CN219195224U

CN219195224U - Temperature-control cold mixing and impact-resistant blanking system for fiber raw materials for hair

Info

Publication number: CN219195224U
Application number: CN202223427211.2U
Authority: CN
Inventors: 郑文青; 宣超; 丁俊好; 李占峰
Original assignee: Henan Rebecca Hair Products Co ltd
Current assignee: Henan Rebecca Hair Products Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-16
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a temperature-control cold mixing and impact-resistant blanking system for a fiber raw material for hair, which comprises a cold mixer, a conveying pipe, a bin and a screw extruder, wherein the conveying pipe is vertically arranged, a discharging hole at the lower side part of the cold mixer is connected with the upper side part of the conveying pipe, a lower port of the conveying pipe is connected with an upper port of the bin, a lower port of the bin is connected with a feeding hole of the screw extruder, a cold mixing temperature monitoring discharging device is arranged in the cold mixer, and a blanking and speed-reducing buffer device is arranged above the inside of the bin. The utility model has scientific principle and simple structure, can be additionally arranged at proper positions of the existing cold mixer and the stock bin, can solve the problem that the temperature of raw materials cannot be accurately controlled due to time control and the problem that the weighing is inaccurate due to vibration when the materials are discharged, improves the metering accuracy, ensures the product quality, controls the indexes of finished fibers within a standard range, further reduces the reworking phenomenon caused by unqualified color of the finished fibers, and provides great help for continuous production.

Description

Temperature-control cold mixing and impact-resistant blanking system for fiber raw materials for hair

Technical Field

The utility model belongs to the technical field of chemical fiber production, and particularly relates to a temperature-control cold mixing and impact-resistant blanking system for a raw material of a hair fiber.

Background

In the production process of the hair fiber, the production process flow comprises feeding, hot mixing, cold mixing, metering, extrusion, spinning, drafting and shaping, wherein the temperature of the raw materials reaches more than one hundred ℃ after hot mixing, and the raw materials cannot directly enter the next process step due to higher temperature, so that the cold mixing is an important production process, and the purpose of the cold mixing is to reduce the temperature of the hot mixed raw materials and to add some small molecular auxiliary materials. The cold mixing process and the metering process have the following technical problems:

1. at present, cold mixing process control is mainly based on cold mixing time, namely discharging is started after a certain time of cold mixing, and the temperature of raw materials cannot be determined, particularly, the temperature difference of raw materials in each pot and the original cold mixing difference of each batch are caused by the influence of ambient temperature. The prepared fibers have the difference of a dark color system and a light color system, and the difference of the temperature of cold mixed raw materials can cause the difference of fiber quality among the color systems.

2. The lack of accurate blanking measurement can lead to the situation that the color of the finished fiber is different, i.e. the color and the color cannot meet the requirements. The raw materials in the feed bin are input screw extruder after weighing through the weightlessness scale, and the feed inlet of screw extruder is connected with the feed inlet of feed bin lower port, and the weightlessness scale is established in the inside below of feed bin, because the raw materials from the conveying pipeline fall into the process of feed bin and have certain potential energy, potential energy conversion becomes kinetic energy, will produce great impact force to the weightlessness scale, leads to the shake phenomenon of weightlessness scale, finally leads to the weightlessness scale unloading to measure and has the error, and the proportion between required pigment and the main material just has the difference in the fibre, influences the unqualified problem of colour.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides the temperature-controlled cold mixing and anti-impact blanking system for the raw materials of the fiber for the hair, which can improve the metering precision and ensure that the quality of the fiber in each batch is not different by monitoring the cold mixing temperature of the raw materials.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a send out and use fibre raw materials control by temperature change cold to mix and protection to hit unloading system, includes cold mixer, conveying pipeline, feed bin and screw extruder, and the vertical setting of conveying pipeline, the bin outlet of cold mixer downside is connected with conveying pipeline upside, and the port is connected on conveying pipeline lower port and the feed bin, and the port is connected with screw extruder's feed inlet under the feed bin, is equipped with cold compounding temperature monitoring discharging device in the cold mixer, and the inside top of feed bin is equipped with blanking speed reduction buffer.

