CN210283059U

CN210283059U - Plastic injection mold blank with water cooling function

Info

Publication number: CN210283059U
Application number: CN201920986328.3U
Authority: CN
Inventors: 涂毅; 陈浩
Original assignee: Dongguan Mingdi Metal Products Co Ltd
Current assignee: Dongguan Mingdi Metal Products Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-10
Anticipated expiration: 2029-06-28

Abstract

The utility model belongs to the technical field of injection mold processing technique and specifically relates to a plastic injection mold embryo with water-cooling, including upper die base, mounting bracket, base and die holder, the symmetry is provided with the transmission case on the both sides position above the upper die base, two install the stand on the top position of transmission case, install driven conical gear on the intermediate position inside the transmission case, rotate between driven conical gear and the transmission case and be connected, install the mounting bracket on the intermediate position above the base, install the die holder on the intermediate position inside the mounting bracket, it has serpentine coil to wind to cover in the die holder, install the stamping die on the intermediate position above the upper die base, the setting position of stamping die corresponds with the setting position of die holder; the utility model discloses in, through setting up upper die base, base and mounting bracket, increased the shaping efficiency and the shaping quality of device, increased the level of the device independently die sinking.

Description

Plastic injection mold blank with water cooling function

Technical Field

The utility model relates to an injection mold processing technology field specifically is a plastic injection mold embryo with water-cooling.

Background

The plastic injection mold blank is a mold frame, is a molding part outside a mold steel, is a frame on the outermost side of the mold, is used for positioning the mold, and also comprises a mold core connecting rod, a heating rod, a flow channel, a cooling device, an ejector pin and the like inside the mold.

The existing device is when using, and the not good problem that leads to the device to appear that shaping efficiency is low and forming quality is poor of radiating effect, appears the inconvenient problem of die sinking when carrying out the die sinking, appears simultaneously can't going on at the uniform velocity and the vertically when carrying out the die sinking and demolds and lead to the injection molding easily to appear damaging the problem, appears when using from the poor problem that leads to intensity of labour big of unloading ability, consequently, proposes a plastic mould embryo of moulding plastics with water-cooling to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic injection mold embryo with water-cooling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a plastic injection mold blank with water cooling comprises an upper mold base, a mounting frame, a base and a lower mold base, wherein transmission boxes are symmetrically arranged on two side positions above the upper mold base, two upright columns are arranged on the upper positions of the transmission boxes, driven bevel gears are arranged on intermediate positions inside the transmission boxes and are rotatably connected with the transmission boxes, the driven bevel gears are connected with threaded rods inside the upright columns, the threaded rods are longitudinally arranged on the intermediate positions inside the upright columns, positioning columns are sleeved on the outer sides of the threaded rods, transmission nuts are arranged at the lower ends of the positioning columns and are connected with the threaded rods in a meshed mode, the mounting frame is arranged on the intermediate positions above the base, the lower mold base is arranged on the intermediate positions inside the mounting frame, a serpentine coil is wrapped in the lower mold base, and the serpentine coil is hermetically connected with sealing joints on the mounting frame, the outer surface of the lower die base is provided with radiating fins, an upper die base is arranged right above the lower die base, an upper pressing die is mounted in the middle above the upper die base, and the setting position of the upper pressing die corresponds to the setting position of the lower die base.

Preferably, install initiative conical tooth wheel in the transmission case of driven conical tooth wheel left side below, the meshing is connected between initiative conical tooth wheel and the transmission case, two connect through the transmission shaft between the initiative conical tooth wheel, the transmission case outside is provided with the handle, the handle is connected with initiative conical tooth wheel.

Preferably, the two sides of the lower part of the upper pressing die are symmetrically provided with positioning sleeves, the arrangement positions of the two positioning sleeves correspond to the positions of the positioning columns, and the positioning columns are inserted into the positioning sleeves.

Preferably, a fan is installed on the installation frame outside the radiating fins, and the installation position of the fan corresponds to the installation position of the radiating fins.

Preferably, install the electric jar on the base of mounting bracket below, the electric jar passes through the piston rod and is connected with the mounting panel, evenly install the thimble on the upper surface of mounting panel, the die holder is passed to the upper end of thimble, and sliding connection between thimble and the die holder.

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

1. the utility model discloses in, through setting up radiating fin, serpentine coil, sealing joint and fan, add the coolant liquid to the sealing joint inside, the coolant liquid is full of serpentine coil, the coolant liquid inside serpentine coil realizes the cooling process to the die holder, meanwhile, radiating fin has increased the heat radiating area of device, the fan realizes the supplementary heat dissipation to radiating fin, the heat dissipation rate and the radiating effect of device have been increased from this, the shaping efficiency of device has been increased, the work efficiency of device has been increased, the plasticity quality of device has been increased simultaneously, the problem that the plasticity inefficiency appears when carrying out the plasticity of prior art is solved;

2. in the utility model, by arranging the positioning sleeve, the upright post, the positioning column, the transmission case, the driving bevel gear and the driven bevel gear, the vertical demoulding of the upper die base can be realized, the problem of inconvenient mould opening during mould opening is avoided, and the problem that the injection molding part is easy to damage due to the fact that the mould opening can not be performed at a constant speed and vertically during mould opening in the prior art is solved;

3. the utility model discloses in, through setting up the electric jar, mounting panel and thimble, the electric jar drives the mounting panel and shifts up, the mounting panel drives the thimble and realizes exerting ascending thrust to the injection molding, the ability of independently unloading of device has been increased, the problem that the ability difference of independently unloading appears leading to intensity of labour big when using has been solved in prior art, avoid appearing simultaneously when unloading can not realizing perpendicular and at the uniform velocity unloading lead to easily appearing the problem of breach and burr on the injection molding, the production of wastrel has been reduced, avoid the waste of raw materials, the secondary deburring technology has been reduced simultaneously.

