CN211268610U - Cold extruding machine - Google Patents
Cold extruding machine Download PDFInfo
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- CN211268610U CN211268610U CN201922118392.2U CN201922118392U CN211268610U CN 211268610 U CN211268610 U CN 211268610U CN 201922118392 U CN201922118392 U CN 201922118392U CN 211268610 U CN211268610 U CN 211268610U
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Abstract
The utility model relates to a cold extruding machine. This cold extrusion machine includes: a feeding mechanism; the feeding mechanism supplies materials to the extrusion mechanism, the extrusion mechanism comprises an extrusion screw and a machine barrel for the extrusion screw to penetrate through, and the extrusion mechanism further comprises a transmission part for driving the extrusion screw; a coolant circulation cavity is arranged in the extrusion screw; and the discharging mechanism is connected with the extruding mechanism and is used for molding, cutting and outputting the material extruded by the extruding mechanism. This cold extruding machine, through set up the coolant circulation chamber on extrusion screw, in time give extrusion screw cooling at the in-process that extrusion screw extrudeed the material, be favorable to making extrusion screw and extruded food material keep low temperature, can not make food material degeneration, can satisfy the food material and can extrude at the required temperature range of its processing technology all the time.
Description
Technical Field
The utility model relates to a food processing technology field, concretely relates to cold extrusion machine for food processing.
Background
In food extrusion processing, an extruder is a commonly used mechanical device. The extrusion principle of the extruder is as follows: food material containing certain moisture is under the action of screw pushing force in the extruder, the retarding action of the inner wall of the sleeve, the reverse screw and the forming die, the heating action of the outer wall of the sleeve and the heating action of frictional heat between the screw and the material and between the material and the sleeve, so that a large amount of frictional heat and conduction heat are generated between the material and the inner part of the screw sleeve, under the action of the comprehensive factors, the material in the extruder barrel is in a high-pressure state of 3-8 MPa and a high-temperature state of more than 200 ℃, the pressure at the moment exceeds the saturated vapor pressure of water at the extrusion temperature, the water in the material of the sleeve of the extruder can not be boiled and evaporated, the material is in a molten state, once the material is extruded from the die head, the pressure is suddenly reduced to normal pressure, the water in the material is instantly flashed and dissipated, and the temperature is reduced to about 80 ℃, so that the material becomes expanded food with a porous structure in a certain shape. If non-expanded food is to be produced, a cooling device may be added before the material exits the die, so that the temperature before exiting the die is less than 100 ℃.
It can be seen that the extruder barrel allows the temperature of the material to be at an elevated temperature above 200 c, which is not required by prior art extruders for some food materials that are susceptible to high temperatures.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cold extruding machine of food processing usefulness, the lateral wall of this cold extruding machine's extrusion screw and outside barrel all is equipped with cooling device, can satisfy some required extrusion temperatures of food material, fine solution above-mentioned technical problem.
The utility model discloses a realize through following technical scheme:
a cold extrusion press comprising:
a feeding mechanism;
the feeding mechanism supplies materials to the extrusion mechanism, the extrusion mechanism comprises an extrusion screw and a machine barrel for the extrusion screw to penetrate through, and the extrusion mechanism further comprises a transmission part for driving the extrusion screw; a coolant circulation cavity is arranged in the extrusion screw;
and the discharging mechanism is connected with the extruding mechanism and is used for molding, cutting and outputting the material extruded by the extruding mechanism.
Preferably, the coolant circulation chamber is opened in the axle center of extrusion screw, the coolant circulation chamber includes and is close to the first end of transmission portion and keeps away from the second end of transmission portion, first end opening sets up, the second end sets up closely.
Preferably, a coolant inflow passage and a coolant outflow passage are provided in the coolant flow chamber, a flow direction of the coolant in the coolant inflow passage is from the first end to the second end, and a flow direction of the coolant in the coolant outflow passage is from the second end to the first end.
Preferably, the coolant inflow channel is a first water pipe arranged in the coolant flowing cavity; the coolant outflow channel is a first gap defined by the inner wall of the coolant flowing cavity and the outer wall of the first water pipe.
