CN211492629U

CN211492629U - Crystal bottle cap forming device

Info

Publication number: CN211492629U
Application number: CN201922292526.2U
Authority: CN
Inventors: 陈溢波; 陈建华
Original assignee: Shaoxing Shangyu Yier Plastic Industry Co ltd
Current assignee: Shaoxing Shangyu Yier Plastic Industry Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-15
Anticipated expiration: 2029-12-18

Abstract

The utility model provides a quartzy bottle lid forming device belongs to the forming device field. It has solved current because expend with heat and contract with cold, hardly take out the runner cover and clear up the scheduling problem, a quartzy bottle lid forming device, including forming die, forming die includes core and die cavity, be provided with the installation cavity in the die cavity, be provided with first runner cover in the installation cavity, the forming die top is provided with the second runner cover, first runner cover and second runner cover intercommunication, be provided with the passageway of moulding plastics in the first runner cover, the die cavity bottom is provided with the hole of moulding plastics, first runner cover includes the cylinder and sets up the ball outside the cylinder, 0.01 magnitude of interference has between first runner cover and the installation cavity. The utility model has the advantages of convenient taking out.

Description

Crystal bottle cap forming device

Technical Field

The utility model belongs to the forming device field, in particular to quartzy bottle lid forming device.

Background

The crystal bottle is formed by injection molding of transparent plastic, and the bottle body and the bottle cap of the crystal bottle are separately injected.

When the bottle cap of the existing crystal bottle is subjected to injection molding, a sprue bush is arranged in a mold core, a cooling flow passage is arranged in a cavity, and the injection molding of the bottle cap is carried out.

However, the problem exists that when the injection molding is performed, the injection molding channel arranged in the sprue bush needs to be always aligned with the injection molding hole at the bottom of the mold core, so that the sprue bush is installed in the mold core in an interference fit mode, but because the temperature of the molten material is higher, after the injection molding process is performed, the sprue bush expands due to thermal expansion and cold contraction and is tightly matched with the mold core, when the injection molding process is completed and needs to be taken out, the sprue bush is difficult to take out for cleaning (the sprue bush can be used as a standard part and is plugged into other mold cores to produce other products), the sprue bush can be taken out smoothly after being cooled for a long time, and the injection molding process is very inconvenient.

Disclosure of Invention

The utility model aims at providing a quartzy bottle lid forming device to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a quartzy bottle lid forming device, its characterized in that includes forming die, forming die include core and die cavity, the core in be provided with the installation cavity, the installation cavity in be provided with first runner cover, the forming die top be provided with second runner cover, first runner cover and second runner cover intercommunication, first runner cover in be provided with the passageway of moulding plastics, core bottom be provided with the hole of moulding plastics, first runner cover include the cylinder and set up the ball outside the cylinder, first runner cover and installation cavity between have 1% interference volume.

The utility model discloses a theory of operation: the first sprue bush comprises a cylinder body and a ball arranged outside the cylinder body, 1% interference magnitude exists between the first sprue bush and the mounting cavity, and when the first sprue bush is mounted, the ball is pressed inside the mounting cavity. And during injection molding, the injection molding machine injects the molten material through the second sprue bush, flows to the cavity through the injection molding channel and the injection hole, and is molded and opened to obtain the injection molding material. The utility model discloses a 1% interference magnitude has between first runner cover and the installation cavity, so the hole of moulding plastics of the core in the first runner cover can aim at all the time. And because the cylinder is provided with the ball outward, so make things convenient for taking out of first runner cover, even the heat expands, because the existence of ball, become by traditional sliding friction the utility model discloses a rolling friction, so make things convenient for taking out of first runner cover. The cooling is not required to be waited for a long time, so that the time is saved and the cooling is very convenient.

In the above bottle cap molding device for crystal bottles, one half of the ball is embedded in the cylinder, and the other half of the ball is exposed outside.

In the crystal bottle cap forming device, the top of the second sprue bush is provided with an injection molding cavity, and the bottom of the second sprue bush is provided with a sprue cavity for mounting the first sprue bush.

In the above bottle cap forming device for crystal bottles, the bottom of the cavity is provided with a cold water flow passage, and the cold water flow passage comprises a water inlet flow passage and a water outlet flow passage which are communicated with each other.

In the above-mentioned crystal bottle cap forming device, a notch is provided at one side of the first sprue bush, and the notch is used for hooking by a hook, so that the first sprue bush is pulled out.

In the above bottle cap forming device for crystal bottles, a push sleeve is arranged outside the core, the bottom surface of the push sleeve is in press fit with the top surface of the cavity, a notch is arranged on the bottom surface of the push sleeve, and a groove is formed between the notch and the side wall of the core in a matching manner.

In the above bottle cap forming device for crystal bottles, the number of the mold cores and the number of the mold cavities are both 4, and injection molding runners are arranged between the second sprue bush and the mold core, and the number of the injection molding runners is 4.

In the above bottle cap forming device for crystal bottles, the openings at the two ends of the injection channel are larger and smaller, and the notch is located at the side with the larger opening.

In the crystal bottle cap forming device, the bottom of the injection molding cavity is provided with an opening.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses a 1% interference magnitude has between first runner cover and the installation cavity, so the hole of moulding plastics of the core in the first runner cover can aim at all the time. And because the cylinder is provided with the ball outward, so make things convenient for taking out of first runner cover, even the heat expands, because the existence of ball, become by traditional sliding friction the utility model discloses a rolling friction, so make things convenient for taking out of first runner cover. The cooling is not required to be waited for a long time, so that the time is saved and the cooling is very convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the injection runner of the present invention;

fig. 3 is a schematic structural view of the cavity of the present invention;

fig. 4 is a schematic structural view of the core and the cavity of the present invention;

FIG. 5 is a schematic structural view of the groove of the present invention;

fig. 6 is a schematic structural view of the push sleeve of the present invention;

FIG. 7 is a schematic structural view of the notch of the present invention;

fig. 8 is a schematic structural view of the installation cavity of the present invention;

FIG. 9 is a schematic structural view of the injection molding cavity of the present invention;

fig. 10 is a schematic structural view of a second sprue bush of the present invention.

In the figure, 1, a forming die; 2. a core; 3. a cavity; 4. a mounting cavity; 5. a first sprue bush; 6. a second sprue bush; 7. injection molding a channel; 8. injection molding holes; 9. a ball bearing; 10. an injection molding cavity; 11. pouring into the mouth; 12. a cold water flow passage; 13. a water inlet flow channel; 14. a water outlet flow channel; 15. a recess; 16. pushing a sleeve; 17. a notch; 18. a groove; 19. injection molding a runner; 20. a cylinder; 21. and (6) opening holes.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-10, a crystal bottle cap forming device comprises a forming die 1, wherein the forming die 1 comprises a core 2 and a cavity 3, a mounting cavity 4 is arranged in the core 2, a first sprue bush 5 is arranged in the mounting cavity 4, a second sprue bush 6 is arranged at the top of the forming die 1, the first sprue bush 5 is communicated with the second sprue bush 6, an injection channel 7 is arranged in the first sprue bush 5, an injection hole 8 is arranged at the bottom of the core 2, the first sprue bush 5 comprises a cylinder 20 and a ball 9 arranged outside the cylinder 20, and an interference magnitude of 1% is provided between the first sprue bush 5 and the mounting cavity 4.

In more detail, half of the ball 9 is embedded in the cylinder 20, and the other half of the ball 9 is exposed.

In further detail, the top of the second sprue bush 6 is provided with an injection molding cavity 10, and the bottom of the second sprue bush 6 is provided with a sprue cavity 11 which can be used for installing the first sprue bush 5.

In one molding apparatus, there may be a plurality of the first sprue bushing 5, which may be installed in the core 2 and the sprue cavity 11, with an interference of 1% between the first sprue bushing 5 and the sprue cavity 11. The utility model discloses a first runner cover 5 can regard as the standard component, can be used for in core 2, can be used for in second runner cover 6 again, can replace the use.

In further detail, a cold water flow passage 12 is arranged at the bottom of the cavity 3, and the cold water flow passage 12 comprises a water inlet flow passage 13 and a water outlet flow passage 14 which are communicated with each other.

More specifically, a notch 15 is formed in one side of the first sprue bush 5, and the notch 15 is used for hooking a hook to pull out the first sprue bush 5. The recess 15 facilitates the operator to hook the first sprue bush 5 by means of a hook and then pull the first sprue bush 5 out of the mounting cavity 4 or pull the first sprue bush 5 out of the sprue cavity 11. The hook is an auxiliary tool, and other auxiliary tools may be used as long as the hook can be inserted into the notch 15 and hooked to the first sprue bush 5.

