CN214339756U

CN214339756U - Shrimp extruding machine

Info

Publication number: CN214339756U
Application number: CN202022627352.3U
Authority: CN
Inventors: 陈启涛
Original assignee: Zhangzhou Yingbo Machinery Manufacturing Co ltd
Current assignee: Zhangzhou Yingbo Machinery Manufacturing Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-10-08
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a shrimp extrusion machine belongs to stirring make-up machine field, including frame, power unit, rabbling mechanism and forming mechanism, the rabbling mechanism includes feeder hopper, stirring seat, first auger delivery pole, second auger delivery pole and first roller and second roller, be formed with stirring chamber and discharge gate on the stirring seat, discharge gate intercommunication stirring chamber and forming mechanism, first auger delivery pole and second auger delivery pole are established in the stirring chamber in parallel, first roller and second roller level are established in the stirring chamber and are close to the discharge gate, lie in the top of first auger delivery pole and second auger delivery pole side by side and perpendicular with them. The utility model has the advantages that: the first spiral conveying rod and the second spiral conveying rod which rotate in opposite directions are arranged, so that raw materials of products can be mixed more sufficiently and uniformly, the produced products are further fine and smooth by matching with the rolling cylinders, more forming shapes are selected, and the formed products are stable in shape.

Description

Shrimp extruding machine

Technical Field

The utility model relates to a stirring make-up machine field particularly, relates to a shrimp extrusion machine.

Background

Along with the gradual improvement of people's living material level, people are also higher and higher to the requirement of food, more and more people begin to pursue the food of making various different shapes in order to adapt to the different demands in market, however, most food on the existing market is when rubbing the stage, owing to rub inadequately, it is big to lead to the food granule after rubbing, get into and lead to the product after the shaping to be fine and smooth inadequately after the former shaping easily, compact, shape selection limitation is big during the product shaping, shape is unstable after the shaping, is destroyed easily, therefore, the utility model aims to provide a technical scheme, solve the various problems that exist among the prior art.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough fine and smooth problem of product after rubbing that exists because of rubbing that not fully leads to after the product gets into the former shaping, the utility model provides a shrimp extrusion machine can make the mixing of product raw materials more even in the forming process, and product raw materials is more exquisite. The specific technical scheme is as follows:

a prawn squeezing machine comprises a rack, a power mechanism, a stirring mechanism and a forming mechanism, wherein the power mechanism, the stirring mechanism and the forming mechanism are all arranged on the rack; rabbling mechanism includes feeder hopper, stirring seat, first screw conveyer pole, second screw conveyer pole and first roller and second roller, the stirring seat is established in the feeder hopper below, be formed with stirring chamber and discharge gate on the stirring seat, stirring chamber and feeder hopper intercommunication, discharge gate intercommunication stirring chamber and forming mechanism, first screw conveyer pole and second screw conveyer pole are parallel to be established in the stirring chamber, first screw conveyer pole and second screw conveyer pole rotate in opposite directions and are used for carrying the material extrusion to the discharge gate, first roller and second roller level are established in the stirring chamber and are close to the discharge gate, first roller and second roller are located the top of first screw conveyer pole and second screw conveyer pole and are mutually perpendicular with first screw conveyer pole and second screw conveyer pole.

Further, the vertical sections of the first rolling cylinders and the second rolling cylinders are circular sections, the diameters of the circular sections of the first rolling cylinders are gradually reduced from two sides of the first rolling cylinders to the middle, and the diameters of the circular sections of the second rolling cylinders are gradually reduced from two sides of the second rolling cylinders to the middle.

Further, a first semi-cylindrical cavity and a second semi-cylindrical cavity which are used for respectively containing the first spiral conveying rod and the second spiral conveying rod are formed at the bottom of the stirring cavity.

Furthermore, the feeding hopper is detachably connected with the stirring seat, the joints of the feeding hopper and the two sides of the stirring seat are respectively extended outwards to form an edge block, the edge blocks of the feeding hopper are correspondingly matched with the edge blocks of the stirring seat, the stirring seat is further provided with a first locking device for fixing the feeding hopper, the first locking device comprises a first rotating shaft, a first threaded rod, a first locking nut and a first annular member, the edge blocks are provided with a first placing gap, the number of the first annular members is two, the two first annular members are horizontally and correspondingly arranged on the stirring seat, one end of the first threaded rod is provided with a first annular part, the first annular part is positioned between the two first annular members, the first rotating shaft penetrates through the first annular member and the first annular part, and the first threaded rod is rotatably connected with the first rotating shaft through the first annular part, first lock nut and first threaded rod threaded connection are used for fixed feeder hopper.

