CN211683253U

CN211683253U - Cleaning brush handle forming die

Info

Publication number: CN211683253U
Application number: CN201922501278.8U
Authority: CN
Inventors: 陈真; 韩浚遥; 王晓龙; 应昊东
Original assignee: Ningbo Huabao Baishun Mould Manufacturing Co ltd
Current assignee: Ningbo Huabao Baishun Mould Manufacturing Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-16
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a cleaning brush handle forming die, which comprises a die body, wherein the die body comprises a first upper die forming plate, a second upper die forming plate and two lower die forming plates, the first upper die forming plate and the second upper die forming plate can be matched with the lower die forming plates, the lower die forming plates are provided with a plurality of lower die grooves, and each lower die cavity is provided with a die core, the first upper die forming plate is provided with a plurality of first upper die cavities which can be adaptively combined with the plurality of lower die cavities, the first upper die cavities and the lower die cavities are combined to form a first forming die hole, and a first forming clearance is reserved between the mold core and the first forming die hole, the second upper mold forming plate is provided with a plurality of second upper mold grooves, the plurality of second upper mold grooves can be adaptively combined with the plurality of lower mold grooves, the second upper mold grooves and the lower mold grooves are combined to form a second forming die hole, and a second forming clearance is reserved between the mold core and the second forming die hole.

Description

Cleaning brush handle forming die

Technical Field

The utility model belongs to the technical field of injection mold and specifically relates to a cleaning brush handle forming die is related to.

Background

The double-color injection molding is to inject two different materials into the same set of mold to form a product with the two materials. Some two materials are different in color, and some two materials are different in hardness, so that the attractiveness and the mechanical property of the product are improved.

The double-color mold is a mold which is formed by injecting two plastic materials on the same injection molding machine in two times, but the product is only demoulded once. This molding process is also called two-shot molding, and is usually accomplished by a single set of molds, and requires a special two-shot molding machine.

FIG. 1 shows that a section of cleaning brush handle structure, it includes the decoration cortex 112 of plastics material's casing 111 and flexible glue material, decorates the attached casing 111 upper surface of cortex 112, because this handle has two kinds of materials, in order to reduce production processes, reduction in production cost, the technician has designed a double-colored injection mold of a section for in the batch production of this handle.

Disclosure of Invention

The utility model aims to solve the technical problem that a cleaning brush handle forming die is provided, want to be arranged in the manufacturing of cleaning brush handle with this mould, realize the batch production of cleaning brush handle.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a cleaning brush handle forming die comprises a die body, wherein the die body comprises a first upper die forming plate, a second upper die forming plate and two lower die forming plates, the first upper die forming plate and the second upper die forming plate can be matched with the lower die forming plates, the lower die forming plates are provided with a plurality of lower die grooves, a die core is arranged in each lower die groove, the first upper die forming plate is provided with a plurality of first upper die grooves, the plurality of first upper die grooves can be adaptively combined with the plurality of lower die grooves, the first upper die grooves are combined with the lower die grooves to form first forming die holes, a first forming gap is reserved between the die core and the first forming die holes, the second upper die forming plate is provided with a plurality of second upper die grooves, the plurality of second upper die grooves can be adaptively combined with the plurality of lower die grooves, the second upper die grooves are combined with the lower die grooves to form second forming die holes, and a second forming clearance is reserved between the mold core and the second forming mold hole.

The utility model discloses further preferred scheme: the mould body still include drive assembly and a plurality of sliding block set spare, drive assembly include hydro-cylinder, first draw piece, external gear and pivot, the hydro-cylinder with first draw the piece to be connected, external gear and pivot cup joint, first draw the piece on be equipped with the first tooth portion of external gear engagement, sliding block set spare include guide block, shaping piece and internal gear, internal gear and pivot cup joint, the shaping piece include shaping portion and second tooth portion, the guide block become the arc crooked and with shaping piece sliding connection, second tooth portion and guide block crookedness suit and with internal gear adaptability connect.

