Mould capable of realizing zero-degree demoulding

Abstract

The utility model relates to the technical field of injection mold structures, in particular to a zero-degree demolding mold. Comprising an upper mold assembly, a lower mold assembly, a base and a demolding driving assembly. The upper die assembly comprises an upper die core. The lower mold assembly comprises a lower mold plate and a lower mold core, the lower mold plate comprises a fixed plate and a movable plate, the fixed plate is arranged on the base, the demolding driving assembly drives the movable plate to ascend and descend, the lower mold core comprises a fixed core part and a movable core part, the fixed core part is arranged on the fixed plate, and the movable core part is arranged on the movable plate; the upper mold core is provided with a forming outer top face, the movable core part is provided with a forming outer side face, the fixed core part is provided with a forming inner side face and a forming inner top face, and the forming outer top face, the forming outer side face, the forming inner side face and the forming inner top face define a mold cavity. Therefore, a traditional sliding block sliding demolding structure is replaced, the movement stroke in the demolding process is reduced, and the purpose of reducing energy consumption is achieved.

Description

Technical Field

[0001] This utility model relates to the field of injection mold structure technology, and in particular to a zero-degree demolding mold. Background Technology

[0002] like Figure 7 The workpiece 100 shown has the following characteristics: it is a plastic workpiece with a large volume and a sloping side surface. In injection molding, it usually adopts a structure with side sliders to assist in molding. When demolding, the side slider slides out and the workpiece is ejected by the ejector pin. This structure has the characteristics of large mold volume and long demolding process, resulting in high mold manufacturing cost and high energy consumption, which cannot meet production needs and needs to be improved. Summary of the Invention

[0003] In order to overcome the disadvantage of high mold cost in the existing technology, the purpose of this utility model is to provide a zero-degree demolding mold to reduce production costs.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A zero-degree demolding mold includes an upper mold assembly, a lower mold assembly, a base, and a demolding drive assembly;

[0006] The upper mold assembly includes an upper mold core;

[0007] The lower mold assembly includes a lower template and a lower mold core. The lower template includes a fixed plate and a movable plate. The fixed plate is located on the base. The demolding drive assembly drives the movable plate to rise and fall. The lower mold core includes a fixed core and a movable core. The fixed core is located on the fixed plate, and the movable core is located on the movable plate.

[0008] The upper mold core has a molding outer top surface, the movable core has a molding outer side surface, and the fixed core has a molding inner side surface and a molding inner top surface. The molding outer top surface, molding outer side surface, molding inner side surface, and molding inner top surface surround the mold cavity.

[0009] Furthermore, the demolding drive assembly includes a drive source and a lifting component. The drive source is located on the base and drives the lifting component to move. The lifting component is connected to the movable plate.

[0010] Furthermore, the fixing plate is provided with a guide groove, which penetrates the fixing plate along the height direction, and the lifting component is slidably connected to the guide groove.

[0011] Furthermore, the fixed core is provided with a first inclined surface, and the movable core is provided with a second inclined surface. The first inclined surface and the second inclined surface are in contact with each other. The first inclined surface is located close to the mold cavity, and the second inclined surface is located close to the mold cavity.

[0012] Furthermore, the fixed core is provided with a limiting platform, the movable core is provided with a bottom surface, the limiting platform is used to stop the bottom surface from moving downward, the limiting platform is intersecting with the first inclined surface, and the bottom surface is intersecting with the second inclined surface.

[0013] Furthermore, it also includes a lifting assembly, which includes a lifting plate, a mounting plate, and a plurality of ejector pins;

[0014] The fixing plate is provided with a plurality of first through holes, and the fixing core is provided with a plurality of second through holes. The central axis of one of the first through holes coincides with the central axis of one of the second through holes. An ejector pin passes through one of the first through holes and one of the second through holes and extends into the mold cavity.

[0015] The beneficial effects of this utility model are as follows: By setting the lower template to include a fixed plate and a movable plate, and the lower mold core to include a fixed core and a movable core, with the fixed core located on the fixed plate and the movable core located on the movable plate, the movable plate is driven to rise and fall by the demolding drive assembly, so that the movable core rises and falls relative to the fixed core, pushing the workpiece to move and realizing the pre-demolding of the workpiece. This replaces the traditional sliding demolding structure of the slider, reduces the movement stroke in the demolding process, and achieves the purpose of reducing energy consumption. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a cross-sectional view of the present invention;

[0018] Figure 3 This is a schematic diagram of the upper mold assembly and lower mold assembly of this utility model;

[0019] Figure 4 This is a schematic diagram of the disassembled structure of the upper mold assembly and the lower mold assembly of this utility model;

[0020] Figure 5 This is a schematic diagram showing the assembly state of the upper mold core, fixed core, and movable core of this utility model;

[0021] Figure 6 This is a schematic diagram showing the disassembled structure of the upper mold core, fixed core, and movable core of this utility model.