The cold mixing temperature monitoring and discharging device comprises a PLC controller, a temperature sensor, an electromagnetic discharging valve and a heat conduction protection pipe, wherein a through hole is formed in the center of a top plate of the cold mixer, the heat conduction protection pipe penetrates through the through hole and stretches into the cold mixer, a sealing ring in sealing fit with the outer circle of the heat conduction protection pipe is arranged in the through hole, the lower end of the heat conduction protection pipe is sealed, the upper end of the heat conduction protection pipe is open, the temperature sensor is arranged in the heat conduction protection pipe, the temperature sensor is connected with a signal input port of the PLC controller through a first signal wire, the electromagnetic discharging valve is connected with a signal output port of the PLC controller through a second signal wire, and the electromagnetic discharging valve is arranged at a discharging port of the lower side part of the cold mixer.

The outer circle of the sealing ring is provided with an annular groove along the circumferential direction, and the top plate stretches into and is clamped in the annular groove.

A stable bracket for placing the heat conduction protection tube to shake is arranged on the top plate; the stabilizing support comprises a positioning sleeve sleeved on the outer circle of the upper end of the heat conduction protection tube, four diagonal bracing positioning rods are uniformly arranged on the circumferential surface of the lower part of the positioning sleeve, a positioning plate is horizontally arranged at the lower end of each diagonal bracing positioning rod, and the positioning plate is fixedly connected with the top plate through four screws; the outer circle of the upper part of the heat conduction protection tube is provided with a positioning ring which is in pressure connection with the top surface of the positioning sleeve.

The lower end of the heat conduction protective tube is of a conical structure with a lower tip and an upper thick part; the upper port of the heat conduction protection tube is provided with a dust cover, and the dust cover is provided with a through hole for penetrating through the first signal wire.

The blanking speed-reducing buffer device comprises a fixed bracket, a movable bracket and a buffer mechanism, wherein the bottom of the fixed bracket is fixedly arranged on the ground of a workshop; the lower part of the movable support is arranged on the fixed support through the positioning fastening assembly, the movable support stretches into the bin, and the buffer mechanism is arranged on the movable support and is positioned at the center position in the bin.

The movable support comprises a vertical movable rod, a transverse movable rod and an inclined support movable rod, wherein the upper end of the vertical movable rod is fixedly connected with the right end of the transverse movable rod, the left end of the inclined support movable rod is arranged in a low-inclination mode, the left end of the inclined support movable rod is connected with the bottom of the transverse movable rod, the right end of the inclined support movable rod is connected with the left side of the vertical movable rod, a long guide hole is formed in the upper portion of the right side of the storage bin along the vertical direction, the transverse movable rod extends into the storage bin from the right side to the left side in a horizontal direction through the long guide hole, an upper flexible retaining cloth is arranged in the long guide hole, the upper end of the upper flexible retaining cloth is fixedly connected with the upper side of the long guide hole, a lower flexible retaining cloth is arranged in the long guide hole and is fixedly connected with the top of the transverse movable rod, and the upper end of the lower flexible retaining cloth is fixedly connected with the lower side of the long guide hole.

The bin wall of the bin is vertically provided with guide slits on the front side and the rear side of the long guide hole, and the front side and the rear side of the upper flexible blocking cloth and the front side and the rear side of the lower flexible blocking cloth extend into the guide slits on the same side;

the buffer mechanism comprises a guide sleeve, a spring, a guide rod and a conical cap, wherein the lower end of the guide sleeve is fixedly arranged at the top of the transverse movable rod, the upper end of the guide rod is fixedly connected with the top of the conical cap, the lower end of the guide rod is inserted in the guide sleeve in a sliding manner, the spring is sleeved outside the guide rod and the guide sleeve, and the lower end and the upper end of the spring are respectively in pressure connection with the bottom surface of the conical cap and the top of the transverse movable rod.

The fixed bolster includes vertical dead lever and bracing dead lever, and vertical dead lever lower extreme is fixed to be equipped with first connecting plate, and first connecting plate passes through first expansion bolts to be fixed on workshop ground, and the high low slope setting in left and right sides of bracing dead lever, bracing dead lever upper end and vertical dead lever upper end right side fixed connection, bracing dead lever lower extreme are fixed to be equipped with the second connecting plate, and the second connecting plate passes through second expansion bolts to be fixed on workshop ground.

