Return tray conveying line for shredded cake production

Abstract

The invention relates to the technical field of transportation, and discloses a rotary disc conveying line for shredded cake production, which comprises two groups of baffle plates, two groups of rolling wheels are rotatably connected to the sides, close to each other, of the two groups of baffle plates through rotating shafts, and supporting legs are fixedly connected to the sides, away from each other, of the two groups of baffle plates respectively; and a first motor is installed on the left side of the baffle located on the front side, the output end of the first motor is fixedly connected with the rolling wheel located on the left side, and the outer walls of the two sets of rolling wheels are both sleeved with conveying belts. The stacked shredded cakes are separated by arranging the scraper knife and the separation block, when the shredded cakes move, the bottom of the shredded cake located on the upper portion can make contact with the scraper knife and the separation block, the scraper knife presses the shredded cakes, the shredded cakes located on the lower portion can continue to move, at the moment, the shredded cakes located on the upper portion can drive the separation block to move upwards, and therefore the shredded cakes can be separated. And the stacked shredded cakes are separated.

Description

Technical Field

[0001] The present invention relates to the field of transportation technology, and in particular to a return tray conveyor line for producing hand-grabbed pancakes. Background Art

[0002] The return tray conveyor line for hand-pulled pancake production is mainly responsible for conveying the used or to-be-used trays (such as trays, baking trays, etc.) from one end to the other end during the production process, so as to place, bake, cool and subsequently package the pancake dough. At the same time, it can also realize the recycling and reuse of trays, improve production efficiency and resource utilization. The return tray conveyor line for hand-pulled pancake production can automatically complete the transportation and recycling of trays, reduce manual intervention, and improve production efficiency. The trays that have completed the production operation are recycled through the recycling mechanism and placed at the starting end or designated position of the conveyor line for reuse. In summary, the return tray conveyor line for hand-pulled pancake production is one of the indispensable and important equipment in modern hand-pulled pancake production. Its high efficiency, stability and flexibility have brought significant economic and social benefits to hand-pulled pancake production companies.

[0003] The patent application with application number CN202322788725.9 discloses a return disc conveyor line for the production of hand-pulled pancakes, including a conveyor body, and a waste collection mechanism is installed in the four groups of slide grooves. The waste collection mechanism includes a mounting rod, and the mounting rod can be lifted and installed above the conveyor body. A scraper is slidably installed on the lower surface of the mounting rod. The two ends of the two groups of slide rods are respectively slidably connected to the four groups of slide grooves corresponding to them. A cylinder is installed under the conveyor body. The hand-pulled pancakes will be transported by the conveyor body before packaging, and the mounting seat has a fixing effect on the cylinder. When the hand-pulled pancake with deformed shape passes through the waste collection mechanism, the cylinder will contract and pull the mounting rod downward.

[0004] When the existing hand-pulled pancake production return conveyor line transports the hand-pulled pancakes, the contact area between each hand-pulled pancake and the conveyor belt is inconsistent, which will cause the hand-pulled pancakes to stack at the same speed. If not handled in time, the stacking phenomenon will increase, resulting in obstruction of transportation. Summary of the invention

[0005] In view of the deficiencies in the prior art, the object of the present invention is to provide a return tray conveyor line for hand-pulled pancake production to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a return plate conveyor line for hand-grabbed pancake production, comprising two groups of baffles, the sides of the two groups of baffles close to each other are rotatably connected to two groups of rolling wheels through a rotating shaft, the sides of the two groups of baffles away from each other are respectively fixedly connected to support legs, a first motor is installed on the left side of the baffle on the front side, the output end of the first motor is fixedly connected to the rolling wheel on the left side, and the outer walls of the two groups of rolling wheels are both sleeved with conveyor belts, and also includes:

[0007] Flipping mechanism; the flipping mechanism comprises two groups of first load-bearing rods, the two groups of the first load-bearing rods are respectively fixedly connected to the baffle, the tops of the two groups of the first load-bearing rods are fixedly connected to the first top plate, the middle end of the first top plate is fixedly connected to the fixed block, and the bottom of the fixed block is fixedly connected to the telescopic rod;

[0008] The measuring mechanism comprises a limit block, a side of the limit block away from the telescopic rod is rotatably connected to a positioning block via a rotating shaft, a spring rod is fixedly connected to the bottom of the positioning block, and an arc plate is fixedly connected to the bottom of the spring rod;

[0009] A separation mechanism, the separation mechanism includes two groups of second load-bearing rods, the tops of the two groups of second load-bearing rods are fixedly connected to the second top plate, the inner wall of the second top plate is provided with a second sliding rod, the front side of the second top plate is installed with a second motor, the output end of the second motor is fixedly connected to the second sliding rod, and the side of the second sliding rod away from the second motor is rotatably connected to the inner wall of the second top plate through a bearing.

