Mould for simply forming horn part

By introducing snap components and guide chutes into the horn part forming mold, the processing technology is simplified, and the complexity of traditional mold structure is solved, manufacturing efficiency and product quality are improved, and costs are reduced.

CN223199451UActive Publication Date: 2025-08-08SUNWAY PLASTIC & ELECTRONICS ZHUHAI +1
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Patent Information

Application Number
CN202422121254.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-08-08
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

The mold release mechanism of traditional horn parts molding molds is complex in structure, requiring the installation of press plates and T-shaped grooves, which leads to long processing time, high space requirements and low manufacturing efficiency.

Method used

The snap assembly and guide chute structure are adopted, and the machining process is simplified through the cooperation of the shovel and the sliding block, and the guide chute is processed using a milling machine to reduce the number of pressure plates, and the mold opening spring provides separation thrust to achieve efficient mold release.

Benefits of technology

It improves mold manufacturing efficiency, reduces processing costs and difficulty, ensures product appearance quality, shortens production cycle, and enhances the reliability and stability of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mold for simply molding a horn part, belongs to the technical field of injection molding molds, mainly aims at solving the problem of low mold manufacturing efficiency caused by complex processing of a demolding mechanism of a traditional molding mold, and adopts the following technical scheme that the mold comprises a mold core assembly which comprises a rear mold core; a front mold core is arranged at the top of the rear mold core, a plate B is arranged at the bottom of the rear mold core, a plate A is arranged at the top of the front mold core, a through groove is formed in the top of the plate A, the bottom end of the inverted buckle penetrates through the through groove to make contact with a product, and multiple sets of buckle assemblies are arranged on the peripheral side of the inverted buckle and connected with multiple sets of buckle positions on the product correspondingly; through the arrangement of the buckle assembly, the guide sliding groove is adopted to replace a T-shaped groove, two pressing plates are removed, one step is adopted, and one pressing plate is used for pressing the slide, so that the number of spare and accessory parts of the mold and the machining amount on the mold are reduced, and the machining difficulty and cost of the mold are reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of injection molding molds, and more specifically, relates to an injection mold for simply molding speaker parts. Background Art

[0002] In modern manufacturing, molds play a very important role in the product injection molding process; and speaker parts, as a common acoustic equipment component, their production quality has a significant impact on the market competitiveness of the product.

[0003] Speaker parts usually have multiple snap-in features, and traditional molding molds need to be equipped with a corresponding number of mechanisms; a common method is to use a front mold inclined top mechanism, but this will increase the thickness of the mold, requiring the use of a larger injection molding machine during the production process. Large machines are not only expensive to purchase, but also consume more energy during the production process, thereby significantly increasing production costs; another common demolding mechanism is the front mold shrinkage. The head of a conventional shrinkage slide needs to extend to the top of the snap position, and pressure plates need to be installed on both sides of the slide, and T-slots are used to drive the slide movement. The space requirements are relatively high, and the processing process is relatively complicated. The processing of the T-slot requires a wire cutting machine to operate, and the processing is time-consuming, which affects the manufacturing efficiency of the mold. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a mold for simple molding of speaker parts to solve the technical problems in the existing technology, that is, the demolding mechanism of the traditional molding mold has a complex structure, requires the installation of a pressure plate and the use of a T-slot to drive the movement of the slide, has relatively high space requirements, and the processing process is relatively complicated and time-consuming, which affects the mold manufacturing efficiency.

[0005] The purpose and effect of the mold for simply forming speaker parts of the utility model are achieved by the following specific technical means:

[0006] A mold for simply forming a speaker part includes a mold core assembly, the mold core assembly includes a rear mold core for injection molding a product, a front mold core is provided on the top of the rear mold core, a B plate is provided on the bottom of the rear mold core, and an A plate is provided on the top of the front mold core. A through groove is provided on the top of the A plate, and the bottom end of the undercut passes through the through groove to contact the product. Multiple groups of snap-on assemblies are provided on the circumference of the undercut, and the multiple groups of snap-on assemblies are respectively connected to multiple groups of snap-on positions on the product.

[0007] In a preferred embodiment, the buckle assembly includes a shovel, and a plurality of mounting slots are provided on the top of the inverted buckle, wherein the shovel is provided in one group of the mounting slots.

[0008] In a preferred embodiment, an oblique guide slot is provided on one side of the shovel, and a sliding block is provided on one side of the carriage, and the sliding block is slidably connected to the guide slot.

[0009] In a preferred embodiment, a pressure block is provided on one side of the sliding block, a through hole is opened on one side of the pressure block, one end of a ball screw is passed through the through hole, and a steel ball at one end of the ball screw contacts the sliding block.

[0010] In a preferred embodiment, the top of the front mold core is fixedly connected to the pressing block by multiple sets of screws, and the bottom end of the sliding block is provided with a fastener that can be connected to the fastening position.

