Automatic thin pancake circle taking equipment

Abstract

The utility model provides automatic thin pancake circle taking equipment which comprises a machine frame, a conveying belt, a die pressing head and a driving mechanism are arranged on the machine frame, the conveying belt comprises a conveying plane, the die pressing head comprises a cutter rest and a circular cutter arranged on the cutter rest, the driving mechanism is used for driving the die pressing head to move downwards, a detection component is further arranged on the machine frame, and the automatic thin pancake circle taking equipment further comprises a controller. The detection part is electrically connected to one input end of the controller, and the driving mechanism is electrically connected to one output end of the controller. After a cooked pancake is detected, the controller controls the die pressing head to move downwards to automatically complete punching and pancake cutting, the pancake cutting speed can be increased, and the appearance quality of the cut pancake can be improved. The demolding end can push out the remaining edges in the gaps of the circular cutters, and the remaining edges are prevented from being clamped in the gaps of the multiple circular cutters. And the elastic pad can ensure that the thin pancake can be completely cut off. And the mistaken induction preventing mechanism can prevent the mould pressing head from being triggered by mistake to punch the cut thin pancake again.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of food processing, and specifically relates to an automatic thin pancake taking equipment. BACKGROUND

[0002] Duck is a world-renowned Beijing famous dish, originated in the Southern and Northern Dynasties, often with duck pancakes. The industrial forming of duck pancakes generally includes: kneading, dividing, pressing, cooking, and taking. Generally, the pressing process and the cooking process are completed at the same time to make cooked pancakes. Then, the cooked pancakes are stacked according to the required number, and the regular-shaped, directly-packable circles are taken from the cooked pancakes.

[0003] The cooked pancakes made in the prior art are divided into two types: large pancakes and small pancakes. The size of the small pancakes is slightly larger than that of a single duck pancake. After taking a stack of duck pancakes from the center of the small pancakes, the remaining edges are waste. The size of the large pancakes is larger, and multiple stacks of pancakes can be taken from them.

[0004] In the prior art, a manual pancake cutter is needed to take the circles. The manual pancake cutter includes a circular cutter and a handle fixed horizontally on the circular cutter. The operator holds the handle and presses the circular cutter to cut the required, packable duck pancakes from the cooked pancakes. The manual taking of the circles has the following disadvantages: the worker's strength is generally not enough to completely cut the stack of pancakes, and the worker needs to twist the circular cutter back and forth after pressing the cutter to the bottom to completely separate the duck pancakes from the remaining edges. This will cause the edges of the duck pancakes to be irregular. Second, the labor intensity is high, and the wrist is prone to strain. Third, the efficiency is low, and it cannot keep up with the speed of the cooked pancake line, so multiple workers are needed to take the circles, which increases the labor cost.

[0005] In addition to duck pancakes, the above problems exist in the processing and production of thin pancakes such as steamed buns and spring pancakes, so there is an urgent need to develop a taking equipment that can automatically take regular-shaped thin pancakes from a stack of cooked pancakes. UTILITY MODEL CONTENT

[0006] The utility model aims to provide an automatic thin pancake taking equipment to solve the problem of taking regular-shaped thin pancakes from a stack of cooked pancakes by manual labor in the prior art.

[0007] The utility model discloses a technical scheme, a kind of automatic thin cake takes round equipment, including rack, transmission belt, moulding head, driving mechanism one and driving mechanism two are equipped on rack, driving mechanism one is used to drive the transmission belt operation, the transmission belt includes the transmission plane for sending cooked cake from one end to another, the moulding head includes tool holder and the circular cutter of setting on tool holder, driving mechanism two is used to drive the moulding head and move downward to cut out the thin cake of required shape from cooked cake, detection component for detecting whether there is cooked cake in defined area is further provided on the rack, the detection component is electrically connected in one input of the controller to pass the information of acquisition to it, driving mechanism one and driving mechanism two are electrically connected in different output of the controller to controlled motion.

[0008] Further, seven circular cutters are arranged on the tool holder, one of which is located at the center, and the other six are arranged around it in a ring shape.

[0009] Further, the moulding head further comprises a demoulding mechanism mounted on the tool holder, the demoulding mechanism comprising a demoulding end, which can push the thin cake and / or the excess edge out when the moulding head moves upward away from the transmission belt.

