阅读说明：本技术 一种电力电缆生产用绝缘料无尘输送系统 (Power cable production is with dustless conveying system of insulating material ) 是由 胡俊 张健 纪天明 于 2019-09-23 设计创作，主要内容包括：本发明提出了一种电力电缆生产用绝缘料无尘输送系统,包括多个原料储罐、输送装置和挤出机,每个原料储罐分别通过一个原料输送管与输送装置相连接,输送装置通过输出管与挤出机相连接；原料储罐中的原材料通过原料输送管进入输送装置中,输送装置对原料进行混合搅拌后,将混合后的物料通过输出管转移至挤出机中；本发明用于输送绝缘料的原材料,提高了工作效率,保证了操作人员的人身安全。(The invention provides a dust-free insulating material conveying system for power cable production, which comprises a plurality of raw material storage tanks, a conveying device and an extruder, wherein each raw material storage tank is respectively connected with the conveying device through a raw material conveying pipe, and the conveying device is connected with the extruder through an output pipe; raw materials in the raw material storage tank enter a conveying device through a raw material conveying pipe, and the conveying device is used for mixing and stirring the raw materials and transferring the mixed materials to an extruder through an output pipe; the conveying device is used for conveying raw materials of insulating materials, improves the working efficiency and ensures the personal safety of operators.)

1. A dustless conveying system of insulating material for power cable production is characterized by comprising a plurality of raw material storage tanks, a conveying device and an extruder, wherein each raw material storage tank is respectively connected with the conveying device through a raw material conveying pipe, and the conveying device is connected with the extruder through an output pipe;

raw materials in the raw material storage tank enter the conveying device through the raw material conveying pipe, and after the conveying device mixes and stirs the raw materials, the mixed materials are transferred to the extruder through the output pipe.

2. The insulating material dust-free conveying system for the power cable production as claimed in claim 1, wherein the conveying device comprises a conveying device shell, a feeding cavity is vertically arranged in the conveying device shell, a mixing cavity and an adjusting cavity are vertically arranged on one side of the feeding cavity, the mixing cavity is arranged between the feeding cavity and the adjusting cavity, the tops of the mixing cavity and the adjusting cavity are flush with the top of the feeding cavity, and the heights of the mixing cavity and the adjusting cavity are smaller than the height of the feeding cavity;

the bottom of the mixing cavity and the bottom of the adjusting cavity are also provided with a buffer output cavity.

3. A dust-free insulating material conveying system for power cable production as claimed in claim 2, wherein a plurality of sets of feeding mechanisms are arranged in the feeding cavity, and each raw material storage tank corresponds to one feeding mechanism;

the feeding mechanism comprises a vertically arranged feeding channel, and the top of the feeding channel is provided with a first channel communicated with the top of the mixing cavity;

a first screw rod is rotatably arranged in the feeding channel, and the top of the first screw rod penetrates through the feeding cavity to be connected with an output shaft of a first motor;

a feeding pipe with one closed end is horizontally arranged below the feeding channel and communicated with the feeding channel, the closed end of the feeding pipe penetrates through the feeding cavity to be arranged outside, a feeding hole with an upward opening is formed in the pipe wall of the feeding pipe arranged outside the feeding cavity, and the feeding hole is connected with a raw material storage tank through a raw material conveying pipe;

a second screw rod is rotatably arranged in the feeding pipe and connected with an output shaft of a second motor;

the raw materials storage tank passes through the material conveying pipe and carries the raw materials to the conveying pipe through the feed inlet, and the second screw rod of second motor drive rotates, shifts the raw materials to the pay-off passageway from the conveying pipe in, and the first screw rod of first motor drive rotates, upwards promotes the raw materials in the pay-off passageway to first passageway play to shift the raw materials to the hybrid chamber in.

4. A dust-free insulating material conveying system for power cable production as claimed in claim 2 or 3, wherein the mixing chamber is provided with a first stirring group, a second stirring group and a third stirring group in sequence from top to bottom;

the first stirring group, the second stirring group and the third stirring group respectively comprise a plurality of stirring structures which are arranged in parallel, each stirring structure comprises a supporting shaft, the supporting shafts are horizontally and rotatably fixed in the mixing cavity, and a plurality of stirring blades are uniformly distributed on the supporting shafts;

the stirring blades of the second stirring group are simultaneously inserted between the two stirring blades of the first stirring group and the two stirring blades of the second stirring group.