Preferably, a hollow shaft is further arranged between the extrusion screw and the transmission part, a second water pipe is arranged in the hollow shaft, a second gap is formed by the inner wall of the hollow shaft and the outer wall of the second water pipe in a surrounding mode, the second water pipe is communicated with the first water pipe, the first gap is communicated with the second gap, a rotary joint is arranged at one end, far away from the extrusion screw, of the hollow shaft, a liquid inlet of the rotary joint is communicated with the second water pipe, and a liquid outlet of the rotary joint is communicated with the second gap.
Preferably, the extrusion screw is connected with the hollow shaft through a spline.
Preferably, the barrels comprise a first barrel and a second barrel which are communicated, the second barrel is communicated with the feeding mechanism, and the first barrel is communicated with the discharging mechanism;
a first cooling agent channel is arranged in the side wall of the first machine barrel, a first water inlet and a first water outlet are arranged on the side wall of the first machine barrel, and the first water inlet and the first water outlet are communicated with the first cooling agent channel.
Preferably, two first water inlets are formed in the side wall of the first cylinder, and a first water outlet is formed in the side wall of the second cylinder.
Preferably, a second coolant channel is arranged in the side wall of the second cylinder, and a second water inlet and a second water outlet are arranged on the second coolant channel.
Preferably, the feeding mechanism comprises a feeding hopper and a feeding screw rod, the feeding screw rod is arranged at an inlet of the feeding hopper and extends towards the inside of the feeding hopper, the feeding screw rod is driven by a motor arranged at the inlet of the feeding hopper, and the feeding hopper is conical.
The utility model has the advantages that:
1. according to the cold extruding machine, the cooling agent circulation cavity is arranged in the extruding screw rod to cool the extruding screw rod, so that the extruding screw rod and food materials extruded by the extruding screw rod can be kept at low temperature, and the food materials cannot be denatured; the hollow shaft is arranged between the extrusion screw and the transmission part, and the rotary joint is arranged at one end of the hollow shaft, which is far away from the extrusion screw, so that the circulating circulation of the coolant in the extrusion screw is realized.
2. This cold extrusion machine sets up first coolant passage through the inside at first barrel lateral wall, in time for first barrel and food material cooling, has further guaranteed cold extrusion machine's extrusion temperature.
3. This cold extrusion machine through set up the second coolant passageway in the lateral wall inside of second barrel, just begins to cool down when food material gets into the second barrel from the feeder hopper, guarantees food material's temperature, has effectively reduced the possibility of food material degeneration.
4. This cold extruding machine sets up the feed screw who extends to the feeder hopper inside through the entrance at the feeder hopper, and feed screw can play the effect of stirring food material on the one hand, and on the other hand can play the effect of pushing down food material, and it is smooth and easy to have guaranteed that the feeding is smooth and easy, can make this extruder be applicable to the extrusion to multiple material simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view of A-A in FIG. 2;
FIG. 4 is a side view of the structure of FIG. 1;
FIG. 5 is a schematic cross-sectional view of B-B in FIG. 4;
FIG. 6 is a schematic cross-sectional view of the extrusion screw of FIG. 1;
FIG. 7a is a schematic front view of the first barrel;
FIG. 7b is a schematic diagram of a side view of the first barrel;
FIG. 7C is a schematic cross-sectional view of C-C of FIG. 7 b;
FIG. 8a is a schematic diagram of a side view of the second barrel;
FIG. 8b is a schematic front view of the second barrel;
FIG. 8c is a schematic diagram of a top view of the second barrel;
fig. 9 is a schematic structural view of the feeding mechanism in fig. 1.
