CN210634051U

CN210634051U - A mould for electron cigarette casing

Info

Publication number: CN210634051U
Application number: CN201920733780.9U
Authority: CN
Inventors: 刘国宾
Original assignee: Suzhou Orbiter Precision Plastic Co ltd
Current assignee: Suzhou Orbiter Precision Plastic Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-05-29
Anticipated expiration: 2029-05-21

Abstract

The utility model relates to a mould for an electronic cigarette shell, belonging to the technical field of electronic cigarette shell processing, comprising an upper mould frame, an upper mould core, a hot sprue bush, a lower mould core, a lower mould frame and an ejection mechanism, wherein the hot sprue bush is arranged in the upper mould frame, a feed inlet of the hot sprue bush is communicated with the upper mould core, and the ejection mechanism is arranged in the lower mould frame and extends to the lower mould core; a lateral parting core-pulling mechanism is arranged between the upper die frame and the lower die frame, an inclined pin and an extrusion block are arranged on the upper die frame, the lateral parting core-pulling mechanism comprises a sliding block and a lateral die core fixedly connected with the sliding block, a guide hole for the inclined pin to insert is formed in the sliding block, and the extrusion block is arranged on one side of the sliding block; the lower die carrier is provided with sliding grooves for sliding the sliding blocks along the two sides of the width direction, the sliding blocks are fixedly connected with springs, and one ends of the springs are far away from the sliding blocks and abut against the side walls of the sliding grooves. The utility model discloses but the terminal surface shaping department core lateral shifting with the mould to the effect of the smooth drawing of patterns of piece is moulded to the electron cigarette casing that the realization has the side opening structure.

Description

A mould for electron cigarette casing

Technical Field

The utility model belongs to the technical field of the electron cigarette casing processing technique and specifically relates to a mould for electron cigarette casing is related to.

Background

The electronic cigarette as an electronic product simulating cigarettes has the same appearance, smoke and taste as the cigarettes, comprises a cigarette rod shell, an atomizer and a suction nozzle, and is provided with a charger; according to the type of the tobacco rod material of the electronic cigarette, the metal electronic cigarette and the plastic electronic cigarette are manufactured, wherein the tobacco rod of the plastic electronic cigarette is manufactured through an injection molding process.

Referring to fig. 1, a cigarette rod of an electronic cigarette is a product with a symmetrical structure, two electronic cigarette shells in half form a complete electronic cigarette rod, a specially-made electronic cigarette shell heat flow channel type mold is needed for manufacturing the electronic cigarette shell, and a series of injection molding production processes such as mold preheating, plastic drying, plastic filling, pressure maintaining, cooling, demolding, surface quality inspection and the like are performed to finally produce a plastic part of an electronic cigarette shell finished product. The common plastic part with flat side surface and no concave-convex structure can be directly demoulded from the die core by a push-out mechanism consisting of a push rod, a reset part and a guide part. Because the structure of electron cigarette casing is comparatively complicated, the tip that its casing was moulded the piece has the structure of side opening, is moulded the piece by ejecting mechanism directly with the casing and is pushed out from the mould and can influence electron cigarette casing and mould a tip shaping quality, leads to the casing to mould a serious deformation in both ends.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mould for electron cigarette casing, it has the side direction mold core of terminal surface shaping department portable to make the tip of piece is moulded to electron cigarette casing at first the drawing of patterns, then release and accomplish whole drawing of patterns process in the mould by the push rod from the mould, realize that electron cigarette casing moulds the smooth drawing of patterns effect of piece.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a mould for an electronic cigarette shell comprises an upper mould base, an upper mould core, a hot sprue bush, a lower mould core, a lower mould base and an ejection mechanism, wherein the hot sprue bush is arranged in the upper mould base;

a lateral parting core-pulling mechanism is arranged between the upper die frame and the lower die frame, an inclined pin and an extrusion block are arranged on the upper die frame, the lateral parting core-pulling mechanism comprises a sliding block and a lateral die core fixedly connected with the sliding block, a guide hole for the inclined pin to insert is formed in the sliding block, and the extrusion block is arranged on one side of the sliding block;

the lower die carrier is provided with sliding grooves for sliding of the sliding blocks along two sides in the width direction, the sliding blocks are fixedly connected with springs, and one ends of the springs, far away from the sliding blocks, are abutted to the side walls of the sliding grooves.

By adopting the technical scheme, in the demoulding process, the upper die frame is taken out firstly, so that the inclined pin is separated from the guide hole slowly, the extrusion block moves upwards along with the upper die frame, the lateral parting core-pulling mechanism moves under the action of the spring, the slide block and the lateral die core are separated from the electronic cigarette shell plastic part, and the end demoulding process of the electronic cigarette shell is completed; and then the ejection mechanism moves upwards to separate the electronic cigarette shell plastic part from the lower mold core, so that the whole demolding process of the electronic cigarette shell is completed.

