A method for making dry steamed siomai

Abstract

The invention relates to the technical field of siomai making, and specifically provides a method for making dry steamed siomai, comprising the following steps: kneading noodles according to a preset raw material ratio to make dough, and making stuffing according to a preset raw material ratio; making dough into dough skins by a dough skin forming device and then dividing the dough into siomai skins; the stuffing is subjected to low-temperature condensation by a condensing device to form ice crystals inside the dough skins; the siomai forming device presses the dough skins into a cylindrical shape, injects the stuffing containing ice crystals, and then presses the dough skins into a preset shape by a closing structure to make dry steamed siomai; the made dry steamed siomai is stored and frozen; the invention reduces the fluidity of the stuffing by low-temperature condensation, so that the stuffing is not easily deformed during the making process.

Description

Technical Field

[0001] The invention relates to the technical field of siomai making, in particular to a method for making dry-steamed siomai. Background Art

[0002] Dry steamed siomai is a traditional local snack in Guangdong. It is one of the popular dim sum that must be ordered in Cantonese morning tea. The difference between dry steamed siomai and traditional siomai is that the filling of traditional siomai is mainly glutinous rice, with meat, dried mushrooms and other auxiliary ingredients, while the filling of dry steamed siomai is mainly half-fat and half-lean pork, with dried mushrooms, shrimps and other auxiliary ingredients.

[0003] The stuffing of dry steamed siomai is meat stuffing, which needs to be minced by a meat grinder in case of mass production. The meat stuffing minced by the meat grinder has smaller particles and higher fluidity than the stuffing of traditional siomai mainly made of glutinous rice. The siomai after stuffing is softer, and there are problems of collapse or deformation during the transfer of siomai. The siomai made by the forming machine of dry steamed siomai are mainly cylindrical, and their shape is less beautiful than the vase shape of handmade siomai. Therefore, the present application proposes a method for making dry steamed siomai. Summary of the invention

[0004] The purpose of the present invention is to provide a method for making dry steamed siomai, so as to solve the problem that the shape of dry steamed siomai made by current siomai making equipment is not as beautiful as traditional siomai.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A method for making dry steamed siomai, the method comprising the following steps:

[0007] Step S100, kneading the dough according to a preset raw material ratio to make dough, and making fillings according to a preset raw material ratio;

[0008] Step S200, making dough into dough skins by dough skin forming equipment and then dividing the dough skins into siomai skins;

[0009] Step S300, the filling is condensed at low temperature by a condensation device to form ice crystals inside the filling;

[0010] Step S400, the siomai forming device presses the dough into a cylindrical shape, injects the filling containing ice crystals, and then presses it into a preset shape through a closing structure to make dry steamed siomai;

[0011] Step S500: the finished dry steamed siomai are stored and frozen.

[0012] Furthermore, the present invention also discloses a siomai making device to realize the above-mentioned dry steamed siomai making method, comprising:

[0013] Body;

[0014] A circulation unit provided on the machine body is used to control the circulation of siomai along various workstations;

[0015] A filling injection unit is provided on the machine body, wherein the filling injection unit is provided with a filling mixing component, a condensing component and a filling injection component, the filling mixing component is used to prepare the filling and convey the filling to the condensing component and the filling injection component, the condensing component condenses the filling at low temperature to a state containing ice crystals, and the filling injection component injects the filling into the siomai wrapper on the circulation unit;

[0016] The closing unit arranged in the circulation unit is used for closing the siomai to make it into a preset shape.

[0017] Furthermore, the production equipment also includes:

[0018] A dough skin forming unit is used to make continuous long strips of dough skin. The dough skin made by the dough skin forming unit is transferred by a roller conveying structure to the discharge port of the filling unit and between the transfer unit;

[0019] Wherein, the filling injection unit is provided with a skin cutting component, and the skin cutting component cuts the siomai skin on the dough before injecting the filling.

[0020] Furthermore, the condensation component comprises:

[0021] A condensing shell, wherein the condensing shell is a closed cavity structure, and the condensing shell is connected to the cold air generating structure through a cold air injection pipe to inject low-temperature cold air below zero degrees;

[0022] Condensation branch pipe, used for heat exchange to reduce the temperature of the filling;

[0023] A mixing pipe, wherein the condensation branch pipes are provided with a plurality of groups, and the condensation branch pipes are connected with the stuffing mixing assembly and the mixing pipe;

[0024] The material conveying pipe is used to connect the mixing pipe and the filling injection component.