Drawings

FIG. 1 is an assembly view of the device of the present invention;

FIG. 2 is an assembly view of the lower die base of FIG. 1 in accordance with the present invention;

fig. 3 is an assembly view of the positioning post of fig. 1 according to the present invention.

In the figure: the device comprises a positioning sleeve 1, an upper pressing die 2, an upper die base 3, a mounting frame 4, a positioning column 5, a base 6, a handle 7, a transmission shaft 8, an electric cylinder 9, a thimble 10, a mounting plate 11, a fan 12, a radiating fin 13, a coiled pipe 14, a sealing joint 15, a lower die base 16, a threaded rod 17, an upright post 18, a transmission nut 19, a driven bevel gear 20, a transmission box 21 and a driving bevel gear 22.

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. 1-3, the present invention provides a technical solution:

the utility model provides a plastic injection mold embryo with water-cooling, includes upper die base 3, mounting bracket 4, base 6 and die holder 16, the symmetry is provided with transmission case 21 on the 3 top both sides positions of upper die base, two install stand 18 on the top position of transmission case 21, install driven bevel gear 20 on the inside intermediate position of transmission case 21, it is connected to rotate between driven bevel gear 20 and the transmission case 21, driven bevel gear 20 is connected with the inside threaded rod 17 of stand 18, threaded rod 17 vertically sets up on the inside intermediate position of stand 18, the outside cover of threaded rod 17 has reference column 5, the lower extreme of reference column 5 is provided with drive nut 19, the meshing is connected between drive nut 19 and the threaded rod 17, install mounting bracket 4 on the intermediate position of base 6 top, install die holder 16 on the inside intermediate position of mounting bracket 4, the inner side of the lower die base 16 is wrapped with the serpentine coil 14, the serpentine coil 14 is in sealing connection with the sealing joint 15 on the mounting frame 4, the outer surface of the lower die base 16 is provided with the radiating fins 13, the cooling liquid is added into the sealing joint 15 and is filled with the serpentine coil 14, the cooling liquid in the serpentine coil 14 is used for cooling the lower die base 16, meanwhile, the radiating fins 13 are increased in radiating area of the device, the fan 12 is used for assisting in radiating the radiating fins 13, radiating rate and radiating effect of the device are increased, forming efficiency of the device is increased, working efficiency of the device is increased, plasticity quality of the device is increased, the problem of low plasticity efficiency in the prior art is solved, the upper die base 3 is arranged right above the lower die base 16, the upper pressing die 2 is arranged in the middle position above the upper die base 3, the upper die 2 is arranged at a position corresponding to the position of the lower die holder 16.

A driving bevel gear 22 is installed in a transmission box 21 at the left lower side of the driven bevel gear 20, the driving bevel gear 22 is meshed with the transmission box 21, the two driving bevel gears 22 are connected through a transmission shaft 8, a handle 7 is arranged at the outer side of the transmission box 21, the handle 7 is connected with the driving bevel gear 22, positioning sleeves 1 are symmetrically arranged at two side positions below the upper pressing die 2, the setting positions of the two positioning sleeves 1 correspond to the positions of positioning columns 5, the positioning columns 5 are inserted in the positioning sleeves 1, a fan 12 is installed on an installation rack 4 at the outer side of the radiating fins 13, the setting position of the fan 12 corresponds to the installation position of the radiating fins 13, an electric cylinder 9 is installed on a base 6 at the lower side of the installation rack 4, the electric cylinder 9 is connected with an installation board 11 through a piston rod, and ejector pins 10 are evenly installed on the upper surface of the installation board 11, the upper end of the thimble 10 penetrates through the lower die holder 16, the thimble 10 is connected with the lower die holder 16 in a sliding mode, the electric cylinder 9 drives the mounting plate 11 to move upwards, the mounting plate 11 drives the thimble 10 to apply upward thrust to an injection molding piece, the automatic blanking capacity of the device is improved, the problem that in the prior art, when the injection molding piece is used, the labor intensity is high due to the fact that the automatic blanking capacity is poor is solved, meanwhile, the problem that notches and burrs are prone to occurring on the injection molding piece due to the fact that vertical blanking and uniform blanking cannot be achieved when blanking is conducted is avoided, the generation of defective products is reduced, the waste of raw materials is avoided, and meanwhile, the secondary trimming process.

The model of the electric cylinder 9 is CASM-32-LS, and the model of the fan 12 is BFB 3010.