The utility model discloses further preferred scheme: the mould body still include the subassembly of loosing core, the subassembly of loosing core include that the second draws piece, main slider and a plurality of cores, a plurality of cores be connected with main slider, and every core constitutes with the shaping portion concatenation of shaping piece the mold core.

The utility model discloses further preferred scheme: the die body further comprises a lower die frame, the die body is provided with a fixed block, the fixed block is located below the lower die frame, the core pulling assembly and the plurality of sliding block assemblies are arranged on the lower die frame, and the rotating shaft is movably arranged in the fixed block.

Compared with the prior art, the utility model has the advantages of simple structure, reasonable in design can be arranged in the manufacturing of cleaning brush handle. The lower die cavity of the lower die forming plate is consistent with the shape and the contour of the lower surface of the shell, a die core is arranged in each lower die cavity and used for forming an inner cavity of the handle shell, a first upper die cavity of the first upper die forming plate is consistent with the shape and the contour of the upper surface of the shell, the first upper die cavities are correspondingly combined with the lower die cavities one by one, and a first forming gap reserved between a first forming die hole and the die core is a die cavity for forming the shell; the second upper die groove that the mould plate set up is gone up to the second is unanimous with appearance, the profile of handle upper surface, and the mould groove is combined with a plurality of lower mould grooves one-to-one on a plurality of seconds, and the second shaping clearance of reserving between second shaping die orifice and the mold core is for forming the handle die cavity.

Drawings

FIG. 1 is a schematic view of a cleaning brush handle;

FIG. 2 is a first schematic structural diagram of the present invention;

FIG. 3 is a second schematic structural view of the present invention;

FIG. 4 is a third schematic structural view of the present invention;

fig. 5 is a fourth schematic structural view of the present invention;

fig. 6 is a schematic structural diagram of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 2 to 6: a cleaning brush handle forming die comprises a die body, wherein the die body comprises a first upper die forming plate 1, a second upper die forming plate 2 and two lower die forming plates 3, the first upper die forming plate 1 and the second upper die forming plate 2 can be matched with the lower die forming plates 3, the lower die forming plate 3 is provided with a plurality of lower die grooves 4, a die core 5 is arranged in each lower die groove 4, the first upper die forming plate 1 is provided with a plurality of first upper die grooves 11, the plurality of first upper die grooves 11 can be adaptively combined with the plurality of lower die grooves 4, the first upper die grooves 11 are combined with the lower die grooves 4 to form first forming die holes, a first forming gap is reserved between the die core 5 and the first forming die holes, the second upper die forming plate 2 is provided with a plurality of second upper die grooves 21, the plurality of second upper die grooves 21 can be adaptively combined with the plurality of lower die grooves 4, the second upper die grooves 21 are combined with the lower die grooves 4 to form second forming die holes, and a second forming clearance is reserved between the mold core 5 and the second forming mold hole.

The die body further comprises a driving assembly and a plurality of sliding block assemblies, the driving assembly comprises an oil cylinder 8, a first pulling block 9, an outer gear 10 and a rotating shaft 101, the oil cylinder 8 is connected with the first pulling block 9, the outer gear 10 is sleeved with the rotating shaft 101, a first tooth portion 91 meshed with the outer gear 10 is arranged on the first pulling block 9, the sliding block assemblies comprise guide blocks 102, forming blocks 103 and inner gears 104, the inner gears 104 are sleeved with the rotating shaft 101, the forming blocks 103 comprise forming portions 1031 and second tooth portions 1032, the guide blocks 102 are curved in an arc shape and are in sliding connection with the forming blocks 103, and the second tooth portions 1032 are adaptive to the curvature of the guide blocks 102 and are adaptively connected with the inner gears 104. The oil cylinder 8 is arranged to drive the first pulling block 9 to move, the pulling block drives the outer gear 10 to rotate, the outer gear 10 rotates to drive the rotating shaft 101 and the inner gear 104 to rotate, and the inner gear 104 rotates to drive the forming slide block to move along the bending direction of the guide block 102.

