CN218749016U

CN218749016U - Plastic product injection mold convenient to drawing of patterns

Info

Publication number: CN218749016U
Application number: CN202222193407.3U
Authority: CN
Inventors: 刘振书
Original assignee: Suzhou Pulesheng Precision Technology Co ltd
Current assignee: Suzhou Pulesheng Precision Technology Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-03-28
Anticipated expiration: 2032-08-19

Abstract

The utility model relates to a plastic technical field's a plastic product injection mold convenient to drawing of patterns, include last mould and lower mould through fixed subassembly connection, it is equipped with a tray to mould plastics to insert jointly between mouthful A and the bottom of the mouthful B of moulding plastics, the tray is close to the one end fixed mounting who moulds plastics mouthful A has two sliders, mould plastics mouthful A's inner wall one side seted up two slides with slider sliding connection, one of them the thread groove with lead screw threaded connection is seted up to the top mouth of slider, another the spout of slip at the litter surface is seted up to the top mouth of slider. Through setting up the mouth A and the mouth B of moulding plastics between mould and the lower mould of moulding plastics, can make mould liquid pour into and form the mould between mould and the lower mould, then under the lead screw driven condition, let the tray rebound, release the mould after the cold forming, set up and be used for the gliding litter of tray, can make the tray stably rise, ejecting the mould fast, the device's setting is convenient for the drawing of patterns, improves drawing of patterns efficiency.

Description

Plastic product injection mold convenient to drawing of patterns

Technical Field

The utility model relates to a plastic technical field especially relates to a plastic product injection mold convenient to drawing of patterns.

Background

The plastic material is a solid material which is prepared by using a polymer as a basic component, adding an additive, and processing, molding or crosslinking, curing and molding at a certain temperature and under a certain pressure. Most polymers are widely used as insulating materials because of their good insulating properties. Plastics are classified into thermoplastic and thermosetting types according to their thermal behavior.

The existing plastic product needs to be subjected to the processes of hot melting, injection molding and cooling in the production process to form the product, but the existing plastic product injection mold is small in size, the demolding mode for a large mold is utilized to waste resources at the small mold, but the common mode is inconvenient for rapid demolding, and therefore the plastic product injection mold convenient for demolding is provided.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a plastic product injection mold convenient to drawing of patterns has the effect that improves drawing of patterns work efficiency.

The technical scheme of the utility model is that:

the utility model provides a plastic product injection mold convenient to drawing of patterns, includes last mould and lower mould through fixed subassembly connection, the mouth A of moulding plastics has been seted up on the top of last mould, the top of lower mould is seted up and is moulded plastics mouthful B with moulding plastics mouthful A relatively, the bottom surface of going up mould and lower mould is equipped with the base, the inner wall bottom surface fixed mounting of base has step motor, step motor's the vertical upwards inserting of output is equipped with the lead screw, one side fixed mounting that the lead screw was kept away from to the top surface of base has the litter, it is equipped with a tray to insert jointly between mouthful A of moulding plastics and the bottom of mouthful B of moulding plastics, the tray is close to the one end fixed mounting who moulds plastics mouthful A has two sliders, mould plastics mouthful A's inner wall one side set up two and slider sliding connection's slide, one of them the thread groove with lead screw threaded connection is seted up to the fore-hole of slider, another the spout of slip at the litter surface is seted up to the fore-hole of slider.

In a further technical scheme, a plurality of cooling holes are formed in the top ends of the upper die and the lower die, metal hoses with bottoms fixed on the inner wall of the base are inserted into the cooling holes, cooling liquid is arranged inside the metal hoses, and the metal hoses wrap the back faces of the injection molding opening A and the injection molding opening B.

In a further technical scheme, the fixing assembly comprises a threaded hole formed in one side face of the upper die, a fixing groove communicated with the threaded hole is formed in one side face, facing the upper die, of the lower die, and a bolt sequentially in threaded connection with the threaded hole and the fixing groove is inserted into the outer surface of the upper die.

In a further technical scheme, heat dissipation grooves are formed in the opposite surfaces of the upper die and the lower die, and heat dissipation fans with outward air suction openings are inserted into the heat dissipation grooves.