[0010] According to the above technical solution, a contact plate is fixedly connected to the bottom of the telescopic rod, first springs are fixedly connected to both the front and back sides of the bottom of the contact plate, and the bottoms of the two groups of the first springs are fixedly connected to the bottom plate.

[0011] According to the above technical solution, the bottoms of the two groups of base plates are fixedly connected with connecting rods, the outer walls of the connecting rods are fixedly connected with rectangular blocks, and the inner walls of the rectangular blocks are provided with two groups of first sliding rods.

[0012] According to the above technical solution, the upper and lower ends of the two groups of the first sliding rods are fixedly connected to the inner wall of the rectangular block, the outer walls of the two groups of the first sliding rods are slidably connected with a curved plate, the bottom of the curved plate is rotatably connected with a rotating block through a rotating shaft, and the curved plate, the rectangular block, the first sliding rod, and the rotating block are all arranged in three groups.

[0013] According to the above technical solution, moving blocks are slidably connected on both sides of the arc plate, and rectangular grooves are opened on the side of the two groups of moving blocks away from the limit blocks, and second springs are fixedly connected to the tops of the two groups of rectangular groove walls.

[0014] According to the above technical solution, a pressing plate is fixedly connected to the bottom of the two groups of the second springs, the outer walls of the two groups of the pressing plates are in contact with the inner walls of the rectangular groove, and the sides of the two groups of the pressing plates away from the moving blocks are rotatably connected to a shaking plate through a rotating shaft.

[0015] According to the above technical solution, the outer wall of the second sliding rod is slidably connected to a sliding block, and the bottom of the sliding block is fixedly connected to two groups of suspension rods. The sides of the two groups of suspension rods that are close to each other are rotatably connected to a rotating rod through a rotating shaft, and the side of the rotating rod away from the suspension rod is fixedly connected to a shovel blade.

[0016] According to the above technical solution, semicircular blocks are fixedly connected on both sides of the scraper, two groups of semicircular blocks are provided with arc grooves on the side away from the scraper, and third springs are provided on the inner walls of the two groups of arc grooves. The right ends of the two groups of third springs are fixedly connected to the walls of the arc grooves.

[0017] According to the above technical solution, the left sides of the two groups of third springs are fixedly connected with a pulling plate, the sides of the two groups of pulling plates close to each other are fixedly connected with a cross bar, and the outer wall of the cross bar is fixedly connected with a separation block.

[0018] Compared with the prior art, the present invention provides a return plate conveyor line for hand-grabbed pancake production, which has the following beneficial effects:

[0019] 1. The present invention provides three sets of rotating blocks, so that when the hand-pulled pancake is transported by a conveyor belt, the three sets of rotating plates can contact a single hand-pulled pancake that is wrinkled during transportation, and then rotate under the drive of the moving hand-pulled pancake, and the rotating rotating plates can pick up the hand-pulled pancake, turn it over, and contact the conveyor belt again.

[0020] 2. The present invention can measure the height of the hand-grabbed pancake in transportation by setting a measuring mechanism, so that the shaking plate is in contact with the hand-grabbed pancake. At this time, the shaking plate will drive the second spring to contract, causing the second spring to rebound. At this time, the shaking plate is subjected to downward pressure, and the side of the bottom of the shaking plate that first contacts the hand-grabbed pancake will rotate downward, and the other side will tilt up, thereby measuring the hand-grabbed pancake.

[0021] 3. The present invention separates the stacked hand-pulled pancakes by providing a spatula and a separation block. When the hand-pulled pancakes are moving, the bottom of the hand-pulled pancakes on the upper side will contact the spatula and the separation block, so that the spatula presses the hand-pulled pancakes, while the hand-pulled pancakes on the lower side will continue to move. At this time, the hand-pulled pancakes on the upper side will drive the separation block to move upward, so that the stacked hand-pulled pancakes are separated.

