CN219117630U

CN219117630U - Energy-saving type monofilament spinning die head heating device

Info

Publication number: CN219117630U
Application number: CN202220209252.5U
Authority: CN
Inventors: 郭海洋; 唐建明
Original assignee: Jiangsu Duwei New Material Science And Technology Co ltd
Current assignee: Jiangsu Duwei New Material Science And Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-26
Publication date: 2023-06-02
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses an energy-saving type monofilament spinning die head heating device, which comprises a die head body, a flange, a metering pump, a neck region, a distributing plate and a spinning plate, wherein the flange is arranged on the die head body; the heating cavity is formed between the outer shell and the die head body, the flange, the neck region and the metering pump, and is used for injecting heat conduction oil; the outer shell is provided with an oil filling port and an oil discharging port; the outer shell is provided with a plurality of electric heating pipes which are inserted into the heating cavity. The heating device provided by the utility model changes the independent heating mode of the original monofilament die head coexisting in the flange, the neck area, the die head body and the 4 units of the metering pump, changes the single-station heating mode of the heat conduction oil with the unified connecting structure, which is enclosed by the outer shell, and changes the traditional external heating ring mode into the heating mode of the built-in heating pipe, thereby obtaining more uniform process temperature and eliminating the heat loss of the external heating ring.

Description

Energy-saving type monofilament spinning die head heating device

Technical Field

The utility model relates to the technical field of spinning dies, in particular to an energy-saving type heating device for a monofilament spinning die.

Background

The structure of the original monofilament die head comprises a die head body, a flange and a metering pump, wherein the flange and the metering pump are connected with the die head body, and a neck area is formed between the flange and the die head body; the die body further includes a distribution plate and a spinneret fixed thereon by pressing with a pressing cover and a screw.

The original heating mode of the monofilament die head is single heating, and mainly heating is carried out at the outer side of the die head body, the outer side of the flange, the outer side of the neck area and the outer side of the metering pump. The external heating ring is simple in structure and easy to install, but the single heating ring is poor in heating uniformity and low in uniformity due to the influence of single control, and cannot achieve balanced stable heating effect, so that the spinning processing quality of the monofilament die head is greatly influenced. In addition, this way of heating alone also causes a certain waste of energy: the heating power of the die head body is 6KW, the heating power of the metering pump is 3KW, the heating power of the flange is 3KW, the heating power of the neck region is 1.5KW, and the total heating power is 13.5KW, so that the die head does not meet the standards of energy conservation and consumption reduction.

Therefore, how to provide a filament spinning die head heating device with good energy-saving effect and balanced heating effect is a problem to be solved by the technicians in the field.

Disclosure of Invention

In view of the above, the present utility model provides an energy-saving heating device for a filament spinning die head, which aims to solve the above technical problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an energy-saving type monofilament spinning die head heating device comprises a die head body, a flange and a metering pump, wherein the flange and the metering pump are connected with the die head body; a neck region is formed between the flange and the die head body; the die head body is fixedly connected with a distribution plate and a spinning plate through a gland and a screw; the metering pump is characterized by further comprising an outer shell body which is hermetically sleeved outside the die head body, the flange, the neck region and the metering pump, wherein a heating cavity is formed among the outer shell body, the die head body, the flange, the neck region and the metering pump, and the heating cavity is used for injecting heat conduction oil; the outer shell is provided with an oil filling port and an oil discharging port; and a plurality of electric heating pipes inserted into the heating cavity are arranged on the outer shell.

According to the technical scheme, the heating device provided by the utility model changes the independent heating mode of 4 units of the original monofilament die head coexisting in the flange, the neck region, the die head body and the metering pump, changes the single-station heating mode of the heat conduction oil with the unified connecting structure enclosed by the outer shell, changes the traditional external heating ring mode into the heating mode of the built-in through electric heating pipe, thereby obtaining more uniform process temperature and eliminating the heat loss of the external heating ring.

Preferably, in the energy-saving type filament spinning die head heating device, the number of the electric heating pipes is 8, and the electric heating pipes are annularly arranged on the outer shell. The arrangement form of the 8 electric heating pipes can enable the heat conduction oil in the outer shell to obtain more uniform process temperature.

Preferably, in the energy-saving type monofilament spinning die head heating device, an installation gap is formed between the outer side wall of the metering pump and the outer shell, a solid heat conducting carrier is filled in the lower portion of the installation gap, heat preservation cotton is filled in the upper portion of the installation gap, and the distance of the installation gap is 6-7 mm. The metering pump of the utility model is also in the heat transfer range of the heat conduction oil. For the convenience of installation, a 6-7mm unilateral installation gap is arranged around the metering pump, a solid heat conducting carrier is filled in the installation gap, and the upper heat insulating cotton is used for insulating heat, so that the outside of the die head is completely insulated in place.