[0010] Further, the demoulding mechanism comprises a demoulding rod movably mounted on the tool holder in the up-down direction, and a spring I sleeved on the demoulding rod, the demoulding end is arranged at the lower end of the demoulding rod or formed by the lower end of the demoulding rod, and the spring I is arranged between the tool holder and the demoulding end to be compressed when the moulding head presses the thin cake, and reset to drive the demoulding end to push the thin cake and / or the excess edge out when the moulding head moves upward away from the transmission plane.

[0011] Further, the demoulding rod is arranged in the circular cutter and the gap between adjacent three circular cutters.

[0012] Further, a stamping backing plate is arranged below the transmission plane on the rack, the stamping backing plate is below the moulding head, and an elastic pad is arranged between the stamping backing plate and the transmission plane.

[0013] Further, the detection component is a photoelectric switch sensor, and the moulding head further comprises an anti-misoperation sensing mechanism, the anti-misoperation sensing mechanism comprising an anti-misoperation sensing end, the position of the anti-misoperation sensing end corresponds to the position of the photoelectric switch sensor, and the anti-misoperation sensing end is used to extend downward to press the transmission belt when the moulding head moves upward away from the transmission belt, so as to avoid the transmission belt near the photoelectric switch sensor from moving with the moulding head.

[0014] Further, the anti-misoperation sensing mechanism comprises an anti-misoperation sensing rod which is guided to move up and down relative to the tool holder, and a spring two which is sleeved outside the anti-misoperation sensing rod, the anti-misoperation sensing end is arranged at the lower end of the anti-misoperation sensing rod or is formed by the lower end of the anti-misoperation sensing rod, and the spring two is abutted between the tool holder and the anti-misoperation sensing end to be compressed when the die head is pressed down to cut the pie, and is reset to inhibit the upstroke amplitude of the corresponding part of the conveying belt when the die head is upwardly separated from the conveying plane.

[0015] Further, the lower end surface of the anti-misoperation sensing end is lower than the lower end surface of the circular cutter and the lower end surface of the demolding end.

[0016] The utility model discloses the advantages lie in: the utility model discloses can be detected by the detection frame to the pie that sends, and then the pie is cut by the controller control die head downstroke automatic completion stamping, can improve the pie cutting speed and the appearance quality of the thin pie that cuts, with the automation mode replaces manual work and can avoid the problem that the wrist of pie cutting worker is prone to appear strain when cutting the pie.

[0017] Further, when the excess edge is clamped in the gap of the plurality of circular cutters and protrudes downward from the lower end of the circular cutter, the circular cutter cannot cut a complete thin pie from the stacked pie, the setting of the demolding end can push out the excess edge in the gap of the three circular cutters, avoid the excess edge clamped in the gap of the plurality of circular cutters, and enable the utility model to work continuously without frequent shutdown.

[0018] Further, the elastic pad arranged between the stamping base plate and the conveying belt can compensate for the insufficient flatness of the upper surface of the stamping base plate and the lower end surface of the circular cutter, so that the die head can be engaged with the stamping base plate when the die head is pressed down, and the thin pie is completely cut, avoiding the situation that the thin pie is partially adhered to the excess edge and cannot be completely cut.

[0019] Further, the anti-misoperation sensing mechanism arranged near the detection component can avoid the upward reset of the die head driving the conveying belt to move upward and mistriggering the die head, and avoid the thin pie that has been completely cut being secondarily stamped and damaged by the mistriggered die head. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor under the premise of the drawings.

[0021] Figure 1 It is a three-dimensional structure schematic view of embodiment one of an automatic thin pie taking device.

[0022] Figure 2 for Figure 1 Side view;

[0023] Figure 3 This is a magnified view of a portion of point A;

[0024] Figure 4 This is a magnified view of a portion of point B;

[0025] Figure 5 This is a schematic diagram of the demolding mechanism;

[0026] Figure 6 This is a schematic diagram of the tool holder structure;

[0027] Figure 7 This is a schematic diagram of the structure of the remaining edge cut out in the embodiment;

[0028] Figure 8 This is a schematic diagram of the assembled tool holder and demolding mechanism.

[0029] In the diagram, 1. Frame; 2. Controller frame; 3. Molding head fixing seat; 4. Conveyor belt; 5. Knife holder; 6. Anti-misoperation sensing mechanism; 7. Circular cutter; 8. Demolding mechanism; 9. Stamping pad; 10. Elastic pad; 11. Detection frame; 12. Detection component; 13. Controller; 14. Cylinder; 41. Conveying plane; 51. Through hole; 61. Anti-misoperation sensing base; 62. Anti-misoperation sensing rod; 63. Anti-misoperation sensing end; 64. Spring 2; 65. Nut 2; 81. Demolding rod; 82. Spring 1; 83. Demolding end; 84. Nut 1. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Embodiment 1 of an automated pancake rounding device of this utility model:

[0032] An automated pancake rounding device, the structure of which is as follows: Figures 1 to 8As shown, the system includes a frame 1, a controller frame 2, and a controller 13. The frame 1 is equipped with a molding head mounting base 3, a conveyor belt 4, and a first drive mechanism. The molding head mounting base 3 is equipped with a molding head and a second drive mechanism. The conveyor belt 4 includes a conveying plane 41 for placing objects and transporting them from the front end to the rear end. The first drive mechanism provides power for the movement of the conveyor belt 4. The molding head includes a knife holder 5 and circular cutters 7. The knife holder 5 can be guided and moved vertically relative to the molding head mounting base 3. Seven circular cutters 7 are arranged at the lower end of the knife holder 5, with one circular cutter 7 located at the center and the other six circular cutters 7 arranged in a ring around it. As the circular cutters 7 move up and down with the knife holder 5, they can press specific shapes onto the objects placed on the conveyor belt 4.

[0033] The conveyor rollers of the conveyor belt 4 are rotatably mounted on the frame 1. The drive mechanism is a servo motor whose stopping position can be accurately controlled. The servo motor drives the active roller to rotate, and the active roller drives the conveyor belt to move accordingly. The other conveyor rollers move with the conveyor belt and are thus driven rollers. To ensure that the circular cutter 7 can completely cut the pancake without causing significant damage to the belt, a rigid stamping pad 9 is also fixed on the frame 1. The stamping pad 9 is located below the conveyor plane 41, and its position corresponds to the position of the die-cutting head. An elastic pad 10 is provided between the stamping pad 9 and the conveyor plane 41. The upper end of the elastic pad 10 is in contact with the corresponding part of the conveyor belt 4. Therefore, when the circular cutter 7 presses downward, it will not press the upper side of the conveyor belt 4 downward a large distance, which helps to protect the conveyor belt 4. Meanwhile, the elasticity of the elastic pad 10 can also compensate for the lack of flatness between the upper surface of the stamping pad 9 and the lower end surface of the circular cutter 7. Therefore, when the die head presses down, it can engage with the stamping pad 9 to cut the pancake completely, avoiding the situation where the pancake is partially stuck to the edge and cannot be completely cut.

[0034] The driving mechanism is a cylinder 14. The housing end of the cylinder 14 faces upward and is fixed below the molding head fixing seat 3. The piston rod of the cylinder 14 faces downward and is fixed to the tool holder 5. When the linear displacement telescopic end of the cylinder 14 extends or retracts, it can drive the tool holder 5 to move up and down.

[0035] The frame 1 is also equipped with a detection frame 11, on which a detection component 12 is installed. The detection component 12 is a photoelectric switch sensor, which detects whether there is an object within a specified height range below it. When an object is found at the specified height, the photoelectric switch sensor is triggered. After receiving the signal transmitted by the photoelectric switch sensor, the controller 13 sends a downward trigger signal and drives the piston rod of the cylinder 14 to extend, thereby driving the molding head to complete the stamping. After the piston rod continues to extend for a set time, the controller 13 sends a reset trigger signal and drives the piston rod of the cylinder 14 to reset upward, thereby driving the molding head to reset upward.

[0036] Meanwhile, the servo motor is electrically connected to another output port of the controller 13. When the controller 13 receives a signal from the photoelectric switch sensor indicating that a cooked cake is passing below, the controller 13 issues a stop signal and controls the servo motor to stop rotating. It should be emphasized that, since the photoelectric switch sensor is located in front of the molding head, after the photoelectric switch sensor senses the signal of a cooked cake passing below, the conveyor belt 4 needs to continue rotating for a period of time until the cooked cake is delivered below the molding head before stopping. The controller's implementation of both real-time control and delayed control are existing technologies, and their principles will not be detailed in this application.