The vertical fixed rod is a steel pipe with an opening at the upper end, and the lower end of the vertical movable rod is inserted into the vertical fixed rod;

the positioning and fastening assembly comprises a nut and a jackscrew, wherein the nut is in threaded connection with the vertical movable rod, the lower end of the nut is in press connection with the upper end of the vertical fixed rod, the jackscrew is in threaded connection with the upper side part of the vertical fixed rod, the inner end of the jackscrew is in press fit with the outer dome of the vertical movable rod, and the outer end of the jackscrew is provided with a hand wheel.

By adopting the technical scheme, the raw materials are in the cold mixer compounding process, the heat conduction protection tube with the temperature sensor is inserted into the raw materials by the sealing washer on the roof, the temperature sensor monitors the temperature signal transmission of the raw materials and gives the PLC controller, the temperature sensor is externally provided with the heat conduction protection tube, the heat conduction protection tube plays a role in protecting the temperature sensor from being damaged due to the fact that the temperature of the raw materials conveyed by hot mixing is higher and is stirred at a high speed, the service life of the temperature sensor is prolonged, the PLC controller sends an opening signal to the electromagnetic discharge valve when the temperature sensor continuously conveys signals to the PLC controller, the cold mixer can discharge materials, the consistency of the mixing temperature of each batch of raw materials in the cold mixer is guaranteed, and the melting mixing of small molecular substances is uniform and the mixing temperature is accurately controlled.

The raw materials discharged from the cold mixer fall into the bin downwards through the conveying pipe, and before falling into the bin, the raw materials firstly enter the bin after buffering kinetic energy through the buffering mechanism, so that vibration interference on the weightlessness is reduced and avoided. Because a certain potential energy exists in the process that the raw materials fall into the bin from the conveying materials, the potential energy can be converted into kinetic energy, so that gravity interference can be carried out on the weightless scale. The conical cap of the buffer mechanism is impacted by the raw materials, the spring is compressed downwards, the guide rod moves downwards in the guide sleeve, and the gravitational potential energy of the raw materials is converted into the elastic potential energy of the spring, so that the impact on the stock bin and the weightlessness scale is reduced, the phenomenon that the color of colored fibers is unqualified due to inaccurate measurement of the weightlessness scale is avoided, the problem of inaccurate fiber formula is solved, the device is simple and feasible, the problem of controlling the fiber quality is solved to a great extent, and great help is provided for continuous production. After the weightlessness is weighed and measured, the raw materials are sent into a screw extruder.

The structure of the sealing ring is firm in assembly with the top plate of the cold mixer, and the sealing ring is provided with a sealing surface larger than the heat conducting protection tube in the axial direction, so that the sealing effect is improved, and the heat energy loss in the cold mixer is avoided.

Because the heat conduction protection tube is longer, the stable support that consequently sets up to ensure that the raw materials when feeding or row material, when touching heat conduction protection tube lower extreme, the heat conduction protection tube has good stability.

The locating ring on the heat conducting protection pipe is used for limiting the depth of the heat conducting protection pipe extending into the cold mixer.

The conical structure at the lower end of the heat conduction protection tube not only can be conveniently inserted into the positioning sleeve and the sealing ring, but also is easier to insert downwards due to small resistance when the heat conduction protection tube enters into the raw materials in the cold mixer.

Because the horizontal movable rod is a cantilever structure extending into the storage bin, the inclined support movable rod is arranged to strengthen the space between the horizontal movable rod and the vertical movable rod, and the vertical fixed rod and the inclined support fixed rod are arranged on the fixed support to provide a stable foundation.

The height of the buffer mechanism can be adjusted by adjusting the depth of the lower part of the vertical movable rod inserted into the vertical fixed rod, namely, the buffer effect on raw materials can be adjusted according to the condition in the storage bin. The nut limits and adjusts the vertical movable rod and can not move downwards, and the inner end of the jackscrew is propped against the vertical movable rod, so that the vertical movable rod and the vertical fixed rod are connected into a whole.