The utility model discloses further set up to: the sliding groove is internally and fixedly connected with a square plate, and the square plate is provided with a limiting bolt.

By adopting the technical scheme, when the lateral parting core-pulling mechanism moves under the action of the spring, the limiting bolt can limit the sliding stroke of the lateral parting core-pulling mechanism, so that the lateral parting core-pulling mechanism is prevented from being separated from the lower die frame.

The utility model discloses further set up to: the bottom surface of slider is seted up two section bar constant head tanks that are triangle-shaped along its length direction, be equipped with the location cylinder in the square slab, the tip that the elastic component was kept away from to the location cylinder is the toper and imbeds in the bar constant head tank, the elastic component has been inlayed to location cylinder bottom, the elastic component is kept away from the cylindrical one end butt in the spout diapire of location.

By adopting the technical scheme, when the die is closed, the positioning cylinder is embedded into the strip-shaped positioning groove close to the center of the die, so that the slide block stops approaching the lower die core; when the mold is separated, the positioning cylinder is embedded into the strip-shaped positioning groove far away from the center of the mold, so that the sliding block stops sliding.

The utility model discloses further set up to: one end of the taper pin inserting guide hole inclines towards the direction far away from the center of the upper die core, and the inclination angle range of the taper pin is 13-17 degrees.

Through adopting above-mentioned technical scheme, the taper pin between 13 to 17 can be quick inject in the guiding hole, also can provide certain lateral force for the slider simultaneously for the firm spout lateral wall that leans on at die carrier down of propping up of slider.

The utility model discloses further set up to: the end surface edge of the sliding block close to the upper die frame is in a fillet arrangement.

By adopting the technical scheme, the end face edge fillet of the slider close to the upper die carrier enables the slider not to hit the right angle formed by the bottom face of the upper die carrier and the side face of the extrusion block, so that the slider is guaranteed to be only thrust in the lateral direction of the extrusion block, the lateral die core is enabled to be evenly stressed, the end face stress of the electronic cigarette shell plastic part is guaranteed to be even, and the forming quality is good.

The utility model discloses further set up to: and one end of the sliding block, which is far away from the lateral mold core, is fixedly connected with a sliding block wear-resistant block.

By adopting the technical scheme, the wear-resistant block of the sliding block can resist the extrusion force applied by the extrusion block for many times, the side surface of the sliding block is protected, and meanwhile, the wear-resistant block is convenient to replace, so that the service life of the lateral parting core-pulling mechanism is prolonged.

The utility model discloses further set up to: the upper die frame is provided with two long-strip fool-proof lugs with different placing directions, and the lower die frame is provided with two fool-proof grooves matched with the fool-proof lugs.

By adopting the technical scheme, because the upper die frame and the lower die frame are cuboids, in order to avoid the error cover of the upper die frame and the lower die frame in the process of die assembly, the fool-proof convex blocks with two different directions and the two fool-proof grooves matched with the fool-proof convex blocks are especially arranged.

To sum up, the utility model discloses a beneficial technological effect does:

1. the lateral parting mechanism can slide at a sliding chute of the lower die carrier, so that the end surface of the electronic cigarette shell plastic part can be smoothly demoulded;

2. the bottom surface of the sliding block is provided with a strip-shaped positioning groove, a positioning cylinder is arranged in the square plate, and an elastic part is embedded at the bottom of the positioning cylinder, so that the stroke and the positioning of the sliding block are controlled in the die assembly and demolding processes of the die;

3. the end face edge of the sliding block close to the upper die frame is chamfered, so that the sliding block is only acted by force in the lateral direction, the lateral die core is uniformly stressed, and the quality of the end face of the electronic cigarette shell plastic part is improved.

Drawings

Figure 1 is a schematic view of the overall structure of a prior art electronic cigarette housing molding;

FIG. 2 is a schematic structural view of the upper mold frame according to the present invention;

FIG. 3 is a schematic structural view of the lower mold frame of the present invention;

FIG. 4 is a cross-sectional view of the present invention embodying a side parting core-pulling mechanism;

FIG. 5 is a partial enlarged view of the portion A in FIG. 3;

FIG. 6 is a schematic structural view of a first part of the core-pulling mechanism embodying the present invention;

FIG. 7 is a schematic structural view of a second part of the core-pulling mechanism embodying the present invention;

fig. 8 is a schematic view of the overall structure of the positioning cylinder according to the present invention.

