Household kitchen button brush forming mold
By designing a molding mold including upper and lower frames, using injection molding technology of the guide part and top rod, combining the tight combination of guide column and positioning hole, the design of limit block and auxiliary block, the kitchen button brush handle is solved. The problem of poor mold clamping accuracy of injection molds has achieved efficient and exquisite product molding and improved production efficiency.
Patent Information
- Application Number
- CN202420114643.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-17
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-01-17
AI Technical Summary
The existing kitchen button brush handle injection molds have poor mold clamping accuracy, which leads to the inefficient product, prone to burrs and edge defects, and the number of molds in one mold and two cavity structures is small, and the efficiency is low.
Design a mold including upper frame and lower frame, form a model cavity through the combination of upper mold and lower mold, and use the material guide part and top rod to achieve precision injection molding and molding of the material. The guide column and positioning hole ensure the mold is closely integrated. The limit block prevents excessive movement of the mold, and the auxiliary block and the seal block are used to form shapes and prevent material spillage.
Accelerate precision injection molding, avoid burrs and edge defects, improve production efficiency, and be able to mold multiple button brushes at the same time to ensure product quality and efficiency.
Smart Images

Figure CN222156437U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of molds, and in particular to a molding mold for a household kitchen button brush. Background Art
[0002] A household kitchen button brush is a brush used to clean the kitchen. It usually has hard bristles and a handle, which allows users to easily clean various kitchen surfaces and corners when using it. The bristles of a button brush are usually made of nylon, plastic or natural hair, which have good durability and cleaning effect. The handle is made of plastic, which is convenient for users to hold and clean. The current production process of kitchen button brushes usually includes injection molding of the handle, which is to put the material into a mold for injection molding to make a preliminary product of the handle.
[0003] There are some disadvantages in the use process. For example, the handle injection mold is usually a one-mold two-cavity structure. Although the structure is simple, there is a problem of poor mold clamping accuracy. The injection molded products are not delicate enough and are prone to defects such as burrs and edges. In addition, the one-mold two-cavity structure has a small number of molds and low efficiency. Utility Model Content
[0004] The utility model aims to provide a household kitchen button brush forming mold to solve the problem of poor mold precision, the injection molded products are not delicate enough, and are prone to defects such as burrs and edges, and the one-mold two-cavity structure has a small number of molds and low efficiency.
[0005] The utility model provides the following technical scheme: a household kitchen button brush forming mold, comprising an upper frame and a lower frame, the lower end surface of the upper frame is provided with an upper accommodating cavity, the inner side of the upper accommodating cavity is fixedly connected to an upper mold, the upper end surface of the lower frame is provided with a lower accommodating cavity on one side, the inner side of the lower accommodating cavity is fixedly connected to a lower mold, one side of the upper mold and the lower mold are fixedly connected with auxiliary blocks, the auxiliary blocks are symmetrically provided with end forming cavities, one side of the auxiliary blocks is fixedly connected with a blocking block, the bottom wall of the lower accommodating cavity is symmetrically provided with two through holes, the mold cavity of the lower mold is provided with two rectangular holes, push rods are inserted into the through holes and the rectangular holes, the bottom end of the push rods is fixedly connected to a top plate, and a material guiding part is provided between the upper frame, the upper mold, the lower frame and the lower mold.
[0006] In the above scheme, the upper frame and the lower frame are closed, and the upper mold and the lower mold are aligned. A mold cavity is formed by combining the upper mold and the lower mold. The molten material flows to fill every corner of the mold through the material guide part, and the material is cooled and solidified in the mold cavity to form a button brush of the desired shape. Then, the top plate is set to drive the ejector rod to move upward, so as to eject the molded button brush, thereby completing the demolding operation.
[0007] As a preferred embodiment of the above technical solution, the material guiding portion includes a feed port opened at the center of the upper frame and a material guiding port opened at the center of the upper mold, an upper material guiding cavity is opened between the two mold cavities of the upper mold, the upper material guiding cavity connects the two mold cavities of the upper mold, the material guiding port discharge end is connected to the upper material guiding cavity, a lower material guiding cavity is opened between the two mold cavities of the lower mold, the lower material guiding cavity connects the two mold cavities of the lower mold.