Further, forming mechanism includes extrusion device and forming device, forming device establishes the below at the extrusion device, the extrusion device includes support frame, pneumatic cylinder, extrusion piece, extrusion box and goes out the material, pneumatic cylinder and extrusion box are all established on the support frame, the pneumatic cylinder is located the top of extrusion box, the extrusion piece is connected with the piston rod of pneumatic cylinder, the reciprocating motion that makes a round trip in the extrusion box of extrusion piece under the drive of pneumatic cylinder, be formed with the feed inlet that matches the intercommunication with the discharge gate on the extrusion box, it establishes the bottom surface at the extrusion box to go out the material, it is formed with discharging hole to go out the material, discharging hole and extrusion box intercommunication, be equipped with the axis of rotation between extrusion device and the stirring seat, the extrusion device passes through the axis of rotation and is connected with the rotation of stirring seat, the extrusion device has the operation station of the corresponding intercommunication of feed inlet and rabbling mechanism's discharge gate and the washing station of feed inlet and the separation of rabbling mechanism discharge gate.

Further, forming device includes vertical pneumatic cylinder, horizontal pneumatic cylinder, platform, dog, grip block and forming die, the dog is established in one side of platform, the opposite side at platform is established to horizontal pneumatic cylinder level, the grip block is established on the piston rod of horizontal pneumatic cylinder, forming die establishes between grip block and dog, forming die is located the below of ejection of compact piece, forming die is used for holding the material of extruding by the discharging hole of ejection of compact piece, vertical pneumatic cylinder is vertical to be established in platform's below, the piston rod of vertical pneumatic cylinder is connected with platform's lower surface, vertical pneumatic cylinder drive platform reciprocates.

Further, the power mechanism comprises a first motor, a second motor, a first gear, a second gear, a first driving gear, a second driving gear, a first transmission gear and a second transmission gear, the first motor and the second motor are arranged on the frame, one end of the first spiral conveying rod is rotatably connected with the stirring seat, the other end of the first spiral conveying rod penetrates through the stirring seat and is connected with the first gear, one end of the second spiral conveying rod is rotatably connected with the stirring seat, the other end of the second spiral conveying rod penetrates through the stirring seat and is connected with the second gear and the first transmission gear, the first transmission gear and the second gear are arranged at intervals and are mutually meshed, the first driving gear is arranged on the first motor and drives the first driving gear to rotate, the first driving gear is connected with the first transmission gear through a chain, the second driving gear is arranged on the second motor, the second motor drives the second driving gear to rotate, and the second driving gear is connected with the second transmission gear through a chain.

Further, still be equipped with the second locking device who is used for fixed extrusion device on the extrusion device, second locking device includes second pivot, second threaded rod, second lock nut, second annular member and fixed block, the fixed block is established on extrusion device, the fixed block is formed with the second and places the breach, the second annular member has two, and two second annular member matches and corresponds the setting on the stirring seat, the one end of second threaded rod is formed with the second annular portion, the second annular portion is located between two second annular members, second annular member and second annular portion are passed in the second pivot, the second threaded rod passes through the second annular portion and is connected with the rotation of second pivot, second lock nut and second threaded rod threaded connection are used for fixed extrusion device.

Further, still be equipped with stabilising arrangement among the forming device, stabilising arrangement includes base, stabilizing block, first guide pole and second guide pole, base and stabilizing block set up from top to bottom and all are connected with the frame, vertical pneumatic cylinder establishes on the base, be equipped with first through-hole and second through-hole on the stabilizing block, the diameter of first through-hole is greater than the diameter of second through-hole, the diameter of first guide pole is greater than the diameter of second guide pole, the one end of first guide pole is connected with the piston rod of vertical pneumatic cylinder, the other end of first guide pole is connected with object platform after passing first through-hole, second guide pole is connected with object platform after passing the second through-hole from bottom to top.

