CN222039416U

CN222039416U - Kettle type injection mold

Info

Publication number: CN222039416U
Application number: CN202323262645.6U
Authority: CN
Inventors: 张希雷
Original assignee: Shanghai Shimizu Housewares Manufacturing Co ltd
Current assignee: Shanghai Shimizu Housewares Manufacturing Co ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-11-22
Anticipated expiration: 2033-11-30

Abstract

The present application discloses a pot injection mold, which relates to the technical field of injection molds, and includes an upper mold base and a lower mold base, wherein the lower mold base is provided with a lifting block, and the lower mold base is provided with a lifting assembly for driving the lifting block to lift and lower, and the lifting block is fixed with a first inclined guide rail with a vertical center, and an inclined sliding groove is provided on the circumference of the central axis outside the first inclined guide rail and is slidably connected with a stripping module, and the stripping modules are synchronously slidably connected with the first inclined guide rail, and the lifting block is provided with a stripping assembly for making the tops of all stripping modules close to each other, and the upper mold base and the lower mold base are arranged oppositely, and the two form a cavity for injection molding a pot body after the mold is closed, and the upper mold base is provided with an injection port that passes through the cavity. The present application has the effect of facilitating the demoulding of a pot body that is thick in the middle and narrow at both ends.

Description

Kettle type injection mold

Technical Field

The application relates to the technical field of injection molds, in particular to a kettle injection mold.

Background

Injection molding is a common plastic processing method that involves injecting molten plastic into a mold, followed by cooling, solidification, and molding to finally obtain the desired plastic article. Such processing methods are commonly used to produce a variety of plastic articles such as plastic containers, parts, toys, and the like.

Injection molding of kettles generally employs an injection molding process which produces high quality, high precision plastic kettles. In the injection molding process, it is first necessary to prepare a mold for the kettle-type product and then heat the plastic pellets or powder to a molten state. The molten plastic is then injected into the mold and cooled to solidify in the mold to finally obtain the desired plastic kettle-like product.

In view of the above related art, when a kettle shell of a special shape is processed, the shape of the kettle shell is small at the top, large in the middle and small at the bottom, and the demolding is relatively troublesome.

Disclosure of utility model

In order to facilitate the demolding of a kettle body with a thick middle part and narrow two ends, the application provides a kettle injection mold.

The application provides a kettle injection mold which adopts the following technical scheme:

The utility model provides a kettle class injection mold, includes upper die base and die holder, the die holder is equipped with the lifter block, the die holder is equipped with the lifting unit that the drive lifter block goes up and down, the lifter block has set firmly the first oblique guide rail of center vertically, be equipped with the slope sliding tray on the periphery of first oblique guide rail outer center pin and equal sliding connection have the drawing of patterns piece, drawing of patterns piece all with first oblique guide rail synchronous sliding connection, the lifter block is equipped with the drawing of patterns subassembly that makes all drawing of patterns piece tops all be close to each other, the upper die base sets up with the die holder relatively, constitute the cavity that the kettle body was used of moulding plastics after the two compound die, the upper die base is equipped with the mouth of moulding plastics that link up with the cavity.

Through adopting above-mentioned technical scheme, after upper die base and die holder compound die, pour into the cavity through the mouth of moulding plastics with melting raw materials, the raw materials forms the kettle body at the cavity internal cooling shaping, when need carry out the drawing of patterns to the kettle body that middle thick both ends are narrow, the upper die base is opened the back, the kettle body shaping is on taking off the module, under the effect of drawing of patterns subassembly, drawing of patterns piece and first oblique guide synchronous sliding connection take off module top all mutually near this moment, inwards receive and close to keep away the big part in the middle after with the shaping, can normally realize the drawing of patterns, reach the purpose of convenient drawing of patterns.

Optionally, the drawing of patterns subassembly is including setting up the second diagonal guide in first diagonal guide bottom, and the second diagonal guide sets firmly in the die holder, is equipped with the recovery piece between the adjacent drawing of patterns piece, retrieves piece and second diagonal guide sliding connection, retrieves the piece and sets up along second diagonal guide center pin circumference, retrieves the piece upper and lower both ends and all is connected along horizontal direction synchronous sliding with first diagonal guide, second diagonal guide, retrieve piece and drawing of patterns piece compound die butt joint back with kettle body shape adaptation, the die holder is equipped with the gliding ejecting subassembly of drive drawing of patterns piece.

