CN212072657U - Mold for forming dust-proof machine cover - Google Patents

Abstract

The utility model relates to the technical field of mold manufacturing, in particular to a mold for forming a dustproof cover, which comprises an upper template, a middle template and a lower template which are arranged in sequence, wherein a panel lug is arranged on the side of the upper template facing the middle template, and the panel lug is used for forming the outer side surface of the dustproof cover; the middle template is provided with a mounting groove for forming a mounting ring, and a space is reserved between the side wall of the mounting groove and the side wall of the panel lug; one side of the lower template, which faces the middle template, is provided with a row of cores for forming the wire passing holes, and the cores are provided with cross-shaped lugs for forming cross grooves; and a space is reserved between the cross-shaped convex block and the panel convex block of the upper template. The utility model discloses have the effect that can process the shield that has the cross recess.

Description

Mold for forming dust-proof machine cover

Technical Field

The utility model belongs to the technical field of the technique that the mould was made and specifically relates to a mould for shaping dust cover is related to.

Background

Compression molding, also known as compression molding, compression molding or press molding, is a process by which thermosetting plastic articles are often formed during the molding process. The raw material commonly used for compression molding is rubber or silica gel, solid rubber materials are directly added into a mold, and are gradually softened and melted by heating and pressurizing, then the rubber materials are molded according to the shape of a mold cavity and are solidified into a plastic part, and the existing dust cap is also produced by a compression molding mode.

Some existing devices may lead out wires from the inside, and a dust cover needs to be arranged in the device shell so that the wires can pass through the dust cover. The shield includes dust faceplate, be provided with a plurality of in the dust faceplate and cross the line hole, because the plug volume of electric wire is great, for the convenience of the plug smoothly runs through in crossing the line hole, the current aperture of crossing the line hole generally all is greater than the diameter of electric wire, and cross the width in line hole and enlarge to the width that can supply the plug to pass, so set up, though the plug of being convenient for can pass through smoothly the line hole, but also lead to the dust, worm or other foreign matter can pass through the inside of crossing the line hole entering equipment easily, influence the normal function of equipment.

In order to reduce the dust, insects or other foreign matters from entering the interior of the equipment through the wire through hole, the existing dustproof cover needs to be improved. The inner wall circumference in the line hole of shield is fixed with dustproof dog, and dustproof dog adopts soft silica gel to make to it is used for the cross groove that the electric wire runs through to open in the dustproof dog. Therefore, it is necessary to design a mold for processing the dust cap.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a mould for shaping dust cover can process the shield that has the cross recess.

The utility model aims at realizing through the following technical scheme:

a mold for forming a dust cover comprises an upper mold plate, a middle mold plate and a lower mold plate which are sequentially arranged, wherein a panel lug is arranged on the side surface of the upper mold plate facing the middle mold plate, and the panel lug is used for forming the outer side surface of the dust cover; the middle template is provided with a mounting groove for forming a mounting ring, and a space is reserved between the side wall of the mounting groove and the side wall of the panel lug; one side of the lower template, which faces the middle template, is provided with a row of cores for forming the wire passing holes, and the cores are provided with cross-shaped lugs for forming cross grooves; and a space is reserved between the cross-shaped convex block and the panel convex block of the upper template.

By adopting the technical scheme, the panel lug can be used for forming the outer side surface of the dustproof cover, the mounting groove of the middle template is used for forming the mounting ring of the dustproof panel, and the distance between the side wall of the mounting groove and the side wall of the panel lug is used for enabling glue to flow between the upper template and the middle template; the mold core is used for molding the wire passing hole of the dustproof cover, and the cross-shaped convex block is used for molding the cross groove; the formed dustproof cover has the characteristics that the outer side face is smooth, and the inner side face is provided with the cross groove, and the cross groove can be cut by the formed dustproof cover according to actual conditions, so that the dustproof cover plays the roles of preventing dust and insects.

The present invention may be further configured in a preferred embodiment as: well template one side has been seted up the ladder groove, the width in ladder groove is greater than the width of mounting groove, the mounting groove is located the position placed in the middle of the tank bottom in ladder groove, the ladder groove is towards the lower bolster.

