CN217073225U

CN217073225U - Injection mold for rapid molding of plastic parts

Info

Publication number: CN217073225U
Application number: CN202123387068.4U
Authority: CN
Inventors: 周勇军
Original assignee: Dongguan Chuanglihui Electronic Technology Co ltd
Current assignee: Dongguan Sanke Electronic Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-29
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an injection mold for rapid molding of plastic parts, which comprises a connecting box body, a processing table and a fixed support, wherein the top of the connecting box body is fixedly connected with the processing table, the two sides of the top of the processing table are fixedly connected with the fixed support, and the outer wall of the fixed support is provided with a hydraulic cylinder; further comprising: the lifter plate, the bolt fastening in the tip of hydraulic cylinder, and the bottom fixedly connected with of lifter plate goes up the mould, the tip both sides of hydraulic cylinder are provided with the pipe of moulding plastics, and the avris fixed mounting who moulds plastics the pipe has the hydraulic stem, the tip fixedly connected with connecting seat of hydraulic stem. This plastic part rapid prototyping's injection mold utilizes tubular metal resonator and the connecting branch pipe that sets up in the bed die, and connecting branch pipe and tubular metal resonator are linked together, and connecting branch pipe is provided with a plurality ofly, is convenient for let the cooling water enter into the tubular metal resonator through the inlet tube and in the connecting branch pipe, come to cool off the bed die, accelerate the cooling shaping speed of plastic part.

Description

Injection mold for rapid molding of plastic parts

Technical Field

The utility model relates to a plastic part technical field specifically is a plastic part rapid prototyping's injection mold.

Background

The plastic part is an accessory made of plastic serving as a raw material, the appearance of the plastic part can be customized into various shapes according to requirements, and an injection mold can be used in the process of processing the plastic part to improve the processing efficiency.

At present, the traditional injection mold still has certain not enough in rapid cooling, and to the plastic part production process, the fashioned speed of plastic part cooling can exert an influence to the production efficiency of plastic part, when plastic part cooling shaping speed was slower, and then has reduced injection mold's practicality.

Aiming at the existing problems, innovation is urgently needed on the basis of the original injection mold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic part rapid prototyping's injection mold to solve and still have certain not enough on rapid cooling who proposes in the above-mentioned background art, to the plastic part production process, plastic part cooling forming's speed can produce the influence to the production efficiency of plastic part, when plastic part cooling forming speed is slower, and then has reduced injection mold's practicality.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold for rapid molding of plastic parts comprises a connecting box body, a processing table and a fixed support, wherein the top of the connecting box body is fixedly connected with the processing table, the two sides of the top of the processing table are fixedly connected with the fixed support, and the outer wall of the fixed support is provided with a hydraulic cylinder;

further comprising:

the lifting plate is fixed at the end part of the hydraulic cylinder through bolts, the bottom of the lifting plate is fixedly connected with an upper die, injection molding pipes are arranged on two sides of the end part of the hydraulic cylinder, a hydraulic rod is fixedly mounted on the side of each injection molding pipe, the end part of each hydraulic rod is fixedly connected with a connecting seat, and a cutting blade is fixed at the bottom of each connecting seat;

the lower die is fixedly arranged on the outer wall of the processing table, a water inlet pipe is arranged on the left side of the lower die, a metal pipe is connected to the end of the water inlet pipe, a connecting branch pipe is arranged on the inner side of the metal pipe, and a water outlet pipe is communicated with the right side of the metal pipe;

and the ejection block is movably arranged in the lower die, and the internal thread of the ejection block is connected with a rotating rod.

Preferably, cutting blade passes through connecting seat and hydraulic stem and last mould constitution elevation structure, and cutting blade face upward and see to be "mouthful" word column structure setting, utilizes the motion of hydraulic stem, and the hydraulic stem drives connecting seat and cutting blade and moves on last mould, and cutting blade face upward and see to be a mouthful word column setting, comes to carry out automatic excision to the deckle edge that the plastic part spilled over, lets later stage plastic part maintain more facility.