[0025] Furthermore, a first pressing plate is provided on the injection tube on the filling injection assembly, and the skin cutting assembly comprises:

[0026] A peel cutting shell fixedly connected to the machine body, wherein the peel cutting shell is provided with a first spring hole located outside the filling injection assembly;

[0027] A skin cutting tube slidably connected to the first spring hole, the skin cutting tube is sleeved on the injection tube, and the inner diameter of the mouth of the skin cutting tube close to the circulation unit is the same as the inner diameter of the siomai skin;

[0028] A first spring sleeved on the skin cutting tube, wherein two ends of the first spring respectively abut against the bottom of the first spring hole and the end of the skin cutting tube away from the circulation unit;

[0029] A second spring is sleeved on the outside of the injection tube, and two ends of the second spring abut against the end of the skin cutting tube away from the circulation unit and the first pressing plate.

[0030] Furthermore, the production equipment also includes:

[0031] The flattening unit is used to flatten the fillings of the siomai when closing the edges.

[0032] Furthermore, the leveling unit comprises:

[0033] A third pressure cylinder is fixedly connected to the machine body, and a flattening rod is connected to the output end of the third pressure cylinder. The third pressure cylinder drives the flattening rod to move up and down, and the end of the flattening rod flattens the fillings of the siomai when it moves to the mouth of the siomai.

[0034] Further, the flow unit includes an upstream turntable and a downstream turntable, the downstream turntable is fixedly connected to the body, and during circulation, the upstream turntable rotates, and the lower end of the closing unit is slidably connected to the flow unit, and the closing unit includes:

[0035] The closing shell is cylindrical, the end of the closing shell close to the downstream turntable is the bottom end, the bottom end is provided with a small opening, and the end of the closing shell away from the downstream turntable is the top end and is provided with a large opening;

[0036] A plurality of sliding guide rails located at the bottom end of the closing shell, wherein the sliding guide rails are evenly distributed around the axis of the closing shell in a divergent shape;

[0037] A plurality of closing blocks are slidably connected to the sliding guide rail, a side of the closing block close to the axis of the closing shell is provided with a profiling surface, the plurality of closing blocks are fitted together to form a forming cavity for siomai, the profiling surface forms an inner wall of the forming cavity, and a side of the closing block away from the profiling surface is a sloped side surface;

[0038] A closing pressure ring slidably connected to the closing shell, a closing pressure rod is provided on the closing pressure ring, and the closing pressure rod is slidably connected to the sloped side surface of the closing block, and when the closing pressure ring slides along the axis of the closing shell, the closing block is driven to slide on the sliding guide rail through the closing pressure rod;

[0039] The flattening unit is also provided with a fourth pressure rod to drive the closing pressure ring to move along the axis of the closing shell.

[0040] Furthermore, a closing upper cover is fixedly connected to the end of the large opening of the closing shell, and the closing upper cover is disc-shaped. A pressure hole is also provided on the closing upper cover. A fifth spring is also provided between the flattening unit and the bottom of the closing shell. The fifth spring is used to drive the closing pressure ring to move upward. When the flattening unit moves, the fourth pressure rod passes through the pressure hole and presses the closing pressure ring to move downward.

[0041] Furthermore, a plurality of fourth pressure rods are provided, and the fourth pressure rods are evenly distributed around the axis of the leveling rod in the circumferential direction, and the leveling unit further includes:

[0042] A flat shell fixedly connected to the body, the flat shell being provided with a second spring hole, the flat rod sliding in the second spring hole;

[0043] The fourth pressure rod is connected by an annular pressure plate, the annular pressure plate is fixed to one end of the fourth pressure rod, the fourth pressure rod is located in the second spring hole, the fourth pressure rod is also sleeved with a fourth spring, and both ends of the fourth spring abut against the annular pressure plate and one end of the second spring hole close to the circulation unit;

[0044] A second pressing plate is also provided on the leveling rod, and a third spring is also sleeved on the leveling rod. The third spring is located between the second pressing plate and the third pressing rod, and the third pressing rod is slidably connected to the leveling rod.

[0045] In summary, the present invention has the following beneficial effects compared with the prior art:

[0046] The present invention forms tiny ice crystals by low-temperature condensation of water inside the filling, thereby increasing the particle size of the siomai filling, making it a semi-frozen state, reducing the fluidity of the filling, and increasing the viscosity of the siomai filling, making it less likely to deform. The method of freezing the filling by low-temperature condensation technology can also increase the water content in the filling when making the filling without affecting the shape of the siomai, making the siomai filling more delicate and improving the taste of the siomai. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 The present invention is a flowchart of a method for making dry steamed siomai disclosed in an embodiment of the present invention.

[0048] Figure 2 The figure is a schematic diagram of the structure of a siomai forming machine disclosed in an embodiment of the present invention.

[0049] Figure 3 It is a schematic structural diagram of a stuffing injection unit in a siomai forming machine disclosed in an embodiment of the present invention.

[0050] Figure 4It is a schematic structural diagram of a condensing unit in a siomai forming machine disclosed in an embodiment of the present invention.

[0051] Figure 5 It is a schematic structural diagram of a stuffing injection component and a skin cutting component in a siomai forming machine disclosed in an embodiment of the present invention in a fully cutaway state.