Through adopting above-mentioned technical scheme, the ladder groove cooperates with the lower bolster for the medial surface of shaping shield.

The present invention may be further configured in a preferred embodiment as: the lower template is provided with an inner side forming groove for forming the inner side surface of the dust cover, the width of the inner side forming groove is larger than that of the mounting groove, and a space is reserved between the side surface of the mold core and the side wall of the inner side forming groove; the inner side forming groove protrudes from one side, facing the middle template, of the lower template, and the outer side wall of the inner side forming groove is abutted to the inner side wall of the stepped groove.

By adopting the technical scheme, the space between the inner side forming groove and the mold core forms the part of the inner side surface; through the gap that reduces the die joint between template and the lower bolster, the grafting cooperation between well template and the lower bolster is inseparabler, consequently is difficult for producing the condition that the die joint of sizing material between well template and lower bolster overflows.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a panel, including the cope match-plate pattern, the cope match-plate pattern has seted up outside shaping groove in the cope match-plate pattern, the width in outside shaping groove is greater than the width of mounting groove, the panel lug is located the position placed in the middle of outside shaping groove, there is the interval between the side of panel lug and the lateral wall in outside shaping groove.

Through adopting above-mentioned technical scheme, the space between the side of outside shaping groove, well template orientation outside shaping groove and the side of panel lug has formed the leading edge of lateral surface.

The present invention may be further configured in a preferred embodiment as: the side wall of the outer side forming groove is an inclined plane used for forming the guide edge of the outer side face.

Through adopting above-mentioned technical scheme, the shield setting plays the guide effect at the leading edge of lateral surface, can pass the mounting groove of equipment smoothly when the installation.

The present invention may be further configured in a preferred embodiment as: the mold core is provided with an annular convex block, and the height of the annular convex block is smaller than that of the cross convex block.

Through adopting above-mentioned technical scheme, the annular groove that annular lug and panel lug formed can increase the flexibility of buckling of fashioned dustproof dog, and dustproof dog can buckle at the fashioned part between annular lug and panel lug, reduces the whole damage that receives at the in-process of buckling repeatedly of dustproof dog.

The present invention may be further configured in a preferred embodiment as: one side of the lower template, which faces the middle template, is provided with a limiting convex strip, one side of the middle template, which faces the lower template, is provided with a limiting groove used for being in plug-in fit with the limiting convex strip, and the limiting convex strip is in plug-in fit with the limiting groove.

Through adopting above-mentioned technical scheme, spacing sand grip cooperatees with spacing recess, can make between well template and the lower bolster correspond the position of laminating more accurate, and the cooperation between well template and the lower bolster is inseparabler.

The present invention may be further configured in a preferred embodiment as: the lower template is provided with a plug hole used for placing the mounting column at the edge of the bottom of the outer side forming groove, and the plug hole penetrates through the lower template.

Through adopting above-mentioned technical scheme, the spliced eye can supply the erection column reservation position of shield to run through the spliced eye that sets up and can supply the thimble to insert, be convenient for during the thimble releases the erection column in the lower bolster.

To sum up, the utility model discloses a following at least one useful technological effect:

the panel bump can be used for forming the outer side surface of the dustproof cover and processing the dustproof cover with the cross groove, and the formed dustproof cover has the characteristics that the outer side surface is smooth, and the inner side surface is provided with the character groove, so that the dustproof cover has the functions of dust prevention and insect prevention;

the limiting convex strips of the lower template are matched with the limiting grooves of the middle template, so that the corresponding attaching position between the middle template and the lower template is more accurate, and the matching between the middle template and the lower template is tighter;

the spliced eye can supply the erection column reservation position of shield to run through the spliced eye that sets up and can supply the thimble to insert, be convenient for the thimble to release the erection column in the lower bolster.