In the figure, 1, a feeding mechanism; 1-1, a feed hopper; 1-2, a feeding screw; 1-3, a motor; 2. an extrusion mechanism; 2-1, extruding a screw rod; 2-2, a cylinder; 2-3, a transmission part; 2-4, a hollow shaft; 2-5, a rotary joint; 2-6, splines; 2-11, a coolant circulation cavity; 2-12, a first water pipe; 2-13, a first gap; 2-21, a first barrel; 2-22, a second barrel; 2-41 and a second water pipe; 2-42, a second gap; 2-211, a first coolant channel; 2-212, a first water inlet; 2-213 and a first water outlet; 2-221, a second coolant channel; 2-222 and a second water inlet; 2-223 and a second water outlet.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-6, the present invention illustrates a cold extrusion press comprising:
a feeding mechanism 1;
the feeding mechanism 1 supplies materials to the extrusion mechanism 2, the extrusion mechanism 2 comprises an extrusion screw 2-1 and a machine barrel 2-2 for the extrusion screw 2-1 to penetrate through, and the extrusion mechanism 2 further comprises a transmission part 2-3 for driving the extrusion screw 2-1; a coolant circulation cavity 2-11 is arranged in the extrusion screw 2-1;
Because some food materials are when extruding in current extruder, the temperature between extrusion screw and the barrel is very high, can make food materials take place the degeneration and cause its nutrient composition's loss under the high temperature, the utility model discloses improve on prior art's extruder basis, set up the coolant circulation chamber on extrusion screw, take away extrusion screw's partial heat through the coolant, make extrusion screw's bulk temperature reduce to guarantee that food materials can extrude at the required temperature range of its processing technology all the time.
The discharging mechanism comprises a die, a cutter and a motor for driving the cutter, the die is provided with a plurality of small holes for forming materials, and the shape of the die hole can be changed according to the shape requirement of a product.
The coolant circulation cavity 2-11 is arranged at the axis of the extrusion screw 2-1, the coolant circulation cavity 2-11 comprises a first end close to the transmission part 2-3 and a second end far away from the transmission part 2-3, the first end is open, and the second end is closed.
The coolant inflow passage and the coolant outflow passage are provided in the coolant flow-through chamber 2-11, the flow direction of the coolant in the coolant inflow passage is from the first end to the second end, and the flow direction of the coolant in the coolant outflow passage is from the second end to the first end.
The coolant circulates in the coolant inflow passage and the coolant outflow passage, and in a broad sense, any coolant that can perform a cooling function may be used, and in actual production, in consideration of economic cost and a specific food application field, cooling water is generally used in the coolant circulation chamber to perform circulation cooling.
The coolant inflow channel is a first water pipe 2-12 arranged in the coolant flowing cavity 2-11; the coolant outflow channel is a first gap 2-13 enclosed by the inner wall of the coolant flowing cavity 2-11 and the outer wall of the first water pipe 2-12.
The coolant flows from the first water pipe into the coolant flow-through chamber and then flows out of the coolant flow-through chamber from the first gap.
As an alternative, a partition plate may be provided in the coolant flow chamber to divide the coolant flow chamber into a coolant inflow passage and a coolant outflow passage.
As a further alternative, a water line running back and forth can also be provided in the coolant flow chamber.
A hollow shaft 2-4 is further arranged between the extrusion screw 2-1 and the transmission part 2-3, a second water pipe 2-41 is arranged in the hollow shaft 2-4, a second gap 2-42 is defined by the inner wall of the hollow shaft 2-4 and the outer wall of the second water pipe 2-41, the second water pipe 2-41 is communicated with the first water pipe 2-12, the first gap 2-13 is communicated with the second gap 2-42, a rotary joint 2-5 is arranged at one end of the hollow shaft 2-4, which is far away from the extrusion screw 2-1, a liquid inlet of the rotary joint 2-5 is communicated with the second water pipe 2-41, and a liquid outlet of the rotary joint 2-5 is communicated with the second gap 2-42.
Because the coolant need flow out from the first end position of the coolant circulation chamber that is close to the drive division, if the coolant directly flows out from first end position, in order not to destroy the circuit of drive division, need set up more complicated structure, through using hollow shaft and rotary joint among the technical scheme that this embodiment provided, the problem how the coolant flows out has been solved well, cavity in the hollow shaft is linked together with the coolant circulation chamber of extrusion screw, the coolant gets into second water pipe, first water pipe from rotary joint's water inlet in proper order, flow out from first water pipe, flow through first clearance and second clearance in proper order, flow out from rotary joint's delivery port, the cooling to extrusion screw has been realized.