Furthermore, a partition board is further arranged inside the feed hopper, a water containing groove is formed by the partition board and the side wall of the feed hopper in a surrounding mode, cold water is contained in the water containing groove, and a water drainage hole which is communicated with the water containing groove and is used for draining water outside is formed in the water containing groove.

Has the advantages that:

adopt the utility model discloses technical scheme produces beneficial effect as follows:

(1) above-mentioned shrimp extrusion machine includes the feeder hopper, the stirring seat, first auger delivery pole, second auger delivery pole and first rolling cylinder and second rolling cylinder, rotate in opposite directions between through first auger delivery pole and the second auger delivery pole, can intensive mixing product raw materials and make product raw materials mix material more fine and smooth even, the suppression effect of first rolling cylinder of ejection of compact in-process cooperation and second rolling cylinder compresses tightly the product, make the product of the ejection of compact compacter, fine and smooth, the product granule is fine and smooth, more be favorable to the product shaping, the shape is more stable after the shaping.

(2) Stirring chamber bottom is formed with and is used for the holding respectively among the rabbling mechanism first semi-cylindrical cavity and the second semi-cylindrical cavity of first auger delivery pole and second auger delivery pole to can cooperate the use of first auger delivery pole and second auger delivery pole better, because of the insufficient problem of stirring that the operation dead angle leads to during the reduction stirring, stir more abundant, and reduced the appearance of edges and corners, manage easily, more sanitary.

(3) Forming mechanism includes forming device, last extrusion piece and the extrusion box of being provided with of forming device, under the drive of pneumatic cylinder, the product raw materials to in the extrusion box of extrusion piece circulation reciprocal extrudees, through the ejection of compact of setting in extrusion box bottom portion, accept by the forming die who places in extrusion box below, at the in-process that extrudes the ejection of compact, product raw materials need extrude through the second time, product through the second time is compared in first more meticulous, change the shaping, the shaping back product of shaping is more stable.

(4) Be equipped with first locking device between feeder hopper and the stirring seat, be provided with second locking device between extrusion device and the stirring seat, can make things convenient for people to carry out the split to different parts, make things convenient for daily washing to maintain, extension machine life, the production environment is safer, healthy.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of a shrimp extruder of the present invention;

FIG. 2 is a front view of the shrimp extruder of the present invention;

FIG. 3 is a perspective view of the stirring chamber of the present invention;

FIG. 4 is a left side view of the shrimp extruder of the present invention;

FIG. 5 is a perspective view of the stirring base of the present invention;

FIG. 6 is a front view of the stirring base of the present invention;

FIG. 7 is a perspective view of the extruding apparatus of the present invention;

fig. 8 is a perspective view of the second locking device of the present invention.

In the figure: 10. a frame;

20. a feed hopper; 21. a stirring seat; 22. a first screw conveying rod;

23. a second screw conveying rod; 24. a first roller; 25. a second roller;

26. a stirring chamber; 27. a discharge port; 28. an edge block;

261. a first semi-cylindrical cavity; 262. a second semi-cylindrical cavity;

30. a first rotating shaft; 31. a first threaded rod; 32. a first annular member; 311. a first annular portion;

40. a support frame; 41. a hydraulic cylinder; 42. extruding the block; 43. pressing the box; 44. a feed inlet;

45. discharging parts; 46. a rotating shaft;

50. a transverse hydraulic cylinder; 51. a placement platform; 52. a stopper; 53. a clamping plate;

54. a vertical hydraulic cylinder;

60. a first motor; 61. a second motor; 62. a first gear; 63. a second gear;

64. a first drive gear; 65. a second drive gear; 66. a first drive gear;

67. a second transmission gear;

70. a second rotating shaft; 71. a second threaded rod; 72. a second ring-shaped member; 73. a fixed block;

711. a second annular portion;

80. a base; 81. a stabilizing block; 82. a first guide bar; 83. a second guide bar;

90. a water containing tank; 91. a separator.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