[0008] In the above scheme, the molten material is introduced into the feed port, the molten material is introduced into the upper material guide cavity and the lower material guide cavity through the material guide port, and the molten material flows into two different mold cavities, so that two button brushes can be formed at the same time.
[0009] As a preferred embodiment of the above technical solution, the upper material guiding channel and the lower material guiding channel are both cross-shaped structures, and the upper material guiding channel and the lower material guiding channel are combined to form a sealed feeding chamber.
[0010] In the above scheme, the upper material guiding channel and the lower material guiding channel are fitted together so that the melted material can flow in the specified channel.
[0011] As a preferred embodiment of the above technical solution, the upper mold, the lower mold and the auxiliary block are combined to form a mold cavity of the kitchen button brush.
[0012] In the above scheme, the upper mold, the lower mold and the auxiliary block are combined together to form the model cavity of the household kitchen button brush forming mold. The shape and size of this model cavity determine the appearance and structure of the final molded button brush. The auxiliary block is symmetrically provided with end forming cavities for forming the end structure of the button brush. A sealing block is fixedly connected to one side of the auxiliary block for closing the opening of the model cavity to ensure that the material does not overflow during the heating and cooling process.
[0013] As a preferred embodiment of the above technical solution, two guide pillars are fixedly connected to the lower end surface of the upper frame, and two positioning holes adapted for the guide pillars are provided on the upper end surface of the lower frame.
[0014] In the above scheme, the coordinated use of guide pins and positioning holes can effectively transmit the closing force of the mold, ensuring that the mold remains tightly combined during the heating and cooling process to prevent material overflow. At the same time, the guide pins can also play a guiding role to help operators quickly and accurately install and disassemble the mold.
[0015] As a preferred embodiment of the above technical solution, the top end of the push rod is fixedly connected to a limiting block, and the push rod slides on the lower frame and the lower mold through the perforation and the rectangular hole.
[0016] In the above scheme, the limit block is used to limit the stroke of the mold to prevent the mold from excessive movement, affecting the processing quality and production efficiency, thereby achieving precision injection molding.
[0017] As a preferred embodiment of the above technical solution, a groove adapted to the auxiliary block is formed on one side of the upper end surface of the upper frame, and the auxiliary block is accommodated in the groove.
[0018] In the above scheme, the groove design can better fix the auxiliary block on the upper frame, avoiding the auxiliary block from moving or falling off during use. At the same time, the groove can also play a guiding role, helping the operator to correctly install the auxiliary block on the upper frame, reducing the possibility of installation errors.
[0019] Compared with the prior art, the beneficial effects of the utility model are:
[0020] In the utility model, the stroke of the mold is limited by the set limit block to prevent the mold from excessive movement, which affects the processing quality and production efficiency, thereby realizing precision injection molding. The coordinated use of the guide column and the positioning hole can effectively transmit the closing force of the mold, ensure that the mold remains tightly combined during the heating and cooling process, prevent material overflow, and is not prone to defects such as burrs and edges. At the same time, the guide column can also play a guiding role to help operators quickly and accurately install and disassemble the mold, and the melted material flows into different mold cavities. By adjusting the number of mold cavities of the upper mold and the lower mold, multiple button brushes can be manufactured at the same time, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional structural schematic diagram of a household kitchen button brush forming mold;
[0022] Figure 2 It is a schematic diagram of the exploded structure of a household kitchen button brush forming mold;
[0023] Figure 3 It is a schematic diagram of the enlarged structure of the upper frame;
[0024] Figure 4 It is a schematic diagram of the enlarged structure of the upper mold;
[0025] Figure 5 It is an enlarged first-view structural schematic diagram of the lower mold;
[0026] Figure 6 This is an enlarged second-view structural diagram of the lower mold.