[0052] Figure 6 This is a schematic structural diagram of a siomai forming machine disclosed in an embodiment of the present invention in which a filling unit does not include a shell cutting unit.

[0053] Figure 7 It is a schematic structural diagram of a flattening unit in a siomai forming machine disclosed in an embodiment of the present invention.

[0054] Figure 8 This is a schematic structural diagram of a siomai forming machine disclosed in an embodiment of the present invention in which a flattening unit does not include a flattening shell.

[0055] Fig. 9 It is a schematic structural diagram of a flattening unit in a siomai forming machine disclosed in an embodiment of the present invention in a fully cut-away state.

[0056] Fig.10 It is a schematic structural diagram of a closing unit in a siomai forming machine disclosed in an embodiment of the present invention.

[0057] Fig.11 It is an exploded view of the closing unit in the siomai forming machine disclosed in an embodiment of the present invention.

[0058] Fig.12 The present invention is a schematic structural diagram of a closing block in a siomai forming machine disclosed in an embodiment of the present invention.

[0059] Fig.13 It is a schematic structural diagram of a feeding unit in a siomai forming machine disclosed in an embodiment of the present invention.

[0060] Reference numerals:

[0061] 100. Body;

[0062] 200, circulation unit; 210, upstream turntable; 220, downstream turntable;

[0063] 300, dough forming unit;

[0064] 400, filling unit; 410, filling mixing assembly; 411, mixing hopper; 412, filling conveying assembly; 420, condensing assembly; 421, condensing shell; 422, condensing branch pipe; 423, mixing pipe; 424, conveying pipe; 425, cold air injection pipe; 430, filling assembly; 431, filling pipe; 432, filling piston rod; 433, first pressure cylinder; 434, second pressure cylinder; 435, first pressing plate; 436, first pressing rod; 437, second pressing rod; 440, skin cutting shell; 441, first spring hole; 450, skin cutting pipe; 460, spring sleeve; 470, first spring; 480, second spring;

[0065] 500, leveling unit; 510, leveling housing; 511, second spring hole; 520, limit cover; 530, leveling rod; 531, second pressing plate; 540, third pressing rod; 541, spring groove; 550, third pressure cylinder; 560, fourth pressing rod; 570, third spring; 580, fourth spring;

[0066] 600. Residue collection unit;

[0067] 700, unloading unit; 710, lifting cylinder; 720, pushing cylinder; 730, pushing plate; 800, closing unit;

[0068] 810, closing shell; 820, sliding guide rail; 830, fifth spring; 840, closing block; 841, first guide rail groove; 842, second guide rail groove; 843, contour surface; 850, closing pressure ring; 851, closing pressure rod; 860, closing upper cover; 861, pressure hole; 862, guide groove; 870, elastic lining. DETAILED DESCRIPTION

[0069] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0070] Example 1

[0071] like Figure 1 As shown, an embodiment of the present invention provides a method for making dry steamed siomai, the method comprising the following steps:

[0072] Step S100, kneading the dough according to a preset raw material ratio to make dough, and making fillings according to a preset raw material ratio;

[0073] Step S200, making dough into dough skins by dough skin forming equipment and then dividing the dough skins into siomai skins;

[0074] Step S300, the filling is condensed at low temperature by a condensation device to form ice crystals inside the filling;

[0075] Step S400, the siomai forming device presses the dough into a cylindrical shape, injects the filling containing ice crystals, and then presses it into a preset shape through a closing structure to make dry steamed siomai;

[0076] Step S500, the finished dry steamed siomai is stored and frozen;

[0077] Specifically, step S100 and step S200 are completed by a siomai machine in the prior art, and the condensing device can be a cold storage. For example, the prepared filling is placed in the cold storage for refrigeration for a period of time, so that the moisture inside the filling forms tiny ice crystals, which increases the particle size of the siomai filling and forms a semi-frozen state, thereby increasing the viscosity of the siomai filling. The state of the tiny crystals described in this embodiment is that the filling is in the shape of a smoothie. The step S400 can be implemented by a siomai machine in the prior art, and the step S500 is a prior art and will not be repeated here.

[0078] The method of freezing the fillings through low-temperature condensation technology can also increase the water content in the fillings without affecting the shape of the siomai, making the fillings of the siomai more delicate and improving the taste of the siomai.