Drawings

FIG. 1 is a schematic view of a dust cover (inner side);

FIG. 2 is a schematic structural view (outer side) of a dust cap;

fig. 3 is a sectional view showing the entire structure of a mold for forming a dust cover according to an embodiment of the present invention (mold closed state);

fig. 4 is a partial enlarged view of the present invention taken along a in fig. 3;

fig. 5 is a sectional view showing the whole structure of a mold for forming a dust cap according to an embodiment of the present invention (the mold opened state, the view from the lower mold plate to the upper mold plate);

fig. 6 is a partial enlarged view taken along B in fig. 5;

fig. 7 is a sectional view showing the entire structure of a mold for forming a dust cover according to an embodiment of the present invention (an opened state, a view from an upper mold plate to a lower mold plate);

fig. 8 is a partial enlarged view taken along C in fig. 7.

Reference numerals: 001. a dust cover; 002. an outer side surface; 003. a guide edge; 004. a mounting ring; 005. an inner side surface; 006. a wire passing hole; 007. a cross groove; 008. an annular groove; 009. mounting a column; 1. mounting a template; 11. a panel bump; 12. an outer molding groove; 2. a middle template; 201. mounting grooves; 202. a stepped groove; 21. a limiting groove; 3. a lower template; 31. a core; 311. a cross-shaped bump; 312. an annular projection; 313. an inner molding groove; 314. inserting holes; 32. limiting convex strips.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the dust cover 001 is integrally formed with an outer side surface 002, a mounting ring 004 and an inner side surface 005, the outer side surface 002 of the dust cover 001 is relatively flat, the outer side surface 002 of the dust cover 001 has a guide edge 003, and the guide edge 003 of the dust cover 001 is provided with an inclined surface narrowing toward the middle of the dust cover 001. Dust cap 001 mounting ring 004 is provided between outer surface 002 and inner surface 005. The collar 004 of shield 001 caves in the leading edge 003 and the periphery of medial surface 005 and sets up, and when shield 001 was installed in equipment housing, earlier shield 001's outer mounting groove 201 towards equipment housing, edge 003 along the leading of lateral surface 002 again with shield 001 card in equipment's shell. After the installation, inside wall and installing ring 004 looks butt of shield 001 in the mounting groove 201 of equipment, lateral surface 002 of equipment is towards the lateral surface of installing ring 004 and the lateral surface 002 looks butt of equipment housing, and medial surface 005 of shield 001 is towards one side of installing ring 004 and the inboard surface looks butt of equipment housing, and lateral surface 002, installing ring 004 and medial surface 005 through shield 001 promptly with shield 001 card along the week of the mounting groove 201 of equipment housing. The guide edge 003 of the dustproof cover 001 protrudes out of the middle part of the outer side surface 002 of the dustproof cover 001; the medial surface 005 of shield 001 is sunken to be provided with and crosses line hole 006, and integrated into one piece has dustproof dog in crossing line hole 006. The dust-proof stop block is recessed to form a cross groove 007, and the cross groove 007 can pass through the wire passing hole 006 from the position of the cross groove 007 through one or more via holes according to the requirement of wire perforation, so that the wire can pass through the cross groove 007. The rubber mat of using cross groove 007 in dustproof dog is sunken to be provided with a set of ring channel 008 as the center, and ring channel 008 can play the material fatigue that reduces the inside extrusion production of dustproof dog when dustproof dog bending deformation, increases ring channel 008's durable degree.

Refer to fig. 3, do the utility model discloses a mould for dustproof cover of shaping, including cope match-plate pattern 1, well template 2 and the lower bolster 3 that sets gradually. Referring to fig. 4, the upper mold plate 1 is used for molding the outer side surface 002 of the dust cap 001, the middle mold plate 2 is used for molding the mounting ring 004 of the dust cap 001, and the lower mold plate 3 is used for molding the inner side surface 005 of the dust cap 001.

The relationship between the upper template 1, the middle template 2, and the lower template 3 and each part of the formed dust cap 001 will be described in detail below.