In a further technical scheme, the heat conducting fins are tightly attached to one side of the inner wall of the heat radiating groove and the inner walls of the injection molding opening A and the injection molding opening B, and the heat conducting fins are made of copper.

The utility model has the advantages that:

1. the injection port A and the injection port B between the upper die and the lower die are arranged, so that the die liquid can be poured between the upper die and the lower die to form a die, then the tray is moved upwards under the driving condition of the screw rod to push out the cold-formed die, and a sliding rod for sliding the tray is arranged, so that the tray can stably rise to quickly push out the die;

2. through setting up the inside metal collapsible tube of cooling hole, set up the position for the parcel with metal collapsible tube simultaneously and mould plastics mouthful A and mould plastics mouthful B department, can press close to mould liquid department with last mould and lower mould fast and cool off, help rapid prototyping, supplementary drawing of patterns work raises the efficiency.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of an assembly structure of an embodiment of the present invention;

fig. 3 is a schematic rear view structure diagram of the embodiment of the present invention.

Description of reference numerals:

1. an upper die; 2. a lower die; 3. an injection molding port A; 4. an injection molding port B; 5. a base; 6. a stepping motor; 7. a screw rod; 8. a tray; 9. a slide rod; 10. a slider; 11. a chute; 12. a thread groove; 13. a cooling hole; 14. a metal hose; 15. a slideway; 16. a heat sink; 17. a heat dissipation fan; 18. a threaded hole; 19. fixing grooves; 20. and (4) bolts.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-3, a plastic product injection mold convenient for demolding comprises an upper mold 1 and a lower mold 2 connected through a fixing assembly, wherein an injection port A3 is formed in the top end of the upper mold 1, an injection port B4 opposite to the injection port A3 is formed in the top end of the lower mold 2, a base 5 is arranged on the bottom surfaces of the upper mold 1 and the lower mold 2, a stepping motor 6 is fixedly mounted on the bottom surface of the inner wall of the base 5, a lead screw 7 is vertically and upwardly inserted from the output end of the stepping motor 6, a slide rod 9 is fixedly mounted on one side, away from the lead screw 7, of the top surface of the base 5, a tray 8 is jointly inserted between the bottom ends of the injection port A3 and the injection port B4, two slide blocks 10 are fixedly mounted at one end, close to the injection port A3, two slide ways 15 slidably connected with the slide blocks 10 are formed on one side of the inner wall of the injection port A3, a threaded groove 12 in threaded connection with the lead screw 7 is formed in the top port of one of the slide block 10, and a slide groove 11 sliding on the outer surface of the slide rod 9 is formed in the top port of the other slide block 10.

The working principle of the above technical scheme is as follows:

when the mould is used, the upper mould 1 and the lower mould 2 are combined by the fixing component, then mould liquid is poured into the mould from the opening of the injection port A3 and the injection port B4, the liquid is placed on the upper surface of the tray 8 in the cavity of the injection port A3 and the cavity of the injection port B4 until the mould liquid is cooled and formed, the liquid can enter the slide way 15 in the process and is integrally fixed with the mould, when the stepping motor 6 is driven, the screw rod 7 rotates, so that the mould liquid blocked in the threaded groove 12 is stirred up due to the rotation of the threads, then the threaded groove 12 is in a state of moving upwards due to the threads, the slide way 11 slides on the outer surface of the slide rod 9, the tray 8 is enabled to move upwards in the cavities of the injection port A3 and the injection port B4, further, the plastic blocks solidified in the injection port A3 and the injection port B4 are upwards ejected, the shape of two slide ways 15 grooves is increased after the ejected mould, and the mould can be cut off along the boundary of the slide way 15 and the injection port A3.

In another embodiment, as shown in fig. 1 and 2, a plurality of cooling holes 13 are formed at the top ends of the upper die 1 and the lower die 2, a metal hose 14 fixed at the bottom on the inner wall of the base 5 is inserted into the cooling holes 13, a cooling liquid is provided inside the metal hose 14, and the metal hose 14 wraps the back surfaces of the injection port A3 and the injection port B4.

Through setting up cooling hole 13, metal collapsible tube 14 and the inside coolant liquid of metal collapsible tube 14, can make the mould liquid between mouthful A3 and the mouth B4 of moulding plastics cool off the shaping fast, before upper die 1 and lower mould 2 merge, will go up mould 1 and lower mould 2 and overlap the surface at metal collapsible tube 14 from the bottom earlier, then mould plastics.

