Injection mold of dustproof protective cover

By adopting a replaceable mold core structure in the injection mold, the problem of cumbersome internal cavity size changes in traditional molds is solved, achieving more efficient mold adaptability and processing flexibility.

CN223685893UActive Publication Date: 2025-12-19KUNSHAN DAOGONG PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202422911829.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-12-19
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Traditional injection molds require a complete redesign when changing dustproof covers with different inner cavity sizes, which is cumbersome and inefficient.

Method used

The system employs a replaceable first and second mold core structure. By adjusting the inner cavity forming column of the second mold core, it can adapt to the requirements of different sized dustproof protective covers, thus avoiding the need to replace the entire mold.

Benefits of technology

It improves the processing flexibility and efficiency of injection molds, and reduces the complexity and time of mold changeover.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molds, and discloses an injection mold of a dustproof protective cover, which comprises an injection molding mold for the dustproof protective cover, the dustproof protective cover comprises a shell, a plurality of reinforcing ribs are arranged on the inner wall of the shell, and a plurality of anti-slip strips are arranged on the two sides of the shell. The injection mold comprises a first mold base and a second mold base, a first mold core is arranged on the first mold base, a second mold core is arranged on the second mold base, an injection molding cavity is formed between the first mold core and the second mold core, and an injection molding assembly is installed on the first mold base. According to the injection mold of the dustproof protective cover, the first mold plate, the second mold plate, the first mold core and the second mold core are arranged, the first mold core and the second mold core can be replaced, and when the size of an inner cavity of the dustproof protective cover needs to be adjusted, an inner cavity forming column of the second mold core is replaced, so that the size of the inner cavity forming column corresponds to the size of the needed inner cavity of the dustproof protective cover; the whole profiling injection mold does not need to be replaced, and the machining condition range of the injection mold is widened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a dustproof protective cover's injection mold. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also a tool for giving plastic products complete structure and accurate size, injection molding is a kind of processing method when mass-producing parts, specifically refers to the material by injection molding machine high pressure injection into mold cavity after cooling solidification and obtains shaped product.

[0003] At present, a dustproof protective cover includes a shell, the inner wall of the shell is provided with a plurality of reinforcing ribs, and the two sides of the shell are provided with a plurality of anti-skid strips.

[0004] Generally, the traditional injection mold uses a relative profiling structure, and when different inner cavity sizes of dustproof protective cover are needed, the mold inner core profiling structure needs to be redesigned as a whole, and a set of matching profiling mold needs to be replaced for injection molding, which is troublesome to operate. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an injection mold for dustproof protective cover, which solves the problems mentioned in the above background.

[0006] The utility model provides the following technical scheme: an injection mold for dustproof protective cover, comprising: an injection molding mold for dustproof protective cover;

[0007] The dustproof protective cover includes a shell, the inner wall of the shell is provided with a plurality of reinforcing ribs, and the two sides of the shell are provided with a plurality of anti-skid strips.

[0008] The injection mold includes a first mold base and a second mold base, the first mold base is provided with a first mold core, the second mold base is provided with a second mold core, an injection cavity is formed between the first mold core and the second mold core, and the first mold base is provided with an injection assembly.

[0009] The first mold core includes a flow guide plate, a plurality of shell top forming blocks are installed on the flow guide plate, a plurality of first installation grooves are arranged on the first mold base corresponding to the positions of the shell top forming blocks, and the inner wall of the first installation groove is connected with the surface of the shell top forming block.

[0010] The second mold core comprises a mounting seat, first side wall forming blocks are arranged on both sides of the mounting seat, a plurality of second mounting grooves are formed in the mounting seat, inner wall of the second mounting grooves is provided with inner cavity forming columns, surfaces of the inner cavity forming columns are provided with a plurality of strip-shaped grooves, the surfaces of the first side wall forming blocks are provided with forming grooves corresponding to positions of the inner cavity forming columns, second side wall forming blocks are arranged between adjacent two inner cavity forming columns, third side wall forming blocks are arranged on both sides of the inner wall of the mounting seat, and the second side wall forming blocks and the third side wall forming blocks are integrally connected with the mounting seat.

[0011] Preferably, a main flow channel is formed in the top of the flow guide plate, a plurality of branch flow channels are arranged on the inner wall of the main flow channel, and feed holes are arranged on the inner wall of the branch flow channels; the shell top forming block is provided with an injection molding channel corresponding to the position of the feed port, and the injection molding channel is in communication with the injection molding cavity.

