CN215882382U

CN215882382U - Injection molding mold for lightweight plastic products

Info

Publication number: CN215882382U
Application number: CN202121259313.0U
Authority: CN
Inventors: 郑大根; 李光恩
Original assignee: Nanjing Xinxing Delta Technology Co ltd
Current assignee: Nanjing Xinxing Delta Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-02-22
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to the technical field of injection molds and discloses an injection molding mold for lightweight plastic products, which comprises an upper mold and a lower mold, wherein two sides of the upper mold are fixedly connected with supporting plates, the bottoms of the two supporting plates are fixedly connected with a base together, the upper end of the base is provided with a movable groove, a movable seat is connected in the movable groove in a sliding manner, a threaded hole is formed in the movable seat, the opposite groove walls of the movable groove are rotatably connected with a first screw rod together through two first bearings, the movable seat is in threaded connection with the first screw rod, one side of the base is provided with a motor, the output end of the motor is connected with one end of the first screw rod, and the upper end of the movable seat is fixedly connected with a U-shaped fixed frame. The plastic product molded in the lower die can be automatically and quickly taken out, so that the plastic product can be quickly injected to the lower die again, and the production efficiency of the plastic product is improved.

Description

Injection molding mold for lightweight plastic products

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection molding mold for lightweight plastic products.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products and capability of forming workpieces with complex shapes. The lightweight plastic products are formed by injection molding, and the injection molding mold is a tool for producing the lightweight plastic products. Current injection moulding mould comprises upper die and bed die, but current injection moulding mould can not take out the fashioned plastic products in the bed die automatically fast, is unfavorable for moulding plastics to the mould once more down fast, leads to plastic products's production efficiency lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that in the prior art, an injection molding mold cannot automatically and quickly take out a plastic product molded in a lower mold, and is not beneficial to quickly injecting the plastic product to the lower mold again, and provides the injection molding mold for the light plastic product.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an injection molding mold for lightweight plastic products comprises an upper mold and a lower mold, wherein both sides of the upper mold are fixedly connected with supporting plates, the bottoms of the two supporting plates are fixedly connected with a base together, the upper end of the base is provided with a movable groove, a movable seat is connected in the movable groove in a sliding way, a threaded hole is arranged in the movable seat, the opposite groove walls of the movable grooves are connected with a first screw rod through two first bearings in a rotating way, the movable seat is connected with the first screw rod in a threaded manner, one side of the base is provided with a motor, the output end of the motor is connected with one end of the first screw rod, the upper end of the movable seat is fixedly connected with a U-shaped fixed frame which is fixedly connected with the bottom of the lower die, the ejection mechanism is all installed to the four corners department of lower mould bottom, the intercommunication of upper die upper end has the pipe of moulding plastics, the symmetry fixedly connected with rack in base upper end.

Preferably, the ejection mechanism comprises an ejection cylinder, a second screw, a gear, an internal thread pipe, an ejection block, two limiting grooves and two limiting blocks, the upper end of the ejection cylinder is communicated with the bottom of the lower die, the second screw is rotatably connected with the bottom of the ejection cylinder through a second bearing, the gear is fixedly sleeved on the rod wall of the second screw, the gear is meshed with a rack, the internal thread pipe is in threaded connection outside the second screw, the upper end of the internal thread pipe is fixedly connected with the ejection block, the ejection block is in sliding connection in the ejection cylinder, the limiting grooves are symmetrically arranged on the inner cylinder wall of the ejection cylinder, the limiting blocks are in sliding connection in the limiting grooves, and two opposite ends of the limiting blocks penetrate through corresponding limiting groove openings and extend into the ejection cylinder and are fixedly connected to the outer pipe wall of the internal thread pipe.

Preferably, the fixing frame, the base and the supporting plate are all made of stainless steel materials.

Preferably, reinforcing ribs are symmetrically and fixedly connected between the fixing frame and the lower die.

Preferably, a cooling jacket is fixedly sleeved outside the lower die, and the cooling jacket is communicated with a cooling water inlet pipe and a cooling water outlet pipe.

Preferably, both sides of the base are fixedly connected with side plates, and a plurality of mounting holes are formed in the side plates.