[0079] Example 2

[0080] In one embodiment of the present invention, Figure 2 As shown, this embodiment discloses a dry steamed siomai making device, which is used to implement the dry steamed siomai making method described in Example 1, comprising:

[0081] Body 100;

[0082] The circulation unit 200 provided on the machine body 100 is used to control the circulation of siomai along each station;

[0083] A filling injection unit 400 is provided on the body 100, and is provided with a filling mixing assembly 410, a condensing assembly 420 and a filling injection assembly 430. The filling mixing assembly 410 is used to prepare fillings and convey the fillings to the condensing assembly 420 and the filling injection assembly 430. The condensing assembly 420 condenses the fillings at low temperature to a state containing ice crystals, and the filling injection assembly 430 injects the fillings into the siomai wrapper on the circulation unit 200;

[0084] The closing unit 800 disposed in the circulation unit 200 is used to close the siomai to make it into a preset shape;

[0085] In this embodiment, the siomai wrapper is placed on the mouth of the closing unit 800 located on the circulation unit 200, and the circulation unit 200 transfers the siomai wrapper to the position of the filling injection unit 400. The filling mixing component 410 passes the stirred and mixed filling into the condensation component 420. When the filling passes through the condensation component 420, the moisture in the filling forms ice crystals in the low temperature environment in the condensation component 420. The filling passing through the condensation component 420 is injected into the siomai wrapper by the filling injection component 430. When the filling is injected, the siomai wrapper forms a cylindrical shape in the forming cavity of the closing unit 800, and then the circulation unit 200 is circulated. After flowing out of the filling injection unit 400, the closing unit 800 closes and squeezes the siomai to form a preset shape, such as a vase shape. The dry steamed siomai making equipment disclosed in the embodiment of the present invention condenses the moisture in the filling through the condensation component 420 before injecting the filling, so that the particles with smaller particle size inside condense into larger particles, reducing the fluidity of the filling and making it less likely to deform.

[0086] Specifically, in this embodiment, the machine body 100 is a box-type structure in the prior art, and a control mechanism such as a computer or an industrial computer can be placed in the machine body 100. The control device is used to control the coordinated work of each unit in the production equipment disclosed in this embodiment;

[0087] In this embodiment, the flow unit 200 is a rotating disc-shaped structure, and the flow unit 200 is driven to rotate by a rotating structure arranged in the body 100. The rotating structure is a prior art, such as a rotating output structure of a motor and a reducer. The connection method between the flow unit 200 and the body 100 is a prior art, such as the flow unit 200 is rotatably connected to the body 100 through a bearing by a rotating shaft structure. When circulating, the flow unit 200 circulates by rotating.

[0088] As a preferred implementation in this embodiment, the production equipment further includes a dough skin forming unit 300, which is used to make continuous long strips of dough skin. The dough skin made by the dough skin forming unit 300 is transferred by a roller conveying structure to the discharge port of the filling injection unit 400 and between the circulation unit 200, wherein the filling injection unit 400 is provided with a skin cutting component, which cuts the siomai skin on the dough skin before injecting the filling;

[0089] In this embodiment, the dough skin forming unit 300 is a prior art, and the dough skin forming unit 300 is arranged on one side of the filling injection unit 400, and the dough skin forming unit 300 is electrically connected to the control mechanism in the body 100, and the dough skin forming unit 300 produces a long strip of dough skin;

[0090] Preferably, a residual material collecting unit 600 is further provided on the other side of the filling injection unit 400, and the residual material collecting unit 600 is used to collect the residual dough skin after the filling injection unit 400 cuts the siomai skin. The residual material collecting unit 600 is a roller conveying structure in the prior art, on which an active roller and a driven roller are provided, and the active roller and the driven roller are driven to rotate by a roller motor, and the residual dough skin is located between the active roller and the driven roller, and the active roller and the driven roller are used to drive the dough skin to move. A dough skin collecting bin is also provided on one side of the residual material collecting unit 600, and the residual material collecting unit 600 delivers the residual dough skin to the collecting bin;

[0091] The dough skin forming unit 300 and the residual material collecting unit 600 are respectively located on both sides of the filling injection unit 400 . For example, when the dough skin forming unit 300 is located on the left side of the filling injection unit 400 , the residual material collecting unit 600 is located on the right side of the filling injection unit 400 .

[0092] As a preferred implementation in this embodiment, Figures 3 to 5 As shown, the stuffing mixing component 410 includes a mixing hopper 411 and a stuffing conveying component 412, wherein a stirring structure is arranged in the mixing hopper 411 to mix the stuffing, and the stuffing conveying component 412 is arranged at the bottom of the mixing hopper 411 to squeeze the stuffing into the condensing component 420 and the stuffing injection component 430, and the mixing hopper 411 and the stuffing conveying component 412 are prior art, such as the mixing hopper 411 is a bucket-shaped structure with a large upper end and a small lower end, and the stirring structure in the mixing hopper 411 includes a stirring motor and a stirring shaft, and the stirring shaft is provided with a plurality of L-shaped rod-shaped stirring structures arranged in the circumferential direction, and the stirring motor drives the stirring shaft to rotate to stir the stuffing, and the stuffing conveying component 412 is a stuffing delivery mechanism of a steamed dumpling machine in the prior art, and the stuffing output port of the stuffing conveying component 412 is connected to the condensing component 420 through a tubular structure;