[0027] In the figure: 10, upper frame; 101, groove; 11, lower frame; 12, upper accommodating cavity; 13, upper mold; 14, lower accommodating cavity; 15, lower mold; 16, auxiliary block; 17, end forming cavity; 18, blocking block; 20, perforation; 21, rectangular hole; 22, ejector rod; 23, top plate; 24, limit block; 30, feed port; 31, material guide port; 32, upper material guide cavity; 33, lower material guide cavity; 40, guide column; 41, positioning hole. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0029] Example 1
[0030] like Figure 1-6 As shown, the utility model provides a technical solution: a household kitchen button brush forming mold, including an upper frame 10 and a lower frame 11, the lower end surface of the upper frame 10 is provided with an upper accommodating cavity 12, the inner side of the upper accommodating cavity 12 is fixedly connected with an upper mold 13, one side of the upper end surface of the lower frame 11 is provided with a lower accommodating cavity 14, the inner side of the lower accommodating cavity 14 is fixedly connected with a lower mold 15, one side of the upper mold 13 and the lower mold 15 is fixedly connected with an auxiliary block 16, the auxiliary block 16 is symmetrically provided with an end forming cavity 17, one side of the auxiliary block 16 is fixedly connected with a blocking block 18, the inner bottom wall of the lower accommodating cavity 14 is symmetrically provided with two through holes 20, the mold cavity of the lower mold 15 is provided with two rectangular holes 21, and the through holes 20 are symmetrically provided. A push rod 22 is inserted into the hole 20 and the rectangular hole 21, and a top plate 23 is fixedly connected to the bottom end of the push rod 22. A material guide portion is provided between the upper frame 10, the upper mold 13, the lower frame 11 and the lower mold 15. During specific use, the upper frame 10 and the lower frame 11 are closed, and it is ensured that the upper mold 13 and the lower mold 15 are aligned. A mold cavity is formed by combining the upper mold 13 and the lower mold 15. The molten material flows through the material guide portion to fill each corner of the mold, and the material is cooled and solidified in the mold cavity to form a button brush of a desired shape. Then, the push rod 22 is driven to move upward by the top plate 23 to eject the formed button brush, thereby completing the demolding operation.
[0031] As an implementation method in this embodiment, Figure 2 , Figure 4 and Figure 5 As shown, the material guide portion includes a feed port 30 opened at the center of the upper frame 10 and a material guide port 31 opened at the center of the upper mold 13, an upper material guide cavity 32 is opened between the two mold cavities of the upper mold 13, the upper material guide cavity 32 connects the two mold cavities of the upper mold 13, the discharge end of the material guide port 31 is connected with the upper material guide cavity 32, a lower material guide cavity 33 is opened between the two mold cavities of the lower mold 15, the lower material guide cavity 33 connects the two mold cavities of the lower mold 15, during specific use, the molten material is introduced into the feed port 30, the melted material is introduced into the upper material guide cavity 32 and the lower material guide cavity 33 through the material guide port 31, and the melted material flows into two different mold cavities, so that two button brushes can be formed at the same time. It should be noted that by adjusting the number of mold cavities of the upper mold and the lower mold, multiple button brushes can be manufactured at the same time, thereby improving production efficiency.
[0032] As an implementation method in this embodiment, Figure 4 and Figure 5As shown, the upper material guiding channel 32 and the lower material guiding channel 33 are both cross-shaped structures, and the upper material guiding channel 32 and the lower material guiding channel 33 are combined to form a sealed feeding cavity. Through the fitting of the upper material guiding channel 32 and the lower material guiding channel 33, the melted material can flow in the specified cavity.
[0033] As an implementation method in this embodiment, Figure 2 and Figure 4 As shown, the upper mold 13, the lower mold 15 and the auxiliary block 16 are combined to form a model cavity of a kitchen button brush. The upper mold 13, the lower mold 15 and the auxiliary block 16 are combined together to form a model cavity of a household kitchen button brush forming mold. The shape and size of this model cavity determine the appearance and structure of the final molded button brush. The auxiliary block 16 is symmetrically provided with an end molding cavity 17 for forming the end structure of the button brush. A sealing block 18 is fixedly connected to one side of the auxiliary block 16 for closing the opening of the model cavity to ensure that the material does not overflow during the heating and cooling process.
[0034] As an implementation method in this embodiment, Figure 1 and Figure 2 As shown, two guide pillars 40 are fixedly connected to the lower end surface of the upper frame 10, and two positioning holes 41 adapted for the guide pillars 40 are provided on the upper end surface of the lower frame 11. The coordinated use of the guide pillars 40 and the positioning holes 41 can effectively transmit the closing force of the mold, ensuring that the mold remains tightly combined during the heating and cooling process to prevent material overflow. At the same time, the guide pillars 40 can also play a guiding role to help operators quickly and accurately install and disassemble the mold.
