CN210580946U

CN210580946U - Temperature control device of double-screw bulking machine

Info

Publication number: CN210580946U
Application number: CN201921637042.0U
Authority: CN
Inventors: 张松; 康汝涛; 位书强; 李正罡
Original assignee: Shandong Dongxuya Mechanical Equipment Co Ltd
Current assignee: Shandong Dongxuya Mechanical Equipment Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-05-22
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a temperature control device of a double-screw extruder, which comprises a heating mechanism arranged on the outer wall of a machine barrel and used for heating the interior of the machine barrel, and a cooling mechanism arranged on the machine barrel and used for reducing the temperature of the interior of the machine barrel; the heating mechanism comprises a plurality of groups of heating sleeve plates arranged on different area sections of the machine barrel, and the heating sleeve plates are fixedly sleeved on the outer wall of the machine barrel through sleeve plate fixing parts; the cooling mechanism comprises a plurality of heat dissipation water pipes which are arranged corresponding to the heating sleeve plate areas, and the heat dissipation water pipes are connected in the machine barrel. The multiple groups of heating sleeve plates are arranged in different area sections of the machine barrel, and when the machine barrel works, the heating mechanism can heat the area with the temperature lower than the temperature required by material processing in the machine barrel. The heat dissipation water pipe is connected in the machine barrel corresponding to the heating sleeve plate, so that the cooling mechanism can cool the region of the machine barrel, the temperature of which is higher than the temperature required by material processing. The temperature control device can effectively control the temperature in the machine barrel, so that the temperature in the machine barrel is kept in a proper range required in the material processing process.

Description

Temperature control device of double-screw bulking machine

Technical Field

The utility model relates to a food production facility technical field, concretely relates to temperature regulating device of double screw bulking machine.

Background

The double-screw puffing machine belongs to a device for processing puffed food, and mainly comprises a machine barrel with threads and a screw rod arranged in the machine barrel in a penetrating way. The inner chamber of during operation barrel easily produces high temperature and forms popped chamber, and popped chamber is the most core position of bulking machine. After the material enters the puffing cavity from one end of the machine barrel, the material is extruded and rubbed with the machine barrel through the screw rod, so that the temperature of the material in the puffing cavity reaches 130 ℃, and the material is puffed in the environment of the puffing cavity; the puffing cavity can be divided into three sections in the working state: the working principle of the three cavities is that materials are extruded and rubbed, and only the extrusion friction degrees caused by different screw pitches are different, so that the internal pressure and the temperature are different. Wherein the temperature of the feeding section can reach about 90 ℃, the temperature of the compression section can reach about 110 ℃, and the temperature of the extrusion section can reach about 130 ℃.

In the bulking process, the temperature in the bulking cavity has the greatest influence on the bulking efficiency of the material, and the temperature in the bulking cavity is controlled by the temperature when the temperature in the bulking cavity is too high or too low, so that the processing quality of the material is ensured. In the prior art, for example, the Chinese invention with the patent publication number of CN105380295A provides a screw type food bulking machine, wherein a sprinkler and a heater are arranged on an extrusion section of the bulking machine and are used for controlling the temperature of extruded materials. However, because the suitable processing temperature ranges required by different materials in different stages in the puffing chamber are different, the temperature in the puffing chamber of the machine barrel is difficult to control by the scheme, and the processing quality is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a temperature regulating device of twin-screw bulking machine can make the temperature in the barrel be controlled in the required processing temperature scope of material through cooling mechanism and heating mechanism's setting.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a temperature control device of a double-screw extruder comprises a heating mechanism arranged on the outer wall of a machine barrel and used for heating the interior of the machine barrel, and a cooling mechanism arranged on the machine barrel and used for reducing the temperature of the interior of the machine barrel, wherein the heating mechanism comprises a plurality of groups of heating sleeve plates arranged on different section sections of the machine barrel, and the heating sleeve plates are fixedly sleeved on the outer wall of the machine barrel through sleeve plate fixing pieces; the cooling mechanism comprises a plurality of heat dissipation water pipes which are arranged corresponding to the heating sleeve plate areas, and the heat dissipation water pipes are all sleeved in the machine barrel.

Through adopting above-mentioned technical scheme, multiunit heating lagging sets up the different zone sections at the barrel, and the material is processed man-hour in the barrel, and heating mechanism can heat the region that the temperature is less than the required temperature of material processing in the barrel. Simultaneously, the heat dissipation water pipe is connected in the barrel corresponding to the heating sleeve plate, so that the cooling mechanism can cool the region of the barrel, the temperature of which is higher than the temperature required by material processing. The temperature control device can effectively control the temperature in the machine barrel, so that the temperature in the machine barrel is kept in a proper range required in the material processing process.

