A composite injection-molded panel with high strength and its production process

Abstract

The present invention discloses a composite injection molding panel with high strength and a production process thereof, comprising a panel body, wherein the panel body is used as a main structure and is formed by injection molding to adopt a circular ring structure, wherein an annular first-level outer sealing groove is provided on the upper surface of the panel body, and an annular first-level inner sealing groove is provided on the lower surface of the panel body, and an insertion opening is provided on the upper surface of the panel body located in the first-level outer sealing groove, and a clamp is embedded in the inner wall of the insertion opening. The present invention is applicable to a door ring panel of a washing machine, wherein an outer surface of the panel body is provided with an outer first-level sealing groove and an inner first-level sealing groove, so that after the panel body is installed, a sealing ring can be clamped in the outer first-level sealing groove and the inner first-level sealing groove, thereby ensuring the overall sealing of the panel body after installation and improving the sealing effect of the washing machine.

Description

Technical Field

[0001] The invention belongs to the technical field of washing machines, in particular to a composite injection-molded panel with high strength and a production process thereof. Background Art

[0002] Washing machines are machines used to wash textiles such as clothes and towels. They are divided into two categories according to their rated washing capacity: household and corporate. In addition to the most basic washing function, most washing machines also have a dehydration function, which uses high-speed rotation to generate centrifugal force to separate water from clothes.

[0003] The composite injection-molded panel is a door ring panel used in washing machines. The existing injection-molded panel has a simple structure and a relatively general sealing effect. After installation, liquid seepage is prone to occur at the assembly position of the washing machine and the composite injection-molded panel, affecting the use of the washing machine. In addition, the composite injection-molded panels of existing washing machines are mostly fixed by bolts during installation. Therefore, during use, the liquid in the washing machine is likely to corrode and rust the bolts, resulting in inconvenience in later replacement or repair. Summary of the invention

[0004] The purpose of the present invention is to overcome the defects that the injection molding panel in the prior art has a simple structure and a relatively general sealing effect. After installation, the assembly position of the washing machine and the composite injection molding panel is prone to liquid seepage, which affects the use of the washing machine. In addition, the composite injection molding panel of the existing washing machine is mostly fixed by bolts during installation. Therefore, during use, the liquid in the washing machine is easy to corrode and rust the bolts, resulting in inconvenient replacement or maintenance in the later stage. A composite injection molding panel with high strength and its production process are provided. The present invention improves the sealing effect of the washing machine, and the inner wall of the insertion opening of the panel body is embedded with a clamp. When the panel body is installed, the clamp will be squeezed and clamped in the door opening of the washing machine. Such an installation structure makes the installation of the panel body convenient and quick, and it only needs to be done by pressing the panel body. Moreover, the installation of the panel body does not require bolts, so there will be no phenomenon that it cannot be disassembled for later maintenance.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A composite injection molding panel with high strength and its production process, including a panel body, the panel body as a main structure, through injection molding, adopting a circular ring structure, the upper surface of the panel body is provided with an annular first-level outer sealing groove, the lower surface of the panel body is provided with an annular first-level inner sealing groove, the upper surface of the panel body is located in the first-level outer sealing groove and is provided with an insertion opening, the inner wall of the insertion opening is embedded with a clamp, the outer surface of the panel body is provided with a first-level outer sealing groove and a first-level inner sealing groove, so that after the panel body is installed, the sealing ring is inserted into the first-level outer sealing groove and the first-level inner sealing groove, so that the overall sealing of the panel body after installation can be ensured, and the sealing effect of the washing machine can be improved, and the inner wall of the insertion opening of the panel body is embedded with a clamp, when the panel body is installed, the clamp will be squeezed and clamped in the door opening of the washing machine, such an installation structure makes the installation of the panel body convenient and quick, and it only needs to be done by pressing the panel body, and a plurality of insertion openings are provided, and the plurality of insertion openings are distributed in a ring array, so that the stability of the panel body after installation can be ensured.