5. The insulation material dust-free conveying system for power cable production as claimed in claim 4, wherein the supporting shaft of the first stirring group is inserted into the adjusting cavity and connected with the first gear, the supporting shaft of the second stirring group is inserted into the adjusting cavity and connected with the second gear, the supporting shaft of the third stirring group is inserted into the adjusting cavity and connected with the third gear, the second gear is respectively meshed with the first gear and the third gear, the outer diameters of the first gear and the third gear are equal, and the outer diameter of the second gear is larger than that of the first gear;

the fourth gear is coaxially fixed on the second gear and meshed with a fifth gear fixed on a third motor, and the third motor drives the fifth gear to rotate, so that the first stirring group, the second stirring group and the third stirring group synchronously rotate.

6. A dustless insulating material conveying system for power cable production as in claim 5, wherein the mixing chamber is communicated with the buffer output chamber through a second channel, a transfer pipe is arranged in the buffer output chamber, the transfer pipe comprises a first transfer pipe vertically arranged and a second transfer pipe horizontally connected to the bottom of the first transfer pipe, the top of the first transfer pipe is communicated with the second channel, and the open end of the second transfer pipe passes through the buffer output chamber and is arranged outside;

the open end of the second transfer pipe is connected with the extruder through an output pipe.

7. The dustless insulating material conveying system for power cable production as claimed in claim 6, wherein the connecting end of the second transfer pipe and the first transfer pipe is provided with an air inlet opening, the air inlet opening is provided with a filter screen, the air inlet pipe is connected with the air inlet opening, the air inlet pipe is connected with an air pump, and the air pump horizontally introduces compressed air into the second transfer pipe through the air inlet pipe so as to assist in transferring the mixed material.

8. The insulating material dust-free conveying system for the power cable production as claimed in claim 7, wherein a baffle is further arranged at the bottom of the mixing cavity, the baffle is pressed on the second channel, and one end of the baffle is inserted into the adjusting cavity and fixedly connected with a limiting plate;

the limiting plate is provided with an internal thread jack, the connecting rod provided with an external thread penetrates through the internal thread insert block of the limiting plate in a thread fit mode, the connecting rod is horizontally and rotatably fixed in the adjusting cavity, one end, far away from the mixing cavity, of the connecting rod is fixedly welded with a sixth gear, the sixth gear is connected with a seventh gear fixed on a fourth motor through a belt, and the fourth motor drives the seventh gear to rotate, so that the baffle plate moves to control the opening or closing of the second channel.

Technical Field

The invention relates to a conveying system, in particular to a dust-free insulating material conveying system for power cable production.

Background

The cable is widely applied to the field of electric power and communication, and plays an important role in promoting industrial equipment manufacturing, infrastructure construction and economic development. In the cable structure, the cable insulating layer has increased the bulk strength and the tensile ability of dragging of cable, has irreplaceable effect to performance and safety in utilization of cable performance. The cable insulating layer is prepared by adopting an extrusion process, and the insulating material is required to continuously and uniformly enter an extruder, so that the integral strength of the produced cable insulating layer can be ensured.

Disclosure of Invention

Aiming at the problems, the invention provides the insulating material dust-free conveying system for the power cable production, which is used for conveying the raw materials of the insulating material, improves the working efficiency and ensures the personal safety of operators.

The specific technical scheme is as follows:

a dustless conveying system of insulating materials for power cable production comprises a plurality of raw material storage tanks, a conveying device and an extruder, wherein each raw material storage tank is respectively connected with the conveying device through a raw material conveying pipe, and the conveying device is connected with the extruder through an output pipe;

raw materials in the raw material storage tank enter the conveying device through the raw material conveying pipe, and after the conveying device mixes and stirs the raw materials, the mixed materials are transferred to the extruder through the output pipe.