[0093] The condensation component 420 includes a condensation shell 421, a condensation branch pipe 422, a material combining pipe 423 and a conveying pipe 424. The condensation shell 421 is a closed cavity structure. The condensation shell 421 is connected to a cold air generating structure through a cold air injection pipe 425. The cold air generating structure inputs low-temperature cold air into the condensation shell 421. The temperature of the low-temperature cold air is below zero degrees. The condensation branch pipe 422 is provided with multiple groups. The condensation branch pipe 422 is connected to the filling conveying component 412 and the material combining pipe 423. The filling conveying component 412 outputs the filling. The material flows into the material combining pipe 423 through the condensation branch pipe 422. The condensation branch pipe 422 is located in the condensation shell 421 for heat exchange. The material combining pipe 423 is a hollow cavity structure. The delivery pipe 424 is used to connect the material combining pipe 423 and the filling component 430. The filling in the material combining pipe 423 flows into the filling component 430 through the delivery pipe 424. At least one delivery pipe 424 is provided. The condensation shell 421, the condensation branch pipe 422, the material combining pipe 423 and the delivery pipe 424 are all made of food-grade stainless steel.

[0094] like Figure 5 and Figure 6 As shown, the filling injection assembly 430 is a prior art, and the filling injection assembly 430 includes a filling tube 431, a filling piston rod 432, a first pressure cylinder 433 and a second pressure cylinder 434. The filling tube 431 is fixedly connected to the output end of the second pressure cylinder 434 via a first pressure rod 436, and the filling piston rod 432 is fixedly connected to the output end of the first pressure cylinder 433 via a second pressure rod 437. The filling tube 431 is connected to the feed pipe 424. When the filling is injected, the filling tube 431 moves toward the direction of the circulation unit 200 driven by the second pressure cylinder 434, and at the same time, the filling piston rod 432 moves toward the direction of the circulation unit 200 driven by the first pressure cylinder 433. The injection tube 431 stops when it moves to a preset position, and the injection piston rod 432 continues to move. When the injection piston rod 432 moves downward, the filling in the injection tube 431 is injected into the siomai skin, and the siomai skin is pressed into the closing unit 800 at the same time, and the filling fills the molding cavity in the closing unit 800. The injection tube 431 is connected to the machine body 100 through a connecting shell, and a sliding hole is provided on the connecting shell. The injection tube 431 is located in the sliding hole, and the delivery pipe 424 is connected to the inner wall of the sliding hole. The injection tube 431 is provided with an injection hole connected to the delivery pipe 424. When the injection tube 431 slides, the injection hole is misaligned with the mouth of the delivery pipe 424, thereby blocking the delivery pipe 424 to prevent the filling from flowing back.

[0095] In this embodiment, a first pressing plate 435 is provided on the injection pipe 431. Figure 5and Figure 6 As shown, the skin cutting component includes:

[0096] A peeling shell 440 fixedly connected to the machine body 100, wherein the peeling shell 440 is provided with a first spring hole 441 located outside the filling injection assembly 430;

[0097] A skin cutting tube 450 is slidably connected to the first spring hole 441, and the skin cutting tube 450 is sleeved on the injection tube 431. The inner diameter of the mouth of the skin cutting tube 450 close to the circulation unit 200 is the same as the inner diameter of the siomai skin;

[0098] A first spring 470 sleeved on the skin cutting tube 450, wherein two ends of the first spring 470 respectively abut against the bottom of the first spring hole 441 and the end of the skin cutting tube 450 away from the circulation unit 200;

[0099] A second spring 480 is sleeved on the outside of the injection tube 431, and two ends of the second spring 480 abut against the end of the skin cutting tube 450 away from the circulation unit 200 and the first pressing plate 435;

[0100] In this embodiment, when the injection tube 431 moves downward, the skin-cutting tube 450 is driven to move downward, the second spring 480 and the first spring 470 are compressed, and the skin-cutting tube 450 moves to the end surface of the closing unit 800 to cut the dough skin, and the injection tube 431 continues to descend to the preset position;

[0101] Specifically, the cutting tube 450 is cylindrical with openings at both ends, the end of the cutting tube 450 close to the circulation unit 200 is stepped to form an incision, the cutting tube 450 is slidably connected to the injection tube 431, and the end of the cutting tube 450 away from the incision is provided with a first end panel, the second spring 480 and the first spring 470 are located on both sides of the end panel, the first pressing plate 435 is annular, and the first pressing plate 435 is fixedly connected to the injection tube 431 by screws;

[0102] Preferably, a spring sleeve 460 is further sleeved in the second spring 480 , and a second end panel is provided between the end of the second spring 480 and the first pressing plate 435 . The spring sleeve 460 is slidably connected to the injection tube 431 .