The die body further comprises a core pulling assembly, the core pulling assembly comprises a second pulling block 105, a main sliding block 106 and a plurality of cores 107, the cores 107 are connected with the main sliding block 106, and each core 107 is spliced with the forming part 1031 of the forming block 103 to form the die core 5. The second pulling block 105 is connected with a power assembly on the injection molding machine, the pulling block is driven by the power assembly to move towards the outside of the mold, and the main sliding block 106 can drive a plurality of cores 107 to be drawn out from the lower mold groove 4.

The die body further comprises a lower die frame 12, the die body is provided with a fixing block 13, the fixing block 13 is located below the lower die frame 12, the core pulling assembly and the plurality of sliding block assemblies are arranged on the lower die frame 12, and the rotating shaft 101 is movably arranged in the fixing block 13.

Briefly, the handle forming process: the lower die A and the lower die B are used for replacing two lower die forming plates 3, so that the two lower die forming plates are convenient to distinguish;

the mold is arranged in a two-color injection molding machine which is suitable for the mold, a first upper mold forming plate 1 and a second upper mold forming plate 2 are respectively matched with a lower mold A and a lower mold B, the lower mold A and the first upper mold forming plate 1 are matched to form a first forming gap, a melt I is injected into the first forming gap through a first material port 14 arranged on the mold body by the injection molding machine, the melt I is formed in a lower mold forming plate 3 matched with the first upper mold forming plate 1 to form a shell, then the first upper mold forming plate 1 and the lower mold A are separated, the second upper mold forming plate 2 and the lower mold A are matched to form a second forming gap, the first upper mold forming plate 1 and the lower mold B are matched to form the first forming gap, and then the melt II is injected into the second forming gap through a second material port 15 arranged on the mold body by the injection molding machine to form a cleaning brush handle.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A cleaning brush handle forming die comprises a die body and is characterized in that the die body comprises a first upper die forming plate, a second upper die forming plate and two lower die forming plates, the first upper die forming plate and the second upper die forming plate can be matched with the lower die forming plates, the lower die forming plates are provided with a plurality of lower die grooves, a die core is arranged in each lower die groove, the first upper die forming plate is provided with a plurality of first upper die grooves, the plurality of first upper die grooves can be adaptively combined with the plurality of lower die grooves, the first upper die grooves are combined with the lower die grooves to form first forming die holes, first forming gaps are reserved between the die cores and the first forming die holes, the second upper die forming plate is provided with a plurality of second upper die grooves, the plurality of second upper die grooves can be adaptively combined with the plurality of lower die grooves, the second upper die grooves are combined with the lower die grooves to form second forming die holes, and a second forming clearance is reserved between the mold core and the second forming mold hole.

2. The forming die for the cleaning brush handle as claimed in claim 1, wherein the die body further comprises a driving assembly and a plurality of sliding block assemblies, the driving assembly comprises an oil cylinder, a first pull block, an outer gear and a rotating shaft, the oil cylinder is connected with the first pull block, the outer gear is sleeved with the rotating shaft, a first tooth part meshed with the outer gear is arranged on the first pull block, the sliding block assemblies comprise a guide block, a forming block and an inner gear, the inner gear is sleeved with the rotating shaft, the forming block comprises a forming part and a second tooth part, the guide block is curved in an arc shape and is in sliding connection with the forming block, and the second tooth part is adaptive to the curvature of the guide block and is adaptively connected with the inner gear.

3. The cleaning brush handle forming die as claimed in claim 2, wherein the die body further comprises a core pulling assembly, the core pulling assembly comprises a second pulling block, a main sliding block and a plurality of cores, the plurality of cores are connected with the main sliding block, and each core is spliced with the forming part of the forming block to form the die core.

4. The mold for molding the handle of the cleaning brush as claimed in claim 3, wherein the mold body further comprises a lower mold frame, the mold body is provided with a fixed block, the fixed block is located below the lower mold frame, the core pulling assembly and the plurality of sliding block assemblies are both arranged on the lower mold frame, and the rotating shaft is movably arranged in the fixed block.