When the buffer mechanism is adjusted up and down, the transverse movable rod moves up and down in the long guide hole to drive the upper flexible blocking cloth and the lower flexible blocking cloth to move up and down in the guide slot. The long guide holes are plugged by the arrangement of the upper flexible baffle cloth and the lower flexible baffle cloth, so that leakage of materials at the positions is avoided.

In conclusion, the utility model has scientific principle and simple structure, can be additionally arranged at the proper position of the existing cold mixer and the bin, can solve the problem that the temperature of raw materials cannot be accurately controlled due to time control and the problem that the weighing is inaccurate due to vibration when the materials are discharged, improves the metering accuracy, ensures the product quality, controls the index of finished fibers within a standard range, further reduces the reworking phenomenon caused by unqualified color and luster of the finished fibers, and provides great help for continuous production.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

Detailed Description

As shown in fig. 1, 2 and 3, the temperature-controlled cold mixing and impact-resistant blanking system for the raw materials of the fiber for the hair, disclosed by the utility model, comprises a cold mixer 35, a conveying pipe 22, a bin 2 and a screw extruder 9, wherein the conveying pipe 22 is vertically arranged, a discharge port at the lower side part of the cold mixer 35 is connected with the upper side part of the conveying pipe 22, a lower port of the conveying pipe 22 is connected with the upper port of the bin 2, the lower port of the bin 2 is connected with a feed port of the screw extruder 9, a cold mixing temperature-controlled discharge device is arranged in the cold mixer 35, and a blanking speed-reducing buffer device is arranged above the inside of the bin 2.

The cold mixing temperature monitoring and discharging device comprises a PLC (programmable logic controller) controller 31, a temperature sensor 32, an electromagnetic discharging valve 33 and a heat conducting protection tube 34, wherein a through hole is formed in the center of a top plate of a cold mixer 35, the heat conducting protection tube 34 penetrates through the through hole and stretches into the cold mixer 35, a sealing ring 36 in sealing fit with the outer circle of the heat conducting protection tube 34 is arranged in the through hole, the lower end of the heat conducting protection tube 34 is sealed, the upper end of the heat conducting protection tube is open, the temperature sensor 32 is arranged in the heat conducting protection tube 34, the temperature sensor 32 is connected with a signal input port of the PLC controller 31 through a first signal wire 37, the electromagnetic discharging valve 33 is connected with a signal output port of the PLC controller 31 through a second signal wire 38, and the electromagnetic discharging valve 33 is arranged at a discharging port of the lower side part of the cold mixer 35.

An annular groove 39 is formed in the outer circle of the sealing ring 36 along the circumferential direction, and the top plate extends into and is clamped in the annular groove 39.

A stable bracket for placing the heat conduction protection tube 34 to shake is arranged on the top plate; the stabilizing support comprises a positioning sleeve 40 sleeved on the outer circle of the upper end of the heat conduction protection tube 34, four diagonal bracing positioning rods 41 are uniformly arranged on the circumferential surface of the lower part of the positioning sleeve 40, a positioning plate 42 is horizontally arranged at the lower end of each diagonal bracing positioning rod 41, and the positioning plate 42 is fixedly connected with the top plate through four screws 43; the outer circle of the upper part of the heat conduction protection tube 34 is provided with a positioning ring 44, and the positioning ring 44 is in pressure connection with the top surface of the positioning sleeve 40.

The lower end of the heat conduction protective tube 34 is of a conical structure with a lower tip and an upper thick part; the upper port of the heat conduction protection tube 34 is provided with a dust cover 45, and the dust cover 45 is provided with a through hole for penetrating the first signal wire 37.

The blanking speed-reducing buffer device comprises a fixed bracket, a movable bracket and a buffer mechanism, wherein the bottom of the fixed bracket is fixedly arranged on the workshop floor 1; the lower part of the movable support is arranged on the fixed support through a positioning fastening assembly, the movable support stretches into the bin 2, and the buffer mechanism is arranged on the movable support and is positioned at the center position inside the bin 2.