Compared with the prior art, the utility model provides an injection molding mold for lightweight plastic products, which has the following beneficial effects:

this injection moulding mould of lightweight plastic products, through setting up the mould, the bed die, the backup pad, a pedestal, the activity groove, the sliding seat, first screw rod, including a motor, an end cap, a controller, and a cover plate, the mount, mould plastics pipe and rack, wait injection moulding after, starter motor, make bed die and last mould separation, gear and rack toothing, and the bed die continues to move, it is automatic ejecting to make the ejector block plastic products in with the bed die, can be automatic quick take out fashioned plastic products in the bed die, do benefit to quick mould plastics to the mould once more down, plastic products's production efficiency has been improved, and the motor drives first screw rod reversal, make the bed die rebound to go up under the mould, can mould plastics once more again.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the plastic product molded in the lower die can be automatically and quickly taken out, the plastic product can be quickly injected to the lower die again, and the production efficiency of the plastic product is improved.

Drawings

Fig. 1 is a schematic structural diagram of an injection molding mold for a lightweight plastic product according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises an upper die 1, a lower die 2, a supporting plate 3, a base 4, a movable groove 5, a movable seat 6, a first screw 7, a motor 8, a fixed frame 9, a material ejecting mechanism 10, a material ejecting barrel 101, a second screw 102, a gear 103, an internal threaded pipe 104, a material ejecting block 105, a limiting groove 106, a limiting block 107, an injection molding pipe 11, a rack 12, a reinforcing rib 13, a cooling jacket 14 and a side plate 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, an injection molding mold for lightweight plastic products comprises an upper mold 1 and a lower mold 2, wherein two sides of the upper mold 1 are fixedly connected with supporting plates 3, the bottoms of the two supporting plates 3 are fixedly connected with a base 4 together, the upper end of the base 4 is provided with a movable groove 5, the movable groove 5 is connected with a movable seat 6 in a sliding manner, a threaded hole is arranged in the movable seat 6, the opposite groove walls of the movable groove 5 are rotatably connected with a first screw 7 together through two first bearings, the movable seat 6 is connected with the first screw 7 in a threaded manner, one side of the base 4 is provided with a motor 8, the output end of the motor 8 is connected with one end of the first screw 7, the upper end of the movable seat 6 is fixedly connected with a U-shaped fixed frame 9, the fixed frame 9 is fixedly connected with the bottom of the lower mold 2, four corners of the bottom of the lower mold 2 are provided with material ejecting mechanisms 10, the upper end of the upper mold 1 is communicated with an injection molding pipe 11, the upper end of the base 4 is symmetrically and fixedly connected with a rack 12.

The material ejecting mechanism 10 comprises a material ejecting barrel 101, a second screw 102, a gear 103, an internal thread pipe 104, an ejecting block 105, two limiting grooves 106 and two limiting blocks 107, the upper end of the material ejecting barrel 101 is communicated with the bottom of the lower die 2, the second screw 102 is rotatably connected with the barrel bottom of the material ejecting barrel 101 through a second bearing, the gear 103 is fixedly sleeved on the rod wall of the second screw 102, the gear 103 is meshed with the rack 12, the internal thread pipe 104 is in threaded connection outside the second screw 102, the upper end of the internal thread pipe 104 is fixedly connected with the ejecting block 105, the ejecting block 105 is in sliding connection with the material ejecting barrel 101, the two limiting grooves 106 are symmetrically arranged on the inner barrel wall of the material ejecting barrel 101, the limiting blocks 107 are in sliding connection with the limiting grooves 106, one opposite ends of the two limiting blocks 107 penetrate through the corresponding limiting grooves 106 and extend into the material ejecting barrel 101 and are fixedly connected to the outer barrel wall of the internal thread pipe 104 together, after injection molding, the motor 8 is started, drive first screw rod 7 corotation, make sliding seat 6 move in movable groove 5, drive mount 9 and bed die 2 and remove, bed die 2 and last mould 1 separation back, gear 103 and rack 12 meshing, and bed die 2 continues to move, make gear 103 and second screw 102 rotate, and then drive internal thread pipe 104 upward movement, make ejector block 105 with the automatic ejecting of plastic products in bed die 2, can be automatic quick take out the plastic products of shaping in bed die 2, do benefit to mould plastics 2 once more fast, the production efficiency of plastic products is improved, and motor 8 drives first screw rod 7 reversal, make bed die 2 move to mould plastics 1 under again, can mould plastics once more again.

Mount 9, base 4 and backup pad 3 are made by stainless steel material, prevent that mount 9, base 4 and backup pad 3 from rustting, and influence this injection moulding mould's life.

Reinforcing ribs 13 are symmetrically and fixedly connected between the fixing frame 9 and the lower die 2, so that the connecting strength of the fixing frame 9 and the lower die 2 is increased.