[0012] Preferably, the first mold seat comprises a top plate, a flow channel plate is arranged at the bottom of the top plate, a first mold plate is arranged at the bottom of the flow channel plate, the first mounting grooves are formed in the first mold plate, first fixing grooves are formed in the surface of the first mold plate, the flow guide plate is arranged in the inner wall of the first fixing grooves, and limiting spade bases are arranged on both sides of the first mold plate.

[0013] Preferably, the second mold seat comprises a bottom plate and a second mold plate, support plates are symmetrically arranged at the top of the bottom plate, the top of the two support plates is connected with the bottom of the second mold plate, second fixing grooves are formed in the second mold plate, the mounting seat is arranged in the inner wall of the second fixing grooves, and wedge blocks are arranged on one side of the mounting seat and arranged in the inner wall of the second fixing grooves.

[0014] Preferably, dustproof plates are symmetrically arranged at the top of the bottom plate, and the top of the two dustproof plates is connected with the bottom of the second mold plate.

[0015] Preferably, a first thimble plate is arranged at the top of the bottom plate, a second thimble plate is arranged at the top of the first thimble plate, a plurality of thimble columns are arranged on the second thimble plate corresponding to the positions of the inner cavity forming columns, and the top ends of the thimble columns extend to the top of the inner cavity forming columns.

[0016] Preferably, the top of the second mold seat is provided with fixing seats, and the two first side wall forming blocks are arranged on the two fixing seats respectively.

[0017] Preferably, the injection molding assembly comprises a butt joint ring and an injection molding pipe, a butt joint port is formed in the top of the first mold seat, the butt joint ring is arranged in the inner part of the butt joint port, the injection molding pipe is arranged at the bottom of the inner wall of the butt joint port, and the bottom end of the injection molding pipe extends to the inner part of the main flow channel.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The injection mold of the dustproof cover, by setting the first mold plate, the second mold plate, the first mold core and the second mold core, the first mold core and the second mold core can be replaced, when the size of the inner cavity of the dustproof cover needs to be adjusted, the inner cavity forming column of the second mold core is replaced, so that it corresponds to the size of the required inner cavity of the dustproof cover, without replacing the whole set of profile injection molding mold, the range of injection mold processing condition is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is dustproof cover structure schematic view;

[0021] Figure 2 It is dustproof cover reinforcing rib position structure schematic view;

[0022] Figure 3 It is injection mold structure schematic view of the utility model;

[0023] Figure 4 It is injection mold side cut structure schematic view of the utility model;

[0024] Figure 5 It is first mold plate and first mold core exploded structure schematic view of the utility model;

[0025] Figure 6 It is first mold plate side cut structure schematic view of the utility model;

[0026] Figure 7 It is second mold plate and second mold core exploded structure schematic view of the utility model.

[0027] In the drawing: 101, shell;102, reinforcing rib;103, anti-skid strip;2, first mold base;21, top plate;22, flow channel plate;23, first mold plate;24, first fixed groove;25, limiting shovel base;3, second mold base;31, bottom plate;32, second mold plate;33, support plate;34, wedge block;4, first mold core;41, flow guide plate;42, shell top forming block;5, second mold core;51, mounting seat;52, first side wall forming block;53, strip-shaped groove;54, forming groove;55, second side wall forming block;56, third side wall forming block;57, second mounting groove;58, inner cavity forming column;6, injection assembly;61, butt joint ring;62, injection pipe;7, first mounting groove;8, main flow channel;9, branch flow channel;10, feed hole;11, injection channel;12, dustproof plate;13, first thimble plate;14, second thimble plate;15, thimble column;16, fixed seat. DETAILED DESCRIPTION

[0028] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0029] Please refer to Figures 1-7 The dustproof cover injection mold comprises an injection mold for the dustproof cover.

[0030] The dustproof cover comprises a shell (101), and the inner wall of the shell (101) is provided with a plurality of reinforcing ribs (102); and the two sides of the shell (101) are provided with a plurality of anti-skid strips (103).

[0031] The injection mold comprises a first mold base (2) and a second mold base (3), the first mold base (2) is provided with a first mold core (4), the second mold base (3) is provided with a second mold core (5), an injection cavity is formed between the first mold core (4) and the second mold core (5), and the first mold base (2) is provided with an injection assembly (6).