The utility model discloses further set up to: the heating sleeve plate comprises two semicircular arc-shaped heating plates, one ends of the heating plates are rotatably connected, the inner diameters of the heating plates are consistent with the outer diameter of the machine barrel, and the free ends of the heating plates are fixedly connected with the sleeve plate fixing piece.

Through adopting above-mentioned technical scheme, the lagging mounting can be with heating lagging fixed connection on the barrel outer wall for heating the lagging acts on the barrel. The hot plate is established into circular-arc and internal diameter and barrel diameter size unanimity to make the hot plate can laminate with the barrel at the during operation, make hot plate during operation heating efficiency can improve, hot plate rotation connects can make things convenient for the staff dismouting.

The utility model discloses further set up to: the lagging mounting includes fixed lock and lock sleeve, and the lock sleeve is provided with two and corresponds the both sides that set up at the hot plate free end, and fixed lock includes locking lever and drive assembly, the locking lever is provided with two and slides with the lock sleeve of both sides respectively and cup joints, drive assembly fixed connection is used for driving two relative or opposite motions of locking lever on the hot plate.

By adopting the technical scheme, the locking rod is sleeved in the lock sleeve, so that the heating sleeve plate is sleeved on the outer surface of the machine barrel. When the drive assembly drives the locking rod to move relatively, the locking rod is separated from the lock sleeve under the action of the drive piece, so that the heating sleeve plate can be detached from the machine barrel. Similarly, the heating sleeve plate is arranged on the machine barrel, and after the driving assembly drives the locking rod to move reversely, the locking rod enters the locking sleeve under the action of the driving assembly to sleeve the heating sleeve plate on the machine barrel.

The utility model discloses further set up to: the position fixedly connected with pole cover that lies in between two lock covers on the hot plate, the locking lever slides and cup joints in the pole cover, drive assembly includes locking spring, knob and locking wire, the knob is rotated and is connected on the pole cover, locking wire and locking spring all set up in the pole cover, and the both ends of locking wire both ends and locking spring are equallyd divide and are do not fixedly connected on locking lever and knob.

Through adopting above-mentioned technical scheme, when heating the lagging and need be fixed on the barrel, rotatory knob, the lockwire will twine on the knob after receiving the effect of knob, and then drives locking lever compression locking spring for aim at the lock sleeve after partly entering the rod cover of locking lever, later loosen the knob, spring deformation takes place to resume, and the locking lever is partly supported into the lock sleeve by the locking spring this moment, will heat the lagging and fix on the barrel.

When the heating sleeve plate needs to be detached from the machine barrel, the knob is rotated, the locking wire is wound on the knob to drive the locking rod to enter the rod sleeve, so that the locking rod is separated from the lock sleeve, and the heating sleeve plate is detached from the machine barrel. The driving assembly is arranged, so that the convenience of assembling and disassembling the heating sleeve plate is improved.

The utility model discloses further set up to: the cooling mechanism is including seting up the water pipe chamber in the barrel, water pipe intracavity fixedly connected with division board, the division board divide into a plurality of sub-lumens that correspond with the heating lagging with the water pipe chamber, the heat dissipation water pipe is the helical arrangement respectively in sub-lumens, the sub-lumen is passed and corresponds the intercommunication respectively at heat dissipation water pipe both ends and have inlet tube, outlet pipe, inlet tube and outlet pipe correspondence are connected with the water pump.

Through adopting above-mentioned technical scheme, the setting of heat dissipation water pipe, inlet tube, outlet pipe and water pump has constituted a cooling cycle. The water pipe cavity is arranged on the side wall of the machine barrel, so that the cooling mechanism is closer to the inner cavity of the machine barrel, and the cooling efficiency of the cooling mechanism is improved. The setting of sub-pipe chamber makes cooling mechanism can carry out cooling control to the different zone sections of barrel.

The utility model discloses further set up to: cooling mechanism still includes fan assembly, fan assembly includes the fan frame, installs a plurality of fans in the fan frame, corresponds the fan position on the fan frame and all is provided with the air outlet, the outlet pipe corresponds different air outlets.

Through adopting above-mentioned technical scheme, the air outlet that the air current accessible that the fan during operation produced corresponds acts on the outlet pipe for coolant liquid rapid cooling in the outlet pipe, and then improved cooling mechanism's cooling efficiency.

