby increasing labor costs. Moreover, the production process is increased, resulting in a decrease in the production efficiency of the medical product 11.

Therefore, through the improvement of the present application, an outer arc surface 7 structure is provided on the slider 6, so that the medical product 11 can achieve an anti-deformation effect during the cooling process, the product quality is more stable, the production efficiency is higher, and at the same time, the manpower expenditure is reduced and the production cost is reduced.

The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims (5)

1. A mold for producing a medical product, characterized by:

Comprises a base, a lower die and an upper die;

The lower die is fixedly arranged on the base, an upper die is arranged at one end, far away from the base, of the lower die, and a lower die core and an upper die core are respectively arranged in the lower die and the upper die;

The inside of the lower mold core is provided with a sliding block, the top surface and the bottom surface of the sliding block are both in an extrados structure, and the distance between the extrados of the sliding block and a plane formed by two ends of the sliding block is 0.1-0.2mm.

2. A mold for producing a medical product according to claim 1, wherein: the distance between the extrados of the sliding block and the plane formed by the two ends of the sliding block is 0.15mm.

3. A mold for producing a medical product according to claim 2, wherein: the side of the lower die is fixedly provided with a driving cylinder, and the push rod end of the driving cylinder is communicated with the lower die and the lower die core and fixedly connected with the sliding block.

4. A mold for producing a medical product according to claim 3, wherein: the base is provided with a plurality of ejector pins and a driving mechanism for driving the ejector pins to move up and down, and the movable ends of the ejector pins are communicated with the lower mold core.

5. A mold for producing a medical product according to claim 4, wherein: the upper die is further provided with a feeding pipe, and the feeding pipe is communicated with the upper die.