As shown in fig. 1 to 8, a shrimp extrusion-injection machine comprises a frame 10, a power mechanism, a stirring mechanism and a forming mechanism, wherein the power mechanism, the stirring mechanism and the forming mechanism are all arranged on the frame 10, the power mechanism is used for driving the stirring mechanism to stir, and the forming mechanism is positioned on the side edge of the stirring mechanism and used for forming a stirred raw material; the stirring mechanism comprises a feed hopper 20, a stirring seat 21, a first spiral conveying rod 22, a second spiral conveying rod 23, a first rolling cylinder 24 and a second rolling cylinder 25, the stirring seat 21 is arranged below the feed hopper 20, a stirring cavity 26 and a discharge hole 27 are formed on the stirring seat 21, the stirring cavity 26 is communicated with the feed hopper 20, the discharge hole 27 is communicated with the stirring cavity 26 and a forming mechanism, the first spiral conveying rod 22 and the second spiral conveying rod 23 are arranged in the stirring cavity 26 in parallel, the first spiral conveying rod 22 and the second spiral conveying rod 23 rotate oppositely to extrude and convey materials to the discharge hole 27, the first rolling cylinder 24 and the second rolling cylinder 25 are horizontally arranged in the stirring cavity 26 and are close to the discharge hole 27, the first roller 24 and the second roller 25 are located above the first auger screw 22 and the second auger screw 23 and are perpendicular to the first auger screw 22 and the second auger screw 23.

In a preferred embodiment, the vertical cross-section of each of the first roller 24 and the second roller 25 is a circular cross-section, the diameter of the circular cross-section of the first roller 24 is gradually reduced from both sides of the first roller 24 to the middle, and the diameter of the circular cross-section of the second roller 25 is gradually reduced from both sides of the second roller 25 to the middle. Through the arrangement of the first rolling cylinders 24 and the second rolling cylinders 25, the product raw materials are extruded by the first rolling cylinders 24 or the second rolling cylinders 25 and are gathered to the middle parts of the first rolling cylinders 24 or the second rolling cylinders 25, and the compactness of the product raw materials is further improved.

As shown in fig. 5, as a preferred embodiment, the bottom of the stirring chamber 26 is formed with a first semi-cylindrical cavity 261 and a second semi-cylindrical cavity 262 for accommodating the first conveying screw 22 and the second conveying screw 23, respectively. As shown in fig. 6, as a preferred embodiment, four discharging ports 27 are formed on the stirring base 21, every two discharging ports 27 are in one group, two groups of discharging ports 27 are respectively and correspondingly communicated with the first semi-cylindrical cavity 261 and the second semi-cylindrical cavity 262, each group of discharging ports 27 is disposed below the center of the mounting shaft of the corresponding screw conveying rod, each group of discharging ports 27 is a fan-shaped discharging port 27, and the discharging ports 27 are symmetrically distributed along the center of the mounting shaft of the corresponding screw conveying rod on the side wall where the fan-shaped discharging port 27 is located. The fineness of the product during discharging can be further enhanced by adopting the fan-shaped discharge port 27.

As shown in fig. 1 to 3, as a preferred embodiment, the feeding hopper 20 is detachably connected to the stirring base 21, an edge block 28 extends outwards from the connection between the feeding hopper 20 and the stirring base 21, the edge block 28 of the feeding hopper 20 is matched with the edge block 28 of the stirring base 21, a first locking device for fixing the feeding hopper 20 is further disposed on the stirring base 21, the first locking device includes a first rotating shaft 30, a first threaded rod 31, a first locking nut (not shown) and a first ring member 32, the edge block 28 is formed with a first placing notch, the first ring member 32 is two, the two first ring members 32 are horizontally and correspondingly disposed on the stirring base 21, a first annular portion 311 is formed at one end of the first threaded rod 31, the first annular portion 311 is located between the two first ring members 32, the first rotating shaft 30 passes through the first ring member 32 and the first annular portion 311, the first threaded rod 31 is rotatably connected to the first rotating shaft 30 through a first annular portion 311, and a first locking nut is threadedly connected to the first threaded rod 31 to fix the hopper 20.