In the figure, 1, an upper mold frame; 11. a taper pin; 12. extruding the block; 13. a fool-proof bump; 2. an upper die core; 3. a hot sprue bushing; 4. a lower die core; 5. a lower die frame; 51. a chute; 52. a square plate; 521. positioning the cylinder; 522. an elastic member; 53. a limit bolt; 54. a fool-proof groove; 6. an ejection mechanism; 7. a lateral parting core-pulling mechanism; 71. a slider; 711. a guide hole; 712. a spring; 713. a strip-shaped positioning groove; 714. a slide block wear-resistant block; 72. and (4) a lateral mold core.

Detailed Description

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

Referring to fig. 2 and 3, in order to disclose the utility model, which comprises an upper die frame 1 and a lower die frame 5, an upper die core 2 and a lower die core 4 are arranged between the upper die frame 1 and the lower die frame 5, the upper die core 2 is embedded into the upper die frame 1, the lower die core 4 is embedded into the lower die frame 5, the end surfaces of the upper die core 2 and the lower die core 4 are combined, and an injection molding cavity of the electronic cigarette shell is formed in the middle; in order to prevent the upper die frame 1 and the lower die frame 5 from being covered by mistake, two strip-shaped foolproof lugs 13 with different directions are arranged on the upper die frame 1, and two foolproof grooves 54 matched with the foolproof lugs 13 are arranged on the lower die frame 5; a hot sprue 3 (as shown in figure 4) for injecting plastic fluid is also arranged between the upper die frame 1 and the upper die core 2, and one end of the hot sprue 3, which is far away from the upper die frame 1, extends into the upper die core 2; an ejection mechanism 6 is arranged in the lower die frame 5, and one end, far away from the lower die frame 5, of the ejection mechanism 6 extends into the lower die core 4.

Referring to fig. 4 and 5, in order to enable the electronic cigarette shell plastic part to be demoulded smoothly, a lateral parting core-pulling mechanism 7 is further arranged; the lateral parting core-pulling mechanism 7 comprises a sliding block 71, a lateral mold core 72, a spring 712 and a sliding block wear-resistant block 714, wherein one end of the sliding block 71 is fixedly connected with the lateral mold core 72, the lateral mold core 72 forms the left side surface and the right side surface of the injection molding cavity, the spring 712 is fixedly connected with one end of the sliding block 71 and is positioned below the lateral mold core 72, and the side surface of the sliding block 71, which is far away from the lateral mold core 72, is fixedly connected with the sliding block wear-resistant; the upper die frame 1 is provided with an inclined pin 11 and an extrusion block 12, one end of the inclined pin inserted into the guide hole inclines towards the direction far away from the center of the upper die core, the inclined angle range of the inclined pin 11 is 13-17 degrees, the preferred embodiment is 15 degrees, and the slide block 71 is provided with a guide hole 711 for inserting the inclined pin 11; when the upper die frame 1 moves downwards, the inclined pin 11 is inserted into the guide hole 711, the extrusion block 12 applies force to the sliding block wear-resistant block 714, so that the lateral parting core-pulling mechanism 7 approaches to the side surface of the lower die core 4, and when the upper die frame 1 is overlapped with the end surface of the lower die frame 5, the inclined pin 11 and the lateral parting core-pulling mechanism 7 stop moving; the ejection mechanism 6 is arranged in the lower die frame 5, one end of the ejection mechanism 6, which is far away from the lower die frame 5, extends into the lower die core 4, and the height of the end face of the ejection mechanism 6 is consistent with that of the end face of the lower die core 4.

Referring to fig. 6 and 7, two strip-shaped positioning grooves 713 parallel to each other are formed in the bottom surface of the slider 71, and the cross section of each strip-shaped positioning groove 713 is triangular; referring to fig. 5, a square plate 52 is fixedly connected to the bottom wall of the sliding slot 51, a positioning cylinder 521 is arranged in the square plate 52, an elastic member 522 (as shown in fig. 8) is embedded at the bottom of the positioning cylinder 521, one end of the elastic member 522, which is far away from the positioning cylinder 521, abuts against the bottom wall of the sliding slot 51, and one end of the positioning cylinder 521 is in a conical shape capable of being embedded in the strip-shaped positioning slot 713; when the die is closed, the conical end surface of the positioning cylinder 521 is abutted against the strip-shaped positioning groove 713 close to the lower die core 4, so that the sliding block 71 stops sliding in the die closing process; when the mold is opened, the slide block 71 moves, the conical surface of the positioning cylinder 521 is separated from the strip-shaped positioning groove 713, the slide block 71 continues to move, the positioning cylinder 521 enters the other strip-shaped positioning groove 713, and the slide block 71 stops moving.

Referring to fig. 5, in order to make the slider 71 uniformly stressed during the mold clamping process and only subjected to the lateral acting force of the extrusion block 12, the edge of the end surface of the slider 71 close to the upper mold frame 1 is rounded.