The movable support comprises a vertical movable rod 3, a transverse movable rod 4 and an inclined support movable rod 5, wherein the upper end of the vertical movable rod 3 is fixedly connected with the right end of the transverse movable rod 4, the inclined support movable rod 5 is arranged in a vertically high-low inclined manner, the left end of the inclined support movable rod 5 is connected with the bottom of the transverse movable rod 4, the right end of the inclined support movable rod 5 is connected with the left side of the vertical movable rod 3, a long guide hole 6 is formed in the upper portion of the right side of the storage bin 2 along the vertical direction, the transverse movable rod 4 horizontally penetrates through the long guide hole 6 from right to left and stretches into the storage bin 2, an upper flexible retaining cloth 7 located above the transverse movable rod 4 is arranged in the long guide hole 6, the upper end of the upper flexible retaining cloth 7 is fixedly connected with the upper side of the long guide hole 6, the lower end of the upper flexible retaining cloth 7 is fixedly connected with the top of the transverse movable rod 4, a lower flexible retaining cloth 8 located below the transverse movable rod 4 is arranged in the long guide hole 6, the upper end of the lower flexible retaining cloth 8 is fixedly connected with the lower side of the long guide hole 6, and the lower end of the lower flexible retaining cloth 8 is fixedly connected with the bottom of the transverse movable rod 4.

The bin wall of the bin 2 is vertically provided with guide slits on the front side and the rear side of the long guide hole 6, and the front side and the rear side of the upper flexible retaining cloth 7 and the lower flexible retaining cloth 8 extend into the guide slits on the same side;

the buffer mechanism comprises a guide sleeve 10, a spring 11, a guide rod 12 and a conical cap 13, wherein the lower end of the guide sleeve 10 is fixedly arranged at the top of the transverse movable rod 4, the upper end of the guide rod 12 is fixedly connected with the top of the conical cap 13, the lower end of the guide rod 12 is slidably inserted into the guide sleeve 10, the spring 11 is sleeved outside the guide rod 12 and the guide sleeve 10, and the lower end and the upper end of the spring 11 are respectively in pressure connection with the bottom surface of the conical cap 13 and the top of the transverse movable rod 4.

The fixed bolster includes vertical dead lever 14 and bracing dead lever 15, and vertical dead lever 14 lower extreme is fixed to be equipped with first connecting plate 16, and first connecting plate 16 passes through first expansion bolts 17 to be fixed on workshop ground 1, and the low slope setting in bracing dead lever 15 left and right sides, bracing dead lever 15 upper end and vertical dead lever 14 upper end right side fixed connection, bracing dead lever 15 lower extreme is fixed to be equipped with second connecting plate 18, and second connecting plate 18 passes through second expansion bolts 19 to be fixed on workshop ground 1.

The vertical fixed rod 14 is a steel pipe with an opening at the upper end, and the lower end of the vertical movable rod 3 is inserted into the vertical fixed rod 14;

the positioning and fastening assembly comprises a nut 20 and a jackscrew 21, wherein the nut 20 is in threaded connection with the vertical movable rod 3, the lower end of the nut 20 is in pressure connection with the upper end of the vertical fixed rod 14, the jackscrew 21 is in threaded connection with the upper side part of the vertical fixed rod 14, the inner end of the jackscrew 21 is in press fit with the outer dome of the vertical movable rod 3, and a hand wheel is arranged at the outer end of the jackscrew 21.

In the mixing process of the cold mixer 35, the heat conduction protection tube 34 provided with the temperature sensor 32 is inserted into the raw materials through the sealing ring 36 on the top plate, the temperature signal of the raw materials monitored by the temperature sensor 32 is transmitted to the PLC 31, the heat conduction protection tube 34 is arranged outside the temperature sensor 32, the heat conduction protection tube 34 protects the temperature sensor 32 from being damaged due to the fact that the temperature of the raw materials conveyed by hot mixing is higher and is stirred at a high speed, the service life of the temperature sensor 32 is prolonged, in the process that the temperature sensor 32 continuously transmits signals to the PLC 31, when the set discharging temperature is reached, the PLC 31 transmits an opening signal to the electromagnetic discharging valve 33, the cold mixer 35 can discharge, the consistency of the mixing temperature of each batch of raw materials in the cold mixer 35 is guaranteed, and the melting and mixing temperature of small molecular substances are evenly controlled.