Preferably, in the energy-saving type filament spinning die head heating device, the top wall of the outer shell is provided with an oil overflow port. The pressure in the heating chamber can be prevented from being excessively large.

Preferably, in the energy-saving type monofilament spinning die head heating device, the neck region is provided with a first temperature measuring port communicated with the internal flow passage, and a first temperature sensor is arranged in the first temperature measuring port. The die head body is far away from one end of the flange and is provided with a second temperature measuring port communicated with the internal flow passage, and a second temperature sensor is arranged in the second temperature measuring port. The first temperature sensor and the second temperature sensor can collect the temperature of the internal flow channel and control the heating effect.

Preferably, in the energy-saving type monofilament spinning die head heating device, a hanging screw rod is vertically fixed on the die head body; the hanging screw rod is fixedly connected with the top wall of the outer shell in a sealing manner. The hanging screw is used for hanging and fastening the die head body, and can be used as a structural support of the outer shell, and the thickness of the outer shell is about 5 mm, so that the structural stability of the outer shell is stronger.

Preferably, in the energy-saving type filament spinning die head heating device, the end face of the flange facing the neck region is provided with a plurality of heat conduction holes in an annular shape. Therefore, the heat conduction oil can enter the heat conduction holes, and the heat conduction oil is favorable for conducting heat to the flange.

Preferably, in the energy-saving type monofilament spinning die head heating device, the number of the heat conducting holes is 8, and the aperture is 20 mm. The quantity and the size of the heat conduction holes can meet the heat conduction requirement of the flange.

Compared with the prior art, the utility model discloses an energy-saving type monofilament spinning die head heating device, which has the following beneficial effects:

1. the heating device provided by the utility model changes the independent heating mode of the original monofilament die head coexisting in the flange, the neck area, the die head body and the 4 units of the metering pump, changes the single-station heating mode of the heat conduction oil with the unified connecting structure, which is enclosed by the outer shell, and changes the traditional external heating ring mode into the heating mode of the built-in heating pipe, thereby obtaining more uniform process temperature and eliminating the heat loss of the external heating ring.

2. The utility model has the advantage that the traditional heating mode of the single filament die head is fundamentally improved by utilizing the uniform characteristic of the temperature of the heat conduction oil in the same space.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of an energy-saving type filament spinning die head heating device provided by the utility model.

Wherein:

01-a die body; 02-a flange; 03-a metering pump; 04-neck region; 05-pressing cover; 06-a screw; 07-a distributor plate; 08-spinning plate; 09-an outer housing; 10-heating cavity; 11-an electric heating tube; 12-a solid heat conducting carrier; 13-insulating cotton; 14-an oil overflow port; 15-a first temperature measuring port; 16-a second temperature measuring port; 17-hanging the screw rod tightly; 18-heat conducting holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the embodiment of the utility model discloses an energy-saving type monofilament spinning die head heating device, which comprises a die head body 01, a flange 02 and a metering pump 03, wherein the flange 02 and the metering pump 03 are connected with the die head body 01; a neck region 04 is formed between the flange 02 and the die body 01; the die head body 01 is fixedly connected with a distributing plate 07 and a spinning plate 08 through a gland 05 and a screw 06; the die head comprises a die head body 01, a flange 02, a neck region 04 and an outer shell 09, wherein the outer shell 09 is sealed and arranged outside the die head body 01, the flange 02, the neck region 04 and the metering pump 03, a heating cavity 10 is formed between the die head body 01, the flange 02, the neck region 04 and the metering pump 03, and heat conduction oil is injected into the heating cavity 10; the outer shell 09 is provided with an oil filling port and an oil discharging port; the outer case 09 is provided with a plurality of electric heating pipes 11 inserted into the heating chamber 10.

In order to further optimize the above technical solution, the number of electric heating tubes 11 is 8 and is mounted on the outer shell 09 in a ring shape.

In order to further optimize the technical scheme, an installation gap is formed between the outer side wall of the metering pump 03 and the outer shell 09, a solid heat conducting carrier 12 is filled in the installation gap at the lower part, and heat preservation cotton 13 is filled in the upper part.

In order to further optimize the technical scheme, the distance of the installation gap is 6-7 mm.

To further optimise the solution described above, the top wall of the outer casing 09 is provided with an oil spill port 14.

In order to further optimize the above technical solution, the neck region 04 has a first temperature measuring port 15 communicating with the internal flow channel, and a first temperature sensor is installed in the first temperature measuring port 15.