As shown in fig. 1 to 3, as a preferred embodiment, the forming mechanism includes an extruding device and a forming device, the forming device is disposed below the extruding device, the extruding device includes a support frame 40, a hydraulic cylinder 41, an extruding block 42, an extruding box 43 and a discharging member 45, the hydraulic cylinder 41 and the extruding box 43 are both disposed on the support frame 40, the hydraulic cylinder 41 is disposed above the extruding box 43, the extruding block 42 is connected to a piston rod of the hydraulic cylinder 41, the extruding block 42 reciprocates back and forth in the extruding box 43 under the driving of the hydraulic cylinder 41, a feeding port 44 matching and communicating with the discharging port 27 is formed on the extruding box 43, the discharging member 45 is disposed on the bottom surface of the extruding box 43, a discharging through hole is formed on the discharging member 45, the discharging through hole is communicated with the extruding box 43, a rotating shaft 46 is disposed between the extruding device and the stirring base 21, the extruding device is rotatably connected with the stirring base 21 through the rotating shaft 46, and the extruding device has an operation station and a feeding port 44 correspondingly communicated with the discharging port 27 of the stirring mechanism, and a feeding port And a cleaning station with a material port 44 separated from the stirring mechanism material outlet 27.

As shown in fig. 1 to 3, as a preferred embodiment, the forming device includes a vertical hydraulic cylinder 54, a horizontal hydraulic cylinder 50, a platform 51, a stopper 52, a clamping plate 53 and a forming mold (not shown), the stopper 52 is disposed on one side of the platform 51, the horizontal hydraulic cylinder 50 is horizontally disposed on the other side of the platform 51, the clamping plate 53 is disposed on a piston rod of the horizontal hydraulic cylinder 50, the forming mold is disposed between the clamping plate 53 and the stopper 52, the forming mold is located below the discharging member 45, the forming mold is used for containing materials extruded from the discharging through hole of the discharging member 45, the vertical hydraulic cylinder 54 is vertically disposed below the platform 51, the piston rod of the vertical hydraulic cylinder 54 is connected with the lower surface of the platform 51, and the vertical hydraulic cylinder 54 drives the platform 51 to move up and down.

As shown in fig. 1 to 5, as a preferred embodiment, the power mechanism includes a first motor 60, a second motor 61, a first gear 62, a second gear 63, a first driving gear 64, a second driving gear 65, a first transmission gear 66 and a second transmission gear 67, the first motor 60 and the second motor 61 are disposed on the frame 10, one end of the first screw conveying rod 22 is rotatably connected with the stirring base 21, the other end of the first screw conveying rod 22 passes through the stirring base 21 and is connected with the first gear 62, one end of the second screw conveying rod 23 is rotatably connected with the stirring base 21, the other end of the second screw conveying rod 23 passes through the stirring base 21 and is connected with the second gear 63 and the first transmission gear 66, the first transmission gear 66 and the second gear 63 are disposed at an interval, the first gear 62 and the second gear 63 are engaged with each other, the first driving gear 64 is disposed on the first motor 60, the first motor 60 drives the first driving gear 64 to rotate, the first driving gear 64 is connected with the first transmission gear 66 through a chain, the second driving gear 65 is arranged on the second motor 61, the second motor 61 drives the second driving gear 65 to rotate, and the second driving gear 65 is connected with the second transmission gear 67 through a chain (not shown).

As shown in fig. 1 to 8, as a preferred embodiment, the pressing device is further provided with a second locking device for fixing the pressing device, the second locking device comprises a second rotating shaft 70, a second threaded rod 71, the second locking nut (not shown), the second annular member 72 and the fixed block 73, the fixed block 73 is arranged on the extrusion device, a second placing gap is formed in the fixed block 73, two second annular members 72 are arranged on the stirring seat 21 in a matching and corresponding mode, a second annular portion 711 is formed at one end of the second threaded rod 71 and is located between the two second annular members 72, the second rotating shaft 70 penetrates through the second annular member 72 and the second annular portion 711, the second threaded rod 71 is rotatably connected with the second rotating shaft 70 through the second annular portion 711, and the second locking nut is connected with the second threaded rod threads 71 and is used for fixing the extrusion device.

As shown in fig. 1 to 3, as a preferred embodiment, a stabilizing device is further provided in the forming device, the stabilizing device includes a base 80, a stabilizing block 81, a first guide rod 82 and a second guide rod 83, the base 80 and the stabilizing block 81 are disposed up and down and are both connected to the rack 10, the vertical hydraulic cylinder 54 is disposed on the base 80, the stabilizing block 81 is provided with a first through hole and a second through hole, the diameter of the first through hole is greater than that of the second through hole, the diameter of the first guide rod 82 is greater than that of the second guide rod 83, one end of the first guide rod 82 is connected to a piston rod of the vertical hydraulic cylinder 54, the other end of the first guide rod 82 passes through the first through hole and is connected to the object placing platform 51, and the second guide rod 83 passes through the second through hole from bottom to top and is connected to the object placing platform 51.