In another embodiment, as shown in fig. 2, the fixing assembly includes a threaded hole 18 formed in a side surface of the upper mold 1, a fixing groove 19 formed in a side surface of the lower mold 2 facing the upper mold 1 and communicating with the threaded hole 18, and a bolt 20 inserted into an outer surface of the upper mold 1 and sequentially threadedly coupled to the threaded hole 18 and the fixing groove 19.

The upper die 1 and the lower die 2 can be combined to be convenient to operate by arranging the bolts 20 which are connected by threads in the threaded holes 18.

In another embodiment, as shown in fig. 2 and 3, heat dissipation grooves 16 are formed in opposite sides of the upper mold 1 and the lower mold 2, and a heat dissipation fan 17 with an outward air suction opening is inserted into the heat dissipation grooves 16.

Through setting up heat dissipation fan 17, can assist metal collapsible tube 14 to use, be convenient for improve cooling efficiency.

In another embodiment, as shown in fig. 2 and 3, a heat conducting plate is closely attached to one side of the inner wall of the heat dissipating groove 16 and the inner walls of the injection port A3 and the injection port B4, and the heat conducting plate is made of copper.

The material through setting up 16 inner walls of radiating groove one side is copper, can effectively conduct heat, reduces the inside temperature of mouthful A3 and the mouthful B4 of moulding plastics.

The above embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a plastic product injection mold convenient to drawing of patterns, includes last mould (1) and lower mould (2) connected through fixed subassembly, its characterized in that: the utility model discloses an injection molding machine, including last mould (1), the top of going up mould (1) has seted up mouthful A (3) of moulding plastics, the top of lower mould (2) is seted up mouthful B (4) of moulding plastics relative with mouthful A (3) of moulding plastics, the bottom surface of going up mould (1) and lower mould (2) is equipped with base (5), the inner wall bottom surface fixed mounting of base (5) has step motor (6), the output of step motor (6) is vertical upwards to be inserted and is equipped with lead screw (7), one side fixed mounting that lead screw (7) were kept away from to the top surface of base (5) has litter (9), it has one tray (8) to insert jointly between mouthful A (3) of moulding plastics and the bottom of mouthful B (4), tray (8) are close to the one end fixed mounting who moulds plastics mouthful A (3) have two sliders (10), the inner wall one side of mouthful A (3) of moulding plastics is seted up two slides (15) with slider (10) sliding connection, one of them the top mouth of slider (10) is seted up thread groove (12) with lead screw (7) threaded connection, another the spout (11) of sliding at the surface (9) are seted up to the top mouth of slider (10).

2. The plastic product injection mold facilitating demolding as claimed in claim 1, wherein: go up the top of mould (1) and lower mould (2) and all seted up a plurality of cooling holes (13), the inside of cooling hole (13) is inserted and is equipped with metal collapsible tube (14) that the bottom was fixed at base (5) inner wall, the inside of metal collapsible tube (14) is equipped with the coolant liquid, and metal collapsible tube (14) parcel is moulding plastics mouthful A (3) and the looks back of moulding plastics mouthful B (4).

3. The plastic product injection mold facilitating demolding as claimed in claim 1, wherein: the fixing assembly comprises a threaded hole (18) formed in one side face of the upper die (1), a fixing groove (19) communicated with the threaded hole (18) is formed in one side face, facing the upper die (1), of the lower die (2), and a bolt (20) sequentially connected with the threaded hole (18) and the fixing groove (19) in a threaded mode is inserted into the outer surface of the upper die (1).

4. The plastic product injection mold facilitating demolding as claimed in claim 1, wherein: the heat dissipation device is characterized in that heat dissipation grooves (16) are formed in the back surfaces of the upper die (1) and the lower die (2), and heat dissipation fans (17) with outward air suction openings are inserted into the heat dissipation grooves (16).

5. The plastic product injection mold facilitating demolding as claimed in claim 4, wherein: and one side of the inner wall of the heat dissipation groove (16) is tightly attached to the inner walls of the injection molding port A (3) and the injection molding port B (4) and is provided with a heat conducting fin which is made of copper.