CN214773796U

CN214773796U - Mould for plastic shaft of household appliance product

Info

Publication number: CN214773796U
Application number: CN202120674990.2U
Authority: CN
Inventors: 方名赟
Original assignee: Kunshan Jonah Precision Automobile Parts Co ltd
Current assignee: Kunshan Jonah Precision Automobile Parts Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-19
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a household electrical appliances plastics mould for axle relates to injection mold technical field, and its technical scheme main points are: including an upper fixed plate and bottom plate, an upper fixed plate and bottom plate correspond the position and are provided with movable mould board and fixed die plate respectively, upper die benevolence groove and lower mould benevolence groove have been seted up on movable mould board and the fixed die plate respectively, it is provided with mould benevolence subassembly to go up the mould benevolence inslot, the mould benevolence subassembly is provided with the lower mould benevolence subassembly down in the mould benevolence inslot down, it includes the cladding in the last mould benevolence cover to go up the mould benevolence cover of mould benevolence inslot, rotate and connect the last mould benevolence in last mould benevolence cover and be used for driving upper die benevolence pivoted driving motor, the lower mould benevolence subassembly includes cladding in lower mould benevolence inslot lower mould benevolence cover and the lower mould benevolence of interference fit in lower mould benevolence cover, go up and offer the fashioned die cavity of work piece down, be provided with the hole of pouring that communicates with the die cavity that runs through on upper fixed plate and the movable die plate. The utility model has the advantages of good demoulding effect and high product yield.

Description

Mould for plastic shaft of household appliance product

Technical Field

The utility model relates to an injection mold technical field, more specifically say, it relates to a household electrical appliances plastics mould for axle.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification. The plastic shaft of household electrical appliances also adopts injection mold injection molding usually, this type of plastic shaft is provided with the screw thread usually, set up to two half moulds along its axis when using the mould to carry out injection molding generally, form the die cavity by the closure of two half moulds, two half moulds break away from during the drawing of patterns, however the screw thread form overhead kick of plastic shaft blocks easily in the die cavity of one of them half mould, it is difficult to accomplish the drawing of patterns, consequently need set up comparatively complicated structure to assist drawing of patterns, the yields of shaping and drawing of patterns in-process product is difficult to guarantee.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a household electrical appliances plastics is mould for axle has that drawing of patterns is effectual, advantage that the product yields is high.

The above technical purpose of the present invention can be achieved by the following technical solutions: a mould for plastic shafts of household appliances comprises an upper fixed plate and a lower fixed plate, wherein a movable mould plate and a fixed mould plate are respectively arranged at corresponding positions of the upper fixed plate and the lower fixed plate, an upper mold core groove and a lower mold core groove are respectively arranged at corresponding positions on the movable mold plate and the fixed mold plate, an upper mold core assembly is arranged in the upper mold core groove, the lower mold core groove is internally provided with a lower mold core assembly, the upper mold core assembly comprises an upper mold core sleeve coated in the upper mold core groove, an upper mold core rotationally connected in the upper mold core sleeve and a driving motor arranged on the upper fixing plate and used for driving the upper mold core to rotate, the lower mold core assembly comprises a lower mold core sleeve coated in the lower mold core groove and a lower mold core in interference fit in the lower mold core sleeve, the upper die core and the lower die core are provided with cavities which are communicated with each other and used for forming workpieces, and the upper fixed plate and the movable die plate are provided with through pouring holes communicated with the cavities.

Through adopting above-mentioned technical scheme, when the work piece finishes moulding plastics and need the drawing of patterns, go up mould benevolence and can follow the screw thread form strength direction rotation of product by the driving motor drive, back out the die cavity with the product, reach the effect of product drawing of patterns, the drawing of patterns in-process need not assist with the thimble, is difficult to damage the product.

The utility model discloses further set up to: go up mould benevolence groove and lower mould benevolence groove and be the thread groove, all be provided with the screw thread on the periphery wall of going up mould benevolence cover and lower mould benevolence cover, go up mould benevolence cover and lower mould benevolence cover threaded connection in the thread groove.

Through adopting above-mentioned technical scheme, only need in the installation with the last mould benevolence cover or the lower mould benevolence cover of well assembled last mould benevolence or the lower mould benevolence and other subassemblies screw in the thread groove can, it is convenient to install, work efficiency is high to can change mould benevolence according to different shaping demands.

The utility model discloses further set up to: the upper die core assembly further comprises two bearings, the peripheral walls of the outer rings of the two bearings are in interference fit with the two ends of the upper die core sleeve respectively, and the peripheral wall of the upper die core is in interference fit with the peripheral walls of the inner rings of the two bearings.

By adopting the technical scheme, the rotation of the upper die core is more stable and flexible through the arrangement of the bearing.