Preferably, the connecting branch pipe is the equidistance setting about the outer wall of tubular metal resonator, and communicates each other between connecting branch pipe and the tubular metal resonator to the inlet tube is linked together through tubular metal resonator and outlet pipe, utilizes tubular metal resonator and the connecting branch pipe that sets up in the bed die, and connecting branch pipe and tubular metal resonator are linked together, and connecting branch pipe is provided with a plurality ofly, is convenient for let the cooling water enter into the tubular metal resonator through the inlet tube and in the connecting branch pipe, comes to cool off the bed die, accelerates the cooling shaping speed of plastic part.

Preferably, the ejecting block forms a lifting structure through the rotating rod and the lower die, the front view appearance of the ejecting block is in a T-shaped structure, the ejecting block is nested in the lower die, the rotating rod is rotated, the rotating rod and the ejecting block are in threaded connection, the ejecting block is driven to slide in the lower die, and the ejection of the plastic part formed in the lower die is automatically performed by the lifting of the ejecting block, so that the demoulding of the plastic part is more convenient.

Preferably, the end part of the rotating rod is fixedly connected with a driven gear, the side of the driven gear is meshed with a driving gear, and the rotating rod is connected with the driven gear in a welding mode.

Preferably, drive gear's diameter is greater than driven gear's diameter, and driven gear and dwang all set up about the axis symmetry of processing platform, utilize drive gear's rotation, and drive gear and driven gear link to each other, drive the driven gear rotation of both sides, and driven gear and dwang are welded connection, and then drive the dwang simultaneous movement of both sides.

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

1. the injection mold for quickly forming the plastic part is provided with the cutting blade, the hydraulic rod drives the connecting seat and the cutting blade to move on the upper mold by utilizing the movement of the hydraulic rod, and the upward view of the cutting blade is arranged in a shape like a Chinese character 'kou', so that burrs overflowing from the plastic part are automatically cut off, and the plastic part can be more conveniently trimmed in the later period;

2. the injection mold for quickly forming the plastic part is provided with the metal pipe, the metal pipe and the connecting branch pipes are arranged in the lower mold, the connecting branch pipes are communicated with the metal pipe, and the connecting branch pipes are provided with a plurality of parts, so that cooling water can conveniently enter the metal pipe and the connecting branch pipes through the water inlet pipe to cool the lower mold, and the cooling forming speed of the plastic part is accelerated;

3. this plastic part rapid prototyping's injection mold is provided with ejecting piece, utilizes the rotation of dwang, and dwang and ejecting piece are threaded connection, drive ejecting piece and slide in the bed die, utilize the lift of ejecting piece, come to carry out automatic ejecting to the fashioned plastic part of bed die internal cooling, let the more facility of the drawing of patterns of plastic part.

Drawings

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

FIG. 2 is a schematic view of a connection structure between a lower mold and a metal tube in a top view;

FIG. 3 is a schematic view of the connecting structure between the upper mold and the cutting blade in a bottom view;

FIG. 4 is a schematic view of the inner connection structure between the processing table and the lower mold of the present invention;

fig. 5 is a schematic diagram of the internal structure of the upper mold of the present invention.

In the figure: 1. connecting the box body; 2. a processing table; 3. fixing a bracket; 4. a hydraulic cylinder; 5. a lifting plate; 6. an upper die; 7. injection molding a tube; 8. a hydraulic lever; 9. a connecting seat; 10. a cutting blade; 11. a lower die; 12. a water inlet pipe; 13. a metal tube; 14. connecting branch pipes; 15. a water outlet pipe; 16. ejecting a block; 17. rotating the rod; 18. a driven gear; 19. the gears are driven.