[0032] The first mold core (4) comprises a flow guide plate (41), a plurality of shell top forming blocks (42) are mounted on the flow guide plate (41), a plurality of first mounting grooves (7) are arranged on the first mold base (2) and correspond to the positions of the shell top forming blocks (42), and the inner wall of the first mounting groove (7) is connected with the surface of the shell top forming block (42).

[0033] The second mold core (5) comprises a mounting seat (51), the two sides of the mounting seat (51) are provided with first side wall forming blocks (52), a plurality of second mounting grooves (57) are arranged on the mounting seat (51), the inner wall of the second mounting groove (57) is provided with a cavity forming column (58), the surface of the cavity forming column (58) is provided with a plurality of strip-shaped grooves (53), the surface of the first side wall forming block (52) is provided with a forming groove (54) corresponding to the position of the cavity forming column (58), a second side wall forming block (55) is arranged between the two adjacent cavity forming columns (58), the inner wall of the mounting seat (51) is provided with third side wall forming blocks (56) on the two sides, and the second side wall forming block (55) and the third side wall forming block (56) are integrally connected with the mounting seat (51).

[0034] The top of the guide plate (41) is provided with a main flow channel (8), the inner wall of the main flow channel (8) is provided with a plurality of flow channels (9), and the inner wall of the flow channel (9) is provided with a feeding hole (10), the shell top forming block (42) is provided with an injection molding channel (11) corresponding to the position of the feeding port, and the injection molding channel (11) is communicated with the injection molding cavity.

[0035] The first mold base (2) comprises a top plate (21), the bottom of the top plate (21) is provided with a flow channel plate (22), the bottom of the flow channel plate (22) is provided with a first mold plate (23), the first installation groove (7) is arranged on the first mold plate (23), the surface of the first mold plate (23) is provided with a first fixing groove (24), the guide plate (41) is installed on the inner wall of the first fixing groove (24), and the two sides of the first mold plate (23) are provided with a limiting shovel base (25).

[0036] The second mold base (3) comprises a bottom plate (31) and a second mold plate (32), the top of the bottom plate (31) is symmetrically provided with a supporting plate (33), the top of each of the two supporting plates (33) is connected with the bottom of the second mold plate (32), the second mold plate (32) is provided with a second fixing groove, the mounting seat (51) is installed on the inner wall of the second fixing groove, and the mounting seat (51) is provided with a wedge block (34) on one side, and the wedge block (34) is installed on the inner wall of the second fixing groove.

[0037] The top of the bottom plate (31) is symmetrically provided with a dustproof plate (12), and the top of each of the two dustproof plates (12) is connected with the bottom of the second mold plate (32).

[0038] The top of the bottom plate (31) is provided with a first thimble plate (13), the top of the first thimble plate (13) is provided with a second thimble plate (14), a plurality of thimble columns (15) are installed on the second thimble plate (14) corresponding to the position of the inner cavity forming column (58), and the top end of the thimble column (15) extends to the top of the inner cavity forming column (58).

[0039] The top of the second mold base (3) is provided with a fixing seat (16), and the two first side wall forming blocks (52) are respectively installed on the two fixing seats (16).

[0040] The injection molding assembly (6) comprises a butt joint ring (61) and an injection molding pipe (62), the top of the first mold base (2) is provided with a butt joint port, the butt joint ring (61) is installed in the butt joint port, the injection molding pipe (62) is installed at the bottom of the inner wall of the butt joint port, and the bottom end of the injection molding pipe (62) extends to the inside of the main flow channel (8).

[0041] The shell top forming block 42 is installed into the first installation slot 7, the flow guide plate 41 is installed into the first fixing slot 24, the feed hole 10 on the flow guide plate 41 is aligned with the injection channel 11, the inner cavity forming column is installed into the first installation slot 7, the strip-shaped slot 53 on the inner cavity forming column is used for forming the reinforcing strip 102, the mounting seat 51 is installed into the second fixing slot, the first side wall forming block 52 is installed on the mounting seat 51 through the fixing seat 16, the forming slot 54 on the first side wall forming block 52 is used for forming the side wall and the anti-skid strip 103, when the first mold base 2 and the second mold base 3 are closed, the first mold core 4 and the second mold core 5 are driven to be closed and form the injection cavity, the injection equipment is butted with the injection mold through the butt joint ring 61, and the injection liquid is introduced into the injection cavity through the injection pipe 62 to form the dustproof protective cover, when the inner cavity size of the dustproof protective cover needs to be adjusted, the inner cavity forming column of the second mold core 5 is replaced so as to correspond to the inner cavity size of the required dustproof protective cover, the whole set of profiling injection forming mold does not need to be replaced, and the range of injection mold processing conditions is improved.

