A mold for preventing products from sticking to mold base
By setting a combination of sliders, oblique needles and lifting drivers in the mold, the problem of product sticking to the upper mold seat during injection molding is solved, achieving convenient separation of products and improving production efficiency.
Patent Information
- Application Number
- CN202421370036.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-14
AI Technical Summary
During the injection molding process, the product is easily stuck to the upper mold base after forming, which affects production efficiency and brings difficulties in subsequent processes.
A mold including a slider, a oblique needle and a lifting driver is designed. The slider and an oblique needle are used in conjunction with each other so that the product is left in the mold cavity when the upper mold seat rises to avoid adhesion. The lifting driver is composed of a cylinder and connects the push plate and the top plate through a bearing.
The direct separation between the product and the upper mold seat is achieved, the product is avoided sticking to the upper mold seat, and the production efficiency and convenience of subsequent processes are improved.
Smart Images

Figure CN222727291U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of molds, in particular to a mold which can prevent a product from sticking to a mold base. Background Art
[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The injection mold processing is to first add the plastic into the mold, and then the mold is continuously rotated along two vertical axes and heated. Under the action of gravity and heat energy, the plastic in the mold is gradually and evenly coated, melted and adhered to the entire surface of the mold cavity, and formed into the required shape, which is then cooled and shaped.
[0003] In the manufacturing industry, product forming is a crucial link. There are also problems with molds when producing plastic products: the product is easy to stick to the upper mold base after forming. This not only affects production efficiency, but also brings considerable trouble to subsequent processes. Utility Model Content
[0004] The utility model aims to solve the above defects and provide a mold which can prevent the product from sticking to the mold base.
[0005] The purpose of the utility model is achieved in the following way: a mold for preventing products from sticking to a mold base, comprising a lower mold base and an upper mold base, the upper mold base is arranged on the top surface of the lower mold base, the top surface of the lower mold base is sequentially provided with a lower pad, a lower mold plate and a fixed plate, an opening is provided in the middle of the lower pad, a push plate is provided in the opening, a mold cavity is provided in the lower mold plate, a top plate is provided in the mold cavity, a lifting drive is provided in the lower mold base, the lifting ends of the lifting drive pass through the lower mold base and the lower mold plate, and the lifting ends of the lifting drive are connected to the top plate and the push plate, a slider is provided at the bottom of the fixed plate, an oblique pin is provided on the top surface of the push plate, a slot is provided on the bottom surface of the lower mold plate, a jack for cooperating with the oblique pin is provided on the slider, and the slider moves along the sealing position of the mold cavity.
[0006] In the above description, as a further solution, two sliders and two oblique needles are provided, and the two sliders and the two oblique needles are symmetrically arranged on the bottom surface of the bottom plate and the top surface of the push plate respectively.
[0007] In the above description, as a further solution, a first positioning block is provided at the bottom of the fixed plate, a second positioning block is provided on the side of the sliding block, the first positioning block and the second positioning block are opposite to each other, and a spring is provided between the first positioning block and the second positioning block.
[0008] In the above description, as a further solution, the top surface of the lower template is provided with an extension plate, and the slider slides along the extension plate.
[0009] In the above description, as a further solution, the upper die seat is arranged on the top surface of the fixed plate, and a guide column is connected between the fixed plate and the upper die seat.
[0010] In the above description, as a further solution, the lifting drive is composed of a cylinder.
[0011] In the above description, as a further solution, the movable end of the driver and the push plate and the movable end of the driver and the top plate are connected via bearings.
[0012] The beneficial effects produced by the utility model are as follows: this mold, which is convenient for separating products, is provided with a slider, an inclined needle and a lifting drive, so that when the upper mold base moves up, the slider first blocks the product, so that the product remains in the mold cavity first, completing the direct separation between the upper mold base and the product, and avoiding the situation where the product sticks to the upper mold base. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of an open state of a mold for preventing a product from sticking to a mold base according to the utility model;
[0014] Figure 2 It is a three-dimensional structural schematic diagram of the utility model in the injection molding state of a mold for preventing a product from sticking to a mold base;
[0015] Figure 3 This is a cross-sectional view of an open state of a mold for preventing a product from sticking to a mold base according to the utility model;
[0016] Figure 4 For this utility model Figure 3 A is a partial enlarged schematic diagram;
[0017] Figure 5 This is a three-dimensional structural cross-sectional view of the utility model in the injection molding state of a mold for preventing a product from sticking to a mold base;
[0018] In the figure: 1-lower die base, 2-upper die base, 3-lower pad, 4-lower template, 5-fixed plate, 6-opening, 7-push plate, 8-mold cavity, 9-top plate, 10-lifting drive, 11-slider, 12-oblique needle, 13-slot, 14-jack, 15-first positioning block, 16-second positioning block, 17-spring, 18-extension plate, 19-guide column, 20-bearing. DETAILED DESCRIPTION
[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0020] The embodiments described with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and cannot be understood as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meanings of "several" and "multiple" are two or more, unless otherwise clearly and specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. In this application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature can include the first and second features being in direct contact, or it can include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.