[0103] As a preferred implementation in this embodiment, the production equipment further includes a flattening unit 500, which is used to flatten the fillings of the siomai when closing the mouth;

[0104] like Figures 7 to 9 As shown, the leveling unit 500 includes:

[0105] A third pressure cylinder 550 is fixedly connected to the machine body 100, and a flattening rod 530 is fixedly connected to the output end of the third pressure cylinder 550. The third pressure cylinder 550 drives the flattening rod 530 to move up and down. When the end of the flattening rod 530 moves to the mouth of the siomai, the filling of the siomai can be flattened.

[0106] Specifically, the third pressure cylinder 550 is fixedly connected to the machine body 100 by bolts, and the end of the output end of the third pressure cylinder 550 is fixedly connected with a third pressure rod 540, and one end of the third pressure rod 540 away from the third pressure cylinder 550 is fixedly connected to the leveling rod 530, and the leveling rod 530 is a metal column, and the leveling rod 530 is arranged in parallel with the third pressure cylinder 550. When the output end of the third pressure cylinder 550 is extended and retracted, the leveling rod 530 moves slightly following the retracted end of the third pressure cylinder 550;

[0107] As a preferred implementation in this embodiment, Figures 10 to 13 As shown, the flow unit 200 includes an upstream turntable 210 and a downstream turntable 220. During the flow, the upstream turntable 210 rotates, and the downstream turntable 220 is fixedly connected to the body 100. The downstream turntable 220 is annular and is located at the lower end of the closing unit 800. The end of the closing unit 800 is slidably connected to the flow unit 200. The closing unit 800 includes:

[0108] The closing shell 810 is cylindrical, the end of the closing shell 810 close to the downstream turntable 220 is the bottom end, the bottom end is provided with a small opening, and the end of the closing shell 810 away from the downstream turntable 220 is the top end and is provided with a large opening;

[0109] A plurality of sliding guide rails 820 located at the bottom of the closing shell 810, wherein the sliding guide rails 820 are evenly distributed around the axis of the closing shell 810 in a divergent shape;

[0110] A plurality of closing blocks 840 are slidably connected to the sliding guide rail 820, and a contour surface 843 is provided on one side of the closing block 840 close to the axis of the closing shell 810. The closing blocks 840 are fitted together to form a forming cavity for siomai, and the contour surface 843 forms the inner wall of the forming cavity. The side of the closing block 840 away from the contour surface 843 is a sloped side surface;

[0111] A closing pressure ring 850 slidably connected to the closing shell 810, a closing pressure rod 851 is provided on the closing pressure ring 850, and the closing pressure rod 851 is slidably connected to the sloped side of the closing block 840. When the closing pressure ring 850 slides along the axis of the closing shell 810, the closing block 840 is driven to slide on the sliding guide rail 820 through the closing pressure rod 851;

[0112] The flattening unit 500 is also provided with a fourth pressing rod 560 to drive the closing pressing ring 850 to move along the axis of the closing shell 810;

[0113] Specifically, the bottom end of the closing shell 810 forms a small opening through an annular structure, the fifth spring 830 is fixedly connected to the annular structure by welding, the annular structure is fixedly connected to the closing shell 810 by welding, the fifth spring 830 is a T-shaped guide rail, and the closing block 840 is provided with a second guide rail groove 842 on one side close to the bottom end of the closing shell 810, the second guide rail groove 842 is a T-shaped slide groove, the second guide rail groove 842 is sleeved on the sliding guide rail 820, and the closing block 8 The sloped side of 40 is provided with a first guide groove 841, the first guide groove 841 is a T-shaped slide groove, the end of the closing pressure rod 851 connected to the closing block 840 is provided with a T-shaped head, the T-shaped head is slidably connected to the first guide groove 841, a plurality of the closing blocks 840 form a frustum, the contoured surface 843 is provided with a curved surface that fits the side of the siomai, the molding cavity is a preset shape, such as a vase shape, the closing pressure ring 850 is annular, and the closing pressure ring 850 fits the inner wall of the closing shell 810;

[0114] Preferably, a closing cover 860 is fixedly connected to the end of the large opening of the closing shell 810, and the closing cover 860 is disc-shaped. The closing cover 860 is fixedly connected to the end of the closing shell 810 by screws, and a guide groove 862 is provided on the closing cover 860. The guide groove 862 is a prior art. A pressure hole 861 is also provided on the closing cover 860. A fifth spring 830 is also provided between the flattening unit 500 and the bottom of the closing shell 810. The fifth spring 830 is used to drive the closing pressure ring 850 to move upward. When the flattening unit 500 moves, the fourth pressure rod 560 passes through the pressure hole 861 and presses the closing pressure ring 850 to move downward.