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. 1-5, the present invention provides a technical solution: an injection mold for rapid molding of plastic parts is characterized in that a connecting box body 1, a processing table 2 and a fixed support 3 are connected, the top of the connecting box body 1 is fixedly connected with the processing table 2, two sides of the top of the processing table 2 are fixedly connected with the fixed support 3, and the outer wall of the fixed support 3 is provided with a hydraulic cylinder 4; further comprising: the lifting plate 5 is fixed at the end part of the hydraulic cylinder 4 through bolts, the bottom of the lifting plate 5 is fixedly connected with an upper die 6, injection molding pipes 7 are arranged on two sides of the end part of the hydraulic cylinder 4, hydraulic rods 8 are fixedly installed on the lateral sides of the injection molding pipes 7, the end part of each hydraulic rod 8 is fixedly connected with a connecting seat 9, and a cutting blade 10 is fixed at the bottom of the connecting seat 9; the cutting blade 10 forms a lifting structure with the upper die 6 through the connecting seat 9 and the hydraulic rod 8, the upward view of the cutting blade 10 is arranged in a structure like a Chinese character 'kou', the hydraulic rod 8 drives the connecting seat 9 and the cutting blade 10 to move on the upper die 6 by utilizing the movement of the hydraulic rod 8, and the upward view of the cutting blade 10 is arranged like a Chinese character 'kou', so that burrs overflowing from a plastic part are automatically cut off, and the later plastic part is more convenient to trim;

the lower die 11 is fixedly arranged on the outer wall of the processing table 2, a water inlet pipe 12 is arranged on the left side of the lower die 11, a metal pipe 13 is connected to the end part of the water inlet pipe 12, a connecting branch pipe 14 is arranged on the inner side of the metal pipe 13, and a water outlet pipe 15 is communicated with the right side of the metal pipe 13; the connecting branch pipes 14 are equidistantly arranged relative to the outer wall of the metal pipe 13, the connecting branch pipes 14 are communicated with the metal pipe 13, the water inlet pipe 12 is communicated with the water outlet pipe 15 through the metal pipe 13, the metal pipe 13 and the connecting branch pipes 14 arranged in the lower die 11 are utilized, the connecting branch pipes 14 are communicated with the metal pipe 13, and the connecting branch pipes 14 are provided in plurality, so that cooling water can conveniently enter the metal pipe 13 and the connecting branch pipes 14 through the water inlet pipe 12 and flow out of the water outlet pipe 15 to cool the lower die 11, and the cooling forming speed of the plastic part is accelerated;

the ejection block 16 is movably arranged in the lower die 11, and the internal thread of the ejection block 16 is connected with a rotating rod 17; the ejection block 16 and the lower die 11 form a lifting structure through a rotating rod 17, the front view appearance of the ejection block 16 is arranged in a T-shaped structure, and the ejection block 16 is nested in the lower die 11; a driven gear 18 is fixedly connected to the end of the rotating rod 17, a driving gear 19 is meshed and connected to the side of the driven gear 18, and the rotating rod 17 is connected with the driven gear 18 in a welding mode; the diameter of drive gear 19 is greater than driven gear 18's diameter, and driven gear 18 and dwang 17 all set up about the axis symmetry of processing platform 2, utilize drive gear 19's rotation, drive gear 19 and driven gear 18 link to each other, the driven gear 18 who drives both sides rotates, driven gear 18 and dwang 17 are welded connection, and then drive the dwang 17 simultaneous movement of both sides, dwang 17 and ejecting piece 16 are threaded connection, it slides in bed die 11 to drive ejecting piece 16, utilize ejecting 16's lift, come to carry out automatic ejecting to the fashioned plastic part in the bed die 11 internal cooling, it is more convenient to let the drawing of patterns of plastic part.

The working principle is as follows: when the injection mold for quickly molding the plastic part is used, according to the figures 1-5, firstly, the hydraulic cylinder 4 on the fixed support 3 is controlled to move, the hydraulic cylinder 4 drives the lifting plate 5 and the upper mold 6 to move, the upper mold 6 and the lower mold 11 are attached, the injection pipe 7 is used for feeding raw materials into the upper mold 6 and the lower mold 11, the metal pipe 13 and the connecting branch pipe 14 which are arranged in the lower mold 11 are used, the connecting branch pipe 14 is communicated with the metal pipe 13, the connecting branch pipes 14 are provided with a plurality of connecting branch pipes 14, cooling water can conveniently enter the metal pipe 13 and the connecting branch pipe 14 through the water inlet pipe 12 and flow out from the water outlet pipe 15 to cool the lower mold 11, so as to accelerate the cooling molding speed of the plastic part, and control the hydraulic cylinder 4 to drive the lower mold 11 and the upper mold 6 to separate, when burrs occur on the plastic part, the hydraulic rod 8 is controlled to move, the connecting seat 9 and the cutting blade 10 are driven by the hydraulic rod 8 to move on the upper mold 6, the cutting blade 10 is arranged in a square shape in the upward view, so that burrs overflowing from the plastic part can be automatically cut off;