[0021] See also Figure 1-5A mold for preventing products from sticking to a mold base is specifically implemented, comprising a lower mold base 1 and an upper mold base 2, the upper mold base 2 is arranged on the top surface of the lower mold base 1, and the top surface of the lower mold base 1 is sequentially provided with a lower pad 3, a lower mold plate 4 and a fixed plate 5, an opening 6 is provided in the middle of the lower pad 3, a push plate 7 is provided in the opening 6, the push plate 7 slides in the opening 6, a mold cavity 8 is provided in the lower mold plate 4, a top plate 9 is provided in the mold cavity 8, the top plate 9 slides in the mold cavity 8, and the top plate 9 is used to eject the product, a lifting driver 10 is provided in the lower mold base 1, the lifting ends of the lifting driver 10 pass through the lower mold base 1 and the lower mold plate 4, and the lifting ends of the lifting driver 10 are connected with the top plate 9 and the push plate 7, a slider 11 is provided at the bottom of the fixed plate 5, an oblique pin 12 is provided on the top surface of the push plate 7, a slot 13 is provided on the bottom surface of the lower mold plate 4, a socket 14 for cooperating with the oblique pin 12 is provided on the slider 11, and the slider 11 moves along the sealing position of the mold cavity 8.
[0022] The working process of the embodiment of the utility model is as follows: after the injection molding is completed, the upper mold base 2 rises, the lifting driver 10 drives the lifting end, the lifting end drives the inclined needle 12 and the top plate 9, and the slider 11 moves in a direction away from the sealing of the mold cavity 8.
[0023] Specifically, two sliders 11 and two oblique needles 12 are provided, and the two sliders 11 and the two oblique needles 12 are symmetrically arranged on the bottom surface of the bottom plate and the top surface of the push plate 7. The two sliders 11 and the two oblique needles 12 are used together to make the product evenly stressed, and further make it difficult for the product to stick to the upper mold base 2.
[0024] In this embodiment, a first positioning block 15 is provided at the bottom of the fixing plate 5, and a second positioning block 16 is provided on the side of the slider 11. The first positioning block 15 and the second positioning block 16 are opposite to each other, and a spring 17 is provided between the first positioning block 15 and the second positioning block 16. The arrangement of the first positioning block 15, the second positioning block 16 and the spring 17 facilitates the reset of the slider 11. When the inclined needle 12 descends, the arrangement of the spring 17 allows the slider 11 to be quickly reset, which facilitates the subsequent injection molding work.
[0025] In this embodiment, an extension plate 18 is provided on the top surface of the lower template 4, and the slider 11 slides along the extension plate 18. The provision of the extension plate 18 increases the effective moving area of the slider 11 and improves the stability of the movement of the slider 11.
[0026] In this embodiment, the upper die seat 2 is disposed on the top surface of the fixed plate 5 , and a guide column 19 is connected between the fixed plate 5 and the upper die seat 2 .
[0027] In this embodiment, the lifting drive 10 is composed of a cylinder.
[0028] Specifically, the movable end of the driver and the push plate 7 as well as the movable end of the driver and the top plate 9 are connected via bearings 20 .
[0029] The above contents are further detailed descriptions of the present invention in combination with specific further embodiments, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as the protection scope of the present invention.
Claims
1. A mold for preventing a product from sticking to a mold base, comprising a lower mold base and an upper mold base, wherein the upper mold base is arranged on the top surface of the lower mold base, and is characterized in that: The top surface of the lower mold base is sequentially provided with a lower pad, a lower mold plate and a fixed plate, an opening is provided in the middle of the lower pad, a push plate is provided in the opening, a mold cavity is provided in the lower mold plate, a top plate is provided in the mold cavity, a lifting drive is provided in the lower mold base, the lifting ends of the lifting drive pass through the lower mold base and the lower mold plate, and the lifting ends of the lifting drive are connected to the top plate and the push plate, a slider is provided at the bottom of the fixed plate, an oblique pin is provided on the top surface of the push plate, a slot is provided on the bottom surface of the lower mold plate, a socket for cooperating with the oblique pin is provided on the slider, and the slider moves along the sealing position of the mold cavity.
2. A mold for preventing a product from sticking to a mold base according to claim 1, characterized in that: There are two sliders and two oblique needles, and the two sliders and the two oblique needles are symmetrically arranged on the bottom surface of the bottom plate and the top surface of the push plate respectively.
3. A mold for preventing a product from sticking to a mold base according to claim 1 or 2, characterized in that: A first positioning block is disposed at the bottom of the fixing plate, and a second positioning block is disposed on the side of the sliding block. The first positioning block is opposite to the second positioning block, and a spring is disposed between the first positioning block and the second positioning block.
4. A mold for preventing a product from sticking to a mold base according to claim 1 or 2, characterized in that: An extension plate is arranged on the top surface of the lower template, and the slide block slides along the extension plate.
5. A mold for preventing a product from sticking to a mold base according to claim 1 or 2, characterized in that: The upper die seat is arranged on the top surface of the fixed plate, and a guide column is connected between the fixed plate and the upper die seat.
6. A mold for preventing a product from sticking to a mold base according to claim 1 or 2, characterized in that: The lifting drive is composed of a cylinder.
7. A mold for preventing a product from sticking to a mold base according to claim 6, characterized in that: The movable end of the driver and the push plate are connected via bearings, as are the movable end of the driver and the top plate.