Wherein the first and second water tubes may be the same water tube disposed within the coolant flow cavity and the hollow shaft.
The extrusion screw 2-1 is connected with the hollow shaft 2-4 through a spline 2-6.
The extrusion screw is provided with a spline groove, the inner wall of the hollow shaft is provided with an inner spline groove matched with the spline groove, and the hollow shaft is connected with the output end of the gearbox of the transmission part.
The rectangular spline is arranged at the joint of the extrusion screw and the hollow shaft, so that the installation is convenient and the cleaning is convenient.
Example 2
As shown in fig. 7a, 7b and 7c, the technical features of this embodiment that are the same as those of embodiment 1 are not repeated, and the technical features of this embodiment that are different from those of embodiment 1,
barrel 2-2 includes a first barrel 2-21 and a second barrel 2-22 in communication, the second barrel 2-22 is in communication with the feed mechanism 1, the first barrel 2-21 is in communication with the discharge mechanism 3;
the side wall of the first machine barrel 2-21 is internally provided with a first coolant channel 2-211, the side wall of the first machine barrel 2-21 is provided with a first water inlet 2-212 and a first water outlet 2-213, and the first water inlet 2-212 and the first water outlet 2-213 are communicated with the first coolant channel 2-211.
Two first water inlets 2-212 are arranged on the side wall of the first machine barrel 2-21, and a first water outlet 2-213 is arranged on the side wall of the first machine barrel 2-21.
Through the arrangement of the first coolant channel in the side wall of the first machine barrel and the combined action of the first coolant channel and the coolant circulation cavity arranged on the extrusion screw, the coolant takes away the extrusion heat generated by the extrusion screw, the first machine barrel and the food materials, so that the extrusion screw and the interior of the first machine barrel are kept at lower temperature, and the food materials are further extruded in the temperature range required by the processing technology of the food materials.
Example 3
As shown in fig. 8a, 8b and 8c, the technical features of this embodiment that are the same as those of embodiments 1-2 are not repeated, and the technical features of this embodiment that are different from those of embodiments 1-2 are that,
a second cooling channel 2-221 is arranged in the side wall of the second cylinder 2-22, and a second water inlet 2-222 and a second water outlet 2-223 are arranged on the second cooling channel 2-221.
The second cooling agent channel is arranged in the side wall of the second machine barrel, so that the temperature of the food material is reduced after the food material enters the extrusion mechanism, and the food material is kept at a lower temperature under the combined action of the first cooling agent channel arranged on the first machine barrel and the cooling agent circulation cavity arranged in the extrusion screw.
Because the utility model discloses the cold extrusion machine of example relates to the control of a plurality of temperatures, can set up temperature control system, and the temperature to every position is monitored and is controlled to the convenience.
Example 4
As shown in fig. 9, the same technical features of this embodiment as those of embodiments 1-3 are not repeated, and the technical features of this embodiment different from those of the above embodiments are that,
the feeding mechanism 1 comprises a feeding hopper 1-1 and a feeding screw rod 1-2 which is arranged at the inlet of the feeding hopper 1-1 and extends towards the inside of the feeding hopper 1-1, the feeding screw rod 1-2 is driven by a motor 1-3 which is arranged at the inlet of the feeding hopper 1-1, and the feeding hopper is conical.
Through setting up the feed screw rod, can play the effect of stirring on the one hand, on the other hand can play the effect of pressing the material downwards, and it is smooth and easy to have guaranteed the feeding of food material, can satisfy the extrusion to multiple different materials.
The conical feed hopper facilitates the entry of food material into the extrusion system.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A cold extrusion press, comprising:
a feeding mechanism;
the feeding mechanism supplies materials to the extrusion mechanism, the extrusion mechanism comprises an extrusion screw and a machine barrel for the extrusion screw to penetrate through, and the extrusion mechanism further comprises a transmission part for driving the extrusion screw; a coolant circulation cavity is arranged in the extrusion screw;
and the discharging mechanism is connected with the extruding mechanism and is used for molding, cutting and outputting the material extruded by the extruding mechanism.