The working process is as follows: when the device is used, an external power supply is connected, when injection molding is needed, the positioning sleeve 1 on the upper die holder 3 is inserted on the positioning column 5, then injection molding materials are added into the injection molding hole of the upper die holder 3, when the injection molding materials are filled in the lower die holder 16, the injection molding materials are stopped to be put in, then cooling liquid is added into the sealing joint 15, the cooling liquid is filled in the serpentine coil 14, the cooling liquid in the serpentine coil 14 is used for cooling the lower die holder 16, meanwhile, the heat dissipation area of the device is increased by the heat dissipation fins 13, auxiliary heat dissipation of the heat dissipation fins 13 is realized by the fan 12, therefore, the heat dissipation rate and the heat dissipation effect of the device are increased, the forming efficiency of the device is increased, the working efficiency of the device is increased, the plasticity quality of the device is increased, the problem of low plasticity efficiency of the prior art when plasticity is carried out is solved, when the device needs, the handle 7 is rotated, the handle 7 is matched with the transmission shaft 8 to drive the two driving bevel gears 22 to rotate, the driving bevel gears 22 and the driven bevel gears 20 are meshed with each other, the driven bevel gears 20 drive the threaded rods 17 to rotate, the threaded rods 17 rotate, simultaneously, the transmission nuts 19 drive the positioning columns 5 to move upwards, the positioning columns 5 apply upward thrust to the positioning sleeves 1 on the upper die base 3, so that the upper die base 3 is vertically demolded, the problem that the die sinking is inconvenient to occur during the die sinking is solved, meanwhile, the problem that injection molding parts are easy to damage due to the fact that uniform and vertical demolding cannot be performed in the prior art is solved, after the die sinking is completed, the upper die base 3 is taken down, the electric cylinder 9 drives the mounting plate 11 to move upwards, the mounting plate 11 drives the ejector pins 10 to apply upward thrust to the injection molding parts, the automatic blanking capability of the device is improved, and the problem that the labor intensity is high due to, meanwhile, the problem that notches and burrs are easy to occur on an injection molding part due to the fact that vertical and uniform blanking cannot be achieved during blanking is avoided, the generation of defective products is reduced, the waste of raw materials is avoided, and meanwhile, a secondary trimming process is reduced.

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. The utility model provides a plastic injection mold embryo with water-cooling, includes upper die base (3), mounting bracket (4), base (6) and die holder (16), its characterized in that: the upper die holder is characterized in that transmission boxes (21) are symmetrically arranged on two sides of the upper portion of the upper die holder (3), two upright columns (18) are arranged on the upper portion of each transmission box (21), driven bevel gears (20) are arranged in the middle of the inner portion of each transmission box (21), each driven bevel gear (20) is rotatably connected with the corresponding transmission box (21), each driven bevel gear (20) is connected with a threaded rod (17) of the inner portion of each upright column (18), each threaded rod (17) is vertically arranged in the middle of the inner portion of each upright column (18), positioning columns (5) are sleeved on the outer sides of the threaded rods (17), transmission nuts (19) are arranged at the lower ends of the positioning columns (5), the transmission nuts (19) are connected with the threaded rods (17) in a meshed mode, a mounting frame (4) is arranged in the middle of the upper portion of the base (6), a lower die holder (16) is arranged in the middle, the improved die is characterized in that a serpentine coil (14) is wrapped in the lower die base (16), the serpentine coil (14) is connected with a sealing joint (15) on the mounting frame (4) in a sealing mode, heat dissipation fins (13) are arranged on the outer surface of the lower die base (16), an upper die base (3) is arranged right above the lower die base (16), an upper pressing die (2) is installed on the middle position above the upper die base (3), and the setting position of the upper pressing die (2) corresponds to the setting position of the lower die base (16).

2. The plastic injection mold base with water cooling as claimed in claim 1, wherein: install initiative conical gear (22) in transmission case (21) of driven conical gear (20) left side below, the meshing is connected, two between initiative conical gear (22) and transmission case (21) connect through transmission shaft (8) between initiative conical gear (22), the transmission case (21) outside is provided with handle (7), handle (7) are connected with initiative conical gear (22).

3. The plastic injection mold base with water cooling as claimed in claim 1, wherein: the positioning device is characterized in that positioning sleeves (1) are symmetrically arranged on two sides of the lower portion of the upper pressing die (2), the arrangement positions of the two positioning sleeves (1) correspond to the positions of positioning columns (5), and the positioning columns (5) are inserted into the positioning sleeves (1).

4. The plastic injection mold base with water cooling as claimed in claim 1, wherein: the fan (12) is installed on the installation frame (4) on the outer side of the radiating fins (13), and the installation position of the fan (12) corresponds to the installation position of the radiating fins (13).

5. The plastic injection mold base with water cooling as claimed in claim 1, wherein: install electric jar (9) on base (6) of mounting bracket (4) below, electric jar (9) are connected with mounting panel (11) through the piston rod, evenly install thimble (10) on the upper surface of mounting panel (11), lower bolster (16) are passed to the upper end of thimble (10), and sliding connection between thimble (10) and lower bolster (16).