Furthermore, the conveying device comprises a conveying device shell, a feeding cavity is vertically arranged in the conveying device shell, a mixing cavity and an adjusting cavity are vertically arranged on one side of the feeding cavity, the mixing cavity is arranged between the feeding cavity and the adjusting cavity, the tops of the mixing cavity and the adjusting cavity are flush with the top of the feeding cavity, and the heights of the mixing cavity and the adjusting cavity are smaller than the height of the feeding cavity;

the bottom of the mixing cavity and the bottom of the adjusting cavity are also provided with a buffer output cavity.

Furthermore, a plurality of groups of feeding mechanisms are arranged in the feeding cavity, and each raw material storage tank corresponds to one feeding mechanism;

the feeding mechanism comprises a vertically arranged feeding channel, and the top of the feeding channel is provided with a first channel communicated with the top of the mixing cavity;

a first screw rod is rotatably arranged in the feeding channel, and the top of the first screw rod penetrates through the feeding cavity to be connected with an output shaft of a first motor;

a feeding pipe with one closed end is horizontally arranged below the feeding channel and communicated with the feeding channel, the closed end of the feeding pipe penetrates through the feeding cavity to be arranged outside, a feeding hole with an upward opening is formed in the pipe wall of the feeding pipe arranged outside the feeding cavity, and the feeding hole is connected with a raw material storage tank through a raw material conveying pipe;

a second screw rod is rotatably arranged in the feeding pipe and connected with an output shaft of a second motor;

the raw materials storage tank passes through the material conveying pipe and carries the raw materials to the conveying pipe through the feed inlet, and the second screw rod of second motor drive rotates, shifts the raw materials to the pay-off passageway from the conveying pipe in, and the first screw rod of first motor drive rotates, upwards promotes the raw materials in the pay-off passageway to first passageway play to shift the raw materials to the hybrid chamber in.

Further, a first stirring group, a second stirring group and a third stirring group are sequentially arranged in the mixing cavity from top to bottom;

the first stirring group, the second stirring group and the third stirring group respectively comprise a plurality of stirring structures which are arranged in parallel, each stirring structure comprises a supporting shaft, the supporting shafts are horizontally and rotatably fixed in the mixing cavity, and a plurality of stirring blades are uniformly distributed on the supporting shafts;

the stirring blades of the second stirring group are simultaneously inserted between the two stirring blades of the first stirring group and the two stirring blades of the second stirring group.

Furthermore, a supporting shaft of the first stirring group is inserted into the adjusting cavity and connected with the first gear, a supporting shaft of the second stirring group is inserted into the adjusting cavity and connected with the second gear, a supporting shaft of the third stirring group is inserted into the adjusting cavity and connected with the third gear, the second gear is respectively meshed with the first gear and the third gear, the outer diameters of the first gear and the third gear are equal, and the outer diameter of the second gear is larger than that of the first gear;

the fourth gear is coaxially fixed on the second gear and meshed with a fifth gear fixed on a third motor, and the third motor drives the fifth gear to rotate, so that the first stirring group, the second stirring group and the third stirring group synchronously rotate.

Furthermore, the mixing cavity is communicated with the buffer output cavity through a second channel, a transfer pipe is arranged in the buffer output cavity and comprises a first transfer pipe and a second transfer pipe, the first transfer pipe is vertically arranged, the second transfer pipe is horizontally connected to the bottom of the first transfer pipe, the top of the first transfer pipe is communicated with the second channel, and the open end of the second transfer pipe penetrates through the buffer output cavity and is arranged outside;

the open end of the second transfer pipe is connected with the extruder through an output pipe.

Furthermore, the connecting end of the second transfer pipe and the first transfer pipe is provided with an air inlet opening, a filter screen is arranged on the air inlet opening, the air inlet pipe is connected with an air pump, and the air pump horizontally introduces compressed air into the second transfer pipe through the air inlet pipe so as to assist in transferring the mixed materials.

Furthermore, the bottom of the mixing cavity is also provided with a baffle which is pressed on the second channel, and one end of the baffle is inserted into the adjusting cavity and is fixedly connected with a limiting plate;

the limiting plate is provided with an internal thread jack, the connecting rod provided with an external thread penetrates through the internal thread insert block of the limiting plate in a thread fit mode, the connecting rod is horizontally and rotatably fixed in the adjusting cavity, one end, far away from the mixing cavity, of the connecting rod is fixedly welded with a sixth gear, the sixth gear is connected with a seventh gear fixed on a fourth motor through a belt, and the fourth motor drives the seventh gear to rotate, so that the baffle plate moves to control the opening or closing of the second channel.