As shown in fig. 1, as a preferred embodiment, a partition 91 is further provided inside the stirring base 21, the partition 91 and the side wall of the stirring base 21 enclose a water tank 90, the water tank 90 contains cold water, and the water tank 90 is provided with a water discharge hole (not shown) for discharging water, which communicates the water tank 90 with the outside. The stirring seat 21 is provided with a water containing tank 90, and water with different temperatures can be replaced for the product which is stirred and formed according to the requirement in the water containing tank 90, so that the freshness of the product can be kept.

The utility model discloses a theory of operation: when the material mixing machine starts to work, formed materials needing to be mixed are placed into the feed hopper 20, the materials are extruded and conveyed through the first spiral conveying rod 22 and the second spiral conveying rod 23, and meanwhile, the compactness of the materials is increased while uniform mixing and extrusion conveying of the materials are achieved through the rolling effect of the first rolling cylinder 24 and the second rolling cylinder 25 on the materials. Then, rethread discharge gate 27 enters into extrusion box 43, vertical pneumatic cylinder 54 promotes platform 51 rebound, make forming die who is located platform 51 communicate with the discharging hole of ejection of compact 45, then under the promotion of extrusion device's pneumatic cylinder 41, extrude the material in the extrusion box 43 by extrusion piece 42, make the material get into forming die from the discharging hole of ejection of compact 45, thereby the realization is to the shaping effect of material, the shaping effect is greatly improved, and the shaping efficiency is high.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The prawn squeezing machine is characterized by comprising a rack, a power mechanism, a stirring mechanism and a forming mechanism, wherein the power mechanism, the stirring mechanism and the forming mechanism are all arranged on the rack; rabbling mechanism includes feeder hopper, stirring seat, first screw conveyer pole, second screw conveyer pole and first roller and second roller, the stirring seat is established in the feeder hopper below, be formed with stirring chamber and discharge gate on the stirring seat, stirring chamber and feeder hopper intercommunication, discharge gate intercommunication stirring chamber and forming mechanism, first screw conveyer pole and second screw conveyer pole are parallel to be established in the stirring chamber, first screw conveyer pole and second screw conveyer pole rotate in opposite directions and are used for carrying the material extrusion to the discharge gate, first roller and second roller level are established in the stirring chamber and are close to the discharge gate, first roller and second roller are located the top of first screw conveyer pole and second screw conveyer pole and are mutually perpendicular with first screw conveyer pole and second screw conveyer pole.

2. The shrimp extruder as claimed in claim 1, wherein the first and second rolling cylinders have a circular cross-section, the diameter of the circular cross-section of the first rolling cylinder gradually decreases from the two sides of the first rolling cylinder to the middle, and the diameter of the circular cross-section of the second rolling cylinder gradually decreases from the two sides of the second rolling cylinder to the middle.

3. The shrimp extruder as claimed in claim 2, wherein said mixing chamber is formed at a bottom thereof with a first and a second semi-cylindrical cavities for receiving said first and second auger screws, respectively.

4. A shrimp extruder as claimed in claim 3, wherein said feeding hopper is detachably connected to said stirring base, an edge block extends outwardly from the connection between said feeding hopper and both sides of said stirring base, said edge block of said feeding hopper is matched with and corresponds to said edge block of said stirring base, said stirring base is further provided with a first locking device for fixing said feeding hopper, said first locking device comprises a first rotating shaft, a first threaded rod, a first locking nut and a first ring member, said edge block is formed with a first placing gap, said first ring member comprises two first ring members horizontally arranged on said stirring base, one end of said first threaded rod is formed with a first annular portion, said first annular portion is located between said two first ring members, said first rotating shaft passes through said first ring members and said first ring member, said first threaded rod is rotatably connected to said first rotating shaft through said first ring member, first lock nut and first threaded rod threaded connection are used for fixed feeder hopper.