Referring to fig. 5, a panel protrusion 11 is disposed on one side surface of the upper mold plate 1, further, the panel protrusion 11 protrudes from one side surface of the upper mold plate 1, and the panel protrusion 11 is disposed toward the middle mold plate 2; the upper die plate 1 is provided with an outer side forming groove 12 on the periphery of the panel bump 11, wherein the panel bump 11 is located in the middle of the outer side forming groove 12, and a space is formed between the side surface of the panel bump 11 and the side wall of the outer side forming groove 12. The side wall of the outer molding groove 12 is an inclined surface, and the inclined surface is used for molding the guide edge 003 of the outer side surface 002 of the dust-proof cover 001.

Referring to fig. 5 and 6, the middle mold plate 2 is provided with a mounting groove 201, and the mounting groove 201 penetrates through the middle mold plate 2. The size of the mounting groove 201 is smaller than that of the outer molding groove 12. Therefore, the space between the outer forming groove 12 and the middle template 2 and the panel bump 11 forms a guide edge 003 of the dust cover 001; the space between the panel bump 11 and the mounting groove 201 forms the outer side surface 002 of the dust cap 001. The dust cover 001 corresponds to the installation ring 004 in the installation groove 201.

Referring to fig. 4, further, when the panel protrusion 11 extends into the mounting groove 201, there is a space between the sidewall of the mounting groove 201 and the sidewall of the panel protrusion 11, so that when the dust cap 001 is manufactured and molded, the outer side surface 002 is recessed in the mounting groove 201 of the device case.

Referring to fig. 7 and 8, a core 31 is disposed on one side of the lower template 3 facing the middle template 2, the core 31 is used for forming the wire hole 006, the core 31 is rectangular, and four corners of the core 31 are provided with chamfers. Correspondingly, the wire hole 006 is recessed in the inner side surface 005 of the dust cover 001. The core 31 is spaced apart from the panel protrusion 11, so the wire hole 006 is not communicated with the outer side 002, and needs to be opened by the user. Further, the cores 31 are arranged in a row in the lower mold plate 3. Further, the core 31 is provided with a plurality of rows corresponding to the mounting grooves 201 and the panel protrusions 11.

Referring to fig. 8, further, a cross-shaped protrusion 311 is integrally formed on the core 31; the cross projection 311 is used to form the cross groove 007. There is a space between the cross-shaped protrusion 311 and the panel protrusion 11 of the upper plate 1, so the cross-shaped groove 007 is not communicated with the outer side surface 002, and can be opened according to the use requirement of the user.

Referring to fig. 6, further, an annular protrusion 312 is integrally formed on the core 31, and the height of the annular protrusion 312 is smaller than that of the cross protrusion 311, so that the annular groove 008 formed by the annular protrusion 312 and the panel protrusion 11 can increase the bending flexibility of the formed dustproof stop, and the dustproof stop can be bent at the portion formed between the annular protrusion 312 and the panel protrusion 11, thereby reducing the damage to the dustproof stop in the process of repeated bending.

Referring to fig. 6, a stepped groove 202 is formed in one side of the middle mold plate 2, the width of the stepped groove 202 is greater than that of the mounting groove 201, the mounting groove 201 is located in the middle of the bottom of the stepped groove 202, and the stepped groove 202 faces the lower mold plate 3. Correspondingly, referring to fig. 6, the lower mold plate 3 is provided with an inner molding groove 313 for molding the inner side 005 of the dust cap 001, the width of the inner molding groove 313 is larger than that of the mounting groove 201, the core 31 is located at the central position of the inner molding groove 313, and a space is formed between the side of the core 31 and the side wall of the inner molding groove 313. Further, an inner forming groove 313 is provided protruding from the lower mold plate 3 toward the middle mold plate 2, and an outer sidewall of the inner forming groove 313 abuts against an inner sidewall of the stepped groove 202, so that a space between a side surface of the core 31, an inner wall of the inner forming groove 313, and a bottom of the stepped groove 202 forms an inner side surface 005 portion of the dust cap 001 (see fig. 3).

Referring to fig. 5 and 6, further, a limiting convex strip 32 is arranged on one side of the lower template 3 facing the middle template 2, the length direction of the limiting convex strip 32 is consistent with the direction of the cores 31 arranged in rows, a limiting groove 21 is formed on one side of the middle template 2 facing the lower template 3, and the limiting convex strip 32 is in insertion fit with the limiting groove 21.

