CN215703673U

CN215703673U - Mould of yarn seat of large circular knitting machine

Info

Publication number: CN215703673U
Application number: CN202122118002.9U
Authority: CN
Inventors: 谢哲宇
Original assignee: Quanzhou Yuhao Powder Metallurgy Co ltd
Current assignee: Quanzhou Yuhao Powder Metallurgy Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-01
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a mould of a yarn seat of a circular knitting machine, which structurally comprises an upper mould and a lower mould, wherein the upper mould and the lower mould are matched with each other, the upper mould comprises a connecting seat, a connecting bolt, an upper mould main body, a heat insulation pad, a preheating pipe, an injection molding pipe and an upper mould cavity, the connecting seat is fixedly connected with the upper mould main body through the connecting bolt, the mould of the yarn seat of the circular knitting machine is improved by arranging the upper mould and the lower mould, most of the moulds are produced by adopting processing modes such as stamping and the like, the production efficiency is low, the production cost is high, the injection molding mode is adopted for processing, the production efficiency can be effectively improved, meanwhile, the feeding end of the upper mould is kept at high temperature, the physical condensation can be avoided, the feeding speed is improved, the blockage is avoided, a cooling device is arranged at the lower mould to quickly cool the physics, the production efficiency is improved, when the upper mould and the lower mould are contacted, the upper mould is heated temporarily, the cooling rate can be ensured.

Description

Mould of yarn seat of large circular knitting machine

Technical Field

The utility model relates to the field of large circular machines, in particular to a die of a yarn seat of a large circular machine.

Background

At present, the die specially used for production of the yarn seat of the circular knitting machine is not arranged in China, the circular knitting machine is produced mostly in processing modes such as stamping, the production efficiency is low, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, aiming at the problems, the utility model provides a die for a yarn seat of a large circular knitting machine, which solves the technical problems of low production efficiency and high production cost due to the fact that most of large circular knitting machines are produced by processing modes such as stamping and the like.

In order to achieve the purpose, the utility model adopts the following technical scheme: a mould of a yarn seat of a circular knitting machine structurally comprises an upper mould and a lower mould, wherein the upper mould and the lower mould are matched with each other, the upper mould comprises a connecting seat, a connecting bolt, an upper mould main body, a heat insulation pad, a preheating pipe, an injection molding pipe and an upper mould cavity, the connecting seat is fixedly connected with the upper mould main body through the connecting bolt, the heat insulation pad is arranged between the connecting seat and the upper mould main body, the right side of the upper mould main body is connected with the injection molding pipe, the injection molding pipe is communicated with the upper mould cavity through a connecting pipeline inside the upper mould main body, a preheating pipe is arranged above the connecting pipeline, the lower mould comprises a lower mould main body, a coolant connecting pipe, an internal coolant pipeline and a lower mould cavity, the internal coolant pipeline is arranged inside the lower mould main body, the left end and the right end of the internal coolant pipeline are respectively connected with the coolant connecting pipe, and the lower mould cavity is arranged on the upper surface of the lower mould main body, the lower die cavity is matched with the upper die cavity.

Further, the heat insulation pad is made of ceramic or asbestos with the thickness of 1-2 mm.

Further, the preheating pipe is arranged above the connecting pipeline, and the preheating pipe adopts high-temperature steam as a heating medium to preheat the upper die.

Further, the temperature of the steam in the preheating pipe is at least 100 ℃ lower than the melting temperature of the injection molding material.

Furthermore, the coolant introduced into the coolant connecting pipe of the lower die is tap water or cooling oil.

Further, the connecting pipeline is provided with at least 3 branch pipes connected to the upper die cavity.

Furthermore, the surfaces of the upper die cavity and the lower die cavity are hardened alloy surfaces.

By adopting the technical scheme, the utility model has the beneficial effects that: this mould of big circular knitting machine yarn seat has improved the processing mode such as the punching press of mostly adopting through the structure that sets up mould and lower mould and has produced, low production efficiency, the condition that manufacturing cost is high, adopt injection moulding's mode to handle, can effectual improvement production efficiency, and simultaneously, be the feed end at the last mould and keep high temperature, can avoid physics to condense, the feed rate has been improved, avoid blockking up, department sets up cooling device at the lower mould and makes the physics cool off fast, and then production efficiency has been improved, when last mould and lower mould contact, go up mould pause heating, can guarantee cooling rate.

Drawings

FIG. 1 is a schematic view of the upper die structure of the present invention;

FIG. 2 is a schematic view of the lower die structure of the present invention.