Raw materials discharged from the cold mixer 35 fall into the storage bin 2 from the material conveying pipe 22, and flow into the storage bin 2 after buffering kinetic energy through the buffering mechanism before falling into the storage bin 2, so that vibration interference on weightlessness is reduced and avoided. Because a certain potential energy exists in the process that the raw materials fall into the bin 2 from the conveying materials, the potential energy can be converted into kinetic energy, so that gravity interference can be carried out on the weightless scale. After the conical cap 13 of the buffer mechanism is impacted by the raw materials, the spring 11 is compressed downwards, the guide rod 12 moves downwards in the guide sleeve 10, and the gravitational potential energy of the raw materials is converted into the elastic potential energy of the spring 11, so that the impact on the storage bin 2 and the weightlessness scale is reduced, the phenomenon that the color of colored fibers is unqualified due to inaccurate measurement of the weightlessness scale is avoided, the problem of inaccurate fiber formula is solved, the device is simple and feasible, the problem of controlling the fiber quality is solved to a great extent, and great help is provided for continuous production. After the weight loss is weighed, the raw materials are fed into a screw extruder 9.

The sealing ring 36 is firmly assembled with the top plate of the cold mixer 35, and has a larger sealing surface with the heat conducting protection tube 34 in the axial direction, so that the sealing effect is improved, and the heat energy loss in the cold mixer 35 is avoided.

Because the heat conduction protection tube 34 is longer, the stable support is arranged to ensure that the heat conduction protection tube 34 has good stability when the raw materials touch the lower end of the heat conduction protection tube 34 during feeding or discharging.

The locating ring 44 on the heat conductive shield 34 serves to limit the depth to which the heat conductive shield 34 extends into the cold mixer 35.

The conical structure at the lower end of the heat conduction protection tube 34 not only can facilitate the insertion of the positioning sleeve 40 and the sealing ring 36, but also can facilitate the downward insertion due to small resistance when the materials enter the cold mixer 35.

Because the transverse movable rod 4 is of a cantilever structure extending into the storage bin 2, the inclined support movable rod 5 is arranged to strengthen the space between the transverse movable rod 4 and the vertical movable rod 3, and the vertical fixed rod 14 and the inclined support fixed rod 15 are arranged on the fixed support to provide a stable foundation.

The height of the buffer mechanism can be adjusted by adjusting the depth of the lower part of the vertical movable rod 3 inserted into the vertical fixed rod 14, namely, the buffer effect on the raw materials can be adjusted according to the condition in the storage bin 2. The nut 20 limits the vertical movable rod 3 to be regulated to be unable to move downwards, and the inner end of the jackscrew 21 presses the vertical movable rod 3, so that the vertical movable rod 3 and the vertical fixed rod 14 are connected into a whole.

When the buffer mechanism is adjusted up and down, the transverse movable rod 4 moves up and down in the long guide hole 6 to drive the upper flexible retaining cloth 7 and the lower flexible retaining cloth 8 to move up and down in the guide slot. The long guide holes 6 are plugged by the arrangement of the upper flexible baffle 7 and the lower flexible baffle 8, so that leakage of materials is avoided.

The cold mixer 35, the PLC controller 31, the temperature sensor 32 and the electromagnetic discharge valve 33 are all of the prior art, the specific structure and the working principle are not described in detail, and the automatic control does not need a new computer program.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a take place with fibrous raw materials control by temperature change cold mix and protection against shock unloading system which characterized in that: including cold mixer, conveying pipeline, feed bin and screw extruder, the vertical setting of conveying pipeline, the bin outlet of cold mixer downside is connected with conveying pipeline upside, and the port is connected on the conveying pipeline down with the feed bin, and the port is connected with screw extruder's feed inlet under the feed bin, is equipped with cold compounding temperature monitoring discharging device in the cold mixer, and the inside top of feed bin is equipped with blanking and slows down buffer.