In further detail, a pushing sleeve 16 is arranged outside the core 2, the bottom surface of the pushing sleeve 16 is in press fit with the top surface of the cavity 3, a notch 17 is arranged on the bottom surface of the pushing sleeve 16, and a groove 18 is formed between the notch 17 and the side wall of the core 2 in a matching manner.

The grooves 18 are formed to form a bottom protrusion of the bottle cap so that the bottle cap can be engaged with the bottle body.

In more detail, the number of the mold core 2 and the number of the mold cavities 3 are both 4, an injection molding runner 19 is arranged between the second sprue bush 6 and the mold core 2, and the number of the injection molding runners 19 is 4.

In more detail, the openings 21 of the two ends of the injection channel 7 are larger and smaller, and the notch 15 is positioned on the side with the larger opening. The first sprue bushing 5 mounted in the core 2 has a small opening 21 close to the injection hole 8 and a large opening 21 far from the injection hole 8. The opening 21 of the first sprue bush 5 installed in the sprue cavity 11 close to the injection molding cavity 10 is small, and the opening 21 far away from the injection molding cavity 10 is large.

In further detail, the bottom of the injection cavity 10 is provided with an opening 21. The opening 21 allows the injection cavity 10 to communicate with the injection channel 7 of the first sprue bushing 5 mounted in the sprue cavity 11.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms forming die 1, core 2, cavity 3, mounting cavity 4, first sprue bush 5, second sprue bush 6, injection channel 7, injection hole 8, ball 9, injection cavity 10, sprue cavity 11, cold water runner 12, water inlet runner 13, water outlet runner 14, notch 15, push bush 16, notch 17, groove 18, injection runner 19, cylinder 20, opening 21, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a quartzy bottle lid forming device, its characterized in that includes forming die (1), forming die (1) include core (2) and die cavity (3), core (2) in be provided with installation cavity (4), installation cavity (4) in be provided with first runner cover (5), forming die (1) top be provided with second runner cover (6), first runner cover (5) and second runner cover (6) intercommunication, first runner cover (5) in be provided with passageway (7) of moulding plastics, core (2) bottom be provided with injection molding hole (8), first runner cover (5) include cylinder (20) and set up ball (9) outside cylinder (20), first runner cover (5) and installation cavity (4) between have 1% excess.

2. The forming device for crystal bottle caps as claimed in claim 1, wherein one half of the ball (9) is embedded in the cylinder (20), and the other half of the ball (9) is exposed.

3. The forming device for the crystal bottle caps as claimed in claim 1, wherein an injection molding cavity (10) is formed in the top of the second sprue bush (6), and a sprue cavity (11) for mounting the first sprue bush (5) is formed in the bottom of the second sprue bush (6).

4. The forming device for the bottle caps of crystal bottles according to claim 1, wherein a cold water flow channel (12) is arranged at the bottom of the cavity (3), and the cold water flow channel (12) comprises a water inlet flow channel (13) and a water outlet flow channel (14) which are communicated with each other.

5. The forming device for the bottle caps of crystal bottles according to claim 1, wherein a notch (15) is formed in one side of the first sprue bush (5), and the notch (15) is used for being hooked by a hook to enable the first sprue bush (5) to be pulled out.

6. The forming device for the bottle caps of the crystal bottles according to claim 1, wherein a pushing sleeve (16) is arranged outside the core (2), the bottom surface of the pushing sleeve (16) is in press fit with the top surface of the cavity (3), a notch (17) is arranged on the bottom surface of the pushing sleeve (16), and a groove (18) is formed between the notch (17) and the side wall of the core (2) in a matching manner.

7. The crystal bottle cap forming device according to claim 1, wherein the number of the mold core (2) and the number of the mold cavities (3) are both 4, an injection molding runner (19) is arranged between the second sprue bush (6) and the mold core (2), and the number of the injection molding runner (19) is 4.

8. The forming device for the bottle caps of crystal bottles of claim 5, wherein the injection channel (7) is opened in two ends, and the notch (15) is positioned on the side with the larger opening.

9. The forming device for the bottle caps of crystal bottles according to claim 3, wherein the bottom of the injection molding cavity (10) is provided with an opening (21).