Referring to fig. 8, further, the lower mold plate 3 is provided with an insertion hole 314 at the bottom edge of the outer forming groove 12, the insertion hole 314 is used for placing the mounting column 009, and the insertion hole 314 penetrates through the lower mold plate 3. The position is reserved to spliced eye 314 can supply the erection column 009 of shield 001 to run through the spliced eye 314 that sets up and can supply the thimble to insert, be convenient for the thimble with erection column 009 release in the lower bolster 3.

The implementation principle of the embodiment is as follows: outer side 002 of mainly used shaping shield 001 between cope match-plate pattern 1 and well template 2 and at the leading edge 003 of outer side 002 border, well template 2's mounting groove 201 is used for shaping collar 004, and the space that ladder groove 202 and lower bolster 3 cooperation formed mainly used shaping medial surface 005 to core 31 is used for the shaping to cross line hole 006, cross groove 007 to be used for shaping cross groove 007, annular lug 312 is used for the annular groove of shaping.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a mould for shaping dust cover, is including cope match-plate pattern (1), well template (2) and lower bolster (3) that set gradually, its characterized in that: a panel bump (11) is arranged on the side surface of the upper template (1) facing the middle template (2), and the panel bump (11) is used for molding the outer side surface (002) of the dust cover (001); the middle template (2) is provided with a mounting groove (201) for forming a mounting ring (004), and a space is reserved between the side wall of the mounting groove (201) and the side wall of the panel bump (11); one side, facing the middle template (2), of the lower template (3) is provided with a row of cores (31) for forming the wire through holes (006), and the cores (31) are provided with cross-shaped lugs (311) for forming cross grooves (007); and a space is reserved between the cross-shaped convex block (311) and the panel convex block (11) of the upper template (1).

2. The mold for molding a dust cover according to claim 1, wherein: well template (2) one side has been seted up ladder groove (202), the width in ladder groove (202) is greater than the width of mounting groove (201), mounting groove (201) are located the position placed in the middle of the tank bottom in ladder groove (202), ladder groove (202) are towards lower bolster (3).

3. The mold for molding a dust cover according to claim 1, wherein: the lower template (3) is provided with an inner side forming groove (313) for forming the inner side surface (005) of the dust cover (001), the width of the inner side forming groove (313) is larger than that of the mounting groove (201), and a space is reserved between the side surface of the mold core (31) and the side wall of the inner side forming groove (313); the inner side forming groove (313) protrudes from one side, facing the middle template (2), of the lower template (3), and the outer side wall of the inner side forming groove (313) is abutted to the inner side wall of the stepped groove (202).

4. The mold for molding a dust cover according to claim 1, wherein: an outer side forming groove (12) is formed in the upper die plate (1), the width of the outer side forming groove (12) is larger than that of the mounting groove (201), the panel convex block (11) is located in the middle of the outer side forming groove (12), and a space is formed between the side face of the panel convex block (11) and the side wall of the outer side forming groove (12).

5. The mold for molding a dust cover according to claim 4, wherein: the side wall of the outer side forming groove (12) is an inclined plane used for forming a guide edge (003) of the outer side surface (002).

6. The mold for molding a dust cover according to claim 1, wherein: the core (31) is provided with an annular convex block (312), and the height of the annular convex block (312) is smaller than that of the cross convex block (311).

7. The mold for molding a dust cover according to claim 1, wherein: one side of the lower template (3) facing the middle template (2) is provided with a limiting convex strip (32), one side of the middle template (2) facing the lower template (3) is provided with a limiting groove (21) used for being in plug-in fit with the limiting convex strip (32), and the limiting convex strip (32) is in plug-in fit with the limiting groove (21).

8. The mold for molding a dust cover according to claim 1, wherein: the lower template (3) is provided with an inserting hole (314) used for placing the mounting column (009) at the edge of the bottom of the outer side forming groove (12), and the inserting hole (314) penetrates through the lower template (3).

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