[0115] Preferably, a plurality of fourth pressure rods 560 are provided, and the fourth pressure rods 560 are evenly distributed around the axis of the leveling rod 530 in the circumferential direction. The leveling unit 500 further includes:

[0116] A flat shell 510 fixedly connected to the body 100, the flat shell 510 is provided with a second spring hole 511, and the flat rod 530 slides in the second spring hole 511;

[0117] The fourth pressure rod 560 located around the same second pressure plate 531 is connected through an annular pressure plate, and the annular pressure plate is fixed to one end of the fourth pressure rod 560. The fourth pressure rod 560 is located in the second spring hole 511. The fourth pressure rod 560 is also sleeved with a fourth spring 580. Both ends of the fourth spring 580 abut against the annular pressure plate and one end of the second spring hole 511 close to the circulation unit 200.

[0118] The leveling rod 530 is also provided with a second pressing plate 531, and the leveling rod 530 is also sleeved with a third spring 570, the third spring 570 is located between the second pressing plate 531 and the third pressing rod 540, the third pressing rod 540 is slidably connected to the leveling rod 530, and the third pressing rod 540 continues to move after pressing the second pressing plate 531 to the bottom of the second spring hole 511 to press the fourth pressing rod 560 to move downward, at this time, the third spring 570 and the fourth spring 580 are both compressed, and the third pressing rod 540 is provided with a spring groove 541, and one end of the third spring 570 is located in the spring groove 541;

[0119] The flat housing 510 is also fixedly connected to a limiting cover 520, and the limiting cover 520 is used to limit the fourth pressure rod 560 to prevent it from being separated from the second spring hole 511; the limiting cover 520 is fixedly connected to the flat housing 510 by screws, and the diameter of the mouth of the limiting cover 520 sleeved on the flat rod 530 is smaller than the diameter of the annular pressure plate;

[0120] As a preferred implementation manner in this embodiment, the closing unit 800 also includes an elastic lining 870 fixedly connected to the molding cavity, the elastic lining 870 is cylindrical with openings at both ends, the elastic lining 870 is an elastic silicone sleeve, and the ends of the elastic lining 870 are respectively fixedly connected to the closing upper cover 860 and the closing outer shell 810, so as to prevent indentations from forming on the surface of the siomai.

[0121] like Fig.13 As shown, the downstream turntable 220 is provided with a through hole at the unloading end, and the unloading unit 700 includes:

[0122] A lifting cylinder 710 fixedly connected to the body 100, a top block is provided on the output end of the lifting cylinder 710, the top block is located on the downstream turntable 220, when no material is discharged, the top block is located in the through hole of the downstream turntable 220, and the end surface of the top block is flush with the downstream turntable 220;

[0123] A push cylinder 720 fixedly connected to the machine body 100, the push cylinder 720 is located above the upstream turntable 210, and a push plate 730 is fixedly connected to the output end of the push cylinder 720;

[0124] In this embodiment, the material cutting principle of the pushing cylinder 720 and the pushing plate 730 is prior art and will not be described in detail here.

[0125] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for making dry steamed siomai, characterized in that: The production method comprises the following steps: Step S100, kneading the dough according to a preset raw material ratio to make dough, and making fillings according to a preset raw material ratio; Step S200, making dough into dough skins by dough skin forming equipment and then dividing the dough skins into siomai skins; Step S300, the filling is condensed at low temperature by a condensation device to form ice crystals inside the filling; Step S400, the siomai forming device presses the dough into a cylindrical shape, injects the filling containing ice crystals, and then presses it into a preset shape through a closing structure to make dry steamed siomai; Step S500, the finished dry steamed siomai is stored and frozen; The siomai making equipment is used to implement the dry steamed siomai making method, comprising: Body; A circulation unit provided on the machine body is used to control the circulation of siomai along various workstations; A filling injection unit is provided on the machine body, wherein the filling injection unit is provided with a filling mixing component, a condensing component and a filling injection component, the filling mixing component is used to prepare the filling and convey the filling to the condensing component and the filling injection component, the condensing component condenses the filling at low temperature to a state containing ice crystals, and the filling injection component injects the filling into the siomai wrapper on the circulation unit; A closing unit provided in the circulation unit is used to close the siomai to make it into a preset shape; The condensation component includes a condensation shell, a condensation branch pipe, a material combining pipe and a conveying pipe. The condensation shell is a closed cavity structure. The condensation shell is connected to a cold air generating structure through a cold air injection pipe. The cold air generating structure inputs low-temperature cold air into the condensation shell. The temperature of the low-temperature cold air is below zero. The condensation branch pipes are provided with multiple groups. The condensation branch pipes are connected with the filling conveying component and the material combining pipe. The filling output by the filling conveying component flows into the material combining pipe through the condensation branch pipe. The condensation branch pipe is located in the condensation shell for heat exchange. The material combining pipe is a hollow cavity structure. The conveying pipe is used to connect the material combining pipe and the filling injection component. The filling in the material combining pipe flows into the filling injection component through the conveying pipe. At least one conveying pipe is provided; The production equipment also includes a flattening unit for flattening the fillings of the siomai when closing the mouth; The leveling unit comprises: A third pressure cylinder is fixedly connected to the machine body, and a flattening rod is connected to the output end of the third pressure cylinder. The third pressure cylinder drives the flattening rod to move up and down, and the end of the flattening rod flattens the fillings of the siomai when it moves to the mouth of the siomai. The third pressure cylinder is fixedly connected to the machine body by bolts, the end of the output end of the third pressure cylinder is fixedly connected to a third pressure rod, one end of the third pressure rod away from the third pressure cylinder is fixedly connected to the flattening rod, the flattening rod is a metal column, the flattening rod is arranged parallel to the third pressure cylinder, when the output end of the third pressure cylinder is extended and retracted, the flattening rod moves slightly following the retracting end of the third pressure cylinder; The flow unit includes an upstream turntable and a downstream turntable. During circulation, the upstream turntable rotates, and the downstream turntable is fixedly connected to the machine body. The downstream turntable is annular and is located at the lower end of the closing unit. The end of the closing unit is slidably connected to the flow unit.