[0022] 4. The present invention provides a measuring mechanism and a separating mechanism so that the measuring mechanism can detect the stacking of the hand-pulled pancakes in time when measuring the height of the hand-pulled pancakes. At this time, the separation mechanism can be moved in advance by adjusting the motor to rotate, so that the hand-pulled pancakes can be separated accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 is a cross-sectional view of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the first top plate of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the turning mechanism of the present invention;

[0027] Figure 5 It is a schematic diagram of the structure of the rectangular block of the present invention;

[0028] Figure 6 It is a structural schematic diagram of the measuring mechanism of the present invention;

[0029] Figure 7 It is a structural schematic diagram of the swaying plate of the present invention;

[0030] Figure 8 It is a structural schematic diagram of the separation mechanism of the present invention;

[0031] Fig. 9 It is a schematic structural diagram of the scraper of the present invention.

[0032] In the figure: 1, supporting leg; 2, first motor; 3, baffle; 4, conveyor belt; 5, rolling wheel; 6, turning mechanism; 601, first top plate; 602, fixing block; 603, telescopic rod; 604, contact plate; 605, first spring; 606, bottom plate; 607, connecting rod; 608, curved plate; 609, rectangular block; 610, first sliding rod; 611, rotating block; 612, first load-bearing rod; 7, measuring mechanism; 701, limit block; 702, positioning block; 703, spring rod; 704, arc plate; 705, moving block; 706, rectangular groove; 707, second spring; 708, pressing plate; 709, shaking plate; 8, separation mechanism; 801, second load-bearing rod; 802, second top plate; 803, second sliding rod; 804, second motor; 805, sliding block; 806, suspension rod; 807, rotating rod; 808, third spring; 809, pulling plate; 810, separation block; 811, scraper; 812, semicircular block; 813, arc groove; 814, cross bar. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Example 1: See Figure 1-Figure 5 The present invention provides a technical solution: a return plate conveyor line for hand-grabbed pancake production, comprising two groups of baffles 3, two groups of rolling wheels 5 are rotatably connected to the sides of the two groups of baffles 3 that are close to each other through a rotating shaft, and the two groups of baffles 3 are respectively fixedly connected to the supporting legs 1 on the sides that are far away from each other, and a first motor 2 is installed on the left side of the front baffle 3, and the output end of the first motor 2 is fixedly connected to the rolling wheel 5 on the left side, and the outer walls of the two groups of rolling wheels 5 are both sleeved with a conveyor belt 4, and also includes:

[0037] The turning mechanism 6 comprises two groups of first load-bearing rods 612, and the two groups of first load-bearing rods 612 are fixedly connected to the baffle 3 respectively. The tops of the two groups of first load-bearing rods 612 are fixedly connected to the first top plate 601, and the middle end of the first top plate 601 is fixedly connected to the fixed block 602, and the bottom of the fixed block 602 is fixedly connected to the telescopic rod 603, and the bottom is fixedly connected to the contact plate 604. By setting the telescopic rod 603, the height of the hand-grabbed pancakes of different thicknesses can be adjusted to avoid the situation that the height cannot be adjusted when facing hand-grabbed pancakes of different heights, so that the hand-grabbed pancakes cannot be fully processed. The front and back sides of the bottom of the contact plate 604 are fixedly connected, and the bottoms of the two groups of first springs 605 are fixedly connected to the bottom plate 606. By setting the first springs 605 and the bottom plate 606, the shaking rotating block 611 can be processed, and the shaking force is absorbed by the contraction of the first springs 605, and then the first springs 605 are used to absorb the shaking force. The rebound force is released to ensure that when the hand-grabbed pancake is processed, the hand-grabbed pancake will not fall off the flipping mechanism 6 due to uneven shaking force. The bottoms of the two groups of bottom plates 606 are fixedly connected to connecting rods 607, and the outer walls of the connecting rods 607 are fixedly connected to rectangular blocks 609. The inner walls of the rectangular blocks 609 are provided with two groups of first sliding rods 610. The upper and lower ends of the two groups of first sliding rods 610 are fixedly connected to the inner walls of the rectangular blocks 609. The outer walls of the two groups of first sliding rods 610 are slidably connected to curved The curved plate 608 is rotatably connected to a rotating block 611 at the bottom through a rotating shaft. The curved plate 608, the rectangular block 609, the first sliding rod 610, and the rotating block 611 are all arranged in three groups. The rotating block 611 can be arranged to turn the hand-grabbed pancake over. When the edge of the hand-grabbed pancake is in contact with the rotating block 611, a certain amount of the hand-grabbed pancake will be stored at the edge through the depression of the rotating block 611, which can prevent the rotating block 611 from falling off during rotation.