2. The hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system according to claim 1, wherein the system is characterized in that: the cold mixing temperature monitoring and discharging device comprises a PLC controller, a temperature sensor, an electromagnetic discharging valve and a heat conduction protection pipe, wherein a through hole is formed in the center of a top plate of the cold mixer, the heat conduction protection pipe penetrates through the through hole and stretches into the cold mixer, a sealing ring in sealing fit with the outer circle of the heat conduction protection pipe is arranged in the through hole, the lower end of the heat conduction protection pipe is sealed, the upper end of the heat conduction protection pipe is open, the temperature sensor is arranged in the heat conduction protection pipe, the temperature sensor is connected with a signal input port of the PLC controller through a first signal wire, the electromagnetic discharging valve is connected with a signal output port of the PLC controller through a second signal wire, and the electromagnetic discharging valve is arranged at a discharging port of the lower side part of the cold mixer.

3. The hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system according to claim 2, characterized in that: the outer circle of the sealing ring is provided with an annular groove along the circumferential direction, and the top plate stretches into and is clamped in the annular groove.

4. The hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system according to claim 3, wherein: a stable bracket for placing the heat conduction protection tube to shake is arranged on the top plate; the stabilizing support comprises a positioning sleeve sleeved on the outer circle of the upper end of the heat conduction protection tube, four diagonal bracing positioning rods are uniformly arranged on the circumferential surface of the lower part of the positioning sleeve, a positioning plate is horizontally arranged at the lower end of each diagonal bracing positioning rod, and the positioning plate is fixedly connected with the top plate through four screws; the outer circle of the upper part of the heat conduction protection tube is provided with a positioning ring which is in pressure connection with the top surface of the positioning sleeve.

5. The hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system according to claim 4, wherein the hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system is characterized in that: the lower end of the heat conduction protective tube is of a conical structure with a lower tip and an upper thick part; the upper port of the heat conduction protection tube is provided with a dust cover, and the dust cover is provided with a through hole for penetrating through the first signal wire.

6. The hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system according to claim 1, wherein the system is characterized in that: the blanking speed-reducing buffer device comprises a fixed bracket, a movable bracket and a buffer mechanism, wherein the bottom of the fixed bracket is fixedly arranged on the ground of a workshop; the lower part of the movable support is arranged on the fixed support through the positioning fastening assembly, the movable support stretches into the bin, and the buffer mechanism is arranged on the movable support and is positioned at the center position in the bin.

7. The hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system according to claim 6, wherein the hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system is characterized in that: the movable support comprises a vertical movable rod, a transverse movable rod and an inclined support movable rod, wherein the upper end of the vertical movable rod is fixedly connected with the right end of the transverse movable rod, the left end of the inclined support movable rod is arranged in a low-inclination mode, the left end of the inclined support movable rod is connected with the bottom of the transverse movable rod, the right end of the inclined support movable rod is connected with the left side of the vertical movable rod, a long guide hole is formed in the upper portion of the right side of the storage bin along the vertical direction, the transverse movable rod extends into the storage bin from the right side to the left side in a horizontal direction through the long guide hole, an upper flexible retaining cloth is arranged in the long guide hole, the upper end of the upper flexible retaining cloth is fixedly connected with the upper side of the long guide hole, a lower flexible retaining cloth is arranged in the long guide hole and is fixedly connected with the top of the transverse movable rod, and the upper end of the lower flexible retaining cloth is fixedly connected with the lower side of the long guide hole.

8. The hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system according to claim 7, wherein: the bin wall of the bin is vertically provided with guide slits on the front side and the rear side of the long guide hole, and the front side and the rear side of the upper flexible blocking cloth and the front side and the rear side of the lower flexible blocking cloth extend into the guide slits on the same side;

9. The hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system according to claim 8, wherein: the fixed bolster includes vertical dead lever and bracing dead lever, and vertical dead lever lower extreme is fixed to be equipped with first connecting plate, and first connecting plate passes through first expansion bolts to be fixed on workshop ground, and the high low slope setting in left and right sides of bracing dead lever, bracing dead lever upper end and vertical dead lever upper end right side fixed connection, bracing dead lever lower extreme are fixed to be equipped with the second connecting plate, and the second connecting plate passes through second expansion bolts to be fixed on workshop ground.

10. The hair fiber raw material temperature-controlled cold mixing and impact-resistant blanking system according to claim 9, wherein: the vertical fixed rod is a steel pipe with an opening at the upper end, and the lower end of the vertical movable rod is inserted into the vertical fixed rod;