The utility model discloses further set up to: the fan frame all is equipped with a plurality of connecting holes in each wind gap department of going out, the outlet pipe corresponds and is connected with the water pump after passing a plurality of connecting holes of air outlet position.

Through adopting above-mentioned technical scheme, the outlet pipe passes and connects on the fan frame after corresponding a plurality of connecting holes of air outlet department, and the fan during operation can increase and correspond the active area of outlet pipe, and then improves the radiating efficiency, the energy saving.

The utility model discloses further set up to: and temperature sensors are arranged in the sub-pipe cavities and are connected with the corresponding water pumps, fans and heating sleeve plates through electric signals.

Through adopting above-mentioned technical scheme, temperature sensor detectable arrives the temperature in the sub-lumen of place, just can carry to corresponding water pump, fan and heating lagging when detecting the high temperature through the signal of telecommunication, makes corresponding water pump and fan start work cooling, and simultaneously, the hot plate that corresponds will stop heating. When the temperature sensor detects that the temperature of the sub-tube cavity is lower than the temperature required by the raw material, the temperature sensor transmits the detected signal to the corresponding heating sleeve plate, the water pump and the fan, the heating sleeve plate starts to heat until the temperature required by the raw material is reached, and then the water pump and the fan do not work. But temperature sensor's setting makes the temperature in the barrel realize automatically regulated, has also improved temperature regulation's accuracy nature simultaneously, has reduced artifical intensity of labour.

The utility model discloses further set up to: and the surface of the machine barrel shell is provided with a shell door.

Through adopting above-mentioned technical scheme, can make things convenient for the staff to carry out dismouting repair to the facility in the water pipe chamber after opening the shell door.

To sum up, the utility model discloses a beneficial technological effect does:

the temperature control device is arranged, so that when the material is processed in the machine barrel, the region with the temperature lower or higher than the temperature required by the material processing in the machine barrel can be heated or cooled, and the internal temperature of the machine barrel is kept in a proper range required in the material processing process.

2. But temperature sensor's setting makes the temperature in the barrel realize automatically regulated, has also improved temperature regulation's accuracy nature simultaneously, has reduced artifical intensity of labour.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the heating deck of the present invention.

Fig. 3 is a schematic structural diagram of the fan assembly of the present invention.

The reference symbols: 1. a housing door; 2. a water pump; 3. heating the sleeve plate; 4. a strap retainer; 5. a heat dissipation water pipe; 6. a barrel; 7. heating plates; 8. fixing a lock; 9. a lock sleeve; 10. a lock lever; 11. a drive assembly; 12. a locking spring; 13. a knob; 14. locking the wire; 15. a rod sleeve; 16. a water lumen; 17. a separator plate; 18. a sub-lumen; 19. a water inlet pipe; 20. a water outlet pipe; 21. a fan assembly; 22. a fan frame; 23. a fan; 24. an air outlet; 25. connecting holes; 26. a temperature sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, for the utility model discloses a temperature regulating device of twin-screw bulking machine, including setting up the heating mechanism that is used for heating 6 insides of barrel at 6 outer walls of barrel to and set up the cooling mechanism that is used for reducing 6 inside temperatures of barrel on barrel 6.

The heating mechanism comprises a plurality of groups of heating sleeve plates 3, and the heating sleeve plates 3 are respectively sleeved on different zone sections of the machine barrel 6. The heating sleeve plate 3 comprises two semicircular arc-shaped heating plates 7, the inner diameters of the heating plates 7 are consistent with the outer diameter of the machine barrel 6, and one ends of the heating plates 7 are hinged with each other through a rotating shaft. The heating plate 7 is arc-shaped, and the inner diameter of the heating plate is consistent with the outer diameter of the machine barrel 6, so that the working surface of the heating plate 7 can be attached to the outer wall of the machine barrel 6, and the heating efficiency is improved. Heating plate 7 is at free end fixedly connected with lagging fixing piece 4, and lagging fixing piece 4 is including fixed lock 8 and lock sleeve 9, and lock sleeve 9 is provided with two and corresponds fixed connection in the both sides of heating plate 7 free end, and fixed lock 8 includes locking lever 10 and drive assembly 11. The two lock rods 10 are respectively in sliding sleeve connection with the lock sleeves 9 on the two sides, and the driving assembly 11 is fixedly connected to the heating plate 7 and used for driving the two lock rods 10 to move oppositely or oppositely. A rod sleeve 15 is fixedly connected to the position, between the two lock sleeves 9, of the heating plate 7, and the lock rod 10 is slidably sleeved in the rod sleeve 15. The driving assembly 11 comprises a lock spring 12, a knob 13 and a lock wire 14, wherein the knob 13 is rotatably connected to a rod sleeve 15, the lock wire 14 and the lock spring 12 are both arranged in the rod sleeve 15, and two ends of the lock wire 14 and two ends of the lock spring 12 are respectively and fixedly connected to the lock rod 10 and the knob 13. By rotating the knob 13, the lock cord in the rod sleeve 15 and the knob 13 are wound around each other, so that the lock rod 10 is retracted into the rod sleeve 15, and the lock rod 10 pushes the lock spring 12 to be compressed. When knob 13 is unscrewed, spring 12 deforms and returns to push lock rod 10 to move into lock sleeve 9, thereby detaching heating jacket plate 3 from barrel 6.