Through adopting above-mentioned technical scheme, when the lifting block risees, retrieve the piece and slide along the second oblique guide rail, the both ends can both be down along horizontal direction inwards under first oblique guide rail effect about retrieving the piece this moment to leave certain space, make things convenient for follow-up ejecting subassembly to jack out the demoulding of taking off the module.

Optionally, the ejecting subassembly includes the ejecting seat, the ejecting seat is equipped with the ejector pin, the drawing of patterns piece sets up at the ejector pin top, ejector pin extending direction is the same with drawing of patterns piece slip direction, the die holder is equipped with the vertical lift screw who wears to establish the ejecting seat, the die holder is equipped with drive lift screw pivoted driving motor.

Through adopting above-mentioned technical scheme, driving motor drive lifting screw rotates, realizes the lift of ejecting seat, and when ejecting seat risen is followed to the ejector rod, it is ejecting with the drawing of patterns piece of top, further conveniently takes off and takes off the fashioned kettle body on the module.

Optionally, the ejector rod top is detachably connected with the drawing of patterns piece bottom.

Through adopting above-mentioned technical scheme, ejector rod top is connected with the drawing of patterns piece bottom can be dismantled and is used for easy to assemble or dismantles the drawing of patterns piece that produces wearing and tearing.

Optionally, vertical guide posts are arranged at the end corners of the ejection seat.

Through adopting above-mentioned technical scheme, set up the guide post and be used for guaranteeing the steady rise of ejecting seat, reduce the possibility that the kettle body damaged when drawing of patterns.

Optionally, the demolding blocks are four.

Through adopting above-mentioned technical scheme, set up four drawing of patterns block structures and be more symmetrical, convenient control and operation can guarantee better drawing of patterns effect.

Optionally, the lifting assembly comprises lifting cylinders, wherein piston rods of the lifting cylinders are vertically arranged on two sides of the lower die base and fixed with the lifting blocks, and the two lifting cylinders work synchronously.

Through adopting above-mentioned technical scheme, through two lift cylinder synchronous control lifter blocks, stability when can guaranteeing lifter block position movement.

Optionally, a cooling water channel for cooling and forming the kettle body is arranged in the upper die holder.

Through adopting above-mentioned technical scheme, set up the cooling water course in the upper die base, can improve the cooling efficiency of melting raw materials, realize quick shaping and guarantee kettle body shaping quality.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When the kettle body with the thick middle and the narrow two ends is required to be demolded, after the upper die holder is opened, the kettle body is molded on the demolding module, the demolding block is synchronously and slidably connected with the first oblique guide rail under the action of the demolding assembly, and at the moment, the top parts of the demolding modules are mutually close to each other and are retracted inwards, so that a large middle part after molding is avoided, demolding can be normally realized, and the purpose of facilitating demolding is achieved;

2. When the lifting block ascends, the recovery block slides along the second inclined guide rail, and at the moment, the upper end and the lower end of the recovery block can inwards slide along the horizontal direction under the action of the first inclined guide rail, so that a certain gap is reserved, and the follow-up ejection assembly can conveniently eject out of the stripping module to carry out stripping;

3. The lifting screw is driven by the driving motor to rotate, so that lifting of the ejection seat is realized, and when the ejection rod ascends along with the ejection seat, the upper demoulding block is ejected, so that the kettle body formed on the demoulding module is further conveniently taken down.

Drawings

FIG. 1 is a schematic diagram of a mold closing structure according to an embodiment of the present application.

FIG. 2 is a schematic diagram of the structure of an embodiment of the present application when demolding.

FIG. 3 is a cross-sectional view of the structure of an embodiment of the present application in demolding.

Reference numerals illustrate:

1. an upper die holder; 11. an injection molding port; 2. a lower die holder; 21. a lifting block; 22. a first diagonal rail; 23. removing the module; 3. a lifting assembly; 31. a lifting cylinder; 4. a demolding assembly; 41. the second inclined guide rail; 42. recovering the blocks; 5. an ejection assembly; 51. an ejection seat; 52. an ejector rod; 53. lifting screw rods; 54. a driving motor; 55. a guide post; 6. and cooling the water channel.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a kettle injection mold.

Referring to fig. 1, a kettle injection mold comprises a square upper mold base 1 and a square lower mold base 2, the upper mold base 1 and the lower mold base 2 are oppositely arranged, a cavity for injection molding a kettle body is formed after the upper mold base 1 and the lower mold base 2 are assembled, the upper mold base 1 is provided with an injection molding opening 11 communicated with the cavity, the control of the upper mold base 1 and the feeding of the injection molding opening 11 are both in the prior art, a cooling water channel 6 for cooling and molding the kettle body is arranged in the upper mold base 1, the cooling water channel 6 is designed according to the specification of the kettle body in actual production, after the upper mold base 1 and the lower mold base 2 are assembled, molten raw materials are injected into the cavity through the injection molding opening 11, cooling water is introduced into the cooling water channel 6, the raw materials are cooled and molded in the cavity to form the kettle body, and then the product is taken out after demolding.

Referring to fig. 1 and 2, a lifting block 21 is arranged above a lower die holder 2, the upper side and the lower side of the lifting block 21 can be in butt joint with the upper die holder 1 and the lower die holder 2, the lower die holder 2 is provided with a lifting component 3 for driving the lifting block 21 to lift, a first inclined guide rail 22 with the vertical center is fixedly arranged on the lifting block 21, the middle of the first inclined guide rail 22 is hollow, an inclined sliding groove is arranged on the periphery of the central axis of the first inclined guide rail 22, demoulding blocks 23 are all connected with the first inclined guide rail 22 in a sliding manner, namely, four groups of inclined sliding grooves are uniformly arranged on four sides, demoulding modules 23 are connected with the first inclined guide rail 22 in a sliding manner, the lifting block 21 is provided with a demoulding component 4 for enabling the tops of all the demoulding modules 23 to be mutually close, when a kettle body with the thick middle and the narrow ends needs to be demoulded, the demoulding blocks 23 are synchronously connected with the first inclined guide rail 22 in a sliding manner under the action of the demoulding component 4 after the upper die holder 1 is opened, at the moment, the tops of the demoulding modules 23 are mutually close inwards, so that the middle part is greatly cleared after the moulding is normally achieved, and the purpose of demoulding is achieved.

Referring to fig. 2, the lifting assembly 3 includes a lifting cylinder 31, a base of the lifting cylinder 31 is fixed to the lower die holder 2, piston rods of the lifting cylinder 31 are vertically disposed at two sides of the lower die holder 2 and are fixed to the lifting block 21, and the lifting cylinders 31 work synchronously, and the lifting block 21 is synchronously controlled by the two lifting cylinders 31, so that stability of the lifting block 21 during position movement can be ensured.

Referring to fig. 1 and 2, the demolding assembly 4 includes a second oblique guide rail 41 disposed at the bottom of the first oblique guide rail 22, four sliding tracks are also formed on the second oblique guide rail 41, the second oblique guide rail 41 sequentially narrows from bottom to top to pass through the lifting block 21, the second oblique guide rail 41 is fixedly disposed on the lower die holder 2, a recovery block 42 is disposed between adjacent demolding modules 23, the recovery block 42 is configured to be capable of being spliced with the demolding block 23, the recovery block 42 is slidably connected with the second oblique guide rail 41 along the sliding tracks, the recovery block 42 is circumferentially disposed along a central axis of the second oblique guide rail 41, both the upper and lower ends of the recovery block 42 are synchronously slidably connected with the first oblique guide rail 22 along a horizontal direction, the first oblique guide rail 22, the second oblique guide rail 41, the recovery block 42 and the demolding block 23 are matched with the shape of the kettle body after being spliced, the lower die holder 2 is provided with an ejector assembly 5 for driving the demolding module 23 to slide, when the lifting block 21 rises, the recovery block 42 slides along the second oblique guide rail 41, and both the upper and lower ends of the recovery block 42 can slide along the horizontal direction under the action of the first oblique guide rail 22, thereby a certain ejection clearance is reserved for ejecting the demolding assembly 23.

Referring to fig. 2 and 3, the ejector assembly 5 includes an ejector seat 51, the ejector seat 51 is disposed in the lower die holder 2, vertical cylindrical guide posts 55 are disposed at four end corners of the ejector seat 51, the guide posts 55 vertically penetrate through the lifting block 21, the guide posts 55 are disposed to ensure stable lifting of the ejector seat 51, four inclined ejector rods 52 are fixedly disposed on the ejector seat 51 to reduce possibility of damage to a kettle body during demolding, the ejector block 23 is disposed on top of the ejector rod 52, top ends of the ejector rods 52 are detachably connected with bottom ends of the ejector blocks 23 through fixing bolts, extension directions of the ejector rods 52 are identical to sliding directions of the ejector blocks 23, the lower die holder 2 is provided with lifting screws 53 vertically penetrating through the ejector seat 51, two lifting screws 53 are respectively disposed in front of and behind the lifting screws 53, the lower die holder 2 is provided with a driving motor 54 for driving the lifting screws 53 to rotate, the driving motor 54 drives the lifting screws 53 to lift the ejector rods 51, the ejector rods 52 are pushed out along with lifting of the ejector seat 51, when the ejector rods 52 are lifted along with the lifting of the ejector seat 51, the ejector blocks 23 are ejected above the ejector blocks 23, and the kettle body molded on the ejector blocks 23 are further conveniently removed.

The implementation principle of the kettle injection mold provided by the embodiment of the application is as follows: after the upper die holder 1 and the lower die holder 2 are assembled, molten raw materials are injected into the cavity through the injection molding opening 11, the raw materials are cooled and molded in the cavity to form a kettle body, when the kettle body with the thick middle and the narrow two ends is required to be demolded, after the upper die holder 1 is opened, the lifting assembly 3 enables the lifting block 21 to lift, the recovery block 42 slides along the second inclined guide rail 41, at the moment, the upper end and the lower end of the recovery block 42 can slide inwards along the horizontal direction under the action of the first inclined guide rail 22, so that a certain gap is reserved, under the action of the demolding assembly 4, the demolding block 23 is in synchronous sliding connection with the first inclined guide rail 22, at the moment, the tops of the demolding blocks 23 are mutually close, the inner folding is realized, so that a large part in the middle after molding is avoided, and the demolding is carried out by pushing the demolding block 23 out through the ejection assembly 5.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a kettle class injection mold which characterized in that: including upper die base (1) and die holder (2), die holder (2) are equipped with lifter block (21), die holder (2) are equipped with lift subassembly (3) that drive lifter block (21) goes up and down, lifter block (21) set firmly the vertical first slant guide rail (22) in center, be equipped with slope sliding tray and all sliding connection have drawing of patterns piece (23) on first slant guide rail (22) outer center pin circumference, drawing of patterns piece (23) all with first slant guide rail (22) synchronous sliding connection, lifter block (21) are equipped with and make drawing of patterns subassembly (4) that all take off module (23) tops are all close to each other, upper die base (1) set up with die holder (2) relatively, constitute cavity that the kettle body was used of moulding plastics after the two compound die, upper die base (1) are equipped with injection molding mouth (11) that link up with the cavity.

2. A kettle type injection mold as claimed in claim 1, wherein: the demolding assembly (4) comprises a second oblique guide rail (41) arranged at the bottom of the first oblique guide rail (22), the second oblique guide rail (41) is fixedly arranged on the lower die holder (2), a recovery block (42) is arranged between the adjacent demolding modules (23), the recovery block (42) is slidably connected with the second oblique guide rail (41), the recovery block (42) is circumferentially arranged along the central shaft of the second oblique guide rail (41), the upper end and the lower end of the recovery block (42) are synchronously slidably connected with the first oblique guide rail (22) along the horizontal direction, the first oblique guide rail (22), the second oblique guide rail (41), the recovery block (42) and the demolding blocks (23) are matched with the shape of the kettle body after being matched with each other in a die clamping mode, and the lower die holder (2) is provided with an ejection assembly (5) for driving the demolding modules (23) to slide.

3. A kettle type injection mold as claimed in claim 2, wherein: the ejector assembly (5) comprises an ejector seat (51), the ejector seat (51) is provided with an ejector rod (52), the demolding block (23) is arranged at the top of the ejector rod (52), the extending direction of the ejector rod (52) is the same as the sliding direction of the demolding block (23), the lower die holder (2) is provided with a lifting screw (53) vertically penetrating through the ejector seat (51), and the lower die holder (2) is provided with a driving motor (54) for driving the lifting screw (53) to rotate.

4. A kettle type injection mold as claimed in claim 3, wherein: the top end of the ejection rod (52) is detachably connected with the bottom end of the demoulding block (23).

5. A kettle type injection mold as claimed in claim 3, wherein: vertical guide posts (55) are arranged at the end corners of the ejection seat (51).

6. A kettle type injection mold as claimed in claim 1, wherein: the demolding blocks (23) are four.

7. A kettle type injection mold as claimed in claim 1, wherein: the lifting assembly (3) comprises lifting cylinders (31), piston rods of the lifting cylinders (31) are vertically arranged on two sides of the lower die holder (2) and fixed with the lifting blocks (21), and the two lifting cylinders (31) work synchronously.

8. A kettle type injection mold as claimed in claim 1, wherein: a cooling water channel (6) for cooling and forming the kettle body is arranged in the upper die holder (1).