CN212147329U

CN212147329U - Plastic lampshade mould

Info

Publication number: CN212147329U
Application number: CN202020285043.XU
Authority: CN
Inventors: 严明; 金成杰; 周耿
Original assignee: Shaoxing Shangyu Home Appliance Plastic Factory
Current assignee: Shaoxing Shangyu Home Appliance Plastic Factory
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-12-15
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a plastic lampshade mould, its technical scheme main points are: including cover half and movable mould, the cover half includes punch holder board and die cavity fixed plate, and the movable mould includes lower die holder board and core fixed plate, and the punch holder board both sides all are provided with the curb plate, are provided with fixed establishment on the curb plate, and fixed establishment includes the cylinder of fixed connection on the curb plate outer wall, and the one end that the curb plate was stretched out to the piston rod of cylinder is provided with the fixed block, and lower die holder board both sides are all offered and are used for fixed block male through-hole, are provided with the locating pin in. The utility model discloses an useful: insert the constant head tank through the locating pin and carry out the location of movable mould and cover half, the rethread fixed block inserts the locating pin and fixes cover half and movable mould for difficult emergence is rocked at the in-process of moulding plastics, has improved the precision of mould compound die, has guaranteed the product precision, has improved product quality.

Description

Plastic lampshade mould

Technical Field

The utility model relates to a mould equipment, more specifically say, it relates to a plastic lampshade mould.

Background

An injection mold is a tool for producing plastic products, and is a tool for giving the plastic products complete structures and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. At present, the existing injection mold mainly comprises a movable mold and a fixed mold, defective products are easy to appear due to inaccurate positioning during mold closing, and shaking is caused between the movable mold and the fixed mold due to overlarge pressure during injection molding, so that the product quality is influenced.

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 plastic lampshade mould of high accuracy.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a plastic lampshade mould, includes cover half and movable mould, the cover half includes punch holder board and die cavity fixed plate, the movable mould includes lower die holder board and core fixed plate, punch holder board both sides all are provided with the curb plate, be provided with fixed establishment on the curb plate, fixed establishment includes the cylinder of fixed connection on the curb plate outer wall, the one end that the piston rod of cylinder stretches out the curb plate is provided with the fixed block, lower die holder board both sides are all offered and are used for fixed block male through-hole, the die cavity fixed plate is provided with the locating pin in the one side of core fixed plate, the core fixed plate is offered and is used for locating pin male constant head tank in the one side of die cavity fixed plate.

Through adopting above-mentioned technical scheme, insert the constant head tank through the locating pin and carry out the location of cover half and movable mould, the rethread fixed block inserts the locating pin and fixes cover half and movable mould for difficult emergence is rocked at the in-process of moulding plastics, has improved the precision of mould compound die, has guaranteed the product precision, has improved product quality.

The utility model discloses further set up to: be provided with a plurality of stoppers on the internal perisporium of jack, set up a plurality of stopper male spacing grooves that are used for on the fixed block periphery wall.

Through adopting above-mentioned technical scheme, owing to be provided with stopper and spacing groove, spacing through the spacing groove to the stopper for the fixed block is difficult for taking place to rock, thereby makes the fixed more stable of fixed block in the jack.

The utility model discloses further set up to: the side plate is provided with a sleeve, a plurality of sliding grooves are formed in the inner peripheral wall of the sleeve, and a plurality of sliding blocks used for being clamped into the sliding grooves are arranged on the outer peripheral wall of the piston rod.

Through adopting above-mentioned technical scheme, owing to be provided with slider and spout, spacing through the spout to the slider for the piston rod slides the in-process more stably in the sleeve pipe.

The utility model discloses further set up to: the buffer mechanism comprises a plurality of buffer columns fixedly connected to the lower die seat plate, an elastic piece is arranged at one end, far away from the lower die seat plate, of each buffer column, and a buffer plate is arranged at one end, far away from the buffer columns, of each elastic piece.

Through adopting above-mentioned technical scheme, owing to be provided with buffer gear, for last mould and lower mould provide the buffering effect, alleviate the effort that produces when last mould and lower mould collision, promoted the life of mould greatly.

The utility model discloses further set up to: a plug is arranged on one surface, away from the cavity fixing plate, of the positioning pin, and an arc surface is formed in the plug.