[0007] In a possible implementation, the clamping piece is elastic so that it can be deformed when squeezed, thereby facilitating its clamping.

[0008] In a possible implementation, the clamping member protrudes from the inner wall of the insertion opening, and the cross-section of the protruding portion is semicircular, making it more convenient to insert and squeeze it.

[0009] In one possible implementation, a secondary sealing groove is provided on the upper surface of the panel body within the primary outer sealing groove. The secondary sealing groove is located at the position of the plug-in port and covers the plug-in port. Such a structure allows the panel body to cover the secondary sealing groove with a snap-fit ​​sealing gasket after installation, thereby ensuring the sealing strength of the plug-in port and improving the sealing effect of the device after installation.

[0010] In a possible implementation, reinforcing ribs are embedded in the first-level inner sealing groove on the lower surface of the panel body, and the reinforcing ribs are arranged along the edge of the first-level inner sealing groove toward the center of the panel body, which can greatly increase the strength of the panel body.

[0011] In a possible implementation, a plurality of the reinforcing ribs are provided, and the plurality of the reinforcing ribs are distributed in a ring array to improve the structural strength of the entire panel body.

[0012] The inner side of the upper surface of the panel body adopts an arc-shaped transition structure, and its thickness gradually decreases from the edge to the center, so that the surface of the panel body is smooth after installation.

[0013] The groove depths of the primary outer sealing groove and the primary inner sealing groove are one seventh of the maximum thickness of the panel body.

[0014] The present invention also discloses a production process of a composite injection-molded panel with high strength, and the specific steps are as follows:

[0015] S1. Mix the raw materials of the panel body, add them into a twin-screw extruder, extrude them into a mold, and form a blank of the panel body. The reinforcing ribs are set in advance in the mold cavity of the injection mold;

[0016] S2, opening the mold and cooling the blank of the panel body to shape;

[0017] S3. The card is subjected to cold treatment to shrink it, and then it is compressed and clamped into the hole reserved on the panel body, and the entire mold is heated to form the panel body.

[0018] In a possible implementation, the screw speed of the twin-screw extruder in step S1 is 270-330 r / min, the main feeding speed is 8-20 r / min, and the temperatures of each section of the screw are 205-245°C in zone 1, 215-255°C in zone 2, 225-270°C in zone 3, 235-280°C in zone 4, 250-285°C in zone 5, 250-285°C in zone 6, 260-290°C in zone 7, and 250-285°C in zone 8.

[0019] In the present invention, a primary outer sealing groove and a primary inner sealing groove are provided on the outer surface of the panel body, so that after the panel body is installed, a sealing ring is inserted into the primary outer sealing groove and the primary inner sealing groove, thereby ensuring the overall sealing of the panel body after installation and improving the sealing effect of the washing machine. In addition, a clamp is embedded on the inner wall of the insertion opening of the panel body. When the panel body is installed, the clamp will be squeezed and clamped in the door opening of the washing machine. Such an installation structure makes the installation of the panel body convenient and quick, and it only needs to be done by pressing the panel body. In addition, the installation of the panel body does not require bolts, so there will be no problem of being unable to be disassembled for later maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ;

[0021] Figure 2 Is a top view of the present invention;

[0022] Figure 3 The structure of the present invention is schematically shown Figure 2 ;

[0023] Figure 4It is a production process flow chart of the present invention.

[0024] Figure numerals: 1. panel body; 2. alignment opening; 3. clamp; 4. insertion opening; 5. secondary sealing groove; 6. primary outer sealing groove; 7. reinforcing rib; 8. primary inner sealing groove 8. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-4 , further illustrating a specific embodiment of a composite injection-molded panel with high strength and a production process thereof of the present invention. A composite injection-molded panel with high strength and a production process thereof of the present invention are not limited to the description of the following embodiments.