[0038] The working principle of this embodiment is as follows: when the hand-grabbed pancake needs to be transported, the staff starts the first motor 2, and the first motor 2 drives the rolling wheel 5 on the left to rotate, causing the rolling wheel 5 to drive the conveyor belt 4 to rotate, and then the telescopic rod 603 is adjusted in height to make the hand-grabbed pancake on the conveyor belt 4 start to move. When the friction between the hand-grabbed pancake and the conveyor belt 4 increases during the movement, the hand-grabbed pancake may wrinkle under the continuous friction. When the wrinkled hand-grabbed pancake contacts the rotating block 611, the rotating block 611 will first contact the edge of the hand-grabbed pancake. Because the rotating block 611 is provided with a depression, the edge of the hand-grabbed pancake will move to the depression of the rotating block 611. The hand-grabbed pancake stops and then continues to move, driving the rotating block 611 to rotate. Because the rotating block 611 will generate a shaking force when it rotates, when the three groups of rotating blocks 611 are in contact with the hand-grabbed pancake at the same time, the shaking force increases and the hand-grabbed pancake may fall off the rotating block 611. At this time, the connecting rod 607 absorbs the shaking force generated by the rotation, and then transmits it to the bottom plate 606 by the connecting rod 607, and then to the first spring 605 by the bottom plate 606. The first spring 605 begins to contract and then rebounds to release the pressure. When the rotating block 611 completes half a circle of rotation, it will turn the hand-grabbed pancake to the reverse side and fall on the conveyor belt 4 for further transportation.

[0039] Example 2: Please refer to Figure 6-Figure 7 On the basis of the first embodiment, the present invention provides a technical solution: a measuring mechanism 7, the measuring mechanism 7 includes a limit block 701, the side of the limit block 701 away from the telescopic rod 603 is connected to a positioning block 702 by rotating and pulling, the bottom of the positioning block 702 is fixedly connected to a spring rod 703, and the bottom of the spring rod 703 is fixedly connected to an arc plate 704. By setting the arc plate 704, the moving block 705 can slide, so that the stacking phenomenon of hand-grabbed pancakes at different positions can be processed, so that when the hand-grabbed pancakes are transported, the situation that some transportation positions cannot be detected can be avoided. The front and back sides of the arc plate 704 are slidably connected to the moving blocks 705, and the two sets of moving A rectangular groove 706 is provided on one side of the block 705 away from the limit block 701, and a second spring 707 is fixedly connected to the top of the groove wall of the two groups of rectangular grooves 706. By setting the second spring 707, pressure can be applied to the pressing plate 708, so that when the pressing plate 708 moves downward, the pressing plate 708 can drive the shaking plate 709 to rotate, so as to timely and accurately detect the stacking phenomenon of the hand-grabbed pancakes. The two groups of second springs 707 are fixedly connected to the pressing plate 708 at the bottom, and the outer walls of the two groups of pressing plates 708 are in contact with the inner walls of the rectangular grooves 706. The two groups of pressing plates 708 are rotatably connected to the shaking plate 709 through a rotating shaft on the side away from the moving block 705.

[0040] The working principle of this embodiment is as follows: when the hand-grabbed pancakes are moving, the friction between each hand-grabbed pancake and the conveyor belt 4 is inconsistent, resulting in inconsistent transportation speeds, causing some of the hand-grabbed pancakes to be stacked. At this time, the hand-grabbed pancakes will contact the shaking plate 709. At this time, the shaking plate 709 will be pushed upward by the hand-grabbed pancakes to move forward, causing the shaking plate 709 to start pushing the second spring 707 upward, causing the second spring 707 to start shrinking. After the second spring 707 completes the shrinkage, it will rebound, causing the second spring 707 to push the pressing plate 708 to move downward, and then the shaking plate 709 is driven downward by the pressing plate 708. At this time, the shaking plate 709 in the downward movement will deviate toward the hand-grabbed pancakes with stacking phenomenon, thereby generating a lateral thrust, causing the moving block 705 to start sliding toward the hand-grabbed pancakes with stacking phenomenon, thereby further measuring the hand-grabbed pancakes, which will then be checked by the staff.