The outer fixed cover of having cup jointed of lower mould 2 has cooling jacket 14, and the intercommunication has cooling water to advance pipe and cooling water exit tube on cooling jacket 14, can pour into cooling water into cooling jacket 14 for the fashioned speed of plastic products cooling.

The equal fixedly connected with curb plate 15 in both sides of base 4 is equipped with a plurality of mounting hole on the curb plate 15 for 15 accessible bolts of curb plate and nut installation are fixed.

In the utility model, after injection molding is carried out on the lower mold 2 through the injection pipe 11, after the injection molding is carried out, the motor 8 is started to drive the first screw 7 to rotate forwards, so that the movable seat 6 moves in the movable groove 5 to drive the fixed frame 9 and the lower mold 2 to move, after the lower mold 2 is separated from the upper mold 1, the gear 103 is meshed with the rack 12, the lower mold 2 continues to move, the gear 103 and the second screw 102 rotate to further drive the internal thread pipe 104 to move upwards, so that the ejector block 105 can automatically eject out the plastic product in the lower mold 2, the plastic product molded in the lower mold 2 can be automatically and quickly taken out, the quick injection molding to the lower mold 2 is facilitated, the production efficiency of the plastic product is improved, and the motor 8 drives the first screw 7 to rotate backwards, so that the lower mold 2 moves to be under the upper mold 1 again, and the plastic product can be injected again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The injection molding mold for the lightweight plastic product comprises an upper mold (1) and a lower mold (2), and is characterized in that two supporting plates (3) are fixedly connected to the two sides of the upper mold (1), two supporting plates (3) are fixedly connected to a base (4) together at the bottom, a movable groove (5) is formed in the upper end of the base (4), a movable seat (6) is connected to the movable groove (5) in a sliding manner, a threaded hole is formed in the movable seat (6), a first screw rod (7) is rotationally connected to the opposite groove walls of the movable groove (5) together through two first bearings, the movable seat (6) is in threaded connection with the first screw rod (7), a motor (8) is installed on one side of the base (4), the output end of the motor (8) is connected with one end of the first screw rod (7), and a U-shaped fixing frame (9) is fixedly connected to the upper end of the movable seat (6), the fixed frame (9) is fixedly connected to the bottom of the lower die (2), the material ejecting mechanisms (10) are installed at four corners of the bottom of the lower die (2), the upper end of the upper die (1) is communicated with an injection molding pipe (11), and the upper end of the base (4) is symmetrically and fixedly connected with racks (12).

2. The injection molding mold for the lightweight plastic product as claimed in claim 1, wherein the ejector mechanism (10) comprises an ejector barrel (101), a second screw (102), a gear (103), an internally threaded tube (104), an ejector block (105), two limiting grooves (106) and two limiting blocks (107), the upper end of the ejector barrel (101) is communicated with the bottom of the lower mold (2), the second screw (102) is rotatably connected with the bottom of the ejector barrel (101) through a second bearing, the gear (103) is fixedly sleeved on the wall of the second screw (102), the gear (103) is engaged with the rack (12), the internally threaded tube (104) is in threaded connection with the outside of the second screw (102), the upper end of the internally threaded tube (104) is fixedly connected with the ejector block (105), and the ejector block (105) is slidably connected in the ejector barrel (101), two spacing groove (106) symmetry is seted up on a material ejection barrel (101) inner tube wall, stopper (107) sliding connection is in spacing groove (106), two stopper (107) one end in opposite directions passes corresponding spacing groove (106) notch and extends to a material ejection barrel (101) in, and common fixed connection is on internal thread pipe (104) outer pipe wall.

3. An injection mold for a lightweight plastic product as claimed in claim 1, wherein the fixing frame (9), the base (4) and the supporting plate (3) are made of stainless steel material.

4. An injection molding mold for a lightweight plastic product according to claim 1, wherein reinforcing ribs (13) are symmetrically and fixedly connected between the fixing frame (9) and the lower mold (2).

5. The injection molding mold for the lightweight plastic product as claimed in claim 1, wherein a cooling jacket (14) is fixedly sleeved outside the lower mold (2), and the cooling jacket (14) is communicated with a cooling water inlet pipe and a cooling water outlet pipe.

6. An injection mold for a lightweight plastic product as claimed in claim 1, wherein side plates (15) are fixedly connected to both sides of the base (4), and a plurality of mounting holes are formed on the side plates (15).