The working principle of the invention is as follows:

1) the plurality of principle storage tanks are respectively used for storing different raw materials for preparing the insulating material;

2) the raw material storage tank conveys the raw material into the feeding pipe through the feeding hole through the raw material conveying pipe, the second motor drives the second screw rod to rotate and transfers the raw material into the feeding channel from the feeding pipe, the first motor drives the first screw rod to rotate and lifts the raw material in the feeding channel upwards to the first channel to be discharged, and therefore the raw material is transferred into the mixing cavity;

3) the raw materials enter the mixing cavity, enter the transfer pipe after being mixed and stirred by the first stirring group, the second stirring group and the third stirring group, and are transferred to the extruder from the transfer pipe for extrusion molding.

The invention has the beneficial effects that:

1) the whole conveying process is finished in a closed environment, dust is effectively avoided, and the conveying device is more environment-friendly;

2) the invention can be used for conveying and stirring raw materials for mixing insulating materials, improves the working efficiency and ensures the personal safety of operators.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a cross-sectional view of the delivery device;

fig. 3 is an enlarged view of a portion a of fig. 2.

Reference numerals:

the device comprises a raw material storage tank 1, a conveying device 2, an extruder 3, a raw material conveying pipe 4 and an output pipe 5;

the device comprises a conveying device shell 201, a feeding cavity 202, a mixing cavity 203, an adjusting cavity 204, a buffer output cavity 205, a feeding mechanism 206, a feeding channel 207, a first channel 208, a first screw 209, a first motor 210, a feeding pipe 211, a feeding port 212, a second screw 213, a second motor 214, a first stirring group 215, a second stirring group 216, a third stirring group 217, a supporting shaft 218, a stirring blade 219, a first gear 220, a second gear 221, a third gear 222, a fourth gear 223, a third motor 224, a fifth gear 225, a transfer pipe 226, a first transfer pipe 227, a second transfer pipe 228, an air inlet 229, a filter screen 230, an air pump 231 and a second channel 232;

the device comprises a baffle 401, a limit plate 402, a connecting rod 403, a sixth gear 404, a belt 405, a fourth motor 406 and a seventh gear 407.

Detailed Description

In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention.

As shown in the figure, the insulating material dust-free conveying system for power cable production comprises a plurality of raw material storage tanks 1, a conveying device 2 and an extruder 3, wherein each raw material storage tank is respectively connected with the conveying device through a raw material conveying pipe 4, and the conveying device is connected with the extruder through an output pipe 5;

raw materials in the raw material storage tank enter the conveying device through the raw material conveying pipe, and after the conveying device mixes and stirs the raw materials, the mixed materials are transferred to the extruder through the output pipe.

Further, the conveying device comprises a conveying device shell 201, a feeding cavity 202 is vertically arranged in the conveying device shell, a mixing cavity 203 and an adjusting cavity 204 are vertically arranged on one side of the feeding cavity, the mixing cavity is arranged between the feeding cavity and the adjusting cavity, the tops of the mixing cavity and the adjusting cavity are flush with the top of the feeding cavity, and the heights of the mixing cavity and the adjusting cavity are smaller than the height of the feeding cavity;

the mixing chamber and the bottom of the regulating chamber are also provided with a buffer output chamber 205.

Furthermore, a plurality of groups of feeding mechanisms 206 are arranged in the feeding cavity, and each raw material storage tank corresponds to one feeding mechanism;

the feeding mechanism comprises a vertically arranged feeding channel 207, and the top of the feeding channel is provided with a first channel 208 communicated with the top of the mixing cavity;

a first screw 209 is rotatably arranged in the feeding channel, and the top of the first screw passes through the feeding cavity and is connected with an output shaft of a first motor 210;

a feeding pipe 211 with one closed end is horizontally and communicated below the feeding channel, the closed end of the feeding pipe penetrates through the feeding cavity to be arranged outside, a feeding hole 212 with an upward opening is formed in the pipe wall of the feeding pipe arranged outside the feeding cavity, and the feeding hole is connected with the raw material storage tank through a raw material conveying pipe;

a second screw rod 213 is rotatably arranged in the feeding pipe and is connected with an output shaft of a second motor 214;

the raw materials storage tank passes through the material conveying pipe and carries the raw materials to the conveying pipe through the feed inlet, and the second screw rod of second motor drive rotates, shifts the raw materials to the pay-off passageway from the conveying pipe in, and the first screw rod of first motor drive rotates, upwards promotes the raw materials in the pay-off passageway to first passageway play to shift the raw materials to the hybrid chamber in.