The utility model discloses further set up to: and a die assembly positioning component is arranged between the movable die plate and the fixed die plate and comprises a female block fixed on the movable die plate and a male block which is matched with the female block and fixed on the fixed die plate.

Through adopting above-mentioned technical scheme, the setting up of compound die locating component lets it fix a position when the compound die is debugged to can let go up the merciful and peaceful lower mould benevolence of mould and can effectively seal the cooperation and form the die cavity.

The utility model discloses further set up to: the upper fixed plate is fixedly connected with a lower base plate through square iron, the lower base plate is fixedly connected with a plurality of guide posts through a fixed template, the upper fixed plate is fixedly connected with an upper base plate, the upper fixed plate is provided with a guide sleeve through the upper base plate, and one end of the guide sleeve, far away from the upper fixed plate, is slidably connected in the guide sleeve.

Through adopting above-mentioned technical scheme, the setting of uide bushing and guiding axle lets it carry out spacing and location when the drawing of patterns or compound die, improves the stability of work.

The utility model discloses further set up to: and a closing template is embedded into one end of the movable template, which is close to the fixed template, and a return spring is arranged on the fixed template, which faces the closing template.

Through adopting above-mentioned technical scheme, reset spring's setting on the one hand can cushion the impact force of movable mould board to the fixed die plate when the compound die, and on the other hand when carrying out the drawing of patterns, reset spring can give an ascending elasticity of movable mould board for the drawing of patterns is easier.

Drawings

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

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

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a cross-sectional view of the upper mold core assembly and the lower mold core assembly of the present invention.

In the figure: 1. an upper fixing plate; 2. pouring holes; 3. an upper base plate; 4. moving the template; 5. fixing a template; 6. a lower base plate; 7. square iron; 8. a lower fixing plate; 9. a mold closing positioning component; 91. a master block; 92. a male block; 10. an upper mold core assembly; 101. an upper die core sleeve; 102. a bearing; 103. an upper die core; 11. a lower mold core assembly; 111. a lower die core sleeve; 112. a lower die core; 12. combining the templates; 13. a guide sleeve; 14. a guide post; 15. a drive motor; 16. a mold cavity.

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.

As shown in fig. 1-4, a mold for a plastic shaft of a household electrical appliance comprises an upper fixing plate 1 and a lower fixing plate 8, a movable mold plate 4 and a fixed mold plate 5 are respectively disposed at corresponding positions of the upper fixing plate 1 and the lower fixing plate 8, an upper mold core groove and a lower mold core groove are respectively disposed at corresponding positions of the movable mold plate 4 and the fixed mold plate 5, an upper mold core assembly 10 is disposed in the upper mold core groove, a lower mold core assembly 11 is disposed in the lower mold core groove, the upper mold core assembly 10 comprises an upper mold core sleeve 101 coated in the upper mold core groove, an upper mold core 103 rotatably connected in the upper mold core sleeve 101, and a driving motor 15 disposed on the upper fixing plate 1 and used for driving the upper mold core 103 to rotate, the lower mold core assembly 11 comprises a lower mold core sleeve 111 coated in the lower mold core groove and a lower mold core 112 in the lower mold core sleeve 111 in an interference fit manner, a mold cavity 16 for molding a workpiece is disposed on the upper mold core 103 and the lower mold core 112 and communicated with each other, because the product is the screw thread form, so be provided with the thread groove with the product adaptation in the die cavity 16, be provided with the hole 2 of pouring that runs through and die cavity 16 intercommunication on upper fixed plate 1 and the movable mould board 4, when the work piece finishes need the drawing of patterns, go up the mould benevolence 103 and can be rotated by the screw thread form strength direction of driving motor 15 drive following the product, unscrew the product and lie in the die cavity 16 of last mould benevolence 103 department, can be with the product manual or with the help of external instrument back-out die cavity 16 that lies in lower mould benevolence 112 department after that, reach the effect of product drawing of patterns, the drawing of patterns in-process need not assist with the thimble, be difficult to damage the product.

On the basis, in order to improve the working efficiency, the upper die core assembly 10 and the lower die core assembly 11 are arranged into two groups.

On the basis, it is the thread groove to go up mould benevolence groove and lower mould benevolence groove, all be provided with the screw thread on the periphery wall of last mould benevolence cover 101 and lower mould benevolence cover 111, go up mould benevolence cover 101 and lower mould benevolence cover 111 threaded connection in the thread groove, in the installation only need with the last mould benevolence cover 101 or the lower mould benevolence cover 111 of the good last mould benevolence or lower mould benevolence and other subassemblies of assembling screw into the thread groove can, it is convenient to install, work efficiency is high to can change mould benevolence according to different shaping demands.

