CN209775427U

CN209775427U - Hand wheel die

Info

Publication number: CN209775427U
Application number: CN201920584189.1U
Authority: CN
Inventors: 梁明
Original assignee: Xiamen Chuangxinbang Industry And Trade Co Ltd
Current assignee: Xiamen Chuangxinbang Industry And Trade Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2019-12-13
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a hand wheel mould, which comprises an upper mould and a lower mould, wherein the lower mould is arranged on a lower mould seat through a bolt, the upper mould is connected with the lower end of the upper mould seat through a bolt, the upper mould is inserted on the lower mould, the inner side wall of the upper mould and the lower mould is provided with a matched forming cavity, and a feeding pipe hole which is in butt joint with the forming cavity is penetrated in the middle of the lower mould, in the hand wheel forming process, a limiting block is used for matching with a bayonet of the lower end of a hand wheel for forming, and the limiting block is inserted at the lower end of the lower mould for convenient disassembly and cleaning, a connecting rod inserted at the side edge of the lower mould is used for matching with a hand wheel through hole for forming, thereby avoiding the possibility that the hand wheel is scratched or scrapped due to the secondary punching of the hand wheel, improving the yield of the hand wheel, a, the clamping block provided with the connecting rod is used for being matched and dismounted, and the formed hand wheel is convenient to demould.

Description

Hand wheel die

Technical Field

The utility model relates to an injection mold technical field specifically is a hand wheel mould.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The injection mold is divided into a thermosetting plastic mold and a thermoplastic plastic mold according to the molding characteristics; according to the forming process, the method is divided into a transfer mold, a blow mold, a cast mold, a hot forming mold, a hot pressing mold (compression mold), an injection mold and the like, wherein the hot pressing mold can be divided into a flash type, a semi-flash type and a non-flash type by a flash mode, and the injection mold can be divided into a cold runner mold and a hot runner mold by a pouring system; the device can be divided into a movable type and a fixed type according to the loading and unloading mode.

In current hand wheel forming process, the easy residual material in hand wheel port position that the hand wheel mould corresponds, inconvenient clearance, the hand wheel need be fixed on the connecting rod structure that corresponds moreover, often needs extra drilling operation, conveniently passes through the bolt fastening hand wheel, but the secondary punches and destroys the hand wheel easily, and the position of just punching is hardly unanimous.

Therefore, the hand wheel die is provided for solving the problems in the prior art, the hand wheel die is convenient to demould, material residue is reduced, meanwhile, holes are prefabricated in the hand wheel, the accuracy of hand wheel bolt holes is improved, damage to the hand wheel due to secondary drilling is avoided, and the rejection rate of the hand wheel is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hand wheel mould to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hand wheel mold, includes mould and lower mould, the lower mould passes through the bolt and installs on the die holder, go up the mould and pass through bolted connection at the upper die base lower extreme, go up the mould and peg graft on the lower mould, it has seted up assorted shaping chamber to go up mould and lower mould inside wall, just run through the feed tube hole that docks mutually with shaping chamber in the middle of the lower mould, set up the feed tube hole of the same specification in the middle of the die holder lower extreme, and the feed tube hole runs through the die holder inside and is linked together with lower mould shaping chamber, it has the stopper to peg graft in the lower mould bottom, set up the through-hole in the middle of the stopper and be linked together with feed tube hole and lower mould shaping chamber, the lower mould lateral wall is pegged graft and is had the connecting rod, connecting.

Preferably, the bottom of the lower die holder is connected to the cushion block through a bolt, the lower end of the cushion block is connected to the bottom plate through a bolt, and the width of the bottom plate is larger than that of the lower die holder.

Preferably, the bottom plate is connected with a base plate located between the cushion blocks through bolts, the base plate is connected with a panel through bolts, and the length and the width of the base plate are equal to those of the panel.

Preferably, the middle of the backing plate and the panel is provided with a butt-joint through hole, and the side edge of the panel is provided with a through hole matched with the lower die holder.

Preferably, a guide hole is formed in the middle of the bottom plate, and a nameplate is mounted on the side wall of the cushion block.

Preferably, the upper end of the upper die base is connected to the lower end of the fixed plate through a bolt, and the middle through hole of the fixed plate is sequentially communicated with the feeding pipe hole of the upper die base and the upper die forming cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

The utility model discloses in the hand wheel shaping, the injection molding machine pushes down the upper die base, after making the upper die peg graft on the lower mould, fill the hot melt material into the shaping intracavity of upper die and lower mould through the multiunit feed pipe hole, the material is exothermic cooling shaping in the shaping intracavity, the stopper is used for cooperating the bayonet socket shaping of hand wheel lower extreme, and the stopper is pegged graft at the lower mould lower extreme, it is convenient to dismantle the clearance, the connecting rod that the lower mould side was pegged graft is used for cooperating the shaping of hand wheel through-hole, avoid the hand wheel post secondary operation of punching, the shaping precision of hand wheel lateral wall through-hole is improved, also avoid the hand wheel secondary to punch and can cause the hand wheel fish tail or scrap possibility, improve the hand wheel yield, the fixture block is used for cooperating the connecting rod of connecting, install on the lower die base and carry on the spacing to the connecting rod, avoid, the demoulding of the formed hand wheel is convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

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

FIG. 4 is a schematic view of the cross-sectional structure at A-A of the present invention;

FIG. 5 is a schematic view of the cross-sectional structure at the position B-B of the present invention;

FIG. 6 is a schematic view of the upper and lower mold assembly of the present invention;

Fig. 7 is a schematic view of the cross-sectional structure at the position C-C of the present invention.

In the figure: 1 upper die, 2 lower dies, 3 lower die holders, 4 upper die holders, 5 feed pipe holes, 6 limiting blocks, 7 connecting rods, 8 clamping blocks, 9 cushion blocks, 10 bottom plates, 11 backing plates, 12 panels, 13 guide holes, 14 nameplates and 15 fixing plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a hand wheel die comprises an upper die 1 and a lower die 2, wherein the lower die 2 is installed on a lower die base 3 through bolts, the upper die 1 is connected with the lower end of an upper die base 4 through bolts, the upper die 1 is inserted in the lower die 2, matched forming cavities are formed in the inner side walls of the upper die 1 and the lower die 2, a feeding pipe hole 5 which is in butt joint with the forming cavities penetrates through the middle of the lower die 2, a feeding pipe hole 5 with the same specification is formed in the middle of the lower end of the lower die base 3, the feeding pipe hole 5 penetrates through the inside of the lower die base 3 and is communicated with the forming cavities of the lower die 2, a limiting block 6 is inserted at the bottom of the lower die 2, a through hole is formed in the middle of the limiting block 6 and is communicated with the feeding pipe hole 5 and the forming cavities of the lower die 2, a connecting rod 7 is inserted in the side, the fixture block 8 is clamped in a groove of the lower die holder 3, in the process of hand wheel forming, an injection molding machine presses the upper die holder 4 downwards to ensure that after the upper die 1 is inserted on the lower die 2, hot-melt materials are filled into the forming cavities of the upper die 1 and the lower die 2 through a plurality of groups of feeding pipe holes 5, the materials are subjected to heat release cooling forming in the forming cavities, the limit block 6 is used for matching with a bayonet at the lower end of the hand wheel for forming, the limit block 6 is inserted at the lower end of the lower die 2 for facilitating disassembly and cleaning, the connecting rod 7 inserted at the side edge of the lower die 2 is used for matching with a through hole of the hand wheel for forming, the later-stage secondary processing punching operation of the hand wheel is avoided, the forming precision of the through hole on the side wall of the hand wheel is improved, the possibility that the hand wheel is scratched or scrapped due to the secondary punching of, can install connecting rod structure according to actual demand for the fixture block 8 of installing connecting rod 7 is demolishd in the cooperation, makes things convenient for fashioned hand wheel drawing of patterns.

specifically, the bottom of the lower die holder 3 is connected to cushion blocks 9 through bolts, the lower ends of the cushion blocks 9 are connected to a bottom plate 10 through bolts, the width of the bottom plate 10 is larger than that of the lower die holder 3, the bottom plate 10 is connected with a backing plate 11 positioned between the cushion blocks 9 through bolts, the backing plate 11 is connected with a panel 12 through bolts, the length and the width of the backing plate 11 are equal to those of the panel 12, a butt-joint through hole is formed between the backing plate 11 and the panel 12, a through hole matched with the lower die holder 3 is formed in the side edge of the panel 12, a guide hole 13 is formed in the middle position of the bottom plate 10, a nameplate 14 is installed on the side wall of the cushion block 9, the cushion blocks 9 are used for supporting the lower die holder 3 in a matched manner, the bottom plate 10 is used for installing a die on an injection molding machine, the, the upper die base 4 is connected in a matching way, so that the pressing precision of the die is improved.

Specifically, the upper end of the upper die base 4 is connected to the lower end of a fixing plate 15 through a bolt, and a through hole in the middle of the fixing plate 15 is sequentially communicated with a feeding pipe hole 5 of the upper die base 4 and a forming cavity of the upper die 1.

the working principle is as follows: in the molding of a hand wheel, an injection molding machine presses an upper die base 4 downwards, after an upper die 1 is inserted on a lower die 2, hot-melt materials are filled into molding cavities of the upper die 1 and the lower die 2 through a plurality of groups of feeding tube holes 5, the materials are subjected to heat release cooling molding in the molding cavities, a limiting block 6 is used for matching with a bayonet at the lower end of a hand wheel for molding, the limiting block 6 is inserted at the lower end of the lower die 2, the disassembly and cleaning are convenient, a connecting rod 7 inserted at the side edge of the lower die 2 is used for matching with a through hole of the hand wheel for molding, the post secondary processing and punching operation of the hand wheel are avoided, the molding precision of the through hole of the side wall of the hand wheel is improved, the possibility that the hand wheel is scratched or scrapped due to secondary punching of the hand wheel is also avoided, the yield of the hand wheel is improved, a fixture block 8 for the cooperation is demolishd and is installed connecting rod 7, makes things convenient for fashioned hand wheel drawing of patterns, and cushion 9 is used for the cooperation to support die holder 3, and bottom plate 10 is used for the cooperation to install the mould on the injection molding machine, and backing plate 11 and panel 12 are used for the cooperation to be connected die holder 3, are used for installing the guide post that leads to die holder 3 in the bullport 13 simultaneously, and the cooperation is connected upper die base 4, improves the precision of mould pressfitting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hand wheel mould, includes mould (1) and lower mould (2), its characterized in that: the lower die (2) is mounted on the lower die base (3) through a bolt, the upper die (1) is connected to the lower end of the upper die base (4) through a bolt, the upper die (1) is inserted into the lower die (2), matched molding cavities are formed in the inner side walls of the upper die (1) and the lower die (2), a feeding pipe hole (5) which is in butt joint with the molding cavities penetrates through the middle of the lower die (2), a feeding pipe hole (5) with the same specification is formed in the middle of the lower end of the lower die base (3), the feeding pipe hole (5) penetrates through the inner part of the lower die base (3) and is communicated with the molding cavities of the lower die (2), a limiting block (6) is inserted into the bottom of the lower die (2), a through hole is formed in the middle of the limiting block (6) and is communicated with the feeding pipe hole (5) and the molding cavities of the lower die (2), a connecting rod (7) is inserted into the side wall, the other end of the connecting rod (7) is in threaded connection with the side edge of the clamping block (8), and the clamping block (8) is clamped in the groove of the lower die base (3).

2. A hand wheel mold as claimed in claim 1, wherein: the bottom of the lower die holder (3) is connected to a cushion block (9) through a bolt, the lower end of the cushion block (9) is connected to a bottom plate (10) through a bolt, and the width of the bottom plate (10) is larger than that of the lower die holder (3).

3. a hand wheel mold as claimed in claim 2, wherein: the base plate (10) is connected with a base plate (11) located between the cushion blocks (9) through bolts, the base plate (11) is connected with a panel (12) through bolts, and the length and the width of the base plate (11) are equal to those of the panel (12).

4. a hand wheel mold as claimed in claim 3, wherein: the middle of the backing plate (11) and the panel (12) is provided with a butt-joint through hole, and the side edge of the panel (12) is provided with a through hole matched with the lower die holder (3).

5. A hand wheel mold as claimed in claim 2, wherein: a guide hole (13) is formed in the middle of the bottom plate (10), and a nameplate (14) is installed on the side wall of the cushion block (9).

6. A hand wheel mold as claimed in claim 1, wherein: the upper end of the upper die holder (4) is connected to the lower end of the fixing plate (15) through bolts, and the middle through hole of the fixing plate (15) is sequentially communicated with the feeding pipe hole (5) of the upper die holder (4) and the forming cavity of the upper die (1).