Further, a first stirring group 215, a second stirring group 216 and a third stirring group 217 are sequentially arranged in the mixing cavity from top to bottom;

the first stirring group, the second stirring group and the third stirring group respectively comprise a plurality of stirring structures which are arranged in parallel, each stirring structure comprises a supporting shaft 218, each supporting shaft is horizontally and rotatably fixed in the mixing cavity, and a plurality of stirring blades 219 are uniformly distributed on each supporting shaft;

the stirring blades of the second stirring group are simultaneously inserted between the two stirring blades of the first stirring group and the two stirring blades of the second stirring group.

Further, the supporting shaft of the first stirring group is inserted into the adjusting cavity and connected with the first gear 220, the supporting shaft of the second stirring group is inserted into the adjusting cavity and connected with the second gear 221,

the supporting shaft of the third stirring group is inserted into the adjusting cavity and connected with a third gear 222, the second gear is respectively meshed with the first gear and the third gear, the outer diameters of the first gear and the third gear are equal, and the outer diameter of the second gear is larger than that of the first gear;

a fourth gear 223 is coaxially fixed on the second gear, the fourth gear is meshed with a fifth gear 225 fixed on a third motor 224, and the third motor drives the fifth gear to rotate, so that the first stirring group, the second stirring group and the third stirring group synchronously rotate.

Further, the mixing cavity is communicated with a buffer output cavity through a second channel 232, a transfer pipe 226 is arranged in the buffer output cavity, the transfer pipe comprises a first transfer pipe 227 which is vertically arranged and a second transfer pipe 228 which is horizontally connected to the bottom of the first transfer pipe, the top of the first transfer pipe is communicated with the second channel, and the open end of the second transfer pipe penetrates through the buffer output cavity to be arranged outside;

the open end of the second transfer pipe is connected with the extruder through an output pipe.

Further, an air inlet opening 229 is formed in the connecting end of the second transfer pipe and the first transfer pipe, a filter screen 230 is arranged on the air inlet opening, the air inlet pipe is connected with an air pump 231, and the air pump horizontally introduces compressed air into the second transfer pipe through the air inlet pipe, so that the mixed materials are assisted to be transferred.

Further, a baffle 401 is arranged at the bottom of the mixing cavity, the baffle is pressed on the second channel, and one end of the baffle is inserted into the adjusting cavity and fixedly connected with a limiting plate 402;

the limiting plate is provided with an internal thread jack, a connecting rod 403 provided with an external thread penetrates through the internal thread jack of the limiting plate through thread fit, the connecting rod is horizontally and rotatably fixed in the adjusting cavity, one end, away from the mixing cavity, of the connecting rod is fixedly welded with a sixth gear 404, the sixth gear is connected with a seventh gear 407 fixed on a fourth motor 406 through a belt 405, and the fourth motor drives the seventh gear to rotate, so that the baffle is moved to control the opening or closing of the second channel.

The working principle of the invention is as follows:

1) the plurality of principle storage tanks are respectively used for storing different raw materials for preparing the insulating material;

2) the raw material storage tank conveys the raw material into the feeding pipe through the feeding hole through the raw material conveying pipe, the second motor drives the second screw rod to rotate and transfers the raw material into the feeding channel from the feeding pipe, the first motor drives the first screw rod to rotate and lifts the raw material in the feeding channel upwards to the first channel to be discharged, and therefore the raw material is transferred into the mixing cavity;

3) the raw materials enter the mixing cavity, enter the transfer pipe after being mixed and stirred by the first stirring group, the second stirring group and the third stirring group, and are transferred to the extruder from the transfer pipe for extrusion molding.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention.