Double-helix pastry processing technology and automatic processing equipment thereof

Abstract

The invention relates to the field of food processing, and discloses a processing technology of double-helix pastry automatic processing equipment, and the processing technology comprises the following steps: step 1, respectively putting water-oil dough and pastry dough into conveying pipelines of two extrusion assemblies; 2, an air cylinder is started to drive a piston, a piston rod and a driving part to move, when the piston reaches the maximum moving distance, the piston rod blocks a feeding opening, a first motor drives a lead screw to rotate, the lead screw drives a nut piece, a connecting rod and a push plug to move, the push plug abuts against and pushes the dough, and the dough is conveyed to a first conveying belt in the form of sheet dough through a flat extrusion head; step 3, rolling the sheet wrappers through a rolling part and a rolling assembly, and folding the sheet wrappers on a fourth conveying belt or a fifth conveying belt through a folding assembly; 4, after the dough is used up, the air cylinder and the first motor operate reversely, the extrusion assembly is reset, the first step is repeated, new dough is put in, and then the second step to the third step are repeated.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of food processing, in particular to the field of snack processing, and more particularly to a double spiral crisp skin processing technology and an automatic processing equipment thereof. BACKGROUND

[0002] The double spiral crisp skin is a very popular and visually appealing Chinese open-crisp snack. Its secret lies in the combination of two types of dough and two colors, forming a spiral structure with double-color interlacing and layer-by-layer wrapping through a specific folding method. It is commonly used to make the outer skin of snacks such as egg yolk crisp, durian crisp, and pineapple crisp.

[0003] Specifically, the two types of dough are water-oil dough and oil-crisp dough. The oil-crisp dough usually contains pigments, while the water-oil dough remains its original color. Then the oil-crisp dough and the water-oil dough are extruded through two pressure channels simultaneously in the form of sheet-shaped dough, and the sheet-shaped dough is extruded by an extrusion roller. Then the extruded sheet-shaped dough is folded to form a shape as shown in the accompanying drawings, and then the folded sheet-shaped dough is folded again and extruded. Finally, the obtained sheet-shaped dough is cut to a certain length to obtain the raw material for making snacks. In this process, the consistency of the thickness of the two sheet-shaped doughs extruded through independent channels simultaneously is one of the important factors affecting the taste of the final crisp skin. Figure 1

[0004] In the prior art, the dough is usually placed in the channel, and then a piston is driven to move in the channel by pneumatic or electric means to extrude the dough. However, whether it is pneumatic or electric driving, when the piston is driven to move, there will be a reaction force when the dough is extruded, and the amount of dough added to the channel each time is different. Therefore, the moving speed of the two pistons corresponding to the two doughs is different, and the speed difference will result in a difference in the thickness of the two sheet-shaped doughs extruded, thereby affecting the taste of the final crisp skin.

[0005] Based on the above, the present application provides a double spiral crisp skin processing technology and an automatic processing equipment thereof. SUMMARY

[0006] To solve the problems mentioned in the background, the present application provides a double spiral crisp skin processing technology and an automatic processing equipment thereof.

[0007] To achieve the above technical purposes, the technical solutions adopted by the present application are as follows.

[0008] ​A double-helix puff pastry automated processing equipment includes a frame on which several conveyor belts arranged horizontally and parallel to each other are arranged. These belts are a first conveyor belt and a second conveyor belt at the same height, a third conveyor belt below the first conveyor belt, a fourth conveyor belt below the third conveyor belt, and a fifth conveyor belt below the fourth conveyor belt. Two extrusion components are arranged facing each other above the first conveyor belt. Folding components are provided between the discharge end of the third conveyor belt and the feed end of the fourth conveyor belt, and between the discharge end of the fourth conveyor belt and the feed end of the fifth conveyor belt. The extrusion assembly includes a conveying pipe, with a feed inlet at the highest point of the outer surface of the conveying pipe. A cylinder is provided at the opposite ends of the conveying pipes of the two extrusion assemblies, and an extrusion tube is provided at the opposite ends of the conveying pipes of the two extrusion assemblies. A flat extrusion head is provided at the end of the extrusion tube. The end of the flat extrusion head is located above the first conveyor belt, and the length direction of the end of the flat extrusion head is parallel to the width direction of the first conveyor belt. The piston and piston rod of the cylinder are both in the shape of a ring, and an inner support is provided in the internal area of ​​both. The inner support blocks the piston. A drive component is provided on the side of the inner support facing the flat extrusion head. A push plug is provided at the output end of the drive component. Initially, the push plug is in contact with the end of the piston rod.

[0009] Furthermore, a hopper is provided at the inlet opening.

[0010] Furthermore, the driving component includes a motor mounted on the inner support and coaxial with the conveying pipe, and a support body mounted on the inner support. The end of the pusher is provided with an inner guide rod. The guiding direction of the inner guide rod is parallel to the axis of the conveying pipe. The inner guide rod is slidably connected to the support body. The end of the inner guide rod is provided with a fixing ring. A spring is provided between the fixing ring and the support body. The elastic force of the spring is used to drive the pusher away from the flat extrusion head. A lead screw is coaxially mounted on the output end of motor one. A lead screw nut is mounted on the outside of the lead screw. The lead screw nut is connected to the push plug via a connecting rod. When the push plug contacts the piston rod, the lead screw nut and the lead screw form a threaded connection. When the distance between the push plug and the piston rod reaches its maximum value, the threaded connection between the lead screw nut and the lead screw is removed.

[0011] Furthermore, the screw nut is composed of two screw nut seats located on both sides of the screw rod. The screw nut seat has a threaded arc groove on the side facing the screw rod. When the two screw nut seats are in contact with each other, the two threaded arc grooves together form a threaded hole that can form a threaded connection with the screw rod. The side of the nut seat has a through mounting hole, and a pin is fitted inside the mounting hole. There are two pins and a spring is installed between the two pins. The ends of the two pins pass through the two openings of the mounting hole, and the ends of the pins are located in the linkage grooves set on the bracket body.

[0012] Furthermore, the linkage groove includes an inner guide section and an outer guide section whose guiding direction is parallel to the screw axis, with the inner guide section located on the side of the outer guide section facing the screw. The bottom of the outer guide section is divided into bottom one and bottom two, as well as bottom three for connecting the two. Bottom two is close to the push plug, and the distance between bottom one and the opening is smaller than the distance between bottom two and the opening. The two ends of the outer guide section are connected to the two ends of the inner guide section respectively, and the connection is provided with an inclined surface. The inclined surface near the push plug is used to guide the pin rod to move into the outer guide section, and the inclined surface away from the push plug is used to guide the pin rod to move into the inner guide section. The distance between the bottom of the groove and the opening of the groove in the outer guide section is less than the distance between the bottom of the groove and the opening of the groove in the inner guide section. The distance between the bottom of the groove and the opening of the groove in the outer guide section is greater than the distance between the bottom of the groove and the opening of the groove in the inner guide section. Initially, the end of the pin is located inside the inner guide section and at the end of the inner guide section away from the push plug. The second spring is compressed, and the nut and the lead screw form a threaded connection.

[0013] Furthermore, a roller pressing component is provided above the second conveyor belt. The roller pressing component includes a side support, on which a vertically arranged side guide rod is provided. A vibrating seat is slidably mounted on the side guide rod. The vibrating seat is located above the second conveyor belt and is equipped with a vibrator. A spring three is sleeved on the outside of the side guide rod and located between the vibrating seat and the side support. A pressure roller is provided at the bottom of the vibrating seat. The pressure roller is parallel to the width direction of the second conveyor belt, and the input end of the pressure roller is powered by a motor two.

[0014] Furthermore, roller pressing assemblies are installed above the third, fourth, and fifth conveyor belts.

[0015] Furthermore, the folding assembly includes a reciprocating support located above the feed end of the fourth conveyor belt or the feed end of the fifth conveyor belt, and a linkage structure that drives the reciprocating support to reciprocate and deflect, wherein the axis of the deflection trajectory of the reciprocating support is parallel to the conveying direction of the fourth conveyor belt. The reciprocating support includes a support body, and the upper surface of the support body is provided with two inclined sub-supports, which are located on both sides of the support body along the conveying direction of the fourth conveyor belt. The distance between the two sub-supports increases from bottom to top. Several guide rollers are arranged in an array on the sub-support along its own inclined direction. The guiding direction of the guide rollers is parallel to the conveying direction of the fourth conveyor belt.

[0016] Furthermore, a side support is provided on the outer circular surface of the conveying pipe, and the end of the extrusion tube is provided near the side support. A valve hole is provided on the side support, which penetrates to the inner wall of the conveying pipe. An exhaust hole is provided through the wall of the valve hole, and a valve plug is fitted inside the valve hole. A telescopic rod is provided on the side support for driving the valve plug to move within the valve hole.

[0017] A processing technology for an automated double-helix puff pastry processing equipment: Step 1: Put the water-oil dough and the oil-shortening dough into the conveying pipes of the two extrusion components respectively; Step 2: The cylinders of the two extrusion components share a single air pump; The cylinder starts and drives the piston to move. The piston, along with the piston rod and the drive components, moves together. When the piston reaches its maximum moving distance, the piston rod blocks the feed port. At this time, the dough is pushed into the area of ​​the conveying pipe located on the side of the feed port facing the flat extruder head. When the motor starts, it drives the lead screw to rotate. The lead screw drives the lead screw nut, connecting rod and pusher to move together. The pusher pushes the dough. After the dough passes through the extrusion tube and the flat extrusion head, it is conveyed as a sheet of dough onto the first conveyor belt. Step 3: The end of the sheet-like dough passes through the area between the roller pressing component and the second conveyor belt and then onto the third conveyor belt. After passing through the upper folding assembly, it is placed on the fourth conveyor belt, and finally through the lower folding assembly onto the fifth conveyor belt. During this process, the sheet-like dough is rolled by the cooperation of the roller pressing component and the roller pressing assembly. The sheet-like dough is folded onto the fourth or fifth conveyor belt by the folding assembly. Step 4: After the dough is used up, the cylinder and motor run in opposite directions to reset the extrusion component. Repeat Step 1, add new dough, and then repeat Steps 2-3.

[0018] Compared with the prior art, the beneficial effects of this invention are as follows: Technical Effect 1: In this case, the pneumatic extension (referring to the cylinder driving the piston and screw structure and the pusher to move) and the screw-driven extension (referring to the screw structure driving the pusher to move) are carried out simultaneously. The pneumatic extension part can quickly make the pusher come into contact with the dough, which can be completed in 2-3 seconds. At the same time, the screw-driven technology is used to directly and uniformly extrude the dough. In this case, no matter how large the volume of the dough is, the pusher can make contact with the dough and extrude the material in a short time. The applicable area is wider and there is no need to consider the volume of the dough. Technical effect 2: As mentioned above, in this case, the pneumatic drive extension and the screw drive extension are activated synchronously. Within the aforementioned 2-3 seconds, the pusher has switched from the acceleration state to the uniform speed state. In other words, when the pusher is pressing and squeezing the dough to expel the material, the pusher moves forward at a uniform speed, which ensures that the extruded sheet of dough is at a uniform speed and has a consistent thickness, which is beneficial to the quality of the later products. Technical effect 3: The amount of dough fed into the conveying pipe each time is difficult to control precisely, resulting in quantity errors. The speed at which the screws of the two extrusion components drive the pusher to move is also difficult to keep consistent, resulting in slight speed differences. Furthermore, since the cylinders of the two extrusion components share a single air pump in this case, the cylinders stop operating after the dough is pushed into the area of ​​the conveying pipe located on the side of the feed inlet facing the flat extruder head. The air pressure values ​​in the two cylinders are known and consistent. Furthermore, when the pusher is pushing against the dough, it will be subjected to a reaction force from the dough, and the faster the pusher is pushed, the greater the reaction force will be. Based on the above, it can be seen that in the process of using the lead screw to drive the pusher to move and push the dough, if the lead screw is faster than the preset speed, the reaction force will be greater. The drive component is followed by a cylinder, and the entire drive component can retract to the cylinder side. In other words, even if there is a speed difference between the lead screws of the two extrusion components, the cylinder plus lead screw structure in this case can compensate for the speed difference to a certain extent, thereby ensuring the consistency of the thickness of the sheet dough output by the flat extrusion head of the two extrusion components. Technical Effect 4: In this case, after a piece of dough is extruded, the threaded connection between the screw and the lead screw is removed. The extrusion assembly is quickly reset by the elastic force of the spring and the air pump. The feed port is opened so that new dough can be put in, and the feeding efficiency is faster. With the redundancy between the first and second conveyor belts, continuous and uninterrupted operation can be achieved. Attached Figure Description

[0019] Figure 1 A flowchart illustrating the processing of double-helix puff pastry; Figure 2 This is a schematic diagram of the folding of an existing sheet-like skin. Figure 3 This is a schematic diagram of the structure of the present invention; Figure 4 This is a schematic diagram of the extrusion assembly and the rolling components; Figure 5 This is a schematic diagram of the extrusion assembly; Figure 6 Cross-section of the extrusion assembly Figure 1 ; Figure 7 Cross-section of the extrusion assembly Figure 2 ; Figure 8 This is a schematic diagram of the drive component and the pusher. Figure 9 This is a schematic diagram of the support body and the nut component; Figure 10 This is a schematic diagram of the linkage groove; Figure 11 This is a schematic diagram of the folding component.

[0020] The labels in the attached diagram are: 100. Frame; 101. First conveyor belt; 102. Second conveyor belt; 103. Third conveyor belt; 104. Fourth conveyor belt; 105. Fifth conveyor belt; 106. Roller assembly; 200. Extrusion assembly; 201. Conveying pipe; 202. Cylinder; 2021. Piston; 2022. Piston rod; 2023. Inner support; 203. Hopper; 204. Extrusion tube; 205. Flat extrusion head; 206. Side support; 207. Valve plug; 208. Telescopic rod; 209. Exhaust port; 210. Valve hole; 211. Push plug; 212. Drive unit Components; 213, Motor 1; 214, Lead Screw; 215, Support Body; 2151, Linkage Groove; 2152, Inner Guide Section; 2153, Outer Guide Section; 216, Inner Guide Rod; 217, Spring 1; 218, Connecting Rod; 219, Lead Screw Nut; 2191, Lead Screw Nut Seat; 2192, Pin; 2193, Spring 2; 300, Roller Pressing Component; 301, Side Support; 302, Side Guide Rod; 303, Vibration Seat; 304, Spring 3; 305, Vibrator; 400, Folding Assembly; 401, Linkage Structure; 402, Reciprocating Support; 403, Guide Roller. Detailed Implementation

[0021] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0022] Reference Figure 3 A double-helix puff pastry automated processing equipment includes a frame 100, on which a plurality of horizontally arranged and parallel conveyor belts are provided. Specifically, it includes a first conveyor belt 101 and a second conveyor belt 102 at the same height, a third conveyor belt 103 below the first conveyor belt 101, a fourth conveyor belt 104 below the third conveyor belt 103, and a fifth conveyor belt 105 below the fourth conveyor belt 104.

[0023] Reference Figure 4 Two extrusion assemblies 200 arranged in opposite directions are provided above the first conveyor belt 101 for extruding sheet-like sheets.

[0024] Specifically, refer to Figures 5-7 The extrusion assembly 200 includes a conveying pipe 201. A feed inlet is provided at the highest point of the outer surface of the conveying pipe 201. A hopper 203 is provided at the opening of the feed inlet. The dough is fed into the conveying pipe 201 through the hopper 203 and the feed inlet.

[0025] A cylinder 202 is provided at the opposite end of the conveying pipe 201 of the two extrusion components 200, and an extrusion tube 204 is provided at the opposite end of the conveying pipe 201 of the two extrusion components 200. A flat extrusion head 205 is provided at the end of the extrusion tube 204. The end of the flat extrusion head 205 is located above the first conveyor belt 101 and the length direction of the end of the flat extrusion head 205 is parallel to the width direction of the first conveyor belt 101.

[0026] The piston 2021 and piston rod 2022 of cylinder 202 are both annular in shape and their internal areas form an installation area. An inner support 2023 is provided in the installation area, which blocks the piston 2021. A drive component 212 is provided on the side of the inner support 2023 facing the flat extrusion head 205. A push plug 211 is provided at the output end of the drive component 212. Initially, the push plug 211 is in contact with the end of the piston rod 2022.

[0027] Reference Figure 8 The drive component 212 includes a motor 213 mounted on the inner support 2023 and coaxial with the conveying pipe 201, and a support body 215 mounted on the inner support 2023.

[0028] An inner guide rod 216 is provided at the end of the pusher 211. The guiding direction of the inner guide rod 216 is parallel to the axis of the conveying pipe 201. The inner guide rod 216 and the support body 215 are slidably connected. A fixing ring is provided at the end of the inner guide rod 216. A spring 217 is provided between the fixing ring and the support body 215. The elastic force of the spring 217 is used to drive the pusher 211 away from the flat extrusion head 205.

[0029] A lead screw 214 is coaxially mounted on the output end of motor 213. A lead screw nut 219 is mounted on the outside of the lead screw 214. The lead screw nut 219 is connected to the push plug 211 through a connecting rod 218. When the push plug 211 contacts the piston rod 2022, the lead screw nut 219 and the lead screw 214 form a threaded connection. When the distance between the push plug 211 and the piston rod 2022 reaches its maximum value, the threaded connection between the lead screw nut 219 and the lead screw 214 is removed.

[0030] Furthermore, refer to Figure 9 and Figure 10 The threaded nut 219 consists of two threaded nut seats 2191 located on both sides of the lead screw 214. The threaded nut seat 2191 is provided with a threaded arc groove on the side facing the lead screw 214. When the two threaded nut seats 2191 are in contact with each other, the two threaded arc grooves together form a threaded hole that can form a threaded connection with the lead screw 214.

[0031] The side of the nut seat 2191 is provided with a mounting hole, and a pin 2192 is fitted inside the mounting hole. There are two pins 2192 and a spring 2193 is provided between the two pins 2192. The ends of the two pins 2192 pass through the two openings of the mounting hole respectively, and the ends of the pins 2192 are located in the linkage groove 2151 provided on the bracket body 215.

[0032] Furthermore, the linkage groove 2151 includes an inner guide section 2152 and an outer guide section 2153, the guide direction of which is parallel to the axis of the lead screw 214. The inner guide section 2152 is located on the side of the outer guide section 2153 facing the lead screw 214.

[0033] The bottom of the outer guide section 2153 is divided into bottom one, bottom two, and bottom three for connecting the two. Bottom two is close to the push plug 211. The distance between bottom one and the opening is smaller than the distance between bottom two and the opening. Therefore, bottom three is arranged at an angle.

[0034] The two ends of the outer guide section 2153 are respectively connected to the two ends of the inner guide section 2152, and the connection is provided with an inclined surface. The inclined surface near the push plug 211 is used to guide the pin 2192 to move into the outer guide section 2153, and the inclined surface away from the push plug 211 is used to guide the pin 2192 to move into the inner guide section 2152.

[0035] The distance between the bottom of the outer guide section 2153 and the opening of the groove is less than the distance between the bottom of the inner guide section 2152 and the opening of the groove, while the distance between the bottom of the outer guide section 2153 and the opening of the groove is greater than the distance between the bottom of the inner guide section 2152 and the opening of the groove.

[0036] Therefore, initially, the end of the pin 2192 is located inside the inner guide section 2152 and at the end of the inner guide section 2152 away from the push plug 211, the spring 2193 is compressed, and the nut 219 and the lead screw 214 form a threaded connection. Then, motor 213 drives lead screw 214 to rotate, causing lead screw nut 219 and push plug 211 to move. When the end of pin 2192 is located near the end of push plug 211 in inner guide section 2152, under the elastic force of spring 2193 and the guidance of inclined surface, the end of pin 2192 moves into outer guide section 2153. The movement of pin 2192 moves lead screw nut seat 2191 together, thereby canceling the threaded connection between lead screw nut 219 and lead screw 214. Then, spring 217 releases its elastic force, driving pusher 211 to retract and reset. At the same time, cylinder 202 starts traction piston 2021 to retract and reset, the feed port opens, and dough is fed in. It should be noted that during the reset process, under the guidance of the bottom three of the slot, the second spring 2193 is compressed, and when the reset is completed, the pin 2192 also completes the reset, and the nut 219 and the lead screw 214 resume threaded connection.

[0037] Reference Figure 3 and Figure 4 A roller pressing component 300 is provided above the second conveyor belt 102. Specifically, the roller pressing component 300 includes a side support 301, a vertically arranged side guide rod 302 is provided on the side support 301, a vibrating seat 303 is slidably provided on the side guide rod 302, the vibrating seat 303 is located above the second conveyor belt 102, a vibrator 305 is provided on the vibrating seat 303, a spring 304 is sleeved on the outside of the side guide rod 302 and located between the vibrating seat 303 and the side support 301, a pressure roller is provided at the bottom of the vibrating seat 303, the pressure roller is parallel to the width direction of the second conveyor belt 102, and a motor is powered to the input end of the pressure roller.

[0038] As the sheet-like dough passes through the second conveyor belt 102, the vibrator 305 and the second motor start, and the sheet-like dough is pressed by the pressure roller.

[0039] Reference Figure 3 Roller pressing assembly 106 is provided above the third conveyor belt 103, the fourth conveyor belt 104 and the fifth conveyor belt 105. The roller pressing assembly 106 is used to roll the sheet-like surface on the conveyor belt. The rolling method can be to use the existing technology of roller pressing the surface, or the roller pressing component 300 technology can also be used, which will not be described in detail.

[0040] Reference Figure 3 A folding assembly 400 is provided between the discharge end of the third conveyor belt 103 and the feed end of the fourth conveyor belt 104, and between the discharge end of the fourth conveyor belt 104 and the feed end of the fifth conveyor belt 105, for folding the sheet-like surface.

[0041] Specifically, refer to Figure 11 The folding assembly 400 includes a reciprocating support 402 located above the feed end of the fourth conveyor belt 104 or the feed end of the fifth conveyor belt 105, and a linkage structure 401 for driving the reciprocating support 402 to reciprocate. The linkage structure 401 can be implemented using existing linkage technology, which will not be described in detail. The axis of the deflection trajectory of the reciprocating support 402 is parallel to the conveying direction of the fourth conveyor belt 104.

[0042] The reciprocating support 402 includes a support body, and the upper surface of the support body is provided with two inclined sub-supports. The sub-supports are located on both sides of the support body along the conveying direction of the fourth conveyor belt 104, and the distance between the two sub-supports increases from bottom to top.

[0043] Several guide rollers 403 are arranged in an array along their own inclined direction on the support frame. The guiding direction of the guide rollers 403 is parallel to the conveying direction of the fourth conveyor belt 104.

[0044] The end of the sheet-like sheet passes through the area between the two lowest guide rollers 403. Simultaneously, the reciprocating support 402 is driven to reciprocate via the linkage structure 401, and either the fourth conveyor belt 104 or the fifth conveyor belt 105 starts. The two work together to allow the sheet-like sheet to... Figure 2 The folded state is shown on the fourth conveyor belt 104 or the fifth conveyor belt 105.

[0045] In a preferred embodiment, during the resetting process of the push plug 211, a negative pressure is generated in the delivery pipe 201. To solve this problem, refer to... Figure 5 and Figure 6 A side support 206 is provided on the outer surface of the conveying pipe 201. The end of the extrusion tube 204 is located near the end of the side support 206. A valve hole 210 is provided on the side support 206, extending through to the inner wall of the conveying pipe 201. An exhaust hole 209 is provided through the wall of the valve hole 210. A valve plug 207 is fitted inside the valve hole 210. A telescopic rod 208 is provided on the side support 206 to drive the valve plug 207 to move within the valve hole 210. 208 can be an existing pneumatic or electric telescopic rod, etc., which will not be elaborated here. Therefore, while performing the reset action, the valve plug 207 is moved by the telescopic rod 208 to remove the blockage of the exhaust hole 209. Then, the conveying pipe 201 is connected to the outside through the valve hole 210 and the exhaust hole 209, which solves the negative pressure problem during the reset process. After the reset is completed, the telescopic rod 208 moves in the opposite direction, and the valve plug 207 retracts to re-block the exhaust hole 209.

[0046] A double-helix puff pastry processing technology: Step 1: Put the water-oil dough and the oil-shortening dough into the conveying pipes 201 of the two extrusion components 200 respectively; Step 2: The cylinders 202 of the two extrusion components 200 share a single air pump; When cylinder 202 is activated, it drives piston 2021 to move. Piston 2021 moves together with piston rod 2022 and drive component 212. When piston 2021 reaches the maximum moving distance, piston rod 2022 blocks the feed port. At this time, the dough is pushed into the area of ​​conveying pipe 201 located on the side of feed port facing flat extruder 205. Motor 213 starts and drives lead screw 214 to rotate. Lead screw 214 drives lead screw nut 219, connecting rod 218 and pusher 211 to move together. Pusher 211 pushes the dough. After passing through extrusion tube 204 and flat extrusion head 205, the dough is conveyed as a sheet onto the first conveyor belt 101. Step 3: The end of the sheet-like dough passes through the area between the roller pressing component 300 and the second conveyor belt 102 and is placed on the third conveyor belt 103. Then it passes through the upper folding component 400 and is placed on the fourth conveyor belt 104. Finally, it passes through the lower folding component 400 and is placed on the fifth conveyor belt 105. During this process, the sheet-like dough is roller-pressed by the cooperation of the roller pressing component 300 and the roller pressing component 106. The sheet-like dough is folded onto the fourth conveyor belt 104 or the fifth conveyor belt 105 by the folding component 400. Step 4: After using up the dough, refer to... Figure 4 Since there is redundancy between the sheet dough and the first conveyor belt 101 and the second conveyor belt 102, the conveyor belt can continue to operate, realizing continuous and uninterrupted operation. At the same time, the cylinder 202 and the motor 213 run in opposite directions, causing the extrusion component 200 to reset, repeating step one, adding new dough, and then repeating steps two to three.

[0047] The core of this case lies in the extrusion of components, and its technological advantages are: Technical Effect 1: In this case, the pneumatic extension (referring to the cylinder driving the piston and screw structure and the pusher to move) and the screw-driven extension (referring to the screw structure driving the pusher to move) are carried out simultaneously. The pneumatic extension part can quickly make the pusher come into contact with the dough, which can be completed in 2-3 seconds. At the same time, the screw-driven technology is used to directly and uniformly extrude the dough. In this case, no matter how large the volume of the dough is, the pusher can make contact with the dough and extrude the material in a short time. The applicable area is wider and there is no need to consider the volume of the dough. Technical effect 2: As mentioned above, in this case, the pneumatic drive extension and the screw drive extension are activated synchronously. Within the aforementioned 2-3 seconds, the pusher has switched from the acceleration state to the uniform speed state. In other words, when the pusher is pressing and squeezing the dough to expel the material, the pusher moves forward at a uniform speed, which ensures that the extruded sheet of dough is at a uniform speed and has a consistent thickness, which is beneficial to the quality of the later products. Technical effect 3: The amount of dough fed into the conveying pipe each time is difficult to control precisely, resulting in quantity errors. The speed at which the screws of the two extrusion components drive the pusher to move is also difficult to keep consistent, resulting in slight speed differences. Furthermore, since the cylinders of the two extrusion components share a single air pump in this case, the cylinders stop operating after the dough is pushed into the area of ​​the conveying pipe located on the side of the feed inlet facing the flat extruder head. The air pressure values ​​in the two cylinders are known and consistent. Furthermore, when the pusher is pushing against the dough, it will be subjected to a reaction force from the dough, and the faster the pusher is pushed, the greater the reaction force will be. Based on the above, it can be seen that in the process of using the lead screw to drive the pusher to move and push the dough, if the lead screw is faster than the preset speed, the reaction force will be greater. The drive component is followed by a cylinder, and the entire drive component can retract to the cylinder side. In other words, even if there is a speed difference between the lead screws of the two extrusion components, the cylinder plus lead screw structure in this case can compensate for the speed difference to a certain extent, thereby ensuring the consistency of the thickness of the sheet dough output by the flat extrusion head of the two extrusion components. Technical Effect 4: In this case, after a piece of dough is extruded, the threaded connection between the screw and the lead screw is removed. The extrusion assembly is quickly reset by the elastic force of the spring and the air pump. The feed port is opened so that new dough can be put in, and the feeding efficiency is faster. With the redundancy between the first and second conveyor belts, continuous and uninterrupted operation can be achieved.

[0048] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. An automated processing equipment for double-helix puff pastry, comprising a frame (100), on which are arranged a plurality of conveyor belts horizontally and parallel to each other, namely a first conveyor belt (101) and a second conveyor belt (102) at the same height, a third conveyor belt (103) below the first conveyor belt (101), a fourth conveyor belt (104) below the third conveyor belt (103), and a fifth conveyor belt (105) below the fourth conveyor belt (104), characterized in that, Two extrusion assemblies (200) are arranged facing each other above the first conveyor belt (101), and folding assemblies (400) are provided between the discharge end of the third conveyor belt (103) and the feed end of the fourth conveyor belt (104) and between the discharge end of the fourth conveyor belt (104) and the feed end of the fifth conveyor belt (105). The extrusion assembly (200) includes a conveying pipe (201), and a feed inlet is provided at the highest point of the outer circle of the conveying pipe (201). A cylinder (202) is provided at the opposite end of the conveying pipes (201) of the two extrusion assemblies (200). An extrusion tube (204) is provided at the opposite end of the conveying pipes (201) of the two extrusion assemblies (200). A flat extrusion head (205) is provided at the end of the extrusion tube (204). The end of the flat extrusion head (205) is located above the first conveyor belt (101), and the length direction of the end of the flat extrusion head (205) is parallel to the width direction of the first conveyor belt (101). The piston (2021) and piston rod (2022) of the cylinder (202) are both in the shape of a ring and an inner support (2023) is provided in the inner area of ​​both. The inner support (2023) blocks the piston (2021). A drive component (212) is provided on the side of the inner support (2023) facing the flat extrusion head (205). A push plug (211) is provided at the output end of the drive component (212). Initially, the push plug (211) contacts the end of the piston rod (2022).

2. The automated processing equipment for double-helix puff pastry according to claim 1, characterized in that, A hopper (203) is provided at the inlet opening.

3. The automated double-helix puff pastry processing equipment according to claim 1, characterized in that, The drive unit (212) includes a motor (213) mounted on the inner support (2023) and coaxial with the conveying pipe (201) and a support body (215) mounted on the inner support (2023). An inner guide rod (216) is provided at the end of the pusher (211). The guiding direction of the inner guide rod (216) is parallel to the axis of the conveying pipe (201). The inner guide rod (216) and the support body (215) form a sliding connection. A fixing ring is provided at the end of the inner guide rod (216). A spring (217) is provided between the fixing ring and the support body (215). The elastic force of the spring (217) is used to drive the pusher (211) away from the flat extrusion head (205). A lead screw (214) is coaxially mounted on the output end of motor 1 (213). A lead screw nut (219) is mounted on the outside of the lead screw (214). The lead screw nut (219) and the push plug (211) are connected by a connecting rod (218). When the push plug (211) contacts the piston rod (2022), the lead screw nut (219) and the lead screw (214) form a threaded connection. When the distance between the push plug (211) and the piston rod (2022) reaches its maximum value, the threaded connection between the lead screw nut (219) and the lead screw (214) is canceled.

4. The automated processing equipment for double-helix puff pastry according to claim 3, characterized in that, The nut (219) is composed of two nut seats (2191) located on both sides of the lead screw (214). The nut seat (2191) has a threaded arc groove on the side facing the lead screw (214). When the two nut seats (2191) are in contact with each other, the two threaded arc grooves together form a threaded hole that can form a threaded connection with the lead screw (214). The side of the nut seat (2191) is provided with a mounting hole, and a pin (2192) is fitted inside the mounting hole. There are two pins (2192) and a spring (2193) is provided between the two pins (2192). The ends of the two pins (2192) pass through the two openings of the mounting hole respectively, and the ends of the pins (2192) are located in the linkage groove (2151) provided on the bracket body (215).

5. The automated processing equipment for double-helix puff pastry according to claim 4, characterized in that, The linkage groove (2151) includes an inner guide section (2152) and an outer guide section (2153) whose guiding direction is parallel to the axis of the lead screw (214). The inner guide section (2152) is located on the side of the outer guide section (2153) facing the lead screw (214). The bottom of the outer guide section (2153) is divided into a bottom one and a bottom two, and a bottom three for connecting the two. The bottom two is close to the push plug (211), and the distance between the bottom one and the opening is less than the distance between the bottom two and the opening. The two ends of the outer guide section (2153) are connected to the two ends of the inner guide section (2152) respectively, and the connection is provided with a slope. The slope near the push plug (211) is used to guide the pin (2192) to move into the outer guide section (2153), and the slope away from the push plug (211) is used to guide the pin (2192) to move into the inner guide section (2152). The distance between the bottom of the groove of the outer guide section (2153) and the opening of the groove is less than the distance between the bottom of the groove of the inner guide section (2152) and the opening of the groove. The distance between the bottom of the groove of the outer guide section (2153) and the opening of the groove is greater than the distance between the bottom of the groove of the inner guide section (2152) and the opening of the groove. Initially, the end of the pin (2192) is located inside the inner guide section (2152) and at the end of the inner guide section (2152) away from the push plug (211). The second spring (2193) is compressed, and the nut (219) and the screw (214) form a threaded connection.

