A pleat forming device of a steamed stuffed bun machine

Abstract

The application discloses a pleat forming device of a steamed stuffed bun machine and relates to the field of steamed stuffed bun making equipment.The pleat forming device comprises a rack, which is sequentially provided with a stuffing pressing component, an indentation component and a folding component from top to bottom.The stuffing pressing component comprises a pre-pressing ring, which has the freedom of moving along the vertical direction.A plurality of pre-pressing sheets are fixed to the bottom of the pre-pressing ring along the circumferential direction of the pre-pressing ring.The indentation component comprises a rotating disc and indentation sheets.A plurality of indentation sheets are arranged on the inner ring of the rotating disc along the circumferential direction of the rotating disc.The folding component comprises a plurality of circumferential arrayed leather connecting sheets, which have a hinge point with a horizontal axis.The dough wrapper is placed on the leather connecting sheets.The gaps are formed between the plurality of leather connecting sheets and the plurality of pre-pressing sheets in sequence and staggered, which are used for forming the indentations on the dough wrapper in advance.The leather connecting sheets are deflected towards the annular space with the hinge point, so that the dough wrapper is folded into the vertical state.The indentation sheets form the pleats around the dough wrapper, which is closer to the effect of the traditional manual production, and the pleats will not rebound even after the steamed stuffed bun product is cooked.

Description

Technical Field

[0001] This invention relates to the field of steamed bun making equipment, specifically a pleating forming device for a steamed bun machine. Background Technology

[0002] Currently, the most common steamed bun machines on the market can be divided into extrusion type and rolling type according to the different wrapping methods. The forming principle of the extrusion type steamed bun machine is that there is a dough hopper and a filling hopper. Through the extrusion of the auger, the dough at the outer outlet wraps the filling at the inner outlet. Then, the dough is cut by the blade. The upper part of the cross-section forms a pattern, and the lower part forms the bottom of the bun through the top flattening device.

[0003] The extrusion-type steamed bun machine places the dough strip into the dough pulley, and then it passes through three adjustable thickness pressing rollers, gradually patting and rolling it thin to produce a standard dough sheet that meets the requirements. The filling machine is then turned on, and the required nozzle specifications are selected. The dough sheet is wrapped with filling and rolled into a long strip by the rolling roller and auxiliary rolling roller. The pinching and breaking device is then turned on and the pinching length is set to produce products of the required specifications.

[0004] The advantage of extrusion-type steamed bun machines is that they produce steamed buns with a flat and beautiful shape. Rolling-type steamed bun machines can produce steamed buns with pleats that resemble handmade ones. However, these pleats are formed by the sliding of the blades, and the patterns are shallower after steaming, which is quite different from handmade pleats. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a pleating forming device for a steamed bun machine to solve the shortcomings of the prior art.

[0006] The objective of this invention is achieved through the following technical solution: a pleating forming device for a steamed bun machine, comprising a frame, wherein a filling pressing component, an indentation component, and a gathering component are arranged sequentially from top to bottom on the frame; the filling pressing component includes a pre-pressing ring having a degree of freedom to move in the vertical direction; a plurality of pre-pressing plates are fixed at the bottom of the pre-pressing ring along its own circumference; the indentation component includes a rotating disk and indentation plates; the rotating disk is hollow; a plurality of indentation plates are arranged on the inner ring of the rotating disk along its own circumference; the indentation plates have a degree of freedom to move radially along the rotating disk; the gathering component includes a plurality of circumferentially arrayed receiving plates, wherein an annular space is formed between the plurality of receiving plates; the receiving plates have hinge points on a horizontal axis. The dough is placed on the attaching sheet, and several attaching sheets and several pre-pressing sheets are staggered to form a gap fit, which is used to pre-form indentations on the dough. The attaching sheet is deflected towards the annular space at the hinge point to make the dough gather into an upright state, and the pressing sheet forms folds around the dough.

[0007] Furthermore, the retracting component also includes a fixed mounting plate, a fixed plate, a lifting plate, a lifting disk, outer connecting rods, and inner connecting rods. One end of the fixed mounting plate is connected to the frame, and the other end is fixedly connected to the fixed plate. Several outer connecting rods are evenly distributed along the circumference of the fixed plate. The lifting disk is coaxially arranged in the inner circle of the fixed plate. The lifting plate is connected to the lifting disk and has the freedom to move along the axial direction of the lifting disk. Several inner connecting rods are hinged along the circumference of the lifting disk. The inner connecting rods, outer connecting rods, and connecting plates correspond one-to-one. The connecting plates are L-shaped, with the closed end of the connecting plate hinged to the inner connecting rod, and the bottom end of the opening of the connecting plate hinged to the outer connecting rod.

[0008] Furthermore, the gathering component also includes a gathering cylinder, the cylinder body of which is mounted on a fixed mounting plate, the telescopic shaft of which is connected to a lifting plate, and the lifting plate has a slot for the outer connecting rod to pass through. Both the lifting plate and the fixed plate are hollow to form a feeding space for the buns to pass through.

[0009] Furthermore, the indentation component also includes an indentation mounting plate, an indentation swing arm, an indentation connecting rod, a slide rod, an indentation fixing plate, and a grooved slider seat. The indentation mounting plate is fixedly mounted on the frame, and the indentation fixing plate is connected to the indentation mounting plate. The rotary disk is rotatably mounted on the indentation fixing plate. The grooved slider seat is coaxially fixed on the indentation fixing plate and has a ring structure. An indentation servo motor is mounted on the indentation mounting plate, and the output shaft of the indentation servo motor is hinged to one end of the indentation swing arm. The other end is hinged to an indentation connecting rod, which is hinged to a rotating disk. The rotating disk has an annular cavity that connects to the inner ring of the rotating disk. The top surface of the rotating disk has several arc-shaped grooves along its circumference, which connect to the annular cavity. Each of the arc-shaped grooves corresponds to a number of indentation pieces. Each indentation piece is connected to a sliding rod, which extends into the annular cavity and is fitted with a roller. The roller fits into the arc-shaped groove. The grooved slider seat has a sliding groove, and the sliding rod slides into the sliding groove.

[0010] Furthermore, the filling pressing component also includes a filling pressing fixing plate, a filling pressing mounting plate, an inner filling tube, an outer filling tube, and a pre-pressing cylinder. The filling pressing fixing plate is mounted on the frame, and the filling pressing mounting plate is slidably mounted on the filling pressing fixing plate. An outer filling tube lifting cylinder is mounted on the filling pressing mounting plate, and the telescopic shaft of the outer filling tube lifting cylinder is connected to the outer filling tube. The inner filling tube passes through the top of the outer filling tube and has the freedom to move along the axial direction of the outer filling tube. A compression spring column is connected to the bottom of the filling pressing mounting plate, and a suction plate is connected to the bottom of the compression spring column. A compression spring is sleeved on the compression spring column and connected to the suction plate. The pre-pressing cylinder is mounted on the filling pressing mounting plate, and the telescopic shaft of the pre-pressing cylinder is connected to a pre-pressing ring.

[0011] Furthermore, a lifting screw and an inner filling tube lifting screw are rotatably mounted on the filling pressing fixing plate and the filling pressing mounting plate, respectively. A guide rail and an inner filling tube guide rail are fixed on the filling pressing fixing plate and the filling pressing mounting plate, respectively. A lifting servo motor is mounted on the filling pressing fixing plate, and the output shaft of the lifting servo motor is driven and connected to the lifting screw. A screw nut mounting block is threaded onto the lifting screw, and the screw nut mounting block is slidably adapted to the guide rail. The filling pressing mounting plate is connected to the screw nut mounting block. An inner filling tube servo motor is mounted on the filling pressing mounting plate, and the output shaft of the inner filling tube servo motor is driven and connected to the inner filling tube lifting screw. An inner filling tube nut mounting block is threaded onto the inner filling tube lifting screw, and the inner filling tube threaded mounting block is slidably adapted to the inner filling tube guide rail. The inner filling tube is mounted on the inner filling tube threaded mounting block, and an air jet hole is opened through the inner filling tube along its own axial direction.

[0012] Furthermore, a sealing component is provided below the gathering component. The sealing component includes several sealing blades arranged in a circumferential array on a horizontal plane. The sealing blades have the freedom to move radially toward the array circle. The sealing component seals the wrinkled surface through the sealing blades.

[0013] Furthermore, the sealing component also includes a sealing mounting plate, a sealing swing arm, a sealing connecting rod, a connecting piece, a rotating active swing arm, a copper shaft, a rotating driven swing arm, a lower fixing plate, and an upper fixing plate. The upper fixing plate and the lower fixing plate are arranged at intervals along the vertical direction and connected together by multiple connecting columns. The rotating active swing arm and multiple rotating driven swing arms are evenly distributed around the circumference of the lower fixing plate. Both the rotating driven swing arm and the rotating active swing arm are fixed with a copper shaft, which rotatably passes through the lower fixing plate. On the upper fixed plate, a sealing blade is fixedly sleeved on the copper shaft. The sealing blade is located between the upper fixed plate and the lower fixed plate. The sealing mounting plate is mounted on the frame. A sealing servo motor is mounted on the sealing mounting plate. The output shaft of the sealing servo motor is connected to the sealing swing arm. The two ends of the sealing connecting rod are respectively hinged to the sealing swing arm and the rotary active swing arm. The rotary active swing arm is hinged to the adjacent rotary passive swing arm through a connecting piece. The adjacent rotary passive swing arms are hinged to each other through a connecting piece.

[0014] Furthermore, it also includes a pallet lifting component, which includes a pallet having a degree of freedom to move in the vertical direction. The pallet is used to support dough for the production of pleated buns.

[0015] Furthermore, the pallet lifting component also includes a mounting plate, a push plate, a pallet screw slider seat, a pushing cylinder, and a pallet servo motor. The mounting plate is fixedly connected to the frame, a ball screw is rotatably mounted on the mounting plate, a pallet guide rail is fixed on the mounting plate, the pallet screw slider seat is threaded onto the ball screw, and the pallet screw slider seat is slidably assembled on the pallet guide rail. A pallet support rod is connected to the bottom of the pallet, and the pallet support plate is connected to the pallet screw slider seat. The pushing cylinder is horizontally arranged on the mounting plate, and the telescopic shaft of the pushing cylinder is connected to the push plate. The push plate is used to push the buns on the pallet into the discharge conveying component. A pallet servo motor is mounted on the mounting plate, and the output shaft of the pallet servo motor is connected to a synchronous pulley. The ball screw is connected to a driven pulley, and the driven pulley is connected to the synchronous pulley via a synchronous belt drive.

[0016] The beneficial effects of this invention are: 1. The dough is placed on the receiving sheet, which is arranged alternately with the pre-pressing sheet in a circular direction. The dough is pre-pressed to form an indentation by the cooperation of the receiving sheet and the pre-pressing sheet. Then, the dough is gathered by the deflection of the receiving sheet. Finally, the pressing sheet acts on the indentation to form pleats. The pleats are formed by pressing, which is closer to the effect of traditional handmade products. Even after the stuffed products are steamed, the pleats will not spring back.

[0017] 2. Pre-made dough sheets are used, suitable for factories and stores. Pre-made dough sheets have advantages such as high production efficiency, good dough quality, good taste, saving labor and time, and diverse choices.

[0018] 3. Modular design: Each module can exist and operate independently, making the entire production process smoother, reducing downtime and failure rate. The modules adopt servo drive, which is convenient for adjustment and ensures equipment stability. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 2 This is a front view of the pleating mechanism of a steamed bun machine according to the present invention. Figure 3 This is a perspective view of the gathering component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 4 This is a front view of the gathering component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 5 This is a perspective view of the filling pressing component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 6 This is a side view of the filling pressing component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 7 This is a perspective view of the indentation component in the pleating mechanism of a steamed bun machine according to the present invention; Figure 8 This is a partial structural diagram of the indentation component in the pleating mechanism of a steamed bun machine according to the present invention; Figure 9 This is a perspective view of the sealing component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 10 This is a top view of the sealing component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 11 This is a bottom view of the sealing component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 12 This is a perspective view of the pallet lifting component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 13 This is a side view of the pallet lifting component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 14 This is a perspective view of the filling component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 15 This is a schematic diagram of the assembly of the transfer valve in the pleating forming mechanism of a steamed bun machine according to the present invention. Figure 16 This is a perspective view of the feed belt telescopic component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 17 This is a front view of the feed belt telescopic component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 18 This is a side view of the feed belt telescopic component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 19 This is a perspective view of the material conveying component in the pleating forming mechanism of a steamed bun machine according to the present invention; Figure 20 This is a front view of the material conveying component in the pleating forming mechanism of a steamed bun machine according to the present invention; In the diagram, 1-frame, 2-feed belt telescopic component, 3-discharge conveyor component, 4-pressing component, 5-indentation component, 6-gathering component, 7-sealing component, 8-pallet lifting component, 9-sucking plate, 10-pre-pressing plate, 11-rotary disc, 12-indentation plate, 13-connecting plate, 14-pallet, 15-fixed mounting plate, 16-fixed disc, 17-lifting plate, 18-lifting disc, 19-outer connecting rod, 20-inner connecting rod, 21-gathering cylinder, 22-indentation mounting plate, 23-indentation swing arm, 24-indentation connecting rod, 25-slide rod, 26-indentation fixing plate, 2 7-Groove slider seat, 28-Indentation servo motor, 29-Arc groove, 30-Roller, 31-Sealing mounting plate, 32-Sealing swing arm, 33-Sealing connecting rod, 34-Connecting piece, 35-Rotating active swing arm, 36-Copper shaft, 37-Rotating driven swing arm, 38-Sealing blade, 39-Lower fixing plate, 40-Upper fixing plate, 41-Connecting column, 42-Sealing servo motor, 43-Filling fixing plate, 44-Filling mounting plate, 45-Inner filling tube, 46-Outer filling tube, 47-Pre-compression cylinder, 48-Compression spring column, 49-Compression spring, 50-Lifting screw, 51-Inner filling tube 52-Lifting screw, 53-Guide rail, 54-Inner filling tube guide rail, 55-Lifting servo motor, 56-Screw nut mounting block, 57-Inner filling tube servo motor, 58-Inner filling tube thread mounting block, 59-Air jet, 60-Hopper, 61-Rotary valve, 62-Valve body, 63-Switching channel, 64-Filling pipe, 65-Filling swing arm, 66-Filling cylinder, 67-Filling servo motor, 68-Filling screw, 69-Conical auger, 70-Auger servo motor, 71-Mounting plate, 72-Push plate, 73-Screw slider seat for pallet, 74-Pushing cylinder, 75-Pattern Servo motor, 76-Ball screw, 77-Plate guide rail, 78-Plate support rod, 79-Synchronous pulley, 80-Synchronous belt, 81-Feed mounting plate, 82-Feed synchronous pulley, 83-Feed guide rail, 84-Moving plate, 85-Feed synchronous belt, 86-Drive plate, 87-Feed servo motor, 88-Motor, 89-Belt drive pulley, 90-Belt, 91-Discharge mounting plate, 92-Discharge belt motor, 93-Discharge belt, 94-Drive roller, 95-Shaping cylinder, 96-Pressure plate, 97-Tension roller, 98-Fiber optic photocell, 99-Photoelectric switch. Detailed Implementation

[0020] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.

[0021] Example 1 like Figures 1 to 20As shown, a pleating forming device for a steamed bun machine includes a frame 1. From top to bottom, the frame 1 is arranged a filling pressing component 4, an indentation component 5, and a gathering component 6. The filling pressing component 4 includes a pre-pressing ring with a degree of freedom to move vertically. Several pre-pressing plates 10 are fixed to the bottom of the pre-pressing ring along its circumference. The indentation component 5 includes a rotating disk 11 and indentation plates 12. The rotating disk 11 is hollow, and several indentation plates 12 are arranged along its circumference on the inner ring of the rotating disk 11. The indentation plates 12 have a degree of freedom to move radially along the rotating disk 11. The gathering component 6 includes several circumferentially arrayed dough pieces 13, forming an annular space between them. Each dough piece 13 has a hinge point along a horizontal axis. Dough is placed on the dough pieces 13, and the dough pieces 13... A series of pre-pressing sheets 10 are staggered to form a gap fit, which is used to pre-form indentations on the dough. The connecting sheet 13 deflects towards the annular space at the hinge point to make the dough gather into an upright state. The pressing sheet 12 forms pleats around the dough. A sealing component 7 is provided below the gathering component 6. The sealing component 7 includes a number of sealing blades 38. The sealing blades 38 are arranged in a circumferential array on the horizontal plane. The sealing blades 38 have the freedom to move radially toward the array circle. The sealing component 7 seals the pleated dough through the sealing blades 38. It also includes a tray lifting component 8 provided below the sealing component 7. The tray lifting component 8 includes a tray 14. The tray 14 has the freedom to move in the vertical direction. The tray 14 is used to support the dough for the production of pleated buns. The dough is pre-formed, preferably using a circular structure that is thicker in the middle and thinner around the edges. Initially, the indentation plate 12 of the indentation component 5 is fully open, and the dough receiving plate 13 of the gathering component 6 is open. Then, the support plate 14 moves upward to catch the lowered dough. At this time, the middle of the dough is supported by the support plate 14, and the edges of the dough are supported by the dough receiving plate 13. Then, the pre-pressing ring drives the pre-pressing plate 10 to move downward, squeezing through the gap between the pre-pressing plate 10 and the dough receiving plate 13 to form indentations around the edges of the dough. After the filling is injected into the dough, the filling pressing component 4 returns to its original position, and then the dough receiving plate 13 rotates. The dough sheet 13 is rotated towards the center of the dough, thus gathering the edges of the dough into an upright position. Then, the embossing plate 12 moves towards the center of the rotating plate 11, causing the embossing plate to press the indentation to form pleats. Finally, the sealing blade 38 of the sealing component 7 seals the dough, completing the production of the pleated bun. Then, the tray 14 moves the completed bun downwards and sends the bun out, thus realizing the production of pleated buns. Each component resets and repeats the above operation to achieve the mass production of buns. The pleats are formed by embossing, which is closer to the effect of traditional handmade products. Even after the filled products are steamed, the pleats will not spring back.

[0022] Example 2 Based on Example 1, such as Figure 1 and Figure 2As shown, to achieve automated production of pleated buns, the frame 1 is also equipped with a feeding belt telescopic component 2 and an output conveying component 3. The filling pressing component 4, the embossing component 5, the gathering component 6, the sealing component 7, and the pallet lifting component 8 are located between the feeding belt telescopic component 2 and the output conveying component 3. The filling pressing component 4 also includes a suction plate 9 that moves vertically. The suction plate 9 uses negative pressure to adsorb the dough. Specifically, the suction plate 9 has a negative pressure cavity inside, and several negative pressure holes connected to the negative pressure cavity are opened at the bottom of the suction plate 9. The suction plate 9 is connected to a negative pressure device through a pipe. The dough is transported to the working range of the filling pressing component 4 through the feeding belt telescopic component 2. The dough is adsorbed by the suction plate 9 and placed on the pallet 14. After the pleated buns are made, they are transported to the working range of the output conveying component 3 through the pallet 14. The output conveying component 3 then sends out the finished buns, completing the automated production of pleated buns.

[0023] Example 3 Based on Example 2, such as Figures 16 to 20As shown, the feed belt telescopic component 2 is arranged on one side of the pressing component 4. The feed belt telescopic component 2 includes a feed mounting plate 81, feed timing pulleys 82, a feed guide rail 83, and a moving plate 84. The feed mounting plate 81 is fixed on the frame 1. The feed mounting plate 81 has two feed timing pulleys 82 that are rotatably arranged along the feeding direction of the dough. The two feed timing pulleys 82 are driven by a feed timing belt 85. The feed guide rail 83 is fixed on the feed mounting plate 81, and the moving plate 84 is slidably mounted on the feed guide rail 83. The side wall of plate 84 is connected to the feeding synchronous belt 85 via drive plate 86. A feeding servo motor 87 and a motor 88 are mounted on the feeding mounting plate 81. The output shaft of the feeding servo motor 87 is connected to one of the feeding synchronous belt pulleys 82. Rotating shafts are rotatably mounted at both ends of the moving plate 81. A belt drive pulley 89 is rotatably mounted on the feeding mounting plate 81. The output shaft of motor 88 is connected to the belt drive pulley 89. The belt drive pulley 89 and the rotating shaft are connected via belt 90. The dough is placed on belt 90, and the motor... 88 drives the belt drive pulley 89 to rotate, which in turn drives the belt 90 to move. The belt 90 conveys the dough sheet closer to the filling pressing component 4. When the dough sheet is conveyed to the end of the moving plate 84, the conveying stops. The feeding servo motor 87 drives the synchronous pulley 82 to rotate, which in turn moves the synchronous belt 85. The synchronous belt 85 drives the moving plate 84 to move on the feeding guide rail 83 via the drive plate 86, so that the end of the moving plate 84 moves directly below the filling pressing component 4, allowing the dough sheet suction plate 9 to move downwards and smoothly absorb the dough sheet. When the suction plate 9 picks up the dough and moves upward to detach from the belt 90, the feeding servo motor 87 reverses and drives the moving plate 84 to reset, so that the suction plate 9 can move downward to place the dough on the tray 14 and the receiving plate 13. In specific implementation, a fiber optic photoelectric sensor 98 is installed on the frame 1. The fiber optic photoelectric sensor 98 detects whether the dough on the belt 90 has been conveyed to the end of the moving plate 84. When the fiber optic photoelectric sensor 98 detects that the dough has been conveyed to the correct position, the moving plate 84 moves a fixed length to convey the dough directly below the suction plate 9, so that the dough can be accurately fed.

[0024] Example 4 Based on Example 3, such as Figure 1 , Figures 12 to 20As shown, it also includes a pallet lifting component 8, which includes a pallet 14. The pallet 14 has a degree of freedom to move in the vertical direction. The pallet 14 is used to receive dough for the production of pleated buns. The pallet lifting component 8 also includes a mounting plate 71, a push plate 72, a pallet screw slider seat 73, a push cylinder 74, and a pallet servo motor 75. The mounting plate 71 is fixedly connected to the frame 1. A ball screw 76 is rotatably mounted on the mounting plate 71. A pallet guide rail 77 is fixed on the mounting plate 71. The pallet screw slider seat 73 is threaded onto the ball screw 76 and slidably mounted on the pallet guide rail 77. A pallet support rod 78 is connected to the bottom of the pallet 14. The pallet support plate 78 is connected to the pallet screw slider seat 73. The push cylinder 75... Cylinder 74 is horizontally arranged on mounting plate 71. The telescopic shaft of pushing cylinder 74 is connected to push plate 72. Push plate 72 is used to push the buns on pallet 14 into the discharge conveying component 3. Pallet servo motor 78 is mounted on mounting plate 71. The output shaft of pallet servo motor 78 is connected to synchronous pulley 79. Ball screw 76 is connected to driven pulley. Driven pulley is connected to synchronous pulley 79 through synchronous belt 80. Discharge conveying component 3 includes discharge mounting plate 91, discharge belt motor 92, discharge belt 93, drive roller 94, shaping cylinder 95 and pressure plate 96. Discharge mounting plate 91 is mounted on frame 1. Discharge belt motor 92 is mounted on discharge mounting plate 91. The output shaft of discharge belt motor 92 is connected to drive roller 94 for discharge. Two discharge shafts are spaced apart on the mounting plate 91 along the discharge direction of the buns. The discharge shafts are connected to the drive roller 94 via the discharge belt 93. A shaping cylinder 95 is vertically mounted on the discharge mounting plate 91. The telescopic shaft of the shaping cylinder 95 is connected to a pressure plate 96, which is located above the discharge belt 93. A tension roller 97 is rotatably mounted on the discharge mounting plate 91 to keep the discharge belt 93 taut. The pallet servo motor 78 drives the synchronous pulley 79 to rotate. The synchronous pulley 79 drives the driven pulley to rotate via the synchronous belt 80. The driven pulley drives the ball screw 79 to rotate, thereby causing the pallet screw slider seat 73 to slide on the pallet guide rail 77. The pallet screw slider seat 73 drives the pallet support rod 78 to rotate. The plate 14 moves up and down, thereby moving the dough to the sealing component 7 for sealing. After sealing, the bun is moved down to the moving path of the push plate 72. At this time, the plate 14 is flush with the discharge belt 93. The push plate 72 is moved by the push cylinder 74, thereby pushing the bun on the plate 14 onto the discharge belt 93 to complete the discharge operation of the bun. In specific implementation, the plate 14 is provided with an adsorption cavity inside. Several small holes are opened on the top of the plate 14, which are connected to the adsorption cavity. The plate support rod 78 is hollow. One end of the plate support rod 78 is connected to the adsorption cavity, and the other end is connected to the negative pressure device through a hose, so that the plate 14 can adsorb the dough under negative pressure, ensuring that the dough will not shift during the bun making process.The discharge belt motor 82 drives the drive roller 94 to rotate, which in turn drives the discharge belt 93 to transport the buns on the belt to directly below the pressure plate 96. The shaping cylinder 95 then moves the pressure plate 96 downwards, pressing the top of the bun to flatten and shape it. Finally, the shaped buns are discharged via the discharge belt 93. In practice, a photoelectric switch 99 is installed on the discharge mounting plate 91 to detect whether the buns have entered the working range of the pressure plate 96, making the shaping process more precise.

[0025] Example 5 Based on Example 4, such as Figures 1 to 4 As shown, the retracting component 6 also includes a fixed mounting plate 15, a fixed disk 16, a lifting plate 17, a lifting disk 18, outer connecting rods 19, and inner connecting rods 20. One end of the fixed mounting plate 15 is connected to the frame 1, and the other end is fixedly connected to the fixed disk 16. Several outer connecting rods 19 are evenly distributed along the circumference of the fixed disk 16. The lifting disk 18 is coaxially arranged in the inner circle of the fixed disk 16. The lifting plate 17 is connected to the lifting disk 18 and has the freedom to move along the axial direction of the lifting disk 18. Several inner connecting rods 20 are hinged along the circumference of the lifting disk 18. The inner connecting rods 20, the outer connecting rods 19, and the connecting skin 13 correspond one-to-one. The connecting skin 13 is 7-shaped. The closed end of the connecting skin 13 is hinged to the inner connecting rod 20, and the bottom end of the open end of the connecting skin 13 is hinged to the outer connecting rod 19. The retracting component 6 also includes a retracting cylinder 21. The cylinder body of the retracting cylinder 21 is mounted on the fixed mounting plate. On 15, the telescopic shaft of the gathering cylinder 21 is connected to the lifting plate 17. The lifting plate 17 has a slot for the outer connecting rod 19 to pass through. The lifting plate 18 and the fixed plate 16 are both hollow to form a feeding space for the buns to pass through. Initially, the receiving sheet 13 is in an open state, that is, the top surface of the receiving sheet 13 is in an inclined or horizontal state. The suction plate 9 places the dough on the support plate 14 and the receiving sheet 13. After the pre-pressing plate 10 forms a concave shape, the gathering cylinder 21 drives the lifting plate 17 to move downward. The lifting plate 17 drives the lifting plate 18 to move downward. The lifting plate 18 drives the receiving sheet 13 to deflect around the hinge position with the outer connecting rod 19 through the inner connecting rod 20, so that the receiving sheet 13 deflects inward toward the center of the fixed plate 16, so that the receiving sheet 13 drives the dough to gather around into an upright state, so that the dough wraps the filling. Then, the pressing component 5 forms pleats around the dough.

[0026] Example 6 Based on Example 5, such as Figures 1 to 8As shown, the indentation component 5 also includes an indentation mounting plate 22, an indentation swing arm 23, an indentation connecting rod 24, a slide rod 25, an indentation fixing plate 26, and a grooved slider seat 27. The indentation mounting plate 22 is fixedly mounted on the frame 1, and the indentation fixing plate 26 is connected to the indentation mounting plate 22. The rotating disk 11 is rotatably mounted on the indentation fixing plate 26. The grooved slider seat 27 is coaxially fixed on the indentation fixing plate 26 and has an annular structure. An indentation servo motor 28 is mounted on the indentation mounting plate 22. The output shaft of the indentation servo motor 28 is hinged to one end of the indentation swing arm 23, and the other end of the indentation swing arm 23 is hinged to the indentation connecting rod 24. The indentation connecting rod 24 is hinged to the rotating disk 11. The rotating disk 11 has an annular cavity that connects to the inner ring of the rotating disk 11. The top surface of the rotating disk 11 has several arc-shaped grooves 29 along its circumference that connect to the annular cavity. The several arc-shaped grooves 29 are connected to several indentation pieces. The 12 pieces are in a one-to-one correspondence. The embossing piece 12 is connected to a slide rod 25. The slide rod 25 extends into the annular cavity and a roller 30 is installed. The roller 30 fits in the arc-shaped groove 29. The grooved slider seat 27 has a sliding groove. The slide rod 25 slides and fits into the sliding groove. The gathered dough is within the action range of the embossing component 5. The embossing servo motor 28 drives the embossing swing arm 23 to swing back and forth at a certain angle. The embossing swing arm 23 drives the rotating disk 11 to deflect through the embossing connecting rod 24. The roller 30 is driven to move along the arc surface by the cooperation of the arc groove 29 and the roller 30. Guided by the slide rod 25 and the slide groove, the slide rod 25 drives the embossing piece 12 to move radially along the rotating disk 11. The embossing piece 12 and the connecting piece 13 are arranged alternately along the circumference of the rotating disk 11, so that the embossing piece 12 penetrates from two adjacent connecting pieces 13 and presses on the side of the dough that is gathered, thereby pressing out pleats at the pre-formed indentation position to make pleated buns.

[0027] Example 7 Based on Example 6, such as Figures 1 to 11As shown, the sealing component 7 also includes a sealing mounting plate 31, a sealing swing arm 32, a sealing connecting rod 33, a connecting piece 34, a rotating active swing arm 35, a copper shaft 36, a rotating driven swing arm 37, a lower fixing plate 39, and an upper fixing plate 40. The upper fixing plate 40 and the lower fixing plate 39 are arranged at intervals along the vertical direction and are connected together by multiple connecting posts 41. The rotating active swing arm 35 and multiple rotating driven swing arms 37 are evenly distributed around the circumference of the lower fixing plate 39. Both the 37 and the rotating active swing arm 35 are fixed with copper shafts 36. The copper shafts 36 rotatably pass through the lower fixed plate 39 and are rotatably connected to the upper fixed plate 40. A sealing blade 38 is fixedly sleeved on the copper shaft 36. The sealing blade 38 is located between the upper fixed plate 40 and the lower fixed plate 39. The sealing mounting plate 31 is mounted on the frame 1. A sealing servo motor 42 is mounted on the sealing mounting plate 31. The output shaft of the sealing servo motor 42 is connected to the sealing swing arm 32. The two ends of the sealing connecting rod 33 are respectively hinged. On the sealing swing arm 32 and the rotary active swing arm 35, the rotary active swing arm 35 is hinged to the adjacent rotary driven swing arm 37 via a connecting piece 34. The adjacent rotary driven swing arms 37 are hinged together via the connecting piece 34. The sealing servo motor 42 drives the sealing swing arm 32 to swing back and forth at a certain angle, causing the sealing swing arm 32 to drive the rotary active swing arm 35 to deflect via the sealing connecting rod 33. The rotary active swing arm 35 and multiple rotary driven swing arms 37 are connected at the end via the connecting piece 34, so that the rotary active swing arm 35... The movable swing arm 35 drives the driven swing arm 37 to deflect via the connecting piece 34, causing the sealing blade 38 to deflect closer to the center of the upper fixed plate 40. Through the combined action of multiple sealing blades 38, the top of the dough is squeezed together to complete the sealing operation. After sealing, the sealing blade 38 rotates back to its original position, and the support plate 14 moves the bun downward, so that the bun is within the working range of the push plate 72. The push plate 72 pushes the bun onto the discharge conveyor 3, completing the shaping and discharge of the bun.

[0028] Example 8 Based on Example 7, such as Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, the filling pressing component 4 also includes a filling pressing fixing plate 43, a filling pressing mounting plate 44, an inner filling tube 45, an outer filling tube 46, and a pre-pressing cylinder 47. The filling pressing fixing plate 43 is mounted on the frame 1, and the filling pressing mounting plate 44 is slidably mounted on the filling pressing fixing plate 43. An outer filling tube lifting cylinder is mounted on the filling pressing mounting plate 44, and the telescopic shaft of the outer filling tube lifting cylinder is connected to the outer filling tube 46. The inner filling tube 45 passes through the top of the outer filling tube 46 and has the freedom to move along the axial direction of the outer filling tube 46. A compression spring column 48 is connected to the bottom of the filling pressing mounting plate 44, and a suction plate 9 is connected to the bottom of the compression spring column 48. A compression spring 49 is sleeved on the compression spring column 48 and connected to the suction plate 9. The pre-pressing cylinder 47 is mounted on the filling pressing mounting plate 44, and the extension of the pre-pressing cylinder 47... The pre-compression ring is connected to the retractable shaft. The retraction and extension of the pre-compression cylinder 47 drives the pre-compression ring to move up and down, thereby driving the pre-compression plate 10 to move up and down. This allows adjustment of the relative position between the pre-compression plate 10 and the suction plate 9. When the suction plate 9 adsorbs the dough, the pre-compression plate 10 moves above the suction plate 9. When the dough is placed on the support plate 14 and the receiving plate 13, the pre-compression plate 10 moves downward and cooperates with the receiving plate 13 to form a groove on the dough. The frame 1 is equipped with a filling component, which includes a hopper 59, a rotary valve 60, a piston 61, and a valve body 62. The bottom of the hopper 59 is connected to the valve body 62, which is mounted on the filling mounting plate. The filling mounting plate is fixed to the frame 1. The valve body 62 is connected to the external filling pipe 46 through the filling pipe 64. The rotary valve 60 is rotated and assembled on the valve body 46. Inside the valve body 62, a channel is provided inside the rotary valve 60. A switching channel 63 is opened on the side wall of the rotary valve 60, and the switching channel 63 communicates with the channel. A piston channel is formed inside the valve body 62, and one end of the channel is connected to the piston channel. The piston 61 is slidably fitted inside the piston channel. The feed inlet of the filling pipe 64 and the bottom opening of the hopper 59 are both located on the rotation path of the rotary valve 60. The end of the rotary valve 60 away from the filling pipe 64 is connected to a filling swing arm 65. The filling swing arm 65 is hinged to the telescopic shaft of the filling cylinder 66. A filling servo motor 67 is provided on the filling mounting plate. The output shaft of the filling servo motor 67 is driven by a filling screw 68. The filling screw 68 is rotatably mounted on the filling mounting plate. The piston 61 is threadedly fitted onto the filling screw 68. The hopper 59 is rotatably set inside the filling cylinder 66. A conical auger 69 is provided, driven by an auger servo motor 70. The auger 69 is used to feed filling into the hopper 59, and its rotation, driven by the auger servo motor 70, mixes the filling. The extension and retraction of the filling cylinder 66 causes the filling swing arm 65 to deflect, which in turn causes the rotary valve 60 to deflect, adjusting the position of the switching channel 63. This completes the switching between filling and feeding actions. Initially, the switching channel 63 connects to the bottom opening of the hopper 59. The filling servo motor 67 drives the filling screw 68 to rotate, causing the piston 61 to move axially along the filling screw 68, moving it away from the rotary valve 60. This draws the filling from the hopper 59 into the piston channel. Then, the rotary valve 60 deflects.The switching channel 63 is connected to the inlet of the filling pipe 64. The bottom opening of the hopper 59 is blocked by the side wall of the rotary valve 60. Then, the piston 61 moves close to the valve body 60, thereby injecting the filling in the piston channel into the outer filling tube 46 through the filling pipe 64. The inner filling tube 45 moves downward, injecting the filling in the outer filling tube 46 onto the dough. The outer filling tube 46 is coaxially arranged in the inner ring of the suction plate 9, thus filling the dough in the center, achieving automatic filling operation. In specific implementation, the filling amount can be adjusted by the movement path of the piston 61 to achieve quantitative filling.

[0029] Furthermore, a lifting screw 50 and an inner filling tube lifting screw 51 are rotatably mounted on the filling fixing plate 43 and the filling mounting plate 44, respectively. A guide rail 52 and an inner filling tube guide rail 53 are fixed on the filling fixing plate 43 and the filling mounting plate 44, respectively. A lifting servo motor 54 is mounted on the filling fixing plate 43, and the output shaft of the lifting servo motor 54 is connected to the lifting screw 50. A screw nut mounting block 55 is threaded onto the lifting screw 50, and the screw nut mounting block 55 slides onto the guide rail 52. The filling mounting plate 44 is connected to the screw nut mounting block 55. An inner filling tube servo motor 56 is mounted on the filling mounting plate 44, and the output shaft of the inner filling tube servo motor 56 is connected to the inner filling tube lifting screw 51. An inner filling tube nut mounting block 57 is threaded onto the inner filling tube lifting screw 51, and the inner filling tube threaded mounting block 57 slides onto the guide rail 52. The inner filling tube guide rail 53 and the inner filling tube 45 are mounted on the inner filling tube threaded mounting block 57. The inner filling tube 45 has an air jet hole 58 through it along its own axis. The lifting servo motor 54 drives the lifting screw 50 to rotate, which causes the screw nut mounting block 55 to drive the pressing plate 44 to move up and down, thereby driving the dough suction plate 9 to move up and down for the dough feeding operation. The inner filling tube servo motor 56 drives the inner filling tube lifting screw 51 to rotate, which causes the inner filling tube nut mounting block 57 to drive the inner filling tube 45 to move up and down. The inner filling tube 45 and the outer filling tube 46 form a piston mechanism, through which the filling in the outer filling tube 46 is injected into the dough. The air jet hole 58 is connected to an external air blowing device, which blows air into the outer filling tube 46 through the air jet hole 58 to prevent the filling from sticking to the inner wall of the outer filling tube 46 and the bottom of the inner filling tube 45, ensuring more accurate filling.

Claims

1. A pleating forming device for a steamed bun machine, comprising a frame (1), characterized in that, The frame (1) is provided with a pressing component (4), an indentation component (5) and a gathering component (6) from top to bottom. The pressing component (4) includes a pre-pressing ring, which has a degree of freedom to move in the vertical direction. Several pre-pressing pieces (10) are fixed at the bottom of the pre-pressing ring along its own circumference. The indentation component (5) includes a rotating disk (11) and indentation pieces (12). The rotating disk (11) is hollow. Several indentation pieces (12) are provided on the inner ring of the rotating disk (11) along its own circumference. The indentation pieces (12) have a degree of freedom to move in the radial direction along the rotating disk (11). The gathering component (6) includes several circumferentially arrayed connecting pieces (13). Several connecting pieces (13) form an annular space. The connecting pieces (13) have a hinge point on the horizontal axis. The dough is placed on the attaching sheet (13). Several attaching sheets (13) and several pre-pressing sheets (10) are staggered to form a gap fit, which is used to pre-form indentations on the dough. The attaching sheet (13) is deflected towards the annular space at the hinge point so that the dough is gathered into an upright state. The pressing sheet (12) forms folds around the dough. The pressing sheet (12) and the attaching sheet (13) are staggered along the circumference of the rotating disk (11) so that the pressing sheet (12) is inserted from two adjacent attaching sheets (13) and pressed on the gathered side of the dough, thereby pressing out folds at the pre-formed indentation position.

2. The pleating forming device for a steamed bun machine according to claim 1, characterized in that, The retracting component (6) further includes a fixed mounting plate (15), a fixed disk (16), a lifting plate (17), a lifting disk (18), an outer connecting rod (19), and an inner connecting rod (20). One end of the fixed mounting plate (15) is connected to the frame (1), and the other end is fixedly connected to the fixed disk (16). Several outer connecting rods (19) are evenly distributed on the fixed disk (16) along its circumference. The lifting disk (18) is coaxially arranged in the inner ring of the fixed disk (16). The lifting plate (17) is... The lifting plate (17) is connected to the lifting plate (18). The lifting plate (17) has the freedom to move along the axial direction of the lifting plate (18). Several inner connecting rod pieces (20) are hinged on the lifting plate (18) along its own circumference. The inner connecting rod pieces (20), outer connecting rod pieces (19) and connecting skin pieces (13) correspond one-to-one. The connecting skin pieces (13) are 7-shaped. The closed end of the connecting skin pieces (13) is hinged to the inner connecting rod pieces (20). The bottom end of the opening of the connecting skin pieces (13) is hinged to the outer connecting rod pieces (19).

3. The pleating forming device for a steamed bun machine according to claim 2, characterized in that, The gathering component (6) also includes a gathering cylinder (21). The cylinder body of the gathering cylinder (21) is mounted on a fixed mounting plate (15). The telescopic shaft of the gathering cylinder (21) is connected to a lifting plate (17). The lifting plate (17) has a slot for the outer connecting rod plate (19) to pass through. The lifting plate (18) and the fixed plate (16) are both hollow and are used to form a feeding space for the buns to pass through.

4. The pleating forming device for a steamed bun machine according to claim 1, characterized in that, The indentation component (5) further includes an indentation mounting plate (22), an indentation swing arm (23), an indentation connecting rod (24), a sliding rod (25), an indentation fixing plate (26), and a grooved slider seat (27). The indentation mounting plate (22) is fixedly mounted on the frame (1). The indentation fixing plate (26) is connected to the indentation mounting plate (22). The rotating disk (11) is rotatably mounted on the indentation fixing plate (26). The grooved slider seat (27) is coaxially fixed on the indentation fixing plate (26). The grooved slider seat (27) has a ring structure. An indentation servo motor (28) is mounted on the indentation mounting plate (22). The output shaft of the indentation servo motor (28) is hinged to one end of the indentation swing arm (23). The indentation swing arm (23) The other end of the plate is hinged to an indentation connecting rod (24), which is hinged to a rotating disk (11). The rotating disk (11) has an annular cavity inside, which is connected to the inner ring of the rotating disk (11). The top surface of the rotating disk (11) has several arc-shaped grooves (29) along its own circumference. The arc-shaped grooves (29) are connected to the annular cavity. The arc-shaped grooves (29) correspond one-to-one with several indentation pieces (12). The indentation pieces (12) are connected to a sliding rod (25). The sliding rod (25) extends into the annular cavity and is fitted with a roller (30). The roller (30) fits in the arc-shaped groove (29). The grooved slider seat (27) has a sliding groove, and the sliding rod (25) slides to fit into the sliding groove.

5. The pleating forming device for a steamed bun machine according to claim 1, characterized in that, The pressing component (4) further includes a pressing fixing plate (43), a pressing mounting plate (44), an inner filling tube (45), an outer filling tube (46), and a pre-pressing cylinder (47). The pressing fixing plate (43) is mounted on the frame (1), and the pressing mounting plate (44) is slidably mounted on the pressing fixing plate (43). An outer filling tube lifting cylinder is mounted on the pressing mounting plate (44), and the telescopic shaft of the outer filling tube lifting cylinder is connected to the outer filling tube (46). The inner filling tube (45) extends from the outer filling tube (46). The top of the filling tube (46) is inserted, the inner filling tube (45) has the freedom to move along the axial direction of the outer filling tube (46), the bottom of the filling mounting plate (44) is connected to the spring column (48), the bottom of the spring column (48) is connected to the suction plate (9), the spring column (48) is fitted with a spring (49), the spring (49) is connected to the suction plate (9), the pre-pressing cylinder (47) is mounted on the filling mounting plate (44), and the telescopic shaft of the pre-pressing cylinder (47) is connected to the pre-pressing ring.

6. The pleating forming device for a steamed bun machine according to claim 5, characterized in that, A lifting screw (50) and an inner filling tube lifting screw (51) are rotatably mounted on the filling pressing fixing plate (43) and the filling pressing mounting plate (44), respectively. A guide rail (52) and an inner filling tube guide rail (53) are fixed on the filling pressing fixing plate (43) and the filling pressing mounting plate (44), respectively. A lifting servo motor (54) is mounted on the filling pressing fixing plate (43). The output shaft of the lifting servo motor (54) is connected to the lifting screw (50). A screw nut mounting block (55) is threaded onto the lifting screw (50). The screw nut mounting block (55) is slidably adapted to the guide rail (52). The pressing plate (44) is connected to the screw nut mounting block (55). The pressing plate (44) is equipped with an inner filling tube servo motor (56). The output shaft of the inner filling tube servo motor (56) is connected to the inner filling tube lifting screw (51). The inner filling tube lifting screw (51) is threaded with an inner filling tube nut mounting block (57). The inner filling tube nut mounting block (57) is slidably adapted to the inner filling tube guide rail (53). The inner filling tube (45) is mounted on the inner filling tube nut mounting block (57). The inner filling tube (45) has an air jet hole (58) through it along its own axial direction.

7. The pleating forming device for a steamed bun machine according to claim 1, characterized in that, Below the gathering component (6) is a sealing component (7), which includes a plurality of sealing blades (38). The plurality of sealing blades (38) are arranged in a circular array on a horizontal plane. The sealing blades (38) have a degree of freedom to move radially toward the array circle. The sealing component (7) seals the wrinkled skin through the sealing blades (38).

8. The pleating forming device for a steamed bun machine according to claim 7, characterized in that, The sealing component (7) further includes a sealing mounting plate (31), a sealing swing arm (32), a sealing connecting rod (33), a connecting piece (34), a rotating active swing arm (35), a copper shaft (36), a rotating driven swing arm (37), a lower fixing plate (39), and an upper fixing plate (40). The upper fixing plate (40) and the lower fixing plate (39) are arranged at intervals in the vertical direction and connected together by multiple connecting columns (41). The rotating active swing arm (35) and multiple rotating driven swing arms (37) are evenly distributed around the circumference of the lower fixing plate (39). Both the rotating driven swing arm (37) and the rotating active swing arm (35) are fixed with copper shafts (36). The copper shafts (36) rotatably pass through the lower fixing plate (39) and are connected to it. On the upper fixed plate (40), a sealing blade (38) is fixedly sleeved on the copper shaft (36). The sealing blade (38) is located between the upper fixed plate (40) and the lower fixed plate (39). The sealing mounting plate (31) is mounted on the frame (1). A sealing servo motor (42) is mounted on the sealing mounting plate (31). The output shaft of the sealing servo motor (42) is connected to the sealing swing arm (32). The two ends of the sealing connecting rod (33) are respectively hinged to the sealing swing arm (32) and the rotating active swing arm (35). The rotating active swing arm (35) is hinged to the adjacent rotating driven swing arm (37) through the connecting piece (34). The adjacent rotating driven swing arms (37) are hinged to each other through the connecting piece (34).

9. The pleating forming device for a steamed bun machine according to claim 1, characterized in that, It also includes a pallet lifting component (8), which includes a pallet (14) having a degree of freedom to move in the vertical direction. The pallet (14) is used to support dough for the production of pleated buns.

10. The pleating forming device for a steamed bun machine according to claim 9, characterized in that, The pallet lifting component (8) further includes a mounting plate (71), a push plate (72), a pallet screw slider seat (73), a push cylinder (74), and a pallet servo motor (75). The mounting plate (71) is fixedly connected to the frame (1). A ball screw (76) is rotatably mounted on the mounting plate (71). A pallet guide rail (77) is fixed on the mounting plate (71). The pallet screw slider seat (73) is threaded onto the ball screw (76), and the pallet screw slider seat (73) is slidably mounted on the pallet guide rail (77). A pallet support rod (78) is connected to the bottom of the pallet (14). The pallet support rod (78) is connected to the pallet screw slider seat (73). The pusher cylinder (74) is horizontally arranged on the mounting plate (71). The telescopic shaft of the pusher cylinder (74) is connected to the pusher plate (72). The pusher plate (72) is used to push the buns on the pallet (14) into the discharge conveyor component (3). The mounting plate (71) is equipped with a pallet servo motor (75). The output shaft of the pallet servo motor (75) is connected to a synchronous pulley (79). The ball screw (76) is connected to a driven pulley. The driven pulley is connected to the synchronous pulley (79) through a synchronous belt (80).

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