[0037] The controller 13 includes an operation panel, through which control parameters such as delay time can be set. This allows adjustment of the front-to-back position of the stack of cooked pancakes on the conveyor belt 4 at the moment the servo motor stops rotating. Furthermore, by manually controlling the left-to-right position of the cooked pancakes on the conveyor belt 4, the pressing head is positioned precisely at the center of the stack of cooked pancakes when it presses down, ensuring that all seven circular cutters 7 can cut out uniformly shaped pancakes. In this embodiment, the controller 13 is a PLC controller.

[0038] Of course, the detection distance range set by the photoelectric switch sensor is less than the distance between the photoelectric switch sensor and the conveying plane 41, but greater than the distance between the photoelectric switch sensor and the top surface of the stack of cooked cakes transported by the conveying plane 41. Therefore, when the empty conveyor belt passes under the photoelectric switch sensor, the photoelectric switch sensor will not be triggered; but when the conveyor belt 4 carries the stack of cooked cakes and passes under the photoelectric switch sensor, the photoelectric switch sensor will be triggered.

[0039] In this embodiment, the conveyor belt 4 holds stacks of cooked pancakes, and the circular cutter 7 is used to cut neatly stacked thin pancakes from the stacks of cooked pancakes. Because the cooked pancakes have a certain stickiness, after the circular cutter 7 cuts the thin pancakes, the remaining edges are shaped as follows... Figure 6 As shown, there are multiple triangular-shaped excess edges sandwiched between three adjacent circular cutters 7. In order to minimize the amount of excess edges, the width D at the edge of the triangular-shaped excess edges is extremely small. Therefore, the triangular-shaped excess edges are easy to break and adhere to the gaps between the multiple circular cutters 7. If too many excess edges are sandwiched in the gaps between the circular cutters 7, they will protrude downwards from the lower end face of the circular cutter 7, thus preventing the circular cutter 7 from cutting a complete pancake from the stack of cooked pancakes.

[0040] Therefore, a through hole 51 is made on the blade holder 5 at a position corresponding to the triangular gap between three adjacent circular cutters 7. A demolding mechanism 8 is installed in the through hole 51. The demolding mechanism 8 includes a demolding rod 81 that is guided and movable on the blade holder 5 in the vertical direction, and a spring 82 that is sleeved on the demolding rod 81. The demolding rod 81 is a metal rod, and a demolding end 83 with a diameter larger than its diameter is fixed to the lower end of the demolding rod 81. The demolding end 83 is made of food-grade plastic and is sleeved on the lower end of the demolding rod 81. The upper end of the demolding rod 81 is fixed by a nut 84 to prevent it from coming out of the through hole 51. The spring 82 is a compression spring that abuts against the demolding end 83 and the blade holder 5. After calibration, the lower end of the demolding end 83 protrudes slightly downward from the lower end face of the circular cutter 7 or is flush with the lower end face of the circular cutter 7.

[0041] As the die-cutting head moves downward to press the biscuit out of the cooked biscuit, the circular cutter 7 travels a distance L1 downward from contacting the upper surface of the cooked biscuit until it completely cuts it off. The demolding rod 81 is also pushed upward a distance L2 (L2 is greater than or equal to L1). When the die-cutting head moves upward away from the transmission plane, the spring 82 returns to its original position and drives the demolding end 83 downward, thereby pushing out the remaining edge at the triangular slit and preventing the remaining edge from being stuck at the triangular slit.

[0042] Meanwhile, since the cooked cakes are generally freshly delivered from the cooking production line and are at a relatively high temperature, with a certain degree of humidity and stickiness, the air pressure at local locations between the cooked cake and the conveyor plane 41 changes after the die-pressing head presses down on the cake. Combined with the cake's own stickiness and humidity, this causes the cake to adhere to the conveyor belt 4. The adhesion between the cooked cake and the conveyor belt 4 is relatively small. At the initial moment of the die-pressing head's upward reset, the adhesive force between the cake and the remaining edge will cause the cake and the remaining edge to move upward, and then pull the conveyor belt 4 upward through the cake and the remaining edge. After being pulled up, the conveyor belt 4 can smoothly detach from the cake and the remaining edge after a short time. If the upward movement of the conveyor belt 4 at the photoelectric switch sensor position is too large during the die-pressing head's upward reset, it will falsely trigger the photoelectric switch sensor, causing the controller 13 to falsely send a downward trigger signal. This incorrect downward trigger signal will cause the die-pressing head to malfunction and perform a secondary press in a short period, damaging the already cut cake.

[0043] To avoid this situation, in a more preferred embodiment, the front end of the cutter holder 5 is also provided with an anti-misoperation sensing mechanism 6. The anti-misoperation sensing mechanism 6 includes an anti-misoperation sensing base 61, and a metal anti-misoperation sensing rod 62 is inserted into the front end hole of the anti-misoperation sensing base 61. The anti-misoperation sensing rod 62 can move up and down along the anti-misoperation sensing base 61. The upper end of the anti-misoperation sensing rod 62 is provided with an anti-dislodgement nut 65. The anti-misoperation sensing rod 62 is covered with a spring 64. The lower end of the anti-misoperation sensing rod 62 is fixed with a food-grade plastic anti-misoperation sensing end 63. The diameter of the anti-misoperation sensing end 63 is larger than the diameter of the anti-misoperation sensing rod 62. The spring 64 is pressed between the anti-misoperation sensing base 61 and the anti-misoperation sensing end so that it is compressed when the molding head presses down to cut the cake and resets when the molding head moves upward away from the conveyor plane 41. When the spring 64 resets, it can keep the anti-misoperation sensing end 63 pressed against the conveyor belt 4 for a short time to prevent the conveyor belt 4 from accidentally triggering the photoelectric switch sensor when it moves upward.

[0044] It is important to emphasize that when the molding head is in the upward reset state, the lower end of the anti-misoperation sensing end 63 protrudes downward from the lower end faces of the circular cutter 7 and the demolding end 83. Therefore, when the circular cutter 7 is pressed down to the bottom and contacts the conveyor plane 41, the anti-misoperation sensing end 63 is already blocked by the conveyor plane 41, compressing the spring 64 by a certain distance. Thus, during the short period of time when the molding head is reset upward and the conveyor belt 4 is lifted upward, the anti-misoperation sensing end 63 will remain in contact with the conveyor belt 4 near the photoelectric switch sensor under the influence of the reset of the spring 64, preventing the conveyor belt 4 from bouncing upward at that point. When the anti-misoperation sensing end 63 separates from the conveyor belt 4, the cake and the remaining edge have also separated from the conveyor belt 4, and the conveyor belt 4 will not bounce upward again.

[0045] In this embodiment, the lower end of the anti-false sensing end 63 protrudes downward from the lower end of the circular cutter 7 and the demolding end 83 by 1cm-2cm.

[0046] Meanwhile, the anti-false sensing rod 62 is arranged near the detection frame 11 to directly suppress the following amplitude of the conveyor belt 4 near the detection frame 11, so as to avoid the photoelectric switch sensor being falsely triggered.

[0047] In this embodiment, the upper ends of the anti-misoperation sensing rod 62 and the demolding rod 81 are both prevented from detaching by nuts. Tightening the nuts can also adjust the height of the ends of the anti-misoperation sensing end 63 and the demolding end 83.

[0048] In other embodiments, the anti-misoperation sensing end 63 can also be integrally formed with the anti-misoperation sensing rod 62; the demolding end 83 can also be integrally formed with the demolding rod 81; and the lower end of the knife holder 5 can also be provided with 3, 4 or other numbers of circular cutters.

[0049] In other embodiments, a single cooked pancake may also be placed on the conveyor belt 4, and the detection distance range of the detection component 12 should include the distance between the upper surface of the single cooked pancake and the detection component 12.

[0050] Embodiment 2 of the automated pancake rounding device of this utility model:

[0051] The difference between Embodiment 2 and Embodiment 1 is that the demolding mechanism 8 is also provided inside the circular cutter, and the size of the demolding end 83 of the demolding mechanism 8 inside the circular cutter is larger than the size of the demolding end 83 of the demolding mechanism 8 in the gaps of the three circular cutters.

[0052] The demolding mechanism 8 inside the circular cutter 7 can speed up the demolding process and further improve the biscuit cutting rate.

[0053] Embodiment 3 of an automated pancake rounding device of this utility model:

[0054] The difference between Embodiment 3 and Embodiment 1 is that: only one circular cutter 7 is provided at the lower end of the cutter holder 5, and the cooked pancakes fed from the front end are small pancakes with a size only slightly larger than the size of a single thin pancake. When only one edge is provided at the lower end of the cutter holder 5, the demolding mechanism 8 can be omitted, or the demolding mechanism can be provided only inside the circular cutter 7.

[0055] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims and not by the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An automated pancake rounding device, characterized in that: The device includes a frame and a controller. The frame is equipped with a conveyor belt, a molding head, a first drive mechanism, and a second drive mechanism. The first drive mechanism drives the conveyor belt to operate. The conveyor belt includes a conveying plane for feeding cooked biscuits from one end to the other. The molding head includes a blade holder and a circular cutter mounted on the blade holder. The second drive mechanism drives the molding head to move downwards to cut biscuits of the desired shape from the cooked biscuits. The frame is also equipped with a detection component for detecting whether there are cooked biscuits within a defined area. The detection component is electrically connected to one input terminal of the controller to transmit the collected information to it. The first drive mechanism and the second drive mechanism are electrically connected to different output terminals of the controller for controlled movement.

2. The automated pancake rounding device according to claim 1, characterized in that: The blade holder is equipped with seven circular cutters, one of which is located in the center and the other six are arranged in a ring around it.

3. The automated pancake rounding device according to claim 1, characterized in that: The molding head also includes a demolding mechanism mounted on a tool holder, the demolding mechanism including a demolding end that can push out the cake and / or excess edge when the molding head moves upward away from the conveyor belt.

4. The automated pancake rounding device according to claim 3, characterized in that: The demolding mechanism includes a demolding rod that is guided and movable on the knife holder in the vertical direction, and a spring sleeved on the demolding rod. The demolding end is located at the lower end of the demolding rod or the lower end of the demolding rod forms the demolding end. The spring abuts between the knife holder and the demolding end so that it is compressed when the die head presses down to cut the cake, and resets when the die head moves upward away from the conveying plane, driving the demolding end to push out the cake and / or excess edge.

5. The automated pancake rounding device according to claim 4, characterized in that: The demolding rod is arranged inside the circular cutter and in the gap between three adjacent circular cutters.

6. The automated pancake rounding device according to claim 1, characterized in that: A stamping pad is provided on the frame below the conveying plane. The stamping pad is located below the molding head, and an elastic pad is provided between the stamping pad and the conveying plane.

7. The automated pancake rounding device according to claim 1, characterized in that: The detection component is a photoelectric switch sensor. The molding head also includes an anti-misoperation sensing mechanism. The anti-misoperation sensing mechanism includes an anti-misoperation sensing end. The position of the anti-misoperation sensing end corresponds to the position of the photoelectric switch sensor. The anti-misoperation sensing end is used to extend and press down on the conveyor belt when the molding head moves upward and leaves the conveyor belt to prevent the conveyor belt near the photoelectric switch sensor from moving upward with the molding head.

8. An automated pancake rounding device according to claim 7, characterized in that: The anti-misoperation sensing mechanism includes an anti-misoperation sensing rod, which can be guided and moved relative to the cutter holder in the vertical direction. It also includes a second spring sleeved on the anti-misoperation sensing rod. The anti-misoperation sensing end is disposed at the lower end of the anti-misoperation sensing rod or the lower end of the anti-misoperation sensing rod forms the anti-misoperation sensing end. The second spring abuts between the cutter holder and the anti-misoperation sensing end so as to be compressed when the die-cutting head presses down to cut the cake and reset when the die-cutting head moves upward away from the conveyor plane to suppress the upward movement of the corresponding part of the conveyor belt.

9. An automated pancake rounding device according to claim 8, characterized in that: The molding head also includes a demolding mechanism mounted on the knife holder. The demolding mechanism includes a demolding end, which can push out the pancake and / or excess edge when the molding head moves upward away from the conveyor belt. The lower end face of the anti-misoperation sensing end is lower than the lower end face of the circular cutter and the demolding end.

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