[0041] Example 3: Please refer to Figure 8-Figure 9On the basis of the first and second embodiments, the present invention provides a technical solution: a separation mechanism 8, the separation mechanism 8 includes two groups of second load-bearing rods 801, the tops of the two groups of second load-bearing rods 801 are fixedly connected with a second top plate 802, the inner wall of the second top plate 802 is provided with a second sliding rod 803, and the front of the second top plate 802 is installed with a second motor 804. By setting the second motor 804, the sliding block 805 can be quickly adjusted, so that the hand-grabbed pancake can be moved more quickly when processing, so as to avoid missing the stacked hand-grabbed pancakes due to untimely movement. The second motor 8 The output end of 04 is fixedly connected with a second slide bar 803, and the side of the second slide bar 803 away from the second motor 804 is rotatably connected to the inner wall of the second top plate 802 through a bearing, and the outer wall of the second slide bar 803 is slidably connected with a sliding block 805, and the bottom of the sliding block 805 is fixedly connected with two groups of suspension rods 806, and the side of the two groups of suspension rods 806 close to each other is rotatably connected with a rotating rod 807 through a rotating shaft, and the side of the rotating rod 807 away from the suspension rod 806 is fixedly connected with a scraper 811, and the front and back sides of the scraper 811 are fixedly connected with semicircular blocks 812, and the two groups of semicircular blocks 812 are away from the scraper 81 1 is provided with an arc groove 813 on one side, and the inner walls of the two groups of arc grooves 813 are provided with third springs 808. By providing the third springs 808, after the separation of the hand-grabbed pancake is completed, the third springs 808 can be used to push, so that the pulling plate 809 is reset, so as to avoid the separation block 810 from continuing to stay in the position after the rotation after the hand-grabbed pancake is separated again, so that the next hand-grabbed pancake cannot be separated. The right ends of the two groups of third springs 808 are fixedly connected to the groove wall of the arc groove 813, and the left ends of the two groups of third springs 808 are fixedly connected with the pulling plate 809. Plate 809, one side of the two sets of pulling plates 809 close to each other is fixedly connected with a cross bar 814, and the outer wall of the cross bar 814 is fixedly connected with a separation block 810. By setting a spatula 811 and a separation block 810, when separating the hand-grabbed pancakes, the spatula 811 is at the bottom and the separation block 810 is at the top, so that the spatula 811 presses the hand-grabbed pancakes to prevent the upper hand-grabbed pancakes from continuing to contact the lower hand-grabbed pancakes after stacking. When the lower hand-grabbed pancakes move, they drive the upper hand-grabbed pancakes to push up, so that the separation block 810 further separates the stacked hand-grabbed pancakes.

[0042] The working principle of this embodiment is as follows: when the hand-grabbed pancake continues to move, the staff starts the second motor 804 to make the sliding block 805 slide on the second sliding rod 803 until it moves to the stack of the hand-grabbed pancakes of the previous detection mechanism 7 and stops. At this time, the lower end of the hand-grabbed pancake on the upper side will contact the scraper 811, and the separation block 810 will contact the upper end of the hand-grabbed pancake on the upper side. At this time, the hand-grabbed pancake at the bottom will continue to move, while the hand-grabbed pancake on the upper side will be restricted by the scraper 811, causing the hand-grabbed pancake at the upper end to rotate, thereby driving the separation block 810 to rotate upward, causing the separation block 810 to drive the pulling plate 809 to rotate on the inner wall of the arc groove 813, thereby driving the third spring 808 to compress. After the hand-grabbed pancake is separated, the hand-grabbed pancake at the upper end loses its driving force, and no longer pushes the separation block 810. At this time, the third spring 808 begins to rebound and then pushes the pulling plate 809 to reset, thereby driving the separation block 810 to reset and complete the work.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A return plate conveyor line for producing hand-grabbed pancakes, comprising two groups of baffles (3), the sides of the two groups of baffles (3) close to each other are rotatably connected to two groups of rolling wheels (5) through a rotating shaft, and the sides of the two groups of baffles (3) away from each other are respectively fixedly connected to support legs (1), a first motor (2) is installed on the left side of the baffle (3) located on the front side, the output end of the first motor (2) is fixedly connected to the rolling wheel (5) located on the left side, and the outer walls of the two groups of rolling wheels (5) are both sleeved with conveyor belts (4), characterized in that: Also includes: A turning mechanism (6); the turning mechanism (6) comprises two groups of first load-bearing rods (612), the two groups of the first load-bearing rods (612) are respectively fixedly connected to the baffle (3), the tops of the two groups of the first load-bearing rods (612) are fixedly connected to a first top plate (601), the middle end of the first top plate (601) is fixedly connected to a fixed block (602), and the bottom of the fixed block (602) is fixedly connected to a telescopic rod (603); A measuring mechanism (7), the measuring mechanism (7) comprising a limit block (701), a side of the limit block (701) away from the telescopic rod (603) being rotatably connected to a positioning block (702) via a rotating shaft, a spring rod (703) being fixedly connected to the bottom of the positioning block (702), and a curved plate (704) being fixedly connected to the bottom of the spring rod (703); A separation mechanism (8), the separation mechanism (8) comprising two groups of second load-bearing rods (801), the tops of the two groups of second load-bearing rods (801) are fixedly connected to a second top plate (802), the inner wall of the second top plate (802) is provided with a second slide bar (803), a second motor (804) is installed on the front of the second top plate (802), the output end of the second motor (804) is fixedly connected to the second slide bar (803), and the side of the second slide bar (803) away from the second motor (804) is rotatably connected to the inner wall of the second top plate (802) via a bearing.