[0011] In a preferred embodiment, a hot runner plate is provided on the top of the A plate, and the bottom of the hot runner plate is connected to the undercut.

[0012] In a preferred embodiment, a plurality of mounting holes are provided on the top of the A plate, and mold opening springs are provided in each of the plurality of mounting holes.

[0013] In a preferred embodiment, a heat insulation plate is provided on the top of the hot runner plate, a panel is provided on the top of the heat insulation plate, and a positioning ring is provided on the top of the panel.

[0014] In a preferred embodiment, two groups of square irons are provided at the bottom of the B plate, two groups of ejector plates are provided between the two groups of square irons, and the bottoms of the two groups of square irons are connected to the same group of bottom plates.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. Through the setting of the snap assembly, a guide slide is opened on one side of the shovel, and the pressure block slides with the guide slide, which solves the problem that the traditional forming mold adopts T-slot, which takes a long time and affects the mold manufacturing efficiency. The guide slide can be completed by using a milling machine, which reduces the processing time and cost, improves the manufacturing efficiency of the mold, enables the mold to be put into production faster, shortens the production cycle of the product, helps the company respond to market demand faster and improves its market competitiveness; at the same time, the traditional two pressure plates are replaced by a step, and a pressure plate is used to press the slide, which reduces the number of parts and components of the mold and the processing amount on the mold, reduces the difficulty and cost of mold processing, and makes the mold assembly easier.

[0017] 2. Through the setting of multiple sets of mold opening springs, when using this mold, multiple sets of mold opening springs can provide reliable separation thrust with their own elastic characteristics, helping to separate the A plate and the hot runner plate in the mold, so that the hot runner plate drives the shovel to move and pull the slide apart, so that it can be removed from the undercut, thereby achieving efficient demoulding, making the mold opening action smoother, and improving the stability and reliability of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of a mold for simply molding a speaker part according to the present invention;

[0019] Figure 2 This is an exploded view of a mold for simply forming a speaker part according to the present invention;

[0020] Figure 3 This is a schematic structural diagram of the A plate and the hot runner plate in a mold for simple molding of a speaker part according to the present invention after being separated;

[0021] Figure 4 This is a schematic structural diagram of the assembled buckle components in a mold for simple molding of a speaker part according to the present invention;

[0022] Figure 5 for Figure 4 Schematic diagram of the structure after splitting;

[0023] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged area in middle a.

[0024] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0025] 11. Product; 12. Rear mold core; 13. Front mold core; 14. B plate; 15. A plate; 16. Through slot; 17. Undercut; 18. Hot runner plate; 21. Shovel; 22. Mounting through slot; 23. Guide chute; 24. Slide; 25. Sliding block; 26. Press block; 27. Through hole; 28. Ball screw; 29. Fastener; 31. Mounting hole; 32. Mold opening spring; 33. Heat insulation board; 34. Panel; 35. Positioning ring; 36. Square iron; 37. Ejector plate; 38. Bottom plate. DETAILED DESCRIPTION

[0026] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0027] Example:

[0028] As attached Figure 1 To the attached Figure 6 As shown:

[0029] The utility model provides a mold for simple molding of speaker parts, including a mold core assembly, the mold core assembly including a rear mold core 12 for injection molding a product 11, a front mold core 13 is provided on the top of the rear mold core 12, an A plate 15 is provided on the top of the front mold core 13, a B plate 14 is provided on the bottom of the rear mold core 12, a through groove 16 is opened on the A plate 15, the bottom end of the undercut 17 passes through the through groove 16 and contacts the product 11, and multiple groups of snap-fit assemblies are provided on the circumference of the undercut 17, which are respectively connected with multiple groups of snap-fit positions on the product 11 by the multiple groups of snap-fit assemblies, so that the product 11 can be prevented from positional displacement during demolding, thereby ensuring the appearance quality of the product 11.

[0030] Please refer to Figure 4 、 Figure 5 and Figure 6 As shown, the buckle assembly includes a shovel 21, and a plurality of mounting slots 22 are provided on the top of the undercut 17 for accommodating the shovel 21 of the buckle assembly.

[0031] Please refer to Figure 5 and Figure 6 As shown, an oblique guide slot 23 is provided on one side of the shovel 21, and its oblique angle is 10 degrees. Cooperating with it is a sliding block 25 provided on the row position 24. The sliding block 25 can be slidably connected along the guide slot 23. Compared with the T-shaped guide slot used in traditional molds, the setting of this oblique guide slot 23 can simplify the processing technology and can be completed using a milling machine, shortening the mold manufacturing cycle, improving production efficiency, and helping enterprises to respond to market demand more quickly and improve market competitiveness. Secondly, the sliding block 25 can slide along the oblique guide slot 23, which can be more stable, avoiding the jamming problem caused by the T-shaped slot, and further improving the reliability of the mold.

[0032] Please refer to Figure 6 As shown, a pressure block 26 is provided on one side of the sliding block 25, replacing the traditional two pressure plates with a step, and a pressure block 26 is used to press the slide 24, which reduces the number of parts of the mold, reduces the processing difficulty and cost, and makes the assembly of the mold easier; a through hole 27 is also provided on one side of the pressure block 26, and a ball screw 28 is passed through it, and the steel ball at its end contacts the sliding block 25, and the steel ball at one end can rebound, playing a role of auxiliary limit, further improving the reliability of the snap assembly during use; at the same time, the top of the front mold core 13 is fixedly connected to the pressure block 26 by multiple sets of screws. Finally, the bottom end of the sliding block 25 is provided with a snap member 29 that can be connected to the snap position.

[0033] Please refer to Figure 2 and Figure 3As shown, a hot runner plate 18 is provided on the top of the A plate 15, and the bottom of the hot runner plate 18 is connected to the undercut 17, and a plurality of mounting holes 31 are provided on the top of the A plate 15, and mold opening springs 32 are installed in these mounting holes 31; during the mold opening process, these mold opening springs 32 can provide reliable separation thrust by virtue of their own elastic properties, and assist in separating the A plate 15 and the hot runner plate 18. At the same time, the hot runner plate 18 also drives the shovel 21 to move upward, so that the slide 24 slides along the guide groove 23 with a 10-degree inclination, and at the same time, the slide 24 moves a distance in the horizontal direction.

[0034] Please refer to Figure 2 As shown, a heat shield 33 is provided above the hot runner plate 18, a panel 34 is provided above the heat shield 33, and a positioning ring 35 is provided above the panel 34. At the same time, two groups of square irons 36 are provided at the bottom of the B plate 14, and two groups of ejector plates 37 are provided between the two groups of square irons 36. The bottoms of these square irons 36 are connected to the same group of bottom plates 38, which enhances the overall strength and rigidity.

[0035] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A mold for simple molding of speaker parts, characterized by: The invention comprises a mold core assembly, wherein the mold core assembly comprises a rear mold core (12) for injection molding a product (11), a front mold core (13) is arranged on the top of the rear mold core (12), a B plate (14) is arranged on the bottom of the rear mold core (12), an A plate (15) is arranged on the top of the front mold core (13), a through groove (16) is provided on the top of the A plate (15), the bottom end of the undercut (17) passes through the through groove (16) and contacts the product (11), and a plurality of groups of snap-fit assemblies are arranged around the undercut (17), and the plurality of groups of snap-fit assemblies are respectively connected to a plurality of groups of snap-fit positions on the product (11).

2. A die for simple molding of speaker parts according to claim 1, characterized in that: The buckle assembly includes a shovel (21), and a plurality of groups of mounting slots (22) are provided on the top of the undercut (17), wherein the shovel (21) is provided in one group of the mounting slots (22).

3. A die for simple molding of speaker parts according to claim 2, characterized in that: An oblique guide slot (23) is provided on one side of the shovel (21), and a sliding block (25) is provided on one side of the row position (24). The sliding block (25) is slidably connected to the guide slot (23).

4. A die for simple molding of speaker parts according to claim 3, characterized in that: A pressure block (26) is provided on one side of the sliding block (25), and a through hole (27) is opened on one side of the pressure block (26). One end of a ball screw (28) is passed through the through hole (27), and a steel ball at one end of the ball screw (28) contacts the sliding block (25).

5. A die for simple molding of speaker parts according to claim 4, characterized in that: The top of the front mold core (13) is fixedly connected to the pressing block (26) through multiple sets of screws, and the bottom end of the sliding block (25) is provided with a snap-fit piece (29) that can be connected to the snap-fit position.

6. The mold for simple molding of speaker parts according to claim 1, characterized in that: A hot runner plate (18) is provided on the top of the A plate (15), and the bottom of the hot runner plate (18) is connected to the undercut (17).

7. A die for simple molding of speaker parts according to claim 6, characterized in that: The top of the A plate (15) is provided with a plurality of mounting holes (31), and mold opening springs (32) are provided in each of the plurality of mounting holes (31).

8. The mold for simple molding of speaker parts according to claim 6, characterized in that: A heat insulation plate (33) is provided on the top of the hot runner plate (18), a panel (34) is provided on the top of the heat insulation plate (33), and a positioning ring (35) is provided on the top of the panel (34).

9. The mold for simple molding of speaker parts according to claim 1, characterized in that: Two groups of square irons (36) are provided at the bottom of the B plate (14), two groups of ejector plates (37) are provided between the two groups of square irons (36), and the bottoms of the two groups of square irons (36) are connected to the same group of bottom plates (38).