[0035] As an implementation method in this embodiment, Figure 2 and Figure 5 As shown, the top end of the ejector pin 22 is fixedly connected to a limit block 24, and the ejector pin 22 slides on the lower frame 11 and the lower mold 15 through the through hole 20 and the rectangular hole 21. The limit block 24 is used to limit the stroke of the mold to prevent the mold from excessive movement, which affects the processing quality and production efficiency, thereby achieving precision injection molding.
[0036] As an implementation method in this embodiment, Figure 3 As shown, a groove 101 adapted to the auxiliary block 16 is opened on one side of the upper end surface of the upper frame 10, and the auxiliary block 16 is accommodated in the groove 101. The design of the groove 101 can make the auxiliary block 16 better fixed on the upper frame 10, avoiding the auxiliary block 16 from moving or falling off during use.
[0037] Working principle: When in use, a model cavity is formed by combining the upper mold 13 and the lower mold 15, and the molten material is introduced into the feed port 30, and the melted material is introduced into the upper material guide cavity 32 and the lower material guide cavity 33 through the material guide port 31, and the melted material flows into two different mold cavities. The molten material flows to fill every corner of the mold, and the material is cooled and solidified in the model cavity to form a button brush of the desired shape. Two button brushes can be formed at the same time, and then the top plate 23 is set to drive the ejector rod 22 to move upward, so as to eject the formed button brush, thereby completing the demolding operation.
[0038] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.
Claims
1. A household kitchen button brush forming mold, comprising an upper frame (10) and a lower frame (11), characterized in that: The upper frame (10) has an upper accommodating cavity (12) formed on the lower end surface, an upper mold (13) is fixedly connected to the inner side of the upper accommodating cavity (12), a lower accommodating cavity (14) is formed on one side of the upper end surface of the lower frame (11), a lower mold (15) is fixedly connected to the inner side of the lower accommodating cavity (14), an auxiliary block (16) is fixedly connected to one side of the upper mold (13) and the lower mold (15), an end molding cavity (17) is symmetrically formed on the auxiliary block (16), and the auxiliary block (16) is provided with a plurality of molds. 16) is fixedly connected to one side with a blocking block (18), the inner bottom wall of the lower accommodating cavity (14) is symmetrically provided with two through holes (20), the mold cavity of the lower mold (15) is provided with two rectangular holes (21), and push rods (22) are inserted into the through holes (20) and the rectangular holes (21), and the bottom end of the push rod (22) is fixedly connected to a top plate (23), and a material guide portion is provided between the upper frame (10), the upper mold (13), the lower frame (11) and the lower mold (15).
2. A household kitchen button brush forming mold according to claim 1, characterized in that: The material guiding portion comprises a material feed port (30) opened at the center of the upper frame (10) and a material guiding port (31) opened at the center of the upper mold (13); an upper material guiding cavity (32) is opened between the two mold cavities of the upper mold (13); the upper material guiding cavity (32) connects the two mold cavities of the upper mold (13); a material discharge end of the material guiding port (31) is connected to the upper material guiding cavity (32); a lower material guiding cavity (33) is opened between the two mold cavities of the lower mold (15); the lower material guiding cavity (33) connects the two mold cavities of the lower mold (15).
3. A household kitchen button brush forming mold according to claim 2, characterized in that: The upper material guiding cavity (32) and the lower material guiding cavity (33) are both cross-shaped structures, and the upper material guiding cavity (32) and the lower material guiding cavity (33) are combined to form a sealed feeding cavity.
4. A household kitchen button brush forming mold according to claim 1, characterized in that: The upper mold (13), the lower mold (15) and the auxiliary block (16) are combined to form a mold cavity of a kitchen button brush.
5. A household kitchen button brush forming mold according to claim 1, characterized in that: The lower end surface of the upper frame (10) is fixedly connected to two guide pillars (40), and the upper end surface of the lower frame (11) is provided with two positioning holes (41) adapted to the guide pillars (40).
6. A household kitchen button brush forming mold according to claim 1, characterized in that: The top end of the push rod (22) is fixedly connected to a limiting block (24), and the push rod (22) slides on the lower frame (11) and the lower mold (15) through the through hole (20) and the rectangular hole (21).
7. A household kitchen button brush forming mold according to claim 1, characterized in that: A groove (101) adapted to the auxiliary block (16) is provided on one side of the upper end surface of the upper frame (10), and the auxiliary block (16) is accommodated in the groove (101).