Through adopting above-mentioned technical scheme, owing to seted up the arc surface on the plug for at the in-process that the locating pin inserted the constant head tank, even there is small deviation, the locating pin also can slide into the constant head tank through the arc surface on the plug, thereby makes the location more accurate.

The utility model discloses further set up to: the fixed block is made of hard alloy.

By adopting the technical scheme, the fixing block is made of the hard alloy, and the hard alloy has extremely high hardness and wear resistance, so that the fixing block is not easy to wear, and the service life is prolonged.

To sum up, the utility model discloses following beneficial effect has: insert the constant head tank through the locating pin and carry out the location of going up mould and lower mould, rethread fixed block inserts the locating pin and fixes last mould and lower mould for difficult emergence is rocked at the in-process of moulding plastics, has improved the precision of mould compound die, has guaranteed the product precision, has improved product quality.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

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

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is an enlarged view of the structure at C in FIG. 3;

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

In the figure: 1. fixing a mold; 2. moving the mold; 3. an upper die base plate; 4. a cavity fixing plate; 5. a lower die base plate; 6. A core fixing plate; 7. a side plate; 8. a cylinder; 9. a piston rod; 10. a fixed block; 11. a through hole; 12. positioning pins; 13. positioning a groove; 14. a jack; 15. a limiting block; 16. a limiting groove; 17. a sleeve; 18. A chute; 19. a slider; 20. a plug; 21. a circular arc surface; 22. a buffer column; 23. an elastic member; 24. A buffer plate.

Detailed Description

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

A plastic lampshade mould is shown in figures 1 to 6 and comprises a fixed mould 1 and a movable mould 2, wherein the fixed mould 1 comprises an upper mould base plate 3 and a cavity fixing plate 4, the movable mould 2 comprises a lower mould base plate 5 and a core fixing plate 6, both sides of the upper mould base plate 3 are provided with side plates 7, the side plates 7 are provided with fixing mechanisms, the fixing mechanisms comprise air cylinders 8 fixedly connected on the outer walls of the side plates 7, one ends of piston rods 9 of the air cylinders 8, extending out of the side plates 7, are provided with fixing blocks 10 made of hard alloy, both sides of the lower mould base plate 5 are provided with through holes 11 for inserting the fixing blocks 10, one side of the cavity fixing plate 4, facing the core fixing plate 6, is provided with positioning pins 12, one side of the positioning pins 12, far away from the cavity fixing plate 4, is provided with plugs 20, the plugs 20 are provided with, offer on locating pin 12 and be used for fixed block 10 male jack 14, be provided with a plurality of stoppers 15 on the 14 internal perisporium of jack, set up a plurality of stopper 15 male spacing grooves 16 that are used for of being used for on the 10 external peripheral walls of fixed block, be provided with sleeve pipe 17 on curb plate 7, a plurality of spouts 18 have been seted up on the internal perisporium of sleeve pipe 17, be provided with a plurality of sliders 19 that are used for the card income spout 18 on the 9 external peripheral walls of piston rod, be provided with a plurality of buffer gear on lower die seat board 5, buffer gear includes a plurality of fixed connection buffer post 22 on lower die seat board 5, the one end that buffer post 22 kept away from lower die seat board 5 is.

During injection molding, the movable mold 2 starts to move towards the fixed mold 1, in the process that the core fixing plate 6 gradually approaches to the cavity fixing plate 4, the positioning pins 12 on the cavity fixing plate 4 are gradually inserted into the positioning grooves 13 on the core fixing plate 6, after the positioning pins 12 are inserted into the bottoms of the positioning grooves 13, the positioning of the core fixing plate 6 and the cavity fixing plate 4 is completed, then the air cylinders 8 on two sides of the side plate 7 are driven to work, the piston rods 9 gradually approach to the side surfaces of the core fixing plate 6, the fixing blocks 10 on the piston rods 9 enter the through holes 11 on the side surfaces of the core fixing plate 6, finally the fixing is completed by penetrating the through holes 11 and inserting the insertion holes 14 on the positioning grooves 13, so that the movable mold 2 and the fixed mold 1 are firmly attached together, the mold is not easy to shake in the injection molding process, the injection molding process is more stable, and the core fixing plate, thereby greatly improving the precision of the die when the die is closed and leading the formed product to be more precise.

