CN210126242U

CN210126242U - Die lip cooling structure of parallel double-layer water channel

Info

Publication number: CN210126242U
Application number: CN201920923108.6U
Authority: CN
Inventors: 谢国基; 姜晓平; 卢佳; 李建林; 邝妃劲
Original assignee: GDXL Precise Machinery Co Ltd
Current assignee: GDXL Precise Machinery Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-03-06
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a die lip cooling structure of a parallel double-layer water channel, which comprises a left die lip main body and a right die lip main body which are in mirror symmetry, a cooling water channel is arranged in the die lip main body, a forming curved surface for forming a bottle mouth is arranged on one side of the die lip main body, the cooling water channel is arranged at the periphery of the forming curved surface, the cooling water channel is of a double-layer structure and comprises a water inlet channel, a first upper-layer channel, a first parallel channel, a first lower-layer channel, a second parallel channel, a second upper-layer channel and a water outlet channel which are sequentially connected, the first upper layer channel and the second upper layer channel are arranged on the same horizontal plane, the first lower layer channel and the second lower layer channel are arranged on the same horizontal plane, the first upper-layer channel and the second upper-layer channel are respectively parallel to the second lower-layer channel and the first lower-layer channel.

Description

Die lip cooling structure of parallel double-layer water channel

Technical Field

The utility model relates to a die lip cooling structure, concretely relates to die lip cooling structure of double-deck water course of parallel.

Background

The die lip plays an important role in the PET (polyethylene terephthalate) bottle blank die, and the inner diameter of a blank opening and the thread of the blank opening are concentrated in the die lip. The inner diameter of the blank opening and the forming size of the blank opening screw teeth directly influence the sealing performance of the product. Because the PET molding temperature is higher, the molding shrinkage is large, and the production cycle is long, the cooling effect of the die lip is very important for the molding quality and the production cycle of bottle blank products.

At present, in the structural design of a cooling water channel of a die lip of a PET bottle blank die for quick multi-cavity, a single-layer cooling water channel is mostly adopted. For a die lip with a thicker middle part of the die lip, the single-layer water channel structure is insufficient for cooling the middle part. To address this problem, the patent application numbers: x, chinese utility model discloses a 201620111110, a double-deck water hole refrigerated structure of PET bottle base mould die lip is disclosed, specifically disclose the die lip and be equipped with bellied hollow cylinder for middle part both ends, this double-deck water hole refrigerated structure still includes the cooling water course that two sets of symmetries set up, each cooling water course of organizing includes the water inlet, the delivery port, be equipped with between water inlet and the delivery port and connect gradually and encircle the inlet opening around the well kenozooecium of die lip, first lower floor water hole, first upper water hole, second lower floor water hole and apopore. The double-layer water hole cooling structure of the die lip of the PET bottle blank die enhances the cooling of the die lip in the middle. But this double-deck water hole cooling die lip upper and lower floor water hole slope is crossed in the middle part, and there is no cooling water way to pass through the space in the lower extreme about the die lip middle part, does not reach the all-round cooling of die lip deep bid, and the cooling water way has reverse flow direction, influences the velocity of flow of coolant, and upper and lower floor water hole becomes space angle simultaneously, adds man-hour, is difficult to the clamping location.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a die lip cooling structure of a parallel double-layer water channel.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a die lip cooling structure of double-deck water course of parallel, includes the die lip main part of left and right halves mirror symmetry, be equipped with the cooling water course in the die lip main part, one side of die lip main part is equipped with the shaping curved surface that is used for the bottleneck shaping, the cooling water course sets up the periphery at the shaping curved surface, the cooling water course is bilayer structure, the cooling water course includes consecutive inlet channel, first upper passageway, first parallel channel, first lower floor's passageway, second parallel channel, second upper passageway, play water passageway, first upper passageway and second upper passageway set up on same horizontal plane, first lower passageway and second lower floor's passageway set up on same horizontal plane, first upper passageway and second upper passageway are parallel with second lower floor's passageway and first lower floor's passageway respectively.

The utility model discloses in, it is the obtuse angle to form the contained angle between first lower floor's passageway and the second lower floor's passageway, and the contained angle opening is towards the shaping curved surface.

The utility model discloses in, the central point of connection mirror image distribution about first lower floor's passageway and second lower floor's passageway between first parallel channel and the second parallel channel.

The utility model discloses in, the central point of connection mirror image about first lower floor's passageway and second lower floor's passageway distributes between inlet channel and the outlet channel.

The utility model discloses in, be equipped with the water inlet that communicates with inhalant canal, the delivery port that communicates with exhalant canal in the die lip main part.

The utility model discloses in, the side of die lip main part is equipped with the first fabrication hole that communicates with first upper channel, with the second fabrication hole of first lower floor's passageway intercommunication, with the third fabrication hole of second lower floor's passageway intercommunication, with the fourth fabrication hole of second upper channel intercommunication, be equipped with on the terminal surface of die lip main part with first UNICOM say the fifth fabrication hole of intercommunication, with the sixth fabrication hole of the parallelly connected passageway intercommunication of second.