2. The method for making dry steamed siomai according to claim 1, characterized in that: The production equipment also includes: A dough skin forming unit is used to make continuous long strips of dough skin. The dough skin made by the dough skin forming unit is transferred by a roller conveying structure to the discharge port of the filling unit and between the transfer unit; Wherein, the filling injection unit is provided with a skin cutting component, and the skin cutting component cuts the siomai skin on the dough before injecting the filling.

3. The method for making dry steamed siomai according to claim 2, characterized in that: A first pressing plate is arranged on the injection tube on the filling injection assembly, and the skin cutting assembly comprises: A peel cutting shell fixedly connected to the machine body, wherein the peel cutting shell is provided with a first spring hole located outside the filling injection assembly; A skin cutting tube slidably connected to the first spring hole, the skin cutting tube is sleeved on the injection tube, and the inner diameter of the mouth of the skin cutting tube close to the circulation unit is the same as the inner diameter of the siomai skin; A first spring is sleeved on the leather cutting tube, and two ends of the first spring respectively abut against the bottom of the first spring hole and the end of the leather cutting tube away from the circulation unit; a second spring is sleeved on the outside of the injection tube, and two ends of the second spring abut against the end of the leather cutting tube away from the circulation unit and the first pressure plate.

4. The method for making dry steamed siomai according to claim 1, characterized in that: The closing unit comprises: The closing shell is cylindrical, the end of the closing shell close to the downstream turntable is the bottom end, the bottom end is provided with a small opening, and the end of the closing shell away from the downstream turntable is the top end and is provided with a large opening; A plurality of sliding guide rails located at the bottom end of the closing shell, wherein the sliding guide rails are evenly distributed around the axis of the closing shell in a divergent shape; A plurality of closing blocks are slidably connected to the sliding guide rail, a side of the closing block close to the axis of the closing shell is provided with a profiling surface, the plurality of closing blocks are fitted together to form a forming cavity for siomai, the profiling surface forms an inner wall of the forming cavity, and a side of the closing block away from the profiling surface is a sloped side surface; A closing pressure ring slidably connected to the closing shell, a closing pressure rod is provided on the closing pressure ring, and the closing pressure rod is slidably connected to the sloped side surface of the closing block, and when the closing pressure ring slides along the axis of the closing shell, the closing block is driven to slide on the sliding guide rail through the closing pressure rod; The flattening unit is also provided with a fourth pressure rod to drive the closing pressure ring to move along the axis of the closing shell.

5. The method for making dry steamed siomai according to claim 4, characterized in that: A closing upper cover is fixedly connected to the end of the large opening of the closing shell, and the closing upper cover is disc-shaped. A pressure hole is also provided on the closing upper cover. A fifth spring is also provided between the flattening unit and the bottom of the closing shell. The fifth spring is used to drive the closing pressure ring to move upward. When the flattening unit moves, the fourth pressure rod passes through the pressure hole and presses the closing pressure ring to move downward.

6. The method for making dry steamed siomai according to claim 5, characterized in that: The fourth pressure rods are provided in plurality, and the fourth pressure rods are evenly distributed around the axis of the leveling rod in the circumferential direction, and the leveling unit further includes: A flat shell fixedly connected to the body, the flat shell being provided with a second spring hole, the flat rod sliding in the second spring hole; The fourth pressure rod is connected by an annular pressure plate, the annular pressure plate is fixed to one end of the fourth pressure rod, the fourth pressure rod is located in the second spring hole, the fourth pressure rod is also sleeved with a fourth spring, and both ends of the fourth spring abut against the annular pressure plate and one end of the second spring hole close to the circulation unit; A second pressing plate is also provided on the leveling rod, and a third spring is also sleeved on the leveling rod. The third spring is located between the second pressing plate and the third pressing rod, and the third pressing rod is slidably connected to the leveling rod.

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