[0026] Embodiment 1:

[0027] This embodiment provides a specific structure of a composite injection-molded panel with high strength, such as Figure 1-3 As shown, it includes a panel body 1, which serves as a main structure and adopts a circular ring structure through injection molding. The upper surface of the panel body 1 is provided with an annular first-level outer sealing groove 6, and the lower surface of the panel body 1 is provided with an annular first-level inner sealing groove 8. The upper surface of the panel body 1 is located in the first-level outer sealing groove 6 and is provided with an insertion port 4, and the inner wall of the insertion port 4 is embedded with a clamp 3.

[0028] By adopting the above technical solution:

[0029] The outer surface of the panel body 1 is provided with a first-level outer sealing groove 6 and a first-level inner sealing groove 8, so that after the panel body 1 is installed, a sealing ring is inserted into the first-level outer sealing groove 6 and the first-level inner sealing groove 8, thereby ensuring the overall sealing of the panel body 1 after installation and improving the sealing effect of the washing machine. In addition, the inner wall of the plug-in opening 4 of the panel body 1 is embedded with a clamp 3. When the panel body 1 is installed, the clamp 3 will be squeezed and engaged in the door opening of the washing machine. Such an installation structure makes the installation of the panel body 1 convenient and quick, and it only needs to be done by pressing the panel body 1. There are a plurality of plug-in openings 4, and the plurality of plug-in openings 4 are distributed in a ring array, thereby ensuring the stability of the panel body 1 after installation.

[0030] Embodiment 2:

[0031] This embodiment provides a specific structure of a composite injection-molded panel with high strength, such as Figure 1-3 As shown, it includes a panel body 1, which serves as a main structure and adopts a circular ring structure through injection molding. The upper surface of the panel body 1 is provided with an annular first-level outer sealing groove 6, and the lower surface of the panel body 1 is provided with an annular first-level inner sealing groove 8. The upper surface of the panel body 1 is located in the first-level outer sealing groove 6 and is provided with an insertion port 4, and the inner wall of the insertion port 4 is embedded with a clamp 3.

[0032] The clamping member 3 is elastic, so that it can be deformed when squeezed, and can be clamped.

[0033] The clamping member 3 protrudes from the inner wall of the insertion opening 4, and the cross section of the protruding portion is semicircular, making it more convenient to clamp and squeeze it.

[0034] A secondary sealing groove 5 is provided in the primary outer sealing groove 6 on the upper surface of the panel body 1 . The secondary sealing groove 5 is located at the position of the insertion opening 4 and covers the insertion opening 4 .

[0035] The lower surface of the panel body 1 is located inside the primary inner sealing groove 8 and has a reinforcing rib 7 embedded therein. The reinforcing rib is arranged along the edge of the primary inner sealing groove 8 toward the center of the panel body 1 , which can greatly increase the strength of the panel body 1 .

[0036] A plurality of reinforcing ribs 7 are provided, and the plurality of reinforcing ribs 7 are distributed in a ring array, thereby improving the structural strength of the entire panel body 1 .

[0037] The inner side of the upper surface of the panel body 1 adopts an arc-shaped transition structure, and its thickness gradually decreases from the edge to the center, so that the surface of the panel body 1 is smooth after installation.

[0038] The groove depth of the primary outer sealing groove 6 and the primary inner sealing groove 8 is one seventh of the maximum thickness of the panel body 1 .

[0039] By adopting the above technical solution:

[0040] The upper surface of the panel body 1 in the device is located in the first-level outer sealing groove 6 and also has a second-level sealing groove 5. The second-level sealing groove 5 is located at the position of the plug-in port 4 and covers the plug-in port 4. This structure allows the panel body 1 to cover the locking sealing gasket at the second-level sealing groove 5 after installation, thereby ensuring the sealing strength of the plug-in port 4 and improving the sealing effect of the device after installation.

[0041] Example 3

[0042] The present invention also discloses a production process of a composite injection-molded panel with high strength, such as Figure 4 As shown, the specific steps are as follows:

[0043] S1, mixing the raw materials of the panel body 1, adding them into a twin-screw extruder and extruding them into a mold to form a blank of the panel body 1, and the reinforcing ribs 7 are set in advance in the mold cavity of the injection mold;

[0044] S2, opening the mold and cooling the blank of the panel body 1 to finalize the shape;

[0045] S3 , cold-treating the clamp 3 to shrink it, and then compressing it to fit into the hole reserved on the panel body 1 , heating the entire mold to form the panel body 1 .