In the figure: 1. an upper die; 2. a lower die; 11. a connecting seat; 12. a connecting bolt; 13. an upper die main body; 14. a heat insulating pad; 15. preheating a pipe; 16. injection molding a tube; 17. an upper mold cavity; 21. a lower die main body; 22. a coolant connection pipe; 23. an internal coolant conduit; 24. and (4) a lower die cavity.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1-2, the embodiment provides a die for a yarn seat of a circular knitting machine, which structurally includes an upper die 1 and a lower die 2, where the upper die 1 and the lower die 2 are matched with each other, the upper die 1 includes a connecting seat 11, a connecting bolt 12, an upper die main body 13, a heat insulation pad 14, a preheating pipe 15, an injection molding pipe 16, and an upper die cavity 17, the connecting seat 11 is fixedly connected with the upper die main body 13 through the connecting bolt 12, the heat insulation pad 14 is disposed between the connecting seat 11 and the upper die main body 13, the right side of the upper die main body 13 is connected with the injection molding pipe 16, the injection molding pipe 16 is communicated with the upper die cavity 17 through a connecting pipe inside the upper die main body 13, a preheating pipe 15 is disposed above the connecting pipe, and the heating pipe 15 is disposed on the surface of the upper die 1 to achieve substantially the same effect;

the lower die 2 comprises a lower die main body 21, a coolant connecting pipe 22, internal coolant pipelines 23 and a lower die cavity 24, wherein the internal coolant pipelines 23 are arranged inside the lower die main body 21, the left end and the right end of each internal coolant pipeline 23 are respectively connected with the coolant connecting pipe 22, a lower die cavity 24 is arranged on the upper surface of the lower die main body 21, and the lower die cavity 24 is matched with the upper die cavity 17.

The heat insulation pad 14 is made of ceramic or asbestos with a thickness of 1-2 mm.

The preheating pipe 15 is arranged above the connecting pipeline, and the preheating pipe 15 adopts high-temperature steam as a heating medium to preheat the upper die 1.

The temperature of the steam of the preheating pipe 15 is at least 100 ℃ lower than the melting temperature of the material for injection molding.

The coolant introduced into the coolant connecting pipe 22 of the lower die 2 is tap water or cooling oil.

The connecting duct is provided with at least 3 branch pipes connected to the upper mold cavity 17.

The surfaces of the upper die cavity 17 and the lower die cavity 24 are hardened alloy surfaces.

This mould of big circular knitting machine yarn seat has improved the processing mode such as the punching press of mostly adopting through the structure that sets up mould 1 and lower mould 2 and has produced, low production efficiency, the condition that manufacturing cost is high, adopt injection moulding's mode to handle, can effectual improvement production efficiency, and simultaneously, at last mould 1 the feed end keeps high temperature promptly, can avoid the physics to condense, feeding rate has been improved, avoid blockking up, 2 department sets up cooling device at the lower mould makes the physics cool off fast, and then production efficiency has been improved, when

last mould

1 and 2 contacts of lower mould, go up mould 1 pause heating, can guarantee cooling rate.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a mould of big circular knitting machine yarn seat which characterized in that: the structure of the device comprises an upper die and a lower die, wherein the upper die and the lower die are matched with each other, the upper die comprises a connecting seat, a connecting bolt, an upper die main body, a heat insulation pad, a preheating pipe, an injection molding pipe and an upper die cavity, the connecting seat is fixedly connected with the upper die main body through the connecting bolt, the heat insulation pad is arranged between the connecting seat and the upper die main body, the right side of the upper die main body is connected with the injection molding pipe, the injection molding pipe is communicated with the upper die cavity through a connecting pipeline in the upper die main body, and a preheating pipe is arranged above the connecting pipeline;

the lower die comprises a lower die main body, a coolant connecting pipe, an internal coolant pipeline and a lower die cavity, wherein the internal coolant pipeline is arranged inside the lower die main body, the left end and the right end of the internal coolant pipeline are respectively connected with the coolant connecting pipe, the upper surface of the lower die main body is provided with a lower die cavity, and the lower die cavity is matched with the upper die cavity.

2. The die of the yarn seat of the large circular knitting machine as claimed in claim 1, wherein: the heat insulation pad adopts a ceramic or asbestos structure with the thickness of 1-2 mm.

3. The die of the yarn seat of the large circular knitting machine as claimed in claim 1, wherein: the preheating pipe is arranged above the connecting pipeline, and high-temperature steam is adopted as a heating medium to preheat the upper die by the preheating pipe.

4. The die of claim 3 for a rounding machine yarn seat, characterized in that: the temperature of the steam of the preheating pipe is at least 100 ℃ lower than the melting temperature of the injection molding material.

5. The die of the yarn seat of the large circular knitting machine as claimed in claim 1, wherein: and the coolant introduced into the coolant connecting pipe of the lower die is tap water or cooling oil.

6. The die of the yarn seat of the large circular knitting machine as claimed in claim 1, wherein: the connecting pipeline is provided with at least 3 branch pipes connected to the upper die cavity.

7. The die of the yarn seat of the large circular knitting machine as claimed in claim 1, wherein: the surfaces of the upper die cavity and the lower die cavity are hardened alloy surfaces.