The utility model has the advantages that: the utility model discloses a die lip cooling structure of double-deck water course of parallel, through the cooling water course project organization of double-deck parallel, make the cooling effect of die lip improve greatly, in the use, the coolant loops through the water inlet channel, first upper passageway, first parallel channel, first lower floor's passageway, the passageway of second lower floor, the parallel passageway of second, second upper passageway, exhalant canal form circulative cooling system, and the utility model discloses a corner between the cooling water course is the obtuse angle, avoids the coolant to change the direction in the cooling water course wide-angle, influences the velocity of flow of coolant, and upper and lower layer cooling water course is the plane setting, simplifies the processing of cooling water course.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural view of a cooling water channel according to the present embodiment;

FIG. 3 is a schematic structural view of a lip body according to the present embodiment;

FIG. 4 is a perspective view of the body of the die lip of this embodiment;

fig. 5 is a front view of the body of the die lip of this embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Example (b):

the embodiment discloses a die lip cooling structure of a parallel double-layer water channel, which comprises a die lip main body 1 with a left half mirror image and a right half mirror image, a cooling water channel 2 is arranged in the die lip main body 1, a forming curved surface 3 for forming a bottle mouth is arranged on one side of the die lip main body 1, the cooling water channel 2 is arranged at the periphery of the forming curved surface 3, the cooling water channel 2 is of a double-layer structure, the cooling water channel 2 comprises a water inlet channel 21, a first upper channel 22, a first parallel channel 23, a first lower channel 24, a second lower channel 25, a second parallel channel 26, a second upper channel 27 and a water outlet channel 28 which are connected in sequence, the first upper passage 22 and the second upper passage 27 are disposed on the same horizontal plane, the first lower passage 24 and the second lower passage 25 are disposed on the same horizontal plane, the first upper channels 22 and the second upper channels 27 are parallel to the second lower channels 25 and the first lower channels 24, respectively. Form the contained angle between first lower floor's passageway 24 and the second lower floor's passageway 25 and be the obtuse angle, the contained angle opening is towards shaping curved surface 3, cooling water course 2 project organization through double-deck parallel, make the cooling effect of die lip improve greatly, in the use, the coolant loops through into water passageway 21, first upper channel 22, first UNICOM says 23, first lower floor's passageway 24, second lower floor's passageway 25, second parallel channel 26, second upper channel 27, exhalant canal 28 forms circulative cooling system, and the utility model discloses a corner between cooling water course 2 is the obtuse angle, avoids the coolant to change the direction at cooling water course 2 middle and wide-angle, influences the velocity of flow of coolant, and upper and lower layer cooling water course 2 is the plane setting, simplifies the processing of cooling water course 2.

In a preferred embodiment, the first parallel channel 23 and the second parallel channel 26 are arranged in a mirror image with respect to the connecting center point of the first lower channel 24 and the second lower channel 25. The water inlet channel 21 and the water outlet channel 28 are distributed in a mirror image mode about the connecting central points of the first lower-layer channel 24 and the second lower-layer channel 25, and the included angle between the first parallel channel 23 and the second upper-layer channel 27 and the included angle between the first parallel channel 24 and the second lower-layer channel 27 are obtuse angles, so that the flowing of the coolant is smoother.

In a preferred embodiment, the die lip main body 1 is provided with a water inlet 11 communicated with the water inlet channel 21 and a water outlet 12 communicated with the water outlet channel 28. The side of die lip main part 1 is equipped with first fabrication hole 13 with first upper passageway 22 intercommunication, second fabrication hole 14 with first lower passageway 24 intercommunication, third fabrication hole 15 with second lower passageway 25 intercommunication, fourth fabrication hole 16 with second upper passageway 27 intercommunication, be equipped with on the terminal surface of die lip main part 1 with first UNICOM say 23 intercommunication fifth fabrication hole 17, with the sixth fabrication hole 18 of second parallel channel 26 intercommunication in the use, first fabrication hole 13, second fabrication hole 14, third fabrication hole 15, fourth fabrication hole 16, fifth fabrication hole 17 and sixth fabrication hole 18 pass through the end cap shutoff, and the processing location of cooling water course 2 can be simplified to above-mentioned fabrication hole, improves the production efficiency of the utility model.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The utility model provides a die lip cooling structure of double-deck water course of parallel, includes the die lip main part of controlling two halves mirror symmetry, be equipped with the cooling water course in the die lip main part, one side of die lip main part is equipped with the shaping curved surface that is used for the bottleneck shaping, the cooling water course sets up the periphery at the shaping curved surface, its characterized in that: the cooling water course is bilayer structure, the cooling water course is including consecutive inlet channel, first upper passageway, first parallel channel, first lower floor's passageway, second parallel channel, second upper passageway, the passageway of going out, first upper passageway and second upper passageway set up on same horizontal plane, first lower passageway and second lower floor's passageway set up on same horizontal plane, first upper passageway and second upper passageway are parallel with second lower floor's passageway and first lower floor's passageway respectively.

2. The die lip cooling structure of a parallel double-layer water channel according to claim 1, wherein: an included angle formed between the first lower-layer channel and the second lower-layer channel is an obtuse angle, and an opening of the included angle faces the forming curved surface.

3. A die lip cooling structure of a parallel double-layer water channel according to any one of claims 1 or 2, characterized in that: the first parallel channel and the second parallel channel are distributed in a mirror image mode about the connecting central point of the first lower layer channel and the second lower layer channel.

4. A die lip cooling structure of a parallel double-layer water channel according to any one of claims 1 or 2, characterized in that: the water inlet channel and the water outlet channel are distributed in a mirror image mode about the connecting central point of the first lower-layer channel and the second lower-layer channel.

5. A die lip cooling structure of a parallel double-layer water channel according to any one of claims 1 or 2, characterized in that: the die lip main body is provided with a water inlet communicated with the water inlet channel and a water outlet communicated with the water outlet channel.

6. The die lip cooling structure of a parallel double-layer water channel according to claim 5, wherein: the side face of the die lip main body is provided with a first process hole communicated with the first upper-layer channel, a second process hole communicated with the first lower-layer channel, a third process hole communicated with the second lower-layer channel and a fourth process hole communicated with the second upper-layer channel, and the end face of the die lip main body is provided with a fifth process hole communicated with the first parallel channel and a sixth process hole communicated with the second parallel channel.