[0046] In a possible implementation, the screw speed in the twin-screw extruder in step S1 is 270-330 r / min, the main feeding speed is 8-20 r / min, and the temperatures of each section of the screw are 205-245°C in zone 1, 215-255°C in zone 2, 225-270°C in zone 3, 235-280°C in zone 4, 250-285°C in zone 5, 250-285°C in zone 6, 260-290°C in zone 7, and 250-285°C in zone 8.

[0047] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is 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 falling within the protection scope of the present invention.

Claims

1. A high-strength composite injection-molded panel, characterized in that: The panel body (1) comprises a main body structure, the panel body (1) being injection-molded to form a circular ring structure, the upper surface of the panel body (1) being provided with a circular primary outer sealing groove (6), and the lower surface of the panel body (1) being provided with a circular primary inner sealing groove (8); An insertion opening (4) is provided on the upper surface of the panel body (1) in the primary outer sealing groove (6), and a clamp (3) is embedded in the inner wall of the insertion opening (4); The panel body (1) is applied to a washing machine. When the panel body (1) is installed, the clamping member (3) is squeezed and clamped in the door opening of the washing machine, and the sealing ring is clamped in the first-level outer sealing groove (6) and the first-level inner sealing groove (8). The clamp (3) is elastic; The clamping member (3) protrudes from the inner wall of the insertion opening (4), and the cross section of the protruding portion is semicircular; The upper surface of the panel body (1) is located inside the primary outer sealing groove (6) and is also provided with a secondary sealing groove (5); the secondary sealing groove (5) is located at the position of the insertion opening (4) and covers the insertion opening (4).

2. A high-strength composite injection-molded panel as claimed in claim 1, characterized in that: A reinforcing rib (7) is pre-buried inside the primary inner sealing groove (8) on the lower surface of the panel body (1), and the reinforcing rib is arranged along the edge of the primary inner sealing groove (8) toward the center of the panel body (1).

3. A high-strength composite injection-molded panel as claimed in claim 2, characterized in that: A plurality of the reinforcing ribs (7) are provided, and the plurality of the reinforcing ribs (7) are distributed in a ring array.

4. A high-strength composite injection-molded panel as claimed in claim 1, characterized in that: The inner side of the upper surface of the panel body (1) adopts an arc-shaped transition structure, and its thickness gradually decreases from the edge to the center.

5. The high-strength composite injection-molded panel according to claim 1, characterized in that: The groove depth of the primary outer sealing groove (6) and the primary inner sealing groove (8) is one seventh of the maximum thickness of the panel body (1).

6. A process for producing a composite injection-molded panel with high strength as claimed in any one of claims 2 to 3, characterized in that: The specific steps are as follows: (S1), mixing the raw materials of the panel body (1) and adding them into a twin-screw extruder to extrude them into a mold to form a blank of the panel body (1), wherein the reinforcing ribs (7) are arranged in advance in the mold cavity of the injection mold; (S2), opening the mold, and cooling the blank of the panel body (1) to finalize the shape; (S3), cold-treating the clamp (3) to shrink it, and then compressing it to fit into a hole reserved on the panel body (1), and heating the entire mold to form the panel body (1).

7. The production process of a high-strength composite injection-molded panel according to claim 6, characterized in that: The screw speed of the twin-screw extruder in the step (S1) is 270-330 r / min, the main feeding speed is 8-20 r / min, and the temperatures of each section of the screw are respectively 205-245°C for zone 1, 215-255°C for zone 2, 225-270°C for zone 3, 235-280°C for zone 4, 250-285°C for zone 5, 250-285°C for zone 6, 260-290°C for zone 7, and 250-285°C for zone 8.

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