On the basis, the upper mold core assembly 10 further comprises two bearings 102, outer ring peripheral walls of the two bearings 102 are respectively in interference fit with two ends of the upper mold core sleeve 101, the outer ring peripheral walls of the upper mold core are in interference fit with inner ring peripheral walls of the two bearings 102, and the rotation of the upper mold core is more stable and flexible through the arrangement of the bearings 102.

On the basis, be provided with compound die locating component 9 between movable mould board 4 and the fixed die plate 5, compound die locating component 9 is including fixing the female block 91 on movable mould board 4 and with the male block 92 of fixing on the fixed die plate 5 of female block 91 adaptation, and the setting of compound die locating component 9 lets it fix a position when the compound die is debugged to can let last mould benevolence and lower mould benevolence can effectively seal the cooperation and form die cavity 16.

On the basis, through square iron 7 fixedly connected with lower bolster 6 on the lower fixed plate 8, run through a plurality of guide posts 14 of 5 fixedly connected with of fixed die plate on the lower bolster 6, fixedly connected with upper padding plate 3 on the upper fixed plate 1, it is provided with uide bushing 13 to run through upper padding plate 3 on the upper fixed plate 1, one end sliding connection that upper fixed plate 1 was kept away from to uide bushing 13 is in uide bushing 13, and the setting of uide bushing 13 and guiding axle lets it carry on spacingly and location when the drawing of patterns or compound die, improves the stability of work.

On the basis, a mold closing plate 12 is embedded into one end, close to the fixed mold plate 5, of the movable mold plate 4, a return spring is arranged on the fixed mold plate 5 towards the mold closing plate 12, on one hand, the return spring can buffer the impact force of the movable mold plate 4 on the fixed mold plate 5 during mold closing, and on the other hand, when demolding is carried out, the return spring can give upward elastic force to the movable mold plate 4, so that demolding is easier.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a household appliances product mould for plastic shaft, includes upper fixed plate (1) and bottom plate (8), upper fixed plate (1) and bottom plate (8) correspond the position and are provided with movable mould board (4) and fixed die plate (5) respectively, its characterized in that: the corresponding positions of the movable mould plate (4) and the fixed mould plate (5) are respectively provided with an upper mould core groove and a lower mould core groove, an upper mold core assembly (10) is arranged in the upper mold core groove, a lower mold core assembly (11) is arranged in the lower mold core groove, the upper mold core assembly (10) comprises an upper mold core sleeve (101) coated in the upper mold core groove, an upper mold core (103) rotatably connected in the upper mold core sleeve (101) and a driving motor (15) arranged on the upper fixing plate (1) and used for driving the upper mold core (103) to rotate, the lower mold core assembly (11) comprises a lower mold core sleeve (111) coated in the lower mold core groove and a lower mold core (112) in interference fit in the lower mold core sleeve (111), the upper die core (103) and the lower die core (112) are provided with mutually communicated die cavities (16) for forming workpieces, and the upper fixing plate (1) and the movable mould plate (4) are provided with a pouring hole (2) which penetrates through and is communicated with the mould cavity (16).

2. The mold for the plastic shaft of the household appliance product as claimed in claim 1, wherein: go up mould benevolence groove and lower mould benevolence groove and be the thread groove, all be provided with the screw thread on the periphery wall of last mould benevolence cover (101) and lower mould benevolence cover (111), go up mould benevolence cover (101) and lower mould benevolence cover (111) threaded connection in the thread groove.

3. The mold for the plastic shaft of the household appliance product as claimed in claim 1, wherein: the upper die core assembly (10) further comprises two bearings (102), the peripheral walls of the outer rings of the two bearings (102) are in interference fit with the two ends of the upper die core sleeve (101) respectively, and the peripheral walls of the upper die core are in interference fit with the peripheral walls of the inner rings of the two bearings (102).

4. The mold for the plastic shaft of the household appliance product as claimed in claim 1, wherein: a die assembly positioning component (9) is arranged between the movable die plate (4) and the fixed die plate (5), and the die assembly positioning component (9) comprises a female block (91) fixed on the movable die plate (4) and a male block (92) which is matched with the female block (91) and fixed on the fixed die plate (5).

5. The mold for the plastic shaft of the household appliance product as claimed in claim 1, wherein: go up through square iron (7) fixedly connected with lower bolster (6) on lower fixed plate (8), run through a plurality of guide posts (14) of fixed die plate (5) fixedly connected with on lower bolster (6), fixedly connected with upper padding plate (3) on upper fixed plate (1), it is provided with uide bushing (13) to run through upper padding plate (3) on upper fixed plate (1), the one end sliding connection that upper fixed plate (1) was kept away from in uide bushing (13).

6. The mold for the plastic shaft of the household appliance product as claimed in claim 1, wherein: one end of the movable template (4) close to the fixed template (5) is embedded with a closing template (12), and a return spring is arranged on the fixed template (5) towards the closing template (12).