In order to further optimize the technical scheme, one end of the die head body 01 far away from the flange 02 is provided with a second temperature measuring port 16 communicated with the internal flow passage, and a second temperature sensor is arranged in the second temperature measuring port 16.

In order to further optimize the technical scheme, a hanging screw 17 is vertically fixed on the die head body 01; the hanging screw 17 is fixedly connected with the top wall of the outer shell 09 in a sealing way.

In order to further optimize the above technical solution, a plurality of heat-conducting holes 18 are evenly provided in the shape of a ring on the end face of the flange 02 facing the neck region 04.

In order to further optimize the above technical solution, the number of the heat conduction holes 18 is 8, and the aperture is 20 mm.

The utility model mainly utilizes the built-in electric heating pipe 11 to lead the heat conduction oil to reach the process temperature, leads the whole die head to reach the same temperature, and changes the heating modes of four independent units of the prior traditional die head body 01, the metering pump 03, the flange 02 and the neck region 04. Because the built-in heating is also obvious in energy conservation, the heating power of the whole die head is only 6KW at present, compared with the traditional heating power, the heating power of the die head body 01 is 6KW, the heating power of the metering pump 03 is 3KW, the heating power of the flange 02 is 3KW, the heating power of the neck region 04 is 1.5KW, and the total heating power is 13.5KW, and the energy is saved by 7.5 KW. The energy is saved by 5.25KW as calculated by effective practical 0.7. The total energy-saving total amount of fourteen production lines of the company is 5.25 multiplied by 24 multiplied by 300 multiplied by 14= 529200 DEG, so that the calculation of 0.8 yuan/DEG is saved by 42 ten thousands of people each year, and the optimal point of the utility model is that the temperature of the whole die head is consistent, and the temperature difference caused by multi-zone heating is avoided.

The utility model is characterized in that firstly, external heating is changed into internal heating, and secondly, a multi-zone heating unit is changed into one-stop heating, thereby forming a novel energy-saving die head technology.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An energy-saving type monofilament spinning die head heating device comprises a die head body (01), a flange (02) connected with the die head body (01) and a metering pump (03); -a neck region (04) is formed between the flange (02) and the die body (01); the die head body (01) is fixedly connected with a distribution plate (07) and a spinning plate (08) through a gland (05) and a screw (06); the novel metering pump is characterized by further comprising an outer shell (09) which is sleeved on the outer side of the die head body (01), the flange (02), the neck region (04) and the metering pump (03) in a sealing manner, wherein a heating cavity (10) is formed between the outer shell (09) and the die head body (01), between the flange (02), between the neck region (04) and the metering pump (03), and is used for injecting heat conducting oil into the heating cavity (10); the outer shell (09) is provided with an oil filling port and an oil discharging port; a plurality of electric heating pipes (11) which are inserted into the heating cavity (10) are arranged on the outer shell (09).

2. An energy-efficient filament spinning die heating device according to claim 1, characterized in that the number of electric heating pipes (11) is 8 and is mounted in a ring shape on the outer housing (09).

3. An energy-saving type monofilament spinning die head heating device according to claim 1, wherein an installation gap is formed between the outer side wall of the metering pump (03) and the outer shell (09), a solid heat conducting carrier (12) is filled in the lower part of the installation gap, and heat preservation cotton (13) is filled in the upper part of the installation gap.

4. An energy efficient filament spinning die heating apparatus as claimed in claim 3, wherein said mounting gap is 6-7mm in distance.

5. An energy efficient filament spinning die heating apparatus as claimed in claim 1, wherein the top wall of said outer housing (09) has an oil spill port (14).

6. An energy efficient filament spinning die heating device according to claim 1, characterized in that the neck region (04) has a first temperature measuring port (15) communicating with the internal flow passage, a first temperature sensor being mounted in the first temperature measuring port (15).

7. An energy-saving type monofilament spinning die head heating device according to claim 1, wherein one end of the die head body (01) far away from the flange (02) is provided with a second temperature measuring port (16) communicated with an internal flow passage, and a second temperature sensor is arranged in the second temperature measuring port (16).

8. An energy-saving type monofilament spinning die head heating device according to claim 1, wherein a hanging screw (17) is vertically fixed on the die head body (01); the hanging screw rod (17) is fixedly connected with the top wall of the outer shell (09) in a sealing mode.

9. An energy-efficient filament spinning die head heating device according to claim 1, characterized in that a plurality of heat conducting holes (18) are evenly formed in an annular shape on the end surface of the flange (02) facing the neck region (04).

10. An energy efficient filament spinning die heating apparatus as claimed in claim 9, wherein the number of said heat conducting holes (18) is 8 and the pore size is 20 mm.