2. The return conveyor line for hand-grabbed pancake production according to claim 1 is characterized by: The bottom of the telescopic rod (603) is fixedly connected to a contact plate (604), the front and back sides of the bottom of the contact plate (604) are fixedly connected to first springs (605), and the bottoms of the two groups of the first springs (605) are fixedly connected to a bottom plate (606).

3. The return conveyor line for hand-grabbed pancake production according to claim 2 is characterized by: The bottoms of the two groups of bottom plates (606) are fixedly connected with connecting rods (607), the outer walls of the connecting rods (607) are fixedly connected with rectangular blocks (609), and the inner walls of the rectangular blocks (609) are provided with two groups of first sliding rods (610).

4. The return conveyor line for hand-grabbed pancake production according to claim 3 is characterized by: The upper and lower ends of the two groups of the first sliding rods (610) are fixedly connected to the inner wall of the rectangular block (609); the outer walls of the two groups of the first sliding rods (610) are slidably connected to a curved plate (608); the bottom of the curved plate (608) is rotatably connected to a rotating block (611) via a rotating shaft; the curved plate (608) and the rectangular block (609), the first sliding rod (610), and the rotating block (611) are all arranged in three groups.

5. The return conveyor line for hand-grabbed pancake production according to claim 1 is characterized by: The arc-shaped plate (704) is slidably connected with moving blocks (705) on both sides thereof; two groups of moving blocks (705) are provided with rectangular grooves (706) on one side away from the limiting block (701); and second springs (707) are fixedly connected to the tops of the groove walls of the two groups of rectangular grooves (706).

6. A return conveyor line for producing hand-grabbed pancakes according to claim 5, characterized in that: The bottom of the two groups of the second springs (707) are fixedly connected with a pressing plate (708), the outer walls of the two groups of the pressing plates (708) are in contact with the inner walls of the rectangular groove (706) on all sides, and the sides of the two groups of the pressing plates (708) away from the moving block (705) are rotatably connected with a shaking plate (709) via a rotating shaft.

7. The return conveyor line for producing hand-grabbed pancakes according to claim 1 is characterized by: The outer wall of the second sliding rod (803) is slidably connected to a sliding block (805), and the bottom of the sliding block (805) is fixedly connected to two groups of suspension rods (806). The sides of the two groups of suspension rods (806) that are close to each other are rotatably connected to a rotating rod (807) via a rotating shaft, and the side of the rotating rod (807) that is away from the suspension rod (806) is fixedly connected to a scraper (811).

8. The return conveyor line for producing hand-pulled pancakes according to claim 7 is characterized by: Semicircular blocks (812) are fixedly connected to both the front and back sides of the scraper (811); arc-shaped grooves (813) are provided on the sides of the two groups of semicircular blocks (812) away from the scraper (811); third springs (808) are provided on the inner walls of the two groups of arc-shaped grooves (813); and the right ends of the two groups of third springs (808) are fixedly connected to the groove walls of the arc-shaped grooves (813).

9. A return conveyor line for producing hand-grabbed pancakes according to claim 8, characterized in that: The left sides of the two groups of third springs (808) are fixedly connected with a pulling plate (809), the sides of the two groups of pulling plates (809) close to each other are fixedly connected with a cross bar (814), and the outer wall of the cross bar (814) is fixedly connected with a separation block (810).

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