subsequently, a driving motor in the control processing table 2 drives a driving gear 19 to rotate, the driving gear 19 is connected with a driven gear 18 to drive the driven gears 18 on the two sides to rotate, the driven gear 18 and the rotating rod 17 are connected in a welding mode, further, the rotating rod 17 on the two sides is driven to move simultaneously, the rotating rod 17 and the ejection block 16 are connected in a threaded mode, the ejection block 16 is driven to slide in the lower die 11, the ejection block 16 is lifted up and down to automatically eject the plastic part formed in the lower die 11, and demolding of the plastic part is facilitated.

Those not described in detail in this specification are within the skill of the art.

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. An injection mold for rapid molding of plastic parts comprises a connecting box body (1), a processing table (2) and a fixed support (3), wherein the top of the connecting box body (1) is fixedly connected with the processing table (2), two sides of the top of the processing table (2) are fixedly connected with the fixed support (3), and the outer wall of the fixed support (3) is provided with a hydraulic cylinder (4);

it is characterized by also comprising:

the lifting plate (5) is fixed at the end of the hydraulic cylinder (4) through bolts, the bottom of the lifting plate (5) is fixedly connected with an upper die (6), injection pipes (7) are arranged on two sides of the end of the hydraulic cylinder (4), hydraulic rods (8) are fixedly mounted on the lateral sides of the injection pipes (7), a connecting seat (9) is fixedly connected at the end of each hydraulic rod (8), and a cutting blade (10) is fixed at the bottom of the connecting seat (9);

the lower die (11) is fixedly arranged on the outer wall of the processing table (2), a water inlet pipe (12) is arranged on the left side of the lower die (11), a metal pipe (13) is connected to the end part of the water inlet pipe (12), a connecting branch pipe (14) is arranged on the inner side of the metal pipe (13), and a water outlet pipe (15) is communicated with the right side of the metal pipe (13);

the ejection block (16) is movably arranged in the lower die (11), and the inner thread of the ejection block (16) is connected with a rotating rod (17).

2. The injection mold for rapid prototyping plastic parts as set forth in claim 1, wherein: cutting blade (10) constitute elevation structure through connecting seat (9) and hydraulic stem (8) and last mould (6), and cutting blade (10) look up be "mouth" column structure setting.

3. The injection mold for rapid prototyping plastic parts as set forth in claim 1, wherein: the connecting branch pipes (14) are arranged at equal intervals relative to the outer wall of the metal pipe (13), the connecting branch pipes (14) are communicated with the metal pipe (13), and the water inlet pipe (12) is communicated with the water outlet pipe (15) through the metal pipe (13).

4. The injection mold for rapid prototyping plastic parts as set forth in claim 1, wherein: the ejection block (16) and the lower die (11) form a lifting structure through the rotating rod (17), the front view appearance of the ejection block (16) is arranged in a T-shaped structure, and the ejection block (16) is nested in the lower die (11).

5. The injection mold for rapid prototyping plastic parts as set forth in claim 1, wherein: the tip fixedly connected with driven gear (18) of dwang (17), and the avris meshing of driven gear (18) is connected with drive gear (19) to be welded connection between dwang (17) and driven gear (18).

6. The injection mold for rapid prototyping plastic parts as set forth in claim 5, wherein: the diameter of the driving gear (19) is larger than that of the driven gear (18), and the driven gear (18) and the rotating rod (17) are symmetrically arranged relative to the central axis of the processing table (2).