2. A cold extrusion press according to claim 1, wherein said coolant flow-through chamber opens at the axial center of said extrusion screw, said coolant flow-through chamber comprising a first end close to said drive portion and a second end remote from said drive portion, said first end being open and said second end being closed.
3. A cold extrusion press according to claim 2, wherein a coolant inflow passage and a coolant outflow passage are provided in said coolant flow chamber, a flow direction of the coolant in said coolant inflow passage is from said first end to said second end, and a flow direction of the coolant in said coolant outflow passage is from said second end to said first end.
4. A cold extrusion press according to claim 3, wherein said coolant inflow passage is a first water pipe provided in said coolant flow-through chamber; the coolant outflow channel is a first gap defined by the inner wall of the coolant flowing cavity and the outer wall of the first water pipe.
5. The cold extruding machine according to claim 4, wherein a hollow shaft is further arranged between the extruding screw and the transmission part, a second water pipe is arranged in the hollow shaft, a second gap is defined between the inner wall of the hollow shaft and the outer wall of the second water pipe, the second water pipe is communicated with the first water pipe, the first gap is communicated with the second gap, a rotary joint is arranged at one end of the hollow shaft, which is far away from the extruding screw, a liquid inlet of the rotary joint is communicated with the second water pipe, and a liquid outlet of the rotary joint is communicated with the second gap.
6. A cold extrusion press according to claim 5, wherein the extrusion screw is splined to the hollow shaft.
7. A cold extrusion press according to claim 1, wherein said barrels comprise a first barrel and a second barrel in communication, said second barrel being in communication with said feed mechanism, said first barrel being in communication with said discharge mechanism;
a first cooling agent channel is arranged in the side wall of the first machine barrel, a first water inlet and a first water outlet are arranged on the side wall of the first machine barrel, and the first water inlet and the first water outlet are communicated with the first cooling agent channel.
8. A cold extrusion press according to claim 7, wherein two first water inlets are provided in the side wall of the first barrel, and one first water outlet is provided in the side wall of the second barrel.
9. A cold extrusion press according to claim 7, wherein a second coolant channel is provided in the side wall of said second barrel, and a second water inlet and a second water outlet are provided in said second coolant channel.
10. A cold extrusion press according to claim 1, wherein said feeding mechanism comprises a feed hopper and a feed screw arranged at the inlet of said feed hopper and extending towards the inside of said feed hopper, said feed screw being driven by a motor arranged at the inlet of said feed hopper, said feed hopper being conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922118392.2U CN211268610U (en) | 2019-11-29 | 2019-11-29 | Cold extruding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922118392.2U CN211268610U (en) | 2019-11-29 | 2019-11-29 | Cold extruding machine |
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| Publication Number | Publication Date |
|---|---|
| CN211268610U true CN211268610U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922118392.2U Active CN211268610U (en) | 2019-11-29 | 2019-11-29 | Cold extruding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279125A (en) * | 2021-12-28 | 2022-04-05 | 江苏丰尚智能科技有限公司 | Cooling system for extruding artificial meat and design method thereof |
| CN114376251A (en) * | 2021-12-28 | 2022-04-22 | 江苏丰尚智能科技有限公司 | Food extrusion system and cooling die head thereof |
-
2019
- 2019-11-29 CN CN201922118392.2U patent/CN211268610U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279125A (en) * | 2021-12-28 | 2022-04-05 | 江苏丰尚智能科技有限公司 | Cooling system for extruding artificial meat and design method thereof |
| CN114376251A (en) * | 2021-12-28 | 2022-04-22 | 江苏丰尚智能科技有限公司 | Food extrusion system and cooling die head thereof |
| CN114279125B (en) * | 2021-12-28 | 2023-10-27 | 江苏丰尚智能科技有限公司 | Cooling system for artificial meat extrusion and design method thereof |
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