5. The shrimp extruder as claimed in claim 1, wherein the forming mechanism comprises an extruding device and a forming device, the forming device is disposed under the extruding device, the extruding device comprises a supporting frame, a hydraulic cylinder, an extruding block, an extruding box and a discharging member, the hydraulic cylinder and the extruding box are disposed on the supporting frame, the hydraulic cylinder is disposed above the extruding box, the extruding block is connected with a piston rod of the hydraulic cylinder, the extruding block reciprocates back and forth in the extruding box under the driving of the hydraulic cylinder, a feeding port communicated with the discharging port in a matching manner is formed on the extruding box, the discharging member is disposed on the bottom surface of the extruding box, the discharging member is formed with a discharging through hole, the discharging through hole is communicated with the extruding box, a rotating shaft is disposed between the extruding device and the stirring base, the extruding device is rotatably connected with the stirring base through the rotating shaft, the extrusion device is provided with an operation station with a feed inlet correspondingly communicated with the discharge outlet of the stirring mechanism and a cleaning station with a feed inlet separated from the discharge outlet of the stirring mechanism.

6. The shrimp extruder as claimed in claim 5, wherein the forming device comprises a vertical hydraulic cylinder, a horizontal hydraulic cylinder, a platform, a stopper, a clamping plate and a forming mold, the stopper is arranged on one side of the platform, the horizontal hydraulic cylinder is horizontally arranged on the other side of the platform, the clamping plate is arranged on a piston rod of the horizontal hydraulic cylinder, the forming mold is arranged between the clamping plate and the stopper, the forming mold is located below the discharging part, the forming mold is used for containing materials extruded from the discharging through hole of the discharging part, the vertical hydraulic cylinder is vertically arranged below the platform, a piston rod of the vertical hydraulic cylinder is connected with the lower surface of the platform, and the vertical hydraulic cylinder drives the platform to move up and down.

7. The shrimp extruder as claimed in claim 1, wherein the power mechanism comprises a first motor, a second motor, a first gear, a second gear, a first driving gear, a second driving gear, a first transmission gear and a second transmission gear, the first motor and the second motor are arranged on the frame, one end of the first screw conveyer rod is rotatably connected with the stirring base, the other end of the first screw conveyer rod passes through the stirring base and is connected with the first gear, one end of the second screw conveyer rod is rotatably connected with the stirring base, the other end of the second screw conveyer rod passes through the stirring base and is connected with the second gear and the first transmission gear, the first transmission gear and the second gear are arranged at intervals, the first gear and the second gear are engaged with each other, the first driving gear is arranged on the first motor, the first motor drives the first driving gear to rotate, first drive gear passes through the chain and is connected with first transmission gear, second drive gear establishes on the second motor, the second motor drives second drive gear and rotates, second drive gear passes through the chain and is connected with second transmission gear.

8. The shrimp extruder of claim 5 wherein said extruder further comprises a second locking means for securing said extruder, the second locking device comprises a second rotating shaft, a second threaded rod, a second locking nut, a second annular piece and a fixed block, the fixed block is arranged on the extrusion device, a second placing gap is formed on the fixed block, two second annular parts are arranged on the stirring seat in a matching and corresponding mode, one end of the second threaded rod is provided with a second annular part which is positioned between two second annular parts, the second rotating shaft penetrates through the second annular part and the second annular part, the second threaded rod is rotatably connected with the second rotating shaft through the second annular part, and the second locking nut is in threaded connection with the second threaded rod and used for fixing the extruding device.

9. The shrimp extruder as claimed in claim 6, wherein a stabilizer is further arranged in the forming device, the stabilizer comprises a base, a stabilizer block, a first guide rod and a second guide rod, the base and the stabilizer block are vertically arranged and are connected with the frame, the vertical hydraulic cylinder is arranged on the base, the stabilizer block is provided with a first through hole and a second through hole, the diameter of the first through hole is larger than that of the second through hole, the diameter of the first guide rod is larger than that of the second guide rod, one end of the first guide rod is connected with a piston rod of the vertical hydraulic cylinder, the other end of the first guide rod penetrates through the first through hole and then is connected with the object placing platform, and the second guide rod penetrates through the second through hole from bottom to top and then is connected with the object placing platform.

10. The shrimp extruder as claimed in claim 1, wherein a partition is further disposed inside the feeding hopper, the partition and the sidewall of the feeding hopper form a water tank, the water tank contains cold water, and the water tank is opened with a water discharge hole for discharging water, the water tank and the exterior.