[0042] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An injection mold for a dust protective cover, characterized by, Include: Injection molding mold for dustproof cover; The dustproof cover comprises a shell (101), the inner wall of the shell (101) is provided with a plurality of reinforcing ribs (102), and the two sides of the shell (101) are provided with a plurality of anti-skid strips (103); The injection mold comprises a first mold base (2) and a second mold base (3), the first mold base (2) is provided with a first mold core (4), the second mold base (3) is provided with a second mold core (5), and the first mold core (4) and the second mold core (5) form an injection cavity, and the first mold base (2) is provided with an injection assembly (6); The first mold core (4) comprises a flow guide plate (41), a plurality of shell top forming blocks (42) are installed on the flow guide plate (41), a plurality of first installation grooves (7) are arranged on the first mold base (2) corresponding to the positions of the shell top forming blocks (42), and the inner wall of the first installation groove (7) is connected with the surface of the shell top forming block (42); The second mold core (5) comprises a mounting seat (51), the two sides of the mounting seat (51) are provided with first side wall forming blocks (52), a plurality of second installation grooves (57) are arranged on the mounting seat (51), the inner wall of the second installation groove (57) is provided with a cavity forming column (58), the surface of the cavity forming column (58) is provided with a plurality of strip-shaped grooves (53), the surface of the first side wall forming block (52) is provided with a forming groove (54) corresponding to the position of the cavity forming column (58), and a second side wall forming block (55) is arranged between the two adjacent cavity forming columns (58).

2. The injection mold for a dust protective cover according to claim 1, wherein The top of the flow guide plate (41) is provided with a main flow channel (8), the inner wall of the main flow channel (8) is provided with a plurality of branch flow channels (9), the inner wall of the branch flow channel (9) is provided with an inlet hole (10), the shell top forming block (42) is provided with an injection channel (11) corresponding to the position of the inlet, and the injection channel (11) is connected with the injection cavity.

3. The injection mold for a dust protective cover according to claim 2, wherein The first mold base (2) comprises a top plate (21), the bottom of the top plate (21) is provided with a flow channel plate (22), the bottom of the flow channel plate (22) is provided with a first mold plate (23), the first installation groove (7) is arranged on the first mold plate (23), the surface of the first mold plate (23) is provided with a first fixing groove (24), the flow guide plate (41) is installed on the inner wall of the first fixing groove (24), and the two sides of the first mold plate (23) are provided with a limiting shovel base (25).

4. The injection mold for a dust protective cover according to claim 3, wherein The second mold base (3) comprises a bottom plate (31) and a second mold plate (32), the top of the bottom plate (31) is symmetrically provided with a support plate (33), and the top of the two support plates (33) is connected with the bottom of the second mold plate (32), the second mold plate (32) is provided with a second fixing groove, the mounting seat (51) is mounted on the inner wall of the second fixing groove, and the mounting seat (51) is provided with a wedge block (34) on one side, and the wedge block (34) is mounted on the inner wall of the second fixing groove.

5. The injection mold for a dust protective cover according to claim 4, wherein The top of the bottom plate (31) is symmetrically provided with a dustproof plate (12), and the top of the two dustproof plates (12) is connected with the bottom of the second mold plate (32).

6. The injection mold for a dust protective cover according to claim 5, wherein The top of the bottom plate (31) is provided with a first thimble plate (13), the top of the first thimble plate (13) is provided with a second thimble plate (14), a plurality of thimble columns (15) are mounted on the second thimble plate (14) corresponding to the position of the inner cavity forming column (58), and the top end of the thimble column (15) extends to the top of the inner cavity forming column (58).

7. The injection mold for a dust protective cover of claim 1, wherein, The top of the second mold base (3) is provided with a fixing seat (16), and the two first side wall forming blocks (52) are mounted on the two fixing seats (16) respectively.

8. The injection mold for a dust protection cover according to claim 2, wherein The injection molding assembly (6) comprises a butt joint ring (61) and an injection molding pipe (62), the top of the first mold base (2) is provided with a butt joint port, the butt joint ring (61) is mounted in the butt joint port, the injection molding pipe (62) is mounted on the bottom of the inner wall of the butt joint port, and the bottom end of the injection molding pipe (62) extends to the inside of the main runner (8).