Owing to be provided with on the fixed block 10 periphery wall and seted up spacing groove 16, be provided with stopper 15 on the 14 internal perisporium of jack, after fixed block 10 inserts jack 14, through spacing groove 16 to stopper 15 spacing for fixed block 10 is difficult for taking place to rock, thereby makes fixed block 10 fixed more stable in jack 14, and then makes cover half 1 and movable mould 2 be difficult for rocking after closely laminating, has further improved the quality of product.

Because be provided with a plurality of sliders 19 on the piston rod 9 periphery wall, seted up a plurality of spouts 18 on the sleeve pipe 17 internal perisporium, through spout 18 to slider 19 spacing for the slip of piston rod 9 in sleeve pipe 17 is more stable, and difficult the emergence is rocked, and through the support effect that sleeve pipe 17 played piston rod 9, make fixed block 10 on the piston rod 9 can follow accurate insertion jack 14, thereby improved fixed effect.

Owing to be provided with buffer gear, for cover half 1 and movable mould 2 provide buffering effect, at mould compound die in-process, core fixed plate 6 can draw close die cavity fixed plate 4 gradually, die cavity fixed plate 4 can contact with buffer plate 24, continue to draw close afterwards, buffer plate 24 drives the shrink of elastic component 23, thereby produce the cushion effect, the surface of final core fixed plate 6 and the surface contact of die cavity fixed plate 4, alleviate the effort that produces because of the collision when the compound die greatly, the wearing and tearing of mould have been reduced, the service life of mould has been promoted.

Because the arc surface 21 is arranged on the plug 20, even if a small deviation exists in the process that the positioning pin 12 is inserted into the positioning groove 13, the positioning pin 12 can slide into the positioning groove 13 through the arc surface 21 on the plug 20, so that the positioning is more accurate.

Because the fixed block 10 is made of hard alloy, the hard alloy has extremely high hardness and wear resistance, so that the fixed block 10 is not easy to wear, and the service life of the fixed block 10 is prolonged.

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 plastic lampshade mould, includes cover half (1) and movable mould (2), cover half (1) includes punch holder board (3) and die cavity fixed plate (4), movable mould (2) include lower die holder board (5) and core fixed plate (6), its characterized in that: go up die holder board (3) both sides and all be provided with curb plate (7), be provided with fixed establishment on curb plate (7), fixed establishment includes cylinder (8) of fixed connection on curb plate (7) outer wall, the one end that piston rod (9) of cylinder (8) stretched out curb plate (7) is provided with fixed block (10), lower die holder board (5) both sides are all offered and are used for fixed block (10) male through-hole (11), cavity fixed plate (4) are provided with locating pin (12) on the one side towards core fixed plate (6), core fixed plate (6) are offered on the one side towards cavity fixed plate (4) and are used for locating pin (12) male constant head tank (13), offer on locating pin (12) and are used for fixed block (10) male jack (14).

2. The plastic lampshade mould as defined in claim 1, characterized in that: be provided with a plurality of stopper (15) on the internal perisporium of jack (14), set up a plurality of stopper (15) male spacing grooves (16) that are used for on fixed block (10) the periphery wall.

3. The plastic lampshade mould as defined in claim 1, characterized in that: the improved piston rod is characterized in that a sleeve (17) is arranged on the side plate (7), a plurality of sliding grooves (18) are formed in the inner peripheral wall of the sleeve (17), and a plurality of sliding blocks (19) used for being clamped into the sliding grooves (18) are arranged on the outer peripheral wall of the piston rod (9).

4. The plastic lampshade mould as defined in claim 1, characterized in that: be provided with a plurality of buffer gear on lower mould bedplate (5), buffer gear includes buffer column (22) of a plurality of fixed connection on lower mould bedplate (5), the one end that lower mould bedplate (5) were kept away from in buffer column (22) is provided with elastic component (23), the one end that buffer column (22) were kept away from in elastic component (23) is provided with buffer board (24).

5. The plastic lampshade mould as defined in claim 1, characterized in that: a plug (20) is arranged on one surface, away from the cavity fixing plate (4), of the positioning pin (12), and an arc surface (21) is formed in the plug (20).

6. The plastic lampshade mould as defined in claim 1, characterized in that: the fixing block (10) is made of hard alloy.