[0022] Figure 7 This is a drawing of the workpiece's outline.

[0023] The reference numerals in the figures include:

[0024] 1—Upper mold assembly 11—Upper mold core 11a Forming outer top surface

[0025] 2—Lower mold assembly 21—Lower template 211—Fixing plate

[0026] 2111—Guide groove; 212—Modible plate; 22—Lower mold core

[0027] 221—Fixed core; 22b—Molded outer surface; 222—Modible core

[0028] 22c—Molded inner side surface; 22d—Molded inner top surface; 22x—Limiting platform

[0029] 22y—bottom surface; 22m—first inclined plane; 22n—second inclined plane

[0030] 3—Base; 4—Demolding drive assembly; 41—Drive source

[0031] 42—Lifting component; 5—Lifting assembly; 51—Lifting plate

[0032] 52—Mounting plate; 53—Ejector pin; 100—Product. Detailed Implementation

[0033] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.

[0034] Please see Figures 1 to 6 The present invention provides a zero-degree demolding mold, comprising an upper mold assembly 1, a lower mold assembly 2, a base 3, and a demolding drive assembly 4;

[0035] The upper mold assembly 1 includes an upper mold core 11;

[0036] The lower mold assembly 2 includes a lower template 21 and a lower mold core 22. The lower template 21 includes a fixed plate 211 and a movable plate 212. The fixed plate 211 is disposed on the base 3. The demolding drive assembly 4 drives the movable plate 212 to rise and fall. The lower mold core 22 includes a fixed core 221 and a movable core 222. The fixed core 221 is disposed on the fixed plate 211, and the movable core 222 is disposed on the movable plate 212.

[0037] The upper mold core 11 is provided with a molding outer top surface 11a, the movable core 222 is provided with a molding outer side surface 22b, and the fixed core 221 is provided with a molding inner side surface 22c and a molding inner top surface 22d. The molding outer top surface 11a, the molding outer side surface 22b, the molding inner side surface 22c and the molding inner top surface 22d surround the mold cavity.

[0038] Specifically, in this embodiment, the upper mold core 11 is provided with a forming outer top surface 11a, the lower mold plate 21 includes a fixed plate 211 and a movable plate 212, and the lower mold 22 includes a fixed core 221 and a movable core 222. The fixed core 221 is provided on the fixed plate 211, and the movable core 222 is provided on the movable plate 212. The movable core 222 is provided with a forming outer side surface 22b, and the fixed core 221 is provided with a forming inner side surface 22c and a forming inner top surface 22d. The forming outer top surface 11a, forming outer side surface 22b, forming inner side surface 22c, and forming inner top surface 22d surround the mold cavity to complete the forming of the workpiece 100. After forming, the demolding drive assembly 4 drives the movable plate 212 to move upward, and the movable core 222 moves upward synchronously. The movable core 222 pushes the workpiece 100 to move up and down, and the workpiece 100 moves relative to the fixed core 221 to realize the pre-demolding of the workpiece 100.

[0039] By setting the lower template 21 to include a fixed plate 211 and a movable plate 212, and the lower mold core 22 to include a fixed core 221 and a movable core 222, with the fixed core 221 located on the fixed plate 211 and the movable core 222 located on the movable plate 212, the demolding drive assembly 4 drives the movable plate 212 to rise and fall, causing the movable core 222 to rise and fall relative to the fixed core 221, pushing the workpiece 100 to move and achieving pre-demolding of the workpiece 100. This replaces the traditional sliding demolding structure of the slider, reduces the movement stroke during the demolding process, and achieves the purpose of reducing energy consumption.

[0040] The demolding drive assembly 4 includes a drive source 41 and a lifting component 42. The drive source 41 is located on the base 3 and drives the lifting component 42 to move. The lifting component 42 is connected to the movable plate 212. Preferably, the drive source 41 adopts the principle of using a servo motor to drive the lifting plate 42 to lift, thereby achieving the purpose of lifting the movable plate 212.