Referring to fig. 1 and 3, the cooling mechanism includes a water pipe cavity 16 formed in the circumferential direction of the side wall of the cylinder 6 and along the length direction of the cylinder 6, and a casing door 1 is provided on the outer side wall of the cylinder 6 corresponding to the water pipe cavity 16. The water pipe cavity 16 is internally and fixedly connected with a separation plate 17, the separation plate 17 divides the water pipe cavity 16 into a plurality of sub pipe cavities 18 corresponding to the positions of the heating sleeve plates 3, the heat dissipation water pipes 5 are correspondingly and spirally arranged in the sub pipe cavities 18, two ends of each heat dissipation water pipe 5 penetrate through the sub pipe cavities 18 and are respectively and correspondingly communicated with a water inlet pipe 19 and a water outlet pipe 20, and the other ends of the water inlet pipe 19 and the water outlet pipe 20 are correspondingly connected with a water pump 2. The arrangement of the heat-radiating water pipe 5, the water outlet pipe 20, the water inlet pipe 19 and the water pump 2 forms a circulatable cooling system. In addition, in order to improve the cooling efficiency of the temperature reducing mechanism, the temperature reducing mechanism is further provided with a fan assembly 21, and the fan assembly 21 comprises a fan frame 22 and a plurality of fans 23 installed in the fan frame 22. Air outlets 24 are arranged on the fan frame 22 corresponding to the positions of the fans 23, and the water outlet pipe 20 correspondingly penetrates through the different air outlets 24. Fan frame 22 all is equipped with a plurality of connecting holes 25 in each wind gap department of going out, and outlet pipe 20 corresponds and is connected with water pump 2 after passing a plurality of connecting holes 25 of 24 positions of air outlet to improved the area that fan assembly 21 acted on outlet pipe 20, and then improved the radiating efficiency of cooling mechanism.

In order to further realize that the temperature control device automatically and accurately controls the temperature in the machine barrel 6, a temperature sensor 26 is arranged in each sub-pipe cavity 18, and the temperature sensor 26 is connected with the corresponding water pump 2, the corresponding fan 23 and the corresponding heating sleeve plate 3 through electric signals.

The implementation principle of the embodiment is as follows: when the machine barrel 6 works, when the corresponding temperature sensor 26 in the sub-cavity 18 detects that the temperature in the cavity is higher than the temperature of the raw material in the processing stage, the temperature sensor 26 transmits an electric signal to the corresponding heating sleeve plate 3, and the corresponding heating sleeve plate 3 is closed. Meanwhile, the temperature sensor 26 transmits the electric signals to the corresponding water pump 2 and fan 23, the corresponding water pump 2 and fan 23 are started, at the moment, the water can be conveyed to the heat dissipation water pipe 5 by the water pump 2 in the water tank through the water inlet pipe 19, the temperature in the sub-water pipe cavity 16 can be absorbed to be heated when the water flows into the heat dissipation water pipe 5, the heated water flows out again through the water outlet pipe 20, when the water flows to the corresponding air outlet 24 in the fan assembly 21, the air flow generated by rotation of the fan 23 can rapidly cool the water in the water outlet pipe 20, the cooled water further enters the water tank to perform circulating operation until the temperature sensor 26 detects that the temperature in the sub-water pipe cavity 18 meets the requirement, and the temperature sensor 26 sends the electric signals to the corresponding water pump 2 and fan 23 again and closes the corresponding water pump 2 and fan 23.

