Injection mold capable of trimming

By introducing a telescopic cylinder-driven cutting knife into the injection mold, the problems of slow manual edge cutting speed and low efficiency of existing injection molds are solved, and automatic edge cutting is achieved and production efficiency is improved.

CN222309661UActive Publication Date: 2025-01-07SHENZHEN DAHENG SMART TECH LTD
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Patent Information

Application Number
CN202421190990.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-01-07
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The existing injection molds need to be manually removed and cut edges when used, which are slower and less efficient, resulting in trouble in operation.

Method used

An injection mold including a base plate, a telescopic cylinder and a cutting assembly is designed to automatically cut the finished product through a cylinder-driven cutting cutter to improve the cutting speed and efficiency.

Benefits of technology

It realizes automatic edge cutting after injection molding, which is fast and efficient, and does not require multiple manual operations, making it easy to operate and produce.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection mold capable of trimming, which relates to the technical field of injection molds, and comprises a bottom plate, the top of a lifting plate is fixedly connected with a lower pressing plate, the lower pressing plate is arranged right below an upper pressing plate, and a trimming assembly is arranged on the bottom plate; the edge cutting assembly comprises a mounting frame fixedly connected to the upper surface of the bottom plate, a second telescopic air cylinder is fixedly connected to the bottom of the mounting frame, a mounting plate is fixedly connected to the movable end of the second telescopic air cylinder, a cutting knife is arranged at the bottom of the mounting plate, and a positioning groove is formed in the upper surface of the bottom plate. After injection molding is completed, a fifth telescopic air cylinder is started, a limiting block is jacked upwards, a spring is compressed, a connecting rod drives a material jacking plate to move upwards, a finished product in a lower pressing plate is jacked out and slides into a positioning groove under the action of a material pushing frame, a mounting plate is driven by a second telescopic air cylinder to move downwards, the finished product is subjected to edge cutting treatment through a cutting knife, the edge cutting speed is high, and the efficiency is high. The efficiency is high, repeated manual edge cutting is not needed, and operation is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold capable of trimming edges. Background Art

[0002] Moulds are various moulds and tools used in industrial production to obtain the required products by methods such as injection moulding, blow moulding, extrusion, die casting or forging, smelting and stamping. Injection moulds are a method of obtaining a moulded product by stirring completely molten plastic material with a screw at a certain temperature and injecting it into the mould cavity with high pressure, cooling and solidifying it. This method is suitable for mass production of parts with complex shapes.

[0003] After searching the existing public patent number: CN202020009176.4, the public patent name is: an injection mold with a trimming function, including a fixed bottom plate, a lower connecting mold is arranged at the upper end of the fixed bottom plate, a connecting spring is installed inside the lower connecting mold, the upper end of the lower connecting mold is connected to the upper connecting mold, a base is arranged on the side of the upper end of the fixed bottom plate close to the lower connecting mold, a storage box is connected inside the base, a trimming table is arranged at the upper end of the base, a cutting groove is arranged in the interior of the trimming table, a connecting block is arranged at the upper end of the fixed bottom plate near the rear of the trimming table, a trimming piece is installed at the upper end of the connecting block, and the trimming piece includes a telescopic rod connected to the lower end of the motor. The injection mold with a trimming function described in the utility model can facilitate the trimming of the mold, can facilitate the collection of waste materials, and is more convenient.

[0004] However, when the above mold is used, the mold needs to be manually taken out and trimmed, which is slow, troublesome and inefficient. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides an injection mold capable of trimming edges, which solves the problem that the mold needs to be manually taken out and trimmed, which is troublesome and inefficient.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: an injection mold capable of trimming, comprising: a bottom plate, the bottom of the bottom plate is symmetrically provided with supporting legs, the upper surface of the bottom plate is fixedly connected with a positioning frame, a first telescopic cylinder is fixedly installed on the surface of the positioning frame, an upper pressing plate is fixedly connected to the movable end of the first telescopic cylinder, a lifting plate is symmetrically provided on the upper surface of the bottom plate, a lower pressing plate is fixedly connected to the top of the lifting plate, the lower pressing plate is arranged directly below the upper pressing plate, and a trimming assembly is arranged on the bottom plate;

[0009] The trimming assembly includes a mounting frame fixedly connected to the upper surface of the base plate, a second telescopic cylinder is fixedly connected to the bottom of the mounting frame, a mounting plate is fixedly connected to the movable end of the second telescopic cylinder, a cutting knife is arranged at the bottom of the mounting plate, and a positioning groove is opened on the upper surface of the base plate.

[0010] Preferably, a material unloading assembly is provided on the base plate, and the material unloading assembly comprises a third telescopic cylinder fixedly mounted on one side of the base plate, a baffle is fixedly connected to the movable end of the third telescopic cylinder, and a sliding groove is provided in the positioning groove.

[0011] Preferably, the baffle is slidably connected in the slide groove, and the size of the positioning groove is the same as the size of the mounting plate.

[0012] Preferably, a pushing assembly is provided on the positioning frame, and the pushing assembly includes a fourth telescopic cylinder fixedly connected to one side of the positioning frame, a connecting plate is fixedly connected to the movable end of the fourth telescopic cylinder, and a pushing frame is symmetrically provided on one side of the connecting plate.

[0013] Preferably, a lifting material assembly is provided on the base plate, and the lifting material assembly includes a fifth telescopic cylinder fixedly installed on the bottom of the base plate, a lifting material plate is slidably connected in the lower pressure plate, a connecting rod is fixedly connected to the bottom of the lifting material plate, a limiting block is fixedly connected to the bottom of the connecting rod, and a spring is provided between the limiting block and the lower pressure plate.

[0014] Preferably, one end of the spring is fixedly connected to the top of the limiting block, and the other end of the spring is fixedly connected to the bottom of the lower pressure plate.

[0015] Preferably, a guide rail is provided on the lower pressure plate, and an air pump and a controller are provided on the bottom plate.

[0016] Beneficial Effects

[0017] The utility model provides an injection mold capable of trimming edges, which has at least the following beneficial effects compared with the prior art:

[0018] After the injection molding is completed, the fifth telescopic cylinder is started, the limit block is pushed upward, the spring is compressed, and the connecting rod drives the ejection plate to move upward, the finished product in the lower pressure plate is ejected, and it slides into the positioning groove under the action of the push rack, and the mounting plate is driven downward by the second telescopic cylinder, and the finished product is trimmed by the cutting knife. The trimming speed is fast and the efficiency is high, and there is no need for multiple manual trimming, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the trimming assembly of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the pusher assembly of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the top material assembly of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the blanking component of the utility model.

[0023] In the figure: 1. bottom plate; 2. supporting leg; 3. positioning frame; 4. first telescopic cylinder; 5. upper pressure plate; 6. lifting plate; 7. lower pressure plate; 8. trimming assembly; 801. mounting frame; 802. second telescopic cylinder; 803. mounting plate; 804. cutting knife; 805. positioning groove; 9. unloading assembly; 901. third telescopic cylinder; 902. baffle; 903. slide; 10. pushing assembly; 1001. fourth telescopic cylinder; 1002. connecting plate; 1003. pushing frame; 11. ejecting assembly; 1101. fifth telescopic cylinder; 1102. limit block; 1103. connecting rod; 1104. spring; 1105. ejecting plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1-4 The utility model provides a technical solution: a base plate 1, a supporting leg 2 is symmetrically arranged at the bottom of the base plate 1, a positioning frame 3 is fixedly connected to the upper surface of the base plate 1, a first telescopic cylinder 4 is fixedly installed on the surface of the positioning frame 3, an upper pressing plate 5 is fixedly connected to the movable end of the first telescopic cylinder 4, a lifting plate 6 is symmetrically arranged on the upper surface of the base plate 1, a lower pressing plate 7 is fixedly connected to the top of the lifting plate 6, the lower pressing plate 7 is arranged directly below the upper pressing plate 5, and a trimming assembly 8 is arranged on the base plate 1; the trimming assembly 8 includes a mounting frame 801 fixedly connected to the upper surface of the base plate 1, a second telescopic cylinder 802 is fixedly connected to the bottom of the mounting frame 801, a mounting plate 803 is fixedly connected to the movable end of the second telescopic cylinder 802, a cutting knife 804 is arranged at the bottom of the mounting plate 803, and a positioning groove 805 is opened on the upper surface of the base plate 1.

[0027] Analysis of the above content: the second telescopic cylinder 802 drives the mounting plate 803 to move downward, and the movement of the mounting plate 803 drives the cutting knife 804 to move downward to trim the product in the positioning groove 805. The product is positioned through the positioning groove 805, and the trimming can be completed in one time, thereby improving production efficiency.

[0028] Embodiment 2:

[0029] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: a material unloading component 9 is arranged on the bottom plate 1, and the material unloading component 9 includes a third telescopic cylinder 901 fixedly installed on one side of the bottom plate 1, and a baffle 902 is fixedly connected to the movable end of the third telescopic cylinder 901, and a slide groove 903 is opened in the positioning groove 805.

[0030] Analysis of the above content: The third telescopic cylinder 901 drives the baffle 902 to slide along the slide groove 903, and the sliding of the baffle 902 opens the positioning groove 805, so that the trimmed products fall down for easy collection.

[0031] Embodiment three:

[0032] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: the baffle 902 is slidably connected in the slide groove 903, and the size of the positioning groove 805 is the same as that of the mounting plate 803.

[0033] Analysis of the above content: The baffle 902 is used to block the product during cutting. After cutting, the baffle 902 is pulled out to complete the material unloading. The slide groove 903 is provided to ensure the stability of the baffle 902 during sliding.

[0034] Embodiment 4:

[0035] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: a pushing assembly 10 is arranged on the positioning frame 3, and the pushing assembly 10 includes a fourth telescopic cylinder 1001 fixedly connected to one side of the positioning frame 3, and the movable end of the fourth telescopic cylinder 1001 is fixedly connected to a connecting plate 1002, and a pushing frame 1003 is symmetrically arranged on one side of the connecting plate 1002.

[0036] Analysis of the above content: the fourth telescopic cylinder 1001 drives the connecting plate 1002 to move, and the pushing rack 1003 is moved by the movement of the connecting plate 1002, and the product is pushed out by the movement of the pushing rack 1003, so that it falls into the positioning groove 805 and waits for trimming.

[0037] Embodiment five:

[0038] See also Figure 1-4The utility model provides a technical solution based on the first embodiment: a lifting assembly 11 is arranged on the bottom plate 1, and the lifting assembly 11 includes a fifth telescopic cylinder 1101 fixedly installed at the bottom of the bottom plate 1, and a lifting plate 1105 is slidably connected in the lower pressure plate 7, and a connecting rod 1103 is fixedly connected to the bottom of the lifting plate 1105, and a limiting block 1102 is fixedly connected to the bottom of the connecting rod 1103, and a spring 1104 is arranged between the limiting block 1102 and the lower pressure plate 7.

[0039] Analysis of the above content: the fifth telescopic cylinder 1101 moves upward, pushes up the limit block 1102, compresses the spring 1104, drives the connecting rod 1103 to move upward, drives the ejecting plate 1105 to move upward through the connecting rod 1103, and pushes out the injection molded product.

[0040] Embodiment six:

[0041] See also Figure 1-4 The utility model provides a technical solution based on the first embodiment: one end of the spring 1104 is fixedly connected to the top of the limit block 1102, and the other end of the spring 1104 is fixedly connected to the bottom of the lower pressing plate 7. The lower pressing plate 7 is provided with a guide rail, and the bottom plate 1 is provided with an air pump and a controller.

[0042] Analysis of the above content: Setting a controller to control the opening and closing of the air pump and components is a prior art and will not be described in detail. The guide rail is used to make the product fall into the positioning groove 805, which is convenient for edge cutting.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold with trimmable edges, characterized in that: include: A base plate (1), wherein support legs (2) are symmetrically arranged at the bottom of the base plate (1), a positioning frame (3) is fixedly connected to the upper surface of the base plate (1), a first telescopic cylinder (4) is fixedly installed on the surface of the positioning frame (3), an upper pressure plate (5) is fixedly connected to the movable end of the first telescopic cylinder (4), a lifting plate (6) is symmetrically arranged on the upper surface of the base plate (1), a lower pressure plate (7) is fixedly connected to the top of the lifting plate (6), and the lower pressure plate (7) is arranged directly below the upper pressure plate (5), and a trimming assembly (8) is arranged on the base plate (1); The trimming assembly (8) comprises a mounting frame (801) fixedly connected to the upper surface of the base plate (1); a second telescopic cylinder (802) is fixedly connected to the bottom of the mounting frame (801); a mounting plate (803) is fixedly connected to the movable end of the second telescopic cylinder (802); a cutting knife (804) is provided at the bottom of the mounting plate (803); and a positioning groove (805) is provided on the upper surface of the base plate (1).

2. The trimmable injection mold according to claim 1, characterized in that: A material discharge assembly (9) is provided on the base plate (1), and the material discharge assembly (9) comprises a third telescopic cylinder (901) fixedly mounted on one side of the base plate (1), a baffle (902) being fixedly connected to a movable end of the third telescopic cylinder (901), and a slide groove (903) is provided in the positioning groove (805).

3. The trimmable injection mold according to claim 2, characterized in that: The baffle (902) is slidably connected in the slide groove (903), and the size of the positioning groove (805) is the same as that of the mounting plate (803).

4. The trimmable injection mold according to claim 1, characterized in that: A material pushing assembly (10) is arranged on the positioning frame (3), and the material pushing assembly (10) comprises a fourth telescopic cylinder (1001) fixedly connected to one side of the positioning frame (3), a connecting plate (1002) being fixedly connected to the movable end of the fourth telescopic cylinder (1001), and a material pushing frame (1003) is symmetrically arranged on one side of the connecting plate (1002).

5. The trimmable injection mold according to claim 1, characterized in that: A material lifting assembly (11) is provided on the base plate (1), and the material lifting assembly (11) comprises a fifth telescopic cylinder (1101) fixedly mounted on the bottom of the base plate (1); a material lifting plate (1105) is slidably connected inside the lower pressure plate (7); a connecting rod (1103) is fixedly connected to the bottom of the material lifting plate (1105); a limit block (1102) is fixedly connected to the bottom of the connecting rod (1103); and a spring (1104) is provided between the limit block (1102) and the lower pressure plate (7).

6. The trimmable injection mold according to claim 5, characterized in that: One end of the spring (1104) is fixedly connected to the top of the limit block (1102), and the other end of the spring (1104) is fixedly connected to the bottom of the lower pressure plate (7).

7. The trimmable injection mold according to claim 1, characterized in that: The lower pressing plate (7) is provided with a guide rail, and the bottom plate (1) is provided with an air pump and a controller.

Citation Information

Patent Citations

  • Injection mold with edge cutting function

    CN212072746U