[0041] The fixed plate 211 is provided with a guide groove 2111, which extends through the fixed plate 211 along its height direction. The lifting component 42 is slidably connected to the guide groove 2111. The guide groove 2111 ensures the stability of the lifting component 42 during its lifting motion.

[0042] The fixed core 221 is provided with a first inclined surface 22m, and the movable core 222 is provided with a second inclined surface 22n. The first inclined surface 22m and the second inclined surface 22n are in contact with each other. The first inclined surface 22m is located close to the mold cavity, and the second inclined surface 22n is located close to the mold cavity. The arrangement of the first inclined surface 22m and the second inclined surface 22n further ensures the stability of the movable core 222 during the lifting process relative to the fixed core 221.

[0043] The fixed core 221 is provided with a limiting platform 22x, and the movable core 222 is provided with a bottom surface 22y. The limiting platform 22x is used to stop the bottom surface 22y from moving downward. The limiting platform 22x is intersecting with the first inclined plane 22m, and the bottom surface 22y is intersecting with the second inclined plane 22n. The setting of the limiting platform 22x has a limiting effect on the lifting and lowering of the movable core 222.

[0044] It also includes a lifting assembly 5, which includes a lifting plate 51, a mounting plate 52 and a plurality of ejector pins 53;

[0045] The fixing plate 211 is provided with a plurality of first through holes, and the fixing core 221 is provided with a plurality of second through holes. The central axis of one of the first through holes coincides with the central axis of one of the second through holes. An ejector pin 53 passes through one of the first through holes and one of the second through holes and extends into the mold cavity. The ejector pin 53 abuts against the workpiece 100 and plays a demolding role during the lifting process of the lifting plate 51.

[0046] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. A zero-degree demolding mold, characterized in that: It includes an upper mold assembly (1), a lower mold assembly (2), a base (3), and a demolding drive assembly (4); The upper mold assembly (1) includes an upper mold core (11); The lower mold assembly (2) includes a lower template (21) and a lower mold core (22). The lower template (21) includes a fixed plate (211) and a movable plate (212). The fixed plate (211) is located on the base (3). The demolding drive assembly (4) drives the movable plate (212) to rise and fall. The lower mold core (22) includes a fixed core (221) and a movable core (222). The fixed core (221) is located on the fixed plate (211), and the movable core (222) is located on the movable plate (212). The upper mold core (11) is provided with a molding outer top surface (11a), the movable core (222) is provided with a molding outer side surface (22b), and the fixed core (221) is provided with a molding inner side surface (22c) and a molding inner top surface (22d). The molding outer top surface (11a), molding outer side surface (22b), molding inner side surface (22c) and molding inner top surface (22d) surround the mold cavity.

2. The zero-degree demolding mold according to claim 1, characterized in that: The demolding drive assembly (4) includes a drive source (41) and a lifting component (42). The drive source (41) is located on the base (3) and drives the lifting component (42) to move. The lifting component (42) is connected to the movable plate (212).

3. The zero-degree demolding mold according to claim 2, characterized in that: The fixed plate (211) is provided with a guide groove (2111), which passes through the fixed plate (211) along the height direction of the fixed plate (211), and the lifting member (42) is slidably connected to the guide groove (2111).

4. The zero-degree demolding mold according to claim 1, characterized in that: The fixed core (221) is provided with a first inclined surface (22m), and the movable core (222) is provided with a second inclined surface (22n). The first inclined surface (22m) and the second inclined surface (22n) are in contact. The first inclined surface (22m) is located close to the mold cavity, and the second inclined surface (22n) is located close to the mold cavity.

5. The zero-degree demolding mold according to claim 4, characterized in that: The fixed core (221) is provided with a limiting platform (22x), and the movable core (222) is provided with a bottom surface (22y). The limiting platform (22x) is used to stop the bottom surface (22y) from moving downward. The limiting platform (22x) is intersecting with the first inclined plane (22m), and the bottom surface (22y) is intersecting with the second inclined plane (22n).

6. The zero-degree demolding mold according to claim 1, characterized in that: It also includes a lifting assembly (5), which includes a lifting plate (51), a mounting plate (52) and a plurality of ejector pins (53); The fixing plate (211) is provided with a plurality of first through holes, and the fixing core (221) is provided with a plurality of second through holes. The central axis of one of the first through holes coincides with the central axis of one of the second through holes. An ejector pin (53) passes through one of the first through holes and one of the second through holes and extends into the mold cavity.

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