When the corresponding temperature sensor 26 in the sub-tube cavity 18 detects that the temperature in the cavity is lower than the temperature required by the processing stage of the raw material, the temperature sensor 26 transmits an electric signal to the corresponding heating sleeve plate 3, and the heating sleeve plate 3 starts to heat until the first heating sleeve plate 3 stops working when the temperature in the sub-tube cavity 18 reaches the temperature required by the processing stage of the raw material. When the heating sleeve plate 3 starts to heat, the temperature sensor 26 also sends out an electric signal to turn off the corresponding water pump 2 and the corresponding fan 23.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The temperature control device of the double-screw bulking machine is characterized by comprising a heating mechanism which is arranged on the outer wall of a machine barrel (6) and used for heating the interior of the machine barrel (6), and a cooling mechanism which is arranged on the machine barrel (6) and used for reducing the temperature of the interior of the machine barrel (6); the heating mechanism comprises a plurality of groups of heating sleeve plates (3) arranged on different area sections of the machine barrel (6), and the heating sleeve plates (3) are fixedly sleeved on the outer wall of the machine barrel (6) through sleeve plate fixing pieces (4); the cooling mechanism comprises a plurality of heat dissipation water pipes (5) which are arranged corresponding to the heating sleeve plate (3) in an area, and the heat dissipation water pipes (5) are connected in the machine barrel (6).

2. The temperature control device of the double-screw bulking machine is characterized in that the heating sleeve plate (3) comprises two semi-circular arc-shaped heating plates (7), one end of each heating plate (7) is rotatably connected, the inner diameter of each heating plate (7) is consistent with the outer diameter of the machine barrel (6), and the free end of each heating plate (7) is fixedly connected with the sleeve plate fixing piece (4).

3. The temperature control device of the double-screw puffing machine is characterized in that the sleeve plate fixing piece (4) comprises two fixing locks (8) and two lock sleeves (9), the two lock sleeves (9) are correspondingly arranged on two sides of the free end of the heating plate (7), each fixing lock (8) comprises a lock rod (10) and a driving assembly (11), the two lock rods (10) are arranged and are respectively in sliding sleeve connection with the lock sleeves (9) on the two sides, and the driving assemblies (11) are fixedly connected to the heating plate (7) and used for driving the two lock rods (10) to move relatively or oppositely.

4. The temperature control device of the double-screw puffing machine is characterized in that a rod sleeve (15) is fixedly connected to the position, located between the two lock sleeves (9), of the heating plate (7), the lock rod (10) is slidably sleeved in the rod sleeve (15), the driving assembly (11) comprises a lock spring (12), a knob (13) and a lock wire (14), the knob (13) is rotatably connected to the rod sleeve (15), the lock wire (14) and the lock spring (12) are arranged in the rod sleeve (15), and two ends of the lock wire (14) and two ends of the lock spring (12) are respectively and fixedly connected to the lock rod (10) and the knob (13).

5. The temperature control device of the twin-screw bulking machine according to claim 1, wherein the temperature reduction mechanism comprises a water pipe cavity (16) arranged in the machine barrel (6), a separation plate (17) is fixedly connected in the water pipe cavity (16), the separation plate (17) divides the water pipe cavity (16) into a plurality of sub-pipe cavities (18) corresponding to the heating sleeve plate (3), the heat dissipation water pipes (5) are respectively and spirally arranged in the sub-pipe cavities (18), two ends of the heat dissipation water pipes (5) penetrate through the sub-pipe cavities (18) and are respectively and correspondingly communicated with a water inlet pipe (19) and a water outlet pipe (20), and the water inlet pipe (19) and the water outlet pipe (20) are correspondingly connected with the water pump (2).

6. The temperature control device of the twin-screw bulking machine according to claim 5, wherein the cooling mechanism further comprises a fan assembly (21), the fan assembly (21) comprises a fan frame (22) and a plurality of fans (23) installed in the fan frame (22), air outlets (24) are arranged on the fan frame (22) corresponding to the positions of the fans (23), and the water outlet pipe (20) corresponds to different air outlets (24).

7. The temperature control device of the twin-screw bulking machine according to claim 6, wherein the fan frame (22) is provided with a plurality of connecting holes (25) at each air outlet (24), and the water outlet pipe (20) is connected with the water pump (2) after passing through the plurality of connecting holes (25) at the air outlet (24) correspondingly.

8. The temperature control device of the double-screw puffing machine is characterized in that a temperature sensor (26) is arranged in each sub-tube cavity (18), and the temperature sensor (26) is connected with the corresponding water pump (2), the corresponding fan (23) and the corresponding heating sleeve plate (3) through electric signals.

9. The temperature control device of the double-screw puffing machine is characterized in that a shell door (1) is arranged on the surface of the shell of the machine barrel (6).