The implementation principle of the embodiment is as follows: in the mold closing process, the foolproof bump 13 is inserted into the foolproof groove 54, the inclined pin 11 is slowly inserted into the guide hole 711 at the same time, the extrusion block 12 applies force to the lateral parting core-pulling mechanism 7, the slide block 71 moves towards the centers of the upper mold core 2 and the lower mold core 4 until the lateral mold core 72, the upper mold core 2 and the lower mold core 4 form an injection molding cavity, at the moment, the positioning cylinder 521 slides into the strip-shaped positioning groove 713 close to the lower mold core 4, and at the moment, the spring 712 is in an extruded state; after the die assembly is finished, the hot sprue bushing 3 injects plastics into a pouring cavity formed by the upper die core 2, the lower die core 4 and the lateral die core 72, and the heating function of the die enables the plastics in the runner to keep a molten state; stopping the machine to open the mold, pulling the upper mold frame 1 upwards, applying elasticity to the lateral parting core-pulling mechanism 7 by the spring 712, enabling the lateral parting core-pulling mechanism 7 to slide laterally, enabling the positioning cylinder 521 to slide into the strip-shaped positioning groove 713 far away from the lower mold core 4, stopping the sliding of the sliding block 71, separating the end part of the electronic cigarette shell plastic part from the lateral mold core 72, and enabling the electronic cigarette shell plastic part to be separated from the lower mold core 4 by using the ejection mechanism 6, wherein at the moment, the electronic cigarette shell plastic part finishes the demolding process.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A mould for an electronic cigarette shell comprises an upper mould frame (1), an upper mould core (2), a hot sprue bush (3), a lower mould core (4), a lower mould frame (5) and an ejection mechanism (6), wherein the hot sprue bush (3) is arranged in the upper mould frame (1), the upper mould core (2) is arranged at the end face of the upper mould frame (1) facing the lower mould frame (5), the lower mould core (4) is arranged at the end face of the lower mould frame (5) facing the upper mould frame (1), the hot sprue bush (3) is arranged in the upper mould frame (1), a feed inlet of the hot sprue bush (3) is communicated with the upper mould core (2), and the ejection mechanism (6) is arranged in the lower mould frame (5) and extends to the lower mould core (4);

the method is characterized in that: a lateral parting core-pulling mechanism (7) is arranged between the upper die frame (1) and the lower die frame (5), an inclined pin (11) and an extrusion block (12) are arranged on the upper die frame (1), the lateral parting core-pulling mechanism (7) comprises a sliding block (71) and a lateral die core (72) fixedly connected with the sliding block (71), a guide hole (711) for the inclined pin (11) to insert is formed in the sliding block (71), and the extrusion block (12) is installed on one side of the sliding block (71);

lower die carrier (5) are seted up along width direction both sides and are supplied gliding spout (51) of slider (71), fixedly connected with spring (712) on slider (71), slider (71) one end and spout (51) lateral wall butt are kept away from in spring (712).

2. A mold for an electronic cigarette housing according to claim 1, wherein: the inner side of the sliding groove (51) is fixedly connected with a square plate (52), and a limiting bolt (53) is arranged on the square plate (52).

3. A mold for an electronic cigarette housing according to claim 2, wherein: two strip-shaped positioning grooves (713) with triangular cross sections are formed in the bottom surface of the sliding block (71) along the length direction of the bottom surface of the sliding block, positioning cylinders (521) are arranged in the square plate (52), elastic pieces (522) are embedded into the bottoms of the positioning cylinders (521), the end portions, far away from the elastic pieces (522), of the positioning cylinders (521) are conical and embedded into the strip-shaped positioning grooves (713), and one ends, far away from the positioning cylinders (521), of the elastic pieces (522) abut against the bottom wall of the sliding groove (51).

4. A mold for an electronic cigarette housing according to claim 1, wherein: one end of the taper pin (11) inserted into the guide hole (711) inclines towards the direction far away from the center of the upper die core (2), and the inclination angle range of the taper pin (11) is 13-17 degrees.

5. A mold for an electronic cigarette housing according to claim 1, wherein: the end surface edge of the sliding block (71) close to the upper die carrier (1) is in a fillet shape.

6. A mold for an electronic cigarette housing according to claim 1, wherein: one end of the sliding block (71) far away from the lateral mold core (72) is fixedly connected with a sliding block wear-resisting block (714).

7. A mold for an electronic cigarette housing according to claim 1, wherein: go up to be equipped with on die carrier (1) two rectangular shapes and place the different slow-witted lug of preventing (13) of direction, be equipped with on lower die carrier (5) and prevent slow-witted recess (54) with preventing slow-witted lug (13) complex two.