6. The automated double-helix puff pastry processing equipment according to claim 4, characterized in that, A roller pressing component (300) is provided above the second conveyor belt (102). The roller pressing component (300) includes a side support (301). A vertically arranged side guide rod (302) is provided on the side support (301). A vibrating seat (303) is slidably provided on the side guide rod (302). The vibrating seat (303) is located above the second conveyor belt (102). A vibrator (305) is provided on the vibrating seat (303). A spring three (304) is sleeved on the outside of the side guide rod (302) and located between the vibrating seat (303) and the side support (301). A pressure roller is provided at the bottom of the vibrating seat (303). The pressure roller is parallel to the width direction of the second conveyor belt (102). The input end of the pressure roller is powered by a motor two.

7. The automated processing equipment for double-helix puff pastry according to claim 6, characterized in that, Roller assembly (106) is provided above the third conveyor belt (103), the fourth conveyor belt (104) and the fifth conveyor belt (105).

8. The automated processing equipment for double-helix puff pastry according to claim 1, characterized in that, The folding assembly (400) includes a reciprocating support (402) located above the feed end of the fourth conveyor belt (104) or the feed end of the fifth conveyor belt (105) and a linkage structure (401) that drives the reciprocating support (402) to reciprocate and deflect, wherein the axis of the deflection trajectory of the reciprocating support (402) is parallel to the conveying direction of the fourth conveyor belt (104); The reciprocating support (402) includes a support body. The upper surface of the support body is provided with two sub-supports arranged at an inclination. The sub-supports are located on both sides of the support body along the conveying direction of the fourth conveyor belt (104). The distance between the two sub-supports increases from bottom to top. Several guide rollers (403) are arranged in an array on the sub-support along its own inclination direction. The guiding direction of the guide rollers (403) is parallel to the conveying direction of the fourth conveyor belt (104).

9. The automated processing equipment for double-helix puff pastry according to claim 7, characterized in that, A side support (206) is provided on the outer circular surface of the conveying pipe (201). The end of the extrusion pipe (204) is provided near the conveying pipe (201) on the side support (206). A valve hole (210) is provided on the side support (206). The valve hole (210) extends through to the inner wall of the conveying pipe (201). An exhaust hole (209) is provided through the wall of the valve hole (210). A valve plug (207) is fitted inside the valve hole (210). A telescopic rod (208) is provided on the side support (206) for driving the valve plug (207) to move within the valve hole (210).

10. The processing technology of the automated double-helix puff pastry processing equipment as described in claim 9, characterized in that, Includes the following steps: Step 1: Put the water-oil dough and the oil-shortening dough into the conveying pipes (201) of the two extrusion components (200) respectively; Step 2: The cylinders (202) of the two extrusion components (200) share a single air pump; The cylinder (202) is activated to drive the piston (2021) to move. The piston (2021) moves together with the piston rod (2022) and the drive component (212). When the piston (2021) reaches the maximum moving distance, the piston rod (2022) blocks the feed port. At this time, the dough is pushed into the conveying pipe (201) in the area on the side of the feed port facing the flat extruder (205). When motor 1 (213) starts, it drives the lead screw (214) to rotate. The lead screw (214) drives the lead screw nut (219), connecting rod (218) and pusher (211) to move together. The pusher (211) pushes the dough. After the dough passes through the extrusion tube (204) and the flat extrusion head (205), it is conveyed as a sheet of dough onto the first conveyor belt (101). Step 3: The end of the sheet-like dough passes through the area between the roller pressing component (300) and the second conveyor belt (102) and is placed on the third conveyor belt (103). Then it passes through the upper folding assembly (400) and is placed on the fourth conveyor belt (104). Finally, it passes through the lower folding assembly (400) and is placed on the fifth conveyor belt (105). During this process, the sheet-like dough is rolled by the cooperation of the roller pressing component (300) and the roller pressing assembly (106). The sheet-like dough is folded onto the fourth conveyor belt (104) or the fifth conveyor belt (105) by the folding assembly (400). Step 4: After the dough is used up, the cylinder (202) and motor 1 (213) run in opposite directions to reset the extrusion component (200), repeat step 1, put in new dough, and then repeat steps 2-3.

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